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Washington, D.C.

$84+ Cheap flights from Salt Lake City (SLC) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — WAS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Salt Lake City to Washington, D.C. are usually found in July or September, booked 59 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap flight deals from Salt Lake City to Washington, D.C.

Cheapest flights from Salt Lake City to Washington, D.C.
Explore the most affordable flight options available from Salt Lake City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:20 amSLC - DCA
1 stop27h 41mFrontier
Mon 1/58:00 amDCA - SLC
1 stop18h 07mFrontier
Deal found 12/16$268
This CheapOair deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:33 pmSLC - DCA
1 stop13h 28mFrontier
Sun 1/48:00 amDCA - SLC
1 stop26h 12mFrontier
Deal found 12/15$269
This Trip.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:00 amSLC - BWI
1 stop6h 49mMultiple Airlines
Tue 1/69:34 amBWI - SLC
1 stop10h 45mMultiple Airlines
Deal found 12/15$272
This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:58 pmSLC - DCA
1 stop14h 03mFrontier
Thu 1/18:00 amDCA - SLC
1 stop18h 07mFrontier
Deal found 12/16$283
This CheapOair deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:58 pmSLC - DCA
1 stop23h 01mFrontier
Fri 1/28:00 amDCA - SLC
1 stop26h 12mFrontier
Deal found 12/17$284
This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:00 amSLC - BWI
1 stop6h 49mFrontier
Tue 12/308:50 pmBWI - SLC
1 stop14h 15mFrontier
Deal found 12/16$285
This CheapOair deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:58 pmSLC - DCA
1 stop14h 03mFrontier
Sun 1/48:00 amDCA - SLC
1 stop26h 12mFrontier
Deal found 12/14$303
This CheapOair deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:07 pmSLC - DCA
1 stop22h 52mFrontier
Thu 1/18:00 amDCA - SLC
1 stop18h 07mFrontier
Deal found 12/17$305
This Expedia deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:33 pmSLC - DCA
1 stop21h 26mFrontier
Mon 1/58:00 amDCA - SLC
1 stop18h 07mFrontier
Deal found 12/14$312
This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:58 pmSLC - DCA
1 stop14h 03mFrontier
Tue 12/308:00 amDCA - SLC
1 stop26h 12mFrontier
Deal found 12/16$313
This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:58 pmSLC - DCA
1 stop14h 03mFrontier
Sun 1/48:00 amDCA - SLC
1 stop26h 12mFrontier
Deal found 12/16$318
This Trip.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:58 pmSLC - DCA
1 stop14h 03mFrontier
Tue 1/62:00 pmDCA - SLC
1 stop11h 21mFrontier
Deal found 12/15$322

Find flight deals from Salt Lake City to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$200
(Kiwi.com)

One-way from

$84
(Trip.com)

Popular in

March

Cheapest in

July

Average price

$445

Good round-trip deal

$369 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Salt Lake City-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Washington, D.C. (WAS) flights.
Search Deals
From Salt Lake City to Washington, D.C. (WAS)
Search Deals
One-way flight from Salt Lake City to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Salt Lake City to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Salt Lake City to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Salt Lake City to Washington, D.C. that are best for you.

Fly from

Salt Lake City

Fly to

Washington, D.C.

Route

Depart

Return

Price

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 1/15

5:55 pm-11:48 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Sun 1/18

7:05 am-10:02 am

Nonstop4h 57m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Fri 1/30

10:05 am-3:59 pm

Nonstop3h 54m

Washington, D.C. Dulles Intl

Sat 1/31

5:44 pm-8:46 pm

Nonstop5h 02m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 1/7

5:55 pm-11:48 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Mon 1/12

7:05 am-10:02 am

Nonstop4h 57m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 2/26

5:55 pm-11:46 pm

Nonstop3h 51m

Washington, D.C. Dulles Intl

Mon 3/2

7:05 am-10:02 am

Nonstop4h 57m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 2/5

5:55 pm-11:48 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Mon 2/9

7:05 am-10:02 am

Nonstop4h 57m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Wed 1/14

5:55 pm-11:48 pm

Nonstop3h 53m

Washington, D.C. Dulles Intl

Wed 1/21

7:05 am-10:02 am

Nonstop4h 57m

$269

Salt Lake CityWashington, D.C.

SLC - IAD

SLCIAD

Salt Lake City

Thu 2/19

5:55 pm-11:46 pm

Nonstop3h 51m

Washington, D.C. Dulles Intl

Sun 2/22

7:05 am-10:02 am

Nonstop4h 57m

$269

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Thu 1/8

9:55 am-4:00 pm

Nonstop4h 05m

Washington, D.C. Reagan-National

Sat 1/17

5:10 pm-8:12 pm

Nonstop5h 02m

$269

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Thu 1/29

9:55 am-4:00 pm

Nonstop4h 05m

Washington, D.C. Reagan-National

Mon 2/2

5:10 pm-8:12 pm

Nonstop5h 02m

$269

Salt Lake CityWashington, D.C.

SLC - DCA

SLCDCA

Salt Lake City

Fri 1/23

9:55 am-4:00 pm

Nonstop4h 05m

Washington, D.C. Reagan-National

Mon 2/2

5:10 pm-8:12 pm

Nonstop5h 02m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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Compare providers for flights from Salt Lake City to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to Washington, D.C. in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Salt Lake City-Washington, D.C. flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Salt Lake City-Washington, D.C. flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Salt Lake City-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Salt Lake City-Washington, D.C. flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Salt Lake City to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Salt Lake City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Salt Lake City to Washington, D.C.

How far ahead should I book a flight from Salt Lake City to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to Washington, D.C.. Price data was last updated on December 12, 2025.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Salt Lake City to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Salt Lake City to Washington, D.C.?

Currently, April is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. (average of $127). Flying from Salt Lake City to Washington, D.C. in June is currently the most expensive (average of $252). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SLC to WAS?

Find hourly flight availability from Salt Lake City to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Salt Lake City to Washington, D.C. at noon. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Salt Lake City to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Washington, D.C.. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Salt Lake City to Washington, D.C. flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Salt Lake City to Washington, D.C.

Explore weekly flight availability from Salt Lake City to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2025.

The most flights from SLC to WAS are scheduled on a Thursday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

The best insider tips for Salt Lake City to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Salt Lake City to Washington, D.C. trip
Airports
SLC

Check in at SLC's main terminal before heading through the expanded security checkpoint. Enjoy local dining options like craft beer and tacos at The Plaza.

Read more about SLCBy Ramsey Qubein
IAD

Use the Washington Metro Silver line for a cost-effective trip to Dulles, taking less than 40 minutes to reach the airport from the city.

Read more about IADBy Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SLC and IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated December 18, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Salt Lake City to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Overall

7.9

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Salt Lake City to Washington, D.C.?

    If you book a flight to Washington, D.C. from Salt Lake City, you will be flying from Salt Lake City, which is the city’s only airport. Salt Lake City (SLC) is located 5.7 mi from the center of Salt Lake City. There are 2 flights from Salt Lake City to Washington, D.C. per day from 5 different airlines.

  • How long is the flight from Salt Lake City to Washington, D.C.?

    For as low as $269, Delta can have you in Washington, D.C. from Salt Lake City in 3h 53m. There are 1823 mi between Salt Lake City and Washington, D.C.. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Salt Lake City to Washington, D.C. round-trip?

    Flying on Frontier is currently your cheapest option to Washington, D.C., with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at $217 and $269, respectively. Users have found that Frontier is 65% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Salt Lake City to Washington, D.C. one-way?

    $89 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $144 and $156, respectively.

  • What are the most popular routes from Salt Lake City to Washington, D.C.?

    When deciding which route to take from Salt Lake City to Washington, D.C. consider Salt Lake City - Washington, D.C. Reagan-National, Salt Lake City - Baltimore/Washington or Salt Lake City - Washington, D.C. Dulles Intl as they are the most popular.

  • What are the most reliable airlines from Salt Lake City to Washington, D.C.?

    Consider Korean Air (94%), United Airlines (92%) or Lufthansa (92%) when booking your flight. These represent the most reliable airlines when flying from Salt Lake City to Washington, D.C..

  • What are the cheapest flights from Salt Lake City to Washington, D.C.?

    Looking for the cheapest flight from Salt Lake City to Washington, D.C.? While on average our users pay $472, our data indicates the cheapest price to be $159. The most popular route (Salt Lake City - Washington, D.C. Reagan-National), is priced around $165.

  • Can I find deals for flights from Salt Lake City to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Salt Lake City to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Salt Lake City to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to Washington, D.C..

  • Can I find deals for business class flights from Salt Lake City to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Salt Lake City to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Salt Lake City to Washington, D.C.?

    Currently, April is the cheapest month in which you can book a flight from Salt Lake City to Washington, D.C. (average of $127). Flying from Salt Lake City to Washington, D.C. in June is currently the most expensive (average of $252). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Salt Lake City to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Salt Lake City to Dulles Intl flights
Salt Lake City to Reagan-National flights
Saint George to Dulles Intl flights
Saint George to Reagan-National flights
Vernal to Dulles Intl flights

Top 5 airlines flying from Salt Lake City to Washington, D.C.

Discover the top 5 airlines that operate flights from Salt Lake City to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$239FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$217Average$420FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$269Average$447FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$463FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$442FlexibilityNo cancel feeOn-time71%

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