Wander Wisely with exceptional service, 24/7 supportOpens in a new window
Feel at ease with free flight cancellations within 24 hours of booking
Change your flight without a fee on select flights
Selected fares from Seattle to Kennewick
The cheapest prices found with in the last 7 days for return flights were CA $247 and CA $124 for one-way flights to Kennewick for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue., 3 Jun. - Tue., 10 Jun.
SEA
Seattle - Tacoma Intl.
PSC
Tri-Cities
CA $247 Roundtrip, found 3 days ago
CA $247
Roundtrip
found 3 days ago
Tue., 3 Jun. - Tue., 10 Jun.
SEA
Seattle - Tacoma Intl.
PSC
Tri-Cities
CA $248 Roundtrip, found 3 days ago
CA $248
Roundtrip
found 3 days ago
Mon., 9 Dec. - Wed., 11 Dec.
SEA
Seattle - Tacoma Intl.
PSC
Tri-Cities
CA $501 Roundtrip, found 23 hours ago
CA $501
Roundtrip
found 23 hours ago
More to explore for Seattle to Kennewick
Flights to Cities near Kennewick
Other Flights to Kennewick
Most Popular
Flights
Flights from Calgary to Yellowstone National ParkFlights from Seattle to AnaheimFlights from Buffalo to ClearwaterFlights from Austin to ScottsdaleFlights from Winnipeg to OahuFlights from Calgary to Kailua-KonaFlights from Vancouver to HonoluluFlights from Edmonton to Yellowstone National ParkFlights from Omaha to TulumFlights from Edmonton to MauiFlights from Minneapolis - St. Paul to BanffFlights from Calgary to MauiFlights from Calgary to AnaheimFlights from Vancouver to MauiFlights from Vancouver to Tahoe CityFlights from Detroit to ScottsdaleFlights from Hamilton to SanfordFlights from Toronto to Tahoe CityFlights from Edmonton to KauaiFlights from Montreal to MauiFlights from Winnipeg to MauiFlights from Buffalo to St. PetersburgFlights from Toronto to Yellowstone National ParkFlights from Ottawa to HonoluluFlights from Toronto to MauiFlights from Vancouver to AnaheimFlights from Vancouver to KauaiFlights from Toronto to HonoluluFlights from Redding to AnaheimFlights from Ottawa to Kauai