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$99+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
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 Wednesday

Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$147
(Alaska Airlines)

One-way from

$99
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$508

Good round-trip deal

$238 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. 13% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Portland to Missoula Johnson-Bell Field.
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Find 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 October 27, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/611:11 amPDX - MSO
Nonstop1h 23mAlaska Airlines
Thu 12/115:30 amMSO - PDX
Nonstop1h 46mAlaska Airlines
Deal found 10/26$147
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/189:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Fri 12/2612:29 pmMSO - PDX
Nonstop1h 55mAlaska Airlines
Deal found 10/26$157
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 12/85:49 pmPDX - MSO
1 stop17h 43mAlaska Airlines
Sat 12/135:30 amMSO - PDX
Nonstop1h 46mAlaska Airlines
Deal found 10/25$161
This Delta deal was found by Cheapflights users on 10/26. 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 12/65:25 pmPDX - MSO
1 stop5h 04mDelta
Thu 12/115:00 amMSO - PDX
1 stop5h 10mDelta
Deal found 10/26$167
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/911:11 amPDX - MSO
Nonstop1h 23mAlaska Airlines
Fri 12/125:30 amMSO - PDX
Nonstop1h 46mAlaska Airlines
Deal found 10/26$187
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 12/249:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Wed 12/315:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 10/26$188
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/189:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Wed 12/244:21 pmMSO - PDX
1 stop8h 51mAlaska Airlines
Deal found 10/26$190
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 12/259:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Wed 12/315:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 10/26$198

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 October 27, 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 12/3

9:30 pm-11:55 pm

Nonstop1h 25m

Missoula Johnson-Bell Field

Mon 12/8

5:30 am-6:16 am

Nonstop1h 46m

$147

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 12/18

9:48 pm-12:09 am

Nonstop1h 21m

Missoula Johnson-Bell Field

Fri 12/26

12:29 pm-1:24 pm

Nonstop1h 55m

$157

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 12/6

5:25 pm-11:29 pm

1 stop5h 04m

Missoula Johnson-Bell Field

Thu 12/11

5:00 am-9:10 am

1 stop5h 10m

$167

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 3/10

10:45 am-1:09 pm

Nonstop1h 24m

Missoula Johnson-Bell Field

Sun 3/15

1:20 pm-1:48 pm

Nonstop1h 28m

$188

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 12/9

1:34 pm-12:26 am

1 stop9h 52m

Missoula Johnson-Bell Field

Fri 12/12

4:22 pm-9:32 am

1 stop18h 10m

$194

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 2/6

9:30 pm-12:23 pm

1 stop13h 53m

Missoula Johnson-Bell Field

Mon 2/9

1:03 pm-1:42 pm

Nonstop1h 39m

$200

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 1/30

11:01 am-1:23 pm

Nonstop1h 22m

Missoula Johnson-Bell Field

Mon 2/2

4:20 pm-12:38 pm

1 stop21h 18m

$200

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 12/30

9:48 pm-12:09 am

Nonstop1h 21m

Missoula Johnson-Bell Field

Thu 1/1

1:34 pm-5:57 pm

1 stop5h 23m

$220

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Mon 12/29

9:48 pm-12:09 am

Nonstop1h 21m

$99

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sun 11/23

7:09 pm-9:16 am

1 stop13h 07m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 20 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 October.
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 October 24, 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 $146). 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 October 27, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 46% on flights from Portland to Missoula by exploring options for tickets in the evening.

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 October 27, 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
11,193 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,792 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 are 3 daily flights to Missoula from 2 different airlines. 1h 21m 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 25m. Your travel time can differ by up to 3h 39m. 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 ($167), and Alaska Airlines ($167) 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 British Airways (100%), Hawaiian Airlines (95%) or Alaska Airlines (94%) 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 $685 for a flight from Portland to Missoula. The cheapest flight overall is $154 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 $146). 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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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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$167Average$267FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$167Average$347FlexibilityNo cancel feeOn-time75%

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