Cheap flights from Washington, D.C. to South Korea from $350

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. to South Korea departing on 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to South Korea

Cheap round-trip flights

 Logo
5:45 am - 10:00 pmBWI-ICN
27h 15m2 stops
 Logo
12:45 pm - 10:33 pmICN-BWI
22h 48m2 stops
Sun, Sep 14 - Sat, Oct 11
Air China Logo
11:00 pm - 4:35 pmIAD-ICN
28h 35m1 stop
Air China Logo
1:05 pm - 7:30 pmICN-IAD
19h 25m1 stop
$729Air China
Find Deal
Tue, Sep 2 - Tue, Oct 14
Turkish Airlines Logo
9:40 pm - 5:40 pmIAD-ICN
31h 00m1 stop
Turkish Airlines Logo
10:20 am - 11:45 amICN-IAD
38h 25m1 stop
$825Turkish Airlines
Find Deal
Mon, Aug 25 - Fri, Aug 29
Turkish Airlines Logo
1:30 pm - 8:40 amIAD-ICN
30h 10m1 stop
Turkish Airlines Logo
11:20 pm - 11:45 amICN-IAD
25h 25m1 stop
$969Turkish Airlines
Find Deal
Sat, Aug 23 - Fri, Aug 29
Air Canada Logo
9:40 am - 6:25 pmDCA-ICN
18h 45m1 stop
Air Canada Logo
6:55 pm - 10:26 amICN-DCA
29h 31m2 stops
$979Air Canada
Find Deal
Wed, Jan 7 - Wed, Feb 11
Air Canada Logo
9:00 am - 6:25 pmIAD-ICN
19h 25m1 stop
Air Canada Logo
6:55 pm - 4:13 pmICN-IAD
35h 18m2 stops
$979Air Canada
Find Deal
Wed, Jan 7 - Wed, Jan 14
Delta Logo
7:35 pm - 7:45 amBWI-PUS
23h 10m2 stops
Delta Logo
8:05 am - 3:50 pmPUS-BWI
20h 45m2 stops
$1,453Delta
Find Deal
Fri, Sep 12 - Fri, Sep 19
Delta Logo
6:00 am - 7:35 pmBWI-PUS
24h 35m2 stops
Delta Logo
10:40 am - 11:49 pmPUS-BWI
26h 09m2 stops
$1,585Delta
Find Deal
Tue, Sep 23 - Tue, Sep 30
Korean Air Logo
11:50 am - 4:05 pmIAD-PUS
38h 15m1 stop
Korean Air Logo
3:50 pm - 9:50 amPUS-IAD
32h 00m1 stop
$1,899Korean Air
Find Deal
Sun, Nov 9 - Sun, Nov 16
Korean Air Logo
1:30 pm - 7:45 amIAD-PUS
29h 15m1 stop
Korean Air Logo
8:05 am - 10:55 amPUS-IAD
15h 50m1 stop
$10,184Korean Air
Find Deal
Thu, Aug 28 - Thu, Sep 4

Turkish Airlines flights from Washington, D.C. to South Korea

Our best Turkish Airlines deals on Washington, D.C. to South Korea flight tickets
Turkish Airlines
Aug 25
IAD9:40 pmWashington, D.C. Dulles Intl
31h 00m
1 stop
ICN5:40 pmIncheon Intl
Aug 29
ICN10:20 amIncheon Intl
38h 25m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Turkish Airlines
Aug 23
IAD1:30 pmWashington, D.C. Dulles Intl
30h 10m
1 stop
ICN8:40 amIncheon Intl
Aug 29
ICN11:20 pmIncheon Intl
25h 25m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Turkish Airlines
Nov 4
IAD1:30 pmWashington, D.C. Dulles Intl
38h 50m
1 stop
ICN6:20 pmIncheon Intl
Nov 17
ICN12:10 amIncheon Intl
25h 35m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl

Air China flights from Washington, D.C. to South Korea

Our best Air China deals on Washington, D.C. to South Korea flight tickets
Air China
Sep 2
IAD11:00 pmWashington, D.C. Dulles Intl
28h 35m
1 stop
ICN4:35 pmIncheon Intl
Oct 14
ICN1:05 pmIncheon Intl
19h 25m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Air China
Aug 29
IAD11:00 pmWashington, D.C. Dulles Intl
33h 45m
1 stop
ICN9:45 pmIncheon Intl
Sep 16
ICN1:05 pmIncheon Intl
19h 25m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Air China
Sep 5
IAD11:00 pmWashington, D.C. Dulles Intl
33h 45m
1 stop
ICN9:45 pmIncheon Intl
Sep 16
ICN1:05 pmIncheon Intl
19h 25m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to South Korea 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 July 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Sun 9/14

5:45 am-10:00 pm

2 stops27h 15m

Incheon Intl

Sat 10/11

12:45 pm-10:33 pm

2 stops22h 48m

$686

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 9/2

11:00 pm-4:35 pm

1 stop28h 35m

Incheon Intl

Tue 10/14

1:05 pm-7:30 pm

1 stop19h 25m

$729

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 8/25

9:40 pm-5:40 pm

1 stop31h 00m

Incheon Intl

Fri 8/29

10:20 am-11:45 am

1 stop38h 25m

$825

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sat 8/23

1:30 pm-8:40 am

1 stop30h 10m

Incheon Intl

Fri 8/29

11:20 pm-11:45 am

1 stop25h 25m

$969

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 1/7

9:40 am-6:25 pm

1 stop18h 45m

Incheon Intl

Wed 2/11

6:55 pm-10:26 am

2 stops29h 31m

$979

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 1/7

9:00 am-6:25 pm

1 stop19h 25m

Incheon Intl

Wed 1/14

6:55 pm-4:13 pm

2 stops35h 18m

$979

BaltimoreBusan

BWI - PUS

BWIPUS

Baltimore/Washington

Fri 9/12

7:35 pm-7:45 am

2 stops23h 10m

Busan Gimhae

Fri 9/19

8:05 am-3:50 pm

2 stops20h 45m

$1,453

BaltimoreBusan

BWI - PUS

BWIPUS

Baltimore/Washington

Tue 9/23

6:00 am-7:35 pm

2 stops24h 35m

Busan Gimhae

Tue 9/30

10:40 am-11:49 pm

2 stops26h 09m

$1,585

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Sun 11/9

11:50 am-4:05 pm

1 stop38h 15m

Busan Gimhae

Sun 11/16

3:50 pm-9:50 am

1 stop32h 00m

$1,899

Washington, D.C.Busan

IAD - PUS

IADPUS

Washington, D.C. Dulles Intl

Thu 8/28

1:30 pm-7:45 am

1 stop29h 15m

Busan Gimhae

Thu 9/4

8:05 am-10:55 am

1 stop15h 50m

$10,184

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to South Korea from

How to get the cheapest flight ticket from Washington, D.C. to South Korea

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 South Korea?

If you aren’t able to travel to South Korea during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,041.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Washington, D.C. is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,371. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to South Korea for around $2,164.

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

Flying to South Korea from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,163 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,893 on average. Flights to South Korea from Washington, D.C. in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Washington, D.C. to South Korea flight route?

Fly from Washington, D.C. Dulles Intl to Incheon Intl for the best Washington, D.C. - South Korea flight prices

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,434 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Washington, D.C. for as low as $999 on momondo.

What cabin class options are available on Washington, D.C. to South Korea flights?

There are 4 cabin classes available to choose from on Washington, D.C. to South Korea 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 Washington, D.C. to South Korea flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. to South Korea flight.

Cheap Washington, D.C. to South Korea flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to South Korea

Best Price Found

$350

Fastest flight time

17h 35m

Direct flights

Every day

Airports in South Korea

3 airports
The best one-way flight to South Korea from Washington, D.C. in the past 72 hours is $350. The best round-trip flight deal from Washington, D.C. to South Korea found on momondo in the last 72 hours is $686.
The fastest flight from Washington, D.C. to South Korea takes 17h 35m
Direct flights go from Washington, D.C. to South Korea every day.
There are 3 airports near South Korea: Incheon Intl (ICN), Seoul Gimpo Intl (GMP), Jeju City (CJU)

  • When did momondo last update prices for flights from Washington, D.C. to South Korea?

    Prices for flights from Washington, D.C. to South Korea were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to South Korea?

  • How old do you have to be to fly from Washington, D.C. to South Korea?

    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. to South Korea.

  • What documentation or ID do you need to fly to South Korea?

    The required travel and health documents for your South Korea 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 South Korea. 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 Washington, D.C. to South Korea?


Best airlines flying from Washington, D.C. to South Korea

Compare and see reviews for airlines that fly from Washington, D.C. to South Korea with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $367Free CancellationRating
7.4
8,902 reviews
Search United Airlines flights
Air ChinaPriceFrom $591Free CancellationRating
7.3
93 reviews
Search Air China flights
Asiana AirlinesPriceFrom $759Free CancellationRating
8.2
468 reviews
Search Asiana Airlines flights
Turkish AirlinesPriceFrom $800Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $864Free CancellationRating
7.1
9,842 reviews
Search Air Canada flights
American AirlinesPriceFrom $876Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $877Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Korean AirPriceFrom $1,074Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to South Korea flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to South Korea that suits you.

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

momondo does allow users to show only those flights to South Korea 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 South Korea?

Once all potential Washington, D.C. to South Korea 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 Washington, D.C. to South Korea right now. Can momondo alert me if prices change?

Price alerts on flights to South Korea from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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Tue 8/5
Tue 8/12

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