What airlines fly to Montana?

Delta, JetBlue and United Airlines are the top three most popular airlines that fly to Montana from Portland, Maine according to our data. Delta is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 6 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to Montana?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Portland to Montana

When did momondo last update prices for flights from Portland Airport to Montana?

Prices for flights from Portland Airport to Montana are updated daily.

How many operators does momondo search for flights from Portland Airport to Montana?

There are 3 operators available for flights from Portland Airport to Montana as of November 2026.

How old do you have to be to fly from Portland Airport to Montana?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Montana.

What documentation or ID do you need to fly to Montana?

The required travel and health documents for your Montana 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 Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$198 Cheap Flights from Portland, Maine to Montana in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Montana

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 12:22 pmPWM Portland-BZN Bozeman Gallatin Field

8h 22m1 stop New York John F Kennedy Intl

12:25 pm - 11:26 pmBZN Bozeman Gallatin Field-PWM Portland

9h 01m1 stop Atlanta Hartsfield-Jackson

$407Delta

Sat, Jan 23 - Sat, Jan 30

12:15 pm - 7:35 pmPWM Portland-BZN Bozeman Gallatin Field

9h 20m1 stop Chicago O'Hare Intl

7:09 am - 10:17 pmBZN Bozeman Gallatin Field-PWM Portland

13h 08m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

$412American Airlines

Wed, Feb 24 - Tue, Mar 2

6:00 am - 6:01 pmPWM Portland-BZN Bozeman Gallatin Field

14h 01m2 stops New York John F Kennedy Intl Salt Lake City

12:25 pm - 11:26 pmBZN Bozeman Gallatin Field-PWM Portland

9h 01m1 stop Atlanta Hartsfield-Jackson

$412Delta

Sat, Jan 23 - Sat, Jan 30

10:52 am - 11:06 pmPWM Portland-BZN Bozeman Gallatin Field

14h 14m2 stops Philadelphia Chicago O'Hare Intl

6:46 am - 9:43 pmBZN Bozeman Gallatin Field-PWM Portland

12h 57m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

$417American Airlines

Sat, Jan 23 - Sat, Jan 30

5:30 am - 1:37 pmPWM Portland-BZN Bozeman Gallatin Field

10h 07m1 stop Atlanta Hartsfield-Jackson

1:17 pm - 11:59 pmBZN Bozeman Gallatin Field-PWM Portland

8h 42m1 stop New York John F Kennedy Intl

$432Delta

Fri, Feb 5 - Wed, Feb 10

6:00 am - 12:13 pmPWM Portland-BZN Bozeman Gallatin Field

8h 13m1 stop Newark

1:21 pm - 11:32 pmBZN Bozeman Gallatin Field-PWM Portland

8h 11m1 stop Newark

$437United Airlines

Thu, Jan 7 - Mon, Jan 11

6:00 am - 12:13 pmPWM Portland-BZN Bozeman Gallatin Field

8h 13m1 stop Newark

7:30 am - 11:32 pmBZN Bozeman Gallatin Field-PWM Portland

14h 02m2 stops Chicago O'Hare Intl Newark

$442United Airlines

Thu, Jan 7 - Mon, Jan 11

11:49 am - 9:11 pmPWM Portland-BZN Bozeman Gallatin Field

11h 22m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

6:46 am - 9:43 pmBZN Bozeman Gallatin Field-PWM Portland

12h 57m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

$442American Airlines

Fri, Feb 5 - Wed, Feb 10

1:40 pm - 10:50 pmPWM Portland-BZN Bozeman Gallatin Field

11h 10m2 stops Baltimore/Washington Denver Intl

11:05 am - 11:55 pmBZN Bozeman Gallatin Field-PWM Portland

10h 50m2 stops Denver Intl Baltimore/Washington

$544Southwest

Sun, Dec 6 - Sun, Dec 13

11:10 am - 10:50 pmPWM Portland-BZN Bozeman Gallatin Field

13h 40m2 stops Baltimore/Washington Denver Intl

6:45 am - 9:50 pmBZN Bozeman Gallatin Field-PWM Portland

13h 05m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

$558Southwest

Thu, Dec 17 - Fri, Dec 25

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Delta flights from Portland, Maine to Montana

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

Delta

Jan 23

PWM6:00 amPortland

8h 22m

1 stop

BZN12:22 pmBozeman Gallatin Field

Jan 30

BZN12:25 pmBozeman Gallatin Field

9h 01m

1 stop

PWM11:26 pmPortland

$407

Delta

Jan 23

PWM6:00 amPortland

14h 01m

2 stops

BZN6:01 pmBozeman Gallatin Field

Jan 30

BZN12:25 pmBozeman Gallatin Field

9h 01m

1 stop

PWM11:26 pmPortland

$412

Delta

Jan 6

PWM6:17 amPortland

15h 38m

2 stops

MSO7:55 pmMissoula Johnson-Bell Field

Jan 16

MSO8:25 amMissoula Johnson-Bell Field

10h 45m

2 stops

PWM9:10 pmPortland

$419

American Airlines flights from Portland, Maine to Montana

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

American Airlines

Jan 23

PWM10:52 amPortland

14h 14m

2 stops

BZN11:06 pmBozeman Gallatin Field

Jan 30

BZN6:46 amBozeman Gallatin Field

12h 57m

2 stops

PWM9:43 pmPortland

$417

American Airlines

Jan 7

PWM5:00 amPortland

11h 53m

2 stops

BZN2:53 pmBozeman Gallatin Field

Jan 11

BZN6:46 amBozeman Gallatin Field

12h 57m

2 stops

PWM9:43 pmPortland

$447

American Airlines

Jan 23

PWM10:52 amPortland

14h 14m

2 stops

BZN11:06 pmBozeman Gallatin Field

Jan 31

BZN6:46 amBozeman Gallatin Field

12h 58m

2 stops

PWM9:44 pmPortland

$459

momondo Fare Finder

Use the filters below to find and compare flights from Portland, Maine to Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Sat 1/23

6:00 am-12:22 pm

1 stop8h 22m

Bozeman Gallatin Field

Sat 1/30

12:25 pm-11:26 pm

1 stop9h 01m

$407

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Wed 2/24

12:15 pm-7:35 pm

1 stop9h 20m

Bozeman Gallatin Field

Tue 3/2

7:09 am-10:17 pm

2 stops13h 08m

$412

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Sat 1/23

6:00 am-6:01 pm

2 stops14h 01m

Bozeman Gallatin Field

Sat 1/30

12:25 pm-11:26 pm

1 stop9h 01m

$412

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Sat 1/23

10:52 am-11:06 pm

2 stops14h 14m

Bozeman Gallatin Field

Sat 1/30

6:46 am-9:43 pm

2 stops12h 57m

$417

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Fri 2/5

5:30 am-1:37 pm

1 stop10h 07m

Bozeman Gallatin Field

Wed 2/10

1:17 pm-11:59 pm

1 stop8h 42m

$432

Quickest round-trip

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Thu 1/7

6:00 am-12:13 pm

1 stop8h 13m

Bozeman Gallatin Field

Mon 1/11

1:21 pm-11:32 pm

1 stop8h 11m

$437

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Thu 1/7

6:00 am-12:13 pm

1 stop8h 13m

Bozeman Gallatin Field

Mon 1/11

7:30 am-11:32 pm

2 stops14h 02m

$442

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Fri 2/5

11:49 am-9:11 pm

2 stops11h 22m

Bozeman Gallatin Field

Wed 2/10

6:46 am-9:43 pm

2 stops12h 57m

$442

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Sun 12/6

1:40 pm-10:50 pm

2 stops11h 10m

Bozeman Gallatin Field

Sun 12/13

11:05 am-11:55 pm

2 stops10h 50m

$544

PortlandBozeman

PWM Portland - BZN Bozeman Gallatin Field

PWMBZN

Portland

Thu 12/17

11:10 am-10:50 pm

2 stops13h 40m

Bozeman Gallatin Field

Fri 12/25

6:45 am-9:50 pm

2 stops13h 05m

$558

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 Montana

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 cheapest month to fly to Montana?

The cheapest month to fly to Montana from Portland, Maine is in November. Flight prices, which tend to average around $398, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Montana, with average flight prices from Portland, Maine averaging around $480.

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

You could potentially save up to 3% on your flight if you consider stops on a Portland, Maine to Montana flight.

Cheap Portland, Maine to Montana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Montana

Best Price Found	$198
Fastest flight time	8h 15m
Direct flights	None

The best one-way flight to Montana from Portland, Maine in the past 72 hours is $198. The best round-trip flight deal from Portland, Maine to Montana found on momondo in the last 72 hours is $407.

The fastest flight from Portland, Maine to Montana takes 8h 15m

There are no direct flights from Portland, Maine to Montana. There are no popular flight routes from Portland, Maine to Montana.

Search flight deals

Frequently asked questions about flying from Portland, Maine to Montana

When did momondo last update prices for flights from Portland Airport to Montana?
Prices for flights from Portland Airport to Montana are updated daily.
How many operators does momondo search for flights from Portland Airport to Montana?
There are 3 operators available for flights from Portland Airport to Montana as of November 2026.
How old do you have to be to fly from Portland Airport to Montana?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Montana.
What documentation or ID do you need to fly to Montana?
The required travel and health documents for your Montana 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 Montana. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland, Maine to Montana

Compare and see reviews for airlines that fly from Portland, Maine to Montana with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $199	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.3 10,471 reviews	Search United Airlines flights
American Airlines	PriceFrom $358	Free Cancellation	Rating 7.0 12,224 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Montana?

It is quick and easy to find Portland to Montana flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Montana that suits you.

Can I find flights from Portland to Montana with flexible booking policies on momondo?

All flight searches from Portland to Montana on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Montana?

Once all potential Portland to Montana flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Montana right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Montana, momondo offers a useful price alert feature which will track prices for flights to Montana from Portland and alert you when they change.