HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$157+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — PWM
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$318
(American Airlines)

One-way from

$157
(American Airlines)

Popular in

February

Cheapest in

April

Average price

$607
Provider with most accurate pricing for Bozeman Gallatin Field-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Portland flights.
Search Deals
From Montana to Portland
Search Deals
One-way flight from Montana to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 7/2912:30 pmBZN - PWM
1 stop8h 16mAmerican Airlines
Wed 8/67:15 amPWM - BZN
2 stops10h 35mAmerican Airlines
Deal found 4/29$318
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/142:51 pmBZN - PWM
1 stop7h 01mJetBlue
Sat 6/216:10 amPWM - BZN
1 stop9h 46mJetBlue
Deal found 4/29$330
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:00 pmBZN - PWM
1 stop7h 59mDelta
Sat 8/236:30 amPWM - BZN
1 stop8h 20mDelta
Deal found 4/29$351
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/2412:30 pmBIL - PWM
1 stop7h 26mUnited Airlines
Fri 5/303:28 pmPWM - BIL
1 stop8h 29mUnited Airlines
Deal found 4/29$379
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:15 amBZN - PWM
2 stops10h 55mSouthwest
Sun 9/145:35 amPWM - BZN
2 stops11h 15mSouthwest
Deal found 4/29$423
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/241:58 pmBIL - PWM
2 stops18h 29mAmerican Airlines
Fri 5/301:07 pmPWM - BIL
2 stops10h 55mAmerican Airlines
Deal found 4/30$428
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 7/175:05 amMSO - PWM
1 stop15h 47mAmerican Airlines
Mon 7/216:00 amPWM - MSO
1 stop19h 29mAmerican Airlines
Deal found 4/29$507
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 8/144:32 pmBZN - PWM
2 stops19h 52mUnited Airlines
Sat 8/236:00 amPWM - BZN
3 stops16h 46mUnited Airlines
Deal found 4/29$516
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/95:05 pmFCA - PWM
2 stops22h 24mUnited Airlines
Tue 5/135:30 amPWM - FCA
2 stops12h 43mUnited Airlines
Deal found 4/29$653
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:53 amFCA - PWM
2 stops10h 21mDelta
Tue 5/131:30 pmPWM - FCA
2 stops13h 00mDelta
Deal found 4/30$679
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 7/1712:40 pmMSO - PWM
2 stops9h 19mUnited Airlines
Mon 7/217:15 pmPWM - MSO
2 stops16h 41mUnited Airlines
Deal found 4/29$694
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 5/146:25 amHLN - PWM
2 stops15h 02mUnited Airlines
Sun 5/185:30 amPWM - HLN
2 stops17h 45mUnited Airlines
Deal found 4/29$842

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 May 1, 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

Tue 7/29

12:30 pm-10:46 pm

1 stop8h 16m

Portland

Wed 8/6

7:15 am-3:50 pm

2 stops10h 35m

$318

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sat 6/14

2:51 pm-11:52 pm

1 stop7h 01m

Portland

Sat 6/21

6:10 am-1:56 pm

1 stop9h 46m

$330

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 8/14

2:00 pm-11:59 pm

1 stop7h 59m

Portland

Sat 8/23

6:30 am-12:50 pm

1 stop8h 20m

$351

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Sat 5/24

12:30 pm-9:56 pm

1 stop7h 26m

Portland

Fri 5/30

3:28 pm-9:57 pm

1 stop8h 29m

$379

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 9/11

10:15 am-11:10 pm

2 stops10h 55m

Portland

Sun 9/14

5:35 am-2:50 pm

2 stops11h 15m

$423

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Sat 5/24

1:58 pm-10:27 am

2 stops18h 29m

Portland

Fri 5/30

1:07 pm-10:02 pm

2 stops10h 55m

$428

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Thu 7/17

5:05 am-10:52 pm

1 stop15h 47m

Portland

Mon 7/21

6:00 am-11:29 pm

1 stop19h 29m

$507

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 8/14

4:32 pm-2:24 pm

2 stops19h 52m

Portland

Sat 8/23

6:00 am-8:46 pm

3 stops16h 46m

$516

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Thu 7/17

12:40 pm-11:59 pm

2 stops9h 19m

Portland

Mon 7/21

7:15 pm-9:56 am

2 stops16h 41m

$694

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Thu 5/15

2:33 pm-9:56 am

2 stops17h 23m

Portland

Mon 5/19

6:10 am-9:41 pm

2 stops17h 31m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 results
1
2
3

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, January is the cheapest month in which you can book a flight from Montana to Portland, Maine (average of $296). Flying from Montana to Portland, Maine in May is currently the most expensive (average of $405). 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated May 1, 2025.
Read through reviews of airlines operating flights from Montana to Portland, such as Southwest, Delta and United Airlines. 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.
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,294 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

  • What are the cheapest airlines to fly from Montana to Portland, Maine one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $157. Users have also found prices from $261 and $306 on United Airlines and Delta, respectively.

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

    While some choose either Kalispell Glacier Park - Portland or Billings Logan Intl - 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, January is the cheapest month in which you can book a flight from Montana to Portland, Maine (average of $296). Flying from Montana to Portland, Maine in May is currently the most expensive (average of $405). 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 Montana?

Book flights to Montana if you plan to visit one of these locations
North Conway
Bath
Brunswick
Auburn
Conway
Lewiston

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.
Los Angeles to Boston flights
Reagan-National to Boston flights
San Francisco to Boston flights
Dallas/Fort Worth to Boston flights
Dulles Intl to Boston flights
Newark to Boston flights
O'Hare Intl to Boston flights
LaGuardia to Boston flights
Seattle to Boston flights
Baltimore to Boston flights
Hobby to Boston flights
Charlotte to Boston flights
Atlanta to Boston flights
George Bush Intcntl to Boston flights
Tampa to Boston flights
John F Kennedy Intl to Boston flights
Denver to Boston flights
Fort Lauderdale to Boston flights
Austin to Boston flights
Raleigh to Boston flights
Minneapolis to Boston flights
Detroit to Boston flights
Miami to Boston flights
Philadelphia to Boston flights
Orlando to Boston flights
Cleveland to Boston flights
Pittsburgh to Boston flights
Portland to Boston flights
Jacksonville to Boston flights
Cincinnati to Boston flights
O'Hare Intl to Portland flights
San Diego to Boston flights
Sky Harbor Intl to Boston flights
Ontario to Boston flights
John F Kennedy Intl to Portland flights
Midway to Boston flights
Burbank to Boston flights
Columbus to Boston flights
Salt Lake City to Boston flights
LaGuardia to Portland flights
Newark to Portland flights
Reagan-National to Portland flights
Denver to Portland flights
Fort Myers to Boston flights
Santa Ana to Boston flights
Dulles Intl to Portland flights
Love Field to Boston flights
Indianapolis to Boston flights
Kansas City to Boston flights
Las Vegas to Boston flights

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$387FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$674FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$383Average$714FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$476Average$572FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.