Cheap flights from Portland, Maine to Boise from $351
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Boise departing on 8/13. 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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American Airlines flights from Portland, Maine to Boise
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Delta flights from Portland, Maine to Boise
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How to get the cheapest flight ticket from Portland, Maine to Boise
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 Boise?
The month of September is, on average, the cheapest month to fly to Boise from Portland, Maine, with most prices found around $467. If you aren’t able to travel during the month of September, then book flights to Boise from Portland, Maine during February instead. Flights to Boise in February, while not as cheap as those in September, still average around $470.
What is the cheapest day to depart on your flight to Boise?
Our data shows that Friday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $492. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $944. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.
When to book flights from Portland, Maine to Boise
Cheap Portland, Maine to Boise (PWM to BOI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Boise
How far is Portland to Boise Air Term. Gowen Fld by plane?
Boise Air Term. Gowen Fld is 2265.8 mi away from Portland. 7h 33m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Boise Air Term. Gowen Fld Airport?
Prices for flights from Portland Airport to Boise Air Term. Gowen Fld Airport are updated daily.
How many operators does momondo search for flights from Portland Airport to Boise Air Term. Gowen Fld Airport?
As of April 2025, there are 4 operators available to choose from for flights from Portland Airport to Boise Air Term. Gowen Fld Airport.
How old do you have to be to fly from Portland Airport to Boise Air Term. Gowen Fld 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 Portland Airport to Boise Air Term. Gowen Fld Airport.
What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?
The travel and health documents required for your trip to Boise Air Term. Gowen Fld Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boise Air Term. Gowen Fld Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Portland, Maine to Boise?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland, Maine to Boise is Delta (44% of total bookings). The next most popular airlines are United Airlines (30%), Southwest (17%), and American Airlines (9%).
Best airlines flying from Portland, Maine to Boise
Compare and see reviews for airlines that fly from Portland, Maine to Boise with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $345 | Free Cancellation | Rating 8.0 7,897 reviews | |||
| PriceFrom $356 | Free Cancellation | Rating 7.4 8,618 reviews | |||
| PriceFrom $375 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $419 | Free Cancellation | Rating 8.0 4,276 reviews |
Traveling to a place near Boise?
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Why should I use momondo to find a flight deal from Portland to Boise?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boise from Portland.
Can I find flights from Portland to Boise with flexible booking policies on momondo?
All flight searches from Portland to Boise on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Portland to Boise?
momondo provides multiple filters to help you find the best flight to Boise from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Portland to Boise right now. Can momondo alert me if prices change?
Price alerts on flights to Boise from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.