Incheon Intl

$367+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ICN
Jan 20 — Jan 271
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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 December 21, 2025.

This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:59 amDCA - ICN
2 stops24h 36mMultiple Airlines
Sat 1/177:15 amICN - DCA
3 stops39h 40mMultiple Airlines
Deal found 12/19$1,562
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:06 pmIAD - ICN
2 stops33h 29mMultiple Airlines
Sat 1/172:50 pmICN - IAD
2 stops20h 04mMultiple Airlines
Deal found 12/19$1,602
This Kiwi.com deal was found by Cheapflights users on 12/18. 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.
Thu 12/252:00 pmDCA - ICN
2 stops36h 20mMultiple Airlines
Tue 1/131:20 pmICN - DCA
1 stop20h 40mMultiple Airlines
Deal found 12/18$1,639
This Gotogate deal was found by Cheapflights users on 12/19. 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 12/296:50 pmDCA - ICN
2 stops31h 10mAir Canada
Sat 1/176:55 pmICN - DCA
2 stops29h 28mAir Canada
Deal found 12/19$1,644
This Kiwi.com deal was found by Cheapflights users on 12/18. 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.
Thu 12/255:00 pmDCA - ICN
1 stop35h 35mMultiple Airlines
Thu 1/158:35 amICN - DCA
2 stops25h 25mMultiple Airlines
Deal found 12/18$1,655
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Tue 12/3010:00 pmIAD - ICN
1 stop33h 55mMultiple Airlines
Mon 1/1210:50 pmICN - IAD
2 stops56h 14mMultiple Airlines
Deal found 12/19$1,664
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Wed 12/249:59 amDCA - ICN
1 stop40h 21mMultiple Airlines
Sat 1/178:35 amICN - DCA
2 stops25h 25mMultiple Airlines
Deal found 12/19$1,690
This Booking.com deal was found by Cheapflights users on 12/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:50 pmDCA - ICN
1 stop33h 35mAir Canada
Wed 2/255:55 pmICN - DCA
2 stops32h 24mAir Canada
Deal found 12/18$1,693
This Booking.com deal was found by Cheapflights users on 12/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:50 pmDCA - ICN
1 stop33h 35mAir Canada
Tue 2/176:55 pmICN - DCA
2 stops29h 28mAir Canada
Deal found 12/18$1,696
This oojo deal was found by Cheapflights users on 12/19. 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.
Mon 12/299:15 pmIAD - ICN
1 stop21h 50mTurkish Airlines
Fri 1/1612:10 amICN - IAD
1 stop33h 10mTurkish Airlines
Deal found 12/19$1,706
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Tue 12/3010:00 pmIAD - ICN
1 stop23h 40mMultiple Airlines
Tue 1/139:55 pmICN - IAD
2 stops51h 48mMultiple Airlines
Deal found 12/19$1,709
This Kiwi.com deal was found by Cheapflights users on 12/18. 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.
Fri 12/268:00 amDCA - ICN
1 stop20h 35mMultiple Airlines
Thu 1/158:35 amICN - DCA
2 stops25h 25mMultiple Airlines
Deal found 12/18$1,711

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 December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,072
(Kiwi.com)

One-way from

$367
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$2,169

Good round-trip deal

$1,051 or less

Good one-way deal

$562 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
From District of Columbia to Incheon Intl
One-way flight from District of Columbia to Incheon Intl
Highest demand for flights based on searches. 3% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($66 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from District of Columbia to Incheon Intl.
Price to beat on a one-way flight from District of Columbia to Incheon Intl.

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 December 21, 2025.
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 1/20

5:26 pm-6:35 pm

2 stops35h 09m

Incheon Intl

Sat 1/24

8:35 pm-5:04 pm

2 stops34h 29m

$1,126

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 1/13

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

Thu 1/29

8:35 pm-5:56 pm

2 stops35h 21m

$1,152

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 1/10

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

Thu 1/29

8:35 pm-5:56 pm

2 stops35h 21m

$1,152

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 1/10

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

Sun 1/25

8:35 pm-5:56 pm

2 stops59h 21m

$1,156

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 1/12

6:56 pm-6:35 pm

2 stops57h 39m

Incheon Intl

Mon 1/26

8:35 pm-5:56 pm

2 stops35h 21m

$1,176

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sat 2/28

6:20 pm-6:35 pm

2 stops34h 15m

Incheon Intl

Sat 3/7

8:35 pm-4:27 pm

2 stops57h 52m

$1,238

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 2/2

5:26 pm-9:25 pm

2 stops37h 59m

Incheon Intl

Mon 2/9

10:00 am-4:31 pm

2 stops44h 31m

$1,242

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 5/1

4:30 pm-11:30 am

2 stops30h 00m

Incheon Intl

Sat 5/16

12:45 pm-7:36 am

2 stops31h 51m

$1,246

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 2/21

6:59 pm-6:35 pm

2 stops33h 36m

Incheon Intl

Sun 3/8

8:35 pm-5:59 pm

2 stops34h 24m

$1,248

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 4/21

7:01 pm-2:05 pm

2 stops30h 04m

Incheon Intl

Wed 5/13

3:10 pm-12:55 am

2 stops46h 45m

$1,254

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

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 $368). 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 December 21, 2025.

When flying from District of Columbia to Incheon Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 19% versus a flight at noon.

What is the cheapest day to fly from District of Columbia to Incheon Intl Airport?

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

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

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 December 21, 2025.

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).

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.
  • 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 $469 on American Airlines. Other airlines that offer cheap prices include United Airlines from $476 and Turkish Airlines from $492 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 $2,474, our data shows the cheapest flight currently is $486. When looking at the most popular route, (Washington, D.C. Dulles Intl - Incheon Intl), you can expect to pay $863 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 $368). 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.

Top 8 airlines flying from District of Columbia to Incheon Intl

Discover the top 8 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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$317Average$1,463FlexibilityNo cancel feeOn-time69%
DeltaCheapest$392Average$1,630FlexibilityNo cancel feeOn-timeN/A
Air ChinaCheapest$591Average$747FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$716Average$1,193FlexibilityNo cancel feeOn-time71%
Asiana AirlinesCheapest$759Average$2,072FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$791Average$992FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$990Average$1,426FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,059Average$1,773FlexibilityNo cancel feeOn-time81%

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