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$99+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MSO
Jun 24 — Jul 11
Tue 6/24
Tue 7/1
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 73 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 June 19, 2025.

Round-trip from

$177
(Hawaiian Airlines)

One-way from

$99
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$297

Good round-trip deal

$238 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. 12% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 19, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/17. 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.
Fri 8/229:30 pmPDX - MSO
Nonstop1h 29mHawaiian Airlines
Wed 8/271:12 pmMSO - PDX
Nonstop1h 33mHawaiian Airlines
Deal found 6/17$177
This Delta deal was found by Cheapflights users on 6/17. 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 8/225:05 pmPDX - MSO
1 stop6h 10mDelta
Wed 8/276:24 pmMSO - PDX
2 stops6h 28mDelta
Deal found 6/17$202
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Thu 7/179:30 pmPDX - MSO
Nonstop1h 24mAlaska Airlines
Thu 7/245:45 amMSO - PDX
Nonstop1h 35mAlaska Airlines
Deal found 6/17$238
This Trip.com deal was found by Cheapflights users on 6/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/15:15 amPDX - MSO
1 stop6h 20mMultiple Airlines
Fri 8/85:45 amMSO - PDX
Nonstop1h 35mMultiple Airlines
Deal found 6/17$282
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:00 amPDX - MSO
1 stop7h 34mUnited Airlines
Tue 9/26:30 amMSO - PDX
1 stop7h 33mUnited Airlines
Deal found 6/17$372

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 June 19, 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

Fri 8/22

9:30 pm-11:59 pm

Nonstop1h 29m

Missoula Johnson-Bell Field

Wed 8/27

1:12 pm-1:45 pm

Nonstop1h 33m

$177

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 8/22

5:05 pm-12:15 am

1 stop6h 10m

Missoula Johnson-Bell Field

Wed 8/27

6:24 pm-11:52 pm

2 stops6h 28m

$202

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 7/16

9:30 pm-11:54 pm

Nonstop1h 24m

Missoula Johnson-Bell Field

Wed 7/23

5:45 am-6:20 am

Nonstop1h 35m

$268

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 8/1

5:15 am-12:35 pm

1 stop6h 20m

Missoula Johnson-Bell Field

Fri 8/8

5:45 am-6:20 am

Nonstop1h 35m

$282

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 8/27

5:00 am-1:34 pm

1 stop7h 34m

Missoula Johnson-Bell Field

Tue 9/2

6:30 am-1:03 pm

1 stop7h 33m

$372

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 9/10

9:30 pm-11:59 pm

Nonstop1h 29m

$99

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Wed 9/10

5:47 pm-12:27 am

1 stop5h 40m

$108

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sun 6/29

6:35 am-11:55 am

1 stop28h 20m

$111

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Tue 7/15

9:47 am-3:42 pm

1 stop4h 55m

$129

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 8/1

5:05 pm-12:24 am

1 stop6h 19m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 13 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 June 13, 2025.

Booking 73 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 $506). 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 June 19, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Portland to Missoula by exploring options for tickets in the evening.

Weekly flight availability from Portland to Missoula

Explore weekly flight availability from Portland to Missoula. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 19, 2025.

The most flights from PDX to MSO are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Missoula by month

Plan your trip to Missoula by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missoula ranges from 0.7 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Missoula when rainfall is around 0.7 in.

Temperature in Missoula by month

Plan your trip to Missoula by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

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 June 19, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Portland to Missoula have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,509 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
722 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 24m is how long a flight from Portland to Missoula Johnson-Bell Field will take if you book a nonstop flight.

  • What are the cheapest airlines flying from Portland to Missoula round-trip?

    According to our current data, Hawaiian Airlines ($177), Delta ($202), and Alaska Airlines ($268) offers the cheapest pricing from Portland to Missoula. These flights start at 46% 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 Alaska Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $108 and $111 on Hawaiian Airlines and Frontier, respectively.

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

    Consider Alaska Airlines (87%), Horizon Air (87%) or Hawaiian Airlines (84%) 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 $298 for a flight from Portland to Missoula. The cheapest flight overall is $238 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, 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 $506). 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.

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Alternative routes for Portland to Missoula

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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 June 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$167Average$274FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$176Average$355FlexibilityNo cancel feeOn-time75%
DeltaCheapest$196Average$236FlexibilityNo cancel feeOn-timeN/A

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