Cheap flights from Portland to Seattle

Round-trip
Economy
Portland (PDX)
Seattle (SEA)
Sat 10/31
Sat 11/7
Any month
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Flight information for Portland to Seattle

Find info about flight duration, direct flights, and airports for your flight from Portland to Seattle
Best Price Found $137 The best flight deal from Portland to Seattle found on momondo in the last 72 hours is $137
Fastest flight time 0h 52m The fastest flight from Portland to Seattle takes 0h 52m.
Direct flights Fr, Sa and Su Direct flights go from Portland to Seattle on Friday, Saturday and Sunday. Airline offering direct flights is Alaska Airlines..
Airports in Seattle 3 airports There are 3 airports near Seattle: Seattle King County/Boeing (BFI), Seattle Lake Union Spb (LKE), Seattle/Tacoma Intl (SEA)

How to get the cheapest flight ticket from Portland to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
September
The cheapest time of year to fly to Seattle from Portland is September. Most expensive is August
What is the cheapest day to fly to Seattle?
Friday
The cheapest day of the week is typically Friday. The most expensive is typically Monday
When is the cheapest time to fly to Seattle?
in the evening
Portland to Seattle flights are approximately 21% more expensive in the morning than in the evening
What is the cheapest route?
Portland - Seattle/Tacoma Intl
Fly from Portland to Seattle/Tacoma Intl for the best Portland - Seattle flight prices
PDX
Portland
SEA
Seattle/Tacoma Intl
When is the cheapest time to book a flight to Seattle?
30 days before
The cheapest time to buy a flight from Portland to Seattle is approximately 30 days to departure
60
Days before departure
0

Easily compare round-trip flights from Portland to Seattle

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Portland to Seattle by changing tabs
Cheapest
Best
Quickest
Delta
Oct 28
PDX
Portland
1h 03m
SEA
Seattle/Tacoma Intl
Nov 4
SEA
Seattle/Tacoma Intl
1h 00m
PDX
Portland
Multiple Airlines
Dec 9
PDX
Portland
0h 59m
SEA
Seattle/Tacoma Intl
Jan 23
SEA
Seattle/Tacoma Intl
6h 05m
1 stop
PDX
Portland
Spirit Airlines
Nov 6
PDX
Portland
5h 54m
1 stop
SEA
Seattle/Tacoma Intl
Nov 8
SEA
Seattle/Tacoma Intl
9h 26m
1 stop
PDX
Portland

Find the cheapest one-way flights from Portland to Seattle

If you're looking for one-way flights from Portland to Seattle, view some of our deals below provided by Delta
Cheapest
Best
Quickest
Delta
Oct 24
PDX
Portland
0h 59m
SEA
Seattle/Tacoma Intl
Multiple Airlines
Oct 24
PDX
Portland
9h 30m
1 stop
SEA
Seattle/Tacoma Intl
Spirit Airlines
Nov 15
PDX
Portland
7h 32m
1 stop
SEA
Seattle/Tacoma Intl

Which airlines flying from Portland to Seattle have COVID-19 safety policies in place?

Many airlines have put safety measures in place to reduce the spread of COVID-19. Two of the airlines doing this are Delta and Alaska Airlines. Airlines flying from Portland to Seattle are working to protect travelers. Some of these new policies include temperature checks, pre-flight testing, sanitization of key touchpoints, as well as mask requirements when onboard. Some airlines have even implemented socially distanced seating for a limited time. Policies will vary by airline.

Are airlines flying from Portland to Seattle offering flexible cancellation due to COVID-19?

Due to the global impact of COVID-19, some of our airline partners operating flights from Portland to Seattle, such as Alaska Airlines, Delta, and Amtrak may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.


Alternative routes for Portland to Seattle

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Medford to Seattle Flights
Fastest flight time
1h 25m
Cheapest price
$115
Portland to Spokane Flights
Fastest flight time
0h 59m
Cheapest price
$116
Eugene to Seattle Flights
Fastest flight time
1h 17m
Cheapest price
$137
Eugene to Spokane Flights
Fastest flight time
2h 53m
Cheapest price
$206
Medford to Spokane Flights
Fastest flight time
3h 01m
Cheapest price
$212
Portland to Bellingham Flights
Fastest flight time
5h 10m
Cheapest price
$456
Portland to Walla Walla Flights
Fastest flight time
3h 58m
Cheapest price
$782
View more

Flights from Portland to:

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Economy
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Economy
  • Economy
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  • First
Economy
  • Economy
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  • First