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Cheap flights from Seattle to Portland from $170

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.
American Airlines Logo
11:07 am - 10:56 pmSEA  Seattle/Tacoma Intl-PWM Portland
8h 49m1 stop Charlotte Douglas
American Airlines Logo
12:15 pm - 8:13 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 58m1 stop Chicago O'Hare Intl
$385American Airlines
Sat, Feb 27 - Wed, Mar 3
Delta Logo
11:15 pm - 11:57 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 42m1 stop Detroit Metropolitan Wayne County
Delta Logo
12:49 pm - 6:43 pmPWM  Portland-SEA Seattle/Tacoma Intl
8h 54m1 stop Detroit Metropolitan Wayne County
$385Delta
Wed, Dec 9 - Fri, Dec 11
Delta Logo
6:00 am - 9:07 pmSEA  Seattle/Tacoma Intl-PWM Portland
12h 07m2 stops Minneapolis St Paul New York LaGuardia
Delta Logo
3:05 pm - 10:05 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 00m1 stop New York John F Kennedy Intl
$390Delta
Sat, Feb 27 - Wed, Mar 3
Southwest Logo
7:00 am - 9:50 pmSEA  Seattle/Tacoma Intl-PWM Portland
11h 50m2 stops San Diego Baltimore/Washington
Southwest Logo
10:25 am - 10:20 pmPWM  Portland-SEA Seattle/Tacoma Intl
14h 55m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
$423Southwest
Tue, Dec 1 - Tue, Dec 8
Southwest Logo
6:45 am - 11:55 pmSEA  Seattle/Tacoma Intl-PWM Portland
14h 10m2 stops Las Vegas Harry Reid Intl Baltimore/Washington
Southwest Logo
1:25 pm - 11:10 pmPWM  Portland-SEA Seattle/Tacoma Intl
12h 45m2 stops Baltimore/Washington Denver Intl
$423Southwest
Thu, Dec 17 - Fri, Dec 18
United Airlines Logo
7:00 am - 11:32 pmSEA  Seattle/Tacoma Intl-PWM Portland
13h 32m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
2:45 pm - 8:40 pmPWM  Portland-SEA Seattle/Tacoma Intl
8h 55m1 stop Washington, D.C. Dulles Intl
$439United Airlines
Sat, Jan 23 - Fri, Mar 12
United Airlines Logo
8:08 am - 7:10 pmSEA  Seattle/Tacoma Intl-PWM Portland
8h 02m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
2:45 pm - 8:40 pmPWM  Portland-SEA Seattle/Tacoma Intl
8h 55m1 stop Washington, D.C. Dulles Intl
$445United Airlines
Sat, Jan 23 - Fri, Mar 12
American Airlines Logo
10:29 pm - 11:15 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 46m1 stop Charlotte Douglas
American Airlines Logo
7:07 am - 2:27 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 20m1 stop Chicago O'Hare Intl
$483American Airlines
Mon, Apr 12 - Thu, Apr 15
Alaska Airlines Logo
9:33 pm - 12:16 pmSEA  Seattle/Tacoma Intl-PWM Portland
11h 43m1 stop Philadelphia
Alaska Airlines Logo
11:19 am - 10:57 pmPWM  Portland-SEA Seattle/Tacoma Intl
14h 38m2 stops Washington, D.C. Reagan-National Portland
$1,048Alaska Airlines
Wed, Dec 23 - Sat, Dec 26
Alaska Airlines Logo
4:54 pm - 12:23 amSEA  Seattle/Tacoma Intl-PWM Portland
28h 29m2 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
$1,142Alaska Airlines
Tue, Dec 22 - Sat, Jan 2

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Delta flights from Seattle to Portland, Maine

Our best Delta deals on Seattle to Portland, Maine flight tickets
Delta
Dec 9
SEA11:15 pmSeattle/Tacoma Intl
9h 42m
1 stop
PWM11:57 amPortland
Dec 11
PWM12:49 pmPortland
8h 54m
1 stop
SEA6:43 pmSeattle/Tacoma Intl
$385
Delta
Dec 9
SEA11:55 amSeattle/Tacoma Intl
9h 26m
1 stop
PWM12:21 amPortland
Dec 11
PWM4:53 pmPortland
10h 00m
2 stops
SEA11:53 pmSeattle/Tacoma Intl
$390
Delta
Apr 13
SEA11:15 amSeattle/Tacoma Intl
9h 34m
1 stop
PWM11:49 pmPortland
Apr 20
PWM2:35 pmPortland
10h 27m
1 stop
SEA10:02 pmSeattle/Tacoma Intl
$395

American Airlines flights from Seattle to Portland, Maine

Our best American Airlines deals on Seattle to Portland, Maine flight tickets
American Airlines
Dec 1
SEA3:15 pmSeattle/Tacoma Intl
17h 43m
1 stop
PWM11:58 amPortland
Dec 8
PWM12:15 pmPortland
11h 16m
1 stop
SEA8:31 pmSeattle/Tacoma Intl
$502
American Airlines
Apr 12
SEA10:29 pmSeattle/Tacoma Intl
9h 46m
1 stop
PWM11:15 amPortland
Apr 17
PWM6:01 pmPortland
9h 35m
1 stop
SEA12:36 amSeattle/Tacoma Intl
$536
American Airlines
Apr 11
SEA12:34 pmSeattle/Tacoma Intl
7h 48m
1 stop
PWM11:22 pmPortland
Apr 15
PWM6:01 pmPortland
9h 35m
1 stop
SEA12:36 amSeattle/Tacoma Intl
$541

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 2/27

11:07 am-10:56 pm

1 stop8h 49m

Portland

Wed 3/3

12:15 pm-8:13 pm

1 stop10h 58m

$385

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Wed 12/9

11:15 pm-11:57 am

1 stop9h 42m

Portland

Fri 12/11

12:49 pm-6:43 pm

1 stop8h 54m

$385

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 2/27

6:00 am-9:07 pm

2 stops12h 07m

Portland

Wed 3/3

3:05 pm-10:05 pm

1 stop10h 00m

$390

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 12/1

7:00 am-9:50 pm

2 stops11h 50m

Portland

Tue 12/8

10:25 am-10:20 pm

2 stops14h 55m

$423

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Thu 12/17

6:45 am-11:55 pm

2 stops14h 10m

Portland

Fri 12/18

1:25 pm-11:10 pm

2 stops12h 45m

$423

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 1/23

7:00 am-11:32 pm

2 stops13h 32m

Portland

Fri 3/12

2:45 pm-8:40 pm

1 stop8h 55m

$439
Quickest round-trip

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 1/23

8:08 am-7:10 pm

1 stop8h 02m

Portland

Fri 3/12

2:45 pm-8:40 pm

1 stop8h 55m

$445

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Mon 4/12

10:29 pm-11:15 am

1 stop9h 46m

Portland

Thu 4/15

7:07 am-2:27 pm

1 stop10h 20m

$483

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Wed 12/23

9:33 pm-12:16 pm

1 stop11h 43m

Portland

Sat 12/26

11:19 am-10:57 pm

2 stops14h 38m

$1,048

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 12/22

4:54 pm-12:23 am

2 stops28h 29m

Portland

Sat 1/2

11:10 am-10:57 pm

2 stops14h 47m

$1,142

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 $428 to $703.
The lowest price recently found on this route was $385.

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 November 2026, prices for Seattle to Portland, Maine flights are approximately 39% cheaper 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

$170

Fastest flight time

7h 02m

Direct flights

None
The best one-way flight to Portland, Maine from Seattle in the past 72 hours is $170. The best round-trip flight deal from Seattle to Portland, Maine found on momondo in the last 72 hours is $385.
The fastest flight from Seattle to Portland, Maine takes 7h 02m
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 7h 02m, 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
8,696 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.3
10,460 reviews
Search United Airlines flights
American AirlinesPriceFrom $285Free CancellationRating
7.0
12,230 reviews
Search American Airlines flights
SouthwestPriceFrom $390Free CancellationRating
8.0
4,215 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
Gorham
Auburn
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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