Incheon Intl

$467+ Cheap flights from Washington, D.C. (WAS) to Incheon Intl (ICN)

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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ICN
may. 5 — may. 121
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Cheapflights Tip: The best prices from Washington, D.C. to Incheon Intl are usually found in January or February, booked 38 days in advance, depart on a Wednesday or Monday and return on a Monday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Incheon Intl (ICN). 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 abril 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$882
(CrystalTravel)

One-way from

$467
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,462

Good round-trip deal

$1,177 or less

Good one-way deal

$657 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Incheon Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Incheon Intl flights.
From Washington, D.C. (WAS) to Incheon Intl
One-way flight from Washington, D.C. (WAS) to Incheon Intl
Highest demand for flights based on searches. 17% potential increase in price ($307 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Incheon Intl.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Incheon Intl.

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

Cheapest flights from Washington, D.C. to Incheon Intl
Explore the most affordable flight options available from Washington, D.C. to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/39:40 pmIAD - ICN
1 stop31h 00mTurkish Airlines
vie. 9/1211:20 pmICN - IAD
1 stop25h 25mTurkish Airlines
Deal found 4/28$882
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/147:45 amIAD - ICN
2 stops23h 45mMultiple Airlines
mié. 5/216:20 pmICN - IAD
1 stop37h 39mMultiple Airlines
Deal found 4/29$968
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/137:17 amBWI - ICN
2 stops48h 13mMultiple Airlines
jue. 5/2212:45 pmICN - BWI
1 stop19h 54mMultiple Airlines
Deal found 4/29$983
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/131:00 pmDCA - ICN
2 stops42h 30mMultiple Airlines
vie. 5/3012:45 pmICN - DCA
1 stop21h 14mMultiple Airlines
Deal found 4/29$1,042
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/65:38 pmIAD - ICN
2 stops30h 02mCathay Pacific
mié. 6/183:10 pmICN - IAD
2 stops28h 40mCathay Pacific
Deal found 4/29$1,061
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/3110:09 pmDCA - ICN
2 stops50h 56mCathay Pacific
dom. 9/148:05 pmICN - DCA
2 stops25h 58mCathay Pacific
Deal found 4/29$1,084
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/166:56 pmBWI - ICN
1 stop20h 24mUnited Airlines
mar. 10/2111:30 amICN - BWI
1 stop22h 59mUnited Airlines
Deal found 4/29$1,178
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/89:45 amIAD - ICN
1 stop17h 30mAir Canada
sáb. 10/255:45 pmICN - IAD
2 stops26h 50mAir Canada
Deal found 4/29$1,181
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/911:00 pmIAD - ICN
1 stop23h 35mAir China
mar. 9/1610:50 amICN - IAD
1 stop21h 40mAir China
Deal found 4/29$1,235
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2111:47 amBWI - ICN
2 stops42h 18mCathay Pacific
dom. 8/311:40 pmICN - BWI
2 stops47h 19mCathay Pacific
Deal found 4/28$1,248
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:19 amBWI - ICN
2 stops23h 26mWestJet
jue. 9/188:45 pmICN - BWI
2 stops27h 22mWestJet
Deal found 4/29$1,265
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/214:35 pmDCA - ICN
2 stops34h 30mAir Canada
mar. 2/176:50 pmICN - DCA
2 stops29h 29mAir Canada
Deal found 4/29$1,280

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. to Incheon 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 abril 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Incheon Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Incheon Intl

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

mié. 9/3

9:40 pm-5:40 pm

1 stop31h 00m

Incheon Intl

vie. 9/12

11:20 pm-11:45 am

1 stop25h 25m

$882

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

mar. 5/13

5:00 pm-8:30 pm

2 stops38h 30m

Incheon Intl

mié. 5/21

6:20 pm-5:55 am

1 stop24h 35m

$906

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

mar. 5/13

7:17 am-8:30 pm

2 stops48h 13m

Incheon Intl

jue. 5/22

12:45 pm-7:39 pm

1 stop19h 54m

$983

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mar. 5/13

1:00 pm-8:30 pm

2 stops42h 30m

Incheon Intl

vie. 5/30

12:45 pm-8:59 pm

1 stop21h 14m

$1,042

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

dom. 8/31

10:09 pm-2:05 pm

2 stops50h 56m

Incheon Intl

dom. 9/14

8:05 pm-9:03 am

2 stops25h 58m

$1,084

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

mar. 5/20

7:25 pm-2:05 pm

2 stops29h 40m

Incheon Intl

mié. 5/28

10:10 am-5:55 am

2 stops32h 45m

$1,104

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

mar. 9/16

6:56 pm-4:20 am

1 stop20h 24m

Incheon Intl

mar. 10/21

11:30 am-9:29 pm

1 stop22h 59m

$1,178

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

mar. 7/8

9:45 am-4:15 pm

1 stop17h 30m

Incheon Intl

sáb. 10/25

5:45 pm-7:35 am

2 stops26h 50m

$1,181

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

mar. 9/9

11:00 pm-11:35 am

1 stop23h 35m

Incheon Intl

mar. 9/16

10:50 am-7:30 pm

1 stop21h 40m

$1,235

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

jue. 8/21

11:47 am-7:05 pm

2 stops42h 18m

Incheon Intl

dom. 8/31

1:40 pm-11:59 pm

2 stops47h 19m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 48 results
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Compare providers for flights from Washington, D.C. to Incheon Intl

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 Washington, D.C. to Incheon Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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.-Incheon Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Incheon Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Incheon Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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.-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Washington, D.C. to Incheon 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 Incheon Intl Airport trip
Airports
IAD

Expect long security queues at IAD, especially in the afternoon. Plan extra time to navigate the airport's complex layout.

Read more about IADby Ramsey Qubein
ICN

The AREX express train is a quick option from ICN to Seoul Station, taking 40-50 minutes. Consider this for a fast city transfer.

Read more about ICNby Gabriel Leigh
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

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
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 Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon 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 Incheon Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Incheon Intl. Price data was last updated on April 25, 2025.

The price you pay for your flight from Washington, D.C. to Incheon Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Incheon Intl Airport (average of $1,001). Flying from Washington, D.C. to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 ICN?

Find hourly flight availability from Washington, D.C. to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Incheon Intl. Price data was last updated on December 16, 2024.

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

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

Explore weekly flight availability from Washington, D.C. to Incheon 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 abril 30, 2025.

The most flights from WAS to ICN 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 Incheon Intl by month

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

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

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

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon 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 Incheon Intl. Reviews last updated abril 30, 2025.
See what other customers who have flown with Korean Air, China Airlines and Asiana Airlines from Washington, D.C. to Seoul have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
8.0
Very good

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

    According to our current data, Turkish Airlines ($882), Cathay Pacific ($1,070), and Air Canada ($1,194) offers the cheapest pricing from Washington, D.C. to Incheon Intl Airport. Turkish Airlines is currently priced 38% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Washington, D.C. to Incheon Intl Airport are WestJet ($507), Turkish Airlines ($528), and Cathay Pacific ($571).

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

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

    On average you can expect to pay $3,217 for a flight from Washington, D.C. to Incheon Intl Airport. The cheapest flight overall is $391 while the most popular route, (Washington, D.C. Dulles Intl - Incheon Intl) is currently priced at $882.

  • Where are the most common layover locations when flying from Washington, D.C. to Incheon Intl Airport?

  • What are some popular things to do or see while on a layover in Toronto?

    The majority of Toronto visitors spend their time at Union Station, CN Tower, and Hockey Hall of Fame. Union Station, CN Tower, and Hockey Hall of Fame are located about 12.1 mi, 11.9 mi, and 12.3 mi, respectively from Toronto Pearson Intl. Those on a layover in Toronto in need of a rental car can book one at Toronto Pearson Intl for about $30.

  • What are some popular points of interest to see during a layover in Istanbul?

    Taksim Square, Sultan Ahmet Camii, and Beyazit Meydani are currently the most popular points of interest in Istanbul at the moment. Travelers on a layover in Istanbul can visit Taksim Square, Sultan Ahmet Camii, and Beyazit Meydani, by traveling 20.8 mi, 22.3 mi, and 21.7 mi, respectively after landing at Istanbul. Travelers can book a car rental at Istanbul for about $32 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. to Incheon Intl Airport flights?

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Incheon Intl Airport (average of $1,001). Flying from Washington, D.C. to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
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Alternative routes for Washington, D.C. to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Washington, D.C. to Incheon Intl

Discover the top 9 airlines that operate flights from Washington, D.C. to Incheon 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$591Average$747FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$660Average$1,755FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$807Average$1,053FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$865Average$1,266FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$876Average$1,303FlexibilityNo cancel feeOn-time71%
DeltaCheapest$877Average$1,836FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,077Average$1,822FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,298Average$2,023FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$1,698Average$1,707FlexibilityNo cancel feeOn-time77%

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