Cheap flights from Seattle to Portland from $123
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 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Wed 11/11
5:05 am-4:02 pm
1 stop7h 57m
Portland
Tue 11/17
3:23 pm-9:19 pm
1 stop8h 56m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Wed 11/11
5:05 am-4:02 pm
1 stop7h 57m
Portland
Tue 11/17
5:30 am-3:32 pm
2 stops13h 02m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Thu 1/28
6:05 am-10:23 pm
2 stops13h 18m
Portland
Wed 2/3
6:00 am-2:38 pm
1 stop11h 38m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Thu 1/28
6:00 am-10:23 pm
2 stops13h 23m
Portland
Wed 2/3
12:50 pm-8:27 pm
2 stops10h 37m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Tue 11/3
6:30 pm-9:50 am
2 stops12h 20m
Portland
Tue 11/10
12:45 pm-10:50 pm
2 stops13h 05m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Mon 11/9
8:30 am-11:55 pm
2 stops12h 25m
Portland
Sat 11/14
1:00 pm-9:55 pm
2 stops11h 55m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Wed 11/18
11:29 pm-11:56 am
1 stop9h 27m
Portland
Sat 11/21
4:32 pm-10:31 pm
1 stop8h 59m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Tue 10/27
5:05 am-4:02 pm
1 stop7h 57m
Portland
Sat 10/31
3:41 pm-10:11 pm
1 stop9h 30m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Sat 10/24
11:59 pm-12:31 pm
1 stop9h 32m
Portland
Wed 10/28
12:09 pm-6:06 pm
1 stop8h 57m
SeattlePortland
SEA Seattle/Tacoma Intl - PWM Portland
SEAPWM
Seattle/Tacoma Intl
Sun 10/18
4:05 pm-12:06 pm
1 stop17h 01m
Portland
Fri 10/30
9:48 am-3:12 pm
2 stops32h 24m
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 $394 to $636.The lowest price recently found on this route was $321.
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 $519 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.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Portland?
Delta and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Portland
What airlines fly to Portland, Maine?
Delta, Alaska Airlines and JetBlue are the top three most popular airlines that fly to Portland, Maine from Seattle according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 7 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Seattle and Portland, Maine?
Minneapolis (MSP) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Seattle to Portland, Maine?
Flights via Minneapolis (MSP) offer the lowest average round-trip price of $413.
Which layover airport has the shortest travel time from Seattle to Portland, Maine?
Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 6h 57m.
Which layover airport has the shortest connection time from Seattle to Portland, Maine?
Detroit (DTW) has the shortest average layover time for this route: 0h 54m.
When to book flights from Seattle to Portland, Maine
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
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 57m, 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?
There are 4 operators available for flights from Seattle/Tacoma Intl Airport to Portland Airport as of October 2026.
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?
Based on momondo bookings for flights between Seattle and Portland, Maine, the leading airline is American Airlines, making up 42% of the total bookings. Other popular airlines include United Airlines with 30%, Delta with 22%, and Southwest with 7%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $221 | Free Cancellation | Rating 7.8 8,634 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 7.4 10,289 reviews | |||
| PriceFrom $280 | Free Cancellation | Rating 7.0 12,129 reviews | |||
| PriceFrom $390 | Free Cancellation | Rating 7.9 4,215 reviews |
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy 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.