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District of Columbia

$397+ Cheap flights from Incheon Intl (ICN) to District of Columbia

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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — IAD
ene. 20 — ene. 271
mar. 1/20
mar. 1/27
1 adult, Economy
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Cheap flight deals from Incheon Intl to District of Columbia

Cheapest flights from Incheon Intl to District of Columbia
Explore the most affordable flight options available from Incheon Intl to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 21, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:15 pmICN - DCA
2 stops25h 44mAmerican Airlines
lun. 2/236:30 amDCA - ICN
1 stop20h 15mAmerican Airlines
Deal found 12/19$482
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:15 pmICN - IAD
1 stop35h 01mAmerican Airlines
lun. 2/236:00 amIAD - ICN
1 stop20h 45mAmerican Airlines
Deal found 12/19$484
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:15 pmICN - DCA
2 stops27h 30mAmerican Airlines
lun. 2/166:35 pmDCA - ICN
1 stop32h 10mAmerican Airlines
Deal found 12/20$488
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:15 pmICN - IAD
1 stop35h 01mAmerican Airlines
lun. 2/165:46 pmIAD - ICN
1 stop32h 59mAmerican Airlines
Deal found 12/20$491
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2312:45 pmICN - IAD
1 stop26h 22mUnited Airlines
mar. 1/67:45 pmIAD - ICN
1 stop30h 30mUnited Airlines
Deal found 12/19$510
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2312:45 pmICN - DCA
1 stop22h 58mUnited Airlines
mar. 1/65:59 pmDCA - ICN
1 stop21h 41mUnited Airlines
Deal found 12/19$510
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/266:00 pmICN - IAD
1 stop34h 55mUnited Airlines
mié. 1/77:45 pmIAD - ICN
1 stop30h 30mUnited Airlines
Deal found 12/19$511
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/228:45 amICN - IAD
2 stops26h 14mMultiple Airlines
lun. 1/55:16 pmIAD - ICN
2 stops32h 44mMultiple Airlines
Deal found 12/19$523
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/257:15 pmICN - IAD
1 stop17h 18mAmerican Airlines
sáb. 1/34:29 pmIAD - ICN
2 stops34h 16mAmerican Airlines
Deal found 12/19$708
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/2612:45 pmICN - DCA
1 stop18h 12mUnited Airlines
mié. 1/75:59 pmDCA - ICN
1 stop32h 16mUnited Airlines
Deal found 12/19$713
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:00 pmICN - IAD
2 stops20h 15mUnited Airlines
sáb. 1/36:00 amIAD - ICN
2 stops39h 35mUnited Airlines
Deal found 12/18$721
This American Airlines deal was found by Cheapflights users on 12/21. 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.
mié. 12/247:15 pmICN - IAD
2 stops32h 12mAmerican Airlines
jue. 2/194:40 pmIAD - ICN
2 stops34h 05mAmerican Airlines
Deal found 12/21$732

Find flight deals from Incheon Intl to District of Columbia

Keep the following information in mind while searching for Incheon Intl to District of Columbia flight deals. Data was last updated diciembre 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$469
(American Airlines)

One-way from

$397
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$933

Good round-trip deal

$1,303 or less

Good one-way deal

$1,056 or less
Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.
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From Incheon Intl to District of Columbia
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One-way flight from Incheon Intl to District of Columbia
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($83 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Incheon Intl to District of Columbia.
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Price to beat on a one-way flight from Incheon Intl to District of Columbia.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to District of Columbia 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 diciembre 21, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to District of Columbia that are best for you.

Fly from

Incheon Intl

Fly to

District of Columbia

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

vie. 2/20

8:35 pm-4:06 pm

1 stop33h 31m

Washington, D.C. Reagan-National

sáb. 3/7

5:00 pm-6:35 pm

1 stop35h 35m

$584

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 5/6

11:30 am-11:13 pm

2 stops24h 43m

Washington, D.C. Dulles Intl

mié. 5/20

7:00 pm-3:00 pm

1 stop31h 00m

$605

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

mar. 2/3

6:00 pm-11:59 pm

2 stops19h 59m

Washington, D.C. Reagan-National

mar. 2/10

2:45 pm-5:40 am

2 stops24h 55m

$605

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

mié. 2/11

12:45 pm-4:52 pm

1 stop18h 07m

Washington, D.C. Reagan-National

lun. 3/9

12:32 pm-4:40 am

2 stops27h 08m

$605

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

jue. 1/29

12:45 pm-11:59 pm

2 stops25h 14m

Washington, D.C. Reagan-National

vie. 2/6

1:00 pm-5:40 am

2 stops26h 40m

$605

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 2/27

6:00 pm-5:18 am

2 stops25h 18m

Washington, D.C. Dulles Intl

sáb. 3/14

10:30 pm-3:15 pm

2 stops27h 45m

$639

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

jue. 1/29

12:45 pm-11:22 pm

2 stops24h 37m

Washington, D.C. Dulles Intl

vie. 2/6

10:20 pm-4:15 pm

1 stop27h 55m

$639

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

vie. 2/6

6:00 pm-11:59 pm

2 stops19h 59m

Washington, D.C. Reagan-National

dom. 2/8

3:30 pm-5:40 am

2 stops24h 10m

$639

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

vie. 3/13

11:45 am-9:45 pm

1 stop23h 00m

Washington, D.C. Reagan-National

mié. 8/12

12:40 pm-4:20 am

2 stops26h 40m

$682

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 2/11

12:45 pm-12:57 am

1 stop26h 12m

Washington, D.C. Dulles Intl

mié. 2/18

2:36 pm-5:40 am

1 stop25h 04m

$761

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 36 results
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Best time to book a flight from Incheon Intl to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to District of Columbia

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

Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to District of Columbia (average of $389). Flying from Incheon Intl Airport to District of Columbia in July is currently the most expensive (average of $954). 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 DC?

Find hourly flight availability from Incheon Intl to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 21, 2025.

When flying from Incheon Intl Airport to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Incheon Intl Airport to District of Columbia

Explore weekly flight availability from Incheon Intl to District of Columbia. 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 diciembre 21, 2025.

The most flights from ICN to USDC 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).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated diciembre 21, 2025.
Get a feel of what it's like to fly with Korean Air, Delta, and United Airlines from Incheon Intl Airport to District of Columbia by reading reviews from past customers. 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
1,185 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,185 reviews
Korean Air
8.4
Very good
1,185 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,021 reviews
Korean Air
8.4
Very good
1,185 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,099 reviews
Korean Air
8.4
Very good
1,185 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
American Airlines
7.2
Good
11,050 reviews
Korean Air
8.4
Very good
1,185 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,549 reviews
Korean Air
8.4
Very good
1,185 reviews

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

    Departing from Incheon Intl Airport to District of Columbia will take you 19h 59m. The distance from Incheon Intl Airport to District of Columbia is about 6953 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $437 on American Airlines. Other airlines that offer cheap prices include Air Canada from $437 and United Airlines from $443 one-way.

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

    The cheapest flight price from Incheon Intl Airport to District of Columbia is $1,052. On average you can expect to pay $1,285. The most popular route, (Incheon Intl - Washington, D.C. Dulles Intl), can usually be booked for $549.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to District of Columbia (average of $389). Flying from Incheon Intl Airport to District of Columbia in July is currently the most expensive (average of $954). 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.

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Alternative routes for Incheon Intl to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Incheon Intl to District of Columbia

Discover the top 5 airlines that operate flights from Incheon Intl to District of Columbia. 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 diciembre 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$501Average$723FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$512Average$732FlexibilityNo cancel feeOn-time69%
DeltaCheapest$649Average$1,520FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$688Average$980FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,195Average$1,406FlexibilityNo cancel feeOn-time81%

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