What is the cheapest airline that flies from Portland to Boise Air Term. Gowen Fld?

United Airlines, Southwest, and Delta are the most popular carriers operating from Portland to Boise Air Term. Gowen Fld

What airlines fly to Boise?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Boise from Portland, Maine according to our data. Delta is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Boise. Keep in mind that there are 5 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.

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?

As of October 2026, there are 2 operators available to choose from 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.

$159 Cheap Flights from Portland, Maine to Boise in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Boise

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7:10 am - 7:24 pmPWM Portland-BOI Boise Air Term. Gowen Fld

14h 14m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

6:12 pm - 11:58 amBOI Boise Air Term. Gowen Fld-PWM Portland

15h 46m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$328American Airlines

Tue, Nov 17 - Tue, Dec 1

6:00 am - 1:39 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 39m1 stop Atlanta Hartsfield-Jackson

1:47 pm - 11:52 pmBOI Boise Air Term. Gowen Fld-PWM Portland

8h 05m1 stop Atlanta Hartsfield-Jackson

$384Delta

Tue, Nov 17 - Fri, Dec 4

6:00 am - 1:11 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 11m1 stop Atlanta Hartsfield-Jackson

1:47 pm - 11:52 pmBOI Boise Air Term. Gowen Fld-PWM Portland

8h 05m1 stop Atlanta Hartsfield-Jackson

$384Delta

Sat, Nov 14 - Fri, Dec 4

4:50 pm - 11:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 09m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

1:47 pm - 11:52 pmBOI Boise Air Term. Gowen Fld-PWM Portland

8h 05m1 stop Atlanta Hartsfield-Jackson

$389Delta

Mon, Nov 16 - Fri, Dec 4

4:47 pm - 10:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

8h 12m1 stop Chicago O'Hare Intl

11:49 am - 9:29 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 40m1 stop Chicago O'Hare Intl

$497United Airlines

Sat, Dec 5 - Tue, Dec 15

4:47 pm - 10:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

8h 12m1 stop Chicago O'Hare Intl

8:00 am - 11:24 pmBOI Boise Air Term. Gowen Fld-PWM Portland

13h 24m2 stops Chicago O'Hare Intl Newark

$502United Airlines

Sat, Dec 5 - Tue, Dec 15

10:48 am - 10:38 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 50m2 stops Philadelphia Dallas/Fort Worth

1:29 pm - 11:27 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 58m1 stop Chicago O'Hare Intl

$502American Airlines

Tue, Apr 6 - Thu, Apr 8

9:51 am - 9:30 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 39m2 stops Chicago O'Hare Intl San Francisco

8:00 am - 7:12 pmBOI Boise Air Term. Gowen Fld-PWM Portland

9h 12m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$507United Airlines

Sat, Dec 5 - Tue, Dec 15

12:13 pm - 10:42 pmPWM Portland-BOI Boise Air Term. Gowen Fld

12h 29m2 stops Washington, D.C. Reagan-National Dallas/Fort Worth

6:12 pm - 11:58 amBOI Boise Air Term. Gowen Fld-PWM Portland

15h 46m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$605American Airlines

Wed, Nov 18 - Tue, Dec 1

10:45 am - 10:42 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 57m2 stops Washington, D.C. Reagan-National Dallas/Fort Worth

6:12 pm - 11:58 amBOI Boise Air Term. Gowen Fld-PWM Portland

15h 46m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$777American Airlines

Sat, Nov 14 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

6:01 am - 1:34 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 33m1 stop Atlanta Hartsfield-Jackson

1:41 pm - 11:31 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 50m1 stop Atlanta Hartsfield-Jackson

$717Delta

Wed, Oct 28 - Fri, Nov 13

4:47 pm - 11:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 12m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:41 pm - 11:31 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 50m1 stop Atlanta Hartsfield-Jackson

$722Delta

Wed, Oct 28 - Fri, Nov 13

1:52 pm - 11:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

12h 07m2 stops New York LaGuardia Minneapolis St Paul

11:10 pm - 11:58 amBOI Boise Air Term. Gowen Fld-PWM Portland

10h 48m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$727Delta

Wed, Oct 28 - Fri, Nov 13

5:08 pm - 10:51 pmPWM Portland-BOI Boise Air Term. Gowen Fld

7h 43m1 stop Chicago O'Hare Intl

6:30 am - 4:02 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 32m1 stop Denver Intl

$782United Airlines

Wed, Oct 28 - Fri, Nov 13

10:50 am - 11:33 pmPWM Portland-BOI Boise Air Term. Gowen Fld

14h 43m2 stops Newark San Francisco

12:31 pm - 9:52 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 21m1 stop Chicago O'Hare Intl

$787United Airlines

Wed, Oct 28 - Fri, Nov 13

8:49 am - 9:32 pmPWM Portland-BOI Boise Air Term. Gowen Fld

14h 43m2 stops Newark Denver Intl

7:10 pm - 9:00 amBOI Boise Air Term. Gowen Fld-PWM Portland

11h 50m2 stops San Francisco Newark

$792United Airlines

Wed, Oct 28 - Fri, Nov 13

5:30 am - 1:45 pmPWM Portland-BOI Boise Air Term. Gowen Fld

10h 15m2 stops Washington, D.C. Dulles Intl Denver Intl

7:10 pm - 1:26 pmBOI Boise Air Term. Gowen Fld-PWM Portland

16h 16m3 stops San Francisco Cleveland Hopkins Intl Newark

$798United Airlines

Wed, Oct 28 - Fri, Nov 13

9:46 am - 11:33 pmPWM Portland-BOI Boise Air Term. Gowen Fld

15h 47m2 stops Washington, D.C. Dulles Intl San Francisco

7:10 pm - 1:26 pmBOI Boise Air Term. Gowen Fld-PWM Portland

16h 16m3 stops San Francisco Cleveland Hopkins Intl Newark

$798United Airlines

Wed, Oct 28 - Fri, Nov 13

5:45 pm - 2:33 pmPWM Portland-BOI Boise Air Term. Gowen Fld

22h 48m1 stop Chicago O'Hare Intl

12:15 pm - 11:54 pmBOI Boise Air Term. Gowen Fld-PWM Portland

9h 39m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National

$804American Airlines

Wed, Oct 28 - Fri, Nov 13

5:45 pm - 2:33 pmPWM Portland-BOI Boise Air Term. Gowen Fld

22h 48m1 stop Chicago O'Hare Intl

12:15 pm - 11:54 pmBOI Boise Air Term. Gowen Fld-PWM Portland

9h 39m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National

$836American Airlines

Wed, Oct 28 - Fri, Nov 13

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Southwest flights from Portland, Maine to Boise

Our best Southwest deals on Portland, Maine to Boise flight tickets

Southwest

Dec 5

PWM5:25 amPortland

14h 45m

2 stops

BOI6:10 pmBoise Air Term. Gowen Fld

Dec 15

BOI6:20 amBoise Air Term. Gowen Fld

13h 30m

2 stops

PWM9:50 pmPortland

$418

Southwest

Apr 6

PWM1:10 pmPortland

12h 15m

2 stops

BOI11:25 pmBoise Air Term. Gowen Fld

Apr 8

BOI8:40 pmBoise Air Term. Gowen Fld

13h 50m

2 stops

PWM12:30 pmPortland

$513

Southwest

Nov 4

PWM5:15 amPortland

11h 55m

2 stops

BOI3:10 pmBoise Air Term. Gowen Fld

Nov 8

BOI10:15 amBoise Air Term. Gowen Fld

11h 40m

2 stops

PWM11:55 pmPortland

$647

United Airlines flights from Portland, Maine to Boise

Our best United Airlines deals on Portland, Maine to Boise flight tickets

United Airlines

Dec 5

PWM4:47 pmPortland

8h 12m

1 stop

BOI10:59 pmBoise Air Term. Gowen Fld

Dec 15

BOI11:49 amBoise Air Term. Gowen Fld

7h 40m

1 stop

PWM9:29 pmPortland

$497

United Airlines

Dec 5

PWM4:47 pmPortland

8h 12m

1 stop

BOI10:59 pmBoise Air Term. Gowen Fld

Dec 15

BOI8:00 amBoise Air Term. Gowen Fld

13h 24m

2 stops

PWM11:24 pmPortland

$502

United Airlines

Dec 5

PWM9:51 amPortland

13h 39m

2 stops

BOI9:30 pmBoise Air Term. Gowen Fld

Dec 15

BOI8:00 amBoise Air Term. Gowen Fld

9h 12m

2 stops

PWM7:12 pmPortland

$507

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Tue 11/17

7:10 am-7:24 pm

2 stops14h 14m

Boise Air Term. Gowen Fld

Tue 12/1

6:12 pm-11:58 am

2 stops15h 46m

$328

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Tue 11/17

6:00 am-1:39 pm

1 stop9h 39m

Boise Air Term. Gowen Fld

Fri 12/4

1:47 pm-11:52 pm

1 stop8h 05m

$384

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Sat 11/14

6:00 am-1:11 pm

1 stop9h 11m

Boise Air Term. Gowen Fld

Fri 12/4

1:47 pm-11:52 pm

1 stop8h 05m

$384

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Mon 11/16

4:50 pm-11:59 pm

2 stops9h 09m

Boise Air Term. Gowen Fld

Fri 12/4

1:47 pm-11:52 pm

1 stop8h 05m

$389

Quickest round-trip

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Sat 12/5

4:47 pm-10:59 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Tue 12/15

11:49 am-9:29 pm

1 stop7h 40m

$497

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Sat 12/5

4:47 pm-10:59 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Tue 12/15

8:00 am-11:24 pm

2 stops13h 24m

$502

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Tue 4/6

10:48 am-10:38 pm

2 stops13h 50m

Boise Air Term. Gowen Fld

Thu 4/8

1:29 pm-11:27 pm

1 stop7h 58m

$502

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Sat 12/5

9:51 am-9:30 pm

2 stops13h 39m

Boise Air Term. Gowen Fld

Tue 12/15

8:00 am-7:12 pm

2 stops9h 12m

$507

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Wed 11/18

12:13 pm-10:42 pm

2 stops12h 29m

Boise Air Term. Gowen Fld

Tue 12/1

6:12 pm-11:58 am

2 stops15h 46m

$605

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Sat 11/14

10:45 am-10:42 pm

2 stops13h 57m

Boise Air Term. Gowen Fld

Tue 12/1

6:12 pm-11:58 am

2 stops15h 46m

$777

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

Prices are currently low for flights on this route.

Typical prices usually range from $450 to $632.
The lowest price recently found on this route was $328.

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 15% 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

Best Price Found	$159
Fastest flight time	8h 39m
Direct flights	None

The best one-way flight to Boise from Portland, Maine in the past 72 hours is $159. The best round-trip flight deal from Portland, Maine to Boise found on momondo in the last 72 hours is $328.

The fastest flight from Portland, Maine to Boise takes 8h 39m

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. 8h 39m 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?
As of October 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland, Maine to Boise is United Airlines (67% of total bookings). The next most popular airline is American Airlines (33%).

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
United Airlines	PriceFrom $408	Free Cancellation	Rating 7.3 10,404 reviews		Search United Airlines flights
American Airlines	PriceFrom $424	Free Cancellation	Rating 7.0 12,186 reviews		Search American Airlines flights

Nampa

Meridian

Ontario

Caldwell

McCall

Eagle

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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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Airports servicing Idaho

Idaho Falls Fanning Field Airport

Lewiston Nez Perce Rgnl Airport

Pocatello Airport

Hailey Sun Valley-Friedman Airport

Twin Falls Joslin Airport

Cheap flights from Portland, Maine to Boise from $159

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 12/3. 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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Southwest flights from Portland, Maine to Boise

Our best Southwest deals on Portland, Maine to Boise flight tickets

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Our best United Airlines deals on Portland, Maine to Boise flight tickets

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How to get the cheapest flight ticket from Portland, Maine to Boise

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

What is the cheapest month to fly to Boise?

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

What is the cheapest airline that flies from Portland to Boise Air Term. Gowen Fld?

What airlines fly to Boise?

When to book flights from Portland, Maine to Boise

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

Best Price Found

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Frequently asked questions about flying 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

Traveling to a place near Boise?

Why use momondo?

An easier way to manage your Boise 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Boise

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Boise

List of cabin classes available on flights landing in Boise. Availability may vary depending on flight origin and airline.

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