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Missoula

$137+ Cheap flights from Portland to Missoula (PDX - MSO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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1. Tell us where you want to go

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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 Friday 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 22, 2025.

This Delta deal was found by Cheapflights users on 12/22. 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 12/22$418
This Alaska Airlines deal was found by Cheapflights users on 12/22. 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 1/55:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 12/22$438
This Delta deal was found by Cheapflights users on 12/20. 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.
Sun 12/217:10 pmPDX - MSO
1 stop4h 23mDelta
Sun 12/285:20 amMSO - PDX
1 stop4h 48mDelta
Deal found 12/20$597
This Alaska Airlines deal was found by Cheapflights users on 12/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:48 pmPDX - MSO
Nonstop1h 21mAlaska Airlines
Sat 12/276:00 amMSO - PDX
1 stop5h 53mAlaska Airlines
Deal found 12/20$708
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:30 pmPDX - MSO
1 stop5h 12mAlaska Airlines
Sun 12/285:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 12/20$762
This Delta deal was found by Cheapflights users on 12/20. 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.
Tue 12/2312:29 pmPDX - MSO
2 stops11h 04mDelta
Sat 12/275:20 amMSO - PDX
1 stop4h 45mDelta
Deal found 12/20$764
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:19 pmPDX - MSO
1 stop21h 02mMultiple Airlines
Sun 12/288:00 pmMSO - PDX
2 stops42h 24mMultiple Airlines
Deal found 12/20$927

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 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$137
(Alaska Airlines)

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.
Search Deals
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
Highest demand for flights based on searches. 8% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
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
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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 22, 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

Sat 1/17

11:01 am-1:23 pm

Nonstop1h 22m

Missoula Johnson-Bell Field

Sat 1/24

1:03 pm-1:42 pm

Nonstop1h 39m

$137

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 1/17

5:50 am-11:59 am

1 stop5h 09m

Missoula Johnson-Bell Field

Sat 1/24

1:25 pm-8:59 pm

2 stops8h 34m

$152

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 3/4

10:30 am-12:59 pm

Nonstop1h 29m

Missoula Johnson-Bell Field

Sat 3/7

6:23 am-10:46 am

1 stop5h 23m

$167

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 1/20

5:00 pm-12:28 am

1 stop6h 28m

Missoula Johnson-Bell Field

Tue 1/27

6:18 pm-11:55 pm

1 stop6h 37m

$167

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 1/29

5:50 am-12:35 pm

1 stop5h 45m

Missoula Johnson-Bell Field

Mon 2/2

1:25 pm-8:59 pm

2 stops8h 34m

$172

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 3/4

5:45 am-12:26 pm

1 stop5h 41m

Missoula Johnson-Bell Field

Mon 3/9

6:04 pm-11:54 pm

1 stop6h 50m

$177

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 1/9

11:01 am-1:23 pm

Nonstop1h 22m

$139

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 1/9

10:40 am-6:33 pm

2 stops54h 53m

$228

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 1/9

10:29 am-11:55 pm

3 stops36h 26m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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 19, 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 $143). 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 22, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 16% 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 22, 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
11,505 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,505 reviews
Alaska Airlines
8.0
Very good
11,505 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,505 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 4 daily flights to Missoula from 2 different airlines. 1h 19m 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 22m. Your travel time can differ by up to 3h 47m. 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 $143). 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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$160Average$301FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$167Average$267FlexibilityNo cancel feeOn-time85%

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