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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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 75 days in advance, depart on a Thursday or Wednesday 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 September 17, 2025.

Round-trip from

$157
(Alaska Airlines)

One-way from

$89
(Delta)

Popular in

December

Cheapest in

January

Average price

$247

Good round-trip deal

$247 or less
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. 19% potential increase in price ($77 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 September 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 September 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/1411:07 amPDX - MSO
Nonstop1h 20mAlaska Airlines
Sat 10/258:30 amMSO - PDX
Nonstop1h 36mAlaska Airlines
Deal found 9/15$157
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/256:00 pmPDX - MSO
1 stop4h 43mAlaska Airlines
Tue 10/286:32 amMSO - PDX
1 stop3h 34mAlaska Airlines
Deal found 9/15$176
This Delta deal was found by Cheapflights users on 9/15. 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 10/147:15 pmPDX - MSO
1 stop4h 02mDelta
Sat 10/256:20 pmMSO - PDX
1 stop5h 07mDelta
Deal found 9/15$177
This Hawaiian Airlines deal was found by Cheapflights users on 9/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:11 amPDX - MSO
Nonstop1h 23mHawaiian Airlines
Thu 12/111:12 pmMSO - PDX
Nonstop1h 38mHawaiian Airlines
Deal found 9/14$187
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/1811:07 amPDX - MSO
Nonstop1h 20mAlaska Airlines
Wed 10/228:30 amMSO - PDX
Nonstop1h 36mAlaska Airlines
Deal found 9/15$198
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/141:25 pmPDX - MSO
1 stop3h 35mAlaska Airlines
Wed 10/228:30 amMSO - PDX
Nonstop1h 36mAlaska Airlines
Deal found 9/15$200
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/256:00 pmPDX - MSO
1 stop4h 43mAlaska Airlines
Sun 10/266:32 amMSO - PDX
1 stop5h 00mAlaska Airlines
Deal found 9/15$206
This Delta deal was found by Cheapflights users on 9/15. 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 10/175:00 pmPDX - MSO
1 stop6h 17mDelta
Sat 10/256:20 pmMSO - PDX
1 stop5h 07mDelta
Deal found 9/15$207
This Delta deal was found by Cheapflights users on 9/15. 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 10/175:25 pmPDX - MSO
2 stops5h 52mDelta
Wed 10/225:25 amMSO - PDX
1 stop4h 38mDelta
Deal found 9/15$212

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 September 17, 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

Tue 10/14

11:07 am-1:27 pm

Nonstop1h 20m

Missoula Johnson-Bell Field

Sat 10/25

8:30 am-9:06 am

Nonstop1h 36m

$157

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 10/25

6:00 pm-11:43 pm

1 stop4h 43m

Missoula Johnson-Bell Field

Tue 10/28

6:32 am-9:06 am

1 stop3h 34m

$176

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 10/14

7:15 pm-12:17 am

1 stop4h 02m

Missoula Johnson-Bell Field

Sat 10/25

5:25 am-12:49 pm

2 stops8h 24m

$182

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 12/6

11:11 am-1:34 pm

Nonstop1h 23m

Missoula Johnson-Bell Field

Thu 12/11

1:12 pm-1:50 pm

Nonstop1h 38m

$187

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 12/6

11:11 am-1:34 pm

Nonstop1h 23m

Missoula Johnson-Bell Field

Thu 12/11

5:30 am-6:16 am

Nonstop1h 46m

$187

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sun 10/12

9:38 pm-11:59 pm

Nonstop1h 21m

Missoula Johnson-Bell Field

Sat 10/25

8:30 am-9:06 am

Nonstop1h 36m

$187

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 10/14

9:38 pm-11:59 pm

Nonstop1h 21m

Missoula Johnson-Bell Field

Fri 10/24

8:30 am-9:06 am

Nonstop1h 36m

$187

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 11/25

9:59 pm-12:22 am

Nonstop1h 23m

Missoula Johnson-Bell Field

Tue 12/2

5:30 am-6:16 am

Nonstop1h 46m

$198

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 10/15

11:07 am-1:27 pm

Nonstop1h 20m

Missoula Johnson-Bell Field

Sat 10/25

8:30 am-9:06 am

Nonstop1h 36m

$198

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 10/14

11:07 am-1:27 pm

Nonstop1h 20m

Missoula Johnson-Bell Field

Tue 10/21

6:37 am-6:20 am

1 stop24h 43m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 results
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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 September 12, 2025.

Booking 46 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, October is the cheapest month in which you can book a flight from Portland to Missoula (average of $365). Flying from Portland to Missoula in March is currently the most expensive (average of $505). 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 September 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 41% on flights from Portland to Missoula by exploring options for tickets in the evening.

What is the cheapest day to fly from Portland to Missoula?

Use this chart to determine the cheapest time to fly round-trip from Portland to Missoula. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Portland to Missoula flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 17, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, 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
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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
2,729 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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 4 daily flights to Missoula from 3 different airlines. 1h 20m 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, Delta, and Hawaiian Airlines can get you from Portland to Missoula in just under 1h 20m. Your travel time can differ by up to 2h 42m. 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, Alaska Airlines ($168), Delta ($196), and Hawaiian Airlines ($197) offers the cheapest pricing from Portland to Missoula. These flights start at 47% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Portland to Missoula one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $89. Users have also found prices from $99 and $99 on Hawaiian Airlines and Alaska Airlines, respectively.

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

    Consider British Airways (100%), Hawaiian Airlines (89%) or Alaska Airlines (87%) 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 $348 for a flight from Portland to Missoula. The cheapest flight overall is $247 while the most popular route, (Portland - Missoula Johnson-Bell Field) is currently priced at $157.

  • 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, October is the cheapest month in which you can book a flight from Portland to Missoula (average of $365). Flying from Portland to Missoula in March is currently the most expensive (average of $505). 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 3 airlines flying from Portland to Missoula

Discover the top 3 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$168Average$336FlexibilityNo cancel feeOn-time75%
DeltaCheapest$196Average$226FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$197Average$268FlexibilityNo cancel feeOn-time85%

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