฿2,560 Cheap Flights from Seattle (SEA) to Portland (PDX)

View ฿2,560 flight on Wed, 17 Sep 2025Opens 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 ฿2,560 for one-way flights and ฿3,825 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
PDX
Portland
฿3,825 Return, found 3 days ago
฿3,825
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Oct from Seattle to Portland, returning Sat, 25 Oct, priced at ฿3,825 found 3 days ago
Delta
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
PDX
Portland
฿4,470 Return, found 3 days ago
฿4,470
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Oct from Seattle to Portland, returning Sat, 25 Oct, priced at ฿4,470 found 3 days ago
Delta
Thu, 16 Oct - Tue, 28 Oct
SEA
Seattle
PDX
Portland
฿4,795 Return, found 3 days ago
฿4,795
Return
found 3 days ago
Select Delta flight, departing Thu, 16 Oct from Seattle to Portland, returning Tue, 28 Oct, priced at ฿4,795 found 3 days ago
Delta
Tue, 21 Oct - Wed, 22 Oct
SEA
Seattle
PDX
Portland
฿5,120 Return, found 3 days ago
฿5,120
Return
found 3 days ago
Select Delta flight, departing Tue, 21 Oct from Seattle to Portland, returning Wed, 22 Oct, priced at ฿5,120 found 3 days ago
Delta
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
PDX
Portland
฿5,445 Return, found 3 days ago
฿5,445
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Oct from Seattle to Portland, returning Sat, 25 Oct, priced at ฿5,445 found 3 days ago
Delta
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
PDX
Portland
฿5,770 Return, found 3 days ago
฿5,770
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Oct from Seattle to Portland, returning Sat, 25 Oct, priced at ฿5,770 found 3 days ago
Delta
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
PDX
Portland
฿6,095 Return, found 3 days ago
฿6,095
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Oct from Seattle to Portland, returning Sat, 25 Oct, priced at ฿6,095 found 3 days ago
Delta
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
PDX
Portland
฿6,420 Return, found 3 days ago
฿6,420
Return
found 3 days ago
Select Delta flight, departing Sat, 18 Oct from Seattle to Portland, returning Sat, 25 Oct, priced at ฿6,420 found 3 days ago
United
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
PDX
Portland
฿8,980 Return, found 3 days ago
฿8,980
Return
found 3 days ago
Select United flight, departing Sat, 18 Oct from Seattle to Portland, returning Sat, 25 Oct, priced at ฿8,980 found 3 days ago
American Airlines
Sat, 18 Oct - Sat, 25 Oct
SEA
Seattle
PDX
Portland
฿10,800 Return, found 3 days ago
฿10,800
Return
found 3 days ago
Select American Airlines flight, departing Sat, 18 Oct from Seattle to Portland, returning Sat, 25 Oct, priced at ฿10,800 found 3 days ago

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

January is typically the cheapest month to fly

From ฿2,470 - ฿7,033 per traveller.

Graph displaying average flight prices per month

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Flight from Seattle to Portland route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Portland Intl.
Return price
฿3,825
Distance
206 km

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 ฿2,560 and roundtrip prices from ฿3,825. 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.

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 ฿3,825. 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.

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