CA $93 Cheap Flights from Portland (PDX) to Seattle (SEA)

Popular airlines from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at CA $93 for one-way flights and CA $131 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Hawaiian Airlines
Delta
Delta
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
United

Find the cheapest month to fly from Portland (PDX) to Seattle (SEA)

January is typically the cheapest month to fly

From CA $105 - CA $297 per traveller.

Graph displaying average flight prices per month

0
Flight from Portland to Seattle (PDX - SEA) route information
Origin airport
Portland Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Roundtrip price
CA $131
Distance
206 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., PDX 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 $131 rising to CA $467.  

Here are more money-saving tips: 

  • Fly in October 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

How much is a flight from Portland Airport to Sea-Tac Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Portland Airport to SEA start from CA $131. Make your booking ASAP to score the best price for your big adventure. 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 Airport to SEA?
This can vary between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from Portland Intl. Airport (PDX) to SEA that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from PDX to Sea-Tac Airport. This allows you to lock in a fantastic price ahead of time and still have the freedom to reschedule without any extra fees. You'll just need to pay the difference in fare.
How many hours is the flight from Portland Intl. Airport (PDX) to Sea-Tac Airport?
With the flight time between PDX Airport and Sea-Tac Airport just 1 hour and 5 minutes, you'll be wandering around SeaTac in no time.
How far is the flight from Portland Intl. Airport (PDX) to Sea-Tac Airport?
A flight distance of just 210 kilometres separates Portland and SeaTac. Once you're up in the skies, you won't have time to do much more than read the magazine in your seat pocket.
Which airlines fly direct from PDX Airport to Sea-Tac Airport?
One airline that operates on the route from Portland Intl. Airport (PDX) to Sea-Tac Airport is Alaska Airlines (AS). It offers 378 flights monthly. Another carrier servicing this route is Delta (DL). You'll have 208 flights every month to take your pick of.
Are PDX to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Portland Airport to Seattle - Tacoma Intl. Airport (SEA) can be hit-or-miss. You might be lucky and score a bargain, but you could also miss out completely! If you'd rather start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines release their prices that far in advance. Our top tip? Check back often as updates are made frequently.

Explore a world of travel with Expedia

Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available to Expedia members.