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Washington, D.C.

$454+ Cheap flights from Incheon Intl (ICN) 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — WAS
fev 27 — mar 61
qui 2/27
qui 3/6
1 adult, Economy
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The best prices from Incheon Intl to Washington, D.C. are usually found in December or November, booked 44 days in advance, depart on a Friday or Sunday and return on a Wednesday

Cheap flight deals from Incheon Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) 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 fevereiro 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$736
(United Airlines)

One-way from

$454
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$1,295

Good round-trip deal

$1,339 or less

Good one-way deal

$1,158 or less
Provider with most accurate pricing for Incheon Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Washington, D.C. (WAS) flights.
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From Incheon Intl to Washington, D.C. (WAS)
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One-way flight from Incheon Intl to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 16% potential increase in price ($266 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Incheon Intl to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Incheon Intl to Washington, D.C. (WAS).
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Find flight deals from Incheon Intl to Washington, D.C.

Cheapest flights from Incheon Intl to Washington, D.C.
Explore the most affordable flight options available from Incheon Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on fevereiro 22, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 3/412:45 pmICN - BWI
2 stops24h 36mUnited Airlines
seg 3/176:15 amBWI - ICN
1 stop20h 00mUnited Airlines
Deal found 2/20$736
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 3/215:00 pmICN - IAD
1 stop17h 04mUnited Airlines
qua 4/912:35 pmIAD - ICN
1 stop26h 45mUnited Airlines
Deal found 2/20$736
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 3/412:45 pmICN - DCA
1 stop18h 08mUnited Airlines
seg 3/171:05 pmDCA - ICN
2 stops26h 35mUnited Airlines
Deal found 2/20$736
This American Airlines deal was found by Cheapflights users on 2/21. 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.
qui 2/276:50 pmICN - BWI
1 stop18h 09mAmerican Airlines
ter 3/46:03 amBWI - ICN
1 stop20h 42mAmerican Airlines
Deal found 2/21$778
This American Airlines deal was found by Cheapflights users on 2/21. 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.
qui 2/276:50 pmICN - IAD
1 stop17h 43mAmerican Airlines
ter 3/46:12 amIAD - ICN
1 stop20h 33mAmerican Airlines
Deal found 2/21$778
This American Airlines deal was found by Cheapflights users on 2/21. 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.
qui 2/276:50 pmICN - DCA
1 stop18h 10mAmerican Airlines
ter 3/46:13 amDCA - ICN
1 stop20h 32mAmerican Airlines
Deal found 2/21$778
This Air China deal was found by Cheapflights users on 2/21. 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 Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 3/283:30 pmICN - IAD
1 stop36h 40mAir China
sáb 4/56:00 pmIAD - ICN
2 stops28h 35mAir China
Deal found 2/21$792
This Delta deal was found by Cheapflights users on 2/21. 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.
sex 2/287:30 pmICN - BWI
1 stop18h 23mDelta
ter 3/46:00 amBWI - ICN
1 stop19h 30mDelta
Deal found 2/21$872
This WhyPayMore deal was found by Cheapflights users on 2/22. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 7/225:45 pmICN - IAD
1 stop35h 42mAir Canada
qui 7/315:30 pmIAD - ICN
1 stop33h 35mAir Canada
Deal found 2/22$872
This WhyPayMore deal was found by Cheapflights users on 2/22. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 7/226:00 pmICN - DCA
1 stop29h 18mAir Canada
qui 7/319:40 amDCA - ICN
1 stop17h 40mAir Canada
Deal found 2/22$898
This Expedia deal was found by Cheapflights users on 2/21. 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.
qua 4/99:30 amICN - BWI
1 stop18h 15mKorean Air
seg 4/146:00 amBWI - ICN
1 stop19h 10mKorean Air
Deal found 2/21$932
This Gotogate deal was found by Cheapflights users on 2/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 5/158:45 pmICN - IAD
1 stop34h 09mWestJet
sex 5/306:45 pmIAD - ICN
1 stop35h 00mWestJet
Deal found 2/21$974

Find flights from Incheon Intl to Washington, D.C. within your budget

Customize your flight search to find flights from Incheon Intl 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 fevereiro 22, 2025.

Fly from

Incheon Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

ter 3/4

12:45 pm-11:21 pm

2 stops24h 36m

Baltimore/Washington

seg 3/17

6:15 am-3:15 pm

1 stop20h 00m

$736

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

sex 3/21

5:00 pm-1:01 am

1 stop21h 01m

Washington, D.C. Dulles Intl

sex 4/4

6:30 am-3:00 pm

1 stop19h 30m

$736

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

ter 3/4

12:45 pm-4:53 pm

1 stop18h 08m

Washington, D.C. Reagan-National

seg 3/17

1:05 pm-4:40 am

2 stops26h 35m

$736

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

qua 3/5

6:50 pm-8:50 am

2 stops28h 00m

Washington, D.C. Dulles Intl

sáb 4/5

8:14 pm-3:30 pm

2 stops30h 16m

$783

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

qua 3/5

6:50 pm-12:45 am

1 stop19h 55m

Washington, D.C. Reagan-National

sáb 4/5

9:59 pm-3:30 pm

2 stops28h 31m

$783

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

sex 3/28

3:30 pm-3:10 pm

1 stop36h 40m

Washington, D.C. Dulles Intl

sáb 4/5

6:00 pm-11:35 am

2 stops28h 35m

$792

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

qui 3/13

7:30 pm-11:53 pm

1 stop17h 23m

Baltimore/Washington

qua 3/26

6:00 am-3:30 pm

1 stop20h 30m

$872

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

ter 7/22

5:45 pm-4:27 pm

1 stop35h 42m

Washington, D.C. Dulles Intl

qui 7/31

5:30 pm-4:05 pm

1 stop33h 35m

$872

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

ter 7/22

6:00 pm-10:18 am

1 stop29h 18m

Washington, D.C. Reagan-National

qui 7/31

9:40 am-4:20 pm

1 stop17h 40m

$898

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

qua 4/9

9:30 am-2:45 pm

1 stop18h 15m

Baltimore/Washington

seg 4/14

6:00 am-2:10 pm

1 stop19h 10m

$932

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 55 results
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Compare providers for flights from Incheon Intl 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 Incheon Intl to Washington, D.C. in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 Incheon Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Washington, D.C. 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 Incheon Intl Airport-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 Incheon Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Incheon 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.

Travel insights for flights from Incheon Intl to Washington, D.C.

Get recent, data-driven insights about flights from Incheon Intl to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Washington, D.C.. Price data was last updated on February 14, 2025.

The best time to book flights from Incheon Intl Airport to Washington, D.C. is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. (average of $309). Flying from Incheon Intl Airport to Washington, D.C. in June is currently the most expensive (average of $389). 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 ICN to WAS?

Find hourly flight availability from Incheon Intl 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 fevereiro 22, 2025.

When flying from Incheon Intl Airport to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 35% versus a flight in the morning.

Weekly flight availability from Incheon Intl Airport to Washington, D.C.

Explore weekly flight availability from Incheon Intl 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 fevereiro 22, 2025.

The most flights from ICN to WAS are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 fevereiro 22, 2025.
Read through reviews of airlines operating flights from Seoul to Washington, D.C., such as Korean Air, Japan Airlines and Asiana Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,036 reviews

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Korean Air
8.4
Very good
1,036 reviews
Korean Air
8.4
Very good
1,036 reviews

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,036 reviews

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Asiana Airlines
8.3
Very good
444 reviews
Korean Air
8.4
Very good
1,036 reviews

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Singapore Airlines
8.1
Very good
1,297 reviews
Korean Air
8.4
Very good
1,036 reviews

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Delta
8.0
Very good
8,203 reviews
Korean Air
8.4
Very good
1,036 reviews

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Overall

8.4

Comfort

8.3

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl 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 are the cheapest airlines flying from Incheon Intl Airport to Washington, D.C. round-trip?

    According to our current data, United Airlines ($736), American Airlines ($783), and Air China ($792) offers the cheapest pricing from Incheon Intl Airport to Washington, D.C.. United Airlines is priced at 44% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $457. Air China flights start at $459 while deals on WestJet start at $463 one-way.

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

    The most popular flight routes from Incheon Intl Airport to Washington, D.C. are Incheon Intl - Washington, D.C. Dulles Intl, Incheon Intl - Washington, D.C. Reagan-National and Incheon Intl - Baltimore/Washington.

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

    While on average a flight from Incheon Intl Airport to Washington, D.C. is generally $2,806, our data shows the cheapest flight currently is $1,077. When looking at the most popular route, (Incheon Intl - Washington, D.C. Dulles Intl), you can expect to pay $736 for that flight.

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

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

  • How can I find direct flights from Incheon Intl 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 Incheon Intl to Washington, D.C..

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

    Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Washington, D.C. (average of $309). Flying from Incheon Intl Airport to Washington, D.C. in June is currently the most expensive (average of $389). 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 Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill
Gettysburg

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Alternative routes for Incheon Intl to Washington, D.C.

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

Top 5 airlines flying from Incheon Intl to Washington, D.C.

Discover the top 5 airlines that operate flights from Incheon Intl 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 fevereiro 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$687Average$808FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$688Average$982FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$726Average$1,127FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,053Average$1,562FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,313Average$1,667FlexibilityNo cancel feeOn-timeN/A
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