District of Columbia

$374+ Cheap flights from Seoul (SEL) 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — IAD
Mar 5 — Mar 121
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Cheap flight deals from Seoul to District of Columbia

Cheapest flights from Seoul to District of Columbia
Explore the most affordable flight options available from Seoul to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Gotogate deal was found by Cheapflights users on 2/1. 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.
Wed 2/185:55 pm
ICN
-
IAD
2 stops40h 59m
Air Canada
Wed 2/254:30 pm
IAD
-
ICN
2 stops33h 30m
Air Canada
Deal found 2/1$637
This WhyPayMore deal was found by Cheapflights users on 1/31. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:05 pm
ICN
-
IAD
1 stop29h 18m
Air Canada
Fri 7/179:55 am
IAD
-
ICN
1 stop18h 35m
Air Canada
Deal found 1/31$646
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Fri 5/15:45 pm
ICN
-
IAD
2 stops35h 45m
Air Canada
Sat 5/910:07 pm
IAD
-
ICN
2 stops52h 58m
Air Canada
Deal found 2/1$650
This Travelocity deal was found by Cheapflights users on 2/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:45 pm
ICN
-
IAD
2 stops26h 59m
Air Canada
Mon 9/148:20 am
IAD
-
ICN
1 stop18h 45m
Air Canada
Deal found 2/1$659
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Wed 5/135:45 pm
ICN
-
DCA
2 stops31h 16m
Air Canada
Thu 5/2112:45 pm
DCA
-
ICN
2 stops38h 20m
Air Canada
Deal found 2/1$659
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Wed 5/135:45 pm
ICN
-
IAD
2 stops27h 05m
Air Canada
Wed 6/179:45 am
IAD
-
ICN
2 stops41h 20m
Air Canada
Deal found 2/1$662
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Tue 2/246:55 pm
ICN
-
IAD
2 stops30h 51m
Air Canada
Thu 3/510:09 pm
IAD
-
ICN
2 stops29h 01m
Air Canada
Deal found 2/1$667
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Mon 4/135:45 pm
ICN
-
IAD
2 stops34h 54m
Air Canada
Thu 4/239:55 am
IAD
-
ICN
2 stops41h 10m
Air Canada
Deal found 2/1$671
This Gotogate deal was found by Cheapflights users on 2/1. 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.
Tue 4/77:05 pm
ICN
-
DCA
2 stops33h 25m
Air Canada
Tue 4/146:59 am
DCA
-
ICN
1 stop21h 31m
Air Canada
Deal found 2/1$672
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Wed 5/65:45 pm
ICN
-
IAD
2 stops27h 05m
Air Canada
Mon 6/1510:05 pm
IAD
-
ICN
1 stop29h 20m
Air Canada
Deal found 2/1$673
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Mon 5/115:45 pm
ICN
-
DCA
2 stops28h 08m
Air Canada
Wed 5/206:55 pm
DCA
-
ICN
2 stops32h 10m
Air Canada
Deal found 2/1$676
This Air Canada deal was found by Cheapflights users on 1/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:55 pm
ICN
-
IAD
2 stops40h 26m
Air Canada
Mon 3/99:00 am
IAD
-
ICN
1 stop19h 25m
Air Canada
Deal found 1/31$677

Find flight deals from Seoul to District of Columbia

Keep the following information in mind while searching for Seoul to District of Columbia flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$637
(Gotogate)

One-way from

$374
(Trip.com)

Popular in

August

Cheapest in

November

Average price

$667

Good round-trip deal

$1,207 or less

Good one-way deal

$801 or less
Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.
From Seoul (SEL) to District of Columbia
One-way flight from Seoul (SEL) to District of Columbia
Highest demand for flights based on searches. 20% potential increase in price ($260 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($72 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Seoul (SEL) to District of Columbia.
Price to beat on a one-way flight from Seoul (SEL) to District of Columbia.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul 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 February 3, 2026.
Use the filters below to find and compare flights from Seoul to District of Columbia that are best for you.

Fly from

Seoul

Fly to

District of Columbia

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 5/15

5:45 pm-12:01 pm

2 stops31h 16m

Washington, D.C. Reagan-National

Mon 6/1

12:45 pm-4:05 pm

2 stops38h 20m

$659

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 5/12

5:45 pm-12:01 pm

2 stops31h 16m

Washington, D.C. Reagan-National

Mon 5/25

11:00 am-5:30 pm

1 stop17h 30m

$678

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 5/13

5:45 pm-12:01 pm

2 stops31h 16m

Washington, D.C. Reagan-National

Sun 5/24

6:55 pm-5:30 pm

1 stop33h 35m

$678

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 5/15

7:05 pm-10:28 pm

1 stop16h 23m

Washington, D.C. Reagan-National

Tue 5/19

11:00 am-5:30 pm

1 stop17h 30m

$696

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sat 3/7

6:55 pm-5:05 pm

2 stops36h 10m

Washington, D.C. Reagan-National

Sun 5/10

12:45 pm-4:05 pm

2 stops38h 20m

$702

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 3/3

6:55 pm-8:55 am

2 stops28h 00m

Washington, D.C. Reagan-National

Tue 3/10

12:55 pm-5:25 pm

2 stops39h 30m

$728

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

7:15 pm-7:44 am

2 stops26h 29m

Washington, D.C. Reagan-National

Wed 3/4

6:30 am-4:45 pm

1 stop20h 15m

$806

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 5/22

11:30 am-1:17 am

1 stop26h 47m

Washington, D.C. Dulles Intl

Sun 7/26

5:55 pm-4:20 am

1 stop21h 25m

$841

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/21

7:35 pm-7:34 am

1 stop24h 59m

Washington, D.C. Dulles Intl

Wed 7/22

6:05 am-5:30 pm

1 stop22h 25m

$841

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 7/8

5:45 pm-12:00 pm

2 stops31h 15m

Washington, D.C. Reagan-National

Mon 7/20

9:40 am-4:25 pm

1 stop17h 45m

$864

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 60 results
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Best time to book a flight from Seoul to District of Columbia

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

What is the cheapest month to book a flight from Seoul to District of Columbia?

Currently, October is the cheapest month in which you can book a flight from Seoul to District of Columbia (average of $389). Flying from Seoul 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 SEL to DC?

Find hourly flight availability from Seoul 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 February 3, 2026.

When flying from Seoul 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 Seoul to District of Columbia

Explore weekly flight availability from Seoul 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 February 3, 2026.

The most flights from SEL 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 February 3, 2026.
See what other customers who have flown with Korean Air, Delta, and United Airlines from Seoul to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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!!

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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!!

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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!!

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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!!

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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!!

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Food

8.1

Crew

8.7

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 Seoul 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 Seoul to District of Columbia?

    Airlines like Air Canada, United Airlines, and Alaska Airlines fly from Seoul to District of Columbia in about 24h 59m. The time it takes to get you to your destination can typically vary by up to 6h 17m. Airlines will cover a distance of 6939 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $402. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Seoul to District of Columbia for a low price.

  • What are the most popular routes from Seoul to District of Columbia?

  • What are the cheapest flights from Seoul to District of Columbia?

    Looking at all options, your cheapest flight can be booked for $636. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $685 on average, our data indicates $1,219 when flying from Seoul to District of Columbia.

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

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

  • How can I find direct flights from Seoul 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 Seoul to District of Columbia.

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

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

    Currently, October is the cheapest month in which you can book a flight from Seoul to District of Columbia (average of $389). Flying from Seoul 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.

See more FAQs

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Alternative routes for Seoul to District of Columbia

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

Top 5 airlines flying from Seoul to District of Columbia

Discover the top 5 airlines that operate flights from Seoul 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$501Average$783FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$508Average$848FlexibilityNo cancel feeOn-time69%
DeltaCheapest$649Average$1,518FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$727Average$965FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,128Average$1,412FlexibilityNo cancel feeOn-time81%

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