Cheap flights from Kelso

View AU$92 flight on Wed, 17 Dec 2025Opens in a new window

Popular airlines from Kelso

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Air Canada

    Air Canada

  • Frontier Airlines

    Frontier Airlines

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    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.

Delta
Wed, 3 Dec - Wed, 10 Dec
PDX
Portland
SEA
Seattle
AU$123 Return, found 17 hours ago
AU$123
Return
found 17 hours ago
Select Delta flight, departing Wed, 3 Dec from Portland to Seattle, returning Wed, 10 Dec, priced at AU$123 found 17 hours ago
Delta
Wed, 3 Dec - Wed, 10 Dec
PDX
Portland
SEA
Seattle
AU$184 Return, found 17 hours ago
AU$184
Return
found 17 hours ago
Select Delta flight, departing Wed, 3 Dec from Portland to Seattle, returning Wed, 10 Dec, priced at AU$184 found 17 hours ago
Delta
Sat, 29 Nov - Sat, 6 Dec
PDX
Portland
SEA
Seattle
AU$186 Return, found 4 days ago
AU$186
Return
found 4 days ago
Select Delta flight, departing Sat, 29 Nov from Portland to Seattle, returning Sat, 6 Dec, priced at AU$186 found 4 days ago
Alaska Airlines
Wed, 3 Dec - Wed, 10 Dec
PDX
Portland
SEA
Seattle
AU$197 Return, found 17 hours ago
AU$197
Return
found 17 hours ago
Select Alaska Airlines flight, departing Wed, 3 Dec from Portland to Seattle, returning Wed, 10 Dec, priced at AU$197 found 17 hours ago
Delta
Wed, 3 Dec - Wed, 10 Dec
PDX
Portland
SEA
Seattle
AU$198 Return, found 17 hours ago
AU$198
Return
found 17 hours ago
Select Delta flight, departing Wed, 3 Dec from Portland to Seattle, returning Wed, 10 Dec, priced at AU$198 found 17 hours ago
Alaska Airlines
Sat, 29 Nov - Sat, 6 Dec
PDX
Portland
SEA
Seattle
AU$214 Return, found 4 days ago
AU$214
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 29 Nov from Portland to Seattle, returning Sat, 6 Dec, priced at AU$214 found 4 days ago
Delta
Sat, 29 Nov - Sat, 6 Dec
PDX
Portland
SEA
Seattle
AU$215 Return, found 4 days ago
AU$215
Return
found 4 days ago
Select Delta flight, departing Sat, 29 Nov from Portland to Seattle, returning Sat, 6 Dec, priced at AU$215 found 4 days ago
American Airlines
Tue, 3 Feb - Mon, 23 Feb
PDX
Portland
LAX
Los Angeles
AU$259 Return, found 3 days ago
AU$259
Return
found 3 days ago
Select American Airlines flight, departing Tue, 3 Feb from Portland to Los Angeles, returning Mon, 23 Feb, priced at AU$259 found 3 days ago
United
Mon, 10 Nov - Thu, 13 Nov
PDX
Portland
SAN
San Diego
AU$369 Return, found 6 days ago
AU$369
Return
found 6 days ago
Select United flight, departing Mon, 10 Nov from Portland to San Diego, returning Thu, 13 Nov, priced at AU$369 found 6 days ago
Hawaiian Airlines
Thu, 4 Dec - Fri, 5 Dec
PDX
Portland
HNL
Oahu
AU$835 Return, found 4 hours ago
AU$835
Return
found 4 hours ago
Select Hawaiian Airlines flight, departing Thu, 4 Dec from Portland to Oahu, returning Fri, 5 Dec, priced at AU$835 found 4 hours ago

Flights from Kelso: Essential Travel Information

Cheapest flight from Kelso
AU$123 (roundtrip)
Best airlines to fly from Kelso
Alaska Airlines, Delta, American Airlines, United, Hawaiian Airlines
Cheapest month to fly from Kelso
December
Kelso IATA code
PDX
Kelso Country/State
Washington
Airline ticket deals from Kelso
AU$123 - AU$835

Explore a world of travel with Expedia

*Available to Expedia members.