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Sky Harbor Intl

$87+ Cheap flights from Washington, D.C. (WAS) to Sky Harbor Intl (PHX)

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PHX
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Phoenix Sky Harbor Intl are usually found in January or July, booked 30 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Washington, D.C. to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Sky Harbor Intl (PHX). 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 June 18, 2025.

Round-trip from

$239
(Southwest)

One-way from

$87
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$438

Good round-trip deal

$299 or less

Good one-way deal

$149 or less
From Washington, D.C. (WAS) to Phoenix Sky Harbor Intl
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One-way flight from Washington, D.C. (WAS) to Phoenix Sky Harbor Intl
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Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Phoenix Sky Harbor Intl.
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Find flight deals from Washington, D.C. to Sky Harbor Intl

Cheapest flights from Washington, D.C. to Sky Harbor Intl
Explore the most affordable flight options available from Washington, D.C. to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:35 pmIAD - PHX
Nonstop4h 50mSouthwest
Sun 8/312:10 pmPHX - IAD
Nonstop4h 15mSouthwest
Deal found 6/16$239
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:30 pmDCA - PHX
Nonstop4h 52mAmerican Airlines
Wed 8/2011:29 pmPHX - DCA
Nonstop4h 31mAmerican Airlines
Deal found 6/15$239
This Expedia deal was found by Cheapflights users on 6/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/17:30 amIAD - PHX
1 stop13h 54mMultiple Airlines
Sun 8/316:00 amPHX - IAD
1 stop7h 47mMultiple Airlines
Deal found 6/16$240
This Booking.com deal was found by Cheapflights users on 6/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/42:50 pmBWI - PHX
1 stop10h 44mMultiple Airlines
Wed 8/66:15 pmPHX - BWI
1 stop12h 38mMultiple Airlines
Deal found 6/15$246
This FlightHub deal was found by Cheapflights users on 6/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/210:11 pmBWI - PHX
1 stop27h 23mSpirit Airlines
Fri 8/811:49 pmPHX - BWI
1 stop28h 50mSpirit Airlines
Deal found 6/16$247
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/216:00 pmDCA - PHX
1 stop7h 38mFrontier
Sat 6/287:18 amPHX - DCA
1 stop6h 39mFrontier
Deal found 6/16$247
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:26 pmIAD - PHX
Nonstop4h 49mUnited Airlines
Sat 8/238:55 amPHX - IAD
1 stop7h 18mUnited Airlines
Deal found 6/17$249
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:30 amDCA - PHX
1 stop7h 09mUnited Airlines
Sat 10/2510:45 amPHX - DCA
1 stop7h 06mUnited Airlines
Deal found 6/15$254
This Sun Country Air deal was found by Cheapflights users on 6/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1412:46 pmIAD - PHX
1 stop24h 22mSun Country Air
Sun 7/2011:57 pmPHX - IAD
1 stop8h 46mSun Country Air
Deal found 6/16$255
This JetBlue deal was found by Cheapflights users on 6/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:59 amDCA - PHX
1 stop8h 51mJetBlue
Mon 11/310:10 pmPHX - DCA
1 stop7h 36mJetBlue
Deal found 6/18$255
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:00 amIAD - PHX
1 stop11h 10mAlaska Airlines
Tue 9/231:54 pmPHX - IAD
1 stop14h 38mAlaska Airlines
Deal found 6/18$258
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:59 amDCA - PHX
1 stop8h 19mAlaska Airlines
Sat 8/2311:28 amPHX - DCA
1 stop7h 31mAlaska Airlines
Deal found 6/16$258

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. to Sky Harbor Intl 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 June 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 7/1

5:35 pm-7:25 pm

Nonstop4h 50m

Phoenix Sky Harbor Intl

Sun 8/31

2:10 pm-9:25 pm

Nonstop4h 15m

$239

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Sat 8/16

5:30 pm-7:22 pm

Nonstop4h 52m

Phoenix Sky Harbor Intl

Wed 8/20

11:29 pm-7:00 am

Nonstop4h 31m

$239

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 7/1

7:30 am-6:24 pm

1 stop13h 54m

Phoenix Sky Harbor Intl

Sun 8/31

6:00 am-4:47 pm

1 stop7h 47m

$240

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Mon 8/4

2:50 pm-10:34 pm

1 stop10h 44m

Phoenix Sky Harbor Intl

Wed 8/6

6:15 pm-9:53 am

1 stop12h 38m

$246

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Sat 8/2

10:11 pm-10:34 pm

1 stop27h 23m

Phoenix Sky Harbor Intl

Fri 8/8

11:49 pm-7:39 am

1 stop28h 50m

$247

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Sat 6/21

6:00 pm-10:38 pm

1 stop7h 38m

Phoenix Sky Harbor Intl

Sat 6/28

7:18 am-4:57 pm

1 stop6h 39m

$247

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 8/20

5:26 pm-7:15 pm

Nonstop4h 49m

Phoenix Sky Harbor Intl

Sat 8/23

8:55 am-7:13 pm

1 stop7h 18m

$249

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 7/14

12:46 pm-10:08 am

1 stop24h 22m

Phoenix Sky Harbor Intl

Sun 7/20

11:57 pm-11:43 am

1 stop8h 46m

$255

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 9/16

9:00 am-5:10 pm

1 stop11h 10m

Phoenix Sky Harbor Intl

Tue 9/23

1:54 pm-7:32 am

1 stop14h 38m

$258

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 8/20

9:59 am-3:18 pm

1 stop8h 19m

Phoenix Sky Harbor Intl

Sat 8/23

11:28 am-9:59 pm

1 stop7h 31m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 51 results
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The best insider tips for Washington, D.C. to Phoenix Sky Harbor Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Phoenix Sky Harbor Intl Airport trip
Airports
IAD

For quick check-in at IAD, locate your airline’s counter by walking around the first row if not visible initially.

Read more about IADby Ramsey Qubein
PHX

For a quick ride to downtown Phoenix, taxis offer a flat rate and are generally faster than public transport.

Read more about PHXby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on 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

Best time to book a flight from Washington, D.C. to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Washington, D.C. 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 Washington, D.C. to Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Sky Harbor Intl. Price data was last updated on June 13, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 WAS to PHX?

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

Unlike in the evening, when flights are generally more expensive, you can save up to 35% on flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport by exploring options for tickets at noon.

What is the cheapest day to fly from Washington, D.C. to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Sky Harbor Intl. Price data was last updated on June 15, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Phoenix Sky Harbor Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Washington, D.C. to Sky Harbor Intl. 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 June 18, 2025.

The most flights from WAS to PHX are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated June 18, 2025.
See what other customers who have flown with Breeze Airways, Alaska Airlines and Southwest from Washington, D.C. to Phoenix have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Overall

8.1

Crew

8.8

Entertainment

6.6

Comfort

8.2

Food

6.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
182 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Overall

8.1

Crew

8.8

Entertainment

6.6

Comfort

8.2

Food

6.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Alaska Airlines
8.0
Very good
10,000 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Overall

8.1

Crew

8.8

Entertainment

6.6

Comfort

8.2

Food

6.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,280 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Overall

8.1

Crew

8.8

Entertainment

6.6

Comfort

8.2

Food

6.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,964 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Overall

8.1

Crew

8.8

Entertainment

6.6

Comfort

8.2

Food

6.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Hawaiian Airlines
7.8
Good
2,507 reviews
Breeze Airways
8.1
Very good
182 reviews

Boarding

8.4

Overall

8.1

Crew

8.8

Entertainment

6.6

Comfort

8.2

Food

6.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

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

  • What are the cheapest airlines flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport round-trip?

    Southwest, at $239, was found to be the cheapest airline from Washington, D.C. to Phoenix Sky Harbor Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Spirit Airlines. Southwest is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Phoenix Sky Harbor Intl Airport one-way?

    One-way options have recently been found by users for as low as $87 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $100 and Hawaiian Airlines from $124 one-way.

  • What are the most popular routes from Washington, D.C. to Phoenix Sky Harbor Intl Airport?

    The most popular route from Washington, D.C. to Phoenix Sky Harbor Intl Airport is Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl. You may also consider Baltimore/Washington - Phoenix Sky Harbor Intl or Washington, D.C. Reagan-National - Phoenix Sky Harbor Intl.

  • What are the most reliable airlines from Washington, D.C. to Phoenix Sky Harbor Intl Airport?

    The top 3 most reliable airlines when flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport are Avianca (92%), United Airlines (80%) and Austrian Airlines (75%).

  • What are the cheapest flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport?

    Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl) can be booked for $239 on average our data indicates $734 when flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport.

  • Can I find deals for flights from Washington, D.C. to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Washington, D.C. to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Sky Harbor Intl 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 Washington, D.C. to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport (average of $258). Flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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.?

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Chandler
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Buckeye
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Alternative routes for Washington, D.C. to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Sky Harbor Intl flights
Reagan-National to Sky Harbor Intl flights

Top 7 airlines flying from Washington, D.C. to Sky Harbor Intl

Discover the top 7 airlines that operate flights from Washington, D.C. to Sky Harbor Intl. 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$212FlexibilityNo cancel feeOn-time65%
FrontierCheapest$133Average$242FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$318FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$166Average$412FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$253Average$410FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$378FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$283Average$430FlexibilityNo cancel feeOn-time63%

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