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Incheon Intl

$459+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ICN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$779
(Gotogate)

One-way from

$459
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,352

Good round-trip deal

$1,424 or less

Good one-way deal

$592 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Incheon Intl flights.
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From Washington, D.C. (WAS) to Incheon Intl
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One-way flight from Washington, D.C. (WAS) to Incheon Intl
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Highest demand for flights based on searches. 19% potential increase in price ($351 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Incheon Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Incheon Intl.
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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 March 31, 2025.

This Air China deal was found by Cheapflights users on 3/30. 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.
Tue 4/1511:00 pmIAD - ICN
1 stop33h 45mAir China
Thu 5/85:50 pmICN - IAD
1 stop38h 40mAir China
Deal found 3/30$785
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/211:30 pmIAD - ICN
1 stop39h 10mTurkish Airlines
Fri 6/2710:20 amICN - IAD
1 stop38h 25mTurkish Airlines
Deal found 3/30$892
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:45 pmIAD - ICN
1 stop35h 55mWestJet
Thu 9/188:45 pmICN - IAD
1 stop34h 05mWestJet
Deal found 3/31$900
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:38 pmIAD - ICN
2 stops55h 37mMultiple Airlines
Mon 5/56:20 pmICN - IAD
1 stop36h 02mMultiple Airlines
Deal found 3/31$936
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Sat 4/268:10 pmBWI - ICN
2 stops53h 25mMultiple Airlines
Tue 5/1312:45 pmICN - BWI
1 stop19h 54mMultiple Airlines
Deal found 3/29$939
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:00 pmDCA - ICN
2 stops37h 30mMultiple Airlines
Sun 5/186:20 pmICN - DCA
2 stops30h 47mMultiple Airlines
Deal found 3/30$972
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:00 pmBWI - ICN
2 stops40h 45mWestJet
Tue 9/238:45 pmICN - BWI
2 stops35h 02mWestJet
Deal found 3/30$1,150
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/225:38 pmIAD - ICN
2 stops31h 27mCathay Pacific
Tue 5/2010:10 amICN - IAD
2 stops32h 45mCathay Pacific
Deal found 3/31$1,168
This Gotogate deal was found by Cheapflights users on 3/30. 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.
Mon 4/285:44 pmIAD - ICN
2 stops33h 21mAir Canada
Wed 5/145:45 pmICN - IAD
2 stops27h 10mAir Canada
Deal found 3/30$1,173
This Fareboom deal was found by Cheapflights users on 3/30. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:17 pmBWI - ICN
2 stops26h 43mEVA Air
Mon 11/247:45 pmICN - BWI
2 stops24h 00mEVA Air
Deal found 3/30$1,260
This Gurufare deal was found by Cheapflights users on 3/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:45 pmDCA - ICN
2 stops27h 55mCathay Pacific
Wed 10/153:10 pmICN - DCA
2 stops30h 57mCathay Pacific
Deal found 3/31$1,276
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/84:10 pmDCA - ICN
2 stops34h 55mAir Canada
Thu 5/85:45 pmICN - DCA
2 stops29h 34mAir Canada
Deal found 3/30$1,387

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 March 31, 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

Tue 4/15

11:00 pm-9:45 pm

1 stop33h 45m

Incheon Intl

Thu 5/8

5:50 pm-7:30 pm

1 stop38h 40m

$785

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 4/21

1:30 pm-5:40 pm

1 stop39h 10m

Incheon Intl

Fri 6/27

10:20 am-11:45 am

1 stop38h 25m

$892

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 9/12

6:45 pm-7:40 pm

1 stop35h 55m

Incheon Intl

Thu 9/18

8:45 pm-5:50 pm

1 stop34h 05m

$900

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 4/28

5:38 pm-2:15 pm

2 stops55h 37m

Incheon Intl

Mon 5/5

6:20 pm-5:22 pm

1 stop36h 02m

$936

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Sat 4/26

8:10 pm-2:35 pm

2 stops53h 25m

Incheon Intl

Tue 5/13

12:45 pm-7:39 pm

1 stop19h 54m

$939

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 5/6

6:00 pm-8:30 pm

2 stops37h 30m

Incheon Intl

Sun 5/18

6:20 pm-12:07 pm

2 stops30h 47m

$972

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Thu 9/18

1:00 pm-6:45 pm

2 stops40h 45m

Incheon Intl

Tue 9/23

8:45 pm-6:47 pm

2 stops35h 02m

$1,150

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 4/22

5:38 pm-2:05 pm

2 stops31h 27m

Incheon Intl

Tue 5/20

10:10 am-5:55 am

2 stops32h 45m

$1,168

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 4/28

5:44 pm-4:05 pm

2 stops33h 21m

Incheon Intl

Wed 5/14

5:45 pm-7:55 am

2 stops27h 10m

$1,173

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 8/25

7:17 pm-11:00 am

2 stops26h 43m

Incheon Intl

Mon 11/24

7:45 pm-5:45 am

2 stops24h 00m

$1,260

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 46 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Washington, D.C.-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >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 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 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 March 28, 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 $1,002). Flying from Washington, D.C. to Incheon Intl Airport in June is currently the most expensive (average of $1,661). 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 March 31, 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 March 31, 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 March 31, 2025.
See what other customers who have flown with Korean Air, Delta and Alaska 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.
Korean Air
8.4
Very good
1,051 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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.
Korean Air
8.4
Very good
1,051 reviews
Korean Air
8.4
Very good
1,051 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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.
Delta
8.0
Very good
7,899 reviews
Korean Air
8.4
Very good
1,051 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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.
Alaska Airlines
8.0
Very good
9,818 reviews
Korean Air
8.4
Very good
1,051 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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.
KLM
7.8
Good
1,321 reviews
Korean Air
8.4
Very good
1,051 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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.
LOT
7.6
Good
1,065 reviews
Korean Air
8.4
Very good
1,051 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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, Air China ($779), Turkish Airlines ($892), and WestJet ($900) offers the cheapest pricing from Washington, D.C. to Incheon Intl Airport. Air China is currently priced 46% 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 Air China ($491), WestJet ($509), and Turkish Airlines ($547).

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

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

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

    Washington, D.C. to Incheon Intl Airport flights have a layover in Toronto most often. Istanbul is the second most popular location for layovers on flights 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 $28.

  • 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 $28 per day to make their sightseeing more efficient.

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

    Washington, D.C. to Incheon Intl Airport flights have a layover in Dallas least often.

  • 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 $1,002). Flying from Washington, D.C. to Incheon Intl Airport in June is currently the most expensive (average of $1,661). 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.
Dulles Intl to Incheon Intl flights
Reagan-National to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Reagan-National to Gimpo Intl flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$802Average$1,070FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$864Average$1,283FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$876Average$1,318FlexibilityNo cancel feeOn-time71%
DeltaCheapest$877Average$1,880FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$877Average$1,783FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,077Average$1,841FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,312Average$1,958FlexibilityNo cancel feeOn-time76%
KLMCheapest$1,559Average$1,787FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$1,583Average$1,710FlexibilityNo cancel feeOn-time77%
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