Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Seoul from $464

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Seoul departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 pm - 5:10 amDCA-ICN
45h 10m2 stops
Multiple Airlines Logo
6:55 pm - 5:56 pmICN-DCA
37h 01m1 stop
$1,040Multiple Airlines
Find Deal
Thu, Nov 27 - Wed, Jan 21
Multiple Airlines Logo
5:00 pm - 9:35 pmDCA-ICN
38h 35m2 stops
Multiple Airlines Logo
6:55 pm - 5:56 pmICN-DCA
37h 01m1 stop
$1,043Multiple Airlines
Find Deal
Wed, Nov 26 - Wed, Jan 21
China Eastern Logo
11:10 am - 1:30 pmDCA-ICN
36h 20m2 stops
China Eastern Logo
12:55 pm - 6:00 pmICN-DCA
43h 05m2 stops
$1,050China Eastern
Find Deal
Mon, Nov 3 - Mon, Nov 17
Multiple Airlines Logo
6:59 pm - 8:30 pmDCA-ICN
35h 31m1 stop
Multiple Airlines Logo
6:55 pm - 5:59 pmICN-DCA
37h 04m1 stop
$1,052Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Philippine Airlines Logo
8:35 am - 6:10 amDCA-ICN
55h 35m2 stops
Philippine Airlines Logo
8:35 pm - 8:44 pmICN-DCA
38h 09m2 stops
$1,162Philippine Airlines
Find Deal
Sat, Nov 8 - Tue, Nov 18
Philippine Airlines Logo
5:21 pm - 6:10 amDCA-ICN
47h 49m2 stops
Philippine Airlines Logo
8:35 pm - 8:44 pmICN-DCA
38h 09m2 stops
$1,187Philippine Airlines
Find Deal
Sat, Nov 1 - Sun, Nov 9
ANA Logo
2:00 pm - 11:20 amDCA-GMP
31h 20m2 stops
ANA Logo
7:50 pm - 11:58 amGMP-DCA
30h 08m2 stops
$1,679ANA
Find Deal
Tue, Nov 18 - Tue, Nov 25
Japan Airlines Logo
6:32 am - 6:20 pmDCA-GMP
21h 48m2 stops
Japan Airlines Logo
8:00 am - 10:35 pmGMP-DCA
28h 35m2 stops
$1,714Japan Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 26
Japan Airlines Logo
5:45 pm - 6:20 pmDCA-GMP
34h 35m2 stops
Japan Airlines Logo
7:40 pm - 12:53 pmGMP-DCA
31h 13m2 stops
$1,721Japan Airlines
Find Deal
Sun, Nov 23 - Wed, Jan 21
ANA Logo
2:00 pm - 11:20 amDCA-GMP
31h 20m2 stops
ANA Logo
7:50 pm - 1:07 pmGMP-DCA
31h 17m2 stops
$1,851ANA
Find Deal
Thu, Jan 8 - Wed, Feb 11

Philippine Airlines flights from Washington, D.C. Reagan-National Airport to Seoul

Our best Philippine Airlines deals on Washington, D.C. Reagan-National Airport to Seoul flight tickets
Philippine Airlines
Nov 8
DCA8:35 amWashington, D.C. Reagan-National
55h 35m
2 stops
ICN6:10 amIncheon Intl
Nov 18
ICN8:35 pmIncheon Intl
38h 09m
2 stops
DCA8:44 pmWashington, D.C. Reagan-National
$1,162
Find similar
Philippine Airlines
Nov 1
DCA5:21 pmWashington, D.C. Reagan-National
47h 49m
2 stops
ICN6:10 amIncheon Intl
Nov 9
ICN8:35 pmIncheon Intl
38h 09m
2 stops
DCA8:44 pmWashington, D.C. Reagan-National
$1,187
Find similar
Philippine Airlines
Nov 1
DCA5:21 pmWashington, D.C. Reagan-National
47h 49m
2 stops
ICN6:10 amIncheon Intl
Nov 10
ICN7:30 amIncheon Intl
46h 25m
2 stops
DCA3:55 pmWashington, D.C. Reagan-National
$1,190
Find similar

Cathay Pacific flights from Washington, D.C. Reagan-National Airport to Seoul

Our best Cathay Pacific deals on Washington, D.C. Reagan-National Airport to Seoul flight tickets
Cathay Pacific
Oct 20
DCA7:02 pmWashington, D.C. Reagan-National
28h 38m
2 stops
ICN12:40 pmIncheon Intl
Oct 28
ICN7:35 pmIncheon Intl
37h 41m
2 stops
DCA8:16 pmWashington, D.C. Reagan-National
$1,233
Find similar
Cathay Pacific
Oct 20
DCA5:15 pmWashington, D.C. Reagan-National
31h 50m
2 stops
ICN2:05 pmIncheon Intl
Oct 30
ICN7:35 pmIncheon Intl
37h 41m
2 stops
DCA8:16 pmWashington, D.C. Reagan-National
$1,268
Find similar
Cathay Pacific
Oct 19
DCA10:55 amWashington, D.C. Reagan-National
38h 10m
2 stops
ICN2:05 pmIncheon Intl
Nov 5
ICN7:35 pmIncheon Intl
41h 25m
2 stops
DCA11:00 pmWashington, D.C. Reagan-National
$1,283
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Seoul 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, momondo users made 832,500 searches. Data last updated October 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 11/27

6:00 pm-5:10 am

2 stops45h 10m

Incheon Intl

Wed 1/21

6:55 pm-5:56 pm

1 stop37h 01m

$1,040

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 11/26

5:00 pm-9:35 pm

2 stops38h 35m

Incheon Intl

Wed 1/21

6:55 pm-5:56 pm

1 stop37h 01m

$1,043

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 11/3

11:10 am-1:30 pm

2 stops36h 20m

Incheon Intl

Mon 11/17

12:55 pm-6:00 pm

2 stops43h 05m

$1,050

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 12/6

6:59 pm-8:30 pm

1 stop35h 31m

Incheon Intl

Fri 12/12

6:55 pm-5:59 pm

1 stop37h 04m

$1,052

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 11/8

8:35 am-6:10 am

2 stops55h 35m

Incheon Intl

Tue 11/18

8:35 pm-8:44 pm

2 stops38h 09m

$1,162

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 11/1

5:21 pm-6:10 am

2 stops47h 49m

Incheon Intl

Sun 11/9

8:35 pm-8:44 pm

2 stops38h 09m

$1,187

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Tue 11/18

2:00 pm-11:20 am

2 stops31h 20m

Seoul Gimpo Intl

Tue 11/25

7:50 pm-11:58 am

2 stops30h 08m

$1,679

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 2/16

6:32 am-6:20 pm

2 stops21h 48m

Seoul Gimpo Intl

Thu 2/26

8:00 am-10:35 pm

2 stops28h 35m

$1,714

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Sun 11/23

5:45 pm-6:20 pm

2 stops34h 35m

Seoul Gimpo Intl

Wed 1/21

7:40 pm-12:53 pm

2 stops31h 13m

$1,721

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Thu 1/8

2:00 pm-11:20 am

2 stops31h 20m

Seoul Gimpo Intl

Wed 2/11

7:50 pm-1:07 pm

2 stops31h 17m

$1,851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seoul from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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

What is the cheapest month to fly to Seoul?

The month of September is another great option to travel to Seoul, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $1,137.

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 Washington, D.C. Reagan-National Airport. The lowest ticket price found for a Tuesday departure recently was $1,422. 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 $1,625.

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

Flying to Seoul from Washington, D.C. Reagan-National Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,179 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,689 per ticket.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Seoul flights?

You could potentially save up to 1% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Seoul flight.

When to book flights from Washington, D.C. Reagan-National Airport to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Seoul (DCA to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Seoul

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Seoul. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Seoul.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Seoul by plane?

    Seoul is 6936.4 mi away from Washington, D.C. Reagan-National. By plane, this route typically takes 20h 31m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Seoul?

    Prices for flights from Washington, D.C. Reagan-National Airport to Seoul were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Seoul?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Seoul?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Seoul.

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

    The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Seoul?

Best airlines flying from Washington, D.C. Reagan-National Airport to Seoul

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Seoul with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $864Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $877Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,583Free CancellationRating
8.4
1,145 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Seoul?

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

Can I find flights from Washington, D.C. to Seoul with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seoul from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Seoul?

momondo helps you find the best flight between Washington, D.C. and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 11/5
Wed 11/12
By creating a price alert you accept our terms of use and privacy policy.

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
Seoul Gimpo Intl Airport
Incheon Intl Airport