Cheap flights from Washington to Portland from $121

The cheapest month to fly to Portland from State of Washington is in January. Flight prices, which tend to average around $195, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until November to fly from State of Washington, when ticket prices are also cheap, with an average price of $199.

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $350. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Monday, with ticket prices averaging around $479.

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $399. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $462 per ticket.

Fly from Seattle/Tacoma Intl to Portland for the best Washington - Portland flight prices

There are 4 cabin classes available to choose from on State of Washington to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between State of Washington to Portland.

Air Excursions, Alaska Airlines, and Delta are the most popular carriers operating from Washington to Portland

Alaska Airlines, Delta and Air Excursions are the top three most popular airlines that fly to Portland from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 83% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 3 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

45 flights are operational daily from State of Washington to Portland as of September 2026. The most popular departure time for this route is 4:00PM, with 40% of flights per day taking off in the afternoon.

As of September 2026, there are 318 flights per week flying from State of Washington to Portland. The most common day of the week flights depart is Wed, with 23% of flights taking off on this day.