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

Delta and United Airlines 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 35% 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 September 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.

$196 Cheap Flights from Portland, Maine to Boise in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Boise

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3:23 pm - 10:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 36m1 stop Denver Intl

12:31 pm - 9:51 pmBOI Boise Air Term. Gowen Fld-PWM Portland

7h 20m1 stop Chicago O'Hare Intl

$380United Airlines

Fri, Nov 13 - Wed, Nov 18

5:50 am - 6:03 pmPWM Portland-BOI Boise Air Term. Gowen Fld

14h 13m2 stops Newark Denver Intl

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

7h 32m1 stop Denver Intl

$385United Airlines

Fri, Nov 13 - Wed, Nov 18

5:10 pm - 1:25 amPWM Portland-BOI Boise Air Term. Gowen Fld

10h 15m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

6:20 am - 9:45 pmBOI Boise Air Term. Gowen Fld-PWM Portland

13h 25m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

$390Southwest

Fri, Nov 13 - Wed, Nov 18

12:35 pm - 11:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 24m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

6:12 pm - 11:53 amBOI Boise Air Term. Gowen Fld-PWM Portland

15h 41m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$451American Airlines

Tue, Nov 24 - Tue, Dec 1

12:35 pm - 11:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 24m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

1:24 pm - 11:53 amBOI Boise Air Term. Gowen Fld-PWM Portland

20h 29m1 stop Chicago O'Hare Intl

$588American Airlines

Tue, Nov 24 - Tue, Dec 1

3:25 pm - 1:05 amPWM Portland-BOI Boise Air Term. Gowen Fld

11h 40m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

11:20 am - 10:40 pmBOI Boise Air Term. Gowen Fld-PWM Portland

9h 20m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

$607Southwest

Mon, Oct 19 - Wed, Oct 21

8:55 am - 9:35 pmPWM Portland-BOI Boise Air Term. Gowen Fld

14h 40m2 stops Newark Denver Intl

11:48 am - 8:19 amBOI Boise Air Term. Gowen Fld-PWM Portland

18h 31m2 stops San Francisco Newark

$614United Airlines

Wed, Jan 6 - Sat, Jan 9

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

22h 48m1 stop Chicago O'Hare Intl

6:17 am - 10:36 pmBOI Boise Air Term. Gowen Fld-PWM Portland

14h 19m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

$620American Airlines

Mon, Oct 19 - Wed, Oct 21

6:00 am - 4:54 pmPWM Portland-BOI Boise Air Term. Gowen Fld

12h 54m2 stops Newark San Francisco

11:48 am - 8:19 amBOI Boise Air Term. Gowen Fld-PWM Portland

18h 31m2 stops San Francisco Newark

$668United Airlines

Wed, Jan 6 - Sat, Jan 9

6:00 am - 1:01 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 01m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 4:02 pmBOI Boise Air Term. Gowen Fld-PWM Portland

14h 52m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$694Delta

Thu, Oct 1 - Fri, Oct 9

Cheap last minute flights

Enter your travel dates to find the best prices.

3:37 pm - 10:40 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 03m1 stop Denver Intl

7:05 pm - 10:40 amBOI Boise Air Term. Gowen Fld-PWM Portland

13h 35m2 stops San Francisco Chicago O'Hare Intl

$484United Airlines

Wed, Sep 9 - Wed, Sep 23

10:50 am - 10:40 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 50m2 stops Newark Denver Intl

7:05 pm - 10:40 amBOI Boise Air Term. Gowen Fld-PWM Portland

13h 35m2 stops San Francisco Chicago O'Hare Intl

$489United Airlines

Wed, Sep 9 - Wed, Sep 23

6:02 am - 2:31 pmPWM Portland-BOI Boise Air Term. Gowen Fld

10h 29m1 stop Chicago O'Hare Intl

6:30 am - 11:45 pmBOI Boise Air Term. Gowen Fld-PWM Portland

15h 15m2 stops Phoenix Sky Harbor Intl Washington, D.C. Reagan-National

$724American Airlines

Wed, Sep 9 - Wed, Sep 23

12:51 pm - 10:27 pmPWM Portland-BOI Boise Air Term. Gowen Fld

11h 36m2 stops Philadelphia Dallas/Fort Worth

6:30 am - 11:45 pmBOI Boise Air Term. Gowen Fld-PWM Portland

15h 15m2 stops Phoenix Sky Harbor Intl Washington, D.C. Reagan-National

$729American Airlines

Wed, Sep 9 - Wed, Sep 23

6:02 am - 2:31 pmPWM Portland-BOI Boise Air Term. Gowen Fld

10h 29m1 stop Chicago O'Hare Intl

6:30 am - 10:13 pmBOI Boise Air Term. Gowen Fld-PWM Portland

13h 43m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

$738American Airlines

Wed, Sep 9 - Wed, Sep 23

6:02 am - 5:03 pmPWM Portland-BOI Boise Air Term. Gowen Fld

13h 01m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

6:30 am - 10:13 pmBOI Boise Air Term. Gowen Fld-PWM Portland

13h 43m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

$743American Airlines

Wed, Sep 9 - Wed, Sep 23

4:45 pm - 11:59 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 14m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

5:30 am - 9:00 pmBOI Boise Air Term. Gowen Fld-PWM Portland

13h 30m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

$809Delta

Tue, Sep 8 - Sat, Sep 12

6:00 am - 10:53 pmPWM Portland-BOI Boise Air Term. Gowen Fld

18h 53m1 stop Chicago O'Hare Intl

7:05 pm - 10:40 amBOI Boise Air Term. Gowen Fld-PWM Portland

13h 35m2 stops San Francisco Chicago O'Hare Intl

$893United Airlines

Wed, Sep 9 - Wed, Sep 23

6:00 am - 9:45 pmPWM Portland-BOI Boise Air Term. Gowen Fld

17h 45m2 stops Chicago O'Hare Intl Denver Intl

7:05 pm - 10:40 amBOI Boise Air Term. Gowen Fld-PWM Portland

13h 35m2 stops San Francisco Chicago O'Hare Intl

$898United Airlines

Wed, Sep 9 - Wed, Sep 23

3:37 pm - 11:03 pmPWM Portland-BOI Boise Air Term. Gowen Fld

9h 26m1 stop Denver Intl

6:15 am - 5:31 pmBOI Boise Air Term. Gowen Fld-PWM Portland

9h 16m1 stop San Francisco

$902United Airlines

Tue, Sep 8 - Sat, Sep 12

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Delta flights from Portland, Maine to Boise

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

Delta

Oct 1

PWM6:00 amPortland

9h 01m

1 stop

BOI1:01 pmBoise Air Term. Gowen Fld

Oct 9

BOI11:10 pmBoise Air Term. Gowen Fld

14h 52m

2 stops

PWM4:02 pmPortland

$694

Delta

Oct 1

PWM6:00 amPortland

9h 01m

1 stop

BOI1:01 pmBoise Air Term. Gowen Fld

Oct 9

BOI11:10 pmBoise Air Term. Gowen Fld

14h 52m

2 stops

PWM4:02 pmPortland

$704

Delta

Oct 1

PWM6:00 amPortland

9h 01m

1 stop

BOI1:01 pmBoise Air Term. Gowen Fld

Oct 9

BOI11:10 pmBoise Air Term. Gowen Fld

14h 52m

2 stops

PWM4:02 pmPortland

$764

American Airlines flights from Portland, Maine to Boise

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

American Airlines

Nov 24

PWM12:35 pmPortland

13h 24m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

Dec 1

BOI6:12 pmBoise Air Term. Gowen Fld

15h 41m

2 stops

PWM11:53 amPortland

$451

American Airlines

Nov 24

PWM12:35 pmPortland

13h 24m

2 stops

BOI11:59 pmBoise Air Term. Gowen Fld

Dec 1

BOI1:24 pmBoise Air Term. Gowen Fld

20h 29m

1 stop

PWM11:53 amPortland

$588

American Airlines

Oct 19

PWM5:45 pmPortland

22h 48m

1 stop

BOI2:33 pmBoise Air Term. Gowen Fld

Oct 21

BOI6:17 amBoise Air Term. Gowen Fld

14h 19m

2 stops

PWM10:36 pmPortland

$620

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Fri 11/13

3:23 pm-10:59 pm

1 stop9h 36m

Boise Air Term. Gowen Fld

Wed 11/18

12:31 pm-9:51 pm

1 stop7h 20m

$380

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Fri 11/13

5:50 am-6:03 pm

2 stops14h 13m

Boise Air Term. Gowen Fld

Wed 11/18

6:30 am-4:02 pm

1 stop7h 32m

$385

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Fri 11/13

5:10 pm-1:25 am

2 stops10h 15m

Boise Air Term. Gowen Fld

Wed 11/18

6:20 am-9:45 pm

2 stops13h 25m

$390

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Tue 11/24

12:35 pm-11:59 pm

2 stops13h 24m

Boise Air Term. Gowen Fld

Tue 12/1

6:12 pm-11:53 am

2 stops15h 41m

$451

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Tue 11/24

12:35 pm-11:59 pm

2 stops13h 24m

Boise Air Term. Gowen Fld

Tue 12/1

1:24 pm-11:53 am

1 stop20h 29m

$588

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Mon 10/19

3:25 pm-1:05 am

2 stops11h 40m

Boise Air Term. Gowen Fld

Wed 10/21

11:20 am-10:40 pm

2 stops9h 20m

$607

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Wed 1/6

8:55 am-9:35 pm

2 stops14h 40m

Boise Air Term. Gowen Fld

Sat 1/9

11:48 am-8:19 am

2 stops18h 31m

$614

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Mon 10/19

5:45 pm-2:33 pm

1 stop22h 48m

Boise Air Term. Gowen Fld

Wed 10/21

6:17 am-10:36 pm

2 stops14h 19m

$620

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Wed 1/6

6:00 am-4:54 pm

2 stops12h 54m

Boise Air Term. Gowen Fld

Sat 1/9

11:48 am-8:19 am

2 stops18h 31m

$668

PortlandBoise

PWM Portland - BOI Boise Air Term. Gowen Fld

PWMBOI

Portland

Thu 10/1

6:00 am-1:01 pm

1 stop9h 01m

Boise Air Term. Gowen Fld

Fri 10/9

11:10 pm-4:02 pm

2 stops14h 52m

$694

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 $489 to $580.
The lowest price recently found on this route was $380.

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

Best Price Found	$196
Fastest flight time	9h 01m
Direct flights	None

The best one-way flight to Boise from Portland, Maine in the past 72 hours is $196. The best round-trip flight deal from Portland, Maine to Boise found on momondo in the last 72 hours is $380.

The fastest flight from Portland, Maine to Boise takes 9h 01m

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. 9h 01m 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 September 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 (62% of total bookings). The next most popular airline is American Airlines (38%).

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 Airlines	PriceFrom $424	Free Cancellation	Rating 7.1 12,044 reviews		Search American Airlines flights
United Airlines	PriceFrom $485	Free Cancellation	Rating 7.4 10,171 reviews		Search United Airlines flights

Nampa

Meridian

Ontario

Caldwell

McCall

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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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 $196

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 10/23. 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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Delta flights from Portland, Maine to Boise

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

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Our best American 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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Direct flights

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

Airports servicing Idaho

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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