JetSaver
JetSaver
  • FlightsFlights
  • HotelsHotels
  • CarsCars
  • VacationsVacations
USDUSD
JetSaverclose
Economy

From
Select place
To
Select place

Travelers

Economy

USDUSD
  • FlightsFlights
  • HotelsHotels
  • CarsCars
  • VacationsVacations
  • ExploreExplore
  • BlogsBlogs
  • My BookingMy Booking
  • Help CenterHelp Center
    • Group BookingsGroup Bookings
    • JetSaversâ„¢Club
    • JetRewardsâ„¢

Company

About JetSaverJob/CareersNeed Help

Explore

Flight SearchHotel SearchCar SearchBlogs

JetSaver

Explore All

Partners

Our TechnologyAPIBecome a patner

What is JetSaver?

Discover the world effortlessly with JetSaver – your go-to for seamless flight and travel exploration. More than just a meta search engine, we're your dedicated travel companion, ensuring an unmatched user experience and exceptional customer service.

Become a Partner?
Expanding Travel Horizons Together
Partner with us
Cookie PolicyPrivacy PolicyTerms of ServiceCompany Details
ASTAARC
pay with visa cardpay with master card pay with american express SSL Secure ConnectionAffirmAmadeusAzure
© 2025 JetSaver, All rights reserved. v3.0.0
FacebookLinkedInTwitterInstagram
Logos and trademarks of respective airlines and travel agencies do not necessarily indicate our affiliation with them. We search and aggregate prices available on the web, through GDS platforms, and via direct and agreed integration with travel agencies. Our proprietary algorithm sorts prices to display the best available options.
heroPage

$121 Cheap Flights From Los Angeles to Dallas (LAX - DFW)

FlightsHotelsCarsVacations
Economy

From
Select place
To
Select place

Travelers

Economy

  1. Home
  2. Cheap Flights
  3. Flights to USA
  4. Los Angeles to Dallas flights

Los Angeles to Dallas Cheap flight tickets from $121

Looking for domestic flights from Los Angeles to Dallas? Flying to Dallas is now easy with JetSaver. You can find great flight deals from Los Angeles to Dallas starting at just $121 from 100+ online travel agencies and airlines. Compare Los Angeles to Dallas flight ticket fares by choosing date as per your preference. Book Los Angeles to Dallas flights with fares as low as $121—no extra charges or hidden costs . Check out LAX to DFW flight schedules and fares on JetSaver before booking to get the best airfares to Dallas.

LAX to DFW Flight Fares

Los Angeles to Dallas flights
5/29 Thu
Spirit Airlines
Non Stop
LAX - DFW
08:23 - 13:35
Dallas to Los Angeles flights
6/1 Sun
Spirit Airlines
Non Stop
DFW - LAX
06:00 - 07:13
$121
Los Angeles to Dallas flights
5/29 Thu
Frontier Airlines
Non Stop
LAX - DFW
08:33 - 13:53
Dallas to Los Angeles flights
6/1 Sun
Spirit Airlines
Non Stop
DFW - LAX
06:00 - 07:13
$128
Los Angeles to Dallas flights
10/17 Fri
American Airlines
Non Stop
LAX - DFW
07:45 - 12:47
$213
Los Angeles to Dallas flights
10/17 Fri
Alaska Airlines
1 stop
LAX - DFW
19:55 - 04:39
$221
Los Angeles to Dallas flights
10/17 Fri
United Airlines
1 stop
LAX - DFW
15:30 - 22:53
$261
Burbank to Dallas flights
10/17 Fri
Hawaiian Airlines
1 stop
BUR - DFW
10:05 - 19:37
$289

These are the top airlines

Spirit Airlines, Frontier Airlines, American Airlines, Alaska Airlines, United Airlines, Hawaiian Airlines

Flight deals from Los Angeles to Dallas

Flights between Los Angeles to Dallas are frequent, with several airlines offering direct and connecting services. JetSaver brings you all the relevant Los Angeles to Dallas flight information, from flight timings to airline details, ensuring hassle-free travel planning. Whether you’re looking for budget-friendly flights or premium services, there’s an option for every traveler. For travelers looking to book Los Angeles to Dallas flights, JetSaver provides a comprehensive comparison of flight options, ensuring the best deals for your journey.

  • LAX is the best airport to fly from Los Angeles
  • Flight duration from Los Angeles to Dallas is 05:12 hours
  • DFW is the best airport to reach Dallas
  • The cheapest airfare to reach from Los Angeles to Dallas is $121
  • Los Angeles is in USA and Dallas also belongs to United States of America, so you are flying inside the country only, no need of visa requirements to fly from Los Angeles to Dallas.
  • Spirit Airlines is offering the cheapest fare from LAX to DFW
  • The best time to visit U.S. domestic destinations is typically during the shoulder seasons—spring (April to June) and fall (September to November)—when the weather is pleasant and crowds are fewer

Both these cities offer comfortable traveling, and it can become an interesting experience to travel to these destinations for business or tourism. Dallas has magnificent and well-designed buildings, lovely parks, and vibrant markets in the city. This is a fascinating destination to visit, and one can be assured of an entertaining experience with good museums, themed restaurants, and exciting nightlife.

Book Los Angeles to Dallas flights with JetSaver

Book your Los Angeles to Dallas flights at the lowest prices with JetSaver’s unbeatable fares and exclusive deals. Our platform allows you to filter flight options based on airline, duration, departure, and arrival times, with both direct and layover flights available. Flights to Dallas from LAX start as low as $121, with a variety of flight options to choose from. The shortest flight duration is just 05:12 hours. For greater savings, be sure to book your return Dallas to Los Angeles flight through JetSaver!

Los Angeles to Dallas Flight fare comparison

Looking for cheap flights from Los Angeles to Dallas? Flight fare comparison for flights to Dallas from Los Angeles depends on the time of year, airline, and how far in advance you book your flight ticket. When looking for the best deals for your trip, consider different airlines and make your travel bookings as early as possible. Compare the flight fares among different airlines for economy, premium economy, and business class options. This helps you find a flight that suits both your budget and preferences.

Airline Economy (Low) Economy (Average) Economy (Peak) Premium Economy (Low) Premium Economy (Average) Premium Economy (Peak) Business Class (Low) Business Class (Average) Business Class (Peak)
American $150 $250 $350 $300 $450 $550 $800 $1,200 $1,500
Delta $160 $260 $360 $320 $480 $580 $820 $1,300 $1,600
United $170 $270 $370 $330 $490 $590 $830 $1,350 $1,650
Southwest $180 $280 $380 N/A N/A N/A N/A N/A N/A
Alaska $190 $290 $390 N/A N/A N/A N/A N/A N/A

Note:

  • Southwest and Alaska do not offer Premium Economy.
  • Prices are examples and may vary based on specific travel dates and availability.

LAX to DFW Flight duration and distance 

Are you worried about the duration and time taken to travel on flights from Los Angeles to Dallas? Flight duration and distance from LAX to DFW are crucial choice, particularly if you're planning a short trip. Below is some information regarding the approximate flight time and the distance for flights to Dallas from Los Angeles destinations.

Flight Type Average Flight Duration Approximate Air Distance
Non-stop 2 hours 30 minutes 1,200 miles
Connecting 4-6 hours 1,200 miles

Note: The average flight durations and air distances are approximate and can vary depending on factors such as airline, route, weather, and air traffic.

Los Angeles to Dallas Flight schedule and frequency

Generally, flights between Los Angeles and Dallas fluctuate with each season; therefore, it is always advisable to check the flight availability for your preferred dates. LAX to Dallas is one of the busiest routes where many passengers traveling daily are very high and so are the facilities provided to the travelers. When planning your travel from LAX to DFW, the time of departure should be convenient enough to suit your preferences. Many airlines often offer many flights during different times of the day including morning, afternoon, and evening. Here’s an outline of the major airlines servicing this route and the frequency of their flights:

Airline Morning Flight Times Afternoon Flight Times Evening Flight Times Weekly Frequency
American Airlines 6:00 AM, 7:00 AM, 8:00 AM 12:00 PM, 2:00 PM, 3:00 PM 5:00 PM, 6:00 PM, 7:00 PM Daily (24)
Delta Air Lines 6:30 AM, 8:30 AM 1:30 PM, 3:30 PM 5:30 PM, 7:30 PM Daily (24)
United Airlines 7:00 AM, 9:00 AM 12:30 PM, 2:30 PM 5:00 PM, 6:30 PM Daily (24)
Southwest Airlines 6:00 AM, 8:00 AM 12:00 PM, 2:30 PM 5:00 PM, 6:30 PM Daily (24)
Alaska Airlines 7:30 AM, 9:30 AM 1:00 PM, 3:00 PM 5:00 PM, 7:00 PM Daily (18)
Frontier Airlines 8:00 AM, 10:00 AM 2:00 PM, 4:00 PM 6:00 PM, 8:00 PM Daily (14)
Spirit Airlines 7:00 AM, 9:00 AM 1:00 PM, 3:00 PM 5:00 PM, 7:00 PM Daily (12)

Note:

  • The morning, afternoon, and evening flight times are approximate and may vary depending on the day of the week.
  • The weekly frequency is an approximate number and can change based on seasonal demand and other factors.
  • This table is for general reference only and should be verified with the airlines for the most up-to-date information.

Booking trends and prices from LAX to DFW flights 

Booking trends and prices from LAX to DFW are worth considering for cheap flights from Los Angeles to Dallas. Timing is very important when it comes to looking for the best airline to book when looking for a flight from LAX to Dallas. There are some off-peak months in the year, and the ticket costs will be cheap during these months. The best thing you can do when planning for a trip from LAX to DFW is to ensure that you book your tickets a month or two before the time of travel, By doing this you will be able to find the best deals available. It’s often cheaper to fly during the week than the weekend, and Tuesday or Wednesday usually offers the best flight prices. Here’s an overview of average monthly prices and some tips to help you book smarter:

Insight Description
Best Days to Book Tuesdays, Wednesdays, and Saturdays tend to offer cheaper flights.
Best Times to Book Early morning (around 5:00 AM) and late evening (around 10:00 PM) are often the cheapest times to book flights.
Peak Travel Periods Avoid booking during peak travel periods such as holidays, summer weekends, and major events.
Advance Booking Booking at least 21 days in advance can help secure better rates.
Last-Minute Deals Some airlines offer last-minute discounts; however, these are less common and not always reliable.
Flexibility in Travel Dates Being flexible with your travel dates can sometimes result in cheaper flights.
Airline Sales Keep an eye on airline sales and promotions which can significantly reduce prices.

Amenities and services from Los Angeles to Dallas 

There are several amenities provided by the different airlines that operate between Los Angeles and Dallas. Many airlines have additional services such as Wi-Fi on airplanes, electrical outlets, entertainment for flyers, and even free snacks and beverages. Comparing the amenities and services for flights from Los Angeles to Dallas across airlines can help you choose the one that best fits your preferences.

Airline Wi-Fi Availability Power Outlets Food Options Entertainment Services
American Airlines Available Available Snacks, Meals, Special Diets Live TV, Movies, Music
Delta Air Lines Available Available Snacks, Meals, Special Diets Live TV, Movies, Music, Games
Southwest Airlines Available Limited Snacks, Meals Live TV, Movies, Music
United Airlines Available Available Snacks, Meals, Special Diets Live TV, Movies, Music, Games
Spirit Airlines Not Available Limited Snacks Limited Entertainment

Note: Amenities can vary by flight and class of service. This table provides a general overview based on typical offerings.

Baggage policies and fees from Dallas from LAX Flights 

When planning a trip from Los Angeles to Dallas, knowing baggage policies and fees for flights from LAX to Dallas is crucial.In the case of carry-ons, the cost can vary depending on the airline and the class of service, while for checked baggage the policies may also vary greatly. Another factor one must compare while looking for flight ticket is baggage fees because if you are carrying multiple bags it can turn out to be very expensive.

Airline Cabin Baggage Allowance Checked Baggage Fees
American Airlines 1 carry-on (22" x 14" x 9"), 1 personal item (18" x 14" x 8") $30 for first checked bag, $40 for second, $100 for third and fourth
Delta Air Lines 1 carry-on (22" x 14" x 9"), 1 personal item (18" x 14" x 8") $30 for first checked bag, $40 for second, $100 for third and fourth
United Airlines 1 carry-on (22" x 14" x 9"), 1 personal item (18" x 14" x 8") $30 for first checked bag, $40 for second, $100 for third and fourth
Southwest Airlines 2 free checked bags, 1 free personal item No additional fee for first two checked bags
Spirit Airlines 1 personal item (18" x 14" x 8"), 1 carry-on (22" x 18" x 10") $35 for first checked bag, $45 for second, $65 for third and fourth

Note: Policies are subject to change and may vary based on fare class or membership status. Always check with the airline for the most up-to-date information.

Attractions in Dallas

There are many excellent attractions in Dallas to match your expectations when it comes to size and impact. You'll want these suggestions to help you in choosing the best locations for your vacation because there is so much to see. Some of the best attractions are here for your reference, which you should not miss as a visitor to this place.

  • The Dallas Arboretum and Botanical Garden
  • Dallas Museum of Art
  • Klyde Warren Park
  • Reunion Tower
  • Perot Museum of Nature and Science
  • The Sixth Floor Museum at Dealey Plaza

What to pack during travel to Dallas?

Uncertain about what to bring to Dallas? The focus in the city is on statement pieces, but you should also pack a few basics for everyday life. You'll be prepared if you remember to include these items in your suitcase. Dallas enjoys different seasons all year round, based on when you're going, your packing list can change. Start with the basics, such as your charger, first aid kit, and toothbrush, and think about what you won't need to avoid overpacking at the last minute.

Budgeting flights to Dallas

When preparing for a vacation, it is common to concentrate on the most important expenses, such as airfare and accommodation. In reality, you can end up spending a lot more than you think when you add up all the small prices. Use tools like JetSaver to get the best airfares from trustworthy airlines so that you can plan the budget for your travel expenses. If you want to get an even more cheap flight ticket, then travel during the weekdays or in off-peak times. You should put up fare notifications so you can be notified of any sudden decreases in ticket costs. If you prepare in advance, you can travel to the interesting city of Dallas for a much lower price.


Frequently asked questions about from Los Angeles to Dallas?

1. Which is best airport to choose while traveling to Dallas from Los Angeles LAX airport?

To reach early to the city center in Dallas, you can consider booking flight tickets from LAX to DFW airport while booking your flight tickets to Dallas from Los Angeles.

2. How can I find the Los Angeles to Dallas last-minute flights?

Finding last minute flights from Los Angeles to Dallas is easy but it mostly have high ticket fare as it completely depends on availability & demand. To get low fare tickets from Los Angeles to Dallas you need to plan as early as possible.

3. Are there business class flights from LAX to DFW?

Yes, almost every airline will have business class while traveling from LAX to DFW. To book business class tickets from Los Angeles to Dallas, you need filter the results with travel class as business and book the suitable from the results.

4. How can I book a direct flight from LAX to DFW?

Yes, there will be direct flights operating from Los Angeles to Dallas every week. But availability is depends on the demand, plan early to book direct flight tickets.

5. What is the best time to find Los Angeles to Dallas affordable flights?

The best time to find affordable & low cost flight tickets is during weekdays and off-peak seasons. Usually, ticket prices will be comparatively lower than peak seasons making it easy to find low cost flights.

6. How long does it take to fly from Los Angeles to Dallas?

The flight duration from Los Angeles (LAX) to Dallas (DFW) is approximately 05:12 hours. However, actual times may vary depending on weather conditions and the specific flight route.

7. What is the cheapest time to fly from LAX to DFW?

The cheapest time to book flights from LAX to Dallas is during weekdays and off-peak travel periods. Use JetSaver to compare fares and get the best deals.

8. What is the cheapest airfare to travel from Los Angeles to Dallas?

The cheapest fare from Los Angeles to Dallas begins at just $121. This affordable option allows travelers to have a great travel, which makes it a popular choice for short journeys.

9. Which airline offers the lowest fare for flights from Los Angeles to Dallas?

The lowest fare is just $121 on a Spirit Airlines flight. Spirit Airlines is one of the best airlines that provides budget-friendly travel options to match your travel requirements.

10. How early should I arrive at the airport before departure?

For domestic flights, it's advised to arrive at the airport at least 2 hours before departure, while for international flights, 3 hours is ideal. This makes sure that the boarding process is stress-free by allowing time for check-in, security screening, and any delays.

11. What are the options for nonstop flights from Los Angeles to Dallas?

Multiple airlines offer nonstop flights from Los Angeles to Dallas, providing frequent daily departures. To find the best fares, compare prices on Jetsaver and book in advance for the best deals.

Popular flight routes to Los Angeles

  • Flights from Detroit to Los Angeles
  • Flights from Madison to Los Angeles
  • Flights from Akron Canton to Los Angeles
  • Flights from Dayton to Los Angeles
  • Flights from Sacramento to Los Angeles
  • Flights from Kansas City to Los Angeles
  • Flights from Birmingham to Los Angeles
  • Flights from Hartford to Los Angeles
  • Flights from Little Rock to Los Angeles
  • Flights from Columbia to Los Angeles
  • Flights from Tucson to Los Angeles
  • Flights from Providence to Los Angeles
  • Flights from Greensboro to Los Angeles
  • Flights from Rochester to Los Angeles
  • Flights from Lubbock to Los Angeles
  • Flights from Boise to Los Angeles
  • Flights from Fayetteville to Los Angeles
  • Flights from Spokane to Los Angeles
  • Flights from Allentown to Los Angeles
  • Flights from Abilene to Los Angeles
  • Flights from Abilene to Los Angeles
  • Flights from Ambler to Los Angeles
  • Flights from Aberdeen to Los Angeles
  • Flights from Bellaire to Los Angeles
  • Flights from Nantucket to Los Angeles
  • Flights from Waco to Los Angeles
  • Flights from Eureka to Los Angeles
  • Flights from Los Angeles to San Jose
  • Flights from Los Angeles to Richmond
  • Flights from Los Angeles to Reno
  • Flights from Los Angeles to Salt Lake City
  • Flights from Los Angeles to Syracuse
  • Flights from Los Angeles to Trenton
  • Flights from Los Angeles to Baltimore
  • Flights from Los Angeles to Dulles

Popular Routes from Dallas

  • Flights from Dallas to Kansas City
  • Flights from Dallas to Cincinnati
  • Flights from Dallas to Sacramento
  • Flights from Dallas to Raleigh
  • Flights from Dallas to Baltimore
  • Flights from Dallas to Salt Lake City
  • Flights from Dallas to San Antonio
  • Flights from Dallas to Milwaukee
  • Flights from Dallas to Omaha
  • Flights from Dallas to Des Moines
  • Flights from Dallas to Spokane
  • Flights from Dallas to Providence
  • Flights from Dallas to Hartford
  • Flights from Dallas to Adrian
  • Flights from Dallas to Ardmore
  • Flights from Dallas to Andrews
  • Flights from Dallas to Ada OK
  • Flights from Dallas to Aleneva
  • Flights from Dallas to Allakaket
  • Flights from Dallas to Alexandria
  • Flights from Dallas to Jaffrey
  • Flights from Dallas to Afton
  • Flights from Dallas to Angoon
  • Flights from Dallas to Magnolia
  • Flights from Dallas to Augusta
  • Flights from Dallas to Herlong
  • Flights from Dallas to Arapahoe

Flights to popular cities in USA

Flights to New York

New York

Flights to Miami

Miami

Flights to San Francisco

San Francisco

Flights to Dallas

Dallas

Flights to Orlando

Orlando

Flights to Los Angeles

Los Angeles

Flights to Chicago

Chicago

Flights to Atlanta

Atlanta

Flights to Houston

Houston

Flights to Denver

Denver

Flights to Pittsburgh

Pittsburgh

Flights to Baltimore

Baltimore

Flights to Phoenix

Phoenix

Flights to Seattle

Seattle

Flights to Las Vegas

Las Vegas

Flights to Boston

Boston

Flights to New Orleans

New Orleans

Flights to Newark

Newark

Popular airlines for domestic flight booking

  • American Airlines booking
  • United Airlines booking
  • Delta Airlines booking
  • Spirit Airlines booking
  • jetBlue Airways booking
  • Frontier Airlines booking
  • Hawaiian Airlines booking
  • Breeze Airways booking

Popular Airlines from Los Angeles to Dallas

  • Spirit Airlines booking
  • Delta Airlines booking
  • Jetblue Airways booking
  • American Airlines booking
  • Alaska Airlines booking
  • Sun Country Airlines booking
  • Frontier Airlines booking
  • United Airlines booking
  • Hawaiian Airlines booking
  • Southwest Airlines booking

Popular Routes to Dallas

  • Los Angeles to Dallas flights
  • San Francisco to Dallas flights
  • Boston to Dallas flights
  • Richmond to Dallas flights
  • St Louis to Dallas flights
  • Indianapolis to Dallas flights
  • Portland to Dallas flights
  • Las Vegas to Dallas flights
  • Salt Lake City to Dallas flights
  • Newark to Dallas flights
  • Milwaukee to Dallas flights

Popular Routes from Los Angeles

  • Los Angeles to Las Vegas flights
  • Los Angeles to Seattle flights
  • Los Angeles to Miami flights
  • Los Angeles to Dallas flights
  • Los Angeles to New York flights
  • Los Angeles to Newark flights
  • Los Angeles to New Orleans flights
  • Los Angeles to Denver flights
  • Los Angeles to Atlanta flights
  • Los Angeles to Honolulu flights
  • Los Angeles to Phoenix flights

Popular Cities

  • Flights to Atlanta
  • Flights to Boston
  • Flights to Denver
  • Flights to Dallas
  • Flights to Newark
  • Flights to Honolulu
  • Flights to Indianapolis
  • Flights to Las Vegas
  • Flights to Los Angeles
  • Flights to Miami
Popular Destinations
Popular Destinations For You

Popular Airlines

Popular Cities

Popular Countries

Popular Flight Routes

Popular Airlines Routes

Spirit Airlines bookingAllegiant Airlines bookingViva Aerobus bookingAir Canada bookingSun Country Airlines bookingAero Mexico Airlines bookingAir India bookingWestJet Airlines bookingEmirates Airlines bookingVolaris Airlines bookingAvianca Airlines bookingEtihad Airways bookingLATAM Airlines bookingBritish Airways bookingNorse Atlantic bookingeasyJet bookingAmerican Airlines bookingUnited Airlines bookingDelta Air Lines bookingJetBlue booking
Flights to New YorkFlights to Los AngelesFlights to ChicagoFlights to MiamiFlights to Las VegasFlights to OrlandoFlights to AtlantaFlights to San FranciscoFlights to Washington DCFlights to BostonFlights to DallasFlights to SeattleFlights to ParisFlights to DenverFlights to TorontoFlights to IstanbulFlights to MilanFlights to LondonFlights to CancunFlights to Mexico City
Flights to FranceFlights to SpainFlights to CroatiaFlights to TurkeyFlights to ItalyFlights to MexicoFlights to United KingdomFlights to GermanyFlights to CanadaFlights to USAFlights to Hong KongFlights to JapanFlights to South KoreaFlights to IndonesiaFlights to ChinaFlights to IndiaFlights to MalaysiaFlights to ThailandFlights to VietnamFlights to Macao
Los Angeles to Las Vegas flightsAtlanta to Fort Lauderdale flightsSeattle to Miami flightsBaltimore to Fort Lauderdale flightsSan Francisco to Las Vegas flightsDallas to Los Angeles flightsDallas to Las Vegas flightsBoston to Cancun flightsDenver to Baltimore flightsFort Lauderdale to Atlanta flightsTampa to Seattle flightsSeattle to Las Vegas flightsFort Lauderdale to Seattle flightsBaltimore to Atlanta flightsDenver to Las Vegas flightsAtlanta to Los Angeles flightsFort Lauderdale to Punta Cana flightsAtlanta to Punta Cana flightsLos Angeles to Dallas flightsBaltimore to Los Angeles flights
Spirit Airlines Los Angeles to Las Vegas flightsSpirit Airlines Atlanta to Fort Lauderdale flightsSpirit Airlines Dallas To Los Angeles flightsSpirit Airlines Oakland To Las Vegas flightsJetblue Airways New York to Los Angeles flightsJetblue Airways Boston to Fort Lauderdale flightsJetblue Airways New York to San Francisco flightsJetblue Airways Boston to Las Vegas flightsAir India Airlines New York to Delhi flightsAir India Airlines San Francisco to Bangalore flightsAir India Airlines Chicago to Delhi flightsAir India Airlines Newark to Mumbai flightsFrontier Airlines Denver to Las Vegas flightsFrontier Airlines Miami to Atlanta flightsFrontier Airlines Denver to Phoenix flightsFrontier Airlines Las Vegas to San Francisco flightsWestjet Airlines Los Angeles to Cancun flightsWestjet Airlines Las Vegas to Puerto Vallarta flightsWestjet Airlines San Diego to Mexico City flightsWestjet Airlines Denver to Cancun City flights