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Portland

$154+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — PWM
Apr 30 — May 71
Thu 4/30
Thu 5/7
1 adult, Economy
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Cheap 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 March 31, 2026.

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.
Tue 9/153:29 pm
BZN
-
PWM
1 stop6h 44m
American Airlines
Tue 9/228:00 am
PWM
-
BZN
1 stop9h 20m
American Airlines
Deal found 3/29$309
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 9/153:29 pm
BZN
-
PWM
1 stop6h 44m
American Airlines
Wed 9/239:01 am
PWM
-
BZN
2 stops13h 38m
American Airlines
Deal found 3/28$314
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 9/301:39 pm
BZN
-
PWM
1 stop8h 34m
American Airlines
Wed 10/76:00 am
PWM
-
BZN
2 stops11h 22m
American Airlines
Deal found 3/29$385
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 9/66:38 am
BZN
-
PWM
1 stop9h 53m
American Airlines
Mon 9/148:00 am
PWM
-
BZN
1 stop9h 20m
American Airlines
Deal found 3/26$407
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.
Wed 9/236:38 am
BZN
-
PWM
1 stop9h 53m
American Airlines
Sat 10/39:01 am
PWM
-
BZN
2 stops13h 38m
American Airlines
Deal found 3/28$410
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.
Fri 4/312:32 pm
BZN
-
PWM
1 stop7h 08m
United Airlines
Sat 4/116:00 am
PWM
-
BZN
1 stop7h 29m
United Airlines
Deal found 3/28$432
This United Airlines deal was found by Cheapflights users on 3/26. 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 10/208:30 am
BZN
-
PWM
1 stop6h 42m
United Airlines
Sat 10/243:35 pm
PWM
-
BZN
1 stop7h 32m
United Airlines
Deal found 3/26$434
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:50 am
BZN
-
PWM
2 stops9h 32m
Delta
Sat 4/1112:51 pm
PWM
-
BZN
2 stops11h 28m
Delta
Deal found 3/28$442
This United Airlines deal was found by Cheapflights users on 3/26. 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 10/277:00 am
BIL
-
PWM
1 stop6h 49m
United Airlines
Sat 10/313:35 pm
PWM
-
BIL
1 stop7h 16m
United Airlines
Deal found 3/26$464
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.
Sat 4/186:15 am
MSO
-
PWM
2 stops10h 25m
United Airlines
Tue 4/286:04 am
PWM
-
MSO
2 stops12h 02m
United Airlines
Deal found 3/29$476
This United Airlines deal was found by Cheapflights users on 3/26. 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 10/276:15 am
MSO
-
PWM
1 stop7h 34m
United Airlines
Sat 10/313:35 pm
PWM
-
MSO
1 stop7h 51m
United Airlines
Deal found 3/26$499
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Mon 6/11:19 pm
MSO
-
PWM
1 stop9h 16m
American Airlines
Mon 6/87:19 pm
PWM
-
MSO
1 stop19h 30m
American Airlines
Deal found 3/26$508

Find flight deals from Montana to Portland

Keep the following information in mind while searching for Montana to Portland flight deals. Data was last updated March 31, 2026.

Round-trip from

$309
(American Airlines)

One-way from

$154
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$537
From Montana to Portland
Search Deals
One-way flight from Montana to Portland
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 31, 2026.
Use the filters below to find and compare flights from Montana to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 5/4

8:30 am-11:59 pm

2 stops13h 29m

Portland

Wed 5/13

6:00 am-11:26 am

1 stop7h 26m

$470

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sat 4/18

6:15 am-6:40 pm

2 stops10h 25m

Portland

Tue 4/28

6:04 am-4:06 pm

2 stops12h 02m

$476

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Mon 6/1

1:19 pm-12:35 am

1 stop9h 16m

Portland

Mon 6/8

7:19 pm-12:49 pm

1 stop19h 30m

$508

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Tue 4/28

6:18 pm-12:46 am

2 stops28h 28m

Portland

Sat 5/9

12:55 pm-11:16 pm

2 stops12h 21m

$515

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 4/20

11:59 am-12:46 am

2 stops10h 47m

Portland

Sat 4/25

12:46 pm-10:02 pm

2 stops11h 16m

$544

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Mon 4/27

6:18 pm-12:46 am

2 stops28h 28m

Portland

Sat 5/9

12:55 pm-11:16 pm

2 stops12h 21m

$545

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 9/7

1:33 pm-10:45 pm

1 stop7h 12m

Portland

Mon 9/14

8:00 am-3:20 pm

1 stop9h 20m

$555
Quickest round-trip

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 4/20

12:32 pm-9:40 pm

1 stop7h 08m

Portland

Sat 4/25

6:00 am-11:29 am

1 stop7h 29m

$564

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sat 4/18

1:08 pm-11:27 pm

1 stop8h 19m

Portland

Tue 4/28

7:07 am-9:45 pm

2 stops16h 38m

$565

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 4/11

6:15 am-9:40 pm

2 stops13h 25m

Portland

Wed 4/15

11:09 am-9:33 pm

2 stops12h 24m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 51 resultsSorted by cheapest first
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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 $148). Flying from Montana to Portland, Maine in January is currently the most expensive (average of $323). 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 Montana to Portland, Maine?

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 9h 16m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. The distance between Montana and Portland, Maine is about 2111 mi. 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 Montana to Portland, Maine?

    While some choose either Billings Logan Intl - Portland or Cody E.E. Faust - 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 $148). Flying from Montana to Portland, Maine in January is currently the most expensive (average of $323). 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
Lewiston
Conway

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Montana to Portland

Discover the top 3 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 March 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$302Average$555FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$363Average$625FlexibilityNo cancel feeOn-time69%

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