Flights from Seattle Tacoma to Portland Oregon

Our cheapest offers for flights from Seattle Tacoma to Portland Oregon

Here you can compare cheap flights from Seattle Tacoma (SEA) to Portland Oregon (PDX) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Portland Oregon. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Seattle-Tacoma
Portland-Oregon
Outbound
10/18/25
direct
AS0707
01h 05min
Return
11/17/25
direct
AS2291
01h 01min
Alaska Airlines ?
$139
Seattle-Tacoma
Portland-Oregon
Pay attention to transfer at connecting flight
Outbound
10/18/25
1 Stopover (MSP)
SY0286, SY0297
28h 16min
Return
11/17/25
1 Stopover (LAS)
NK0786, NK0781
25h 18min
Sun Country Airlines
$364
Seattle-Tacoma
Portland-Oregon
Outbound
10/18/25
direct
AS0707
01h 05min
Return
11/17/25
direct
AS0499
00h 59min
Alaska Airlines
$146
Seattle-Tacoma
Portland-Oregon
Outbound
10/18/25
direct
HA6540
01h 05min
Return
11/17/25
direct
HA6402
00h 53min
Hawaiian Airlines
$146
Seattle-Tacoma
Portland-Oregon
Outbound
10/18/25
direct
AS2264
01h 00min
Return
11/17/25
direct
AS2188
00h 54min
Alaska Airlines ?
$159
Seattle-Tacoma
Portland-Oregon
Outbound
10/18/25
direct
HA6831
01h 00min
Return
11/17/25
direct
HA6402
00h 53min
Hawaiian Airlines ?
$246
Seattle-Tacoma
Portland-Oregon
Outbound
10/18/25
direct
HA6540
01h 05min
Return
11/17/25
direct
HA6399
01h 01min
Hawaiian Airlines ?
$265
Seattle-Tacoma
Portland-Oregon
Outbound
10/18/25
direct
HA6540
01h 05min
Return
11/17/25
direct
HA6399
01h 01min
Hawaiian Airlines ?
$653
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Seattle Tacoma to Portland Oregon

Favorite airline: Alaska Airlines
85 % of flights booked on the route from Seattle-Tacoma to Portland-Oregon are booked with Alaska Airlines, Delta and Spirit Airlines.
Alaska Airlines
51 %
Delta
23 %
Spirit Airlines
11 %
Direct flights are cheaper
Flights with a stopover are on average $132.00 more expensive than direct flights.
non stop flight
1 stop
08h 59min
$154
$286
The favorite connection is non-stop
80 % of all bookings on the route Seattle-Tacoma to Portland-Oregon are for non-stop flights.
Route
bookings
Direct flights
from $154
80 %
1 stopover Calgary International Airport-Banff
05h 32min, from $518
11 %
1 stopover Las Vegas - McCarran International Airport, NV
08h 59min, from $286
7 %

Important flight information

Flight information: Seattle-Tacoma - Portland-Oregon

Roundtrip from $138.29
Flight duration min. 00:45 / max. 01:02
Return flight duration min. 00:50/ max. 06:00
Distance 208 km
Flights per week 245
Departure airport Airport Seattle-Tacoma International Airport, WA (SEA)
Arrival airport Airport Portland International Airport, Oregon (PDX)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Portland-Oregon
Flight destinations with a similar price
Flight destinations with a similar price