Montana

$180+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — BZN
May 1 — May 81
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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 April 1, 2026.

This Delta deal was found by Cheapflights users on 3/31. 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.
Tue 8/253:00 pm
PWM
-
BZN
2 stops10h 53m
Delta
Tue 9/112:20 pm
BZN
-
PWM
1 stop8h 13m
Delta
Deal found 3/31$314
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.
Tue 9/110:05 am
PWM
-
BZN
2 stops12h 34m
American Airlines
Tue 9/156:38 am
BZN
-
PWM
2 stops11h 45m
American Airlines
Deal found 3/28$319
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/286:04 am
PWM
-
BZN
2 stops9h 30m
United Airlines
Tue 5/54:18 pm
BZN
-
PWM
2 stops16h 00m
United Airlines
Deal found 3/29$338
This American Airlines deal was found by Cheapflights users on 3/31. 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 8/256:00 am
PWM
-
BZN
2 stops11h 50m
American Airlines
Tue 9/112:02 pm
BZN
-
PWM
2 stops9h 45m
American Airlines
Deal found 3/31$344
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.
Sat 4/116:00 am
PWM
-
BZN
1 stop7h 29m
United Airlines
Wed 4/1512:39 pm
BZN
-
PWM
1 stop7h 01m
United Airlines
Deal found 3/27$359
This American Airlines deal was found by Cheapflights users on 3/31. 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 8/278:00 am
PWM
-
BZN
1 stop9h 20m
American Airlines
Tue 9/112:02 pm
BZN
-
PWM
2 stops9h 45m
American Airlines
Deal found 3/31$364
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
PWM
-
BZN
1 stop7h 32m
United Airlines
Tue 9/11:10 pm
BZN
-
PWM
1 stop8h 21m
United Airlines
Deal found 3/28$381
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.
Sat 4/116:00 am
PWM
-
BIL
2 stops9h 23m
United Airlines
Wed 4/157:00 am
BIL
-
PWM
2 stops8h 32m
United Airlines
Deal found 3/27$461
This United Airlines deal was found by Cheapflights users on 3/30. 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 10/289:10 am
PWM
-
BIL
2 stops13h 41m
United Airlines
Sat 10/3112:30 pm
BIL
-
PWM
1 stop6h 57m
United Airlines
Deal found 3/30$474
This American Airlines deal was found by Cheapflights users on 3/29. 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 8/193:30 pm
PWM
-
MSO
1 stop9h 58m
American Airlines
Wed 8/267:45 am
MSO
-
PWM
1 stop13h 00m
American Airlines
Deal found 3/29$478
This United Airlines deal was found by Cheapflights users on 3/31. 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 8/286:00 am
PWM
-
MSO
1 stop7h 34m
United Airlines
Sun 8/3012:40 pm
MSO
-
PWM
1 stop7h 21m
United Airlines
Deal found 3/31$499
This United Airlines deal was found by Cheapflights users on 3/30. 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 10/313:35 pm
PWM
-
HLN
1 stop7h 24m
United Airlines
Tue 11/37:00 am
HLN
-
PWM
1 stop6h 49m
United Airlines
Deal found 3/30$499

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(Delta)

One-way from

$180
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$383
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. 18% potential increase in price ($105 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 1, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Tue 8/25

3:00 pm-11:53 pm

2 stops10h 53m

Bozeman Gallatin Field

Tue 9/1

12:20 pm-10:33 pm

1 stop8h 13m

$314
Quickest round-trip

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Sat 4/11

6:00 am-11:29 am

1 stop7h 29m

Bozeman Gallatin Field

Wed 4/15

12:39 pm-9:40 pm

1 stop7h 01m

$359

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Tue 4/14

6:04 am-11:31 am

1 stop7h 27m

Bozeman Gallatin Field

Sat 4/18

12:32 pm-9:40 pm

1 stop7h 08m

$359

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Tue 8/18

12:00 pm-6:23 pm

1 stop8h 23m

Bozeman Gallatin Field

Mon 9/28

8:30 am-5:12 pm

1 stop6h 42m

$408

PortlandBozeman

PWM - BZN

PWMBZN

Portland

Tue 8/18

5:15 am-3:13 pm

2 stops11h 58m

Bozeman Gallatin Field

Tue 8/25

10:41 am-11:59 pm

2 stops11h 18m

$419

PortlandBillings

PWM - BIL

PWMBIL

Portland

Sat 4/11

6:00 am-1:23 pm

2 stops9h 23m

Billings Logan Intl

Wed 4/15

7:00 am-5:32 pm

2 stops8h 32m

$461

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Wed 8/19

3:30 pm-11:28 pm

1 stop9h 58m

Missoula Johnson-Bell Field

Wed 8/26

7:45 am-10:45 pm

1 stop13h 00m

$478

PortlandMissoula

PWM - MSO

PWMMSO

Portland

Fri 8/21

5:15 am-3:22 pm

2 stops12h 07m

Missoula Johnson-Bell Field

Fri 8/28

4:19 pm-10:02 am

2 stops15h 43m

$539

PortlandBillings

PWM - BIL

PWMBIL

Portland

Fri 8/14

3:30 pm-10:59 pm

1 stop9h 29m

Billings Logan Intl

Sun 8/16

7:00 am-6:31 pm

1 stop9h 31m

$559

PortlandBillings

PWM - BIL

PWMBIL

Portland

Thu 4/23

10:24 am-10:43 pm

2 stops14h 19m

Billings Logan Intl

Tue 4/28

1:51 pm-9:54 am

2 stops18h 03m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 44 resultsSorted by cheapest first
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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 $256). 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.

How much does it cost to fly round-trip from Portland, Maine to Montana?

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 April 1, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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.

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

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.

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

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.

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

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.

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

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 Delta, American Airlines, and United Airlines fly from Portland, Maine to Montana in about 9h 30m. The time it takes to get you to your destination can typically vary by up to 3h 04m. 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 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 $256). 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$499FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$604FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$311Average$617FlexibilityNo cancel feeOn-time71%

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