When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Portland Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Portland Airport are refreshed on a daily basis.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Portland Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Find Cheap Flights from Seattle to Portland in 2025

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How to get the cheapest flight ticket from Seattle to Portland

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What is the cheapest month to fly to Portland?

In general, January is the cheapest month to fly from Seattle to Portland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R2 379. If you are unable to visit Portland during the month of January, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around R2 379.

What is the cheapest Seattle/Tacoma Intl to Portland flight route?

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

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around R3 207 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Seattle for as low as R2 414 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Portland flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Portland flight prices changed over time?

As of September 2025, prices for Seattle to Portland flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Portland according to our flight data. Find out which month and days have the cheapest flights.

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Cheap Seattle to Portland (SEA to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Portland

Direct flights	None

There are no direct flights from Seattle to Portland. There are no popular flight routes from Seattle to Portland.

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How far is Seattle/Tacoma Intl to Portland by plane?
Seattle/Tacoma Intl and Portland are 233,6 km apart from one another.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Portland Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Portland Airport are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Portland?
Based on momondo bookings for flights between Seattle and Portland, the leading plane model is Boeing 737-900 Passenger/BBJ3 (winglets), making up 16,32% of the total bookings. Other popular models include Embraer 175 with 14,68%, Boeing 737 MAX 9 with 13,31%, and Boeing 737 with 7,27%.

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Why should I use momondo to find a flight deal from Seattle to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Portland with flexible booking policies on momondo?

Flights from Seattle to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Portland?

momondo helps you find the best flight between Seattle and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Portland right now. Can momondo alert me if prices change?

Price alerts on flights to Portland from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.