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Cheap flights from Portland to Seattle

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Find the cheapest flights from Portland to Seattle

Cheap return flights

These are some of the best return flight deals from Portland to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to Seattle.

Cheap last-minute flights

Planning a quick getaway from Portland to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Portland to Seattle

Find recent round-trip train or bus tickets from Portland to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
PDX-SEA
129 mimulti-stop
SEA-PDX
129 mimulti-stop
Multiple Airlines
Find Deal
PDX-SEA
129 mimulti-stop
Multiple Airlines
Find Deal

See travel insights to Seattle from

How to get the cheapest flight ticket from Portland to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

August. The cheapest time of year to fly to Seattle from Portland is August. The most expensive is November.

How far in advance should you book Portland to Seattle flights?

48 days before. The cheapest time to buy a flight from Portland to Seattle is approximately 48 days to departure

How have Portland to Seattle flight prices changed over time?

As of November 2024, prices for Portland to Seattle flights are approximately 15% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Seattle

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

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

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

Direct flights

None
There are no direct flights from Portland to Seattle. There are no popular flight routes from Portland to Seattle.

  • How far is Portland to Seattle/Tacoma Intl by plane?

    There are 145.2 mi between Portland and Seattle/Tacoma Intl.

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

    Prices for flights from Portland Airport to Seattle/Tacoma Intl Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl 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 license 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 Portland to Seattle?


Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Portland.

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

Yes. All flights to Seattle from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Portland to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Portland to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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