Cheap flights from Knappa

View AU$84 flight on Tue, 13 Oct 2026Opens in a new window

Flight 1

Popular airlines

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • Southwest Airlines

  • Air Canada

  • Frontier Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Knappa

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
Mon, 5 Oct - Mon, 12 Oct
PDX
Portland
SFO
San Francisco
AU$166 Return, found 2 days ago
AU$166
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 5 Oct from Portland to San Francisco, returning Mon, 12 Oct, priced at AU$166 found 2 days ago
Alaska Airlines
Mon, 2 Nov - Mon, 16 Nov
PDX
Portland
SFO
San Francisco
AU$167 Return, found 6 days ago
AU$167
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 2 Nov from Portland to San Francisco, returning Mon, 16 Nov, priced at AU$167 found 6 days ago
Alaska Airlines
Mon, 5 Oct - Mon, 12 Oct
PDX
Portland
SFO
San Francisco
AU$181 Return, found 2 days ago
AU$181
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 5 Oct from Portland to San Francisco, returning Mon, 12 Oct, priced at AU$181 found 2 days ago
Alaska Airlines
Mon, 2 Nov - Mon, 16 Nov
PDX
Portland
SFO
San Francisco
AU$181 Return, found 6 days ago
AU$181
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 2 Nov from Portland to San Francisco, returning Mon, 16 Nov, priced at AU$181 found 6 days ago
Alaska Airlines
Fri, 25 Sept - Mon, 28 Sept
PDX
Portland
SFO
San Francisco
AU$189 Return, found 2 days ago
AU$189
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 25 Sept from Portland to San Francisco, returning Mon, 28 Sept, priced at AU$189 found 2 days ago
Alaska Airlines
Fri, 6 Nov - Tue, 17 Nov
PDX
Portland
SFO
San Francisco
AU$191 Return, found 6 days ago
AU$191
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 6 Nov from Portland to San Francisco, returning Tue, 17 Nov, priced at AU$191 found 6 days ago
Delta
Mon, 5 Oct - Mon, 12 Oct
PDX
Portland
SFO
San Francisco
AU$193 Return, found 2 days ago
AU$193
Return
found 2 days ago
Select Delta flight, departing Mon, 5 Oct from Portland to San Francisco, returning Mon, 12 Oct, priced at AU$193 found 2 days ago
American Airlines
Thu, 17 Sept - Wed, 23 Sept
PDX
Portland
SFO
San Francisco
AU$225 Return, found 2 days ago
AU$225
Return
found 2 days ago
Select American Airlines flight, departing Thu, 17 Sept from Portland to San Francisco, returning Wed, 23 Sept, priced at AU$225 found 2 days ago
United
Mon, 5 Oct - Mon, 12 Oct
PDX
Portland
SFO
San Francisco
AU$278 Return, found 2 days ago
AU$278
Return
found 2 days ago
Select United flight, departing Mon, 5 Oct from Portland to San Francisco, returning Mon, 12 Oct, priced at AU$278 found 2 days ago
Southwest Airlines
Sat, 26 Sept - Sat, 3 Oct
PDX
Portland
PHX
Phoenix
AU$403 Return, found 3 days ago
AU$403
Return
found 3 days ago
Select Southwest Airlines flight, departing Sat, 26 Sept from Portland to Phoenix, returning Sat, 3 Oct, priced at AU$403 found 3 days ago

Travel information

Flights from Knappa: Essential Travel Information

Cheapest flight from Knappa
AU$166 (roundtrip)
Best airlines to fly from Knappa
Alaska Airlines, Delta, American Airlines, United, Southwest Airlines
Cheapest month to fly from Knappa
October
Knappa IATA code
PDX
Knappa Country/State
Astoria
Airline ticket deals from Knappa
AU$166 - AU$403

Explore a world of travel with Expedia

*Available to Expedia members.