Cheap Flights to Washington from ₩579,700

View ₩579,700 flight on Sun, Feb 8, 2026Opens in a new window

Popular airlines to Washington

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

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How much is the cheapest flight to Washington?

Prices were available within the past 7 days and start at ₩579,700 for one-way flights and ₩810,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, Feb 8 - Thu, Feb 12
ICN
Seoul
SEA
Seattle
₩810,500 Roundtrip, found 10 hours ago
₩810,500
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Sun, Feb 8 from Seoul to Seattle, returning Thu, Feb 12, priced at ₩810,500 found 10 hours ago
United
Sun, Feb 8 - Thu, Feb 12
ICN
Seoul
SEA
Seattle
₩821,200 Roundtrip, found 10 hours ago
₩821,200
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Feb 8 from Seoul to Seattle, returning Thu, Feb 12, priced at ₩821,200 found 10 hours ago
American Airlines
Fri, Feb 6 - Tue, Feb 17
ICN
Seoul
PDX
Portland
₩861,000 Roundtrip, found 10 hours ago
₩861,000
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Fri, Feb 6 from Seoul to Portland, returning Tue, Feb 17, priced at ₩861,000 found 10 hours ago
United
Fri, Dec 19 - Thu, Jan 1
ICN
Seoul
PSC
Pasco
₩868,000 Roundtrip, found 1 day ago
₩868,000
Roundtrip
found 1 day ago
Select United flight, departing Fri, Dec 19 from Seoul to Pasco, returning Thu, Jan 1, priced at ₩868,000 found 1 day ago
Delta
Tue, Feb 3 - Sat, Feb 14
ICN
Seoul
GEG
Spokane
₩880,600 Roundtrip, found 5 days ago
₩880,600
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Feb 3 from Seoul to Spokane, returning Sat, Feb 14, priced at ₩880,600 found 5 days ago
Delta
Fri, Feb 6 - Tue, Feb 17
ICN
Seoul
PDX
Portland
₩880,600 Roundtrip, found 10 hours ago
₩880,600
Roundtrip
found 10 hours ago
Select Delta flight, departing Fri, Feb 6 from Seoul to Portland, returning Tue, Feb 17, priced at ₩880,600 found 10 hours ago
Hawaiian Airlines
Thu, Dec 25 - Fri, Dec 26
ICN
Seoul
PDX
Portland
₩892,800 Roundtrip, found 10 hours ago
₩892,800
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Thu, Dec 25 from Seoul to Portland, returning Fri, Dec 26, priced at ₩892,800 found 10 hours ago
Alaska Airlines
Sat, May 2 - Sat, May 16
ICN
Seoul
PDX
Portland
₩892,800 Roundtrip, found 6 days ago
₩892,800
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 2 from Seoul to Portland, returning Sat, May 16, priced at ₩892,800 found 6 days ago
Alaska Airlines
Fri, Dec 26 - Fri, Jan 9
ICN
Seoul
SEA
Seattle
₩1,004,500 Roundtrip, found 1 day ago
₩1,004,500
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Dec 26 from Seoul to Seattle, returning Fri, Jan 9, priced at ₩1,004,500 found 1 day ago
Hawaiian Airlines
Sat, Jan 31 - Sat, Feb 7
ICN
Seoul
EAT
Wenatchee
₩1,037,300 Roundtrip, found 10 hours ago
₩1,037,300
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Sat, Jan 31 from Seoul to Wenatchee, returning Sat, Feb 7, priced at ₩1,037,300 found 10 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.

Air Canada
Sun, Feb 8 - Thu, Feb 12
ICN
Seoul
SEA
Seattle
₩810,500 Roundtrip, found 10 hours ago
₩810,500
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Sun, Feb 8 from Seoul to Seattle, returning Thu, Feb 12, priced at ₩810,500 found 10 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 ₩810,500.
How much is a flight to Washington?
You could have purchased a return flight to Washington from anywhere between ₩810,500 and ₩1,037,300 in the last seven days. For one-way journeys from Seoul (ICN), the lowest amount paid during this time was ₩579,700.
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 ₩810,500 to ₩1,037,300.
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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