What is the cheapest airline that flies from Portland to Montana?

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Portland to Montana

What airlines fly to Montana?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Montana from Portland according to our data. Alaska Airlines is the first choice among our users, with 76% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 4 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.

How many flights depart from Portland to Montana on average per day?

1 flights are operational daily from Portland to Montana as of May 2026. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.

How many flights depart from Portland to Montana on average per week?

The number of flights available between Portland and Montana is 8 per week as of May 2026. The most frequent departure day is Mon, with 50% of weekly flights leaving on this day.

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

Prices for flights from Portland Airport to Montana are refreshed on a daily basis.

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

As of May 2026, there are 4 operators available to choose from for flights from Portland Airport to Montana.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Montana.

What documentation or ID do you need to fly to Montana?

The necessary travel and health documents for your Montana 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.

$119 Cheap Flights from Portland to Montana in 2026

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Find the cheapest flights from Portland to Montana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:46 pm - 10:42 pm

PDX

BZN

3h 56m

1 stop

4:12 pm - 5:00 pm

BZN

PDX

1h 48mnonstop

$217Alaska Airlines

Tue, Jun 2 - Sat, Jun 6

5:46 pm - 10:42 pm

PDX

BZN

3h 56m

1 stop

1:57 pm - 4:50 pm

BZN

PDX

3h 53m

1 stop

$237Alaska Airlines

Sat, May 30 - Wed, Jun 3

5:46 pm - 11:58 pm

PDX

FCA

5h 12m

1 stop

4:14 pm - 4:49 pm

FCA

PDX

1h 35mnonstop

$237Alaska Airlines

Sat, May 30 - Mon, Jun 1

3:10 pm - 11:14 pm

PDX

BIL

7h 04m

1 stop

5:30 am - 8:52 am

BIL

PDX

4h 22m

1 stop

$247Delta

Tue, Jun 2 - Sat, Jun 6

5:51 pm - 11:19 pm

PDX

BZN

4h 28m

1 stop

12:13 pm - 4:19 pm

BZN

PDX

5h 06m

1 stop

$247Delta

Tue, Jun 2 - Tue, Jun 9

6:00 pm - 1:10 am

PDX

BZN

6h 10m

1 stop

7:15 pm - 12:30 am

BZN

PDX

6h 15m

1 stop

$256Southwest

Thu, Jun 4 - Thu, Jun 11

5:00 am - 1:20 pm

PDX

BZN

7h 20m

1 stop

4:20 pm - 9:10 pm

BZN

PDX

5h 50m

1 stop

$269United Airlines

Wed, Jun 3 - Sat, Jun 6

4:15 pm - 10:43 pm

PDX

COD

5h 28m

1 stop

5:55 pm - 10:58 pm

COD

PDX

6h 03m

1 stop

$328United Airlines

Sat, May 23 - Wed, May 27

11:15 am - 9:28 am

PDX

GTF

21h 13m

1 stop

9:05 pm - 2:19 pm

GTF

PDX

18h 14m

2 stops

$383Multiple Airlines

Thu, Jun 4 - Sun, Jun 7

8:42 pm - 9:28 am

PDX

GTF

11h 46m

1 stop

10:18 am - 4:35 pm

GTF

PDX

31h 17m

2 stops

$434Multiple Airlines

Thu, Jun 18 - Mon, Jun 22

Alaska Airlines flights from Portland to Montana

Our best Alaska Airlines deals on Portland to Montana flight tickets

Alaska Airlines

Jun 2

PDX5:46 pmPortland

3h 56m

1 stop

BZN10:42 pmBozeman Gallatin Field

Jun 6

BZN4:12 pmBozeman Gallatin Field

1h 48m

PDX5:00 pmPortland

$217

Alaska Airlines

May 30

PDX5:46 pmPortland

3h 56m

1 stop

BZN10:42 pmBozeman Gallatin Field

Jun 3

BZN1:57 pmBozeman Gallatin Field

3h 53m

1 stop

PDX4:50 pmPortland

$237

Alaska Airlines

Jun 3

PDX12:03 pmPortland

1h 51m

BIL2:54 pmBillings Logan Intl

Jun 6

BIL3:34 pmBillings Logan Intl

2h 04m

PDX4:38 pmPortland

$262

Allegiant Air flights from Portland to Montana

Our best Allegiant Air deals on Portland to Montana flight tickets

Allegiant Air

Jun 7

PDX7:17 pmPortland

12h 57m

1 stop

BZN9:14 amBozeman Gallatin Field

Jun 10

BZN8:20 pmBozeman Gallatin Field

23h 07m

1 stop

PDX6:27 pmPortland

$352

Allegiant Air

Jun 7

PDX7:17 pmPortland

12h 57m

1 stop

BZN9:14 amBozeman Gallatin Field

Jun 14

BZN4:47 pmBozeman Gallatin Field

27h 31m

2 stops

PDX7:18 pmPortland

$364

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Tue 6/2

5:46 pm-10:42 pm

1 stop3h 56m

Bozeman Gallatin Field

Sat 6/6

4:12 pm-5:00 pm

Nonstop1h 48m

$217

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Sat 5/30

5:46 pm-10:42 pm

1 stop3h 56m

Bozeman Gallatin Field

Wed 6/3

1:57 pm-4:50 pm

1 stop3h 53m

$237

PortlandKalispell

PDX - FCA

PDXFCA

Portland

Sat 5/30

5:46 pm-11:58 pm

1 stop5h 12m

Kalispell Glacier Park

Mon 6/1

4:14 pm-4:49 pm

Nonstop1h 35m

$237

PortlandBillings

PDX - BIL

PDXBIL

Portland

Tue 6/2

3:10 pm-11:14 pm

1 stop7h 04m

Billings Logan Intl

Sat 6/6

5:30 am-8:52 am

1 stop4h 22m

$247

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Tue 6/2

5:51 pm-11:19 pm

1 stop4h 28m

Bozeman Gallatin Field

Tue 6/9

12:13 pm-4:19 pm

1 stop5h 06m

$247

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Thu 6/4

6:00 pm-1:10 am

1 stop6h 10m

Bozeman Gallatin Field

Thu 6/11

7:15 pm-12:30 am

1 stop6h 15m

$256

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Wed 6/3

5:00 am-1:20 pm

1 stop7h 20m

Bozeman Gallatin Field

Sat 6/6

4:20 pm-9:10 pm

1 stop5h 50m

$269

PortlandCody

PDX - COD

PDXCOD

Portland

Sat 5/23

4:15 pm-10:43 pm

1 stop5h 28m

Cody E.E. Faust

Wed 5/27

5:55 pm-10:58 pm

1 stop6h 03m

$328

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Thu 6/4

11:15 am-9:28 am

1 stop21h 13m

Great Falls

Sun 6/7

9:05 pm-2:19 pm

2 stops18h 14m

$383

PortlandGreat Falls

PDX - GTF

PDXGTF

Portland

Thu 6/18

8:42 pm-9:28 am

1 stop11h 46m

Great Falls

Mon 6/22

10:18 am-4:35 pm

2 stops31h 17m

$434

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Montana

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

Prices

Airlines

Other information

What is the cheapest month to fly to Montana?

The cheapest month to fly to Montana from Portland is in September. Flight prices, which tend to average around $88, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Montana, with average flight prices from Portland averaging around $88.

What is the cheapest day to depart on your flight to Montana?

Our data shows that Wednesday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $217. The most expensive day to fly to Montana is Sunday, with ticket prices averaging around $367.

What is the cheapest time of day to depart on your flight to Montana?

The cheapest time of day to fly to Montana is in the evening when flights can be purchased for as low as $177. At noon is when there is more demand to fly to Montana, so prices are often more expensive at around $448 per ticket.

What is the cheapest Portland to Montana flight route?

Fly from Portland to Missoula Johnson-Bell Field for the best Portland - Montana flight prices

How far in advance should I book a flight from Portland to Montana?

You are more likely to see cheaper flights to Montana from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $294 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from Portland for as low as $137 on momondo.

Can stopping save me money on Portland to Montana flights?

You could potentially save up to 18% on your flight if you consider stops on a Portland to Montana flight.

Cheap Portland to Montana flight deals and tips

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

Best Price Found	$249
Fastest flight time	1h 24m
Direct flights	Every day
Airports in Montana	32 airports

The best one-way flight to Montana from Portland in the past 72 hours is $249. The best round-trip flight deal from Portland to Montana found on momondo in the last 72 hours is $216.

The fastest flight from Portland to Montana takes 1h 24m

Direct flights go from Portland to Montana every day.

There are 32 airports in Montana. From Portland there are direct flights to Kalispell Glacier Park (FCA), Bozeman Gallatin Field (BZN), Missoula Johnson-Bell Field (MSO).

Search flight deals

Frequently asked questions about flying from Portland to Montana

When did momondo last update prices for flights from Portland Airport to Montana?
Prices for flights from Portland Airport to Montana are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Montana?
As of May 2026, there are 4 operators available to choose from for flights from Portland Airport to Montana.
How old do you have to be to fly from Portland Airport to Montana?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Montana.
What documentation or ID do you need to fly to Montana?
The necessary travel and health documents for your Montana 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.
What is the most popular plane model from Portland to Montana?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland to Montana is Embraer 175 (91.18% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (2.94%), Airbus A321-100/200 (1.47%), and Boeing 737-700 (1.47%).

Best airlines flying from Portland to Montana

Compare and see reviews for airlines that fly from Portland to Montana with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $88	Free Cancellation	Rating 7.9 8,446 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $88	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $137	Free Cancellation	Rating 7.9 12,354 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $184	Free Cancellation	Rating 7.4 9,701 reviews	Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montana from Portland.

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

All flight searches from Portland to Montana on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and Montana 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 Portland to Montana right now. Can momondo alert me if prices change?

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

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Popular cities in Montana

Flights to New Yorkfrom $77

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Flights to Orlandofrom $63

Flights to Miamifrom $56

Flights to Chicagofrom $59

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $48

Flights to Washington, D.C.from $57

Flights to Bostonfrom $73

Flights to Atlantafrom $50

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $50

Cheap flights from Portland to Montana from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Montana departing on 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from Portland to Montana

Our best Alaska Airlines deals on Portland to Montana flight tickets

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How to get the cheapest flight ticket from Portland to Montana

What is the cheapest month to fly to Montana?

What is the cheapest day to depart on your flight to Montana?

What is the cheapest time of day to depart on your flight to Montana?

What is the cheapest Portland to Montana flight route?

How far in advance should I book a flight from Portland to Montana?

Can stopping save me money on Portland to Montana flights?

What is the cheapest airline that flies from Portland to Montana?

What airlines fly to Montana?

How many flights depart from Portland to Montana on average per day?

How many flights depart from Portland to Montana on average per week?

Cheap Portland to Montana flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Montana

Frequently asked questions about flying from Portland to Montana

Best airlines flying from Portland to Montana

Compare and see reviews for airlines that fly from Portland to Montana with momondo

Why use momondo?

An easier way to manage your Montana 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Montana

Popular cities in Montana

Popular flights according to clicks in the last 7 days on momondo

Portland flight routes

According to popular flight searches on momondo this year

Montana flight routes

According to popular flight searches on momondo this year

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