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Incheon Intl

$356+ Cheap flights from District of Columbia 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ICN
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from District of Columbia to Incheon Intl

Cheapest flights from District of Columbia to Incheon Intl
Explore the most affordable flight options available from District of Columbia to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This CrystalTravel deal was found by Cheapflights users on 2/2. 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.
Fri 3/610:00 pm
IAD
-
ICN
1 stop23h 40m
Air China
Fri 3/1311:10 am
ICN
-
IAD
1 stop21h 20m
Air China
Deal found 2/2$863
This CrystalTravel deal was found by Cheapflights users on 2/5. 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.
Tue 4/1411:00 pm
IAD
-
ICN
1 stop23h 35m
Air China
Tue 4/281:05 pm
ICN
-
IAD
1 stop19h 25m
Air China
Deal found 2/5$865
This Bravofly deal was found by Cheapflights users on 2/5. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:00 pm
IAD
-
ICN
1 stop23h 40m
Air China
Tue 3/171:10 pm
ICN
-
IAD
1 stop19h 20m
Air China
Deal found 2/5$869
This CrystalTravel deal was found by Cheapflights users on 2/3. 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.
Tue 4/711:00 pm
IAD
-
ICN
1 stop26h 15m
Air China
Tue 4/211:05 pm
ICN
-
IAD
1 stop19h 25m
Air China
Deal found 2/3$871
This oojo deal was found by Cheapflights users on 2/2. 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 3/1011:00 pm
IAD
-
ICN
1 stop23h 40m
Air China
Fri 3/2011:10 am
ICN
-
IAD
1 stop21h 20m
Air China
Deal found 2/2$872
This oojo deal was found by Cheapflights users on 2/3. 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 3/1011:00 pm
IAD
-
ICN
1 stop23h 40m
Air China
Tue 3/241:10 pm
ICN
-
IAD
1 stop19h 20m
Air China
Deal found 2/3$873
This Bravofly deal was found by Cheapflights users on 2/5. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:00 pm
IAD
-
ICN
1 stop23h 40m
Air China
Fri 3/2011:10 am
ICN
-
IAD
1 stop21h 20m
Air China
Deal found 2/5$876
This Gotogate deal was found by Cheapflights users on 2/4. 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.
Fri 3/1311:00 pm
IAD
-
ICN
1 stop23h 40m
Air China
Mon 3/233:05 pm
ICN
-
IAD
1 stop41h 25m
Air China
Deal found 2/4$878
This Gotogate deal was found by Cheapflights users on 2/4. 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.
Fri 4/1011:00 pm
IAD
-
ICN
1 stop26h 15m
Air China
Mon 4/203:30 pm
ICN
-
IAD
1 stop41h 00m
Air China
Deal found 2/4$880
This Gotogate deal was found by Cheapflights users on 2/2. 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.
Fri 3/610:00 pm
IAD
-
ICN
1 stop25h 20m
Air China
Mon 3/163:05 pm
ICN
-
IAD
1 stop41h 25m
Air China
Deal found 2/2$883
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 3/26:00 pm
DCA
-
ICN
2 stops32h 20m
Multiple Airlines
Wed 5/276:20 pm
ICN
-
DCA
1 stop36h 39m
Multiple Airlines
Deal found 2/5$1,018
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 3/29:59 am
DCA
-
ICN
1 stop40h 21m
Multiple Airlines
Tue 3/109:20 pm
ICN
-
DCA
2 stops31h 46m
Multiple Airlines
Deal found 2/4$1,030

Find flight deals from District of Columbia to Incheon Intl

Keep the following information in mind while searching for District of Columbia to Incheon Intl flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$863
(CrystalTravel)

One-way from

$356
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,219

Good round-trip deal

$1,164 or less

Good one-way deal

$548 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
Search Deals
From District of Columbia to Incheon Intl
Search Deals
One-way flight from District of Columbia to Incheon Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from District of Columbia to Incheon Intl.
Search Deals
Price to beat on a one-way flight from District of Columbia to Incheon Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 February 5, 2026.
Use the filters below to find and compare flights from District of Columbia to Incheon Intl Airport that are best for you.

Fly from

District of Columbia

Fly to

Incheon Intl

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 4/14

7:11 pm-11:30 am

2 stops27h 19m

Incheon Intl

Tue 4/21

8:05 pm-5:40 am

2 stops22h 35m

$1,015

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 3/2

6:00 pm-4:20 pm

2 stops32h 20m

Incheon Intl

Wed 5/27

6:20 pm-5:59 pm

1 stop36h 39m

$1,019

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 3/3

6:59 pm-6:35 pm

2 stops33h 36m

Incheon Intl

Mon 3/9

8:35 pm-5:59 pm

2 stops58h 24m

$1,119

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 2/28

6:59 pm-6:35 pm

2 stops33h 36m

Incheon Intl

Mon 3/9

8:35 pm-5:59 pm

2 stops58h 24m

$1,119

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 3/4

8:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Wed 3/11

6:55 pm-1:02 pm

2 stops31h 07m

$1,134

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 4/21

6:59 am-5:30 pm

1 stop21h 31m

Incheon Intl

Wed 5/6

5:45 pm-8:53 am

2 stops28h 08m

$1,142

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 3/2

9:59 am-4:20 pm

1 stop40h 21m

Incheon Intl

Thu 3/12

1:20 pm-8:05 pm

1 stop19h 45m

$1,163

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 2/10

6:50 pm-5:10 pm

2 stops32h 20m

Incheon Intl

Thu 2/19

6:55 pm-10:21 am

2 stops29h 26m

$1,166

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 4/2

6:00 am-5:30 pm

2 stops22h 30m

Incheon Intl

Tue 4/14

5:45 pm-10:19 am

2 stops29h 34m

$1,170

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 3/24

6:50 pm-5:25 pm

1 stop33h 35m

Incheon Intl

Tue 4/14

7:05 pm-8:53 am

1 stop26h 48m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 45 results
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Best time to book a flight from District of Columbia to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from District of Columbia 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 District of Columbia to Incheon Intl Airport

What is the cheapest month to book a flight from District of Columbia to Incheon Intl Airport?

Currently, October is the cheapest month in which you can book a flight from District of Columbia to Incheon Intl Airport (average of $372). Flying from District of Columbia to Incheon Intl Airport in July is currently the most expensive (average of $1,091). 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 DC to ICN?

Find hourly flight availability from District of Columbia 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 February 5, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Incheon Intl Airport as you normally would.

Weekly flight availability from District of Columbia to Incheon Intl Airport

Explore weekly flight availability from District of Columbia 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 February 5, 2026.

The most flights from USDC 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).

How much does it cost to fly round-trip from District of Columbia to Incheon Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Incheon Intl. 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 District of Columbia to Incheon Intl Airport?

    There are many flights that can get you from District of Columbia to Incheon Intl Airport in 21h 31m. Fly via Air Canada or Cathay Pacific to get the fastest option. Airlines will cover a distance of 6953 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Incheon Intl Airport one-way?

    One-way options have recently been found by users for as low as $416 on Air China. Other airlines that offer cheap prices include United Airlines from $476 and Turkish Airlines from $488 one-way.

  • What are the cheapest flights from District of Columbia to Incheon Intl Airport?

    While on average a flight from District of Columbia to Incheon Intl Airport is generally $2,533, our data shows the cheapest flight currently is $514. When looking at the most popular route, (Washington, D.C. Dulles Intl - Incheon Intl), you can expect to pay $970 for that flight.

  • Can I find deals for flights from District of Columbia to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Incheon Intl?

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

  • Can I find deals for business class flights from District of Columbia to Incheon Intl?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Incheon Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from District of Columbia to Incheon Intl Airport (average of $372). Flying from District of Columbia to Incheon Intl Airport in July is currently the most expensive (average of $1,091). 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
Suwon
Seongnam

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Alternative routes for District of Columbia to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to Gimpo Intl flights
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Seattle to Gimpo Intl flights
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Dallas/Fort Worth to Gimpo Intl flights
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Philadelphia to Incheon Intl flights
Boston to Gimpo Intl flights
O'Hare Intl to Gimpo Intl flights
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Denver to Incheon Intl flights
Orlando to Gimpo Intl flights
Newark to Gimpo Intl flights
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Miami to Gimpo Intl flights
Philadelphia to Gimpo Intl flights
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Detroit to Incheon Intl flights
Santa Ana to Incheon Intl flights
Reagan-National to Gimpo Intl flights
Salt Lake City to Incheon Intl flights
Baltimore to Gimpo Intl flights
Honolulu to Gimpo Intl flights
Atlanta to Gimpo Intl flights
Burbank to Incheon Intl flights
Austin to Gimpo Intl flights
Las Vegas to Gimpo Intl flights
Portland to Incheon Intl flights

Top 9 airlines flying from District of Columbia to Incheon Intl

Discover the top 9 airlines that operate flights from District of Columbia 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$356Average$1,597FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$367Average$1,492FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$591Average$756FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$716Average$1,237FlexibilityNo cancel feeOn-time71%
Asiana AirlinesCheapest$759Average$2,072FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$791Average$1,026FlexibilityNo cancel feeOn-time77%
AIR PREMIACheapest$864Average$1,536FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$972Average$1,437FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,059Average$1,708FlexibilityNo cancel feeOn-time81%

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