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How much is the cheapest flight to Tri-Cities?

Prices were available within the past 7 days and start at ₩218,700 for one-way flights and ₩382,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

Sat, Jul 12 - Sun, Jul 13

SEA

Seattle

PSC

Pasco

₩382,700

Roundtrip

found 1 day ago

Sat, Jul 12 - Sun, Jul 13

SEA

Seattle

PSC

Pasco

₩437,400

Roundtrip

found 1 day ago

Sat, Jul 12 - Sun, Jul 13

SEA

Seattle

PSC

Pasco

₩437,700

Roundtrip

found 1 day ago

Thu, Aug 14 - Wed, Aug 20

ORD

Chicago

PSC

Pasco

₩511,000

Roundtrip

found 1 day ago

Thu, Aug 14 - Wed, Aug 20

ORD

Chicago

PSC

Pasco

₩621,100

Roundtrip

found 1 day ago

Searching for cheap flights to Tri-Cities? No travel company presents more choices than Expedia if you're looking to compare flights to Tri-Cities. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Washington. Expedia provides the cheapest flights to many destinations in Washington and you may find even greater savings if you combine your flight with a hotel stay in Tri-Cities.