HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missoula

$89+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
dic. 20 — dic. 271
sáb. 12/20
sáb. 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Missoula with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 noviembre 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$137
(Alaska Airlines)

One-way from

$89
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$423

Good round-trip deal

$207 or less

Good one-way deal

$139 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. 15% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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

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 noviembre 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
mié. 12/179:30 pmPDX - MSO
Nonstop1h 25mAlaska Airlines
mié. 12/2412:29 pmMSO - PDX
Nonstop1h 55mAlaska Airlines
Deal found 11/19$188
This Delta deal was found by Cheapflights users on 11/19. 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.
lun. 12/85:30 amPDX - MSO
1 stop6h 03mDelta
sáb. 12/135:00 amMSO - PDX
1 stop5h 10mDelta
Deal found 11/19$232
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
jue. 12/2510:35 amPDX - MSO
Nonstop1h 19mAlaska Airlines
lun. 12/295:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 11/20$238
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
mié. 12/245:10 amPDX - MSO
1 stop17h 32mAlaska Airlines
sáb. 12/275:20 amMSO - PDX
Nonstop1h 57mAlaska Airlines
Deal found 11/20$240
This Delta deal was found by Cheapflights users on 11/19. 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.
sáb. 12/65:25 pmPDX - MSO
1 stop5h 04mDelta
jue. 12/115:00 amMSO - PDX
1 stop5h 10mDelta
Deal found 11/19$255
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
mar. 12/97:44 pmPDX - MSO
1 stop3h 42mAlaska Airlines
vie. 12/126:29 amMSO - PDX
1 stop4h 03mAlaska Airlines
Deal found 11/19$257
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/811:11 amPDX - MSO
Nonstop1h 23mAlaska Airlines
lun. 12/151:12 pmMSO - PDX
Nonstop1h 38mAlaska Airlines
Deal found 11/20$266
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
lun. 12/89:30 pmPDX - MSO
Nonstop1h 25mAlaska Airlines
sáb. 12/135:30 amMSO - PDX
Nonstop1h 46mAlaska Airlines
Deal found 11/19$268

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 noviembre 20, 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

vie. 1/16

11:01 am-1:23 pm

Nonstop1h 22m

Missoula Johnson-Bell Field

sáb. 1/24

1:03 pm-1:42 pm

Nonstop1h 39m

$147

PortlandMissoula

PDX - MSO

PDXMSO

Portland

jue. 1/1

9:48 pm-12:09 am

Nonstop1h 21m

Missoula Johnson-Bell Field

mar. 1/6

5:20 am-6:17 am

Nonstop1h 57m

$147

PortlandMissoula

PDX - MSO

PDXMSO

Portland

jue. 1/1

9:48 pm-12:09 am

Nonstop1h 21m

Missoula Johnson-Bell Field

mié. 1/7

6:23 am-9:29 am

1 stop4h 06m

$157

PortlandMissoula

PDX - MSO

PDXMSO

Portland

jue. 1/22

5:35 pm-11:55 pm

1 stop5h 20m

Missoula Johnson-Bell Field

lun. 1/26

1:03 pm-1:42 pm

Nonstop1h 39m

$167

PortlandMissoula

PDX - MSO

PDXMSO

Portland

mié. 12/17

9:30 pm-11:55 pm

Nonstop1h 25m

Missoula Johnson-Bell Field

mié. 12/24

12:29 pm-1:24 pm

Nonstop1h 55m

$188

PortlandMissoula

PDX - MSO

PDXMSO

Portland

mar. 3/10

10:35 am-1:04 pm

Nonstop1h 29m

Missoula Johnson-Bell Field

dom. 3/15

1:01 pm-1:39 pm

Nonstop1h 38m

$188

PortlandMissoula

PDX - MSO

PDXMSO

Portland

vie. 1/30

2:38 pm-3:31 pm

1 stop23h 53m

Missoula Johnson-Bell Field

mar. 2/3

4:20 pm-8:47 pm

1 stop5h 27m

$210

PortlandMissoula

PDX - MSO

PDXMSO

Portland

vie. 1/30

5:35 pm-12:23 pm

1 stop17h 48m

Missoula Johnson-Bell Field

lun. 2/2

1:03 pm-1:42 pm

Nonstop1h 39m

$211

PortlandMissoula

PDX - MSO

PDXMSO

Portland

jue. 3/5

6:00 am-12:21 pm

1 stop5h 21m

Missoula Johnson-Bell Field

mar. 3/10

6:23 am-10:41 pm

1 stop17h 18m

$220

PortlandMissoula

PDX - MSO

PDXMSO

Portland

mié. 1/7

11:01 am-1:23 pm

Nonstop1h 22m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 16 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 November.
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 November 14, 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 noviembre 20, 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.

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 noviembre 20, 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
11,321 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,321 reviews
Alaska Airlines
8.0
Very good
11,321 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Hawaiian Airlines
7.8
Good
2,811 reviews
Alaska Airlines
8.0
Very good
11,321 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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.

  • How long is the flight from Portland to Missoula?

    Alaska Airlines can get you from Portland to Missoula in just under 1h 22m. Your travel time will be generally consistent. The distance from Portland to Missoula is about 416 mi. Most flights are nonstop.

  • 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 49% lower than the current average price 3 months from now.

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

    Consider Alaska Airlines (88%), Horizon Air (88%) 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 $555 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 $188.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Missoula

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Bozeman flights
Medford to Bozeman flights
Portland to Kalispell flights
Portland to Billings flights
Portland to Great Falls flights
Boise to Bozeman flights
Boise to Kalispell flights
Portland to Helena flights
Boise to Missoula flights
Medford to Great Falls flights
Boise to Billings flights
Portland to Butte flights
Redmond to Bozeman flights
Eugene to Bozeman flights
Eugene to Kalispell flights
Boise to Helena flights
Redmond to Great Falls flights
Medford to Billings flights
Redmond to Missoula flights
Portland to Cody flights
Medford to Kalispell flights
Eugene to Billings flights
Boise to Cody flights
Eugene to Great Falls flights
Redmond to Helena flights
Yakima to Helena flights
Yakima to Missoula flights
Yakima to Kalispell flights
Boise to Butte flights

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 noviembre 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$167Average$267FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$167Average$347FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.