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Montana

$94+ Cheap flights from Portland (PDX) to Montana

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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BZN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Portland to Montana

Cheapest flights from Portland to Montana
Explore the most affordable flight options available from Portland to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1110:32 am
PDX
-
BZN
Nonstop1h 34m
Alaska Airlines
Sat 2/141:48 pm
BZN
-
PDX
Nonstop1h 59m
Alaska Airlines
Deal found 1/21$157
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:45 am
PDX
-
BZN
1 stop4h 03m
Delta
Tue 3/173:19 pm
BZN
-
PDX
1 stop4h 46m
Delta
Deal found 1/21$167
This Southwest deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:05 am
PDX
-
BZN
1 stop9h 00m
Southwest
Thu 3/57:10 pm
BZN
-
PDX
1 stop6h 45m
Southwest
Deal found 1/21$172
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:02 pm
PDX
-
BZN
1 stop5h 08m
Delta
Sun 3/225:20 am
BZN
-
PDX
1 stop4h 31m
Delta
Deal found 1/21$177
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:45 am
PDX
-
GTF
1 stop5h 45m
Delta
Wed 2/251:15 pm
GTF
-
PDX
1 stop6h 01m
Delta
Deal found 1/21$186
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:25 pm
PDX
-
BIL
1 stop4h 01m
Delta
Wed 2/185:10 am
BIL
-
PDX
1 stop5h 05m
Delta
Deal found 1/20$187
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:45 am
PDX
-
BZN
1 stop4h 03m
Delta
Sun 3/225:20 am
BZN
-
PDX
1 stop4h 31m
Delta
Deal found 1/21$187
This Travelocity deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:45 am
PDX
-
FCA
Nonstop1h 27m
Alaska Airlines
Tue 4/712:52 pm
FCA
-
PDX
Nonstop1h 37m
Alaska Airlines
Deal found 1/20$187
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:30 am
PDX
-
BZN
1 stop5h 58m
United Airlines
Tue 3/174:30 pm
BZN
-
PDX
1 stop5h 40m
United Airlines
Deal found 1/20$191
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:45 am
PDX
-
MSO
1 stop5h 41m
Delta
Sun 2/225:15 am
MSO
-
PDX
1 stop5h 00m
Delta
Deal found 1/20$197
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:50 am
PDX
-
HLN
1 stop5h 37m
Delta
Tue 2/175:30 am
HLN
-
PDX
1 stop4h 45m
Delta
Deal found 1/21$197
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:02 pm
PDX
-
BIL
1 stop4h 27m
Delta
Sun 4/125:15 am
BIL
-
PDX
1 stop4h 36m
Delta
Deal found 1/21$197

Find flight deals from Portland to Montana

Keep the following information in mind while searching for Portland to Montana flight deals. Data was last updated January 21, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$157
(Alaska Airlines)

One-way from

$94
(Delta)

Popular in

June

Cheapest in

January

Average price

$147

Good round-trip deal

$190 or less

Good one-way deal

$88 or less
Provider with most accurate pricing for Portland-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Bozeman Gallatin Field flights.
Search Deals
From Portland to Montana
Search Deals
One-way flight from Portland to Montana
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Portland to Montana.
Search Deals
Price to beat on a one-way flight from Portland to Montana.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Montana 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Portland to Montana that are best for you.

Fly from

Portland

Fly to

Montana

Route

Depart

Return

Price

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Tue 3/10

10:30 am-1:08 pm

Nonstop1h 38m

Bozeman Gallatin Field

Tue 3/17

4:02 pm-4:58 pm

Nonstop1h 56m

$157

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Sat 2/21

5:25 pm-11:15 pm

1 stop4h 50m

Bozeman Gallatin Field

Tue 2/24

5:30 am-9:15 am

1 stop4h 45m

$167

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Tue 2/10

5:08 pm-11:17 pm

1 stop5h 09m

Bozeman Gallatin Field

Tue 2/17

5:30 am-9:15 am

1 stop4h 45m

$167

PortlandBozeman

PDX - BZN

PDXBZN

Portland

Mon 3/16

5:36 pm-10:46 pm

1 stop4h 10m

Bozeman Gallatin Field

Tue 3/24

3:19 pm-8:59 pm

1 stop6h 40m

$177

PortlandBillings

PDX - BIL

PDXBIL

Portland

Sat 2/14

10:30 am-1:24 pm

Nonstop1h 54m

Billings Logan Intl

Wed 2/18

3:32 pm-4:44 pm

Nonstop2h 12m

$187

PortlandBillings

PDX - BIL

PDXBIL

Portland

Sat 4/4

10:30 am-1:25 pm

Nonstop1h 55m

Billings Logan Intl

Sun 4/12

12:34 pm-1:41 pm

Nonstop2h 07m

$187

PortlandBillings

PDX - BIL

PDXBIL

Portland

Sat 2/14

5:25 pm-10:26 pm

1 stop4h 01m

Billings Logan Intl

Wed 2/18

5:10 am-9:15 am

1 stop5h 05m

$187

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 3/12

10:30 am-12:59 pm

Nonstop1h 29m

Missoula Johnson-Bell Field

Thu 3/19

1:11 pm-1:50 pm

Nonstop1h 39m

$197

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 3/4

5:45 am-12:26 pm

1 stop5h 41m

Missoula Johnson-Bell Field

Mon 3/9

5:20 am-9:04 am

1 stop4h 44m

$197

PortlandHelena

PDX - HLN

PDXHLN

Portland

Tue 2/10

5:50 am-12:27 pm

1 stop5h 37m

Helena

Tue 2/17

5:30 am-9:15 am

1 stop4h 45m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 54 results
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Best time to book a flight from Portland to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Portland with our price prediction graph.
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 Portland to Montana

What is the cheapest month to book a flight from Portland to Montana?

Currently, September is the cheapest month in which you can book a flight from Portland to Montana (average of $88). Flying from Portland to Montana in July is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Portland to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2026.

A simple way to save on the total cost of your ticket is to fly from Portland to Montana in the evening. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Portland to Montana?

Use this chart to determine the cheapest time to fly round-trip from Portland to Montana. Price data was last updated on January 17, 2026.

Travelers seeking maximum savings on their Portland to Montana flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portland to Montana

Explore weekly flight availability from Portland to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2026.

The most flights from PDX to USMT are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated January 21, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian Airlines from Portland to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,088 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,191 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Portland to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly from Portland (PDX) if they book a flight from Portland to Montana. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to Montana?

    Alaska Airlines, Delta, and United Airlines can get you from Portland to Montana in just under 1h 38m. Your travel time can differ by up to 5h 40m. There are 552 mi between Portland and Montana. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Portland to Montana one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $68. Users have also found prices from $83 and $88 on Delta and Alaska Airlines, respectively.

  • What are the most popular routes from Portland to Montana?

    While some choose either Portland - Missoula Johnson-Bell Field or Portland - Billings Logan Intl, Portland - Bozeman Gallatin Field is the most popular route from Portland to Montana.

  • What are the most reliable airlines from Portland to Montana?

    Consider British Airways (100%), SkyWest Airlines (92%) or Alaska Airlines (89%) when booking your flight. These represent the most reliable airlines when flying from Portland to Montana.

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

    Yes. In addition to deals on Portland to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Montana.

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

    Yes. Cheapflights offers flight deals from Portland to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Montana?

    Currently, September is the cheapest month in which you can book a flight from Portland to Montana (average of $88). Flying from Portland to Montana in July is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Portland to Montana

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Top 4 airlines flying from Portland to Montana

Discover the top 4 airlines that operate flights from Portland to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$88Average$343FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$88Average$280FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$137Average$375FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$184Average$386FlexibilityNo cancel feeOn-time69%

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