How does KAYAK find such low prices on flights from Washington to Seoul Incheon Airport?

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 to Seoul Incheon Airport. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Seoul Incheon Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul Incheon Airport from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Seoul Incheon Airport?

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 to Seoul Incheon Airport with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Seoul Incheon Airport?

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 to Seoul Incheon Airport from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$380 CHEAP FLIGHTS from Washington to Seoul Incheon (ICN)

ICN

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Cheap Flights from Washington to Incheon Intl

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Incheon Intl 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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to Incheon Intl

Wed, Oct 1 - Wed, Nov 19

5:30 am - 4:05 pmSEA-ICN

18h 35m1 stop

6:55 pm - 7:16 pmICN-SEA

17h 21m1 stop

$589Air Canada

Find Deal

Mon, Sep 15 - Wed, Sep 17

10:00 am - 4:05 pmSEA-ICN

14h 05m1 stop

9:45 am - 6:36 pmICN-SEA

24h 51m2 stops

$635

Find Deal

Thu, Aug 21 - Wed, Sep 3

7:40 am - 7:00 pmPDX-ICN

19h 20m1 stop

9:25 pm - 4:23 pmICN-PDX

34h 58m1 stop

$788Hawaiian Airlines

Find Deal

Sat, Aug 16 - Fri, Aug 22

9:40 pm - 7:00 pmPDX-ICN

29h 20m2 stops

9:25 pm - 4:31 pmICN-PDX

35h 06m2 stops

$791Alaska Airlines

Find Deal

Mon, Oct 20 - Mon, Oct 27

2:15 pm - 5:55 pmSEA-ICN

11h 40mnonstop

9:00 pm - 2:55 pmICN-SEA

9h 55mnonstop

$804Asiana Airlines

Find Deal

Sat, Aug 16 - Fri, Aug 22

5:35 pm - 7:00 pmPDX-ICN

33h 25m1 stop

9:25 pm - 1:49 pmICN-PDX

32h 24m2 stops

$808Alaska Airlines

Find Deal

Sat, Sep 6 - Sat, Nov 22

2:15 pm - 5:55 pmSEA-ICN

11h 40mnonstop

9:00 pm - 1:55 pmICN-SEA

9h 55mnonstop

$813Asiana Airlines

Find Deal

Mon, Sep 1 - Mon, Sep 29

7:45 am - 3:00 pmPDX-ICN

15h 15m1 stop

4:50 pm - 2:42 pmICN-PDX

13h 52m1 stop

$861United Airlines

Find Deal

Wed, Sep 10 - Mon, Sep 15

10:55 am - 4:20 amPDX-ICN

25h 25m2 stops

11:30 am - 6:32 pmICN-PDX

23h 02m1 stop

$866United Airlines

Find Deal

Thu, Oct 2 - Sat, Oct 18

4:46 pm - 6:35 pmPDX-ICN

33h 49m1 stop

8:35 pm - 5:56 pmICN-PDX

13h 21m1 stop

$868Hawaiian Airlines

Find Deal

Useful Info

Low season	January
High season	June
Cheapest flight	$380

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 28% increase in price.

Flight from Seattle to Seoul Incheon Airport

How does KAYAK find such low prices on flights from Washington to Seoul Incheon Airport?
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 to Seoul Incheon Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Seoul Incheon Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul Incheon Airport from Washington 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 to Seoul Incheon Airport?
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 to Seoul Incheon Airport with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Seoul Incheon Airport?
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 to Seoul Incheon Airport from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Seongnam

Anyang

Everything you need to know for your flight to Incheon Intl

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Seoul Incheon Airport (ICN)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

ICN

$380 Find Cheap Flights from Washington to Seoul Incheon Airport

KAYAK searches hundreds of travel sites at once for deals on flights to Incheon Intl Airport

Cheap Flights from Washington to Incheon Intl

Recent round-trip flight deals from Washington to Incheon Intl

Recent one-way flight deals from Washington to Incheon Intl

Recent last minute flight deals from Washington to Incheon Intl

Recent direct flight deals from Washington to Incheon Intl

Good to know

FAQs for booking Washington to Seoul Incheon Airport flights

How does KAYAK find such low prices on flights from Washington to Seoul Incheon Airport?

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 to Seoul Incheon Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Seoul Incheon Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul Incheon Airport from Washington 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 to Seoul Incheon Airport?

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 to Seoul Incheon Airport with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Seoul Incheon Airport?

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 to Seoul Incheon Airport from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Incheon Intl?

Everything you need to know for your flight to Incheon Intl

Information on your arrival and departure airports

Cabin class types available on flights to Incheon Intl

Complete your trip to Incheon Intl with a hotel stay or car rental

Find direct flights for Incheon Intl

Flights to other popular destinations

Flights from domestic origins to Washington

Choose which airport to fly into in Incheon

Find deals for your return flight