Cheap Flights from Tri-Cities Airport to Seattle (SEA) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/8
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2025/8
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Tri-Cities－Seattle-Tacoma Airport
August Lowest Airfares
USD274

The airfare displayed above is for Alaska Airlines

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Tri-Cities－Seattle-Tacoma Airport
September Lowest Airfares
USD192

The airfare displayed above is for Delta Air Lines

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Tri-Cities－Seattle-Tacoma Airport
October Lowest Airfares
USD173

The airfare displayed above is for Delta Air Lines

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Tri-Cities－Seattle-Tacoma Airport
November Lowest Airfares
USD154

The airfare displayed above is for Delta Air Lines

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Tri-Cities－Seattle-Tacoma Airport
December Lowest Airfares -----

Pasco (Washington)－Seattle
Estimated Flight Time
1 Hours 06 Minutes
Pasco (Washington)－Seattle
Number of Operating Airlines
5

Operating Airlines for Tri-Cities－Seattle-Tacoma Airport Route
Non-StopAlaska Airlines

Non-StopDelta Air Lines

Non-StopLinear Air

United Airlines

LCCAmerican Airlines

Other Destinations from:Pasco (Washington)

Tri-Cities－Boston(Logan)
USD369〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Philadelphia Airport－Seattle(-Tacoma)
USD276〜
Phoenix Sky Harbor Airport－Seattle(-Tacoma)
USD96〜
Pittsburgh Airport－Seattle(-Tacoma)
USD193〜
Portland Jetport－Seattle(-Tacoma)
USD325〜
* Fares vary in accordance to seat availability