CA $162 Cheap Flights from Portland (PDX) to Seattle (SEA)

View CA $162 flight on Sat, May 16, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $162 for one-way flights and CA $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 16 - Wed, Jun 3
PDX
Portland
SEA
Seattle
CA $269 Roundtrip, found 3 days ago
CA $269
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, May 16 from Portland to Seattle, returning Wed, Jun 3, priced at CA $269 found 3 days ago
Alaska Airlines
Fri, May 15 - Sat, May 30
PDX
Portland
SEA
Seattle
CA $283 Roundtrip, found 3 days ago
CA $283
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, May 15 from Portland to Seattle, returning Sat, May 30, priced at CA $283 found 3 days ago
Alaska Airlines
Sat, May 16 - Sun, May 17
PDX
Portland
SEA
Seattle
CA $285 Roundtrip, found 6 days ago
CA $285
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Portland to Seattle, returning Sun, May 17, priced at CA $285 found 6 days ago
Delta
Fri, May 15 - Thu, Jun 4
PDX
Portland
SEA
Seattle
CA $297 Roundtrip, found 3 days ago
CA $297
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, May 15 from Portland to Seattle, returning Thu, Jun 4, priced at CA $297 found 3 days ago
Delta
Tue, Jun 2 - Tue, Jun 16
PDX
Portland
SEA
Seattle
CA $304 Roundtrip, found 3 days ago
CA $304
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jun 2 from Portland to Seattle, returning Tue, Jun 16, priced at CA $304 found 3 days ago
Alaska Airlines
Sat, May 16 - Sun, May 17
PDX
Portland
SEA
Seattle
CA $305 Roundtrip, found 6 days ago
CA $305
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Portland to Seattle, returning Sun, May 17, priced at CA $305 found 6 days ago
Delta
Mon, Jun 1 - Tue, Jun 16
PDX
Portland
SEA
Seattle
CA $318 Roundtrip, found 3 days ago
CA $318
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jun 1 from Portland to Seattle, returning Tue, Jun 16, priced at CA $318 found 3 days ago
Alaska Airlines
Sat, May 16 - Sun, May 17
PDX
Portland
SEA
Seattle
CA $318 Roundtrip, found 6 days ago
CA $318
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Portland to Seattle, returning Sun, May 17, priced at CA $318 found 6 days ago
Alaska Airlines
Sat, May 16 - Sun, May 17
PDX
Portland
SEA
Seattle
CA $340 Roundtrip, found 6 days ago
CA $340
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Portland to Seattle, returning Sun, May 17, priced at CA $340 found 6 days ago
Alaska Airlines
Sat, May 16 - Sun, May 17
PDX
Portland
SEA
Seattle
CA $343 Roundtrip, found 6 days ago
CA $343
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Portland to Seattle, returning Sun, May 17, priced at CA $343 found 6 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $420
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $420

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 $269. 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.

Frequently asked questions

How much does a flight from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between $255 and $2,316 and return flights often range between $255 and $2,316. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter PDX to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Portland, OR (PDX-Portland Intl.) (PDX) to Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) will differ from traveler to traveler. If you like to fly early, DL offers early morning flights. If price is the most important factor, AS typically offers the lowest fares. UA offers the most daily flights from Portland, OR (PDX-Portland Intl.) (PDX) to Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 9 nonstop flights per day from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). For even more choice, look at flights that include layovers. You'll find around 60 connecting flights per day. Some common connection points include San Francisco Intl. (SFO), Denver Intl. (DEN), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 12:05 AM local time, operated by American Airlines. This is a seasonal service active in June and July. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Portland Intl. (PDX) to Seattle - Tacoma Intl. (SEA) on a Friday, with around 51 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, Southwest Airlines, and United Airlines.
What are the most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Portland Intl. (PDX) to Seattle - Tacoma Intl. (SEA) are in the morning, between 9am and 12pm. About 22% of passengers prefer this time window. Many major carriers, including Alaska Airlines, Delta Air Lines and Southwest Airlines, offer flights during this window. This timing works well because it allows you to start your travel day a little later while still arriving at your destination with plenty of time for activities.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A nonstop flight from PDX to SEA typically takes around 1 hour 20 minutes, covering approximately 129 miles. Connecting flights on this route usually add 8 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for PDX to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Portland Intl. (PDX)?
From Portland Intl. (PDX), you can fly into Seattle - Tacoma Intl. (SEA) and Boeing Field (BFI) in Seattle. Some flights may connect through major hubs like McCarran Intl. (LAS), Sky Harbor Intl. (PHX), Oakland Intl. (OAK) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Portland, OR (PDX-Portland Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Portland Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
CA $269
Distance
206 km

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