PDX - SEA

Find cheap flights from Portland to Seattle

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Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Seattle, as well as popular online travel agencies
In the last 7 days, travellers have searched 46,646,933 times on KAYAK, and here's why:

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Cheap flight deals from Portland to Seattle (PDX-SEA)

 
These are the cheapest deals for flights from Portland to Seattle currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Flights from Portland to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Portland to Seattle to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Portland to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Portland to Seattle is August, where tickets cost £124 on average. On the other hand, the most expensive months are November and June, where the average cost of tickets is £188 and £185 respectively.

Can I save money by flying with a stopover from Portland to Seattle?

The average price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.
No, with an average price for the route of £117, prices are generally cheapest when you fly direct.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Portland to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Portland to Seattle, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 91 days before departure.

Good to know - Cheap tickets from Portland to Seattle

Low season

February

High season

May
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly (4% more expensive on average)

When to book flights from Portland to Seattle

Are your dates flexible? Find out the best times to travel from Portland to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to Seattle

  • Can I withdraw cash at SEA?

    If you’d like to withdraw some cash at SEA, you can do so without difficulty, as the airport features ATMs in the Central Terminal and all gated areas.

  • Does SEA have a nursing room?

    SEA has seven nursing rooms. They are located near Gates S, A9, C10, N2, D10, and D23 and on the Main Terminal of the airport’s train stations. Apart from breastfeeding your baby, in any of these rooms, you’ll get the chance to change your baby’s diapers, as they all have changing tables.

  • Does SEA have an on-site hotel?

    SEA does not have an on-site hotel. However, if you’d like to stay at a hotel near this airport, you’ll have many options. They include Hilton Seattle Airport & Conference Center, Crowne Plaza Seattle Airport, and Radisson Hotel Seattle Airport.

  • Does PDX have a children’s play area?

    PDX features two children’s play areas. One is near Gate C17 in Concourse C, while the other is near Gate D7 in Concourse D. At either, your child will have lots of fun, given that they feature a wide variety of toys and child-proof playgrounds.

  • Which airlines offer Wi-Fi service onboard planes from Portland to Seattle?

    Alaska Airlines, Delta, American Airlines, and JetBlue offer inflight Wi-Fi service on the Portland to Seattle flight route.

  • Which aircraft models fly most regularly from Portland to Seattle?

    The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Portland to Seattle flight route.

  • Which airline alliances offer flights from Portland to Seattle?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Portland and Seattle, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Portland to Seattle?

    There are direct flights from Portland to Seattle on a daily basis.

  • How does KAYAK find such low prices on flights from Portland to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Portland with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Portland to Seattle

  • Looking for a cheap flight from Seattle to Portland? 25% of our users found flights on this route for £708 or less round-trip.
  • At Portland International Airport (PDX), you’ll come across traffic, given that cars continuously pick up and drop off passengers at this airport. Due to its high passenger traffic, you’ll also encounter long lines at the airport’s security checkpoints. To avoid missing your flight at this airport because of being stuck in traffic or delayed at its security checkpoints, on the date you’re set to travel to Seattle, you should get to it at least 2h in advance of your flight.
  • Suppose you’re disabled, sick, or have limited mobility. In that case, you can receive assisted travel services at PDX, as this airport features TSA Care officials whose mandate is to ensure that special travelers receive the help they require while at the airport. To receive assisted travel services, you should contact and inform the airport’s TSA care office of the services you will require at least 72h before your flight.
  • While waiting for your flight to Seattle-Tacoma International Airport (SEA) at PDX, you can check out the art exhibitions spread throughout the airport. You can also visit the airport’s movie theater in Concourse C. At this free-to-enter theater, you will get the chance to see educational and entertaining short films about the Pacific Northwest. If none of these attractions appeals to you, you should consider relaxing at the airport’s spa, The Dragontree Spa. Situated in Concourse C, this spa features well-trained professionals and exceptional spa equipment. Hence, if you visit it, you can count on being well catered to.
  • Once you land at SEA, you can take some time to rejuvenate on one of the two The Club lounges. Located in the airport’s South Satellite and Central Terminal, these lounges feature comfortable seats, magazines, clean toilets, beverages, snacks, and friendly staff.
  • In case you want to rent a car at SEA, you’ll be able to do so as the airport has a dedicated Rental Car Facility that houses car rental agencies such as Alamo, Avis, Budget, Enterprise, Hertz, and National. To get to this facility, you'll board a shuttle outside the baggage claim area of the Main Terminal.
See more tips

Flights from Portland to Seattle: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Portland to Seattle 
Verified travelerFlew with Alaska AirlinesPDX-SEAOct 2024
Everything went smoothly and I had assisted check in which was very helpful.
Verified travelerFlew with Alaska AirlinesPDX-SEAJan 2024
Make sure you have a place to stay when they cancel your flight

Prefer to fly direct from Portland to Seattle?

Find which airlines fly direct from Portland Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Portland to Seattle/Tacoma Intl

Monday

Aeromexico, Air France, Air Tahiti Nui, +14 more

Aeromexico, Air France, +15 more

Tuesday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Wednesday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Thursday

Aeromexico, Air France, Air Tahiti Nui, +14 more

Aeromexico, Air France, +15 more

Friday

Aeromexico, Air France, Air Tahiti Nui, +14 more

Aeromexico, Air France, +15 more

Saturday

Aeromexico, Air France, Air Tahiti Nui, +14 more

Aeromexico, Air France, +15 more

Sunday

Aeromexico, Air France, Air Tahiti Nui, +14 more

Aeromexico, Air France, +15 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to Portland

Monday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Tuesday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Wednesday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Thursday

Aeromexico, Air France, Air Tahiti Nui, +14 more

Aeromexico, Air France, +15 more

Friday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Saturday

Aeromexico, Air France, Air Tahiti Nui, +14 more

Aeromexico, Air France, +15 more

Sunday

Aeromexico, Air France, Air Tahiti Nui, +14 more

Aeromexico, Air France, +15 more

See more direct flights
See more direct flights

Book cheap flights from Portland to Seattle

One-way flight deals

directCondor
1h 01mPDX-SEA
directKLM
1h 09mPDX-SEA
directQatar Airways
1h 03mPDX-SEA
directJapan Airlines
0h 59mPDX-SEA
directIcelandair
1h 06mPDX-SEA
directAir France
1h 15mPDX-SEA
directDelta
1h 22mPDX-SEA
directChina Eastern
1h 15mPDX-SEA
directAeromexico
1h 09mPDX-SEA
directSTARLUX Airlines
1h 01mPDX-SEA
directAlaska Airlines
1h 03mPDX-SEA
directFinnair
0h 55mPDX-SEA
directHawaiian Airlines
1h 04mPDX-SEA
directKorean Air
1h 04mPDX-SEA
directAir Tahiti Nui
1h 04mPDX-SEA
directWestJet
1h 00mPDX-SEA
directVirgin Atlantic
1h 15mPDX-SEA
directSingapore Airlines
1h 03mPDX-SEA
directBritish Airways
1h 01mPDX-SEA

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Everything you need to know for your flight from Portland to Seattle

Information on your arrival and departure airports

Compare transportation modes for Portland to Seattle

Average priceAverage duration
Flights£8760h 00m
Trains£463h 25m

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