Cheap flights from Seattle to Portland

One-way fares from $255 · SEA → PWM · prices found by travellers in the last 48 hours

Compare all dates Portland → Seattle
Cheapest fare
$255

Southwest Airlines · Mon, Feb 1

Cheapest month
February

from $255

Direct flights
Not recently

Usually 1+ stop

Quickest trip
7h 15m

3,990 km

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Cheapest month to fly from Seattle to Portland

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. February 2027 Cheapest $255

Cheapest dates in February 2027

The lowest fares we've seen for each day, cheapest first.

Southwest Airlines
Depart00:10 Mon, Feb 1SEA → PWM 7h 15m · 2 stops
$255one way, per person
View deal
See every date in February 2027 →

Plan the rest of your trip to Portland

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in PortlandCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in PortlandTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in PortlandPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in PortlandCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Seattle to Portland

Seattle (SEA) and Portland (PWM) are about 3,990 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 7h 15m. Over the next few months, one-way fares start from $255, and February 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Seattle to Portland?

The cheapest one-way fare we've seen recently is $255 with Southwest Airlines, departing Monday, February 1, 2027.

What is the cheapest month to fly from Seattle to Portland?

February 2027 currently has the lowest fares, from $255 one way.

Are there direct flights from Seattle to Portland?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Seattle to Portland?

The quickest journey we've seen takes about 7h 15m. Seattle and Portland are around 3,990 km apart.

Which airlines fly from Seattle to Portland?

Recent fares on this route were with Southwest Airlines.

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