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Cheap flights from Montana to Portland from $154

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 4/13. 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

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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
12:35 pm - 11:59 pm
BZN
-
PWM
9h 24m
2 stops
United Airlines Logo
6:00 am - 11:26 am
PWM
-
BZN
7h 26m
1 stop
$359United Airlines
Sat, May 2 - Tue, May 12
United Airlines Logo
12:34 pm - 9:51 pm
MSO
-
PWM
7h 17m
1 stop
United Airlines Logo
6:00 am - 11:32 am
PWM
-
MSO
7h 32m
1 stop
$389United Airlines
Sun, May 24 - Sun, May 31
United Airlines Logo
7:15 am - 11:51 pm
MSO
-
PWM
14h 36m
2 stops
United Airlines Logo
6:00 am - 11:32 am
PWM
-
MSO
7h 32m
1 stop
$394United Airlines
Sun, May 24 - Sun, May 31
United Airlines Logo
6:30 am - 3:41 pm
BZN
-
PWM
7h 11m
1 stop
United Airlines Logo
6:00 am - 11:26 am
PWM
-
BZN
7h 26m
1 stop
$398United Airlines
Mon, May 4 - Tue, May 12
United Airlines Logo
6:30 am - 3:41 pm
BZN
-
PWM
7h 11m
1 stop
United Airlines Logo
6:00 am - 11:26 am
PWM
-
BZN
7h 26m
1 stop
$400United Airlines
Mon, May 4 - Tue, May 12
American Airlines Logo
6:38 am - 6:31 pm
BZN
-
PWM
9h 53m
1 stop
American Airlines Logo
8:00 am - 3:20 pm
PWM
-
BZN
9h 20m
1 stop
$407American Airlines
Sun, Sep 6 - Mon, Sep 14
American Airlines Logo
6:38 am - 6:31 pm
BZN
-
PWM
9h 53m
1 stop
American Airlines Logo
6:00 am - 2:01 pm
PWM
-
BZN
10h 01m
2 stops
$460American Airlines
Sun, Sep 6 - Mon, Sep 14
American Airlines Logo
12:44 pm - 12:35 am
BIL
-
PWM
9h 51m
1 stop
American Airlines Logo
3:30 pm - 10:59 pm
PWM
-
BIL
9h 29m
1 stop
$501American Airlines
Wed, Jun 10 - Wed, Aug 19
Delta Logo
7:00 am - 11:14 pm
HLN
-
PWM
14h 14m
2 stops
Delta Logo
2:51 pm - 10:40 pm
PWM
-
HLN
9h 49m
2 stops
$2,499Delta
Sat, Jul 25 - Sat, Aug 8
Delta Logo
7:00 am - 11:14 pm
HLN
-
PWM
14h 14m
2 stops
Delta Logo
12:42 pm - 10:40 pm
PWM
-
HLN
11h 58m
2 stops
$3,393Delta
Sat, Jul 25 - Sat, Aug 8

American Airlines flights from Montana to Portland, Maine

Our best American Airlines deals on Montana to Portland, Maine flight tickets
American Airlines
Sep 6
BZN6:38 amBozeman Gallatin Field
9h 53m
1 stop
PWM6:31 pmPortland
Sep 14
PWM8:00 amPortland
9h 20m
1 stop
BZN3:20 pmBozeman Gallatin Field
$407
American Airlines
Sep 6
BZN6:38 amBozeman Gallatin Field
9h 53m
1 stop
PWM6:31 pmPortland
Sep 14
PWM6:00 amPortland
10h 01m
2 stops
BZN2:01 pmBozeman Gallatin Field
$460
American Airlines
Jun 10
BIL12:44 pmBillings Logan Intl
9h 51m
1 stop
PWM12:35 amPortland
Aug 19
PWM3:30 pmPortland
9h 29m
1 stop
BIL10:59 pmBillings Logan Intl
$501

United Airlines flights from Montana to Portland, Maine

Our best United Airlines deals on Montana to Portland, Maine flight tickets
United Airlines
May 2
BZN12:35 pmBozeman Gallatin Field
9h 24m
2 stops
PWM11:59 pmPortland
May 12
PWM6:00 amPortland
7h 26m
1 stop
BZN11:26 amBozeman Gallatin Field
$359
United Airlines
May 24
MSO12:34 pmMissoula Johnson-Bell Field
7h 17m
1 stop
PWM9:51 pmPortland
May 31
PWM6:00 amPortland
7h 32m
1 stop
MSO11:32 amMissoula Johnson-Bell Field
$389
United Airlines
May 24
MSO7:15 amMissoula Johnson-Bell Field
14h 36m
2 stops
PWM11:51 pmPortland
May 31
PWM6:00 amPortland
7h 32m
1 stop
MSO11:32 amMissoula Johnson-Bell Field
$394

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 March 27, 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

Sat 5/2

12:35 pm-11:59 pm

2 stops9h 24m

Portland

Tue 5/12

6:00 am-11:26 am

1 stop7h 26m

$359

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sun 5/24

12:34 pm-9:51 pm

1 stop7h 17m

Portland

Sun 5/31

6:00 am-11:32 am

1 stop7h 32m

$389

MissoulaPortland

MSO - PWM

MSOPWM

Missoula Johnson-Bell Field

Sun 5/24

7:15 am-11:51 pm

2 stops14h 36m

Portland

Sun 5/31

6:00 am-11:32 am

1 stop7h 32m

$394
Quickest round-trip

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 5/4

6:30 am-3:41 pm

1 stop7h 11m

Portland

Tue 5/12

6:00 am-11:26 am

1 stop7h 26m

$398

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Mon 5/4

6:30 am-3:41 pm

1 stop7h 11m

Portland

Tue 5/12

6:00 am-11:26 am

1 stop7h 26m

$400

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sun 9/6

6:38 am-6:31 pm

1 stop9h 53m

Portland

Mon 9/14

8:00 am-3:20 pm

1 stop9h 20m

$407

BozemanPortland

BZN - PWM

BZNPWM

Bozeman Gallatin Field

Sun 9/6

6:38 am-6:31 pm

1 stop9h 53m

Portland

Mon 9/14

6:00 am-2:01 pm

2 stops10h 01m

$460

BillingsPortland

BIL - PWM

BILPWM

Billings Logan Intl

Wed 6/10

12:44 pm-12:35 am

1 stop9h 51m

Portland

Wed 8/19

3:30 pm-10:59 pm

1 stop9h 29m

$501

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 7/25

7:00 am-11:14 pm

2 stops14h 14m

Portland

Sat 8/8

2:51 pm-10:40 pm

2 stops9h 49m

$2,499

HelenaPortland

HLN - PWM

HLNPWM

Helena

Sat 7/25

7:00 am-11:14 pm

2 stops14h 14m

Portland

Sat 8/8

12:42 pm-10:40 pm

2 stops11h 58m

$3,393

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

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

You could potentially save up to 3% 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 20m

Direct flights

None
The fastest flight from Montana to Portland, Maine takes 6h 20m
There are no direct flights from Montana to Portland, Maine. There are no popular flight routes from Montana to Portland, Maine.
Search flight deals

  • 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
8,340 reviews
Search Delta flights
American AirlinesPriceFrom $302Free CancellationRating
7.1
11,503 reviews
Search American Airlines flights
United AirlinesPriceFrom $372Free CancellationRating
7.4
9,491 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
Oxford
Bath
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.

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