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Reagan-National

$108+ Cheap flights from Chicago (CHI) to Reagan-National (DCA)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DCA
Jul 1 — Jul 81
Wed 7/1
Wed 7/8
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to Washington, D.C. Reagan-National are usually found in August or September, booked 71 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap flight deals from Chicago to Reagan-National

Cheapest flights from Chicago to Reagan-National
Explore the most affordable flight options available from Chicago to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 1, 2026.

This Southwest deal was found by Cheapflights users on 5/31. 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 8/1112:50 pm
MDW
-
DCA
Nonstop1h 55m
Southwest
Thu 8/131:00 pm
DCA
-
MDW
2 stops5h 50m
Southwest
Deal found 5/31$236
This American Airlines deal was found by Cheapflights users on 5/28. 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.
Wed 7/16:00 am
ORD
-
DCA
Nonstop2h 14m
American Airlines
Thu 7/95:22 pm
DCA
-
ORD
Nonstop2h 32m
American Airlines
Deal found 5/28$237
This Southwest deal was found by Cheapflights users on 5/27. 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.
Thu 7/28:10 pm
MDW
-
DCA
Nonstop1h 50m
Southwest
Tue 7/76:00 am
DCA
-
MDW
Nonstop2h 00m
Southwest
Deal found 5/27$237
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:05 am
ORD
-
DCA
1 stop5h 00m
Delta
Sat 8/154:00 pm
DCA
-
ORD
1 stop5h 50m
Delta
Deal found 5/29$238
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:42 pm
MDW
-
DCA
1 stop3h 17m
Delta
Sat 8/156:10 am
DCA
-
MDW
1 stop4h 07m
Delta
Deal found 5/29$238
This United Airlines deal was found by Cheapflights users on 5/28. 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.
Thu 9/36:00 am
ORD
-
DCA
Nonstop1h 55m
United Airlines
Sat 9/57:10 pm
DCA
-
ORD
Nonstop2h 20m
United Airlines
Deal found 5/28$239
This Southwest deal was found by Cheapflights users on 5/28. 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.
Thu 9/34:55 pm
MDW
-
DCA
Nonstop1h 55m
Southwest
Sat 9/51:00 pm
DCA
-
MDW
Nonstop1h 55m
Southwest
Deal found 5/28$239
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:20 pm
ORD
-
DCA
1 stop4h 39m
Delta
Wed 8/191:42 pm
DCA
-
ORD
1 stop6h 07m
Delta
Deal found 5/29$241
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:42 pm
MDW
-
DCA
1 stop3h 17m
Delta
Wed 8/196:30 pm
DCA
-
MDW
1 stop5h 06m
Delta
Deal found 5/29$241
This American Airlines deal was found by Cheapflights users on 5/28. 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 8/88:00 am
ORD
-
DCA
Nonstop1h 59m
American Airlines
Sat 8/152:44 pm
DCA
-
ORD
Nonstop2h 24m
American Airlines
Deal found 5/28$242
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Fri 7/106:00 am
ORD
-
DCA
Nonstop1h 54m
United Airlines
Tue 7/148:25 am
DCA
-
ORD
Nonstop2h 18m
United Airlines
Deal found 5/26$243
This Southwest deal was found by Cheapflights users on 5/27. 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.
Fri 7/1012:45 pm
MDW
-
DCA
Nonstop1h 50m
Southwest
Tue 7/149:30 am
DCA
-
MDW
Nonstop1h 55m
Southwest
Deal found 5/27$243

Find flight deals from Chicago to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Reagan-National (DCA). 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 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$236
(Southwest)

One-way from

$108
(Southwest)

Popular in

March

Cheapest in

August

Average price

$311

Good round-trip deal

$289 or less

Good one-way deal

$152 or less
Provider with most accurate pricing for Chicago (CHI)-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Washington, D.C. Reagan-National flights.
Search Deals
From Chicago (CHI) to Washington, D.C. Reagan-National
Search Deals
One-way flight from Chicago (CHI) to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Reagan-National 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 1, 2026.
Use the filters below to find and compare flights from Chicago to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 7/28

9:00 am-11:58 am

Nonstop1h 58m

Washington, D.C. Reagan-National

Thu 7/30

7:15 am-8:28 am

Nonstop2h 13m

$237

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 10/21

5:30 am-10:54 am

1 stop4h 24m

Washington, D.C. Reagan-National

Sat 10/24

12:59 pm-4:33 pm

1 stop4h 34m

$241

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Wed 10/21

1:05 pm-7:14 pm

1 stop5h 09m

Washington, D.C. Reagan-National

Sat 10/24

6:00 am-8:45 am

1 stop3h 45m

$241

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Thu 7/9

11:30 am-4:34 pm

1 stop4h 04m

Washington, D.C. Reagan-National

Wed 7/15

11:00 am-5:06 pm

1 stop7h 06m

$257

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Wed 8/26

2:25 pm-8:59 pm

1 stop5h 34m

Washington, D.C. Reagan-National

Fri 8/28

12:27 pm-4:51 pm

1 stop5h 24m

$263

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 9/3

8:15 am-3:50 pm

2 stops6h 35m

Washington, D.C. Reagan-National

Sat 9/5

2:30 pm-7:20 pm

1 stop5h 50m

$264

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Tue 7/7

3:22 pm-9:49 pm

1 stop5h 27m

Washington, D.C. Reagan-National

Thu 7/9

6:20 am-10:23 am

1 stop5h 03m

$267

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Tue 6/23

11:50 am-6:55 pm

1 stop6h 05m

Washington, D.C. Reagan-National

Wed 6/24

6:00 am-7:00 am

Nonstop2h 00m

$282

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

Fri 10/16

1:15 pm-8:13 pm

1 stop5h 58m

Washington, D.C. Reagan-National

Mon 10/19

5:45 pm-10:35 pm

1 stop5h 50m

$297

ChicagoWashington, D.C.

MDW - DCA

MDWDCA

Chicago Midway

Thu 6/25

5:10 am-12:00 pm

1 stop5h 50m

Washington, D.C. Reagan-National

Sat 6/27

3:35 pm-9:55 pm

1 stop7h 20m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/30

Showing 1-10 of 44 resultsSorted by cheapest first
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Compare providers for flights from Chicago to Reagan-National

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 Chicago to Reagan-National in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Chicago-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Chicago-Washington, D.C. Reagan-National Airport 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 Chicago to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Chicago 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 Chicago to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Chicago to Washington, D.C. Reagan-National Airport?

Currently, August is the cheapest month in which you can book a flight from Chicago to Washington, D.C. Reagan-National Airport (average of $93). Flying from Chicago to Washington, D.C. Reagan-National Airport in May is currently the most expensive (average of $940). 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 CHI to DCA?

Find hourly flight availability from Chicago to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 1, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 10% on flights from Chicago to Washington, D.C. Reagan-National Airport by exploring options for tickets at noon.

Weekly flight availability from Chicago to Washington, D.C. Reagan-National Airport

Explore weekly flight availability from Chicago to Reagan-National. 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 1, 2026.

The most flights from CHI to DCA are scheduled on a Monday (64 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

How much does it cost to fly round-trip from Chicago to Washington, D.C. Reagan-National Airport?

How often are flights from Chicago to Washington, D.C. delayed?

About 23% of weekly flights between Chicago and Washington, D.C. have experienced delays in the past year, with the average delay time being 129 minutes.

What is the most punctual flight time for Chicago to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Washington, D.C. flights?

Over the last year, Southwest have had the lowest number of delays on this route, with just 21% of flights being delayed.

How far ahead should I book a flight from Chicago to Washington, D.C. Reagan-National Airport?

To ensure you get the cheapest price possible for a flight from Chicago to Washington, D.C. Reagan-National Airport, you should look to book at least 83 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 day to fly from Chicago to Washington, D.C. Reagan-National Airport?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Reagan-National. Price data was last updated on May 30, 2026.

Travelers seeking maximum savings on their Chicago to Washington, D.C. Reagan-National Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Chicago to Washington, D.C. Reagan-National Airport 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 Chicago to Washington, D.C. Reagan-National Airport trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

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
Emily Zemler

Emily Zemler

Expert on DCA

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated June 1, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Chicago to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
Southwest
8.0
Very good
4,257 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
United Airlines
7.4
Good
9,770 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!
American Airlines
7.1
Good
11,648 reviews
Southwest
8.0
Very good
4,257 reviews

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

Find useful and relevant information for your journey from Chicago to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Washington, D.C. Reagan-National Airport?

    Departing from Chicago to Washington, D.C. Reagan-National Airport will take you 1h 58m. Airlines will cover a distance of 610 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, Frontier ($85), JetBlue ($141), and American Airlines ($170) offers the cheapest pricing from Chicago to Washington, D.C. Reagan-National Airport. You may be able to fly from Chicago to Washington, D.C. Reagan-National Airport for 75% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago to Washington, D.C. Reagan-National Airport one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $55. American Airlines flights start at $78 while deals on Southwest start at $98 one-way.

  • What are the most reliable airlines from Chicago to Washington, D.C. Reagan-National Airport?

    The top 3 most reliable airlines when flying from Chicago to Washington, D.C. Reagan-National Airport are SkyWest Airlines (100%), Envoy Air (92%) and Qatar Airways (78%).

  • What are the cheapest flights from Chicago to Washington, D.C. Reagan-National Airport?

    Looking for the cheapest flight from Chicago to Washington, D.C. Reagan-National Airport? While on average our users pay $501, our data indicates the cheapest price to be $111. The most popular route (Chicago O'Hare Intl - Washington, D.C. Reagan-National), is priced around $177.

  • Can I find deals for flights from Chicago to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Chicago to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Reagan-National.

  • Can I find deals for business class flights from Chicago to Reagan-National?

    Yes. Cheapflights offers flight deals from Chicago to Reagan-National 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 Chicago to Washington, D.C. Reagan-National Airport?

    Currently, August is the cheapest month in which you can book a flight from Chicago to Washington, D.C. Reagan-National Airport (average of $93). Flying from Chicago to Washington, D.C. Reagan-National Airport in May is currently the most expensive (average of $940). 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. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Chicago to Reagan-National

Discover the top 5 airlines that operate flights from Chicago to Reagan-National. 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$223FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$141Average$254FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$170Average$301FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$198Average$339FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$222Average$393FlexibilityNo cancel feeOn-time69%

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