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Cheap flights from Boise to Boston from $319

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Boston departing on 1/31. 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

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Cheap round-trip flights

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Southwest Logo
7:50 pm - 12:10 pm
BOI
-
PWM
14h 20m2 stops
Southwest Logo
12:40 pm - 1:50 am
PWM
-
BOI
15h 10m2 stops
$488Southwest
Thu, Apr 16 - Sun, Apr 26
United Airlines Logo
10:15 am - 9:01 am
BOI
-
PWM
20h 46m2 stops
United Airlines Logo
9:40 am - 9:23 pm
PWM
-
BOI
13h 43m2 stops
$507United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
2:37 pm - 9:01 am
BOI
-
PWM
16h 24m2 stops
United Airlines Logo
8:40 am - 9:52 pm
PWM
-
BOI
15h 12m2 stops
$525United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
10:42 am - 11:59 pm
BOI
-
PWM
11h 17m2 stops
United Airlines Logo
4:10 pm - 10:59 pm
PWM
-
BOI
8h 49m1 stop
$590United Airlines
Thu, Jan 1 - Mon, Jan 5
United Airlines Logo
10:42 am - 11:59 pm
BOI
-
PWM
11h 17m2 stops
United Airlines Logo
9:30 am - 9:41 pm
PWM
-
BOI
14h 11m2 stops
$595United Airlines
Thu, Jan 1 - Mon, Jan 5
United Airlines Logo
5:12 pm - 9:44 am
BOI
-
PWM
14h 32m2 stops
United Airlines Logo
9:40 am - 7:13 pm
PWM
-
BOI
11h 33m2 stops
$668United Airlines
Sun, Jan 4 - Sat, Jan 17
United Airlines Logo
6:55 pm - 9:44 am
BOI
-
PWM
12h 49m2 stops
United Airlines Logo
7:30 pm - 12:39 pm
PWM
-
BOI
19h 09m2 stops
$716United Airlines
Wed, Dec 31 - Sun, Jan 4
Delta Logo
11:30 pm - 11:55 am
BOI
-
PWM
10h 25m2 stops
Delta Logo
6:00 am - 12:36 pm
PWM
-
BOI
8h 36m1 stop
$724Delta
Thu, Apr 16 - Sun, Apr 26
American Airlines Logo
7:00 am - 11:50 pm
BOI
-
PWM
14h 50m2 stops
American Airlines Logo
5:38 pm - 1:01 pm
PWM
-
BOI
21h 23m1 stop
$725American Airlines
Fri, Mar 13 - Tue, Mar 17
United Airlines Logo
8:20 am - 2:14 pm
BOI
-
PWM
27h 54m1 stop
United Airlines Logo
4:10 pm - 10:59 pm
PWM
-
BOI
8h 49m1 stop
$731United Airlines
Thu, Jan 1 - Mon, Jan 5

Delta flights from Boise to Portland, Maine

Our best Delta deals on Boise to Portland, Maine flight tickets
Delta
Apr 16
BOI11:30 pmBoise Air Term. Gowen Fld
10h 25m
2 stops
PWM11:55 amPortland
Apr 26
PWM6:00 amPortland
8h 36m
1 stop
BOI12:36 pmBoise Air Term. Gowen Fld
$724
Find similar
Delta
Dec 31
BOI5:30 amBoise Air Term. Gowen Fld
9h 02m
2 stops
PWM4:32 pmPortland
Jan 4
PWM5:45 amPortland
9h 00m
1 stop
BOI12:45 pmBoise Air Term. Gowen Fld
$844
Find similar
Delta
Mar 15
BOI11:36 pmBoise Air Term. Gowen Fld
9h 28m
2 stops
PWM11:04 amPortland
Mar 20
PWM5:30 amPortland
9h 34m
1 stop
BOI1:04 pmBoise Air Term. Gowen Fld
$1,394
Find similar

American Airlines flights from Boise to Portland, Maine

Our best American Airlines deals on Boise to Portland, Maine flight tickets
American Airlines
Mar 13
BOI7:00 amBoise Air Term. Gowen Fld
14h 50m
2 stops
PWM11:50 pmPortland
Mar 17
PWM5:38 pmPortland
21h 23m
1 stop
BOI1:01 pmBoise Air Term. Gowen Fld
$725
Find similar
American Airlines
Mar 13
BOI6:38 amBoise Air Term. Gowen Fld
14h 12m
2 stops
PWM10:50 pmPortland
Mar 17
PWM12:49 pmPortland
12h 49m
2 stops
BOI11:38 pmBoise Air Term. Gowen Fld
$739
Find similar
American Airlines
Mar 13
BOI6:33 pmBoise Air Term. Gowen Fld
15h 46m
2 stops
PWM12:19 pmPortland
Mar 17
PWM12:49 pmPortland
12h 49m
2 stops
BOI11:38 pmBoise Air Term. Gowen Fld
$753
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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 December 17, 2025.
Use the filters below to find and compare flights from Boise to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 4/16

7:50 pm-12:10 pm

2 stops14h 20m

Portland

Sun 4/26

12:40 pm-1:50 am

2 stops15h 10m

$488

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 1/14

10:15 am-9:01 am

2 stops20h 46m

Portland

Sat 1/17

9:40 am-9:23 pm

2 stops13h 43m

$507

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 1/14

2:37 pm-9:01 am

2 stops16h 24m

Portland

Sat 1/17

8:40 am-9:52 pm

2 stops15h 12m

$525

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 1/1

10:42 am-11:59 pm

2 stops11h 17m

Portland

Mon 1/5

4:10 pm-10:59 pm

1 stop8h 49m

$590

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 1/1

10:42 am-11:59 pm

2 stops11h 17m

Portland

Mon 1/5

9:30 am-9:41 pm

2 stops14h 11m

$595

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sun 1/4

5:12 pm-9:44 am

2 stops14h 32m

Portland

Sat 1/17

9:40 am-7:13 pm

2 stops11h 33m

$668

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 12/31

6:55 pm-9:44 am

2 stops12h 49m

Portland

Sun 1/4

7:30 pm-12:39 pm

2 stops19h 09m

$716

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 4/16

11:30 pm-11:55 am

2 stops10h 25m

Portland

Sun 4/26

6:00 am-12:36 pm

1 stop8h 36m

$724

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 3/13

7:00 am-11:50 pm

2 stops14h 50m

Portland

Tue 3/17

5:38 pm-1:01 pm

1 stop21h 23m

$725

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 1/1

8:20 am-2:14 pm

1 stop27h 54m

Portland

Mon 1/5

4:10 pm-10:59 pm

1 stop8h 49m

$731

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Boise 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 day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Boise is on a Saturday. momondo users have found tickets for Saturday departures for as low as $503. 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 Boise because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,097.

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

In the evening is the cheapest time of day to fly from Boise to Portland, Maine when you can find flight prices for as low as $501. Flying to Portland, Maine in the evening 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 $830. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 6% on your flight if you consider stops on a Boise to Portland, Maine flight.

When to book flights from Boise to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Portland, Maine (BOI to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to Portland, Maine

Fastest flight time

10h 24m

Direct flights

None
The fastest flight from Boise to Portland, Maine takes 10h 24m
There are no direct flights from Boise to Portland, Maine. There are no popular flight routes from Boise to Portland, Maine.
Search flight deals

  • How far is Boise Air Term. Gowen Fld to Portland by plane?

    Boise Air Term. Gowen Fld and Portland are 2265.8 mi apart from one another. By plane, this route typically takes 10h 24m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Portland Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Portland Airport are updated daily.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Portland Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Boise to Portland, Maine?

Best airlines flying from Boise to Portland, Maine

Compare and see reviews for airlines that fly from Boise to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $364Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $391Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
SouthwestPriceFrom $410Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Bartlett
Brunswick
Auburn
Gorham
Windham
Intervale
Oxford
Bath
Georgetown
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Boise to Portland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boise to Portland. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boise to Portland with flexible booking policies on momondo?

All flight searches from Boise to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boise to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Boise. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boise to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Boise and alert you when they change.

An easier way to manage your Portland, Maine trip

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