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฿2,940 Cheap Flights from Seattle (SEA) to Portland (PDX)

View ฿2,940 flight on Fri, 30 Oct 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿2,940 for one-way flights and ฿3,890 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 24 Oct - Tue, 27 Oct
SEA
Seattle
PDX
Portland
฿3,890 Return, found 2 days ago
฿3,890
Return
found 2 days ago
Select Delta flight, departing Sat, 24 Oct from Seattle to Portland, returning Tue, 27 Oct, priced at ฿3,890 found 2 days ago
Delta
Sat, 24 Oct - Tue, 27 Oct
SEA
Seattle
PDX
Portland
฿5,540 Return, found 2 days ago
฿5,540
Return
found 2 days ago
Select Delta flight, departing Sat, 24 Oct from Seattle to Portland, returning Tue, 27 Oct, priced at ฿5,540 found 2 days ago
Delta
Fri, 11 Dec - Fri, 1 Jan
SEA
Seattle
PDX
Portland
฿5,875 Return, found 3 days ago
฿5,875
Return
found 3 days ago
Select Delta flight, departing Fri, 11 Dec from Seattle to Portland, returning Fri, 1 Jan, priced at ฿5,875 found 3 days ago
Delta
Fri, 11 Dec - Fri, 1 Jan
SEA
Seattle
PDX
Portland
฿6,570 Return, found 3 days ago
฿6,570
Return
found 3 days ago
Select Delta flight, departing Fri, 11 Dec from Seattle to Portland, returning Fri, 1 Jan, priced at ฿6,570 found 3 days ago
Delta
Fri, 11 Dec - Fri, 1 Jan
SEA
Seattle
PDX
Portland
฿7,690 Return, found 3 days ago
฿7,690
Return
found 3 days ago
Select Delta flight, departing Fri, 11 Dec from Seattle to Portland, returning Fri, 1 Jan, priced at ฿7,690 found 3 days ago
Delta
Fri, 13 Nov - Sun, 15 Nov
SEA
Seattle
PDX
Portland
฿7,860 Return, found 6 days ago
฿7,860
Return
found 6 days ago
Select Delta flight, departing Fri, 13 Nov from Seattle to Portland, returning Sun, 15 Nov, priced at ฿7,860 found 6 days ago
Delta
Sat, 24 Oct - Tue, 27 Oct
SEA
Seattle
PDX
Portland
฿8,785 Return, found 2 days ago
฿8,785
Return
found 2 days ago
Select Delta flight, departing Sat, 24 Oct from Seattle to Portland, returning Tue, 27 Oct, priced at ฿8,785 found 2 days ago
Delta
Sat, 24 Oct - Tue, 27 Oct
SEA
Seattle
PDX
Portland
฿9,515 Return, found 2 days ago
฿9,515
Return
found 2 days ago
Select Delta flight, departing Sat, 24 Oct from Seattle to Portland, returning Tue, 27 Oct, priced at ฿9,515 found 2 days ago
United
Sat, 24 Oct - Tue, 27 Oct
SEA
Seattle
PDX
Portland
฿10,135 Return, found 2 days ago
฿10,135
Return
found 2 days ago
Select United flight, departing Sat, 24 Oct from Seattle to Portland, returning Tue, 27 Oct, priced at ฿10,135 found 2 days ago
American Airlines
Fri, 11 Dec - Fri, 1 Jan
SEA
Seattle
PDX
Portland
฿13,115 Return, found 3 days ago
฿13,115
Return
found 3 days ago
Select American Airlines flight, departing Fri, 11 Dec from Seattle to Portland, returning Fri, 1 Jan, priced at ฿13,115 found 3 days ago

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

October is typically the cheapest month to fly

From ฿5,825 - ฿8,503 per traveller.

Frequently asked questions

How much is a flight from SEA to Portland Airport?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Seattle - Tacoma Intl. Airport (SEA) and PDX Airport start from ฿3,890. Make your booking ASAP to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Portland Airport?
We understand that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport to Portland Intl. Airport (PDX) 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 SEA to PDX flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from SEA to Portland Airport?
The average flight time from SEA to Portland Intl. Airport (PDX) is only 55 minutes. If you're lucky, you might just get through an entire movie before you land!
How far is the flight from Sea-Tac Airport to Portland Intl. Airport (PDX)?
It's only 210 kilometres from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX). It's quite possible that you'll spend more time travelling to and from the airport than you will actually flying!
Which airlines fly direct from SEA to PDX?
Alaska Airlines (AS) is a popular choice. It operates 495 flights between Sea-Tac Airport and PDX each month. Delta Air Lines (DL) is another popular choice. It offers 212 flights each month. Between these two airlines, you'll be able to find a good deal from SeaTac to Portland.
Are Sea-Tac Airport to PDX Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to Portland Airport at the last minute could be your ticket to a great deal. However, it might cost you a whole lot more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Travel information

0
Origin airport
Seattle - Tacoma Intl.
Destination airport
Portland Intl.
Return price
฿3,890
Distance
206 km

Book with confidence

Perfect flights from Seattle to Portland

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Portland. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Portland Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿2,940 and roundtrip prices from ฿3,890. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Portland Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Portland.
Perfect flights from Seattle to Portland
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