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

Bundle Your Flight + Hotel & Save!

Featured airlines

Top nine airline logos for desktop

    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*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Flights from Portland (PDX) to Seattle (BFI)
Origin airport
Portland Intl.
Destination airport
Boeing Field
Distance
135 mi

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!

Frequently asked questions

How long does it take to fly from PDX to BFI?
With Sun Country Airlines, a direct flight takes about 1 hour and 1 minute. Step on board the 3:30PM flight from PDX and touch down at King County International Airport at 4:31PM. Grab an amazing deal on this and many other routes when you book with Expedia.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Boeing Field Airport (BFI) last minute?
When it comes to booking your flights, it pays to be prepared. While it’s possible to score a deal on a PDX to BFI flight at the last minute, fares usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international journeys it’s three to four months.
Can I find cheap nonstop flights from Portland Airport to Boeing Field Airport (BFI) in the next three months?
To source nonstop cheap flights flying from PDX to Boeing Field, use our filters after you’ve hit the search button. Simply click on “Nonstop” under “Filter by” on the left side of the page to view your options. Your results will be listed from the lowest price, so you can see the cheapest nonstop fares first. You can also compare prices for surrounding days by clicking “Flexible dates” located on the same page.
What airports do you fly into for Seattle from Portland?
Boeing Field Airport (BFI), Seattle - Tacoma Intl. Airport (SEA) and Renton Municipal Airport (RNT) are your options when jetting from Portland to Seattle. Around 5 mi south of central Seattle, Boeing Field Airport (BFI) is the city’s main gateway. Keep in mind factors like flight arrival and departure times and the distance to your hotel before settling on an airport. Space Needle and Pike Place Market are two great attractions to put on your to-do list when you reach your destination.
What are the most popular departure times for flights from Portland Intl. Airport (PDX) to BFI?
For Sun Country Airlines flights jetting out from Portland Airport to Boeing Field Airport (BFI), the most popular period is between 3:00 PM - 4:00 PM. If you’d like to avoid any delays, head out in the morning. This gives you a better chance to escape the air traffic that builds up in the afternoon.
Can I change the date of my flight from PDX to BFI?
Plans can get upended, so Expedia is here to help make things easier. First, access your PDX to Boeing Field Airport (BFI) itinerary through the Expedia Trips portal and browse the fare rules and restrictions about what changes are allowed. If you booked your fare in the last 24 hours, some airlines will let you cancel at no cost and organize new flights. If you booked your fare more than 24 hours ago, contact us via our Customer Service portal to learn more about your options.
Seattle nearby Airports

Seattle

Portland to Seattle Paine Field Intl. Airport
$130.60

Seattle Paine Field Intl. Airport

Portland to Seattle Paine Field Intl. Airport
$275.19
*Available to One Key members.