HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$160+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — PWM
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
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

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 14, 2026.

This United Airlines deal was found by Cheapflights users on 5/9. 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 6/211:38 am
BZN
-
PWM
1 stop9h 52m
United Airlines
Sat 6/65:00 pm
PWM
-
BZN
1 stop7h 47m
United Airlines
Deal found 5/9$309
This American Airlines deal was found by Cheapflights users on 5/13. 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 9/296:38 am
BZN
-
PWM
2 stops11h 45m
American Airlines
Tue 10/67:14 am
PWM
-
BZN
1 stop7h 00m
American Airlines
Deal found 5/13$339
This American Airlines deal was found by Cheapflights users on 5/12. 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 9/97:00 am
BIL
-
PWM
1 stop9h 31m
American Airlines
Wed 9/164:03 pm
PWM
-
BIL
1 stop8h 19m
American Airlines
Deal found 5/12$384
This American Airlines deal was found by Cheapflights users on 5/13. 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 6/31:38 pm
BZN
-
PWM
1 stop9h 03m
American Airlines
Tue 6/97:58 am
PWM
-
BZN
2 stops14h 45m
American Airlines
Deal found 5/13$399
This American Airlines deal was found by Cheapflights users on 5/9. 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 6/211:48 am
BZN
-
PWM
2 stops10h 47m
American Airlines
Sat 6/67:58 am
PWM
-
BZN
2 stops14h 45m
American Airlines
Deal found 5/9$404
This United Airlines deal was found by Cheapflights users on 5/12. 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 10/2812:30 pm
BZN
-
PWM
1 stop6h 57m
United Airlines
Sat 10/313:35 pm
PWM
-
BZN
1 stop7h 32m
United Airlines
Deal found 5/12$409
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/3012:33 pm
MSO
-
PWM
1 stop7h 18m
United Airlines
Mon 6/16:00 am
PWM
-
MSO
1 stop7h 32m
United Airlines
Deal found 5/11$409
This United Airlines deal was found by Cheapflights users on 5/13. 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 9/293:40 pm
BZN
-
PWM
2 stops16h 24m
United Airlines
Tue 10/66:00 am
PWM
-
BZN
2 stops11h 23m
United Airlines
Deal found 5/13$419
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/211:26 pm
BZN
-
PWM
1 stop7h 21m
American Airlines
Mon 5/256:00 am
PWM
-
BZN
1 stop8h 28m
American Airlines
Deal found 5/11$439
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Fri 9/251:39 pm
BZN
-
PWM
1 stop8h 34m
American Airlines
Tue 10/67:14 am
PWM
-
BZN
1 stop7h 00m
American Airlines
Deal found 5/12$448
This American Airlines deal was found by Cheapflights users on 5/11. 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 5/261:25 pm
FCA
-
PWM
1 stop9h 10m
American Airlines
Sat 5/306:28 am
PWM
-
FCA
1 stop8h 08m
American Airlines
Deal found 5/11$449
This United Airlines deal was found by Cheapflights users on 5/12. 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 6/1112:35 pm
FCA
-
PWM
1 stop7h 16m
United Airlines
Sat 6/136:00 am
PWM
-
FCA
1 stop7h 29m
United Airlines
Deal found 5/12$460

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 May 14, 2026.

Round-trip from

$309
(United Airlines)

One-way from

$160
(Delta)

Popular in

November

Cheapest in

February

Average price

$499
From Montana to Portland
Search Deals
One-way flight from Montana to Portland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 14, 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

Tue 6/2

11:38 am-11:30 pm

1 stop9h 52m

Portland

Sat 6/6

5:00 pm-10:47 pm

1 stop7h 47m

$309
Quickest round-trip

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Wed 10/28

12:30 pm-9:27 pm

1 stop6h 57m

Portland

Sat 10/31

3:35 pm-9:07 pm

1 stop7h 32m

$409

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sat 5/30

12:33 pm-9:51 pm

1 stop7h 18m

Portland

Mon 6/1

6:00 am-11:32 am

1 stop7h 32m

$409

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Thu 6/11

12:35 pm-9:51 pm

1 stop7h 16m

Portland

Sat 6/13

6:00 am-11:29 am

1 stop7h 29m

$460

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sat 5/30

12:33 pm-9:51 pm

1 stop7h 18m

Portland

Mon 6/8

6:00 am-11:32 am

1 stop7h 32m

$479

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Tue 9/1

1:21 pm-11:32 pm

1 stop8h 11m

Portland

Wed 9/2

5:15 am-3:30 pm

2 stops12h 15m

$481

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Wed 10/28

6:31 am-10:57 pm

2 stops14h 26m

Portland

Sat 10/31

3:35 pm-9:30 pm

1 stop7h 55m

$494

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sun 5/24

12:34 pm-11:51 pm

2 stops9h 17m

Portland

Mon 6/1

3:31 pm-9:34 pm

1 stop8h 03m

$504

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sat 7/11

11:29 am-12:59 am

2 stops11h 30m

Portland

Sat 7/18

2:51 pm-7:44 pm

1 stop6h 53m

$564

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Tue 5/26

6:15 am-9:52 pm

2 stops13h 37m

Portland

Mon 6/1

3:31 pm-9:34 pm

1 stop8h 03m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 48 resultsSorted by cheapest first
1
2
3
...
5

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

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 49m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. The distance between Montana and Portland, Maine is about 1864 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 Missoula Johnson-Bell Field - 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.

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

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 May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$394FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$302Average$550FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$572FlexibilityNo cancel feeOn-time69%

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.