CA $194 Cheap Flights from Portland (PWM) to Seattle (SEA)

View CA $194 flight on Fri, Jun. 20, 2025Opens in a new window

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Cheap flights from Portland (PWM) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $194 for one-way flights and CA $425 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue., May 20 - Fri., May 30
PWM
Portland
SEA
Seattle
CA $425 Roundtrip, found 12 hours ago
CA $425
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue., May 20 from Portland to Seattle, returning Fri., May 30, priced at CA $425 found 12 hours ago
JetBlue Airways
Fri., Jun. 20 - Mon., Jun. 23
PWM
Portland
SEA
Seattle
CA $436 Roundtrip, found 1 day ago
CA $436
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri., Jun. 20 from Portland to Seattle, returning Mon., Jun. 23, priced at CA $436 found 1 day ago
American Airlines
Tue., May 20 - Fri., May 30
PWM
Portland
SEA
Seattle
CA $451 Roundtrip, found 12 hours ago
CA $451
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue., May 20 from Portland to Seattle, returning Fri., May 30, priced at CA $451 found 12 hours ago
Delta
Wed., Aug. 20 - Sat., Aug. 30
PWM
Portland
SEA
Seattle
CA $460 Roundtrip, found 3 days ago
CA $460
Roundtrip
found 3 days ago
Select Delta flight, departing Wed., Aug. 20 from Portland to Seattle, returning Sat., Aug. 30, priced at CA $460 found 3 days ago
Delta
Fri., Aug. 22 - Sat., Aug. 30
PWM
Portland
SEA
Seattle
CA $486 Roundtrip, found 3 days ago
CA $486
Roundtrip
found 3 days ago
Select Delta flight, departing Fri., Aug. 22 from Portland to Seattle, returning Sat., Aug. 30, priced at CA $486 found 3 days ago
JetBlue Airways
Fri., Jun. 20 - Mon., Jun. 23
PWM
Portland
SEA
Seattle
CA $489 Roundtrip, found 1 day ago
CA $489
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Fri., Jun. 20 from Portland to Seattle, returning Mon., Jun. 23, priced at CA $489 found 1 day ago
American Airlines
Tue., Aug. 19 - Tue., Sep. 2
PWM
Portland
SEA
Seattle
CA $493 Roundtrip, found 3 days ago
CA $493
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue., Aug. 19 from Portland to Seattle, returning Tue., Sep. 2, priced at CA $493 found 3 days ago
American Airlines
Tue., May 20 - Fri., May 30
PWM
Portland
SEA
Seattle
CA $494 Roundtrip, found 12 hours ago
CA $494
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue., May 20 from Portland to Seattle, returning Fri., May 30, priced at CA $494 found 12 hours ago
United
Tue., May 20 - Fri., May 30
PWM
Portland
SEA
Seattle
CA $513 Roundtrip, found 12 hours ago
CA $513
Roundtrip
found 12 hours ago
Select United flight, departing Tue., May 20 from Portland to Seattle, returning Fri., May 30, priced at CA $513 found 12 hours ago
Alaska Airlines
Fri., Jun. 20 - Mon., Jun. 23
PWM
Portland
SEA
Seattle
CA $1,076 Roundtrip, found 1 day ago
CA $1,076
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri., Jun. 20 from Portland to Seattle, returning Mon., Jun. 23, priced at CA $1,076 found 1 day ago
Flight from Portland to Seattle (PWM - SEA) route information
Origin airport
Portland Intl. Jetport
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $425
Distance
3971 km

Portland to Seattle Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from Portland to Seattle with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from PWM to SEA and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from Portland to Seattle on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from PWM to SEA. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Portland Intl. Jetport Airport (PWM) to SEA?
The lowest price advertised for a round-trip journey from PWM to SEA is CA $425. But you better act quick. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Jetport to SEA?
Most flights can be canceled online, but whether you incur a fee differs between airlines. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Portland Intl. Jetport Airport (PWM) to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Portland Intl. Jetport to Seattle - Tacoma Intl. Airport (SEA) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Portland Intl. Jetport to SEA?
Around 4,000 kilometers separates Portland and SeaTac, so pack some in-flight entertainment to keep you busy for a few hours. That novel you haven’t started will be perfect.
Which airlines fly direct from Portland Intl. Jetport to Sea-Tac Airport?
Direct flights aren’t available, so you’ll have to make at least one stop between Portland Intl. Jetport Airport (PWM) and Sea-Tac Airport. Take advantage of the layover time to stretch your legs and freshen up.
Are PWM to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to score a great last-minute deal from PWM to Seattle - Tacoma Intl. Airport (SEA), but there’s no guarantee. As many airlines release prices up to a year in advance, it’s worth keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares air carrier prices and updates flight deals regularly, so you can rest assured you’re always seeing the latest offers.

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