Cheap Flights from Tri-Cities from ฿4,710

View ฿4,710 flight on Sat, 31 Oct 2026Opens in a new window

Popular airlines

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • Aeromexico

  • British Airways

  • Korean Air

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Tri-Cities

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿10,400 Return, found 22 hours ago
฿10,400
Return
found 22 hours ago
Select Delta flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿10,400 found 22 hours ago
American Airlines
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿10,570 Return, found 22 hours ago
฿10,570
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿10,570 found 22 hours ago
Delta
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿11,255 Return, found 22 hours ago
฿11,255
Return
found 22 hours ago
Select Delta flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿11,255 found 22 hours ago
Delta
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿11,390 Return, found 22 hours ago
฿11,390
Return
found 22 hours ago
Select Delta flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿11,390 found 22 hours ago
Alaska Airlines
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿12,535 Return, found 22 hours ago
฿12,535
Return
found 22 hours ago
Select Alaska Airlines flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿12,535 found 22 hours ago
American Airlines
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿12,540 Return, found 22 hours ago
฿12,540
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿12,540 found 22 hours ago
United
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿21,245 Return, found 22 hours ago
฿21,245
Return
found 22 hours ago
Select United flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿21,245 found 22 hours ago
Delta
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿21,510 Return, found 22 hours ago
฿21,510
Return
found 22 hours ago
Select Delta flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿21,510 found 22 hours ago
American Airlines
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿22,660 Return, found 22 hours ago
฿22,660
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿22,660 found 22 hours ago
United
Sat, 31 Oct - Sun, 28 Feb
PSC
Pasco
SEA
Seattle
฿22,790 Return, found 22 hours ago
฿22,790
Return
found 22 hours ago
Select United flight, departing Sat, 31 Oct from Pasco to Seattle, returning Sun, 28 Feb, priced at ฿22,790 found 22 hours ago

Travel information

Flights from Tri-Cities: Essential Travel Information

Cheapest flight from Tri-Cities
฿10,400 (roundtrip)
Best airlines to fly from Tri-Cities
Delta, American Airlines, United, Alaska Airlines
Cheapest month to fly from Tri-Cities
October
Tri-Cities IATA code
PSC
Tri-Cities Country/State
Washington
Airline ticket deals from Tri-Cities
฿10,400 - ฿22,790

 

*Available to Expedia members.