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Cheap Flights from Portland to Seattle, WA, United States - PWM to SEA Last modified: May 31, 2016 1:43 PM

Popular flights from Portland to Seattle Last modified: May 31, 2016 1:43 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Sep 14, 2016 Sep 27, 2016 $888
American Airlines
Departure Date Return Date Lowest Price
Aug 22, 2016 Sep 7, 2016 $554
Aug 31, 2016 Sep 13, 2016 $554
Sep 20, 2016 Sep 27, 2016 $554
Sep 21, 2016 Sep 28, 2016 $554
JetBlue Airways
Departure Date Return Date Lowest Price
Aug 23, 2016 Aug 30, 2016 $562
United Airlines
Departure Date Return Date Lowest Price
Aug 30, 2016 Sep 7, 2016 $342
Sep 20, 2016 Sep 27, 2016 $342
Sep 21, 2016 Sep 28, 2016 $342

How Much Does it Cost to Fly from Portland to Seattle (PWM to SEA)?

We have collected flight cost data from across the web for travel from Portland to Seattle, and have found the average flight price for this trip to be $497.

When Can I Buy the Cheapest Flight from Portland to Seattle (PWM to SEA)?

Airlines can adjust prices for plane tickets from Portland to Seattle based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Portland to Seattle

The chart below shows up-to-date information regarding the cheapest days to fly from Portland to Seattle.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$511 $465 $624 $511 $499 $504 $364

Round Trip vs One Way Flights from Portland to Seattle (PWM to SEA)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Portland to Seattle. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Portland to Seattle is $340.

The average price for round trip flights from Portland to Seattle is $716.

Portland to Seattle Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Portland to Seattle?
Answer: Atlanta, GA

Airlines Flying from Portland to Seattle (PWM to SEA) Number of flights searched: 126Last modified: May 31, 2016 1:43 PM

Below are the different airlines that fly from Portland to Seattle with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Portland to Seattle.

Portland to Seattle
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHL X X X X X X X
JetBlue JFK X X X X X X
Delta DTW X X X X X X X
Delta LGA / MSP X X X X X X X
United ORD X X X X X X X
Southwest MDW X X X X X X

Airports for Your Route

These pages contain information about the major airports in Portland and Seattle, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Portland - PWM

FlightsAirlineLowest Price
Portland to Portland American, Alaska, JetBlue, United $388

Cheap International Flights from Portland - PWM

FlightsAirlineLowest Price
Portland to Vancouver American, Air Canada, Alaska, United, WestJet $514

Cheap Domestic Flights to Seattle - SEA

FlightsAirlineLowest Price
Boston to Seattle American, Alaska, JetBlue, Spirit, Sun Country, United $293
Hartford to Seattle American, Alaska, United $396
Providence to Seattle American, Alaska, United $258
Burlington to Seattle American, Alaska, JetBlue, United $360
Manchester to Seattle American, United $258
Albany to Seattle American, Alaska, United $376
Bangor to Seattle American, Alaska, United $406
Boston to Portland American, Alaska, JetBlue, Sun Country, United, Virgin America $297
Boston to Chicago American, Alaska, JetBlue, Spirit, United $103
Boston to Los Angeles American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $250
Boston to Dallas - Ft Worth American, Alaska, JetBlue, Spirit, United $117
Boston to Atlanta American, Spirit, United $191
Boston to San Francisco American, Alaska, JetBlue, Sun Country, United, Virgin America $355
Hartford to Portland American, Alaska, United $384
Boston to New York American, JetBlue $97
Boston to Las Vegas American, Alaska, JetBlue, Spirit, United, Virgin America $253
Manchester to Portland American, United $410
Providence to Portland American, Alaska, United $330
Albany to Portland American, United $416
Boston to Denver American, JetBlue, Spirit, Sun Country, United $264
Boston to Bellingham American, Alaska, United $605

Cheap International Flights to Seattle - SEA

FlightsAirlineLowest Price
Boston to Vancouver Cape Air, American, Air Canada, Alaska, JetBlue, Sun Country, United, Virgin America, WestJet $311
Boston to Victoria American, Air Canada, Alaska, JetBlue, Sun Country, United, WestJet $365
Hartford to Vancouver American, Air Canada, Alaska, Sun Country, United, Virgin America, WestJet $378
Boston to London American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Eurowings, Iberia, Meridiana, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight $651
Providence to Vancouver American, Air Canada, Alaska, United, WestJet $431
Manchester to Vancouver American, Air Canada, Alaska, United, WestJet $451
Albany to Vancouver American, Air Canada, Alaska, United, WestJet $524
Cheap Flights from Portland to Seattle, WA, United States, from $342 Round trip from PWM to SEA