Cheap Flights to Washington County from ₩787,000

View ₩787,000 flight on Fri, Jan 30, 2026Opens in a new window

Popular airlines to Washington County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • JetBlue Airways

    JetBlue Airways

  • Alaska Airlines

    Alaska Airlines

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How much is the cheapest flight to Washington County?

Prices were available within the past 7 days and start at ₩787,000 for one-way flights and ₩1,102,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Apr 29 - Sat, May 9
ICN
Seoul
PIT
Pittsburgh
₩1,102,800 Roundtrip, found 4 days ago
₩1,102,800
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Seoul to Pittsburgh, returning Sat, May 9, priced at ₩1,102,800 found 4 days ago
Alaska Airlines
Fri, Feb 6 - Tue, Feb 17
ICN
Seoul
PIT
Pittsburgh
₩1,103,300 Roundtrip, found 4 days ago
₩1,103,300
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Feb 6 from Seoul to Pittsburgh, returning Tue, Feb 17, priced at ₩1,103,300 found 4 days ago
Alaska Airlines
Fri, Jan 30 - Wed, Feb 4
ICN
Seoul
PIT
Pittsburgh
₩1,104,500 Roundtrip, found 1 day ago
₩1,104,500
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Jan 30 from Seoul to Pittsburgh, returning Wed, Feb 4, priced at ₩1,104,500 found 1 day ago
Hawaiian Airlines
Fri, Mar 20 - Sat, Apr 4
ICN
Seoul
PIT
Pittsburgh
₩1,104,800 Roundtrip, found 1 day ago
₩1,104,800
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Fri, Mar 20 from Seoul to Pittsburgh, returning Sat, Apr 4, priced at ₩1,104,800 found 1 day ago
Alaska Airlines
Sun, Mar 8 - Wed, Mar 11
ICN
Seoul
PIT
Pittsburgh
₩1,177,800 Roundtrip, found 4 days ago
₩1,177,800
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sun, Mar 8 from Seoul to Pittsburgh, returning Wed, Mar 11, priced at ₩1,177,800 found 4 days ago
Alaska Airlines
Thu, Feb 5 - Thu, Feb 19
ICN
Seoul
PIT
Pittsburgh
₩1,178,300 Roundtrip, found 4 days ago
₩1,178,300
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Feb 5 from Seoul to Pittsburgh, returning Thu, Feb 19, priced at ₩1,178,300 found 4 days ago
Alaska Airlines
Sun, Mar 8 - Sat, Mar 21
ICN
Seoul
PIT
Pittsburgh
₩1,179,200 Roundtrip, found 3 days ago
₩1,179,200
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Mar 8 from Seoul to Pittsburgh, returning Sat, Mar 21, priced at ₩1,179,200 found 3 days ago
United
Fri, Jan 30 - Tue, Feb 3
ICN
Seoul
PIT
Pittsburgh
₩1,414,300 Roundtrip, found 1 day ago
₩1,414,300
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 30 from Seoul to Pittsburgh, returning Tue, Feb 3, priced at ₩1,414,300 found 1 day ago
Air Canada
Wed, Mar 4 - Tue, Mar 10
ICN
Seoul
PIT
Pittsburgh
₩1,485,200 Roundtrip, found 4 days ago
₩1,485,200
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Mar 4 from Seoul to Pittsburgh, returning Tue, Mar 10, priced at ₩1,485,200 found 4 days ago
Delta
Wed, Mar 4 - Wed, Mar 18
ICN
Seoul
PIT
Pittsburgh
₩1,743,000 Roundtrip, found 3 days ago
₩1,743,000
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Mar 4 from Seoul to Pittsburgh, returning Wed, Mar 18, priced at ₩1,743,000 found 3 days ago

About Washington County

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

Trending flights to Washington County

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
Wed, Apr 29 - Sat, May 9
ICN
Seoul
PIT
Pittsburgh
₩1,102,800 Roundtrip, found 4 days ago
₩1,102,800
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Apr 29 from Seoul to Pittsburgh, returning Sat, May 9, priced at ₩1,102,800 found 4 days ago
*Available to Expedia members.