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Cheap flights from Seattle to Portland from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Portland departing on 3/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:57 pm - 12:19 pm
SEA
-
PWM
10h 22m
1 stop
American Airlines Logo
6:00 pm - 12:24 am
PWM
-
SEA
9h 24m
1 stop
$241American Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
7:10 pm - 10:49 am
SEA
-
PWM
12h 39m
2 stops
United Airlines Logo
4:23 pm - 10:45 pm
PWM
-
SEA
9h 22m
1 stop
$246United Airlines
Wed, Mar 4 - Wed, Mar 11
Delta Logo
11:15 pm - 11:18 am
SEA
-
PWM
9h 03m
2 stops
Delta Logo
5:23 am - 1:55 pm
PWM
-
SEA
11h 32m
1 stop
$273Delta
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
10:48 am - 9:40 pm
SEA
-
PWM
7h 52m
1 stop
United Airlines Logo
4:23 pm - 10:37 pm
PWM
-
SEA
9h 14m
1 stop
$284United Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
10:57 pm - 12:19 pm
SEA
-
PWM
10h 22m
1 stop
American Airlines Logo
5:40 pm - 12:24 am
PWM
-
SEA
9h 44m
1 stop
$295American Airlines
Mon, Mar 2 - Thu, Mar 5
United Airlines Logo
5:00 am - 9:40 pm
SEA
-
PWM
13h 40m
2 stops
United Airlines Logo
6:04 am - 11:48 am
PWM
-
SEA
8h 44m
1 stop
$300United Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
8:20 am - 9:44 pm
SEA
-
PWM
10h 24m
1 stop
American Airlines Logo
5:36 pm - 12:57 am
PWM
-
SEA
10h 21m
1 stop
$301American Airlines
Fri, May 29 - Tue, Jun 2
Delta Logo
11:59 pm - 11:57 am
SEA
-
PWM
8h 58m
2 stops
Delta Logo
11:02 am - 8:39 pm
PWM
-
SEA
12h 37m
2 stops
$305Delta
Fri, May 29 - Tue, Jun 2
American Airlines Logo
7:15 am - 10:59 pm
SEA
-
PWM
12h 44m
2 stops
American Airlines Logo
5:40 pm - 12:24 am
PWM
-
SEA
9h 44m
1 stop
$314American Airlines
Tue, Feb 17 - Wed, Feb 18
American Airlines Logo
6:00 am - 6:51 pm
SEA
-
PWM
9h 51m
1 stop
American Airlines Logo
5:36 pm - 12:57 am
PWM
-
SEA
10h 21m
1 stop
$317American Airlines
Thu, May 28 - Mon, Jun 1

Delta flights from Seattle to Portland, Maine

Our best Delta deals on Seattle to Portland, Maine flight tickets
Delta
Mar 2
SEA11:15 pmSeattle/Tacoma Intl
9h 03m
2 stops
PWM11:18 amPortland
Mar 9
PWM5:23 amPortland
11h 32m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$273
Delta
May 29
SEA11:59 pmSeattle/Tacoma Intl
8h 58m
2 stops
PWM11:57 amPortland
Jun 2
PWM11:02 amPortland
12h 37m
2 stops
SEA8:39 pmSeattle/Tacoma Intl
$305
Delta
Feb 17
SEA2:00 pmSeattle/Tacoma Intl
7h 18m
1 stop
PWM12:18 amPortland
Feb 18
PWM2:35 pmPortland
10h 47m
1 stop
SEA10:22 pmSeattle/Tacoma Intl
$330

American Airlines flights from Seattle to Portland, Maine

Our best American Airlines deals on Seattle to Portland, Maine flight tickets
American Airlines
Mar 2
SEA10:57 pmSeattle/Tacoma Intl
10h 22m
1 stop
PWM12:19 pmPortland
Mar 9
PWM6:00 pmPortland
9h 24m
1 stop
SEA12:24 amSeattle/Tacoma Intl
$241
American Airlines
Mar 2
SEA10:57 pmSeattle/Tacoma Intl
10h 22m
1 stop
PWM12:19 pmPortland
Mar 5
PWM5:40 pmPortland
9h 44m
1 stop
SEA12:24 amSeattle/Tacoma Intl
$295
American Airlines
May 29
SEA8:20 amSeattle/Tacoma Intl
10h 24m
1 stop
PWM9:44 pmPortland
Jun 2
PWM5:36 pmPortland
10h 21m
1 stop
SEA12:57 amSeattle/Tacoma Intl
$301

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Portland, Maine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
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

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 3/2

10:57 pm-12:19 pm

1 stop10h 22m

Portland

Mon 3/9

6:00 pm-12:24 am

1 stop9h 24m

$241

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Wed 3/4

7:10 pm-10:49 am

2 stops12h 39m

Portland

Wed 3/11

4:23 pm-10:45 pm

1 stop9h 22m

$246

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 3/2

11:15 pm-11:18 am

2 stops9h 03m

Portland

Mon 3/9

5:23 am-1:55 pm

1 stop11h 32m

$273

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Wed 4/15

10:48 am-9:40 pm

1 stop7h 52m

Portland

Wed 4/22

4:23 pm-10:37 pm

1 stop9h 14m

$284

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 3/2

10:57 pm-12:19 pm

1 stop10h 22m

Portland

Thu 3/5

5:40 pm-12:24 am

1 stop9h 44m

$295

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Wed 4/15

5:00 am-9:40 pm

2 stops13h 40m

Portland

Wed 4/22

6:04 am-11:48 am

1 stop8h 44m

$300

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 5/29

8:20 am-9:44 pm

1 stop10h 24m

Portland

Tue 6/2

5:36 pm-12:57 am

1 stop10h 21m

$301

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Fri 5/29

11:59 pm-11:57 am

2 stops8h 58m

Portland

Tue 6/2

11:02 am-8:39 pm

2 stops12h 37m

$305

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 2/17

7:15 am-10:59 pm

2 stops12h 44m

Portland

Wed 2/18

5:40 pm-12:24 am

1 stop9h 44m

$314

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 5/28

6:00 am-6:51 pm

1 stop9h 51m

Portland

Mon 6/1

5:36 pm-12:57 am

1 stop10h 21m

$317

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 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 $297, 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 October is also cheap. Prices for this month can be found on momondo for an average of $426.

How far in advance should I book a flight 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 $512 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 $403 on momondo.

Can stopping save me money on Seattle to Portland, Maine flights?

You could potentially save up to 36% on your flight if you consider stops on a Seattle to Portland, Maine flight.

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

As of February 2026, prices for Seattle to Portland, Maine flights are approximately 25% 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

Fastest flight time

7h 18m

Direct flights

None
The fastest flight from Seattle to Portland, Maine takes 7h 18m
There are no direct flights from Seattle to Portland, Maine. There are no popular flight routes from Seattle to Portland, Maine.
Search flight deals

  • 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 18m, 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
JetBluePriceFrom $172Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights
DeltaPriceFrom $229Free CancellationRating
7.9
8,139 reviews
Search Delta flights
American AirlinesPriceFrom $274Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
United AirlinesPriceFrom $280Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $320Free CancellationRating
8.0
11,835 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $387Free CancellationRating
8.0
4,273 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
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
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.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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