$43 Find Cheap Flights from Portland to Seattle

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Find cheap flights from Portland to Seattle starting at $43.

Book one-way or return flights from Portland to Seattle from as little as $43. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Portland to Seattle? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Portland to Seattle. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Portland to Seattle

View airlines operating flights from Portland to Seattle. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Alaska Airlines

From $43

Delta Air Lines

From $46

Southwest Airlines

From $174

American Airlines

From $189

United Airlines

From $213

ANA airlines

Find more flights and airlines

Find cheap flights from Portland to Seattle by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Portland to Seattle.

Cheapest
PDX
16:50
0h 59m
Direct
SEA
17:49
Portland International Airport - Seattle-Tacoma International Airport
Wed, May 15Alaska Airlines
$43
PDX
16:50
0h 59m
Direct
SEA
17:49
Portland International Airport - Seattle-Tacoma International Airport
Wed, May 15Alaska Airlines
$43
Find More Flights

Frequently Asked Questions

When are flight tickets from Portland (PDX) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from Portland to Seattle based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Portland (PDX) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around $187.
How long does it take to fly from Portland (PDX) to Seattle (SEA) and what is the distance?
It takes around 1 hour 1 minute to fly from Portland (PDX) to Seattle (SEA).
What is the transportation method from the main airport to downtown in Seattle?
- The distance from Seattle-Tacoma International Airport to downtown is about 17km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from Portland (PDX) to Seattle (SEA)?
Airlines with flights from Portland (PDX) to Seattle (SEA): Alaska Airlines, Delta Air Lines, Qatar Airways, China Eastern Airlines, Air Tahiti Nui, WestJet and Condor Airlines.

How to find a cheap flight from Portland to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to Seattle. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Portland to Seattle Flight Information

Cheapest nonstop flight price	$43
Cheapest round-trip ticket price	$76
Off-season for travel	January
Peak season for travel	October
Flight distance	208.22km
Average flight time	1 hour 1 minute
Popular airline	Alaska Airlines