Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Portland from $111

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 9/30. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Portland

Cheap round-trip flights

Delta Logo
11:15 pm - 12:00 pmSEA-PWM
9h 45m1 stop
Delta Logo
6:00 am - 12:27 pmPWM-SEA
9h 27m1 stop
$221Delta
Find Deal
lun., oct. 27 - vie., oct. 31
American Airlines Logo
12:34 am - 11:26 amSEA-PWM
7h 52m1 stop
American Airlines Logo
5:37 pm - 11:18 pmPWM-SEA
8h 41m1 stop
$222American Airlines
Find Deal
vie., oct. 31 - sáb., nov. 8
Delta Logo
11:15 pm - 12:00 pmSEA-PWM
9h 45m1 stop
Delta Logo
12:45 pm - 11:54 pmPWM-SEA
14h 09m2 stops
$226Delta
Find Deal
lun., oct. 27 - vie., oct. 31
American Airlines Logo
12:34 am - 3:10 pmSEA-PWM
11h 36m2 stops
American Airlines Logo
5:37 pm - 11:18 pmPWM-SEA
8h 41m1 stop
$228American Airlines
Find Deal
vie., oct. 31 - sáb., nov. 8
JetBlue Logo
11:56 pm - 1:22 pmSEA-PWM
10h 26m1 stop
JetBlue Logo
2:17 pm - 10:36 pmPWM-SEA
11h 19m1 stop
$273JetBlue
Find Deal
lun., oct. 6 - jue., oct. 16
JetBlue Logo
11:40 pm - 1:22 pmSEA-PWM
10h 42m1 stop
JetBlue Logo
2:17 pm - 10:36 pmPWM-SEA
11h 19m1 stop
$303JetBlue
Find Deal
mar., oct. 7 - jue., oct. 16
United Airlines Logo
6:00 am - 6:23 pmSEA-PWM
9h 23m1 stop
United Airlines Logo
4:57 pm - 10:30 pmPWM-SEA
8h 33m1 stop
$337United Airlines
Find Deal
mié., oct. 15 - mié., oct. 22
United Airlines Logo
6:00 am - 4:44 pmSEA-PWM
7h 44m1 stop
United Airlines Logo
6:00 am - 2:24 pmPWM-SEA
11h 24m2 stops
$342United Airlines
Find Deal
mié., oct. 15 - mié., oct. 22
Southwest Logo
8:20 am - 12:05 amSEA-PWM
12h 45m2 stops
Southwest Logo
4:00 pm - 11:45 pmPWM-SEA
10h 45m2 stops
$354Southwest
Find Deal
jue., oct. 23 - mar., oct. 28
Southwest Logo
5:30 pm - 9:40 amSEA-PWM
13h 10m2 stops
Southwest Logo
12:45 pm - 10:55 pmPWM-SEA
13h 10m2 stops
$369Southwest
Find Deal
sáb., oct. 25 - mié., dic. 3

American Airlines flights from Seattle to Portland, Maine

Our best American Airlines deals on Seattle to Portland, Maine flight tickets
American Airlines
Oct 31
SEA12:34 amSeattle/Tacoma Intl
7h 52m
1 stop
PWM11:26 amPortland
Nov 8
PWM5:37 pmPortland
8h 41m
1 stop
SEA11:18 pmSeattle/Tacoma Intl
$222
Find similar
American Airlines
Oct 31
SEA12:34 amSeattle/Tacoma Intl
11h 36m
2 stops
PWM3:10 pmPortland
Nov 8
PWM5:37 pmPortland
8h 41m
1 stop
SEA11:18 pmSeattle/Tacoma Intl
$228
Find similar
American Airlines
Oct 31
SEA12:34 amSeattle/Tacoma Intl
11h 36m
2 stops
PWM3:10 pmPortland
Nov 8
PWM12:30 pmPortland
13h 48m
2 stops
SEA11:18 pmSeattle/Tacoma Intl
$233
Find similar

JetBlue flights from Seattle to Portland, Maine

Our best JetBlue deals on Seattle to Portland, Maine flight tickets
JetBlue
Oct 6
SEA11:56 pmSeattle/Tacoma Intl
10h 26m
1 stop
PWM1:22 pmPortland
Oct 16
PWM2:17 pmPortland
11h 19m
1 stop
SEA10:36 pmSeattle/Tacoma Intl
$273
Find similar
JetBlue
Oct 7
SEA11:40 pmSeattle/Tacoma Intl
10h 42m
1 stop
PWM1:22 pmPortland
Oct 16
PWM2:17 pmPortland
11h 19m
1 stop
SEA10:36 pmSeattle/Tacoma Intl
$303
Find similar
JetBlue
Sep 30
SEA11:59 pmSeattle/Tacoma Intl
10h 23m
1 stop
PWM1:22 pmPortland
Oct 4
PWM2:17 pmPortland
11h 07m
1 stop
SEA10:24 pmSeattle/Tacoma Intl
$333
Find similar

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 septiembre 17, 2025.
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

lun. 10/27

11:15 pm-12:00 pm

1 stop9h 45m

Portland

vie. 10/31

6:00 am-12:27 pm

1 stop9h 27m

$221

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

vie. 10/31

12:34 am-11:26 am

1 stop7h 52m

Portland

sáb. 11/8

5:37 pm-11:18 pm

1 stop8h 41m

$222

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

lun. 10/27

11:15 pm-12:00 pm

1 stop9h 45m

Portland

vie. 10/31

12:45 pm-11:54 pm

2 stops14h 09m

$226

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

vie. 10/31

12:34 am-3:10 pm

2 stops11h 36m

Portland

sáb. 11/8

5:37 pm-11:18 pm

1 stop8h 41m

$228

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

lun. 10/6

11:56 pm-1:22 pm

1 stop10h 26m

Portland

jue. 10/16

2:17 pm-10:36 pm

1 stop11h 19m

$273

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

mar. 10/7

11:40 pm-1:22 pm

1 stop10h 42m

Portland

jue. 10/16

2:17 pm-10:36 pm

1 stop11h 19m

$303

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

mié. 10/15

6:00 am-6:23 pm

1 stop9h 23m

Portland

mié. 10/22

4:57 pm-10:30 pm

1 stop8h 33m

$337

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

mié. 10/15

6:00 am-4:44 pm

1 stop7h 44m

Portland

mié. 10/22

6:00 am-2:24 pm

2 stops11h 24m

$342

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

jue. 10/23

8:20 am-12:05 am

2 stops12h 45m

Portland

mar. 10/28

4:00 pm-11:45 pm

2 stops10h 45m

$354

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

sáb. 10/25

5:30 pm-9:40 am

2 stops13h 10m

Portland

mié. 12/3

12:45 pm-10:55 pm

2 stops13h 10m

$369

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $428, 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 September is also cheap. Prices for this month can be found on momondo for an average of $451.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Seattle is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $473. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $686.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the afternoon is the cheapest time of day to fly from Seattle to Portland, Maine when you can find flight prices for as low as $439. Flying to Portland, Maine in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $649. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $547 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 $451 on momondo.

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

You could potentially save up to 12% 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 September 2025, prices for Seattle to Portland, Maine flights are approximately 10% 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

Direct flights

None
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 03m, 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
2,914 reviews
Search JetBlue flights
Sun Country AirPriceFrom $296Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
DeltaPriceFrom $300Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $330Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $387Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $676Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines 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
Bartlett
Gorham
Brunswick
Auburn
Intervale
Windham
Bath
Oxford
Georgetown
Tamworth
Falmouth

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
vie. 10/17
vie. 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States