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 11m. 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.

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.

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).

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.

What is the cheapest time of day to fly from MT to PWM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montana to Portland, Maine as you normally would.

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.

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.

$185+ Cheap Flights from Montana to Portland, ME

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Cheap flight deals from Montana to Portland

Cheapest

Best

Last-minute

One-way

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 August 24, 2026.

Mon 10/191:15 pm -

1 stop8h 25m

Mon 10/267:00 am -

1 stop7h 25m

Deal found 8/22

$369

Thu 10/222:12 pm -

1 stop7h 31m

Tue 10/277:00 am -

1 stop8h 27m

Deal found 8/23

$379

Thu 10/2212:26 pm -

1 stop7h 20m

Tue 10/278:32 am -

2 stops15h 19m

Deal found 8/23

$384

Sat 11/217:15 pm -

2 stops13h 15m

Tue 12/110:25 am -

2 stops13h 05m

Deal found 8/21

$389

Tue 9/221:21 pm -

1 stop8h 11m

Wed 9/3010:43 am -

2 stops12h 21m

Deal found 8/21

$406

Fri 10/162:29 pm -

1 stop7h 06m

Tue 10/206:01 am -

1 stop9h 18m

Deal found 8/22

$415

Sat 10/37:15 am -

2 stops14h 44m

Sat 10/106:00 am -

1 stop7h 28m

Deal found 8/23

$416

Sat 11/144:13 pm -

2 stops14h 47m

Sun 11/223:23 pm -

1 stop8h 07m

Deal found 8/23

$420

Fri 10/1612:53 pm -

1 stop6h 53m

Tue 10/209:50 am -

2 stops11h 22m

Deal found 8/22

$434

Sat 11/77:00 am -

2 stops12h 00m

Sun 11/811:55 am -

1 stop9h 59m

Deal found 8/20

$444

Sat 11/76:30 am -

2 stops12h 31m

Sun 11/812:42 pm -

2 stops11h 43m

Deal found 8/20

$458

Sat 11/77:00 am -

1 stop7h 02m

Tue 11/103:23 pm -

1 stop7h 51m

Deal found 8/20

$459

Best flights from Montana to Portland
Discover carefully curated flight deals from Montana to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.

Thu 10/2212:26 pm -

1 stop7h 20m

Tue 10/278:32 am -

2 stops15h 19m

Deal found 8/23

$384

Fri 11/66:25 pm -

2 stops17h 26m

Sun 11/811:55 am -

1 stop9h 59m

Deal found 8/20

$482

Mon 11/91:10 pm -

2 stops18h 42m

Fri 11/134:10 pm -

2 stops22h 30m

Deal found 8/21

$613

Tue 9/221:21 pm -

1 stop8h 11m

Wed 9/3010:43 am -

2 stops12h 21m

Deal found 8/21

$406

Sat 10/37:15 am -

2 stops14h 44m

Sat 10/106:00 am -

1 stop7h 28m

Deal found 8/23

$416

Sat 9/512:23 pm -

1 stop7h 00m

Wed 9/96:00 am -

1 stop7h 44m

Deal found 8/21

$459

Thu 11/58:33 am -

1 stop24h 17m

Sun 11/811:55 am -

1 stop9h 59m

Deal found 8/20

$573

Mon 11/91:10 pm -

2 stops18h 42m

Thu 11/124:10 pm -

2 stops22h 30m

Deal found 8/21

$616

Tue 11/1012:48 pm -

1 stop7h 03m

Wed 11/113:23 pm -

1 stop8h 07m

Deal found 8/22

$469

Tue 1/2610:45 am -

2 stops10h 12m

Sat 1/309:45 am -

2 stops13h 06m

Deal found 8/22

$469

Fri 11/66:30 am -

2 stops8h 17m

Tue 11/1012:50 pm -

2 stops11h 32m

Deal found 8/20

$629

Fri 10/164:19 pm -

2 stops14h 49m

Tue 10/208:03 am -

2 stops13h 09m

Deal found 8/22

$489

Tue 11/106:28 am -

1 stop7h 34m

Sat 11/143:23 pm -

1 stop8h 08m

Deal found 8/19

$489

Tue 11/36:14 am -

1 stop7h 48m

Sat 11/78:45 am -

2 stops15h 06m

Deal found 8/19

$494

Sat 1/236:15 am -

2 stops13h 12m

Tue 1/266:00 am -

2 stops14h 25m

Deal found 8/23

$499

Sat 1/307:00 am -

2 stops13h 57m

Tue 2/29:45 am -

2 stops13h 14m

Deal found 8/21

$499

Fri 11/67:00 am -

1 stop7h 02m

Mon 11/93:23 pm -

1 stop9h 07m

Deal found 8/20

$522

Sat 11/75:00 am -

1 stop9h 02m

Sun 11/83:23 pm -

1 stop7h 51m

Deal found 8/20

$547

Tue 9/2912:53 pm -

1 stop7h 01m

Tue 10/66:00 am -

1 stop7h 45m

Deal found 8/22

$551

Sat 10/105:57 pm -

2 stops14h 05m

Wed 10/148:03 am -

2 stops15h 07m

Deal found 8/21

$558

Sat 9/57:00 am -

2 stops12h 23m

Tue 9/83:37 pm -

1 stop7h 23m

Deal found 8/21

$570

Sat 11/76:15 am -

1 stop7h 47m

Tue 11/105:50 am -

2 stops12h 36m

Deal found 8/20

$573

Sat 1/2312:25 pm -

1 stop7h 02m

Tue 1/269:45 am -

2 stops13h 45m

Deal found 8/23

$584

Fri 9/183:23 pm -

2 stops15h 45m

Sun 9/205:15 am -

1 stop7h 27m

Deal found 8/23

$595

Wed 10/1412:53 pm -

1 stop7h 01m

Sat 10/176:00 am -

2 stops15h 12m

Deal found 8/22

$606

Fri 11/67:00 am -

1 stop7h 02m

Sun 11/83:23 pm -

1 stop7h 51m

Deal found 8/20

$612

Thu 11/57:00 am -

2 stops14h 21m

Tue 11/103:23 pm -

1 stop9h 07m

Deal found 8/20

$613

Sat 11/76:15 am -

1 stop7h 47m

Mon 11/93:23 pm -

1 stop8h 24m

Deal found 8/20

$618

Wed 12/98:30 am -

2 stops12h 54m

Sat 5/83:31 pm -

1 stop8h 07m

Deal found 8/21

$744

Mon 10/122:30 pm -

2 stops16h 38m

Tue 10/205:15 am -

3 stops18h 03m

Deal found 8/19

$788

Last-minute flights from Montana to Portland
Discover last-minute flight deals from Montana to Portland. Data last updated August 24, 2026 and is based on user searches.

Mon 8/246:15 am -

1 stop7h 36m

Fri 8/283:37 pm -

1 stop7h 54m

Deal found 8/22

$579

Tue 8/2512:25 pm -

1 stop6h 58m

Thu 8/273:37 pm -

1 stop7h 54m

Deal found 8/21

$541

Tue 9/15:53 pm -

2 stops13h 15m

Sat 9/510:45 am -

2 stops14h 00m

Deal found 8/19

$574

Sat 9/512:23 pm -

1 stop7h 00m

Wed 9/96:00 am -

1 stop7h 44m

Deal found 8/21

$459

Sat 9/511:43 am -

1 stop7h 40m

Tue 9/83:37 pm -

1 stop7h 23m

Deal found 8/21

$565

Tue 9/221:21 pm -

1 stop8h 11m

Wed 9/3010:43 am -

2 stops12h 21m

Deal found 8/21

$406

Tue 9/226:30 am -

2 stops15h 17m

Wed 9/307:32 am -

2 stops15h 11m

Deal found 8/22

$545

Fri 9/254:19 pm -

2 stops14h 49m

Tue 9/296:00 am -

1 stop7h 45m

Deal found 8/20

$484

Fri 9/2512:28 pm -

2 stops9h 17m

Wed 9/3011:03 am -

2 stops13h 07m

Deal found 8/21

$664

Sat 9/264:19 pm -

2 stops14h 49m

Wed 9/3010:43 am -

2 stops12h 21m

Deal found 8/22

$479

Tue 9/296:30 am -

2 stops13h 26m

Tue 10/67:00 am -

1 stop7h 25m

Deal found 8/20

$513

Wed 9/3012:45 pm -

1 stop9h 02m

Wed 10/74:27 pm -

2 stops22h 08m

Deal found 8/19

$709

One-way flights from Montana to Portland
Search for one-way flight options from Montana to Portland. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.

Thu 12/32:41 pm -

1 stop7h 12m

Deal found 8/23

$185

Wed 12/23:30 pm -

2 stops16h 20m

Deal found 8/22

$196

Thu 12/33:30 pm -

2 stops16h 20m

Deal found 8/23

$228

Thu 10/151:15 pm -

1 stop8h 28m

Deal found 8/22

$231

Fri 9/183:23 pm -

2 stops15h 45m

Deal found 8/20

$250

Wed 9/212:25 pm -

1 stop6h 58m

Deal found 8/20

$252

Mon 9/215:22 pm -

3 stops49h 57m

Deal found 8/23

$256

Sun 8/306:30 am -

1 stop7h 21m

Deal found 8/23

$278

Tue 12/227:39 am -

2 stops13h 21m

Deal found 8/19

$283

Tue 10/131:58 pm -

1 stop7h 42m

Deal found 8/21

$288

Wed 9/167:00 am -

2 stops14h 32m

Deal found 8/20

$295

Wed 12/212:38 pm -

1 stop6h 56m

Deal found 8/23

$304

Find flight deals from Montana to Portland

Round-trip from	$369 (American Airlines)
One-way from	$185 (Delta)
Popular in	November
Cheapest in	February
Average price	$546

From Montana to Portland

Search Deals

One-way flight from Montana to Portland

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($51 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellPortland

FCA Kalispell Glacier Park - PWM Portland

FCAPWM

Kalispell Glacier Park

Thu 10/22

12:26 pm-9:46 pm

1 stop7h 20m

Portland

Tue 10/27

8:32 am-9:51 pm

2 stops15h 19m

$384

BozemanPortland

BZN Bozeman Gallatin Field - PWM Portland

BZNPWM

Bozeman Gallatin Field

Tue 9/22

1:21 pm-11:32 pm

1 stop8h 11m

Portland

Wed 9/30

10:43 am-9:04 pm

2 stops12h 21m

$406

KalispellPortland

FCA Kalispell Glacier Park - PWM Portland

FCAPWM

Kalispell Glacier Park

Sat 10/3

7:15 am-11:59 pm

2 stops14h 44m

Portland

Sat 10/10

6:00 am-11:28 am

1 stop7h 28m

$416

Quickest round-trip

MissoulaPortland

MSO Missoula Johnson-Bell Field - PWM Portland

MSOPWM

Missoula Johnson-Bell Field

Sat 9/5

12:23 pm-9:23 pm

1 stop7h 00m

Portland

Wed 9/9

6:00 am-11:44 am

1 stop7h 44m

$459

BozemanPortland

BZN Bozeman Gallatin Field - PWM Portland

BZNPWM

Bozeman Gallatin Field

Tue 11/10

12:48 pm-9:51 pm

1 stop7h 03m

Portland

Wed 11/11

3:23 pm-9:30 pm

1 stop8h 07m

$469

BillingsPortland

BIL Billings Logan Intl - PWM Portland

BILPWM

Billings Logan Intl

Tue 1/26

10:45 am-10:57 pm

2 stops10h 12m

Portland

Sat 1/30

9:45 am-8:51 pm

2 stops13h 06m

$469

MissoulaPortland

MSO Missoula Johnson-Bell Field - PWM Portland

MSOPWM

Missoula Johnson-Bell Field

Fri 11/6

6:25 pm-1:51 pm

2 stops17h 26m

Portland

Sun 11/8

11:55 am-7:54 pm

1 stop9h 59m

$482

BozemanPortland

BZN Bozeman Gallatin Field - PWM Portland

BZNPWM

Bozeman Gallatin Field

Fri 10/16

4:19 pm-9:08 am

2 stops14h 49m

Portland

Tue 10/20

8:03 am-7:12 pm

2 stops13h 09m

$489

HelenaPortland

HLN Helena - PWM Portland

HLNPWM

Helena

Tue 11/10

6:28 am-4:02 pm

1 stop7h 34m

Portland

Sat 11/14

3:23 pm-9:31 pm

1 stop8h 08m

$489

KalispellPortland

FCA Kalispell Glacier Park - PWM Portland

FCAPWM

Kalispell Glacier Park

Tue 11/3

6:14 am-4:02 pm

1 stop7h 48m

Portland

Sat 11/7

8:45 am-9:51 pm

2 stops15h 06m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

Showing 1-10 of 50 resultsSorted by cheapest first

...

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.

BZN-PWM

MSO-PWM

BIL-PWM

COD-PWM

FCA-PWM

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

USMT-PWM

BZN-PWM

MSO-PWM

BIL-PWM

COD-PWM

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

Airfare is below average for this route at the moment.

Montana to Portland, Maine flights typically cost between $499 and $671 in October.
The cheapest round-trip price found within the last 5 days was $369 on American Airlines (Oct 19-Oct 26).

Related info for your journey

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 11m. 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 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.

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Top 2 airlines flying from Montana to Portland

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$308	Average$545	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$416	Average$572	FlexibilityNo cancel fee	On-time71%

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$185+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Montana to Portland

Cheapest flights from Montana to PortlandExplore 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 August 24, 2026.

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 August 24, 2026.

Best flights from Montana to PortlandDiscover carefully curated flight deals from Montana to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.

Discover carefully curated flight deals from Montana to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.

Last-minute flights from Montana to PortlandDiscover last-minute flight deals from Montana to Portland. Data last updated August 24, 2026 and is based on user searches.

Discover last-minute flight deals from Montana to Portland. Data last updated August 24, 2026 and is based on user searches.

One-way flights from Montana to PortlandSearch for one-way flight options from Montana to Portland. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.

Search for one-way flight options from Montana to Portland. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.

Find flight deals from Montana to Portland

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

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.

Cheapflights Insights

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

Airfare is below average for this route at the moment.

Montana to Portland, Maine flights typically cost between $499 and $671 in October.The cheapest round-trip price found within the last 5 days was $369 on American Airlines (Oct 19-Oct 26).

Related info for your journey

What airport do you fly into for flights to Portland from Montana?

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

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

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

How can I find direct flights from Montana to Portland?

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

Traveling to a place near Portland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montana to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Montana to Portland by cabin class

Find flights from Montana to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Montana and Portland flights

Browse other Montana and Portland flight options. Last updated on August 24, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Portland

Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 24, 2026.

Montana to Portland flights

Consider these flights traveling from Montana to Portland.

Top 2 airlines flying from Montana to Portland

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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 August 24, 2026.

Best flights from Montana to Portland
Discover carefully curated flight deals from Montana to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.

Last-minute flights from Montana to Portland
Discover last-minute flight deals from Montana to Portland. Data last updated August 24, 2026 and is based on user searches.

One-way flights from Montana to Portland
Search for one-way flight options from Montana to Portland. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.

Montana to Portland, Maine flights typically cost between $499 and $671 in October.
The cheapest round-trip price found within the last 5 days was $369 on American Airlines (Oct 19-Oct 26).