How many flights depart from District of Columbia to Seoul on average per day?

As of July 2026, 2 flights take off from District of Columbia and land in Seoul each day. The most common flight departure time for this route is 1:00PM, with 100% of daily flights taking off in the afternoon.

What airlines fly to Seoul?

AIR PREMIA, Korean Air and Delta are the top three most popular airlines that fly to Seoul from District of Columbia according to our data. AIR PREMIA is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 9 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from District of Columbia to Seoul?

Cathay Pacific, EVA Air, and Japan Airlines are the most popular carriers operating from District of Columbia to Seoul

How many flights depart from District of Columbia to Seoul on average per week?

18 flights are operational weekly from District of Columbia to Seoul as of July 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

When did momondo last update prices for flights from District of Columbia to Seoul?

Prices for flights from District of Columbia to Seoul are refreshed on a daily basis.

How many operators does momondo search for flights from District of Columbia to Seoul?

The number of operators available for flights from District of Columbia to Seoul is 9 as of July 2026.

How old do you have to be to fly from District of Columbia to Seoul?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Seoul.

What documentation or ID do you need to fly to Seoul?

The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$420 Cheap Flights from District of Columbia to Seoul in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Seoul

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:05 pm - 5:15 pm

IAD

ICN

31h 10m

1 stop

12:20 am - 3:55 pm

ICN

IAD

29h 35m

1 stop

$963Qatar Airways

Sun, Nov 1 - Sat, Nov 7

9:00 pm - 5:05 pm

IAD

ICN

31h 05m

1 stop

12:20 am - 8:30 am

ICN

IAD

46h 10m

1 stop

$967Qatar Airways

Mon, Aug 24 - Fri, Dec 18

9:00 pm - 5:05 pm

IAD

ICN

31h 05m

1 stop

12:20 am - 4:55 pm

ICN

IAD

29h 35m

1 stop

$973Qatar Airways

Sun, Sep 13 - Tue, Oct 27

11:00 pm - 11:35 am

IAD

ICN

23h 35m

1 stop

1:05 pm - 7:30 pm

ICN

IAD

19h 25m

1 stop

$981Air China

Fri, Sep 11 - Fri, Oct 16

6:00 pm - 8:10 pm

DCA

ICN

37h 10m

2 stops

7:15 pm - 5:59 pm

ICN

DCA

35h 44m

1 stop

$1,079Multiple Airlines

Fri, Aug 21 - Mon, Aug 31

6:59 pm - 9:40 pm

DCA

ICN

37h 41m

1 stop

7:15 pm - 12:49 pm

ICN

DCA

30h 34m

2 stops

$1,082Multiple Airlines

Tue, Sep 22 - Wed, Sep 30

1:15 am - 7:15 pm

IAD

GMP

29h 00m

1 stop

1:50 pm - 10:00 pm

GMP

IAD

21h 10m

1 stop

$1,184EVA Air

Mon, Sep 7 - Sat, Sep 12

1:15 am - 7:15 pm

IAD

GMP

29h 00m

1 stop

1:50 pm - 10:00 pm

GMP

IAD

21h 10m

1 stop

$1,371EVA Air

Mon, Oct 12 - Sat, Oct 24

11:31 am - 9:15 pm

DCA

GMP

20h 44m

2 stops

12:05 pm - 8:03 am

GMP

DCA

32h 58m

2 stops

$1,471Japan Airlines

Mon, Sep 14 - Mon, Oct 26

7:45 am - 10:05 pm

DCA

GMP

25h 20m

2 stops

12:05 pm - 10:29 pm

GMP

DCA

24h 24m

2 stops

$1,477Japan Airlines

Tue, Oct 27 - Wed, Nov 4

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Cathay Pacific flights from District of Columbia to Seoul

Our best Cathay Pacific deals on District of Columbia to Seoul flight tickets

Cathay Pacific

Sep 9

DCA6:30 amWashington, D.C. Reagan-National

26h 55m

2 stops

ICN10:25 pmIncheon Intl

Sep 28

ICN8:00 amIncheon Intl

25h 06m

2 stops

DCA8:06 pmWashington, D.C. Reagan-National

$1,110

Cathay Pacific

Aug 4

DCA11:35 amWashington, D.C. Reagan-National

37h 30m

2 stops

ICN2:05 pmIncheon Intl

Aug 30

ICN8:00 amIncheon Intl

28h 58m

2 stops

DCA11:58 pmWashington, D.C. Reagan-National

$1,275

Cathay Pacific

Aug 3

IAD7:31 pmWashington, D.C. Dulles Intl

29h 34m

2 stops

ICN2:05 pmIncheon Intl

Aug 30

ICN1:40 pmIncheon Intl

61h 22m

2 stops

IAD2:02 pmWashington, D.C. Dulles Intl

$1,285

Delta flights from District of Columbia to Seoul

Our best Delta deals on District of Columbia to Seoul flight tickets

Delta

Jul 22

DCA7:45 amWashington, D.C. Reagan-National

20h 35m

1 stop

ICN5:20 pmIncheon Intl

Aug 4

ICN6:50 pmIncheon Intl

17h 58m

1 stop

DCA11:48 pmWashington, D.C. Reagan-National

$1,326

Delta

Aug 3

DCA6:30 pmWashington, D.C. Reagan-National

20h 30m

1 stop

ICN4:00 amIncheon Intl

Aug 7

ICN10:15 amIncheon Intl

21h 30m

1 stop

DCA6:45 pmWashington, D.C. Reagan-National

$1,376

Delta

Aug 3

DCA6:10 amWashington, D.C. Reagan-National

22h 10m

2 stops

ICN5:20 pmIncheon Intl

Aug 10

ICN7:30 pmIncheon Intl

27h 39m

1 stop

DCA10:09 amWashington, D.C. Reagan-National

$1,381

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sun 11/1

8:05 pm-5:15 pm

1 stop31h 10m

Incheon Intl

Sat 11/7

12:20 am-3:55 pm

1 stop29h 35m

$963

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 8/24

9:00 pm-5:05 pm

1 stop31h 05m

Incheon Intl

Fri 12/18

12:20 am-8:30 am

1 stop46h 10m

$967

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sun 9/13

9:00 pm-5:05 pm

1 stop31h 05m

Incheon Intl

Tue 10/27

12:20 am-4:55 pm

1 stop29h 35m

$973

Quickest round-trip

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 9/11

11:00 pm-11:35 am

1 stop23h 35m

Incheon Intl

Fri 10/16

1:05 pm-7:30 pm

1 stop19h 25m

$981

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Fri 8/21

6:00 pm-8:10 pm

2 stops37h 10m

Incheon Intl

Mon 8/31

7:15 pm-5:59 pm

1 stop35h 44m

$1,079

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 9/22

6:59 pm-9:40 pm

1 stop37h 41m

Incheon Intl

Wed 9/30

7:15 pm-12:49 pm

2 stops30h 34m

$1,082

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/7

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Sat 9/12

1:50 pm-10:00 pm

1 stop21h 10m

$1,184

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 10/12

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Sat 10/24

1:50 pm-10:00 pm

1 stop21h 10m

$1,371

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 9/14

11:31 am-9:15 pm

2 stops20h 44m

Seoul Gimpo Intl

Mon 10/26

12:05 pm-8:03 am

2 stops32h 58m

$1,471

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Tue 10/27

7:45 am-10:05 pm

2 stops25h 20m

Seoul Gimpo Intl

Wed 11/4

12:05 pm-10:29 pm

2 stops24h 24m

$1,477

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from District of Columbia to Seoul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Seoul?

The month of October is another great option to travel to Seoul, with average flight prices from District of Columbia averaging around $1,333.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from District of Columbia. The lowest ticket price found for a Tuesday departure recently was $1,250. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,505.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from District of Columbia at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,282 when looking at flights departing at noon. In the morning is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,366 per ticket.

What is the cheapest District of Columbia to Seoul flight route?

Fly from Washington, D.C. Dulles Intl to Incheon Intl for the best District of Columbia - Seoul flight prices

How far in advance should I book a flight from District of Columbia to Seoul?

You are more likely to see cheaper flights to Seoul from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,598 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from District of Columbia for as low as $1,339 on momondo.

What cabin class options are available on District of Columbia to Seoul flights?

There are 4 cabin classes available to choose from on District of Columbia to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to Seoul flights?

You could potentially save up to 10% on your flight if you consider stops on a District of Columbia to Seoul flight.

Cheap District of Columbia to Seoul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Seoul

Best Price Found	$549
Fastest flight time	15h 10m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Seoul	2 airports

The best one-way flight to Seoul from District of Columbia in the past 72 hours is $549. The best round-trip flight deal from District of Columbia to Seoul found on momondo in the last 72 hours is $1,117.

The fastest flight from District of Columbia to Seoul takes 15h 10m

Direct flights go from District of Columbia to Seoul on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

There are 2 airports in Seoul. From District of Columbia there are direct flights to Incheon Intl (ICN).

Search flight deals

Frequently asked questions about flying from District of Columbia to Seoul

When did momondo last update prices for flights from District of Columbia to Seoul?
Prices for flights from District of Columbia to Seoul are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Seoul?
The number of operators available for flights from District of Columbia to Seoul is 9 as of July 2026.
How old do you have to be to fly from District of Columbia to Seoul?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Seoul.
What documentation or ID do you need to fly to Seoul?
The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from District of Columbia to Seoul?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to Seoul is Boeing 777-300ER (65.82% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (31.74%), Boeing 777 (0.74%), and Boeing 747 (0.69%).

Best airlines flying from District of Columbia to Seoul

Compare and see reviews for airlines that fly from District of Columbia to Seoul with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $397	Free Cancellation	Rating 7.8 8,477 reviews	Search Delta flights
United Airlines	PriceFrom $426	Free Cancellation	Rating 7.4 10,018 reviews	Search United Airlines flights
Air Canada	PriceFrom $441	Free Cancellation	Rating 7.1 11,369 reviews	Search Air Canada flights
AIR PREMIA	PriceFrom $679	Free Cancellation	Rating 8.1 101 reviews	Search AIR PREMIA flights
American Airlines	PriceFrom $716	Free Cancellation	Rating 7.1 11,838 reviews	Search American Airlines flights
Air China	PriceFrom $729	Free Cancellation	Rating 7.4 156 reviews	Search Air China flights
EVA Air	PriceFrom $875	Free Cancellation	Rating 8.5 1,502 reviews	Search EVA Air flights
Turkish Airlines	PriceFrom $929	Free Cancellation	Rating 7.4 4,450 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $1,385	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Seoul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to Seoul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from District of Columbia to Seoul with flexible booking policies on momondo?

Flights from District of Columbia to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from District of Columbia to Seoul?

Once all potential District of Columbia to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from District of Columbia to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for District of Columbia to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Seoul Gimpo Intl Airport

Incheon Intl Airport

Cheap flights from District of Columbia to Seoul from $420

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Seoul departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from District of Columbia to Seoul

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Cathay Pacific flights from District of Columbia to Seoul

Our best Cathay Pacific deals on District of Columbia to Seoul flight tickets

Delta flights from District of Columbia to Seoul

Our best Delta deals on District of Columbia to Seoul flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Seoul that are best for you.

See travel insights to Seoul from

How to get the cheapest flight ticket from District of Columbia to Seoul

What is the cheapest month to fly to Seoul?

What is the cheapest day to depart on your flight to Seoul?

What is the cheapest time of day to depart on your flight to Seoul?

What is the cheapest District of Columbia to Seoul flight route?

How far in advance should I book a flight from District of Columbia to Seoul?

What cabin class options are available on District of Columbia to Seoul flights?

Can stopping save me money on District of Columbia to Seoul flights?

What is the cheapest airline that flies from District of Columbia to Seoul?

What airlines fly to Seoul?

How many flights depart from District of Columbia to Seoul on average per day?

How many flights depart from District of Columbia to Seoul on average per week?

Cheap District of Columbia to Seoul flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Seoul

Frequently asked questions about flying from District of Columbia to Seoul

Best airlines flying from District of Columbia to Seoul

Compare and see reviews for airlines that fly from District of Columbia to Seoul with momondo

Why use momondo?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from District of Columbia

According to popular flight searches on momondo this year

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