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Cheap flights from Portland, Maine to Boise from $182

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 Boise departing on 9/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:05 am - 4:49 pm
PWM
-
BOI
11h 44m
2 stops
American Airlines Logo
8:01 am - 11:41 pm
BOI
-
PWM
13h 40m
2 stops
$401American Airlines
Thu, Aug 13 - Thu, Aug 20
United Airlines Logo
5:15 am - 3:31 pm
PWM
-
BOI
12h 16m
2 stops
United Airlines Logo
12:24 pm - 9:23 pm
BOI
-
PWM
6h 59m
1 stop
$404United Airlines
Wed, Aug 12 - Wed, Aug 19
Delta Logo
6:00 am - 1:01 pm
PWM
-
BOI
9h 01m
1 stop
Delta Logo
11:10 pm - 1:16 pm
BOI
-
PWM
12h 06m
2 stops
$429Delta
Fri, Sep 18 - Mon, Sep 21
United Airlines Logo
6:03 am - 11:28 am
PWM
-
BOI
7h 25m
1 stop
United Airlines Logo
12:24 pm - 9:23 pm
BOI
-
PWM
6h 59m
1 stop
$441United Airlines
Thu, Aug 13 - Thu, Aug 20
American Airlines Logo
6:02 am - 2:31 pm
PWM
-
BOI
10h 29m
1 stop
American Airlines Logo
6:30 am - 10:13 pm
BOI
-
PWM
13h 43m
2 stops
$445American Airlines
Wed, Sep 9 - Wed, Sep 23
United Airlines Logo
5:15 am - 3:31 pm
PWM
-
BOI
12h 16m
2 stops
United Airlines Logo
12:24 pm - 9:23 pm
BOI
-
PWM
6h 59m
1 stop
$446United Airlines
Thu, Aug 13 - Thu, Aug 20
American Airlines Logo
6:02 am - 2:31 pm
PWM
-
BOI
10h 29m
1 stop
American Airlines Logo
6:30 am - 10:13 pm
BOI
-
PWM
13h 43m
2 stops
$449American Airlines
Wed, Sep 9 - Wed, Sep 23
American Airlines Logo
11:03 am - 10:27 pm
PWM
-
BOI
13h 24m
2 stops
American Airlines Logo
6:30 am - 10:13 pm
BOI
-
PWM
13h 43m
2 stops
$451American Airlines
Wed, Sep 9 - Wed, Sep 23
American Airlines Logo
11:03 am - 10:27 pm
PWM
-
BOI
13h 24m
2 stops
American Airlines Logo
6:30 am - 10:13 pm
BOI
-
PWM
13h 43m
2 stops
$454American Airlines
Wed, Sep 9 - Wed, Sep 23
American Airlines Logo
6:02 am - 2:31 pm
PWM
-
BOI
10h 29m
1 stop
American Airlines Logo
7:02 am - 6:46 pm
BOI
-
PWM
9h 44m
1 stop
$458American Airlines
Wed, Sep 9 - Wed, Sep 23

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Delta flights from Portland, Maine to Boise

Our best Delta deals on Portland, Maine to Boise flight tickets
Delta
Sep 18
PWM6:00 amPortland
9h 01m
1 stop
BOI1:01 pmBoise Air Term. Gowen Fld
Sep 21
BOI11:10 pmBoise Air Term. Gowen Fld
12h 06m
2 stops
PWM1:16 pmPortland
$429
Delta
Sep 18
PWM11:35 amPortland
12h 25m
2 stops
BOI10:00 pmBoise Air Term. Gowen Fld
Sep 21
BOI11:10 pmBoise Air Term. Gowen Fld
14h 29m
2 stops
PWM3:39 pmPortland
$494

American Airlines flights from Portland, Maine to Boise

Our best American Airlines deals on Portland, Maine to Boise flight tickets
American Airlines
Aug 13
PWM7:05 amPortland
11h 44m
2 stops
BOI4:49 pmBoise Air Term. Gowen Fld
Aug 20
BOI8:01 amBoise Air Term. Gowen Fld
13h 40m
2 stops
PWM11:41 pmPortland
$401
American Airlines
Sep 9
PWM6:02 amPortland
10h 29m
1 stop
BOI2:31 pmBoise Air Term. Gowen Fld
Sep 23
BOI6:30 amBoise Air Term. Gowen Fld
13h 43m
2 stops
PWM10:13 pmPortland
$445
American Airlines
Sep 9
PWM6:02 amPortland
10h 29m
1 stop
BOI2:31 pmBoise Air Term. Gowen Fld
Sep 23
BOI6:30 amBoise Air Term. Gowen Fld
13h 43m
2 stops
PWM10:13 pmPortland
$449

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Boise 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 July 18, 2026.
Use the filters below to find and compare flights from Portland, Maine to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBoise

PWM - BOI

PWMBOI

Portland

Thu 8/13

7:05 am-4:49 pm

2 stops11h 44m

Boise Air Term. Gowen Fld

Thu 8/20

8:01 am-11:41 pm

2 stops13h 40m

$401

PortlandBoise

PWM - BOI

PWMBOI

Portland

Wed 8/12

5:15 am-3:31 pm

2 stops12h 16m

Boise Air Term. Gowen Fld

Wed 8/19

12:24 pm-9:23 pm

1 stop6h 59m

$404

PortlandBoise

PWM - BOI

PWMBOI

Portland

Fri 9/18

6:00 am-1:01 pm

1 stop9h 01m

Boise Air Term. Gowen Fld

Mon 9/21

11:10 pm-1:16 pm

2 stops12h 06m

$429
Quickest round-trip

PortlandBoise

PWM - BOI

PWMBOI

Portland

Thu 8/13

6:03 am-11:28 am

1 stop7h 25m

Boise Air Term. Gowen Fld

Thu 8/20

12:24 pm-9:23 pm

1 stop6h 59m

$441

PortlandBoise

PWM - BOI

PWMBOI

Portland

Wed 9/9

6:02 am-2:31 pm

1 stop10h 29m

Boise Air Term. Gowen Fld

Wed 9/23

6:30 am-10:13 pm

2 stops13h 43m

$445

PortlandBoise

PWM - BOI

PWMBOI

Portland

Thu 8/13

5:15 am-3:31 pm

2 stops12h 16m

Boise Air Term. Gowen Fld

Thu 8/20

12:24 pm-9:23 pm

1 stop6h 59m

$446

PortlandBoise

PWM - BOI

PWMBOI

Portland

Wed 9/9

6:02 am-2:31 pm

1 stop10h 29m

Boise Air Term. Gowen Fld

Wed 9/23

6:30 am-10:13 pm

2 stops13h 43m

$449

PortlandBoise

PWM - BOI

PWMBOI

Portland

Wed 9/9

11:03 am-10:27 pm

2 stops13h 24m

Boise Air Term. Gowen Fld

Wed 9/23

6:30 am-10:13 pm

2 stops13h 43m

$451

PortlandBoise

PWM - BOI

PWMBOI

Portland

Wed 9/9

11:03 am-10:27 pm

2 stops13h 24m

Boise Air Term. Gowen Fld

Wed 9/23

6:30 am-10:13 pm

2 stops13h 43m

$454

PortlandBoise

PWM - BOI

PWMBOI

Portland

Wed 9/9

6:02 am-2:31 pm

1 stop10h 29m

Boise Air Term. Gowen Fld

Wed 9/23

7:02 am-6:46 pm

1 stop9h 44m

$458

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 Boise from

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 February is, on average, the cheapest month to fly to Boise from Portland, Maine, with most prices found around $0. If you aren’t able to travel during the month of February, then book flights to Boise from Portland, Maine during January instead. Flights to Boise in January, while not as cheap as those in February, still average around $382.

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

You could potentially save up to 29% on your flight if you consider stops on a Portland, Maine to Boise flight.

When to book flights from Portland, Maine to Boise

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

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

Fastest flight time

7h 30m

Direct flights

None
The fastest flight from Portland, Maine to Boise takes 7h 30m
There are no direct flights from Portland, Maine to Boise. There are no popular flight routes from Portland, Maine to Boise.
Search flight deals

Frequently asked questions about flying 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 30m 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?

  • 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?

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
American AirlinesPriceFrom $318Free CancellationRating
7.1
11,828 reviews
Search American Airlines flights
United AirlinesPriceFrom $456Free CancellationRating
7.4
10,006 reviews
Search United Airlines flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
Ontario
McCall
Caldwell
Eagle

Why use momondo?

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.

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