Cheap Flights to Washington from ₩576,800

View ₩576,800 flight on Mon, May 11, 2026Opens in a new window

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Popular airlines to Washington

  • Alaska Airlines

  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

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How much is the cheapest flight to Washington?

Prices were available within the past 7 days and start at ₩576,800 for one-way flights and ₩1,149,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, May 11 - Sun, Jul 5
ICN
Seoul
SEA
Seattle
₩1,149,100 Roundtrip, found 4 days ago
₩1,149,100
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, May 11 from Seoul to Seattle, returning Sun, Jul 5, priced at ₩1,149,100 found 4 days ago
Air Canada
Tue, Oct 6 - Tue, Oct 13
ICN
Seoul
SEA
Seattle
₩1,180,800 Roundtrip, found 6 hours ago
₩1,180,800
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Tue, Oct 6 from Seoul to Seattle, returning Tue, Oct 13, priced at ₩1,180,800 found 6 hours ago
United
Wed, Oct 21 - Wed, Nov 4
ICN
Seoul
SEA
Seattle
₩1,189,100 Roundtrip, found 15 hours ago
₩1,189,100
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Oct 21 from Seoul to Seattle, returning Wed, Nov 4, priced at ₩1,189,100 found 15 hours ago
Air Canada
Wed, Oct 7 - Sun, Oct 18
ICN
Seoul
PDX
Portland
₩1,235,800 Roundtrip, just found
₩1,235,800
Roundtrip
just found
Select Air Canada flight, departing Wed, Oct 7 from Seoul to Portland, returning Sun, Oct 18, priced at ₩1,235,800 just found
Delta
Mon, May 11 - Mon, May 11
ICN
Seoul
SEA
Seattle
₩1,295,600 Roundtrip, found 6 days ago
₩1,295,600
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, May 11 from Seoul to Seattle, returning Mon, May 11, priced at ₩1,295,600 found 6 days ago
Singapore Airlines
Fri, Mar 12 - Sat, Mar 20
ICN
Seoul
SEA
Seattle
₩1,504,700 Roundtrip, found 2 hours ago
₩1,504,700
Roundtrip
found 2 hours ago
Select Singapore Airlines flight, departing Fri, Mar 12 from Seoul to Seattle, returning Sat, Mar 20, priced at ₩1,504,700 found 2 hours ago
Korean Air
Wed, Jun 3 - Wed, Aug 12
ICN
Seoul
SEA
Seattle
₩1,517,000 Roundtrip, found 5 hours ago
₩1,517,000
Roundtrip
found 5 hours ago
Select Korean Air flight, departing Wed, Jun 3 from Seoul to Seattle, returning Wed, Aug 12, priced at ₩1,517,000 found 5 hours ago
WestJet
Thu, Sep 10 - Thu, Sep 24
ICN
Seoul
SEA
Seattle
₩1,602,600 Roundtrip, found 16 hours ago
₩1,602,600
Roundtrip
found 16 hours ago
Select WestJet flight, departing Thu, Sep 10 from Seoul to Seattle, returning Thu, Sep 24, priced at ₩1,602,600 found 16 hours ago
Delta
Thu, Dec 24 - Sat, Jan 2
ICN
Seoul
GEG
Spokane
₩1,612,600 Roundtrip, found 1 day ago
₩1,612,600
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 24 from Seoul to Spokane, returning Sat, Jan 2, priced at ₩1,612,600 found 1 day ago
China Airlines
Thu, Oct 22 - Wed, Oct 28
ICN
Seoul
SEA
Seattle
₩1,671,700 Roundtrip, found 11 hours ago
₩1,671,700
Roundtrip
found 11 hours ago
Select China Airlines flight, departing Thu, Oct 22 from Seoul to Seattle, returning Wed, Oct 28, priced at ₩1,671,700 found 11 hours ago

Trending flights to Washington

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, May 11 - Sun, Jul 5
ICN
Seoul
SEA
Seattle
₩1,149,100 Roundtrip, found 4 days ago
₩1,149,100
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, May 11 from Seoul to Seattle, returning Sun, Jul 5, priced at ₩1,149,100 found 4 days ago

Frequently asked questions

How do I find cheap flights to Washington that have flexible change policies?
At Expedia, we've been channeling our inner acrobat to give you the most flexible fares available. Simply mark the "No change fee" box right under the "Flexible change policies" filter to find the best flights to Washington.
Which airlines fly to Washington?
Book your seat with any of these airlines and buckle up for new adventures in Washington:

  • Alaska Airlines - 9,739 flights to or near Washington each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) and 676 flights to Spokane Intl. Airport (GEG) per month.
  • American Airlines - 8,039 flights to or near Washington each month, including 7,284 flights to Ronald Reagan Washington National Airport (DCA) and 663 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 6,417 flights to or near Washington each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) and 1,516 flights to Ronald Reagan Washington National Airport (DCA) per month.

How can I find cheap tickets to Washington?
Start searching as early as possible, fly in or out of nearby airports, avoid peak travel periods — you're not short of ways! One more is to make the most of Expedia's "flexible dates" feature. Search for your Washington flight, then check out the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Washington was ₩1,149,100.
How much is a flight to Washington?
You could have purchased a return flight to Washington from anywhere between ₩1,149,100 and ₩1,671,700 in the last seven days. For one-way journeys from Seoul (ICN), the lowest amount paid during this time was ₩576,800.
What are the most popular airports to fly into in Washington?
Your budget, departure point and your chosen airline will help decide which of these major Washington airports you'll touch down at:

  • Seattle - Tacoma Intl. Airport (SEA) - 15,456 flights per month.
  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Spokane Intl. Airport (GEG) - 1,742 flights per month.

When is the cheapest time to fly to Washington?
If you're not fixed on what date you jet off to Washington, fly out early in the week. The cheapest day to take off is usually Tuesday, followed closely by Monday. Saturday is typically the priciest day, with many vacationers preferring to fly on the weekend.
How much is a plane ticket to Washington?
In the last seven days, plane tickets to Washington varied from ₩1,149,100 to ₩1,671,700.
What is the best time to go to Washington?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are a lovely time to travel to the exciting Washington city of Seattle. Average temperatures range between 55ºF and 75ºF across the season. The biggest crowds can be found here in March, May and June.
What months are the cheapest to book a flight to Washington?
The top month to purchase budget fares to Washington is February. It's worth noting that in the USA, the most expensive time to purchase a ticket is the festive month of December.

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About Washington

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About Washington

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