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Cheap flights from Seattle to Portland from $129

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:45 am - 12:19 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 34m1 stop New York John F Kennedy Intl
Delta Logo
6:00 am - 12:31 pmPWM  Portland-SEA Seattle/Tacoma Intl
9h 31m1 stop Atlanta Hartsfield-Jackson
$257Delta
Sat, Nov 14 - Tue, Nov 17
Delta Logo
11:45 am - 12:19 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 34m1 stop New York John F Kennedy Intl
Delta Logo
6:00 am - 5:10 pmPWM  Portland-SEA Seattle/Tacoma Intl
14h 10m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$262Delta
Sat, Nov 14 - Tue, Nov 17
Southwest Logo
12:15 am - 2:45 pmSEA  Seattle/Tacoma Intl-PWM Portland
11h 30m2 stops Chicago Midway Baltimore/Washington
Southwest Logo
5:15 am - 12:50 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 35m2 stops Baltimore/Washington Chicago Midway
$267Southwest
Fri, Nov 13 - Tue, Nov 17
American Airlines Logo
11:34 pm - 11:35 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 01m1 stop Chicago O'Hare Intl
American Airlines Logo
12:06 pm - 8:20 pmPWM  Portland-SEA Seattle/Tacoma Intl
11h 14m1 stop Chicago O'Hare Intl
$308American Airlines
Sat, Nov 14 - Tue, Nov 17
American Airlines Logo
11:28 pm - 11:44 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 16m1 stop Chicago O'Hare Intl
American Airlines Logo
12:18 pm - 8:18 pmPWM  Portland-SEA Seattle/Tacoma Intl
11h 00m1 stop Chicago O'Hare Intl
$308American Airlines
Sat, Feb 27 - Wed, Mar 3
Southwest Logo
6:30 pm - 9:50 amSEA  Seattle/Tacoma Intl-PWM Portland
12h 20m2 stops San Diego Baltimore/Washington
Southwest Logo
11:10 am - 11:05 pmPWM  Portland-SEA Seattle/Tacoma Intl
14h 55m2 stops Baltimore/Washington Denver Intl
$313Southwest
Thu, Dec 3 - Sun, Dec 6
United Airlines Logo
5:05 am - 4:02 pmSEA  Seattle/Tacoma Intl-PWM Portland
7h 57m1 stop Denver Intl
United Airlines Logo
3:23 pm - 11:15 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 52m1 stop Denver Intl
$387United Airlines
Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
7:00 am - 9:18 pmSEA  Seattle/Tacoma Intl-PWM Portland
11h 18m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
3:15 pm - 9:43 pmPWM  Portland-SEA Seattle/Tacoma Intl
9h 28m1 stop Newark
$392United Airlines
Sat, Feb 27 - Wed, Mar 3
Alaska Airlines Logo
1:59 pm - 12:23 amSEA  Seattle/Tacoma Intl-PWM Portland
7h 24m1 stop Washington, D.C. Reagan-National
Alaska Airlines Logo
11:10 am - 10:57 pmPWM  Portland-SEA Seattle/Tacoma Intl
14h 47m2 stops Washington, D.C. Reagan-National Portland
$886Alaska Airlines
Mon, Dec 21 - Sat, Jan 2
Alaska Airlines Logo
7:05 am - 12:23 amSEA  Seattle/Tacoma Intl-PWM Portland
14h 18m2 stops Los Angeles Washington, D.C. Reagan-National
Alaska Airlines Logo
11:10 am - 10:57 pmPWM  Portland-SEA Seattle/Tacoma Intl
14h 47m2 stops Washington, D.C. Reagan-National Portland
$923Alaska Airlines
Sun, Dec 20 - Sat, Jan 2

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Southwest flights from Seattle to Portland, Maine

Our best Southwest deals on Seattle to Portland, Maine flight tickets
Southwest
Nov 13
SEA12:15 amSeattle/Tacoma Intl
11h 30m
2 stops
PWM2:45 pmPortland
Nov 17
PWM5:15 amPortland
10h 35m
2 stops
SEA12:50 pmSeattle/Tacoma Intl
$267
Southwest
Dec 3
SEA6:30 pmSeattle/Tacoma Intl
12h 20m
2 stops
PWM9:50 amPortland
Dec 6
PWM11:10 amPortland
14h 55m
2 stops
SEA11:05 pmSeattle/Tacoma Intl
$313
Southwest
Dec 9
SEA6:10 amSeattle/Tacoma Intl
12h 40m
2 stops
PWM9:50 pmPortland
Dec 11
PWM1:40 pmPortland
14h 05m
2 stops
SEA12:45 amSeattle/Tacoma Intl
$449

American Airlines flights from Seattle to Portland, Maine

Our best American Airlines deals on Seattle to Portland, Maine flight tickets
American Airlines
Nov 14
SEA11:34 pmSeattle/Tacoma Intl
9h 01m
1 stop
PWM11:35 amPortland
Nov 17
PWM12:06 pmPortland
11h 14m
1 stop
SEA8:20 pmSeattle/Tacoma Intl
$308
American Airlines
Dec 3
SEA11:39 pmSeattle/Tacoma Intl
9h 19m
1 stop
PWM11:58 amPortland
Dec 6
PWM12:44 pmPortland
10h 47m
1 stop
SEA8:31 pmSeattle/Tacoma Intl
$359
American Airlines
Feb 10
SEA12:20 pmSeattle/Tacoma Intl
7h 28m
1 stop
PWM10:48 pmPortland
Feb 13
PWM2:35 pmPortland
12h 17m
2 stops
SEA11:52 pmSeattle/Tacoma Intl
$474

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 11/14

11:45 am-12:19 am

1 stop9h 34m

Portland

Tue 11/17

6:00 am-12:31 pm

1 stop9h 31m

$257

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 11/14

11:45 am-12:19 am

1 stop9h 34m

Portland

Tue 11/17

6:00 am-5:10 pm

2 stops14h 10m

$262

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Fri 11/13

12:15 am-2:45 pm

2 stops11h 30m

Portland

Tue 11/17

5:15 am-12:50 pm

2 stops10h 35m

$267

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 11/14

11:34 pm-11:35 am

1 stop9h 01m

Portland

Tue 11/17

12:06 pm-8:20 pm

1 stop11h 14m

$308

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 2/27

11:28 pm-11:44 am

1 stop9h 16m

Portland

Wed 3/3

12:18 pm-8:18 pm

1 stop11h 00m

$308

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Thu 12/3

6:30 pm-9:50 am

2 stops12h 20m

Portland

Sun 12/6

11:10 am-11:05 pm

2 stops14h 55m

$313
Quickest round-trip

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Wed 11/18

5:05 am-4:02 pm

1 stop7h 57m

Portland

Wed 11/25

3:23 pm-11:15 pm

1 stop10h 52m

$387

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 2/27

7:00 am-9:18 pm

2 stops11h 18m

Portland

Wed 3/3

3:15 pm-9:43 pm

1 stop9h 28m

$392

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Mon 12/21

1:59 pm-12:23 am

1 stop7h 24m

Portland

Sat 1/2

11:10 am-10:57 pm

2 stops14h 47m

$886

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sun 12/20

7:05 am-12:23 am

2 stops14h 18m

Portland

Sat 1/2

11:10 am-10:57 pm

2 stops14h 47m

$923

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Seattle to Portland, Maine

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 typical price of a round-trip flight between Seattle and Portland, Maine?

Prices are currently low for flights on this route.

Typical prices usually range from $444 to $650.
The lowest price recently found on this route was $257.

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Seattle is in January. Flight prices, which tend to average around $320, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $393.

How far in advance should I book a flight from Seattle to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $521 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Seattle for as low as $355 on momondo.

How have Seattle to Portland, Maine flight prices changed over time?

As of October 2026, prices for Seattle to Portland, Maine flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Portland, Maine (SEA to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Portland, Maine

Best Price Found

$129

Fastest flight time

8h 01m

Direct flights

None
The best one-way flight to Portland, Maine from Seattle in the past 72 hours is $129. The best round-trip flight deal from Seattle to Portland, Maine found on momondo in the last 72 hours is $257.
The fastest flight from Seattle to Portland, Maine takes 8h 01m
There are no direct flights from Seattle to Portland, Maine. There are no popular flight routes from Seattle to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Seattle to Portland, Maine

  • How far is Seattle/Tacoma Intl to Portland by plane?

    A flight from Seattle/Tacoma Intl to Portland will travel around 2481.6 mi. Flights usually cover this in 8h 01m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Portland Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Portland Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Portland Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Portland, Maine?

Best airlines flying from Seattle to Portland, Maine

Compare and see reviews for airlines that fly from Seattle to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $221Free CancellationRating
7.8
8,659 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.3
10,396 reviews
Search United Airlines flights
American AirlinesPriceFrom $285Free CancellationRating
7.0
12,183 reviews
Search American Airlines flights
SouthwestPriceFrom $390Free CancellationRating
7.9
4,208 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Jackson
Boothbay Harbor
Brunswick
Lewiston
Freeport
Conway
Auburn
Gorham
Bartlett
Bath
Windham
Intervale
Georgetown
Oxford
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Portland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Portland flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Portland?

Once all potential Seattle to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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