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Cheap flights from Montana to Portland from $182

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 9/5. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:30 am - 6:46 pm
BZN
-
PWM
10h 16m
1 stop
American Airlines Logo
7:14 am - 12:14 pm
PWM
-
BZN
7h 00m
1 stop
$363American Airlines
Tue, Sep 29 - Tue, Oct 6
Delta Logo
2:25 pm - 12:59 am
BZN
-
PWM
8h 34m
1 stop
Delta Logo
2:14 pm - 11:16 pm
PWM
-
BZN
11h 02m
2 stops
$368Delta
Sat, Aug 1 - Wed, Aug 19
American Airlines Logo
1:33 pm - 11:47 pm
BZN
-
PWM
8h 14m
1 stop
American Airlines Logo
7:00 am - 12:25 pm
PWM
-
BZN
7h 25m
1 stop
$372American Airlines
Thu, Oct 1 - Tue, Oct 6
American Airlines Logo
1:15 pm - 11:40 pm
BZN
-
PWM
8h 25m
1 stop
American Airlines Logo
7:00 am - 12:25 pm
PWM
-
BZN
7h 25m
1 stop
$381American Airlines
Mon, Oct 19 - Mon, Oct 26
United Airlines Logo
6:15 am - 4:02 pm
FCA
-
PWM
7h 47m
1 stop
United Airlines Logo
3:27 pm - 9:42 pm
PWM
-
FCA
8h 15m
1 stop
$389United Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
6:15 am - 9:15 pm
FCA
-
PWM
13h 00m
2 stops
United Airlines Logo
3:27 pm - 9:42 pm
PWM
-
FCA
8h 15m
1 stop
$394United Airlines
Sat, Nov 7 - Wed, Nov 11
Southwest Logo
7:10 am - 9:55 pm
BZN
-
PWM
12h 45m
2 stops
Southwest Logo
5:30 am - 3:35 pm
PWM
-
BZN
12h 05m
2 stops
$397Southwest
Mon, Oct 19 - Mon, Oct 26
Delta Logo
6:09 pm - 9:30 am
FCA
-
PWM
13h 21m
2 stops
Delta Logo
12:50 pm - 11:07 pm
PWM
-
FCA
12h 17m
2 stops
$399Delta
Sat, Nov 7 - Wed, Nov 11
Southwest Logo
11:15 am - 12:05 am
BZN
-
PWM
10h 50m
2 stops
Southwest Logo
10:25 am - 7:05 pm
PWM
-
BZN
10h 40m
2 stops
$401Southwest
Thu, Oct 1 - Tue, Oct 6
Southwest Logo
12:55 pm - 10:05 pm
BZN
-
PWM
7h 10m
1 stop
Southwest Logo
5:50 am - 3:35 pm
PWM
-
BZN
11h 45m
2 stops
$402Southwest
Wed, Sep 30 - Sun, Oct 4

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American Airlines flights from Montana to Portland, Maine

Our best American Airlines deals on Montana to Portland, Maine flight tickets
American Airlines
Sep 29
BZN6:30 amBozeman Gallatin Field
10h 16m
1 stop
PWM6:46 pmPortland
Oct 6
PWM7:14 amPortland
7h 00m
1 stop
BZN12:14 pmBozeman Gallatin Field
$363
American Airlines
Oct 1
BZN1:33 pmBozeman Gallatin Field
8h 14m
1 stop
PWM11:47 pmPortland
Oct 6
PWM7:00 amPortland
7h 25m
1 stop
BZN12:25 pmBozeman Gallatin Field
$372
American Airlines
Oct 19
BZN1:15 pmBozeman Gallatin Field
8h 25m
1 stop
PWM11:40 pmPortland
Oct 26
PWM7:00 amPortland
7h 25m
1 stop
BZN12:25 pmBozeman Gallatin Field
$381

Delta flights from Montana to Portland, Maine

Our best Delta deals on Montana to Portland, Maine flight tickets
Delta
Aug 1
BZN2:25 pmBozeman Gallatin Field
8h 34m
1 stop
PWM12:59 amPortland
Aug 19
PWM2:14 pmPortland
11h 02m
2 stops
BZN11:16 pmBozeman Gallatin Field
$368
Delta
Nov 7
FCA6:09 pmKalispell Glacier Park
13h 21m
2 stops
PWM9:30 amPortland
Nov 11
PWM12:50 pmPortland
12h 17m
2 stops
FCA11:07 pmKalispell Glacier Park
$399
Delta
Aug 1
BZN2:25 pmBozeman Gallatin Field
8h 34m
1 stop
PWM12:59 amPortland
Aug 18
PWM6:05 amPortland
9h 00m
1 stop
BZN1:05 pmBozeman Gallatin Field
$432

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 July 1, 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 9/29

6:30 am-6:46 pm

1 stop10h 16m

Portland

Tue 10/6

7:14 am-12:14 pm

1 stop7h 00m

$363

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sat 8/1

2:25 pm-12:59 am

1 stop8h 34m

Portland

Wed 8/19

2:14 pm-11:16 pm

2 stops11h 02m

$368
Quickest round-trip

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 10/1

1:33 pm-11:47 pm

1 stop8h 14m

Portland

Tue 10/6

7:00 am-12:25 pm

1 stop7h 25m

$372

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 10/19

1:15 pm-11:40 pm

1 stop8h 25m

Portland

Mon 10/26

7:00 am-12:25 pm

1 stop7h 25m

$381

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Sat 11/7

6:15 am-4:02 pm

1 stop7h 47m

Portland

Wed 11/11

3:27 pm-9:42 pm

1 stop8h 15m

$389

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Sat 11/7

6:15 am-9:15 pm

2 stops13h 00m

Portland

Wed 11/11

3:27 pm-9:42 pm

1 stop8h 15m

$394

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 10/19

7:10 am-9:55 pm

2 stops12h 45m

Portland

Mon 10/26

5:30 am-3:35 pm

2 stops12h 05m

$397

KalispellPortland

FCA - PWM

FCAPWM

Kalispell Glacier Park

Sat 11/7

6:09 pm-9:30 am

2 stops13h 21m

Portland

Wed 11/11

12:50 pm-11:07 pm

2 stops12h 17m

$399

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Thu 10/1

11:15 am-12:05 am

2 stops10h 50m

Portland

Tue 10/6

10:25 am-7:05 pm

2 stops10h 40m

$401

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Wed 9/30

12:55 pm-10:05 pm

1 stop7h 10m

Portland

Sun 10/4

5:50 am-3:35 pm

2 stops11h 45m

$402

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 13% 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 45m

Direct flights

None
The fastest flight from Montana to Portland, Maine takes 6h 45m
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
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,909 reviews
Search United Airlines flights
American AirlinesPriceFrom $350Free CancellationRating
7.1
11,766 reviews
Search American 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
Lewiston
Brunswick
Conway
Freeport
Bartlett
Auburn
Gorham
Windham
Intervale
Bath
Oxford
Falmouth
Georgetown
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.

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