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$175+ Cheap flights from Montana to Portland, ME (PWM)

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — PWM
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Montana to Portland

Keep the following information in mind while searching for Montana to Portland flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$349
(United Airlines)

One-way from

$175
(United Airlines)

Popular in

February

Cheapest in

December

Average price

$534
Provider with most accurate pricing for Bozeman Gallatin Field-Portland flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Portland flights.
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From Montana to Portland
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One-way flight from Montana to Portland
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Highest demand for flights based on searches. 24% potential increase in price ($191 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Montana to Portland

Cheapest flights from Montana to Portland
Explore the most affordable flight options available from Montana to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/1. 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 11/136:35 amBZN - PWM
1 stop7h 13mUnited Airlines
Wed 11/193:20 pmPWM - BZN
1 stop8h 20mUnited Airlines
Deal found 11/1$349
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:25 amBIL - PWM
2 stops13h 54mDelta
Sat 11/224:53 pmPWM - BIL
2 stops8h 31mDelta
Deal found 11/2$399
This Delta deal was found by Cheapflights users on 11/1. 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 11/136:04 amBZN - PWM
2 stops14h 15mDelta
Sun 12/76:08 amPWM - BZN
1 stop9h 18mDelta
Deal found 11/1$418
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/136:35 amBZN - PWM
1 stop7h 13mUnited Airlines
Fri 11/213:20 pmPWM - BZN
1 stop8h 20mUnited Airlines
Deal found 11/1$434
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/116:35 amBZN - PWM
1 stop7h 13mUnited Airlines
Sat 11/153:20 pmPWM - BZN
1 stop8h 20mUnited Airlines
Deal found 11/1$439
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/187:00 amBIL - PWM
1 stop6h 48mUnited Airlines
Sat 11/229:54 amPWM - BIL
2 stops13h 24mUnited Airlines
Deal found 11/2$458
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/45:00 amBIL - PWM
1 stop8h 48mUnited Airlines
Tue 11/119:54 amPWM - BIL
2 stops13h 24mUnited Airlines
Deal found 11/1$489
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/166:10 amFCA - PWM
1 stop7h 39mUnited Airlines
Thu 11/203:20 pmPWM - FCA
1 stop8h 24mUnited Airlines
Deal found 11/1$551
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:25 amBIL - PWM
2 stops7h 42mDelta
Wed 12/315:45 amPWM - BIL
2 stops31h 27mDelta
Deal found 11/2$569
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Mon 11/176:40 amHLN - PWM
1 stop7h 08mUnited Airlines
Fri 11/217:22 pmPWM - HLN
2 stops28h 00mUnited Airlines
Deal found 11/1$593
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:25 amBIL - PWM
2 stops7h 42mDelta
Tue 12/305:45 amPWM - BIL
2 stops19h 34mDelta
Deal found 11/2$657
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:22 pmBIL - PWM
2 stops27h 37mDelta
Wed 12/311:03 pmPWM - BIL
2 stops36h 16mDelta
Deal found 11/2$678

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Portland 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 November 3, 2025.
Use the filters below to find and compare flights from Montana to Portland that are best for you.

Fly from

Montana

Fly to

Portland

Route

Depart

Return

Price

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 11/13

12:45 pm-11:17 pm

2 stops8h 32m

Portland

Wed 11/19

3:20 pm-9:40 pm

1 stop8h 20m

$354

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sat 1/17

1:40 pm-11:30 pm

1 stop7h 50m

Portland

Tue 1/20

9:00 am-9:33 pm

2 stops14h 33m

$394

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 11/13

6:04 am-10:19 pm

2 stops14h 15m

Portland

Sun 12/7

6:08 am-1:26 pm

1 stop9h 18m

$418

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 11/13

6:35 am-3:48 pm

1 stop7h 13m

Portland

Fri 11/21

3:20 pm-9:40 pm

1 stop8h 20m

$434

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Tue 11/18

7:00 am-3:48 pm

1 stop6h 48m

Portland

Sat 11/22

9:54 am-9:18 pm

2 stops13h 24m

$458

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Wed 12/24

5:30 am-10:15 pm

2 stops14h 45m

Portland

Wed 12/31

12:45 pm-10:45 pm

2 stops12h 00m

$489

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 11/13

12:45 pm-11:17 pm

2 stops8h 32m

Portland

Sun 12/7

6:00 am-3:31 pm

2 stops11h 31m

$511

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 11/17

6:35 am-3:48 pm

1 stop7h 13m

Portland

Fri 11/21

3:20 pm-9:40 pm

1 stop8h 20m

$525

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Sun 11/16

6:10 am-3:49 pm

1 stop7h 39m

Portland

Thu 11/20

3:20 pm-9:44 pm

1 stop8h 24m

$551

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Tue 4/7

5:20 am-9:59 pm

2 stops14h 39m

Portland

Wed 4/8

2:35 pm-5:46 pm

2 stops29h 11m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 33 results
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Best time to book a flight from Montana to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Montana 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 Montana to Portland

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

Currently, March is the cheapest month in which you can book a flight from Montana to Portland, Maine (average of $158). Flying from Montana to Portland, Maine in November is currently the most expensive (average of $284). 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.

Related info for your journey

Find useful and relevant information for your journey from Montana to Portland. 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 into for flights to Portland from Montana?

    For a flight from Montana to Portland, you will be flying into Portland. Portland (PWM) is just 2.9 mi from the center of the city.

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

    There are many flights that can get you from Montana to Portland, Maine in 8h 32m. Fly via United Airlines or Delta to get the fastest option. The distance between Montana and Portland, Maine is about 1988 mi. 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 Montana to Portland, Maine one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $175. Users have also found prices from $296 and $296 on Delta and American Airlines, respectively.

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

    While some choose either Billings Logan Intl - Portland or Kalispell Glacier Park - Portland, Bozeman Gallatin Field - Portland is the most popular route from Montana to Portland, Maine.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to Portland 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 Montana to Portland, Maine?

    Currently, March is the cheapest month in which you can book a flight from Montana to Portland, Maine (average of $158). Flying from Montana to Portland, Maine in November is currently the most expensive (average of $284). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway

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Top 4 airlines flying from Montana to Portland

Discover the top 4 airlines that operate flights from Montana to Portland. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$302Average$538FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$593FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$419Average$574FlexibilityNo cancel feeOn-time63%

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