Cheap flights from Portland, Maine to Seattle from $165
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Seattle departing on 7/9. 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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United Airlines flights from Portland, Maine to Seattle
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Delta flights from Portland, Maine to Seattle
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How to get the cheapest flight ticket from Portland, Maine to Seattle
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 Seattle?
In general, September is the cheapest month to fly from Portland, Maine to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $358. If you don’t want to visit Seattle in September, then you should wait until January to fly from Portland, Maine, when ticket prices are also cheap, with an average price of $403.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Portland, Maine is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $516. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Portland, Maine because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $684.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Portland, Maine in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $506 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $606. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Portland, Maine when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $522 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Portland, Maine for as low as $392 on momondo.
What is the cheapest airline that flies from Portland to Seattle/Tacoma Intl?
JetBlue, American Airlines, and Delta are the most popular carriers operating from Portland to Seattle/Tacoma Intl
What airlines fly to Seattle?
Delta, JetBlue and Alaska Airlines are the top three most popular airlines that fly to Seattle from Portland, Maine 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 Seattle. Keep in mind that there are 10 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Portland, Maine to Seattle
Cheap Portland, Maine to Seattle (PWM to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Seattle
How far is Portland to Seattle/Tacoma Intl by plane?
A flight from Portland to Seattle/Tacoma Intl will travel around 2481.6 mi. Flights usually cover this in 8h 12m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Portland Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Seattle/Tacoma Intl Airport?
There are 7 operators available for flights from Portland Airport to Seattle/Tacoma Intl Airport as of April 2025.
How old do you have to be to fly from Portland Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl 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 Portland, Maine to Seattle?
momondo data reveals that the most frequently booked airline on the route from Portland, Maine to Seattle is American Airlines, representing 31% of all bookings. The subsequent popular airlines are United Airlines at 30%, Delta at 21%, and JetBlue at 8%.
Best airlines flying from Portland, Maine to Seattle
Compare and see reviews for airlines that fly from Portland, Maine to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $240 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $270 | Free Cancellation | Rating 8.0 7,910 reviews | |||
| PriceFrom $278 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $318 | Free Cancellation | Rating 8.0 9,851 reviews | |||
| PriceFrom $336 | Free Cancellation | Rating 7.4 8,636 reviews | |||
| PriceFrom $365 | Free Cancellation | Rating 6.9 349 reviews | |||
| PriceFrom $397 | Free Cancellation | Rating 8.0 4,279 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Portland to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Portland.
I’m not ready to book a flight from Portland to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Portland to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.