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Cheap flights from Montana to Portland from $160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Portland departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Montana to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:38 am - 11:30 pm
BZN
-
PWM
9h 52m
1 stop
United Airlines Logo
5:00 pm - 10:47 pm
PWM
-
BZN
7h 47m
1 stop
$309United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
11:38 am - 11:51 pm
BZN
-
PWM
10h 13m
2 stops
United Airlines Logo
5:00 pm - 10:47 pm
PWM
-
BZN
7h 47m
1 stop
$324United Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
3:29 pm - 12:13 am
BZN
-
PWM
6h 44m
1 stop
American Airlines Logo
7:14 am - 12:14 pm
PWM
-
BZN
7h 00m
1 stop
$334American Airlines
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
6:38 am - 8:23 pm
BZN
-
PWM
11h 45m
2 stops
American Airlines Logo
7:14 am - 12:14 pm
PWM
-
BZN
7h 00m
1 stop
$339American Airlines
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
12:48 pm - 9:51 pm
BZN
-
PWM
7h 03m
1 stop
United Airlines Logo
4:56 pm - 10:43 pm
PWM
-
BZN
7h 47m
1 stop
$359United Airlines
Sun, May 24 - Thu, May 28
United Airlines Logo
10:20 am - 11:30 pm
BZN
-
PWM
11h 10m
2 stops
United Airlines Logo
4:56 pm - 10:43 pm
PWM
-
BZN
7h 47m
1 stop
$364United Airlines
Sun, May 24 - Thu, May 28
American Airlines Logo
3:29 pm - 12:13 am
BZN
-
PWM
6h 44m
1 stop
American Airlines Logo
7:14 am - 12:14 pm
PWM
-
BZN
7h 00m
1 stop
$370American Airlines
Tue, Sep 29 - Tue, Oct 6
Delta Logo
6:00 am - 5:11 pm
BZN
-
PWM
9h 11m
2 stops
Delta Logo
12:50 pm - 11:59 pm
PWM
-
BZN
13h 09m
2 stops
$399Delta
Sun, May 24 - Thu, May 28
Delta Logo
5:05 am - 5:11 pm
MSO
-
PWM
10h 06m
2 stops
Delta Logo
2:05 pm - 11:40 pm
PWM
-
MSO
11h 35m
2 stops
$544Delta
Sun, May 24 - Mon, Jun 1
Delta Logo
5:45 am - 11:09 pm
HLN
-
PWM
15h 24m
2 stops
Delta Logo
12:50 pm - 10:33 pm
PWM
-
HLN
11h 43m
2 stops
$911Delta
Fri, May 29 - Mon, Jun 1

United Airlines flights from Montana to Portland, Maine

Our best United Airlines deals on Montana to Portland, Maine flight tickets
United Airlines
Jun 2
BZN11:38 amBozeman Gallatin Field
9h 52m
1 stop
PWM11:30 pmPortland
Jun 6
PWM5:00 pmPortland
7h 47m
1 stop
BZN10:47 pmBozeman Gallatin Field
$309
United Airlines
Jun 2
BZN11:38 amBozeman Gallatin Field
10h 13m
2 stops
PWM11:51 pmPortland
Jun 6
PWM5:00 pmPortland
7h 47m
1 stop
BZN10:47 pmBozeman Gallatin Field
$324
United Airlines
May 24
BZN12:48 pmBozeman Gallatin Field
7h 03m
1 stop
PWM9:51 pmPortland
May 28
PWM4:56 pmPortland
7h 47m
1 stop
BZN10:43 pmBozeman Gallatin Field
$359

American Airlines flights from Montana to Portland, Maine

Our best American Airlines deals on Montana to Portland, Maine flight tickets
American Airlines
Sep 29
BZN3:29 pmBozeman Gallatin Field
6h 44m
1 stop
PWM12:13 amPortland
Oct 6
PWM7:14 amPortland
7h 00m
1 stop
BZN12:14 pmBozeman Gallatin Field
$334
American Airlines
Sep 29
BZN6:38 amBozeman Gallatin Field
11h 45m
2 stops
PWM8:23 pmPortland
Oct 6
PWM7:14 amPortland
7h 00m
1 stop
BZN12:14 pmBozeman Gallatin Field
$339
American Airlines
Sep 29
BZN3:29 pmBozeman Gallatin Field
6h 44m
1 stop
PWM12:13 amPortland
Oct 6
PWM7:14 amPortland
7h 00m
1 stop
BZN12:14 pmBozeman Gallatin Field
$370

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Portland, Maine 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, momondo users made 832,500 searches. Data last updated May 13, 2026.
Use the filters below to find and compare flights from Montana to Portland, Maine 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

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Tue 6/2

11:38 am-11:51 pm

2 stops10h 13m

Portland

Sat 6/6

5:00 pm-10:47 pm

1 stop7h 47m

$324
Quickest round-trip

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Tue 9/29

3:29 pm-12:13 am

1 stop6h 44m

Portland

Tue 10/6

7:14 am-12:14 pm

1 stop7h 00m

$334

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Tue 9/29

6:38 am-8:23 pm

2 stops11h 45m

Portland

Tue 10/6

7:14 am-12:14 pm

1 stop7h 00m

$339

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sun 5/24

12:48 pm-9:51 pm

1 stop7h 03m

Portland

Thu 5/28

4:56 pm-10:43 pm

1 stop7h 47m

$359

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sun 5/24

10:20 am-11:30 pm

2 stops11h 10m

Portland

Thu 5/28

4:56 pm-10:43 pm

1 stop7h 47m

$364

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Tue 9/29

3:29 pm-12:13 am

1 stop6h 44m

Portland

Tue 10/6

7:14 am-12:14 pm

1 stop7h 00m

$370

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sun 5/24

6:00 am-5:11 pm

2 stops9h 11m

Portland

Thu 5/28

12:50 pm-11:59 pm

2 stops13h 09m

$399

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sun 5/24

5:05 am-5:11 pm

2 stops10h 06m

Portland

Mon 6/1

2:05 pm-11:40 pm

2 stops11h 35m

$544

HelenaPortland

HLN - PWM

HLNPWM

Helena

Fri 5/29

5:45 am-11:09 pm

2 stops15h 24m

Portland

Mon 6/1

12:50 pm-10:33 pm

2 stops11h 43m

$911

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Montana to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Montana is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $179.

Can stopping save me money on Montana to Portland, Maine flights?

You could potentially save up to 22% on your flight if you consider stops on a Montana to Portland, Maine flight.

Cheap Montana to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Portland, Maine

Fastest flight time

6h 57m

Direct flights

None
The fastest flight from Montana to Portland, Maine takes 6h 57m
There are no direct flights from Montana to Portland, Maine. There are no popular flight routes from Montana to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Montana to Portland, Maine

  • When did momondo last update prices for flights from Montana to Portland Airport?

    Prices for flights from Montana to Portland Airport are updated daily.

  • How many operators does momondo search for flights from Montana to Portland Airport?

  • How old do you have to be to fly from Montana to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montana to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to Portland, Maine

Compare and see reviews for airlines that fly from Montana to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $179Free CancellationRating
7.9
8,450 reviews
Search Delta flights
American AirlinesPriceFrom $302Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
9,706 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Portland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montana to Portland. momondo saves you time and could save you money on your trip.

Can I find flights from Montana to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Montana on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montana to Portland?

momondo helps you find the best flight between Montana and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Montana to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Montana to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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