
Popular airlines from Portland Intl. Jetport Airport (PWM) to Seattle-Tacoma International Airport (SEA)
- Air Canada
Air Canada
- WestJet
WestJet
- Flair Airlines
Flair Airlines
- American Airlines
American Airlines
- United
United
- Delta
Delta
- Porter Airlines
Porter Airlines
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 30% on select hotels after you book a flight*payments icon
Cheap flights from Portland (PWM) to Seattle (SEA)
Prices were available within the past 7 days and start at CA $191 for one-way flights and CA $354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Portland (PWM) to Seattle (SEA)
September is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Portland Intl. Jetport |
Destination airport | Seattle - Tacoma Intl. |
Roundtrip price | CA $354 |
Distance | 3971 km |
Portland to Seattle Flights
The easy way to book your flights from Portland to Seattle
With Expedia, it’s simple to find and book flights to Seattle from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Seattle today, tomorrow, or this week.
Save dollars with cheap flights from Portland Intl. Jetport, PWM to Seattle - Tacoma Intl., SEA
Sort your search results by price to find great deals on your flight from Portland to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Portland currently is just CA $354 rising to CA $734.
Here are more money-saving tips:
- Fly in September when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Seattle
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Seattle from Portland
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- Other Airlines
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Portland
- Portland to Newark Liberty Intl. Airport (PWM - EWR)
- Portland to Los Angeles (PWM - LAX)
- Portland to Washington (PWM - DCA)
- Portland to Miami (PWM - MIA)
- Portland to Myrtle Beach (PWM - MYR)
- Portland to Syracuse (PWM - SYR)
- Portland to New York (PWM - JFK)
- Portland to Montreal (PWM - YUL)
- Portland to Philadelphia (PWM - PHL)
- Portland to Orlando (PWM - MCO)
- Portland to Edmonton (PWM - YEG)
Top Routes to Seattle
- Ottawa to Seattle (YOW - SEA)
- San Diego to Seattle (SAN - SEA)
- Calgary to Seattle (YYC - SEA)
- Kelowna to Seattle (YLW - SEA)
- Detroit to Seattle (DTW - SEA)
- San Antonio to Seattle (SAT - SEA)
- Winnipeg to Seattle (YWG - SEA)
- Halifax to Seattle (YHZ - SEA)
- Delhi to Seattle (DEL - SEA)
- Victoria to Seattle (YYJ - SEA)
- Québec to Seattle (YQB - SEA)
- Montreal to Seattle (YUL - SEA)
Top Flight Destinations
- Flights to Las Vegas
- Flights to New York
- Flights to Orlando
- Flights to Chicago
- Flights to Myrtle Beach
- Flights to San Diego
- Flights to Panama City Beach
- Flights to Destin
- Flights to Los Angeles
- Flights to Ocean City
- Flights to Miami
- Flights to Boston
- Flights to Nashville
- Flights to Atlantic City
- Flights to Pigeon Forge
- Flights to Atlanta
- Flights to San Francisco
- Flights to Virginia Beach
- Flights to Gulf Shores
- Flights to Seattle
Expedia's Latest Trends
- Cheap Flights from Ottawa (YOW) to Las Vegas (LAS)
- Cheap Flights from Vancouver (YVR) to San Diego (SAN)
- Cheap Flights from Vancouver (YVR) to Las Vegas (LAS)
- Cheap Flights from Hamilton (YHM) to Las Vegas (LAS)
- Cheap Flights from Abbotsford (YXX) to Las Vegas (LAS)
- Cheap Flights from Toronto (YYZ) to Philadelphia (PHL)
- Cheap Flights from Edmonton (YEG) to Dallas (DFW)
- Cheap Flights from Toronto (YYZ) to San Diego (SAN)
- Cheap Flights from Toronto (YYZ) to Myrtle Beach (MYR)
- Cheap Flights from Calgary (YYC) to San Diego (SAN)
- Cheap Flights from Toronto (YYZ) to New York (NYC)
- Cheap Flights from Montreal (YUL) to Las Vegas (LAS)
- Cheap Flights from Detroit (DTW) to Las Vegas (LAS)
- Cheap Flights from Regina (YQR) to Las Vegas (LAS)
- Cheap Flights from Montreal (YUL) to Fort Lauderdale (FLL)
- Cheap Flights from Kelowna (YLW) to Las Vegas (LAS)
- Cheap Flights from Fort Lauderdale (FLL) to Toronto (YYZ)
- Cheap Flights from Vancouver (YVR) to Boston (BOS)
- Cheap Flights from Winnipeg (YWG) to Las Vegas (LAS)
- Cheap Flights from Calgary (YYC) to Dallas (DFW)
- Cheap Flights from Montreal (YUL) to Boston (BOS)
- Cheap Flights from Buffalo (BUF) to Fort Lauderdale (FLL)
- Cheap Flights from Toronto (YYZ) to Fort Lauderdale (FLL)
- Cheap Flights from Bellingham (BLI) to Las Vegas (LAS)
- Cheap Flights from Vancouver (YVR) to Palm Springs (PSP)
- Cheap Flights from Vancouver (YVR) to Dallas (DFW)
- Cheap Flights from Toronto (YYZ) to Las Vegas (LAS)
- Cheap Flights from Buffalo (BUF) to Las Vegas (LAS)
- Cheap Flights from Las Vegas (LAS) to Toronto (YYZ)
- Cheap Flights from Victoria (YYJ) to Las Vegas (LAS)