FFL Helper

FFL Helper / Portland / Seattle

PDX → SEA

Portland (PDX) to Seattle (SEA)

Compare one-way fares for flights from Portland to Seattle.

Lowest fare $102
Distance 146 mi
Flight time 50m
Airports PDX–BFI
Search this route

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By month: October 2026 from $174 · November 2026 from $102

Price calendar

October 2026

From $174 · up to $220

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Tue
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23 $190 24 $205 25 $205 26 $220 27 $194 28 $174 29 $205 30 $206
31

November 2026

From $102

Mon
Tue
Wed
Thu
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Sun
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5 $102
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Upcoming dates

Seattle SEA

$102

Nov 05, 9:25pm · 50m · 0 stops

PDX → BFI · SeaPort Airlines

Tickets

Seattle SEA

$148

Jan 29, 4:03pm · 56m · 0 stops

PDX → SEA · Alaska Airlines

Tickets

Seattle SEA

$174

Oct 28, 7:30am · 6h 59m · 1 stop

PDX → SEA · Alaska Airlines

Tickets

Seattle SEA

$190

Oct 23, 7:37pm · 12h 43m · 1 stop

PDX → SEA · Alaska Airlines

Tickets

Seattle SEA

$194

Oct 27, 10:30am · 9h 30m · 1 stop

PDX → SEA · Alaska Airlines

Tickets

About this route

This calendar shows dated one-way fares from Portland to Seattle. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Portland to Seattle.