Cheap Flight Tickets from Portland (PDX) to Seattle (SEA), Starting at $485

Good to Know: Cheapest and Fastest PDX - SEA Flights

Useful information for finding best airline tickets from Portland International to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$485

WN Southwest Airlines • 1 stop • 20h

Aug 14 – Aug 15

The cheapest round trip flight from Portland to Seattle (PDX-SEA-PDX) is currently $485

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Cheapest Direct Flight

$597

AS Alaska Airlines • nonstop • 58m

Aug 15

The cheapest nonstop flight from Portland to Seattle (PDX-SEA) is currently $597

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Fastest Flight

57m

The fastest nonstop flight from Portland to Seattle (PDX-SEA) takes 57m

Top Airlines Flying from Portland to Seattle

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Sun Country Airlines (SY)

Sun Country Airlines

Alaska Airlines -AS

Alaska Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Portland (PDX) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Portland to Seattle. Ideal for travelers with confirmed return itineraries.

Aug 14 - Aug 15, Economy
WN
Portland → Seattle
20h
12:20 PM - 12:20 AM • 1 stop
WN
Portland → Seattle
20h 40m
5:00 AM - 5:40 PM • 2 stops
$485
Southwest Airlines
Aug 14 - Aug 15, Economy
WN
Portland → Seattle
10h 35m
4:20 PM - 10:55 PM • 1 stop
WN
Portland → Seattle
20h 40m
5:00 AM - 5:40 PM • 2 stops
$485
Southwest Airlines
Aug 14 - Aug 15, Economy
WN
Portland → Seattle
17h
10:55 AM - 9:15 PM • 1 stop
WN
Portland → Seattle
22h
5:00 AM - 6:20 PM • 1 stop
$542
Southwest Airlines
Aug 15 - Aug 16, Economy
AS
Portland → Seattle
58m
6:19 AM - 7:17 AM • nonstop
AS
Portland → Seattle
57m
5:59 PM - 6:56 PM • nonstop
$597
Alaska Airlines
Aug 14 - Aug 15, Economy
AS
Portland → Seattle
1h 41m
7:19 AM - 8:20 AM • nonstop
AS
Portland → Seattle
8h 30m
11:37 AM - 4:47 PM • 1 stop
$875
Alaska Airlines
Aug 14 - Aug 15, Economy
AS
Portland → Seattle
57m
8:30 PM - 9:27 PM • nonstop
AS
Portland → Seattle
8h 30m
11:37 AM - 4:47 PM • 1 stop
$875
Alaska Airlines

Fly from Portland to Seattle with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Portland to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Portland to Seattle Flights

What are the airports in Portland?
PDX
What’s the most popular airline flying from PDX to SEA?
The most popular airline flying from Portland to Seattle are
Can I fly from PDX to SEA non-stop?
Yes, you can fly PDX to SEA non-stop on
Which airlines fly nonstop between Portland and Seattle?
The non-stop flights between Portland and Seattle are .
What’s the earliest departure time from PDX to SEA Airport?
The earliest flight leaves PDX at 6:19 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Portland to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PDX to SEA?
Read the fare rules of the Portland to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Portland and Seattle?
operate flights between Portland and Seattle
How long does a flight from Portland to Seattle take?
It takes approximately 1 hour to fly non-stop from PDX to SEA, which is 129.23 miles by air.
Which airlines provide the cheapest flights from Portland (PDX) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from PDX were found on AS : USD 875
Do I need a passport to fly between PDX and SEA?
No
What’s the latest departure time from PDX to SEA ?
The last flight leaves PDX at 8:30 pm

Portland (PDX) to Seattle (SEA): Airport Information

Origin Airport Portland International , Portland, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 129 miles

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