Popular airlines from Portland to Northwest Washington
Alaska Airlines
Hawaiian Airlines
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Cheap Flights from Portland to Northwest Washington (PDX-SEA)
Prices were available within the past 7 days and start at $79 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Aug 19 - Sat, Aug 23
PDX
Portland
SEA
Seattle
$117 Roundtrip, found 12 hours ago
$117
Roundtrip
found 12 hours ago
Tue, Sep 9 - Tue, Sep 16
PDX
Portland
SEA
Seattle
$117 Roundtrip, found 4 hours ago
$117
Roundtrip
found 4 hours ago
Sat, Sep 27 - Mon, Sep 29
PDX
Portland
SEA
Seattle
$127 Roundtrip, found 4 days ago
$127
Roundtrip
found 4 days ago
Sat, Aug 23 - Sun, Aug 24
PDX
Portland
SEA
Seattle
$157 Roundtrip, just found
$157
Roundtrip
just found
Sat, Sep 6 - Tue, Sep 9
PDX
Portland
SEA
Seattle
$173 Roundtrip, found 2 days ago
$173
Roundtrip
found 2 days ago
Sat, Sep 6 - Tue, Sep 9
PDX
Portland
SEA
Seattle
$343 Roundtrip, found 2 days ago
$343
Roundtrip
found 2 days ago
Find the cheapest month to fly from Portland (PDX) to Bellingham (BLI)
January is typically the cheapest month to fly
From $197 - $544 per traveler.
Graph displaying average flight prices per month
Alternative airports
Prices were available within the past 7 days. Prices and availability are subject to change.
Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Flights from $297
SEA
Seattle - Tacoma Intl.
Cheapest
Select flight to Vancouver Intl. YVR. Flights from $321
YVR
Vancouver Intl.
Select flight to Victoria Intl. YYJ. Flights from $517
YYJ
Victoria Intl.
Select flight to Abbotsford Intl. YXX. Flights from $565
YXX
Abbotsford Intl.
Select flight to Bellingham Intl. BLI. Flights from $426
BLI
Bellingham Intl.
Select flight to Snohomish County - Paine Field PAE. Flights from $426
PAE
Snohomish County - Paine Field
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- Flights from Seattle (SEA) to Mount Vernon (MVW)
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