Montana

$254+ Cheap flights from Portland, ME (PWM) to Montana

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BZN
Jan 20 — Jan 271
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Cheap flight deals from Portland to Montana

Cheapest flights from Portland to Montana
Explore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This Delta deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:57 pmPWM - MSO
2 stops9h 43mDelta
Thu 1/18:10 amMSO - PWM
2 stops12h 33mDelta
Deal found 12/20$865
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:30 pmPWM - MSO
2 stops20h 06mUnited Airlines
Sun 1/45:15 pmMSO - PWM
2 stops19h 25mUnited Airlines
Deal found 12/21$1,104
This American Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:30 amPWM - MSO
3 stops13h 54mAmerican Airlines
Thu 1/17:00 amMSO - PWM
2 stops14h 45mAmerican Airlines
Deal found 12/20$1,380
This American Airlines deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:45 amPWM - MSO
2 stops17h 39mAmerican Airlines
Sun 1/41:18 pmMSO - PWM
2 stops20h 53mAmerican Airlines
Deal found 12/19$1,854

Find flight deals from Portland to Montana

Keep the following information in mind while searching for Portland to Montana flight deals. Data was last updated December 21, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$254
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$507
Provider with most accurate pricing for Boston Logan Intl-Bozeman Gallatin Field flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Bozeman Gallatin Field flights.
From Portland to Montana
High demand for flights, 6% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Montana 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, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Portland to Montana that are best for you.

Fly from

Portland

Fly to

Montana

Route

Depart

Return

Price

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 1/24

6:00 am-12:53 pm

1 stop8h 53m

Bozeman Gallatin Field

Tue 1/27

3:40 pm-9:01 am

2 stops15h 21m

$254

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 1/24

12:46 pm-10:02 pm

2 stops11h 16m

Bozeman Gallatin Field

Tue 1/27

7:00 am-10:54 pm

2 stops13h 54m

$259

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sun 1/11

5:30 am-1:29 pm

1 stop9h 59m

Bozeman Gallatin Field

Sat 1/17

12:30 pm-10:27 pm

1 stop7h 57m

$297

PortlandBillings

PWM - BIL

PWMBIL

Portland

Sat 1/17

7:00 am-10:33 pm

2 stops17h 33m

Billings Logan Intl

Sat 1/24

6:54 am-10:54 pm

2 stops14h 00m

$319

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 1/31

12:46 pm-10:02 pm

2 stops11h 16m

Bozeman Gallatin Field

Sat 2/7

7:00 am-9:37 pm

2 stops12h 37m

$359

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 1/17

5:30 am-1:39 pm

1 stop10h 09m

Bozeman Gallatin Field

Sat 1/24

12:30 pm-10:27 pm

1 stop7h 57m

$376

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Thu 4/23

6:00 am-1:10 pm

1 stop9h 10m

Bozeman Gallatin Field

Tue 4/28

1:45 pm-11:59 pm

2 stops32h 14m

$381

PortlandBillings

PWM - BIL

PWMBIL

Portland

Tue 1/13

11:12 am-9:23 pm

2 stops12h 11m

Billings Logan Intl

Sat 1/17

10:52 am-11:30 pm

2 stops10h 38m

$389

PortlandBillings

PWM - BIL

PWMBIL

Portland

Sat 1/10

6:00 am-3:22 pm

2 stops11h 22m

Billings Logan Intl

Sat 1/17

10:52 am-11:30 pm

2 stops10h 38m

$405

PortlandBillings

PWM - BIL

PWMBIL

Portland

Sat 1/24

6:00 am-3:22 pm

2 stops11h 22m

Billings Logan Intl

Wed 1/28

10:52 am-11:30 pm

2 stops10h 38m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 28 results
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Best time to book a flight from Portland to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Montana

What is the cheapest month to book a flight from Portland, Maine to Montana?

Currently, December is the cheapest month in which you can book a flight from Portland, Maine to Montana (average of $140). Flying from Portland, Maine to Montana in September is currently the most expensive (average of $247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated December 21, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Portland to Montana have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portland to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Portland to Montana?

    Portland (PWM), located 2.9 mi from the city center, is the airport you fly out of when you book flights from Portland to Montana.

  • How long is the flight from Portland, Maine to Montana?

    Airlines like United Airlines, American Airlines, and Delta fly from Portland, Maine to Montana in about 8h 53m. The time it takes to get you to your destination can typically vary by up to 2h 23m. There are 1988 mi between Portland, Maine and Montana. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Portland, Maine to Montana one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $153. Users have also found prices from $197 and $200 on United Airlines and American Airlines, respectively.

  • What are the most popular routes from Portland, Maine to Montana?

  • Can I find deals for flights from Portland to Montana that include hotel bookings?

    Yes. In addition to deals on Portland to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Montana.

  • Can I find deals for business class flights from Portland to Montana?

    Yes. Cheapflights offers flight deals from Portland to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Montana?

    Currently, December is the cheapest month in which you can book a flight from Portland, Maine to Montana (average of $140). Flying from Portland, Maine to Montana in September is currently the most expensive (average of $247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Montana

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Portland to Montana

Discover the top 3 airlines that operate flights from Portland to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$548FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$613FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$311Average$604FlexibilityNo cancel feeOn-time71%

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