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

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save on select hotels after you book a flight*
  • trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

How long does it take to fly from PDX Airport to Sea-Tac Airport?
Alaska Airlines operates a direct flight leaving from Portland Intl. Airport (PDX) at 1:25PM and reaching Seattle - Tacoma Intl. Airport (SEA) at 2:20PM — a total flight time of 55 minutes. Choose the best available seat, bring your headphones to keep you entertained and the time will fly by.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Seattle - Tacoma Intl. Airport (SEA) last minute?
Booking your flight from PDX Airport to Sea-Tac Airport last minute could save you a nice sum if you're lucky enough to find a good deal. However, tickets generally don't get cheaper closer to the departure date. If you take a wait-and-see approach, flights could also be sold out or the best seats taken. If you'd prefer to play it safe, book well in advance of the date you want to leave. In fact, you can find some of the biggest deals up to a year in advance. If your preferred airline hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.
What airline has the least delays from PDX to SEA?
Travel with Alaska Airlines from Portland Intl. Airport (PDX) to Seattle - Tacoma Intl. Airport (SEA) and you're more likely to arrive at the time listed on your boarding card. This carrier has the best performance on this route, with 100% of flights arriving on time. If your flight is delayed for some reason, the Expedia App is an easy way to stay up to date. Download it and receive immediate trip alerts, from flight delays to gate changes and the carousel number to collect your luggage.
What airports do you fly into for Seattle from Portland?
From Portland, you can connect to Seattle via Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI). Determine which terminal is the most convenient for you before making your decision. If you settle on Seattle - Tacoma Intl. Airport (SEA), it's about 19 kilometers south of downtown. Use the money you save when booking your journey with Expedia to tour the city's well-known sights, such as Space Needle and Pike Place Market.
What are the most popular departure times for flights from PDX Airport to Sea-Tac Airport?
The most popular departure times for flights from Portland Airport to Seattle - Tacoma Intl. Airport (SEA) fall between 8:00 AM - 9:00 AM on Alaska Airlines. Our recommendation is to jet off in the morning. The earlier you leave, the greater your chances of a delay-free flight with lighter air traffic around.
Can I change the date of my flight from Portland Airport to Sea-Tac Airport?
We know life happens and plans change, so Expedia is here to help make things easier. First, find your Portland Airport to Seattle - Tacoma Intl. Airport (SEA) itinerary through the Expedia Trips portal and read the fare conditions and rules about what changes can be made. If you booked your ticket in the last 24 hours, some carriers will let you cancel at no cost and organize new flights. If you bought your fare more than 24 hours ago, contact us through our Customer Service portal so we can assist you further.

Travel information

Origin airport
Portland Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
206 km
Average flight time
1 hour 1 min

Book with confidence

Portland to Seattle Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Portland to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Portland to Seattle may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Seattle are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Seattle more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is now!

Portland to Seattle Flights

Explore a world of travel with Expedia