Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Missoula from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Missoula departing on 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Missoula

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:48 am - 1:25 pm
PDX
-
MSO
1h 37mnonstop
Alaska Airlines Logo
1:04 pm - 1:35 pm
MSO
-
PDX
1h 31mnonstop
$309Alaska Airlines
Thu, Aug 27 - Tue, Sep 1
Alaska Airlines Logo
10:45 am - 3:17 pm
PDX
-
MSO
3h 32m
1 stop
Alaska Airlines Logo
1:04 pm - 1:35 pm
MSO
-
PDX
1h 31mnonstop
$325Alaska Airlines
Thu, Aug 20 - Sat, Aug 22
Delta Logo
9:46 am - 5:47 pm
PDX
-
MSO
7h 01m
1 stop
Delta Logo
5:30 am - 8:37 am
MSO
-
PDX
4h 07m
1 stop
$328Delta
Thu, Aug 20 - Sun, Aug 23
Delta Logo
7:00 pm - 12:22 am
PDX
-
MSO
4h 22m
1 stop
Delta Logo
6:05 pm - 10:40 pm
MSO
-
PDX
5h 35m
1 stop
$342Delta
Mon, Jun 1 - Sat, Jun 6
Alaska Airlines Logo
2:30 pm - 5:01 pm
PDX
-
MSO
1h 31mnonstop
Alaska Airlines Logo
5:41 pm - 6:16 pm
MSO
-
PDX
1h 35mnonstop
$344Alaska Airlines
Mon, Aug 3 - Sat, Aug 8
Delta Logo
7:00 pm - 12:22 am
PDX
-
MSO
4h 22m
1 stop
Delta Logo
6:29 pm - 11:46 pm
MSO
-
PDX
6h 17m
1 stop
$348Delta
Fri, Jun 5 - Mon, Jun 8
Alaska Airlines Logo
5:30 pm - 10:55 pm
PDX
-
MSO
4h 25m
1 stop
Alaska Airlines Logo
5:41 pm - 6:16 pm
MSO
-
PDX
1h 35mnonstop
$349Alaska Airlines
Sat, Jul 25 - Thu, Jul 30
Delta Logo
7:00 pm - 12:22 am
PDX
-
MSO
4h 22m
1 stop
Delta Logo
5:31 am - 8:39 am
MSO
-
PDX
4h 08m
1 stop
$352Delta
Fri, Jun 5 - Wed, Jun 24
Multiple Airlines Logo
5:42 pm - 9:34 am
PDX
-
MSO
14h 52m
2 stops
Multiple Airlines Logo
10:24 am - 6:04 pm
MSO
-
PDX
8h 40m
1 stop
$356Multiple Airlines
Sat, Aug 1 - Sun, Aug 9
Delta Logo
3:30 pm - 12:22 am
PDX
-
MSO
7h 52m
2 stops
Delta Logo
5:31 am - 8:39 am
MSO
-
PDX
4h 08m
1 stop
$357Delta
Fri, Jun 5 - Wed, Jun 24

Alaska Airlines flights from Portland to Missoula

Our best Alaska Airlines deals on Portland to Missoula flight tickets
Alaska Airlines
Aug 27
PDX10:48 amPortland
1h 37m
MSO1:25 pmMissoula Johnson-Bell Field
Sep 1
MSO1:04 pmMissoula Johnson-Bell Field
1h 31m
PDX1:35 pmPortland
$309
Alaska Airlines
Aug 20
PDX10:45 amPortland
3h 32m
1 stop
MSO3:17 pmMissoula Johnson-Bell Field
Aug 22
MSO1:04 pmMissoula Johnson-Bell Field
1h 31m
PDX1:35 pmPortland
$325
Alaska Airlines
Aug 3
PDX2:30 pmPortland
1h 31m
MSO5:01 pmMissoula Johnson-Bell Field
Aug 8
MSO5:41 pmMissoula Johnson-Bell Field
1h 35m
PDX6:16 pmPortland
$344

United Airlines flights from Portland to Missoula

Our best United Airlines deals on Portland to Missoula flight tickets
United Airlines
Jun 1
PDX7:00 amPortland
7h 38m
1 stop
MSO3:38 pmMissoula Johnson-Bell Field
Jun 9
MSO4:19 pmMissoula Johnson-Bell Field
7h 30m
1 stop
PDX10:49 pmPortland
$432
United Airlines
Jun 1
PDX8:35 amPortland
6h 03m
1 stop
MSO3:38 pmMissoula Johnson-Bell Field
Jun 2
MSO4:19 pmMissoula Johnson-Bell Field
5h 35m
1 stop
PDX8:54 pmPortland
$457
United Airlines
May 31
PDX5:00 amPortland
7h 24m
1 stop
MSO1:24 pmMissoula Johnson-Bell Field
Jun 9
MSO4:19 pmMissoula Johnson-Bell Field
7h 30m
1 stop
PDX10:49 pmPortland
$487

momondo 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, momondo users made 832,500 searches. Data last updated May 18, 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

Thu 8/27

10:48 am-1:25 pm

Nonstop1h 37m

Missoula Johnson-Bell Field

Tue 9/1

1:04 pm-1:35 pm

Nonstop1h 31m

$309

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 8/20

10:45 am-3:17 pm

1 stop3h 32m

Missoula Johnson-Bell Field

Sat 8/22

1:04 pm-1:35 pm

Nonstop1h 31m

$325

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Thu 8/20

9:46 am-5:47 pm

1 stop7h 01m

Missoula Johnson-Bell Field

Sun 8/23

5:30 am-8:37 am

1 stop4h 07m

$328

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Mon 6/1

7:00 pm-12:22 am

1 stop4h 22m

Missoula Johnson-Bell Field

Sat 6/6

6:05 pm-10:40 pm

1 stop5h 35m

$342
Quickest round-trip

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Mon 8/3

2:30 pm-5:01 pm

Nonstop1h 31m

Missoula Johnson-Bell Field

Sat 8/8

5:41 pm-6:16 pm

Nonstop1h 35m

$344

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 6/5

7:00 pm-12:22 am

1 stop4h 22m

Missoula Johnson-Bell Field

Mon 6/8

6:29 pm-11:46 pm

1 stop6h 17m

$348

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 7/25

5:30 pm-10:55 pm

1 stop4h 25m

Missoula Johnson-Bell Field

Thu 7/30

5:41 pm-6:16 pm

Nonstop1h 35m

$349

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 6/5

7:00 pm-12:22 am

1 stop4h 22m

Missoula Johnson-Bell Field

Wed 6/24

5:31 am-8:39 am

1 stop4h 08m

$352

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Sat 8/1

5:42 pm-9:34 am

2 stops14h 52m

Missoula Johnson-Bell Field

Sun 8/9

10:24 am-6:04 pm

1 stop8h 40m

$356

PortlandMissoula

PDX - MSO

PDXMSO

Portland

Fri 6/5

3:30 pm-12:22 am

2 stops7h 52m

Missoula Johnson-Bell Field

Wed 6/24

5:31 am-8:39 am

1 stop4h 08m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Missoula from

How to get the cheapest flight ticket from Portland to Missoula

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland and Missoula?

What is the cheapest month to fly to Missoula?

The month of September is, on average, the cheapest month to fly to Missoula from Portland, with most prices found around $238. If you are unable to visit Missoula during the month of September, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around $238.

What is the cheapest day to depart on your flight to Missoula?

On average, the least expensive day to fly to Missoula from Portland is on a Friday. momondo users have found tickets for Friday departures for as low as $298. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $368.

What is the cheapest time of day to depart on your flight to Missoula?

The cheapest time of day to fly to Missoula is in the evening when flights can be purchased for as low as $298. Flights at noon are often more expensive with an average ticket price of $438.

What is the cheapest Portland to Missoula Johnson-Bell Field flight route?

Fly from Portland to Missoula Johnson-Bell Field for the best Portland - Missoula Johnson-Bell Field flight prices

Can stopping save me money on Portland to Missoula flights?

You could potentially save up to 38% on your flight if you consider stops on a Portland to Missoula flight.

How have Portland to Missoula flight prices changed over time?

When to book flights from Portland to Missoula

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Missoula according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Missoula (PDX to MSO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Missoula

Best Price Found

$298

Fastest flight time

1h 31m

Direct flights

Every day

Airports in Missoula

1 airport
The best flight deal from Portland to Missoula found on momondo in the last 72 hours is $298
The fastest flight from Portland to Missoula takes 1h 31m
Direct flights go from Portland to Missoula every day.
There is 1 airport in Missoula. From Portland there are direct flights to Missoula Johnson-Bell Field (MSO).
Search flight deals

Frequently asked questions about flying from Portland to Missoula

  • How far is Portland to Missoula Johnson-Bell Field by plane?

    Missoula Johnson-Bell Field is 425.0 mi away from Portland. By plane, this route typically takes 1h 31m.

  • When did momondo last update prices for flights from Portland Airport to Missoula Johnson-Bell Field Airport?

    Prices for flights from Portland Airport to Missoula Johnson-Bell Field Airport were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Missoula Johnson-Bell Field Airport?

  • How old do you have to be to fly from Portland Airport to Missoula Johnson-Bell Field Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Missoula Johnson-Bell Field Airport.

  • What documentation or ID do you need to fly to Missoula Johnson-Bell Field Airport?

    The travel and health documents required for your trip to Missoula Johnson-Bell Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missoula Johnson-Bell Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Portland to Missoula?

  • What is the most popular airline from Portland to Missoula?

Best airlines flying from Portland to Missoula

Compare and see reviews for airlines that fly from Portland to Missoula with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $157Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $167Free CancellationRating
7.9
12,378 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Portland to Missoula

    Alaska Airlines flies from Portland to Missoula around 7 times per week, with 12,378 momondo users rating the airline 7.9/10. The cheapest Alaska Airlines deal from Portland to Missoula in the last 72 hours was $167 (round-trip), much lower than the average airfare cost of $330 for Alaska Airlines flights on this route.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Missoula?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Missoula for you.

Can I find flights from Portland to Missoula with flexible booking policies on momondo?

Yes. All flights to Missoula from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Missoula?

momondo provides multiple filters to help you find the best flight to Missoula from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Missoula right now. Can momondo alert me if prices change?

Price alerts on flights to Missoula from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Missoula trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/17
Wed 6/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States