$423 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 8/22. 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
Incheon1 stop$856
Jeju City
Jeju City3 stops$1,289
Busan
Busan1 stop$1,187
Seoul
Incheon1 stop$856
Jeju City
Jeju City3 stops$1,289
Busan
Busan1 stop$1,187

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

Tue, Nov 3 - Thu, Dec 3
United Airlines Logo
6:35 pm - 5:40 am
BWI
-
ICN
21h 05m
1 stop
United Airlines Logo
12:45 pm - 8:57 pm
ICN
-
BWI
22h 12m
2 stops
$856United Airlines
Tue, Nov 3 - Thu, Dec 3
United Airlines Logo
4:16 pm - 5:40 am
BWI
-
ICN
23h 24m
2 stops
United Airlines Logo
12:45 pm - 8:57 pm
ICN
-
BWI
22h 12m
2 stops
$861United Airlines
Mon, Nov 9 - Mon, Nov 16
Asiana Airlines Logo
6:35 pm - 5:40 am
BWI
-
ICN
21h 05m
1 stop
Asiana Airlines Logo
6:00 pm - 5:58 am
ICN
-
BWI
25h 58m
1 stop
$905Asiana Airlines
Wed, Sep 2 - Tue, Sep 15
Asiana Airlines Logo
8:00 am - 4:20 am
BWI
-
ICN
31h 20m
1 stop
Asiana Airlines Logo
11:30 am - 5:40 pm
ICN
-
BWI
19h 10m
1 stop
$911Asiana Airlines
Fri, Oct 2 - Mon, Oct 5
AIR PREMIA Logo
1:20 pm - 5:55 pm
IAD
-
ICN
15h 35mnonstop
AIR PREMIA Logo
10:00 am - 10:50 am
ICN
-
IAD
13h 50mnonstop
$1,098AIR PREMIA
Sun, Oct 11 - Fri, Oct 30
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
$1,101AIR PREMIA
Mon, Aug 10 - Tue, Aug 25
Korean Air Logo
1:30 pm - 7:55 pm
IAD
-
TAE
17h 25m
1 stop
Korean Air Logo
7:55 am - 12:34 am
TAE
-
IAD
29h 39m
2 stops
$1,576Korean Air
Mon, Aug 10 - Tue, Aug 25
Korean Air Logo
6:00 am - 7:55 pm
IAD
-
TAE
24h 55m
2 stops
Korean Air Logo
7:55 am - 12:34 am
TAE
-
IAD
29h 39m
2 stops
$1,582Korean Air
Mon, Aug 10 - Tue, Aug 25
Delta Logo
6:00 am - 7:55 pm
BWI
-
TAE
24h 55m
2 stops
Delta Logo
7:55 am - 6:20 am
TAE
-
BWI
35h 25m
2 stops
$1,600Delta
Wed, Sep 2 - Sun, Sep 20
Delta Logo
1:15 pm - 7:55 pm
IAD
-
TAE
17h 40m
1 stop
Delta Logo
7:55 am - 11:05 am
TAE
-
IAD
16h 10m
1 stop
$1,612Delta
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 $986 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 $986.

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 in the afternoon, when round-trip flights cost $1,285 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 $1,367.

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 $1,277, 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 October, when tickets cost $197 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $2,083 and $1,963 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

$423
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.