Cheap Flights from Kelso from ฿2,470

View ฿2,470 flight on Wed, 25 Mar 2026Opens in a new window

Popular airlines from Kelso

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

  • 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 Kelso

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.

Alaska Airlines
Tue, 17 Mar - Wed, 18 Mar
PDX
Portland
SFO
San Francisco
฿3,045 Return, found 2 days ago
฿3,045
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 17 Mar from Portland to San Francisco, returning Wed, 18 Mar, priced at ฿3,045 found 2 days ago
Alaska Airlines
Sat, 2 May - Wed, 13 May
PDX
Portland
SFO
San Francisco
฿3,670 Return, found 2 days ago
฿3,670
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 2 May from Portland to San Francisco, returning Wed, 13 May, priced at ฿3,670 found 2 days ago
Alaska Airlines
Tue, 7 Apr - Tue, 21 Apr
PDX
Portland
SFO
San Francisco
฿3,985 Return, found 2 days ago
฿3,985
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 7 Apr from Portland to San Francisco, returning Tue, 21 Apr, priced at ฿3,985 found 2 days ago
Alaska Airlines
Mon, 16 Mar - Wed, 18 Mar
PDX
Portland
SFO
San Francisco
฿4,200 Return, found 2 days ago
฿4,200
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 16 Mar from Portland to San Francisco, returning Wed, 18 Mar, priced at ฿4,200 found 2 days ago
Delta
Wed, 18 Mar - Tue, 31 Mar
PDX
Portland
SFO
San Francisco
฿4,300 Return, found 2 days ago
฿4,300
Return
found 2 days ago
Select Delta flight, departing Wed, 18 Mar from Portland to San Francisco, returning Tue, 31 Mar, priced at ฿4,300 found 2 days ago
Delta
Tue, 7 Apr - Sat, 18 Apr
PDX
Portland
LAX
Los Angeles
฿4,360 Return, found 6 days ago
฿4,360
Return
found 6 days ago
Select Delta flight, departing Tue, 7 Apr from Portland to Los Angeles, returning Sat, 18 Apr, priced at ฿4,360 found 6 days ago
Delta
Tue, 28 Apr - Sat, 16 May
PDX
Portland
SFO
San Francisco
฿4,615 Return, found 2 days ago
฿4,615
Return
found 2 days ago
Select Delta flight, departing Tue, 28 Apr from Portland to San Francisco, returning Sat, 16 May, priced at ฿4,615 found 2 days ago
Alaska Airlines
Tue, 17 Mar - Thu, 2 Apr
PDX
Portland
SFO
San Francisco
฿4,830 Return, found 2 days ago
฿4,830
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 17 Mar from Portland to San Francisco, returning Thu, 2 Apr, priced at ฿4,830 found 2 days ago
United
Sat, 4 Apr - Tue, 14 Apr
PDX
Portland
SFO
San Francisco
฿5,860 Return, found 2 days ago
฿5,860
Return
found 2 days ago
Select United flight, departing Sat, 4 Apr from Portland to San Francisco, returning Tue, 14 Apr, priced at ฿5,860 found 2 days ago
American Airlines
Fri, 24 Apr - Mon, 27 Apr
PDX
Portland
SFO
San Francisco
฿7,735 Return, found 2 days ago
฿7,735
Return
found 2 days ago
Select American Airlines flight, departing Fri, 24 Apr from Portland to San Francisco, returning Mon, 27 Apr, priced at ฿7,735 found 2 days ago

Travel information

Flights from Kelso: Essential Travel Information

Cheapest flight from Kelso
฿3,045 (roundtrip)
Best airlines to fly from Kelso
Delta, Alaska Airlines, United, American Airlines
Cheapest month to fly from Kelso
March
Kelso IATA code
PDX
Kelso Country/State
Washington
Airline ticket deals from Kelso
฿3,045 - ฿7,735

 

*Available to Expedia members.