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District of Columbia

$381+ Cheap flights from Seoul (SEL) to District of Columbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$385
(Jetabroad)

One-way from

$382
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$871

Good round-trip deal

$1,526 or less

Good one-way deal

$1,105 or less
From Seoul (SEL) to District of Columbia
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One-way flight from Seoul (SEL) to District of Columbia
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Highest demand for flights based on searches. 17% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seoul (SEL) to District of Columbia.
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Price to beat on a one-way flight from Seoul (SEL) to District of Columbia.
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Find 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 September 15, 2025.

This Onlinetour deal was found by Cheapflights users on 9/13. 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 Onlinetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:05 pmICN - DCA
1 stop35h 59mAir Canada
Mon 9/224:35 pmDCA - ICN
1 stop34h 40mAir Canada
Deal found 9/13$381
This Jetabroad deal was found by Cheapflights users on 9/13. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:10 pmICN - IAD
1 stop38h 19mAir Canada
Tue 11/44:25 pmIAD - ICN
2 stops34h 45mAir Canada
Deal found 9/13$385
This Onlinetour deal was found by Cheapflights users on 9/13. 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 Onlinetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:05 pmICN - IAD
1 stop31h 33mAir Canada
Mon 9/222:25 pmIAD - ICN
1 stop38h 05mAir Canada
Deal found 9/13$388
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Fri 10/245:45 pmICN - DCA
2 stops31h 23mAir Canada
Sun 11/94:10 pmDCA - ICN
2 stops35h 00mAir Canada
Deal found 9/13$446
This Gotogate deal was found by Cheapflights users on 9/14. 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 10/295:55 pmICN - DCA
2 stops31h 24mAir Canada
Wed 11/511:05 amDCA - ICN
2 stops40h 05mAir Canada
Deal found 9/14$452
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/245:45 pmICN - IAD
2 stops28h 53mAir Canada
Sun 11/94:25 pmIAD - ICN
2 stops34h 45mAir Canada
Deal found 9/13$462
This Air Canada deal was found by Cheapflights users on 9/13. 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 11/196:55 pmICN - IAD
2 stops30h 28mAir Canada
Wed 2/119:45 amIAD - ICN
2 stops41h 25mAir Canada
Deal found 9/13$471
This Air Canada deal was found by Cheapflights users on 9/13. 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 11/196:55 pmICN - DCA
2 stops29h 31mAir Canada
Thu 2/124:10 pmDCA - ICN
2 stops35h 00mAir Canada
Deal found 9/13$471
This Air Canada deal was found by Cheapflights users on 9/12. 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 11/126:55 pmICN - IAD
2 stops30h 28mAir Canada
Tue 2/35:48 pmIAD - ICN
2 stops33h 22mAir Canada
Deal found 9/12$472
This Air Canada deal was found by Cheapflights users on 9/12. 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 11/126:55 pmICN - DCA
2 stops29h 31mAir Canada
Thu 2/54:10 pmDCA - ICN
2 stops35h 00mAir Canada
Deal found 9/12$472
This WhyPayMore deal was found by Cheapflights users on 9/14. 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 11/76:55 pmICN - IAD
2 stops39h 31mAir Canada
Fri 11/214:25 pmIAD - ICN
2 stops34h 45mAir Canada
Deal found 9/14$475
This Priceline deal was found by Cheapflights users on 9/14. 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.
Thu 11/206:55 pmICN - IAD
2 stops35h 14mAir Canada
Thu 12/44:30 pmIAD - ICN
2 stops34h 40mAir Canada
Deal found 9/14$477

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 September 15, 2025.
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 - IAD

ICNIAD

Incheon Intl

Sat 2/28

6:00 pm-5:09 am

2 stops25h 09m

Washington, D.C. Dulles Intl

Sat 3/7

5:30 pm-5:40 am

1 stop22h 10m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 12/3

6:00 pm-5:27 am

1 stop25h 27m

Washington, D.C. Dulles Intl

Sun 12/7

5:15 pm-5:40 am

2 stops22h 25m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 11/20

12:45 pm-11:44 pm

2 stops24h 59m

Washington, D.C. Dulles Intl

Thu 12/4

6:30 am-4:15 pm

1 stop19h 45m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 11/24

6:00 pm-5:16 am

2 stops25h 16m

Washington, D.C. Dulles Intl

Thu 12/4

6:39 pm-5:40 am

1 stop21h 01m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 10/29

11:55 am-6:55 am

1 stop32h 00m

Washington, D.C. Dulles Intl

Wed 11/5

6:30 am-4:15 pm

1 stop19h 45m

$503

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

12:45 pm-11:59 pm

2 stops25h 14m

Washington, D.C. Reagan-National

Mon 2/23

5:50 pm-4:15 pm

1 stop32h 25m

$503

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 12/3

6:00 pm-8:58 am

2 stops28h 58m

Washington, D.C. Reagan-National

Sun 12/7

12:00 pm-5:40 am

2 stops27h 40m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 11/18

12:45 pm-4:27 pm

1 stop17h 42m

Washington, D.C. Dulles Intl

Mon 2/9

4:10 pm-5:40 am

1 stop23h 30m

$504

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 11/19

12:45 pm-9:21 pm

2 stops22h 36m

Washington, D.C. Dulles Intl

Thu 2/12

6:20 am-4:15 pm

1 stop19h 55m

$504

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 11/12

6:00 pm-9:43 pm

1 stop17h 43m

Washington, D.C. Reagan-National

Thu 2/5

3:30 pm-5:40 am

2 stops24h 10m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, August is the cheapest month in which you can book a flight from Seoul to District of Columbia (average of $292). Flying from Seoul to District of Columbia in April is currently the most expensive (average of $337). 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 September 15, 2025.

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 September 15, 2025.

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).

How much does it cost to fly round-trip from Seoul to District of Columbia?

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 September 15, 2025.
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.
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

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
8.0
Very good
7,954 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

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
8,929 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

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
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

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
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

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 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 United Airlines and ANA fly from Seoul to District of Columbia in about 25h 09m. The time it takes to get you to your destination can typically vary by up to 9h 36m. Airlines will cover a distance of 6939 mi. This flight may include one or multiple stops.

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

    The most popular route from Seoul to District of Columbia is Incheon Intl - Washington, D.C. Dulles Intl. You may also consider Incheon Intl - Washington, D.C. Reagan-National or Seoul Gimpo Intl - Washington, D.C. Reagan-National.

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

    Looking at all options, your cheapest flight can be booked for $983. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $490 on average, our data indicates $1,425 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, August is the cheapest month in which you can book a flight from Seoul to District of Columbia (average of $292). Flying from Seoul to District of Columbia in April is currently the most expensive (average of $337). 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.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$590Average$964FlexibilityNo cancel feeOn-time71%
DeltaCheapest$649Average$1,516FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$676Average$825FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$688Average$980FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$1,184Average$1,404FlexibilityNo cancel feeOn-time81%

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