How to find the cheapest flight from
Portland (PWM) to Seattle (SEA)
What is the cheapest day to fly round-trip from Portland to Seattle?
Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 46% on your flight compared to booking on days when demand is much higher.
How far in advance should I book a flight from Portland to Seattle?
To save up to 58% on this flight, we recommend booking at least 27 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portland to Seattle from $136 1-2 weeks out and tickets from $197 for flights departing within the next 72 hours.
When is the cheapest time to fly from Portland to Seattle (PWM - 03A)?
It’s optimal to fly from Portland to Seattle in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the morning.
One-way flights to Seattle from Portland
The cheapest one-way flights from Portland to Seattle
Related info for your journey
Useful info, stats and facts about Portland to Seattle flights.
Alternative routes for Portland to Seattle
Destination information for Seattle
Things to know before you go. Useful info for your trip from Portland to Seattle
Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)