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Cheap flights from Seattle to Portland from $123

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
10:31 am - 11:40 pmSEA  Seattle/Tacoma Intl-PWM Portland
10h 09m1 stop Chicago O'Hare Intl
American Airlines Logo
5:45 pm - 12:36 amPWM  Portland-SEA Seattle/Tacoma Intl
9h 51m1 stop Chicago O'Hare Intl
$245American Airlines
Tue, Oct 20 - Tue, Oct 27
Delta Logo
11:05 pm - 11:53 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 48m1 stop Detroit Metropolitan Wayne County
Delta Logo
2:35 pm - 10:02 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 27m1 stop New York John F Kennedy Intl
$245Delta
Sat, Jan 23 - Tue, Feb 2
United Airlines Logo
10:48 pm - 9:08 amSEA  Seattle/Tacoma Intl-PWM Portland
7h 20m1 stop Newark
United Airlines Logo
11:35 am - 6:52 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 17m1 stop Chicago O'Hare Intl
$245United Airlines
Sat, Oct 17 - Sat, Oct 24
Delta Logo
11:05 pm - 11:53 amSEA  Seattle/Tacoma Intl-PWM Portland
9h 48m1 stop Detroit Metropolitan Wayne County
Delta Logo
2:35 pm - 10:02 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 27m1 stop New York John F Kennedy Intl
$245Delta
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
8:25 am - 7:24 pmSEA  Seattle/Tacoma Intl-PWM Portland
7h 59m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
8:03 am - 3:52 pmPWM  Portland-SEA Seattle/Tacoma Intl
10h 49m2 stops Newark Chicago O'Hare Intl
$250United Airlines
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
12:49 pm - 11:36 pmSEA  Seattle/Tacoma Intl-PWM Portland
7h 47m1 stop Philadelphia
American Airlines Logo
5:45 pm - 12:36 amPWM  Portland-SEA Seattle/Tacoma Intl
9h 51m1 stop Chicago O'Hare Intl
$293American Airlines
Fri, Oct 16 - Thu, Oct 22
Southwest Logo
11:10 am - 11:55 pmSEA  Seattle/Tacoma Intl-PWM Portland
9h 45m2 stops Sacramento Intl Baltimore/Washington
Southwest Logo
12:45 pm - 10:50 pmPWM  Portland-SEA Seattle/Tacoma Intl
13h 05m2 stops Baltimore/Washington Denver Intl
$303Southwest
Thu, Nov 5 - Tue, Nov 10
Southwest Logo
6:10 am - 9:50 pmSEA  Seattle/Tacoma Intl-PWM Portland
12h 40m2 stops Denver Intl Baltimore/Washington
Southwest Logo
1:40 pm - 12:35 amPWM  Portland-SEA Seattle/Tacoma Intl
13h 55m2 stops Baltimore/Washington Chicago Midway
$365Southwest
Tue, Nov 17 - Mon, Nov 23
Alaska Airlines Logo
3:59 pm - 10:37 pmSEA  Seattle/Tacoma Intl-PWM Portland
27h 38m2 stops San Francisco Washington, D.C. Reagan-National
Alaska Airlines Logo
10:59 am - 9:28 pmPWM  Portland-SEA Seattle/Tacoma Intl
13h 29m1 stop Philadelphia
$658Alaska Airlines
Wed, Jan 20 - Sat, Jan 30
Multiple Airlines Logo
4:27 pm - 9:19 pmSEA  Seattle/Tacoma Intl-PWM Portland
25h 52m2 stops Denver Intl Columbus
Multiple Airlines Logo
12:35 pm - 10:37 amPWM  Portland-SEA Seattle/Tacoma Intl
25h 02m1 stop Minneapolis St Paul
$719Multiple Airlines
Tue, Sep 29 - Thu, Oct 8

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Delta flights from Seattle to Portland, Maine

Our best Delta deals on Seattle to Portland, Maine flight tickets
Delta
Jan 20
SEA11:05 pmSeattle/Tacoma Intl
9h 48m
1 stop
PWM11:53 amPortland
Feb 2
PWM12:50 pmPortland
8h 48m
1 stop
SEA6:38 pmSeattle/Tacoma Intl
$245
Delta
Jan 20
SEA11:05 pmSeattle/Tacoma Intl
11h 48m
2 stops
PWM1:53 pmPortland
Jan 30
PWM12:50 pmPortland
8h 48m
1 stop
SEA6:38 pmSeattle/Tacoma Intl
$250
Delta
Jan 20
SEA11:05 pmSeattle/Tacoma Intl
11h 48m
2 stops
PWM1:53 pmPortland
Jan 27
PWM12:50 pmPortland
10h 37m
2 stops
SEA8:27 pmSeattle/Tacoma Intl
$255

United Airlines flights from Seattle to Portland, Maine

Our best United Airlines deals on Seattle to Portland, Maine flight tickets
United Airlines
Oct 14
SEA7:00 amSeattle/Tacoma Intl
10h 22m
1 stop
PWM8:22 pmPortland
Oct 21
PWM6:00 amPortland
8h 27m
1 stop
SEA11:27 amSeattle/Tacoma Intl
$273
United Airlines
Oct 17
SEA10:42 amSeattle/Tacoma Intl
8h 04m
1 stop
PWM9:46 pmPortland
Oct 24
PWM11:35 amPortland
10h 17m
1 stop
SEA6:52 pmSeattle/Tacoma Intl
$291
United Airlines
Oct 17
SEA8:25 amSeattle/Tacoma Intl
7h 59m
1 stop
PWM7:24 pmPortland
Oct 24
PWM8:03 amPortland
10h 49m
2 stops
SEA3:52 pmSeattle/Tacoma Intl
$330

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

Tue 10/20

10:31 am-11:40 pm

1 stop10h 09m

Portland

Tue 10/27

5:45 pm-12:36 am

1 stop9h 51m

$245

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 1/23

11:05 pm-11:53 am

1 stop9h 48m

Portland

Tue 2/2

2:35 pm-10:02 pm

1 stop10h 27m

$245
Quickest round-trip

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 10/17

10:48 pm-9:08 am

1 stop7h 20m

Portland

Sat 10/24

11:35 am-6:52 pm

1 stop10h 17m

$245

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 1/23

11:05 pm-11:53 am

1 stop9h 48m

Portland

Wed 1/27

2:35 pm-10:02 pm

1 stop10h 27m

$245

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Sat 10/17

8:25 am-7:24 pm

1 stop7h 59m

Portland

Sat 10/24

8:03 am-3:52 pm

2 stops10h 49m

$250

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Fri 10/16

12:49 pm-11:36 pm

1 stop7h 47m

Portland

Thu 10/22

5:45 pm-12:36 am

1 stop9h 51m

$293

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Thu 11/5

11:10 am-11:55 pm

2 stops9h 45m

Portland

Tue 11/10

12:45 pm-10:50 pm

2 stops13h 05m

$303

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 11/17

6:10 am-9:50 pm

2 stops12h 40m

Portland

Mon 11/23

1:40 pm-12:35 am

2 stops13h 55m

$365

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Wed 1/20

3:59 pm-10:37 pm

2 stops27h 38m

Portland

Sat 1/30

10:59 am-9:28 pm

1 stop13h 29m

$658

SeattlePortland

SEA Seattle/Tacoma Intl - PWM Portland

SEAPWM

Seattle/Tacoma Intl

Tue 9/29

4:27 pm-9:19 pm

2 stops25h 52m

Portland

Thu 10/8

12:35 pm-10:37 am

1 stop25h 02m

$719

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 $373 to $598.
The lowest price recently found on this route was $245.

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 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 $510 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 September 2026, prices for Seattle to Portland, Maine flights are approximately 2% 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

$123

Fastest flight time

7h 20m

Direct flights

None
The best one-way flight to Portland, Maine from Seattle in the past 72 hours is $123. The best round-trip flight deal from Seattle to Portland, Maine found on momondo in the last 72 hours is $245.
The fastest flight from Seattle to Portland, Maine takes 7h 20m
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 20m, 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
8,589 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
10,232 reviews
Search United Airlines flights
American AirlinesPriceFrom $280Free CancellationRating
7.0
12,087 reviews
Search American Airlines flights
SouthwestPriceFrom $390Free CancellationRating
8.0
4,191 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
Auburn
Conway
Bartlett
Gorham
Bath
Windham
Intervale
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.

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