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Cheap flights from Boise to Portland 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 Portland 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

Enter your travel dates to find the best prices.
Delta Logo
6:00 pm - 11:57 amBOI-PWM
15h 57m2 stops
Delta Logo
2:35 pm - 4:26 pmPWM-BOI
27h 51m2 stops
$422Delta
Find Deal
Tue, Mar 3 - Thu, Mar 5
Delta Logo
6:00 pm - 11:57 amBOI-PWM
15h 57m2 stops
Delta Logo
2:35 pm - 4:26 pmPWM-BOI
27h 51m2 stops
$441Delta
Find Deal
Tue, Mar 3 - Thu, Mar 5
Delta Logo
6:00 pm - 11:57 amBOI-PWM
15h 57m2 stops
Delta Logo
2:35 pm - 4:26 pmPWM-BOI
27h 51m2 stops
$482Delta
Find Deal
Tue, Mar 3 - Thu, Mar 5
Delta Logo
7:45 pm - 12:30 pmBOI-PWM
14h 45m2 stops
Delta Logo
2:30 pm - 12:07 amPWM-BOI
11h 37m2 stops
$515Delta
Find Deal
Mon, Nov 17 - Sun, Nov 23
United Airlines Logo
6:15 am - 3:38 pmBOI-PWM
7h 23m1 stop
United Airlines Logo
5:00 pm - 11:39 amPWM-BOI
20h 39m1 stop
$632United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
6:15 am - 3:38 pmBOI-PWM
7h 23m1 stop
United Airlines Logo
7:22 pm - 11:39 amPWM-BOI
18h 17m2 stops
$637United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
8:17 am - 11:17 pmBOI-PWM
13h 00m2 stops
United Airlines Logo
3:20 pm - 10:45 pmPWM-BOI
9h 25m1 stop
$640United Airlines
Find Deal
Mon, Nov 17 - Sun, Nov 23
American Airlines Logo
1:33 pm - 5:05 pmBOI-PWM
25h 32m1 stop
American Airlines Logo
12:06 pm - 1:03 pmPWM-BOI
26h 57m1 stop
$1,064American Airlines
Find Deal
Thu, Nov 20 - Thu, Nov 27
Southwest Logo
7:20 am - 10:15 pmBOI-PWM
12h 55m2 stops
Southwest Logo
3:00 pm - 12:45 amPWM-BOI
11h 45m2 stops
$1,108Southwest
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Thu, Nov 20 - Fri, Nov 28
American Airlines Logo
11:15 am - 11:41 pmBOI-PWM
10h 26m2 stops
American Airlines Logo
5:37 pm - 1:03 pmPWM-BOI
21h 26m1 stop
$1,594American Airlines
Find Deal
Thu, Nov 20 - Fri, Nov 28

Delta flights from Boise to Portland, Maine

Our best Delta deals on Boise to Portland, Maine flight tickets
Delta
Mar 3
BOI6:00 pmBoise Air Term. Gowen Fld
15h 57m
2 stops
PWM11:57 amPortland
Mar 5
PWM2:35 pmPortland
27h 51m
2 stops
BOI4:26 pmBoise Air Term. Gowen Fld
$422
Find similar
Delta
Mar 3
BOI6:00 pmBoise Air Term. Gowen Fld
15h 57m
2 stops
PWM11:57 amPortland
Mar 5
PWM2:35 pmPortland
27h 51m
2 stops
BOI4:26 pmBoise Air Term. Gowen Fld
$441
Find similar
Delta
Mar 3
BOI6:00 pmBoise Air Term. Gowen Fld
15h 57m
2 stops
PWM11:57 amPortland
Mar 5
PWM2:35 pmPortland
27h 51m
2 stops
BOI4:26 pmBoise Air Term. Gowen Fld
$482
Find similar

United Airlines flights from Boise to Portland, Maine

Our best United Airlines deals on Boise to Portland, Maine flight tickets
United Airlines
Nov 12
BOI6:15 amBoise Air Term. Gowen Fld
7h 23m
1 stop
PWM3:38 pmPortland
Nov 16
PWM5:00 pmPortland
20h 39m
1 stop
BOI11:39 amBoise Air Term. Gowen Fld
$632
Find similar
United Airlines
Nov 12
BOI6:15 amBoise Air Term. Gowen Fld
7h 23m
1 stop
PWM3:38 pmPortland
Nov 16
PWM7:22 pmPortland
18h 17m
2 stops
BOI11:39 amBoise Air Term. Gowen Fld
$637
Find similar
United Airlines
Nov 17
BOI8:17 amBoise Air Term. Gowen Fld
13h 00m
2 stops
PWM11:17 pmPortland
Nov 23
PWM3:20 pmPortland
9h 25m
1 stop
BOI10:45 pmBoise Air Term. Gowen Fld
$640
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 October 30, 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

Tue 3/3

6:00 pm-11:57 am

2 stops15h 57m

Portland

Thu 3/5

2:35 pm-4:26 pm

2 stops27h 51m

$422

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 3/3

6:00 pm-11:57 am

2 stops15h 57m

Portland

Thu 3/5

2:35 pm-4:26 pm

2 stops27h 51m

$441

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 3/3

6:00 pm-11:57 am

2 stops15h 57m

Portland

Thu 3/5

2:35 pm-4:26 pm

2 stops27h 51m

$482

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 11/17

7:45 pm-12:30 pm

2 stops14h 45m

Portland

Sun 11/23

2:30 pm-12:07 am

2 stops11h 37m

$515

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 11/12

6:15 am-3:38 pm

1 stop7h 23m

Portland

Sun 11/16

5:00 pm-11:39 am

1 stop20h 39m

$632

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 11/12

6:15 am-3:38 pm

1 stop7h 23m

Portland

Sun 11/16

7:22 pm-11:39 am

2 stops18h 17m

$637

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 11/17

8:17 am-11:17 pm

2 stops13h 00m

Portland

Sun 11/23

3:20 pm-10:45 pm

1 stop9h 25m

$640

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 11/20

1:33 pm-5:05 pm

1 stop25h 32m

Portland

Thu 11/27

12:06 pm-1:03 pm

1 stop26h 57m

$1,064

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 11/20

7:20 am-10:15 pm

2 stops12h 55m

Portland

Fri 11/28

3:00 pm-12:45 am

2 stops11h 45m

$1,108

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 11/20

11:15 am-11:41 pm

2 stops10h 26m

Portland

Fri 11/28

5:37 pm-1:03 pm

1 stop21h 26m

$1,594

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland 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 5% 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

Direct flights

None
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 6h 58m.

  • 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
11,035 reviews
Search American Airlines flights
United AirlinesPriceFrom $391Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
SouthwestPriceFrom $410Free CancellationRating
8.0
4,243 reviews
Search Southwest 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
Brunswick
Bartlett
Auburn
Gorham
Intervale
Windham
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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