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Cancún

$133+ Cheap flights from Dulles Intl (IAD) to Cancún (CUN)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUN
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Find cheap flights from Dulles Intl to Cancún with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Cancun are usually found in September or January, booked 29 days in advance, depart on a Monday or Sunday and return on a Saturday

Cheap flight deals from Dulles Intl to Cancún

Cheapest flights from Dulles Intl to Cancún
Explore the most affordable flight options available from Dulles Intl to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:29 am
IAD
-
CUN
1 stop22h 22m
Frontier
Thu 3/510:01 am
CUN
-
IAD
1 stop6h 42m
Frontier
Deal found 1/19$283
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2110:29 am
IAD
-
CUN
1 stop22h 22m
Frontier
Fri 2/272:47 pm
CUN
-
IAD
1 stop18h 47m
Frontier
Deal found 1/18$287
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:22 am
IAD
-
CUN
1 stop26h 15m
Frontier
Thu 2/2610:01 am
CUN
-
IAD
1 stop6h 42m
Frontier
Deal found 1/20$291
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:29 am
IAD
-
CUN
1 stop22h 22m
Multiple Airlines
Wed 3/410:13 am
CUN
-
IAD
1 stop23h 12m
Multiple Airlines
Deal found 1/19$297
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:09 am
IAD
-
CUN
1 stop23h 52m
Frontier
Tue 3/104:09 pm
CUN
-
IAD
1 stop7h 22m
Frontier
Deal found 1/18$298
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/89:18 am
IAD
-
CUN
1 stop23h 55m
Multiple Airlines
Thu 2/1210:01 am
CUN
-
IAD
1 stop6h 42m
Multiple Airlines
Deal found 1/19$299
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/93:58 pm
IAD
-
CUN
2 stops33h 38m
Multiple Airlines
Thu 2/1910:01 am
CUN
-
IAD
1 stop6h 42m
Multiple Airlines
Deal found 1/19$300
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:10 am
IAD
-
CUN
1 stop23h 08m
Multiple Airlines
Fri 3/65:09 pm
CUN
-
IAD
1 stop7h 22m
Multiple Airlines
Deal found 1/20$302
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:43 am
IAD
-
CUN
1 stop21h 18m
Multiple Airlines
Wed 2/2510:13 am
CUN
-
IAD
1 stop23h 12m
Multiple Airlines
Deal found 1/18$303
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:18 am
IAD
-
CUN
1 stop23h 55m
Multiple Airlines
Thu 2/510:13 am
CUN
-
IAD
1 stop22h 27m
Multiple Airlines
Deal found 1/19$304
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:58 pm
IAD
-
CUN
2 stops18h 20m
Multiple Airlines
Fri 2/272:47 pm
CUN
-
IAD
1 stop18h 47m
Multiple Airlines
Deal found 1/19$306
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:10 am
IAD
-
CUN
1 stop23h 08m
Multiple Airlines
Wed 3/410:13 am
CUN
-
IAD
1 stop23h 12m
Multiple Airlines
Deal found 1/19$307

Find flight deals from Dulles Intl to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Cancún (CUN). 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 January 20, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$283
(Kiwi.com)

One-way from

$133
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$555

Good round-trip deal

$533 or less

Good one-way deal

$186 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Cancun flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Cancun flights.
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From Washington, D.C. Dulles Intl to Cancun
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Cancun
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Cancun.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Cancun.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Cancún 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 January 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cancún that are best for you.

Fly from

Dulles Intl

Fly to

Cancún

Route

Depart

Return

Price

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 4/15

10:16 am-8:03 pm

1 stop10h 47m

Cancun

Tue 4/21

8:05 am-8:46 pm

2 stops11h 41m

$432

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Mon 2/16

6:00 am-9:11 pm

1 stop15h 11m

Cancun

Wed 2/25

6:01 am-1:45 pm

1 stop7h 44m

$442

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 2/21

5:25 pm-11:50 am

2 stops18h 25m

Cancun

Wed 2/25

6:01 am-1:45 pm

1 stop7h 44m

$446

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 2/28

12:46 pm-4:40 pm

Nonstop3h 54m

Cancun

Tue 3/3

5:09 pm-8:29 pm

Nonstop3h 20m

$498

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 2/20

6:00 am-6:47 pm

2 stops12h 47m

Cancun

Wed 2/25

6:01 am-1:45 pm

1 stop7h 44m

$499

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 2/25

6:00 am-6:47 pm

2 stops12h 47m

Cancun

Mon 3/2

6:01 am-1:45 pm

1 stop7h 44m

$499

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 3/18

8:30 am-2:33 pm

1 stop7h 03m

Cancun

Tue 3/24

11:40 am-3:55 pm

Nonstop3h 15m

$506

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 3/31

7:18 am-7:35 pm

2 stops13h 17m

Cancun

Fri 5/22

6:00 am-3:10 pm

1 stop8h 10m

$506

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 2/21

12:46 pm-4:40 pm

Nonstop3h 54m

Cancun

Tue 2/24

12:28 pm-8:41 pm

1 stop8h 13m

$509

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 4/11

6:00 am-11:28 am

1 stop6h 28m

Cancun

Thu 4/16

8:05 am-8:46 pm

2 stops11h 41m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 19 results
1
2

Compare providers for flights from Dulles Intl to Cancún

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 Dulles Intl to Cancún in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 Washington, D.C. Dulles Intl Airport-Cancún flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Washington, D.C. Dulles Intl Airport-Cancún flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Cancún flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Cancún 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 Washington, D.C. Dulles Intl Airport-Cancún 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 Dulles Intl to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Dulles Intl 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. Dulles Intl Airport to Cancún

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Cancún?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Cancún. Price data was last updated on January 16, 2026.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Cancún. 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 Washington, D.C. Dulles Intl Airport to Cancún?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cancún (average of $210). Flying from Washington, D.C. Dulles Intl Airport to Cancún in June is currently the most expensive (average of $450). 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 IAD to CUN?

Find hourly flight availability from Dulles Intl to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2026.

When flying from Washington, D.C. Dulles Intl Airport to Cancún, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

The best insider tips for Washington, D.C. Dulles Intl Airport to Cancún 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 Washington, D.C. Dulles Intl Airport to Cancún trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and CUN

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 Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated January 20, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Cancún, such as Delta, United Airlines, and Aeromexico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,080 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,080 reviews
Delta
7.9
Good
8,080 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,183 reviews
Delta
7.9
Good
8,080 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aeromexico
7.4
Good
1,596 reviews
Delta
7.9
Good
8,080 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,162 reviews
Delta
7.9
Good
8,080 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
3,056 reviews
Delta
7.9
Good
8,080 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Cancún. 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 into for flights to Cancún from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Cancún, you will be flying into Cancun. Cancun (CUN) is just 8.9 mi from the center of the city. Cancun is the only Cancún airport and it handles 2 inbound flights from Washington, D.C. Dulles Intl per day. 8 airlines have flights to Cancun from Washington, D.C. Dulles Intl on a regular basis.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Cancún?

    A quick flight from Washington, D.C. Dulles Intl Airport to Cancún can take about 3h 54m. Delta provides one of the quickest options available for as low as $498. Airlines will cover a distance of 1357 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Cancún is Spirit Airlines. Our recent data shows that you can find tickets from as low as $134 on this airline. Additional options worth looking into are Delta and Air Canada, starting at $178 and $194 round-trip. Users have found that Spirit Airlines is 77% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $133 on Frontier. Other airlines that offer cheap prices include United Airlines from $141 and Air Canada from $216 one-way.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Cancún?

    On average you can expect to pay $729 for a flight from Washington, D.C. Dulles Intl Airport to Cancún. The cheapest flight overall is $141 while the most popular route, (Washington, D.C. Dulles Intl - Cancun) is currently priced at $304.

  • Can I find deals for flights from Dulles Intl to Cancún that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Cancún.

  • Can I find deals for business class flights from Dulles Intl to Cancún?

    Yes. Cheapflights offers flight deals from Dulles Intl to Cancún 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. Dulles Intl Airport to Cancún?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cancún (average of $210). Flying from Washington, D.C. Dulles Intl Airport to Cancún in June is currently the most expensive (average of $450). 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 Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

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Alternative routes for Dulles Intl to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Cancún flights
Reagan-National to Cancún flights
Dulles Intl to Cozumel flights
Baltimore to Cozumel flights
Reagan-National to Cozumel flights
Baltimore to Chetumal flights

Top 8 airlines flying from Dulles Intl to Cancún

Discover the top 8 airlines that operate flights from Dulles Intl to Cancún. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$134Average$400FlexibilityNo cancel feeOn-time65%
DeltaCheapest$178Average$498FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$194Average$432FlexibilityNo cancel feeOn-time67%
AeromexicoCheapest$253Average$470FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$280Average$389FlexibilityNo cancel feeOn-time62%
Volaris El SalvadorCheapest$286Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$351Average$659FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$371Average$606FlexibilityNo cancel feeOn-time69%

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