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Montana

$239+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BZN
abr 2 — abr 91
qua 4/2
qua 4/9
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 março 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$356
(United Airlines)

One-way from

$239
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$835
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. 3% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 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 março 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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.
seg 4/286:00 amPWM - BZN
1 stop7h 37mUnited Airlines
qui 5/17:45 amBZN - PWM
2 stops14h 14mUnited Airlines
Deal found 3/27$356
This American Airlines deal was found by Cheapflights users on 3/28. 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.
ter 7/156:00 amPWM - BIL
1 stop8h 00mAmerican Airlines
ter 7/226:00 amBIL - PWM
2 stops12h 30mAmerican Airlines
Deal found 3/28$394
This Delta deal was found by Cheapflights users on 3/27. 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.
sex 5/25:20 amPWM - BZN
1 stop10h 00mDelta
ter 5/62:30 pmBZN - PWM
1 stop7h 29mDelta
Deal found 3/27$401
This American Airlines deal was found by Cheapflights users on 3/27. 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.
qua 9/245:57 amPWM - BZN
2 stops10h 36mAmerican Airlines
sáb 9/2711:56 amBZN - PWM
2 stops9h 49mAmerican Airlines
Deal found 3/27$417
This American Airlines deal was found by Cheapflights users on 3/27. 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.
qui 6/126:00 amPWM - MSO
1 stop19h 24mAmerican Airlines
qui 6/197:03 amMSO - PWM
1 stop8h 40mAmerican Airlines
Deal found 3/27$468
This United deal was found by Cheapflights users on 3/28. 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.
ter 7/156:10 amPWM - BIL
1 stop7h 26mUnited Airlines
ter 7/2212:50 pmBIL - PWM
1 stop7h 11mUnited Airlines
Deal found 3/28$540
This United deal was found by Cheapflights users on 3/28. 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.
sáb 7/56:10 amPWM - GTF
1 stop7h 19mUnited Airlines
sáb 7/126:25 amGTF - PWM
2 stops25h 45mUnited Airlines
Deal found 3/28$557
This Southwest deal was found by Cheapflights users on 3/27. 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.
ter 7/14:10 pmPWM - BZN
2 stops10h 35mSouthwest
dom 7/65:40 amBZN - PWM
2 stops11h 35mSouthwest
Deal found 3/27$658
This United deal was found by Cheapflights users on 3/27. 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.
sex 7/257:15 pmPWM - MSO
2 stops28h 08mUnited Airlines
sex 8/12:25 pmMSO - PWM
3 stops20h 53mUnited Airlines
Deal found 3/27$798
This United deal was found by Cheapflights users on 3/27. 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.
seg 4/286:45 pmPWM - HLN
2 stops20h 45mUnited Airlines
qui 5/16:25 amHLN - PWM
2 stops15h 34mUnited Airlines
Deal found 3/27$857

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 março 28, 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

seg 4/28

6:00 am-11:37 am

1 stop7h 37m

Bozeman Gallatin Field

qui 5/1

7:45 am-11:59 pm

2 stops14h 14m

$356

PortlandBillings

PWM - BIL

PWMBIL

Portland

ter 7/15

6:00 am-12:00 pm

1 stop8h 00m

Billings Logan Intl

ter 7/22

6:00 am-8:30 pm

2 stops12h 30m

$394

PortlandBozeman

PWM - BZN

PWMBZN

Portland

sex 5/2

5:20 am-1:20 pm

1 stop10h 00m

Bozeman Gallatin Field

ter 5/6

2:30 pm-11:59 pm

1 stop7h 29m

$401

PortlandBozeman

PWM - BZN

PWMBZN

Portland

qua 9/24

5:57 am-2:33 pm

2 stops10h 36m

Bozeman Gallatin Field

sáb 9/27

11:56 am-11:45 pm

2 stops9h 49m

$417

PortlandMissoula

PWM - MSO

PWMMSO

Portland

qui 6/12

6:00 am-11:24 pm

1 stop19h 24m

Missoula Johnson-Bell Field

qui 6/19

7:03 am-5:43 pm

1 stop8h 40m

$468

PortlandBillings

PWM - BIL

PWMBIL

Portland

ter 7/15

6:10 am-11:36 am

1 stop7h 26m

Billings Logan Intl

ter 7/22

12:50 pm-10:01 pm

1 stop7h 11m

$540

PortlandGreat Falls

PWM - GTF

PWMGTF

Portland

sáb 7/5

6:10 am-11:29 am

1 stop7h 19m

Great Falls

sáb 7/12

6:25 am-10:10 am

2 stops25h 45m

$557

PortlandBozeman

PWM - BZN

PWMBZN

Portland

ter 7/1

4:10 pm-12:45 am

2 stops10h 35m

Bozeman Gallatin Field

dom 7/6

5:40 am-7:15 pm

2 stops11h 35m

$658

PortlandMissoula

PWM - MSO

PWMMSO

Portland

sex 7/25

7:15 pm-9:23 pm

2 stops28h 08m

Missoula Johnson-Bell Field

sex 8/1

2:25 pm-1:18 pm

3 stops20h 53m

$798

PortlandHelena

PWM - HLN

PWMHLN

Portland

seg 4/28

6:45 pm-1:30 pm

2 stops20h 45m

Helena

qui 5/1

6:25 am-11:59 pm

2 stops15h 34m

$857

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 13 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.

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, 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 março 28, 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 março 28, 2025.
To help decide which airline to fly from Portland to Montana, see what other customers have to say about Southwest, Delta and United Airlines. 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
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Entertainment

7.6

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 American Airlines. According to our data, you can fly for as low as $239. Users have also found prices from $244 and $400 on Delta and United 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 março 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$314Average$745FlexibilityNo cancel feeOn-time69%
DeltaCheapest$347Average$645FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$416Average$666FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$432Average$693FlexibilityNo cancel feeOn-time71%
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