Montana

$125+ 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
Mar 9 — Mar 161
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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 February 7, 2026.

This American Airlines deal was found by Cheapflights users on 2/4. 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 3/246:17 am
PWM
-
BZN
1 stop8h 21m
American Airlines
Tue 3/311:36 pm
BZN
-
PWM
1 stop8h 01m
American Airlines
Deal found 2/4$249
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 4/304:45 pm
PWM
-
BZN
1 stop7h 48m
United Airlines
Mon 5/412:35 pm
BZN
-
PWM
1 stop6h 44m
United Airlines
Deal found 2/3$279
This United Airlines deal was found by Cheapflights users on 2/5. 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 5/13:23 pm
PWM
-
BZN
1 stop8h 14m
United Airlines
Sat 5/912:35 pm
BZN
-
PWM
2 stops9h 24m
United Airlines
Deal found 2/5$281
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Sat 5/29:40 am
PWM
-
BZN
2 stops13h 57m
United Airlines
Sat 5/912:35 pm
BZN
-
PWM
2 stops9h 24m
United Airlines
Deal found 2/5$286
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/293:35 pm
PWM
-
BZN
1 stop7h 38m
United Airlines
Tue 6/24:17 pm
BZN
-
PWM
2 stops14h 54m
United Airlines
Deal found 2/4$299
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Wed 9/164:03 pm
PWM
-
MSO
1 stop9h 00m
American Airlines
Wed 9/231:29 pm
MSO
-
PWM
1 stop8h 44m
American Airlines
Deal found 2/5$329
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 4/26:04 am
PWM
-
BZN
1 stop7h 25m
United Airlines
Mon 4/68:10 am
BZN
-
PWM
1 stop7h 22m
United Airlines
Deal found 2/5$333
This American Airlines deal was found by Cheapflights users on 2/4. 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 8/257:15 am
PWM
-
BZN
2 stops14h 02m
American Airlines
Tue 9/17:25 am
BZN
-
PWM
1 stop8h 24m
American Airlines
Deal found 2/4$336
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 10/275:30 am
PWM
-
BIL
2 stops9h 43m
United Airlines
Sat 10/3112:30 pm
BIL
-
PWM
1 stop6h 57m
United Airlines
Deal found 2/5$404
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 10/276:00 am
PWM
-
MSO
2 stops12h 10m
United Airlines
Sat 10/316:15 am
MSO
-
PWM
1 stop7h 34m
United Airlines
Deal found 2/2$434
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 5/27:07 am
PWM
-
MSO
2 stops16h 38m
American Airlines
Tue 5/51:08 pm
MSO
-
PWM
1 stop9h 05m
American Airlines
Deal found 2/3$454
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 5/23:23 pm
PWM
-
MSO
1 stop8h 07m
United Airlines
Tue 5/56:15 am
MSO
-
PWM
1 stop7h 26m
United Airlines
Deal found 2/3$459

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 February 7, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$125
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$566
Provider with most accurate pricing for Portland-Bozeman Gallatin Field flight deals.
Provider most trusted by Cheapflights users for Portland-Bozeman Gallatin Field flights.
From Portland to Montana
One-way flight from Portland to Montana
Highest demand for flights based on searches. 20% potential increase in price ($136 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 7, 2026.
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

Thu 4/30

4:45 pm-10:33 pm

1 stop7h 48m

Bozeman Gallatin Field

Mon 5/4

12:35 pm-9:19 pm

1 stop6h 44m

$279

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Fri 5/1

3:23 pm-9:37 pm

1 stop8h 14m

Bozeman Gallatin Field

Sat 5/9

12:35 pm-11:59 pm

2 stops9h 24m

$281

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 5/2

4:45 pm-10:33 pm

1 stop7h 48m

Bozeman Gallatin Field

Sat 5/9

12:35 pm-9:19 pm

1 stop6h 44m

$283

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Fri 5/29

3:35 pm-9:13 pm

1 stop7h 38m

Bozeman Gallatin Field

Tue 6/2

4:17 pm-9:11 am

2 stops14h 54m

$299

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 2/21

6:00 am-12:28 pm

1 stop8h 28m

Bozeman Gallatin Field

Wed 2/25

8:11 am-11:20 pm

2 stops13h 09m

$368

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 3/7

5:29 am-9:38 pm

2 stops18h 09m

Bozeman Gallatin Field

Tue 3/17

1:36 pm-11:37 pm

1 stop8h 01m

$372

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Tue 3/24

5:07 pm-12:38 pm

2 stops21h 31m

Bozeman Gallatin Field

Tue 3/31

1:36 pm-11:37 pm

1 stop8h 01m

$372

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Sat 5/2

3:23 pm-9:30 pm

1 stop8h 07m

Missoula Johnson-Bell Field

Tue 5/5

6:15 am-3:41 pm

1 stop7h 26m

$459

PortlandBillings

PWM - BIL

PWMBIL

Portland

Wed 5/13

2:08 pm-10:45 pm

2 stops10h 37m

Billings Logan Intl

Sat 5/16

5:05 am-3:41 pm

1 stop8h 36m

$471

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Sat 2/28

5:45 am-1:32 pm

2 stops9h 47m

Missoula Johnson-Bell Field

Fri 3/6

6:15 am-10:18 pm

2 stops14h 03m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 32 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 $139). Flying from Portland, Maine to Montana in September is currently the most expensive (average of $244). 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 February 7, 2026.
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

7.8

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

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

7.8

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

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

7.8

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

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

7.8

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.2

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 7h 48m. The time it takes to get you to your destination can typically vary by up to 13h 06m. 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 $139). Flying from Portland, Maine to Montana in September is currently the most expensive (average of $244). 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 February 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$233Average$499FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$595FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$311Average$612FlexibilityNo cancel feeOn-time71%

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