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Missoula

$129+ Cheap flights from Portland to Missoula (PDX - MSO)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
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Cheap flight deals from Portland to Missoula

Cheapest flights from Portland to Missoula
Explore the most affordable flight options available from Portland to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Sat 11/1410:48 am
PDX
-
MSO
Nonstop1h 27m
Alaska Airlines
Wed 11/1812:55 pm
MSO
-
PDX
Nonstop1h 37m
Alaska Airlines
Deal found 7/14$247
This CheapOair deal was found by Cheapflights users on 7/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:48 am
PDX
-
MSO
Nonstop1h 37m
Alaska Airlines
Tue 9/291:19 pm
MSO
-
PDX
Nonstop1h 31m
Alaska Airlines
Deal found 7/13$252
This Delta deal was found by Cheapflights users on 7/14. 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 9/165:10 pm
PDX
-
MSO
1 stop6h 08m
Delta
Tue 9/225:30 am
MSO
-
PDX
1 stop4h 11m
Delta
Deal found 7/14$257
This Delta deal was found by Cheapflights users on 7/17. 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.
Thu 9/105:10 pm
PDX
-
MSO
1 stop6h 08m
Delta
Sat 9/126:17 pm
MSO
-
PDX
1 stop5h 16m
Delta
Deal found 7/17$262
This Booking.com deal was found by Cheapflights users on 7/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:48 am
PDX
-
MSO
Nonstop1h 38m
Alaska Airlines
Mon 10/267:00 am
MSO
-
PDX
1 stop3h 47m
Alaska Airlines
Deal found 7/17$269
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:47 pm
PDX
-
MSO
1 stop6h 15m
Multiple Airlines
Sun 8/309:52 pm
MSO
-
PDX
1 stop20h 29m
Multiple Airlines
Deal found 7/17$270
This Delta deal was found by Cheapflights users on 7/13. 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.
Thu 9/177:15 pm
PDX
-
MSO
1 stop4h 03m
Delta
Sun 9/205:30 am
MSO
-
PDX
1 stop4h 11m
Delta
Deal found 7/13$277
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Sat 10/1710:48 am
PDX
-
MSO
Nonstop1h 38m
Alaska Airlines
Tue 10/201:06 pm
MSO
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 7/14$278
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Sat 10/1710:48 am
PDX
-
MSO
Nonstop1h 38m
Alaska Airlines
Thu 10/221:06 pm
MSO
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 7/14$283

Find flight deals from Portland to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Alaska Airlines)

One-way from

$129
(Delta)

Popular in

October

Cheapest in

April

Average price

$558

Good round-trip deal

$343 or less

Good one-way deal

$309 or less
Provider with most accurate pricing for Portland-Missoula Johnson-Bell Field flight deals.
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Provider most trusted by Cheapflights users for Portland-Missoula Johnson-Bell Field flights.
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From Portland to Missoula Johnson-Bell Field
Search Deals
One-way flight from Portland to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Portland to Missoula Johnson-Bell Field.
Search Deals
Price to beat on a one-way flight from Portland to Missoula Johnson-Bell Field.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Missoula 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 July 18, 2026.
Use the filters below to find and compare flights from Portland to Missoula that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 11/14

10:48 am-1:15 pm

Nonstop1h 27m

Missoula Johnson-Bell Field

Wed 11/18

12:55 pm-1:32 pm

Nonstop1h 37m

$247

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 9/16

5:10 pm-12:18 am

1 stop6h 08m

Missoula Johnson-Bell Field

Tue 9/22

5:30 am-8:41 am

1 stop4h 11m

$257

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 9/19

5:10 pm-11:13 pm

1 stop5h 03m

Missoula Johnson-Bell Field

Sun 9/20

5:30 am-8:41 am

1 stop4h 11m

$262

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 9/16

10:48 am-1:25 pm

Nonstop1h 37m

Missoula Johnson-Bell Field

Tue 9/22

7:00 am-9:40 am

1 stop3h 40m

$288
Quickest round-trip

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 12/9

11:10 am-1:36 pm

Nonstop1h 26m

Missoula Johnson-Bell Field

Sun 12/13

1:15 pm-1:50 pm

Nonstop1h 35m

$308

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sun 11/15

7:05 am-12:08 pm

1 stop4h 03m

Missoula Johnson-Bell Field

Wed 11/18

7:00 am-8:50 pm

2 stops14h 50m

$331

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 12/12

11:10 am-1:36 pm

Nonstop1h 26m

Missoula Johnson-Bell Field

Wed 12/16

6:40 am-8:48 pm

2 stops15h 08m

$351
Cheapest one-way
Quickest one-way

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 8/25

10:30 am-3:17 pm

1 stop3h 47m

$134

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 8/28

7:00 pm-12:18 am

1 stop4h 18m

$134

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 8/21

7:00 pm-12:18 am

1 stop4h 18m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Portland to Missoula

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Missoula in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Missoula flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Missoula flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula 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 Missoula

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

Currently, April is the cheapest month in which you can book a flight from Portland to Missoula (average of $237). Flying from Portland to Missoula in October is currently the most expensive (average of $568). 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 MSO?

Find hourly flight availability from Portland to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 18, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Missoula as you normally would.

How much does it cost to fly round-trip from Portland to Missoula?

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated July 18, 2026.
Get a feel of what it's like to fly with Alaska Airlines from Portland to Missoula by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,672 reviews

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Alaska Airlines
7.9
Good
12,672 reviews
Alaska Airlines
7.9
Good
12,672 reviews

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

Related info for your journey

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

  • What airports do I use to fly from Portland to Missoula?

    Missoula Johnson-Bell Field is the airport most travelers will use when flying to Missoula from Portland. Booking flights from Portland (PDX) to Johnson-Bell Field (MSO) should be relatively easy as there is 1 daily flight to Missoula from 1 airline. 1h 27m is how long a flight from Portland to Missoula Johnson-Bell Field will take if you book a nonstop flight.

  • How long is the flight from Portland to Missoula?

    Alaska Airlines and Delta can get you from Portland to Missoula in just under 1h 27m. Your travel time can differ by up to 4h 41m. The distance from Portland to Missoula is about 416 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Portland to Missoula round-trip?

    According to our current data, Alaska Airlines ($167), offers the cheapest pricing from Portland to Missoula. This flight start at 53% lower than the current average price 3 months from now.

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

    Consider Horizon Air (96%), Alaska Airlines (91%) or SkyWest Airlines (81%) when booking your flight. These represent the most reliable airlines when flying from Portland to Missoula.

  • What are the cheapest flights from Portland to Missoula?

    On average you can expect to pay $578 for a flight from Portland to Missoula. The cheapest flight overall is $216 while the most popular route, (Portland - Missoula Johnson-Bell Field) is currently priced at $257.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Missoula 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 Missoula?

    Currently, April is the cheapest month in which you can book a flight from Portland to Missoula (average of $237). Flying from Portland to Missoula in October is currently the most expensive (average of $568). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Portland to Missoula

Discover the top airline that operate flights from Portland to Missoula. 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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$167Average$362FlexibilityNo cancel feeOn-time75%

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