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Cheap flights from Boise to Portland from $234

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 5/29. 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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Find the cheapest flights from Boise to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
11:45 am - 12:05 am
BOI
-
PWM
10h 20m
2 stops
Southwest Logo
5:40 am - 4:10 pm
PWM
-
BOI
12h 30m
2 stops
$431Southwest
Mon, Oct 19 - Sat, Oct 31
Delta Logo
11:42 pm - 4:01 pm
BOI
-
PWM
14h 19m
2 stops
Delta Logo
6:00 am - 12:53 pm
PWM
-
BOI
8h 53m
1 stop
$436Delta
Fri, Jul 10 - Wed, Jul 15
Delta Logo
11:12 am - 12:59 am
BOI
-
PWM
11h 47m
2 stops
Delta Logo
4:47 pm - 11:59 pm
PWM
-
BOI
9h 12m
2 stops
$441Delta
Wed, Aug 5 - Thu, Aug 20
Delta Logo
11:30 pm - 11:53 am
BOI
-
PWM
10h 23m
2 stops
Delta Logo
6:00 am - 12:39 pm
PWM
-
BOI
8h 39m
1 stop
$449Delta
Mon, Oct 19 - Sat, Oct 31
American Airlines Logo
3:10 pm - 12:43 am
BOI
-
PWM
7h 33m
1 stop
American Airlines Logo
6:10 am - 2:20 pm
PWM
-
BOI
10h 10m
1 stop
$453American Airlines
Fri, Jul 10 - Wed, Jul 15
Delta Logo
11:35 pm - 2:13 pm
BOI
-
PWM
12h 38m
2 stops
Delta Logo
4:47 pm - 11:59 pm
PWM
-
BOI
9h 12m
2 stops
$454Delta
Thu, Aug 6 - Thu, Aug 20
Delta Logo
11:35 pm - 12:59 am
BOI
-
PWM
23h 24m
2 stops
Delta Logo
4:47 pm - 11:59 pm
PWM
-
BOI
9h 12m
2 stops
$456Delta
Fri, Aug 7 - Thu, Aug 20
American Airlines Logo
3:10 pm - 12:37 am
BOI
-
PWM
7h 27m
1 stop
American Airlines Logo
6:10 am - 2:20 pm
PWM
-
BOI
10h 10m
1 stop
$458American Airlines
Fri, Jul 3 - Wed, Jul 8
Delta Logo
11:12 am - 12:59 am
BOI
-
PWM
11h 47m
2 stops
Delta Logo
2:14 pm - 10:19 pm
PWM
-
BOI
10h 05m
1 stop
$462Delta
Wed, Aug 5 - Thu, Aug 20
American Airlines Logo
5:40 pm - 9:46 am
BOI
-
PWM
14h 06m
2 stops
American Airlines Logo
6:10 am - 2:20 pm
PWM
-
BOI
10h 10m
1 stop
$463American Airlines
Fri, Jul 3 - Wed, Jul 8

American Airlines flights from Boise to Portland, Maine

Our best American Airlines deals on Boise to Portland, Maine flight tickets
American Airlines
Jul 10
BOI3:10 pmBoise Air Term. Gowen Fld
7h 33m
1 stop
PWM12:43 amPortland
Jul 15
PWM6:10 amPortland
10h 10m
1 stop
BOI2:20 pmBoise Air Term. Gowen Fld
$453
American Airlines
Jul 3
BOI3:10 pmBoise Air Term. Gowen Fld
7h 27m
1 stop
PWM12:37 amPortland
Jul 8
PWM6:10 amPortland
10h 10m
1 stop
BOI2:20 pmBoise Air Term. Gowen Fld
$458
American Airlines
Jul 3
BOI5:40 pmBoise Air Term. Gowen Fld
14h 06m
2 stops
PWM9:46 amPortland
Jul 8
PWM6:10 amPortland
10h 10m
1 stop
BOI2:20 pmBoise Air Term. Gowen Fld
$463

Southwest flights from Boise to Portland, Maine

Our best Southwest deals on Boise to Portland, Maine flight tickets
Southwest
Oct 19
BOI11:45 amBoise Air Term. Gowen Fld
10h 20m
2 stops
PWM12:05 amPortland
Oct 31
PWM5:40 amPortland
12h 30m
2 stops
BOI4:10 pmBoise Air Term. Gowen Fld
$431
Southwest
Jul 3
BOI7:20 pmBoise Air Term. Gowen Fld
12h 40m
2 stops
PWM10:00 amPortland
Jul 8
PWM3:45 pmPortland
10h 40m
2 stops
BOI12:25 amBoise Air Term. Gowen Fld
$483
Southwest
Jul 23
BOI7:40 pmBoise Air Term. Gowen Fld
12h 05m
2 stops
PWM9:45 amPortland
Jul 28
PWM5:30 amPortland
11h 55m
2 stops
BOI3:25 pmBoise Air Term. Gowen Fld
$564

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 May 23, 2026.
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

Cheapest round-trip

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 10/19

11:45 am-12:05 am

2 stops10h 20m

Portland

Sat 10/31

5:40 am-4:10 pm

2 stops12h 30m

$431

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 7/10

11:42 pm-4:01 pm

2 stops14h 19m

Portland

Wed 7/15

6:00 am-12:53 pm

1 stop8h 53m

$436

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 8/5

11:12 am-12:59 am

2 stops11h 47m

Portland

Thu 8/20

4:47 pm-11:59 pm

2 stops9h 12m

$441

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 10/19

11:30 pm-11:53 am

2 stops10h 23m

Portland

Sat 10/31

6:00 am-12:39 pm

1 stop8h 39m

$449

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 7/10

3:10 pm-12:43 am

1 stop7h 33m

Portland

Wed 7/15

6:10 am-2:20 pm

1 stop10h 10m

$453

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Thu 8/6

11:35 pm-2:13 pm

2 stops12h 38m

Portland

Thu 8/20

4:47 pm-11:59 pm

2 stops9h 12m

$454

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 8/7

11:35 pm-12:59 am

2 stops23h 24m

Portland

Thu 8/20

4:47 pm-11:59 pm

2 stops9h 12m

$456
Quickest round-trip

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 7/3

3:10 pm-12:37 am

1 stop7h 27m

Portland

Wed 7/8

6:10 am-2:20 pm

1 stop10h 10m

$458

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Wed 8/5

11:12 am-12:59 am

2 stops11h 47m

Portland

Thu 8/20

2:14 pm-10:19 pm

1 stop10h 05m

$462

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 7/3

5:40 pm-9:46 am

2 stops14h 06m

Portland

Wed 7/8

6:10 am-2:20 pm

1 stop10h 10m

$463

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 typical price of a round-trip flight between Boise and Portland, Maine?

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Boise is in December. Flight prices, which tend to average around $0, 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 December, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $448.

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

You could potentially save up to 24% 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

6h 59m

Direct flights

None
The fastest flight from Boise to Portland, Maine takes 6h 59m
There are no direct flights from Boise to Portland, Maine. There are no popular flight routes from Boise to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Boise to Portland, Maine

  • 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 59m.

  • 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 $350Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
SouthwestPriceFrom $410Free CancellationRating
7.9
4,276 reviews
Search Southwest flights
United AirlinesPriceFrom $483Free CancellationRating
7.4
9,751 reviews
Search United Airlines 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
Lewiston
Freeport
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
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.

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