Cheap Flights from Portland to Seattle from 123 €

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Flight deals from Portland to Seattle

Looking for a cheap last-minute deal or the best return flight from Portland to Seattle? Find the lowest prices on one-way and return tickets right here.

Seattle.123 € per passenger.Departing Wed, 14 May, returning Wed, 21 May.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Portland on Wed, 14 May, arriving in Seattle / Tacoma International.Inbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Wed, 21 May, arriving in Portland.Price includes taxes and charges.From 123 €, select.

Seattle.126 € per passenger.Departing Wed, 30 Apr, returning Tue, 6 May.Return flight with Delta.Outbound direct flight with Delta departs from Portland on Wed, 30 Apr, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 6 May, arriving in Portland.Price includes taxes and charges.From 126 €, select.

Seattle.133 € per passenger.Departing Sat, 26 Apr, returning Wed, 30 Apr.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Portland on Sat, 26 Apr, arriving in Seattle / Tacoma International.Inbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Wed, 30 Apr, arriving in Portland.Price includes taxes and charges.From 133 €, select.

Seattle.136 € per passenger.Departing Mon, 19 May, returning Wed, 4 Jun.Return flight with Delta.Outbound direct flight with Delta departs from Portland on Mon, 19 May, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 4 Jun, arriving in Portland.Price includes taxes and charges.From 136 €, select.

Seattle.161 € per passenger.Departing Fri, 13 Jun, returning Sat, 28 Jun.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Portland on Fri, 13 Jun, arriving in Seattle / Tacoma International.Inbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Sat, 28 Jun, arriving in Portland.Price includes taxes and charges.From 161 €, select.

Seattle.163 € per passenger.Departing Sun, 10 Aug, returning Tue, 30 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Portland on Sun, 10 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 30 Sep, arriving in Portland.Price includes taxes and charges.From 163 €, select.

Seattle.163 € per passenger.Departing Tue, 7 Oct, returning Sun, 12 Oct.Return flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Portland on Tue, 7 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Sun, 12 Oct, arriving in Portland.Price includes taxes and charges.From 163 €, select.

Seattle.164 € per passenger.Departing Fri, 11 Jul, returning Sat, 12 Jul.Return flight with Delta.Outbound direct flight with Delta departs from Portland on Fri, 11 Jul, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 12 Jul, arriving in Portland.Price includes taxes and charges.From 164 €, select.

Find the cheapest month to fly from Portland to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Seattle flights are currently cheapest in May.

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Direct flights from Portland to Seattle

Alternative Portland to Seattle routes

Looking for the cheapest, fastest or easiest route from Portland to Seattle? You could fly into the following airports instead.

Portland to Seattle: Flight information

The things to know before you go.

Cheapest flight found	123 €
Cheapest month to fly	May
Average flight time	1 hr, 2 mins
Most popular airline	Alaska Airlines
Average flights per week	885

Finding cheap flights from Portland to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are return flights from Portland to Seattle?

The best price we found for a return flight from Portland to Seattle is 123 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Portland to Seattle?

1 hour and 2 minutes is the average flight time from Portland to Seattle.

Which airlines fly direct from Portland to Seattle?

Alaska Airlines, Air Tahiti Nui and Hawaiian Airlines fly direct from Portland to Seattle.

How many flights are there a week from Portland to Seattle?

As of March 2025, there are 751 flights per week flying from Portland to Seattle.

When is the cheapest time to fly from Portland to Seattle?

The cheapest month to fly from Portland to Seattle is usually March 2025.

Which is the cheapest airport to fly into in Seattle?

If you're flying from Portland Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from 123 €.

Which upcoming date is cheapest to fly from Portland Airport to Seattle on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Seattle on Wednesday, 14 May 2025.

Can I get a direct flight from Portland Airport to Seattle?

Yes – the average flight time is 1 hour and 2 minutes.

How can I get the best flight deal from Portland Airport to Seattle?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Seattle?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Seattle?

In March, the average temperature is usually around 6°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.

Which is the cheapest airline to fly from Portland Airport to Seattle with?

Currently, Hawaiian Airlines offers the cheapest flight tickets to Seattle.

Travelling from Portland International Airport (PDX) to Seattle: what you need to know

Hop on a direct flight from Portland International Airport to Seattle and you'll be travelling for around 58 minutes.
Portland (the location of Portland International Airport) and Seattle are in the same timezone — UTC-7.
The most popular route is from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA). Choose from 163 weekly services between these two airports. If you'd like to head off as soon as possible, the earliest flight from PDX to SEA is the 05:00 Alaska Airlines option. If you prefer travelling later, the last departure is at 21:34 with Alaska Airlines.
For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably catch your flight from PDX to Seattle.
Getting on a plane during a peak time like July? Popular periods (like summer, Thanksgiving, Christmas and spring break) can add another hour at security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.
Direct flights from Portland International Airport (PDX) to Seattle are available for booking. Seattle-Tacoma International Airport (SEA) is where you'll complete your journey.
Get on board with Alaska Airlines. This popular carrier offers direct flights from Portland International Airport to Seattle.
You don't need your passport or a visa to fly within United States. You will need a valid form of identification however, such as a driver's licence or an ID card. Add them to your packing list once you've booked your cheap tickets from Portland International Airport to Seattle.
Located around 19 kilometres from the centre of Portland, PDX can be reached in approximately 19 minutes by car, depending on traffic. The journey on public transport is roughly 45 minutes.
Want a stress-free start to your holiday? Stay near PDX. Whether you have an early flight from Portland International Airport to Seattle or just don't want to be rushed, these hotels are just the thing:

How to find the cheapest flights from Portland International Airport (PDX) to Seattle

61 € is the best price for a one-way ticket from Portland International Airport to Seattle. Return flights start at 123 €. These prices can change depending on availability.
To secure cheap tickets from PDX to Seattle, reserve your journey 9 months ahead of your departure date.
Plan your trip for May. That's the cheapest month for tickets from Portland International Airport to Seattle. If your travel dates are flexible, use the 'Whole month' tool to see the cheapest price across every month.
Locking in a cheap ticket from PDX to Seattle is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when there's a better deal.
Use the filters to tailor your flights from Portland International Airport to Seattle. Simply enter your preferred departure and arrival times, number of stops and airlines. Or sort your results by 'Cheapest' to get the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Seattle-Tacoma International Airport (SEA) to central Seattle is roughly 23 kilometres. It takes around 18 minutes to reach the centre driving.
It typically takes 54 minutes if you're travelling by public transport.
The last thing you need is a long journey to your hotel if you're landing late on a flight from Portland International Airport to Seattle. Reserve one of these accommodation options near SEA instead:

Lake Union Sea Plane Base Airport (LKE)

Central Seattle is approximately 3 kilometres from Lake Union Sea Plane Base Airport (LKE). As soon as your flight from Portland International Airport to Seattle has landed and you've made your way out of the airport, expect a drive of around 11 minutes.
Travelling by public transport will take around 23 minutes.
There are some great places where you can rest ahead of your adventure near LKE. Tuck yourself in and get cosy after your flight from PDX to Seattle at any of these perfectly located options:

Best time to go to Seattle

July is the most popular month to board a flight from Portland International Airport to Seattle while May is the quietest. To work out the best time to go to Seattle, consider the pace you like to travel at.
The warmest month in Seattle is August, with the temperature ranging between 12ºC and 28ºC. Lock in your flights from Portland International Airport to Seattle in this month if you enjoy this type of weather.
If you like cooler conditions, lock in a cheap flight from PDX to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

Start your Seattle trip off on the right foot by choosing the perfect place to stay. After booking your flight from Portland International Airport to Seattle, explore our selection of accommodation options including:
There are so many things to do and see in this city it can be hard to figure out where to begin. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are leading attractions which should feature on any good Seattle itinerary.

Complete your Seattle trip with a car rental

Finding you a cheap flight from Portland International Airport to Seattle isn't the only trick up our sleeve. Check out our car rentals in Seattle and have more freedom to explore. We search for deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.