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Missoula

$114+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
May 9 — May 161
Sat 5/9
Sat 5/16
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 April 9, 2026.

This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:46 pm
PDX
-
MSO
1 stop5h 13m
Alaska Airlines
Tue 6/27:45 am
MSO
-
PDX
1 stop4h 46m
Alaska Airlines
Deal found 4/7$227
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 4/2910:45 am
PDX
-
MSO
Nonstop1h 34m
Alaska Airlines
Sat 5/21:08 pm
MSO
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 4/6$237
This Delta deal was found by Cheapflights users on 4/7. 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 4/287:05 pm
PDX
-
MSO
1 stop4h 11m
Delta
Sat 5/25:20 am
MSO
-
PDX
1 stop4h 36m
Delta
Deal found 4/7$247
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 5/510:45 am
PDX
-
MSO
Nonstop1h 34m
Alaska Airlines
Sat 5/91:08 pm
MSO
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 4/8$253
This Delta deal was found by Cheapflights users on 4/7. 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 6/57:00 pm
PDX
-
MSO
1 stop4h 22m
Delta
Tue 6/95:31 am
MSO
-
PDX
1 stop4h 06m
Delta
Deal found 4/7$257
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 4/2810:45 am
PDX
-
MSO
Nonstop1h 34m
Alaska Airlines
Sat 5/21:08 pm
MSO
-
PDX
Nonstop1h 36m
Alaska Airlines
Deal found 4/4$268
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:46 pm
PDX
-
MSO
1 stop5h 13m
Alaska Airlines
Tue 6/912:56 pm
MSO
-
PDX
Nonstop1h 30m
Alaska Airlines
Deal found 4/7$277
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 5/510:45 am
PDX
-
MSO
Nonstop1h 34m
Alaska Airlines
Wed 5/63:55 pm
MSO
-
PDX
1 stop4h 39m
Alaska Airlines
Deal found 4/8$283
This Delta deal was found by Cheapflights users on 4/6. 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 6/57:00 pm
PDX
-
MSO
1 stop4h 22m
Delta
Mon 6/86:29 pm
MSO
-
PDX
1 stop6h 17m
Delta
Deal found 4/6$288
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 5/510:45 am
PDX
-
MSO
Nonstop1h 34m
Alaska Airlines
Fri 5/83:55 pm
MSO
-
PDX
1 stop4h 39m
Alaska Airlines
Deal found 4/8$293

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 April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Expedia)

One-way from

$114
(Delta)

Popular in

October

Cheapest in

August

Average price

$358

Good round-trip deal

$331 or less

Good one-way deal

$289 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.
Search Deals
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. 5% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 9, 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
Quickest round-trip

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 4/29

10:45 am-1:19 pm

Nonstop1h 34m

Missoula Johnson-Bell Field

Sat 5/2

1:08 pm-1:44 pm

Nonstop1h 36m

$237

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 4/28

7:05 am-5:38 pm

2 stops9h 33m

Missoula Johnson-Bell Field

Sat 5/2

6:18 pm-10:45 pm

1 stop5h 27m

$293

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 5/23

5:01 pm-11:16 pm

1 stop5h 15m

Missoula Johnson-Bell Field

Mon 5/25

5:30 am-8:52 am

1 stop4h 22m

$313

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 5/6

10:45 am-1:19 pm

Nonstop1h 34m

Missoula Johnson-Bell Field

Sat 5/9

1:08 pm-1:44 pm

Nonstop1h 36m

$323

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 4/25

10:45 am-1:19 pm

Nonstop1h 34m

Missoula Johnson-Bell Field

Mon 4/27

1:08 pm-1:44 pm

Nonstop1h 36m

$348

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 4/28

10:45 am-1:19 pm

Nonstop1h 34m

Missoula Johnson-Bell Field

Sat 5/2

1:08 pm-1:44 pm

Nonstop1h 36m

$387
Cheapest one-way

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 5/23

8:35 am-9:34 pm

2 stops11h 59m

$204

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 4/22

5:45 am-12:41 pm

1 stop5h 56m

$219

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 4/23

7:05 pm-12:16 am

1 stop4h 11m

$229
Quickest one-way

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 7/7

2:30 pm-5:01 pm

Nonstop1h 31m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 15 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 April.
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, 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 April 9, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 42% on flights from Portland to Missoula by exploring options for tickets in the evening.

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 April 9, 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
7.9
Good
12,193 reviews

Boarding

8.1

Food

7.0

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,193 reviews
Alaska Airlines
7.9
Good
12,193 reviews

Boarding

8.1

Food

7.0

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,838 reviews
Alaska Airlines
7.9
Good
12,193 reviews

Boarding

8.1

Food

7.0

Crew

8.5

Entertainment

7.0

Comfort

7.8

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 31m 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 34m. Your travel time can differ by up to 7h 59m. 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 Horizon Air (98%), Hawaiian Airlines (90%) or Alaska Airlines (82%) 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 $507 for a flight from Portland to Missoula. The cheapest flight overall is $207 while the most popular route, (Portland - Missoula Johnson-Bell Field) is currently priced at $247.

  • 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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$167Average$267FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$167Average$319FlexibilityNo cancel feeOn-time75%

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