Cheap flights from Seaside

View AU$93 flight on Fri, 31 Oct 2025Opens in a new window

Popular airlines from Seaside

  • Alaska Airlines

    Alaska Airlines

  • United

    United

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

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

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Seaside

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
Sat, 25 Oct - Sat, 1 Nov
PDX
Portland
SEA
Seattle
AU$179 Return, found 3 days ago
AU$179
Return
found 3 days ago
Select Alaska Airlines flight, departing Sat, 25 Oct from Portland to Seattle, returning Sat, 1 Nov, priced at AU$179 found 3 days ago
Delta
Sat, 25 Oct - Sat, 1 Nov
PDX
Portland
SEA
Seattle
AU$180 Return, found 3 days ago
AU$180
Return
found 3 days ago
Select Delta flight, departing Sat, 25 Oct from Portland to Seattle, returning Sat, 1 Nov, priced at AU$180 found 3 days ago
Alaska Airlines
Fri, 31 Oct - Fri, 7 Nov
PDX
Portland
LAS
Las Vegas
AU$184 Return, found 5 days ago
AU$184
Return
found 5 days ago
Select Alaska Airlines flight, departing Fri, 31 Oct from Portland to Las Vegas, returning Fri, 7 Nov, priced at AU$184 found 5 days ago
Alaska Airlines
Thu, 25 Dec - Fri, 2 Jan
PDX
Portland
SFO
San Francisco
AU$187 Return, found 6 days ago
AU$187
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 25 Dec from Portland to San Francisco, returning Fri, 2 Jan, priced at AU$187 found 6 days ago
Delta
Sat, 22 Nov - Sun, 23 Nov
PDX
Portland
SEA
Seattle
AU$193 Return, found 5 days ago
AU$193
Return
found 5 days ago
Select Delta flight, departing Sat, 22 Nov from Portland to Seattle, returning Sun, 23 Nov, priced at AU$193 found 5 days ago
Delta
Sat, 25 Oct - Sat, 1 Nov
PDX
Portland
SEA
Seattle
AU$195 Return, found 3 days ago
AU$195
Return
found 3 days ago
Select Delta flight, departing Sat, 25 Oct from Portland to Seattle, returning Sat, 1 Nov, priced at AU$195 found 3 days ago
Alaska Airlines
Fri, 31 Oct - Fri, 7 Nov
PDX
Portland
LAS
Las Vegas
AU$199 Return, found 5 days ago
AU$199
Return
found 5 days ago
Select Alaska Airlines flight, departing Fri, 31 Oct from Portland to Las Vegas, returning Fri, 7 Nov, priced at AU$199 found 5 days ago
Alaska Airlines
Sat, 24 Jan - Wed, 28 Jan
PDX
Portland
SAN
San Diego
AU$205 Return, found 6 days ago
AU$205
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 24 Jan from Portland to San Diego, returning Wed, 28 Jan, priced at AU$205 found 6 days ago
American Airlines
Sat, 24 Jan - Wed, 28 Jan
PDX
Portland
CLD
Carlsbad
AU$241 Return, found 6 days ago
AU$241
Return
found 6 days ago
Select American Airlines flight, departing Sat, 24 Jan from Portland to Carlsbad, returning Wed, 28 Jan, priced at AU$241 found 6 days ago
United
Thu, 25 Dec - Fri, 2 Jan
PDX
Portland
SFO
San Francisco
AU$322 Return, found 6 days ago
AU$322
Return
found 6 days ago
Select United flight, departing Thu, 25 Dec from Portland to San Francisco, returning Fri, 2 Jan, priced at AU$322 found 6 days ago

Travel information

Travel information

Flights from Seaside: Essential Travel Information

Cheapest flight from Seaside
AU$179 (roundtrip)
Best airlines to fly from Seaside
Alaska Airlines, Delta, Hawaiian Airlines, American Airlines, United
Cheapest month to fly from Seaside
October
Seaside IATA code
PDX
Seaside Country/State
Oregon
Airline ticket deals from Seaside
AU$179 - AU$322

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.