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Missoula

$80+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Missoula Johnson-Bell Field are usually found in January or February, booked 25 days in advance, depart on a Tuesday or Thursday and return on a Thursday

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 December 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/319:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Sun 1/45:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 12/16$318
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/309:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Sat 1/35:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 12/15$348
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/319:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Mon 1/51:34 pmMSO - PDX
1 stop4h 01mAlaska Airlines
Deal found 12/16$368
This Delta deal was found by Cheapflights users on 12/16. 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 12/315:11 pmPDX - MSO
1 stop5h 11mDelta
Mon 1/55:00 amMSO - PDX
1 stop5h 01mDelta
Deal found 12/16$388
This Delta deal was found by Cheapflights users on 12/14. 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.
Mon 12/157:09 pmPDX - MSO
1 stop4h 27mDelta
Mon 1/261:25 pmMSO - PDX
2 stops8h 34mDelta
Deal found 12/14$458
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Sat 1/35:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 12/14$466
This Delta deal was found by Cheapflights users on 12/14. 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 12/245:11 pmPDX - MSO
1 stop5h 11mDelta
Sat 1/35:20 amMSO - PDX
1 stop4h 45mDelta
Deal found 12/14$467
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 12/199:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Mon 1/55:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 12/15$468

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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$137
(Alaska Airlines)

One-way from

$80
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$468

Good round-trip deal

$197 or less

Good one-way deal

$179 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
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One-way flight from Portland to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 7% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Portland to Missoula Johnson-Bell Field.
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Price to beat on a one-way flight from Portland to Missoula Johnson-Bell Field.
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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 December 16, 2025.
Use the filters below to find and compare flights from Portland to Missoula that are best for you.

Fly from

Portland

Fly to

Missoula

Route

Depart

Return

Price

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 1/28

5:35 pm-11:55 pm

1 stop5h 20m

Missoula Johnson-Bell Field

Sat 1/31

4:20 pm-8:47 pm

1 stop5h 27m

$156

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 1/14

5:00 pm-12:29 am

1 stop6h 29m

Missoula Johnson-Bell Field

Wed 1/21

5:00 am-9:09 am

1 stop5h 09m

$167

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 2/26

10:30 am-12:59 pm

Nonstop1h 29m

Missoula Johnson-Bell Field

Sat 2/28

1:01 pm-1:39 pm

Nonstop1h 38m

$167

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 1/28

7:10 am-5:38 pm

2 stops9h 28m

Missoula Johnson-Bell Field

Sat 1/31

1:25 pm-8:59 pm

2 stops8h 34m

$177

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 1/24

5:00 pm-11:34 pm

1 stop5h 34m

Missoula Johnson-Bell Field

Mon 1/26

1:25 pm-8:59 pm

2 stops8h 34m

$182

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 1/8

5:50 am-11:59 am

1 stop5h 09m

Missoula Johnson-Bell Field

Sun 1/11

5:00 am-9:03 am

1 stop5h 03m

$187

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 1/30

5:50 am-12:35 pm

1 stop5h 45m

Missoula Johnson-Bell Field

Sun 2/1

5:00 am-9:09 am

1 stop5h 09m

$187

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 3/10

10:30 am-12:59 pm

Nonstop1h 29m

Missoula Johnson-Bell Field

Sun 3/15

1:01 pm-1:39 pm

Nonstop1h 38m

$188

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 3/4

10:30 am-12:59 pm

Nonstop1h 29m

Missoula Johnson-Bell Field

Mon 3/9

6:23 am-10:46 am

1 stop5h 23m

$191

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 1/22

7:38 pm-11:55 pm

1 stop3h 17m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 18 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Missoula flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

How far ahead should I book a flight from Portland to Missoula?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Missoula. Price data was last updated on December 12, 2025.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Missoula. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Portland to Missoula (average of $141). Flying from Portland to Missoula in July is currently the most expensive (average of $237). 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 December 16, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 14% on flights from Portland to Missoula by exploring options for tickets at noon.

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 December 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines and Hawaiian 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
8.0
Very good
11,465 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,465 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 2 different airlines. 1h 20m 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 5h 20m. Your travel time can differ by up to 1h 09m. 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 are the cheapest airlines flying from Portland to Missoula round-trip?

    According to our current data, Hawaiian Airlines ($157), and Alaska Airlines ($157) offers the cheapest pricing from Portland to Missoula. These flights start at 50% lower than the current average price 3 months from now.

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

    Consider Alaska Airlines (91%), Horizon Air (91%) or Hawaiian Airlines (88%) 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 $435 for a flight from Portland to Missoula. The cheapest flight overall is $98 while the most popular route, (Portland - Missoula Johnson-Bell Field) is currently priced at $167.

  • 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, February is the cheapest month in which you can book a flight from Portland to Missoula (average of $141). Flying from Portland to Missoula in July is currently the most expensive (average of $237). 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

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Alternative routes for Portland to Missoula

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Portland to Missoula

Discover the top 2 airlines 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$160Average$303FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$167Average$267FlexibilityNo cancel feeOn-time85%

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