Compare fares and flight options for Seattle — Portland. Prices can change; check availability when searching.
A non-stop flight is the most convenient and comfortable way to fly from Seattle to Portland, despite the fact that sometimes flights with transfers can cost significantly less.
Answers to questions about the route that travelers are most interested in.
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The cheapest offer found for Seattle to Portland costs $118 for a departure in February 2027. This is the lowest starting fare among the months shown.
Departures in November 2026 have the highest starting fare in this sample. Even the cheapest offer found for that month costs $195.
Taking the cheapest fare found for each month gives an average of $148. Use it to compare departure months; it is not the average price of every available ticket.
For departures in November 2026 and December 2026, the two monthly starting fares average $163. The highest such average is $163, for departures in November 2026 and December 2026.
These comparisons describe offers found for different departure months. Check prices and availability with a new search.
The available offers for Seattle to Portland have different starting prices across departure months. The lowest is $118 in February 2027. The highest monthly starting fare is $195 in November 2026.
Seattle — Portland
12/16/2026
Departure
Direct flight
AS315
starting at $148
Seattle — Portland
11/27/2026
Departure
Direct flight
X43119
starting at $214
Seattle — Portland
11/23/2026
Departure
Direct flight
X43119
starting at $221
Seattle — Portland
11/20/2026
Departure
Direct flight
X43119
starting at $222
Seattle — Portland
11/22/2026
Departure
Direct flight
X43141
starting at $301
starting at $97
starting at $214
Alaska Airlines
We
starting at $148
Air Excursion, LLC
Su, Mo, and Fr
starting at $214
The flight selection for Seattle — Portland includes offers from Alaska Airlines and Air Excursion, LLC. Compare the featured carriers: the cheapest ticket found costs $97.
Direct offers from Seattle to Portland were found for these airlines: Alaska Airlines: We; Air Excursion, LLC: Su, Mo, and Fr.
Weekdays and prices come from the offers found. This is not a complete schedule; availability and flight frequency can change.
The cheapest one-way flight from Seattle to Portland departs on 12/16/2026, is operated by Alaska Airlines and costs $97
The cheapest roundtrip flight from Seattle to Portland departs on 12/13/2026, is operated by Air Excursion, LLC and costs $243
Fastest flight from Seattle to Portland takes 0h 50m
Direct offers were found on these weekdays: Su, Mo, We, and Fr.
The average outbound duration among direct offers for Seattle to Portland is 50m. The found offers from Seattle to Portland depart between 5:25 AM and 8:05 PM, in the origin city’s time zone. The straight-line distance between Seattle and Portland is 225km.
Direct-flight weekdays and the fastest option are based on the offers found.
Duration and departure times are based on found offers, not the full schedule. Times use the origin city’s time zone.
The cheapest flight ticket from Seattle to Portland according to data for the last 48 hours costs $97
The lowest prices in the available monthly data for Seattle — Portland are in: February, December, November. Prices can change.
The shortest duration among the offers found for Seattle — Portland is 50 minutes, including connections if present.
Direct flight offers from Seattle to Portland were found for: Alaska Airlines, Air Excursion, LLC
We couldn't find any special offers for flights from Seattle to Portland