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$221+ Cheap flights from Portland, ME (PWM) to Montana

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BZN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Portland to Montana

Keep the following information in mind while searching for Portland to Montana flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$422
(American Airlines)

One-way from

$221
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$558
Provider with most accurate pricing for Portland-Bozeman Gallatin Field flight deals.
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Provider most trusted by Cheapflights users for Portland-Bozeman Gallatin Field flights.
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From Portland to Montana
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One-way flight from Portland to Montana
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Highest demand for flights based on searches. 12% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 8/126:07 amPWM - BZN
2 stops10h 17mAmerican Airlines
Fri 8/227:42 amBZN - PWM
1 stop7h 58mAmerican Airlines
Deal found 2/19$422
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1510:35 amPWM - BZN
2 stops14h 00mSouthwest
Wed 8/205:45 pmBZN - PWM
2 stops14h 05mSouthwest
Deal found 2/19$473
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/152:52 pmPWM - BZN
2 stops21h 15mMultiple Airlines
Wed 8/2011:10 amBZN - PWM
1 stop22h 30mMultiple Airlines
Deal found 2/19$486
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:32 pmPWM - BZN
1 stop23h 35mSun Country Air
Wed 8/2011:10 amBZN - PWM
1 stop22h 30mSun Country Air
Deal found 2/19$488
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1011:50 amPWM - BZN
2 stops11h 41mUnited Airlines
Sat 5/177:45 amBZN - PWM
2 stops13h 38mUnited Airlines
Deal found 2/20$515
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2611:20 amPWM - GTF
2 stops12h 14mUnited Airlines
Thu 4/32:20 pmGTF - PWM
2 stops29h 15mUnited Airlines
Deal found 2/20$634
This American Airlines deal was found by Cheapflights users on 2/20. 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 7/177:19 amPWM - MSO
1 stop17h 42mAmerican Airlines
Mon 7/217:23 amMSO - PWM
1 stop8h 17mAmerican Airlines
Deal found 2/20$677
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:40 amPWM - MSO
2 stops12h 02mUnited Airlines
Mon 7/216:15 amMSO - PWM
2 stops24h 01mUnited Airlines
Deal found 2/20$690
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:34 amPWM - BZN
1 stop10h 37mDelta
Sun 3/91:28 pmBZN - PWM
1 stop8h 47mDelta
Deal found 2/19$719
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/77:20 pmPWM - HLN
2 stops28h 06mUnited Airlines
Sun 3/92:25 pmHLN - PWM
2 stops22h 27mUnited Airlines
Deal found 2/19$734
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:09 pmPWM - BZN
3 stops22h 54mAlaska Airlines
Tue 10/148:00 amBZN - PWM
2 stops23h 47mAlaska Airlines
Deal found 2/19$753
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/174:15 pmPWM - MSO
2 stops20h 01mAlaska Airlines
Mon 7/215:45 amMSO - PWM
3 stops26h 02mAlaska Airlines
Deal found 2/20$984

Find flights from Portland to Montana within your budget

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 February 20, 2025.

Fly from

Portland

Fly to

Montana

Route

Depart

Return

Price

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 5/10

11:50 am-9:31 pm

2 stops11h 41m

Bozeman Gallatin Field

Sat 5/17

7:45 am-11:23 pm

2 stops13h 38m

$515

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sun 4/6

12:15 pm-1:07 pm

2 stops26h 52m

Bozeman Gallatin Field

Sun 4/13

1:51 pm-11:38 am

2 stops19h 47m

$626

PortlandGreat Falls

PWM - GTF

PWMGTF

Portland

Wed 3/26

11:20 am-9:34 pm

2 stops12h 14m

Great Falls

Thu 4/3

2:20 pm-9:35 pm

2 stops29h 15m

$634

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Fri 3/7

5:50 am-11:15 pm

2 stops19h 25m

Bozeman Gallatin Field

Sun 3/9

5:00 am-4:55 pm

2 stops9h 55m

$656

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Thu 7/17

7:19 am-11:01 pm

1 stop17h 42m

Missoula Johnson-Bell Field

Mon 7/21

7:23 am-5:40 pm

1 stop8h 17m

$677

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Thu 7/17

5:40 am-3:42 pm

2 stops12h 02m

Missoula Johnson-Bell Field

Mon 7/21

6:15 am-8:16 am

2 stops24h 01m

$690

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Fri 3/7

5:34 am-2:11 pm

1 stop10h 37m

Bozeman Gallatin Field

Sun 3/9

1:28 pm-12:15 am

1 stop8h 47m

$719

PortlandHelena

PWM - HLN

PWMHLN

Portland

Fri 3/7

7:20 pm-9:26 pm

2 stops28h 06m

Helena

Sun 3/9

2:25 pm-2:52 pm

2 stops22h 27m

$734

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sun 4/6

5:23 pm-1:59 pm

3 stops46h 36m

Bozeman Gallatin Field

Sun 4/13

2:31 pm-11:41 am

2 stops19h 10m

$756

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Thu 7/17

4:15 pm-10:16 am

2 stops20h 01m

Missoula Johnson-Bell Field

Mon 7/21

5:45 am-9:47 am

3 stops26h 02m

$984

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 20 results
1
2

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.

Travel insights for flights from Portland to Montana

Get recent, data-driven insights about flights from Portland to Montana including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Portland, Maine to Montana (average of $371). Flying from Portland, Maine to Montana in June is currently the most expensive (average of $520). 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.

What is the cheapest time of day to fly from PWM to MT?

Find hourly flight availability from Portland to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Portland, Maine to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Montana by month

Plan your trip to Montana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montana ranges from 0.4 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Montana when rainfall is around 0.4 in.

Temperature in Montana by month

Plan your trip to Montana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 February 20, 2025.
To help decide which airline to fly from Portland to Montana, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $221. Users have also found prices from $240 and $280 on Delta and American Airlines, respectively.

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

    Most travelers choose Portland - Bozeman Gallatin Field, Portland - Missoula Johnson-Bell Field or Portland - Billings Logan Intl when deciding on the best route 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, October is the cheapest month in which you can book a flight from Portland, Maine to Montana (average of $371). Flying from Portland, Maine to Montana in June is currently the most expensive (average of $520). 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

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Top 4 airlines flying from Portland to Montana

Discover the top 4 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$314Average$788FlexibilityNo cancel feeOn-time69%
DeltaCheapest$347Average$637FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$390Average$666FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$432Average$698FlexibilityNo cancel feeOn-time71%
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