Cheap Flights to Washington from ₩747,400

View ₩747,400 flight on Mon, Jun 29, 2026Opens in a new window

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 ₩747,400 for one-way flights and ₩1,339,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jul 7 - Sat, Jul 11
BKK
Bangkok
SEA
Seattle
₩1,339,700 Roundtrip, found 5 days ago
₩1,339,700
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 7 from Bangkok to Seattle, returning Sat, Jul 11, priced at ₩1,339,700 found 5 days ago
Delta
Tue, Jul 7 - Sat, Jul 11
BKK
Bangkok
SEA
Seattle
₩1,418,600 Roundtrip, found 5 days ago
₩1,418,600
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jul 7 from Bangkok to Seattle, returning Sat, Jul 11, priced at ₩1,418,600 found 5 days ago
United
Wed, Jun 24 - Thu, Jul 9
ICN
Seoul
SEA
Seattle
₩1,449,800 Roundtrip, found 2 hours ago
₩1,449,800
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jun 24 from Seoul to Seattle, returning Thu, Jul 9, priced at ₩1,449,800 found 2 hours ago
Philippine Airlines
Mon, Sep 7 - Mon, Nov 9
ICN
Seoul
SEA
Seattle
₩1,484,700 Roundtrip, found 3 days ago
₩1,484,700
Roundtrip
found 3 days ago
Select Philippine Airlines flight, departing Mon, Sep 7 from Seoul to Seattle, returning Mon, Nov 9, priced at ₩1,484,700 found 3 days ago
Alaska Airlines
Fri, Jun 26 - Sun, Jul 12
ICN
Seoul
SEA
Seattle
₩1,493,900 Roundtrip, found 22 hours ago
₩1,493,900
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Fri, Jun 26 from Seoul to Seattle, returning Sun, Jul 12, priced at ₩1,493,900 found 22 hours ago
Singapore Airlines
Mon, Oct 19 - Fri, Oct 30
ICN
Seoul
SEA
Seattle
₩1,508,600 Roundtrip, found 1 day ago
₩1,508,600
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Mon, Oct 19 from Seoul to Seattle, returning Fri, Oct 30, priced at ₩1,508,600 found 1 day ago
Philippine Airlines
Sat, Jun 20 - Tue, Jun 23
BKK
Bangkok
PDX
Portland
₩1,519,100 Roundtrip, found 17 hours ago
₩1,519,100
Roundtrip
found 17 hours ago
Select Philippine Airlines flight, departing Sat, Jun 20 from Bangkok to Portland, returning Tue, Jun 23, priced at ₩1,519,100 found 17 hours ago
Air Canada
Tue, Jul 7 - Sat, Jul 11
BKK
Bangkok
SEA
Seattle
₩1,529,700 Roundtrip, found 5 days ago
₩1,529,700
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Jul 7 from Bangkok to Seattle, returning Sat, Jul 11, priced at ₩1,529,700 found 5 days ago
Korean Air
Tue, Jul 7 - Sat, Jul 11
BKK
Bangkok
SEA
Seattle
₩1,561,300 Roundtrip, found 5 days ago
₩1,561,300
Roundtrip
found 5 days ago
Select Korean Air flight, departing Tue, Jul 7 from Bangkok to Seattle, returning Sat, Jul 11, priced at ₩1,561,300 found 5 days ago
Hainan Airlines
Wed, Sep 16 - Thu, Oct 1
ICN
Seoul
SEA
Seattle
₩1,567,400 Roundtrip, found 2 days ago
₩1,567,400
Roundtrip
found 2 days ago
Select Hainan Airlines flight, departing Wed, Sep 16 from Seoul to Seattle, returning Thu, Oct 1, priced at ₩1,567,400 found 2 days 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.

United
Wed, Jun 24 - Thu, Jul 9
ICN
Seoul
SEA
Seattle
₩1,449,800 Roundtrip, found 2 hours ago
₩1,449,800
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jun 24 from Seoul to Seattle, returning Thu, Jul 9, priced at ₩1,449,800 found 2 hours 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 ₩1,339,700.
How much is a flight to Washington?
You could have purchased a return flight to Washington from anywhere between ₩1,339,700 and ₩1,567,400 in the last seven days. For one-way journeys from Seoul (ICN), the lowest amount paid during this time was ₩747,400.
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 ₩1,339,700 to ₩1,567,400.
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.

Book with confidence

About Washington

Expedia offers flights to Washington to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Washington or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Washington
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