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Missoula

$150+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 August or September, booked 50 days in advance, depart on a Wednesday or Tuesday 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 March 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 4/281:52 pm
PDX
-
MSO
1 stop21h 36m
Alaska Airlines
Sat 5/21:08 pm
MSO
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 3/8$201
This Delta deal was found by Cheapflights users on 3/8. 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 4/259:55 am
PDX
-
MSO
1 stop6h 43m
Delta
Wed 4/295:20 am
MSO
-
PDX
1 stop4h 36m
Delta
Deal found 3/8$207
This Delta deal was found by Cheapflights users on 3/5. 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 4/187:05 am
PDX
-
MSO
2 stops9h 33m
Delta
Tue 4/211:40 pm
MSO
-
PDX
2 stops8h 52m
Delta
Deal found 3/5$217
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 4/2710:45 am
PDX
-
MSO
Nonstop1h 34m
Alaska Airlines
Sat 5/21:08 pm
MSO
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 3/9$218
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 4/2510:45 am
PDX
-
MSO
Nonstop1h 34m
Alaska Airlines
Wed 4/291:59 pm
MSO
-
PDX
1 stop6h 35m
Alaska Airlines
Deal found 3/8$231
This Delta deal was found by Cheapflights users on 3/5. 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.
Fri 4/177:05 pm
PDX
-
MSO
1 stop4h 11m
Delta
Tue 4/211:40 pm
MSO
-
PDX
1 stop5h 28m
Delta
Deal found 3/5$238
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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 4/61:35 pm
PDX
-
MSO
1 stop9h 22m
Alaska Airlines
Mon 4/131:11 pm
MSO
-
PDX
Nonstop1h 39m
Alaska Airlines
Deal found 3/10$240

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$201
(Alaska Airlines)

One-way from

$150
(Alaska Airlines)

Popular in

October

Cheapest in

August

Average price

$395

Good round-trip deal

$287 or less

Good one-way deal

$139 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
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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.
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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 March 10, 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

Tue 4/28

1:52 pm-12:28 pm

1 stop21h 36m

Missoula Johnson-Bell Field

Sat 5/2

1:08 pm-1:44 pm

Nonstop1h 36m

$201

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 4/18

5:45 pm-11:11 pm

1 stop4h 26m

Missoula Johnson-Bell Field

Tue 4/21

1:40 pm-6:08 pm

1 stop5h 28m

$207

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 4/25

7:05 am-5:38 pm

2 stops9h 33m

Missoula Johnson-Bell Field

Wed 4/29

5:20 am-8:56 am

1 stop4h 36m

$212

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Mon 4/6

3:42 pm-11:57 pm

1 stop7h 15m

Missoula Johnson-Bell Field

Mon 4/13

1:11 pm-1:50 pm

Nonstop1h 39m

$270

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 4/7

1:55 pm-12:24 am

2 stops9h 29m

Missoula Johnson-Bell Field

Tue 4/14

5:20 am-8:56 am

1 stop4h 36m

$288

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 4/30

1:52 pm-11:50 pm

1 stop8h 58m

Missoula Johnson-Bell Field

Mon 5/4

3:55 pm-9:31 am

1 stop18h 36m

$295

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 5/1

7:05 pm-12:16 am

1 stop4h 11m

Missoula Johnson-Bell Field

Sun 5/3

5:20 am-8:56 am

1 stop4h 36m

$317

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 6/5

5:46 pm-11:59 pm

1 stop5h 13m

Missoula Johnson-Bell Field

Mon 6/8

8:02 pm-11:04 pm

1 stop4h 02m

$319
Quickest round-trip

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 4/17

10:38 am-1:13 pm

Nonstop1h 35m

Missoula Johnson-Bell Field

Thu 4/23

1:08 pm-1:44 pm

Nonstop1h 36m

$329
Cheapest one-way
Quickest one-way

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 8/15

2:30 pm-5:01 pm

Nonstop1h 31m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 17 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 March.
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

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 March 6, 2026.

Booking 49 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, September 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 March 10, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 51% 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 March 10, 2026.
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
12,014 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
8.0
Very good
12,014 reviews
Alaska Airlines
8.0
Very good
12,014 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Hawaiian Airlines
7.8
Good
2,837 reviews
Alaska Airlines
8.0
Very good
12,014 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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 2 daily flights to Missoula from 2 different airlines. 1h 29m 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 4h 26m. Your travel time can differ by up to 17h 10m. 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 48% lower than the current average price 3 months from now.

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

    Consider Alaska Airlines (89%), Horizon Air (89%) or Hawaiian Airlines (89%) 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 $458 for a flight from Portland to Missoula. The cheapest flight overall is $134 while the most popular route, (Portland - Missoula Johnson-Bell Field) is currently priced at $207.

  • 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, September 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$167Average$268FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$167Average$308FlexibilityNo cancel feeOn-time75%

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