$436 Find Cheap Flights from Washington, D.C. to South Korea - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to South Korea departing on 8/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Washington, D.C. to South Korea

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seoul
Incheonnonstop$952
Jeju City
Jeju City1 stop$1,320
Busan
Busan1 stop$1,047
Seoul
Incheonnonstop$952
Jeju City
Jeju City1 stop$1,320
Busan
Busan1 stop$1,047

Book Cheap Washington, D.C. to South Korea Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to South Korea that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to South Korea

Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
1:20 pm - 5:55 pm
IAD
-
ICN
15h 35mnonstop
Multiple Airlines Logo
7:15 pm - 8:04 am
ICN
-
IAD
25h 49m
2 stops
$952Multiple Airlines
Wed, Sep 2 - Tue, Sep 8
Qatar Airways Logo
9:00 pm - 11:25 am
IAD
-
ICN
25h 25m
1 stop
Qatar Airways Logo
1:20 am - 3:40 pm
ICN
-
IAD
27h 20m
1 stop
$962Qatar Airways
Wed, Sep 16 - Mon, Sep 21
EVA Air Logo
1:15 am - 6:45 pm
IAD
-
ICN
28h 30m
1 stop
EVA Air Logo
1:25 pm - 10:00 pm
ICN
-
IAD
21h 35m
1 stop
$968EVA Air
Wed, Sep 30 - Wed, Oct 14
EVA Air Logo
1:15 am - 12:10 pm
IAD
-
ICN
21h 55m
1 stop
EVA Air Logo
12:00 pm - 10:00 pm
ICN
-
IAD
23h 00m
1 stop
$968EVA Air
Tue, Oct 20 - Tue, Oct 27
Air China Logo
11:00 pm - 11:35 am
IAD
-
ICN
23h 35m
1 stop
Air China Logo
1:10 pm - 7:30 pm
ICN
-
IAD
19h 20m
1 stop
$982Air China
Tue, Oct 20 - Tue, Nov 10
Air China Logo
11:00 pm - 11:35 am
IAD
-
ICN
23h 35m
1 stop
Air China Logo
11:10 am - 6:30 pm
ICN
-
IAD
21h 20m
1 stop
$982Air China
Sun, Nov 8 - Sat, Nov 14
Turkish Airlines Logo
1:30 pm - 6:20 pm
IAD
-
ICN
38h 50m
1 stop
Turkish Airlines Logo
10:35 am - 7:25 pm
ICN
-
IAD
46h 50m
1 stop
$988Turkish Airlines
Wed, Nov 25 - Mon, Nov 30
Turkish Airlines Logo
1:30 pm - 6:20 pm
IAD
-
ICN
38h 50m
1 stop
Turkish Airlines Logo
12:05 am - 11:45 am
ICN
-
IAD
25h 40m
1 stop
$990Turkish Airlines
Fri, Oct 23 - Mon, Nov 2
AIR PREMIA Logo
1:20 pm - 5:55 pm
IAD
-
ICN
15h 35mnonstop
AIR PREMIA Logo
9:05 pm - 8:35 pm
ICN
-
IAD
13h 30mnonstop
$1,039AIR PREMIA
Mon, Oct 19 - Mon, Oct 26
AIR PREMIA Logo
1:20 pm - 5:55 pm
IAD
-
ICN
15h 35mnonstop
AIR PREMIA Logo
9:05 pm - 9:35 pm
ICN
-
IAD
13h 30mnonstop
$1,039AIR PREMIA
Booking Insights

KAYAK's insights & trends for Washington, D.C. to South Korea flights

Get data-powered insights and trends into flights from Washington, D.C. to South Korea to help you find the cheapest flights, the best time to fly and much more.

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

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to South Korea from Washington, D.C. found in the last 5 days was to Seoul, at $918 round-trip. The most popular route is from Washington, D.C. Dulles Intl Airport (IAD) to Incheon Intl Airport (ICN), and the cheapest round-trip airline ticket found on this route in the last 5 days was $918.

What is the cheapest time of day to fly to South Korea?

The average price for all round-trip flights from Washington, D.C. to South Korea depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to South Korea is generally at night, when round-trip flights cost $1,063 on average. The most expensive time of day to fly to South Korea is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,366.

Can I save money by flying with a layover from Washington, D.C. to South Korea?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $1,264, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Washington, D.C. to South Korea?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to South Korea, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. to South Korea is September, when tickets cost $1,315 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $2,013 and $1,633 respectively.

What’s the cheapest day of the week to fly from Washington, D.C. to South Korea?

The average price of all round-trip flights from Washington, D.C. to South Korea clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Washington, D.C. to South Korea, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from South Korea, Friday is the cheapest day to fly and Thursday is the most expensive.

How far in advance should I book a flight from Washington, D.C. to South Korea?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. to South Korea, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. to South Korea, you should book around 4 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Good to know

Low season

January

Cheapest flight

$436
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Washington Dulles Airport to Seoul Incheon Airport

FAQs - booking South Korea flights

  • How does KAYAK find such low prices on flights from Washington, D.C. to South Korea?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to South Korea.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to South Korea?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington, D.C. to South Korea is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to South Korea?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington, D.C. to South Korea with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to South Korea?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington, D.C. to South Korea up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to South Korea

Cabin class types available on flights to South Korea

Cabin classes available on flights to South Korea. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.