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Cheap Flights from Portland to Seattle, WA, United States - PWM to SEA

Popular flights from Portland to Seattle

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

American Airlines
Departure Date Return Date Lowest Price
Mar 10, 2016 Mar 14, 2016 $399
JetBlue Airways
Departure Date Return Date Lowest Price
Apr 19, 2016 Apr 26, 2016 $439
United Airlines
Departure Date Return Date Lowest Price
Mar 11, 2016 Mar 15, 2016 $302

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 $431.

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
$414 $405 $374 $310 $302 $429 $788

Lowest Fares Chart By Month from Portland to Seattle

The chart below shows the lowest fare by month when flying from Portland to Seattle.

Month Origin Destination Carrier Depart Date Return Date Stops Price
February Portland Seattle United 2/17/16 2/21/16 1 $963
March Portland Seattle United 3/11/16 3/15/16 1 $302
April Portland Seattle United 4/19/16 4/26/16 1 $405
May Portland Seattle United 5/4/16 5/9/16 1 $390
June Portland Seattle United 6/6/16 6/13/16 2 $426
July Portland Seattle JetBlue 7/27/16 8/1/16 1 $481
August Portland Seattle United 8/27/16 9/4/16 2 $550
September Portland Seattle United 9/8/16 9/17/16 1 $390

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 $253.

The average price for round trip flights from Portland to Seattle is $380.

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)

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
American DCA / ORD X 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 EWR X X X X X X X
Southwest BWI X 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, JetBlue, United $416

Cheap International Flights from Portland - PWM

FlightsAirlineLowest Price
Portland to Vancouver American, Air Canada, Alaska, JetBlue, Hawaiian, United, WestJet $394

Cheap Domestic Flights to Seattle - SEA

FlightsAirlineLowest Price
Boston to Seattle American, Alaska, JetBlue, Sun Country, United $227
Hartford to Seattle American, Alaska, United $332
Providence to Seattle American, United $254
Burlington to Seattle American, United $373
Manchester to Seattle American, United $268
Albany to Seattle American, United $338
Bangor to Seattle American, United $470
Boston to Portland American, Alaska, JetBlue, Spirit, Sun Country, United $247
Boston to Chicago American, JetBlue, Spirit, United $100
Boston to Los Angeles American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $217
Boston to Dallas - Ft Worth American, JetBlue, Spirit, Sun Country, United $197
Boston to Atlanta American, Spirit, United $156
Boston to San Francisco American, Alaska, JetBlue, Sun Country, United, Virgin America $265
Hartford to Portland American, Alaska, United $372
Boston to New York American, JetBlue $97
Boston to Las Vegas Cape Air, American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $177
Manchester to Portland American, United $331
Providence to Portland American, United $334
Albany to Portland American, United $402
Boston to Denver American, JetBlue, Spirit, Sun Country, United $187
Boston to Bellingham American, Alaska, JetBlue, United $367

Cheap International Flights to Seattle - SEA

FlightsAirlineLowest Price
Boston to Vancouver Cape Air, American, Air Canada, Alaska, JetBlue, Sun Country, United, Virgin America, WestJet $292
Boston to Victoria American, Air Canada, Alaska, JetBlue, United, WestJet $370
Hartford to Vancouver American, Air Canada, Alaska, Frontier, United, WestJet $418
Boston to London American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight $690
Providence to Vancouver American, Air Canada, JetBlue, Frontier, United, WestJet $426
Manchester to Vancouver American, Air Canada, Alaska, United, WestJet $430
Albany to Vancouver Cape Air, American, Air Canada, Alaska, Frontier, United, Virgin America, WestJet $515
Cheap Flights from Portland to Seattle, WA, United States, from $302 Round trip from PWM to SEA