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Cheap flights from Boise to Portland from $180

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 8/25. 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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Find the cheapest flights from Boise to Portland

Cheap round-trip flights

American Airlines Logo
1:07 pm - 11:59 pmBOI-PWM
8h 52m1 stop
American Airlines Logo
6:15 am - 12:27 pmPWM-BOI
8h 12m1 stop
$363American Airlines
Find Deal
Fri, Sep 19 - Wed, Sep 24
Delta Logo
3:20 pm - 10:54 amBOI-PWM
17h 34m2 stops
Delta Logo
1:40 pm - 11:59 pmPWM-BOI
12h 19m2 stops
$364Delta
Find Deal
Sat, Sep 13 - Tue, Sep 16
Southwest Logo
6:05 pm - 9:50 amBOI-PWM
13h 45m2 stops
Southwest Logo
10:35 am - 3:50 pmPWM-BOI
7h 15m1 stop
$368Southwest
Find Deal
Tue, Sep 2 - Fri, Sep 5
Southwest Logo
6:05 pm - 9:50 amBOI-PWM
13h 45m2 stops
Southwest Logo
2:00 pm - 12:05 amPWM-BOI
12h 05m2 stops
$373Southwest
Find Deal
Tue, Sep 2 - Fri, Sep 5
Delta Logo
11:35 pm - 12:34 amBOI-PWM
22h 59m2 stops
Delta Logo
1:40 pm - 11:59 pmPWM-BOI
12h 19m2 stops
$379Delta
Find Deal
Fri, Sep 12 - Tue, Sep 16
Southwest Logo
5:00 am - 5:05 pmBOI-PWM
10h 05m2 stops
Southwest Logo
10:35 am - 3:50 pmPWM-BOI
7h 15m1 stop
$381Southwest
Find Deal
Mon, Sep 15 - Fri, Sep 19
United Airlines Logo
9:52 am - 11:03 pmBOI-PWM
11h 11m2 stops
United Airlines Logo
6:14 am - 11:31 amPWM-BOI
7h 17m1 stop
$438United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
12:27 pm - 9:59 pmBOI-PWM
7h 32m1 stop
United Airlines Logo
4:56 pm - 10:41 pmPWM-BOI
7h 45m1 stop
$453United Airlines
Find Deal
Mon, Sep 15 - Fri, Sep 19
Alaska Airlines Logo
8:00 am - 8:36 pmBOI-PWM
10h 36m2 stops
Alaska Airlines Logo
2:02 pm - 11:59 pmPWM-BOI
11h 57m2 stops
$677Alaska Airlines
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Sun, Sep 28 - Fri, Oct 3
Logo
2:16 pm - 5:25 pmBOI-PWM
25h 09m3 stops
Logo
9:46 am - 1:21 pmPWM-BOI
29h 35m3 stops
$720
Find Deal
Sun, Sep 28 - Fri, Oct 3

Southwest flights from Boise to Portland, Maine

Our best Southwest deals on Boise to Portland, Maine flight tickets
Southwest
Sep 2
BOI6:05 pmBoise Air Term. Gowen Fld
13h 45m
2 stops
PWM9:50 amPortland
Sep 5
PWM10:35 amPortland
7h 15m
1 stop
BOI3:50 pmBoise Air Term. Gowen Fld
$368
Find similar
Southwest
Sep 2
BOI6:05 pmBoise Air Term. Gowen Fld
13h 45m
2 stops
PWM9:50 amPortland
Sep 5
PWM2:00 pmPortland
12h 05m
2 stops
BOI12:05 amBoise Air Term. Gowen Fld
$373
Find similar
Southwest
Sep 15
BOI5:00 amBoise Air Term. Gowen Fld
10h 05m
2 stops
PWM5:05 pmPortland
Sep 19
PWM10:35 amPortland
7h 15m
1 stop
BOI3:50 pmBoise Air Term. Gowen Fld
$381
Find similar

United Airlines flights from Boise to Portland, Maine

Our best United Airlines deals on Boise to Portland, Maine flight tickets
United Airlines
Sep 9
BOI9:52 amBoise Air Term. Gowen Fld
11h 11m
2 stops
PWM11:03 pmPortland
Sep 16
PWM6:14 amPortland
7h 17m
1 stop
BOI11:31 amBoise Air Term. Gowen Fld
$438
Find similar
United Airlines
Sep 15
BOI12:27 pmBoise Air Term. Gowen Fld
7h 32m
1 stop
PWM9:59 pmPortland
Sep 19
PWM4:56 pmPortland
7h 45m
1 stop
BOI10:41 pmBoise Air Term. Gowen Fld
$453
Find similar
United Airlines
Oct 22
BOI9:45 amBoise Air Term. Gowen Fld
12h 14m
2 stops
PWM11:59 pmPortland
Nov 20
PWM5:30 amPortland
9h 59m
2 stops
BOI1:29 pmBoise Air Term. Gowen Fld
$490
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 July 31, 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

Fri 9/19

1:07 pm-11:59 pm

1 stop8h 52m

Portland

Wed 9/24

6:15 am-12:27 pm

1 stop8h 12m

$363

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sat 9/13

3:20 pm-10:54 am

2 stops17h 34m

Portland

Tue 9/16

1:40 pm-11:59 pm

2 stops12h 19m

$364

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 9/2

6:05 pm-9:50 am

2 stops13h 45m

Portland

Fri 9/5

10:35 am-3:50 pm

1 stop7h 15m

$368

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 9/2

6:05 pm-9:50 am

2 stops13h 45m

Portland

Fri 9/5

2:00 pm-12:05 am

2 stops12h 05m

$373

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Fri 9/12

11:35 pm-12:34 am

2 stops22h 59m

Portland

Tue 9/16

1:40 pm-11:59 pm

2 stops12h 19m

$379

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 9/15

5:00 am-5:05 pm

2 stops10h 05m

Portland

Fri 9/19

10:35 am-3:50 pm

1 stop7h 15m

$381

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Tue 9/9

9:52 am-11:03 pm

2 stops11h 11m

Portland

Tue 9/16

6:14 am-11:31 am

1 stop7h 17m

$438

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Mon 9/15

12:27 pm-9:59 pm

1 stop7h 32m

Portland

Fri 9/19

4:56 pm-10:41 pm

1 stop7h 45m

$453

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sun 9/28

8:00 am-8:36 pm

2 stops10h 36m

Portland

Fri 10/3

2:02 pm-11:59 pm

2 stops11h 57m

$677

BoisePortland

BOI - PWM

BOIPWM

Boise Air Term. Gowen Fld

Sun 9/28

2:16 pm-5:25 pm

3 stops25h 09m

Portland

Fri 10/3

9:46 am-1:21 pm

3 stops29h 35m

$720

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 16% 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

Best Price Found

$180

Fastest flight time

6h 49m

Direct flights

None

Airports in Portland, Maine

1 airport
The best one-way flight to Portland, Maine from Boise in the past 72 hours is $180. The best round-trip flight deal from Boise to Portland, Maine found on momondo in the last 72 hours is $363.
The fastest flight from Boise to Portland, Maine takes 6h 49m
There are no direct flights from Boise to Portland, Maine. Popular non-direct route for this connection is Boise Air Term. Gowen Fld Airport - Portland Airport.
There is 1 airport near Portland, Maine: Portland (PWM)
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 49m.

  • 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 $365Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $410Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
8,900 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
Freeport
Bartlett
Lewiston
Gorham
Brunswick
Auburn
Intervale
Windham
Falmouth
Bath
Georgetown
Oxford
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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