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Find Portland to Missoula flights starting at CAD 284.

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • PWM19:48
        19h 54m
        2 stops
        MSO13:42
        Fri, Jan 24|Portland - Missoula|Frontier Airlines
        CAD 284CAD 1,181
        76% OFF
        76% OFF
        CAD 1,181CAD 284

        Choose Frontier Airlines flights from Portland to Missoula. The one-way connecting flight with Frontier Airlines departs from Portland International Jetport on Fri, Jan 24, arriving at Missoula International Airport. One-way Prices start from CAD 284 including taxes and charges.

      • PWM14:24
        11h 34m
        2 stops
        MSO23:58
        Fri, Jan 24|Portland - Missoula|Alaska Airlines
        CAD 466CAD 1,181
        61% OFF
        61% OFF
        CAD 1,181CAD 466

        Choose Alaska Airlines flights from Portland to Missoula. The one-way connecting flight with Alaska Airlines departs from Portland International Jetport on Fri, Jan 24, arriving at Missoula International Airport. One-way Prices start from CAD 466 including taxes and charges.

      • PWM06:00
        12h 9m
        2 stops
        MSO16:09
        Fri, Jan 24|Portland - Missoula|United Airlines
        CAD 641CAD 1,181
        46% OFF
        46% OFF
        CAD 1,181CAD 641

        Choose United Airlines flights from Portland to Missoula. The one-way connecting flight with United Airlines departs from Portland International Jetport on Fri, Jan 24, arriving at Missoula International Airport. One-way Prices start from CAD 641 including taxes and charges.

      • PWM05:23
        14h 32m
        2 stops
        MSO17:55
        Fri, Jan 24|Portland - Missoula|Delta Air Lines
        CAD 686
        CAD 686

        Choose Delta Air Lines flights from Portland to Missoula. The one-way connecting flight with Delta Air Lines departs from Portland International Jetport on Fri, Jan 24, arriving at Missoula International Airport. One-way Prices start from CAD 686 including taxes and charges.

      • PWM10:08
        15h 49m
        2 stops
        MSO23:57
        Thu, Mar 20|Portland - Missoula|Frontier Airlines
        CAD 743
        CAD 743

        Choose Frontier Airlines flights from Portland to Missoula. The one-way connecting flight with Frontier Airlines departs from Portland International Jetport on Thu, Mar 20, arriving at Missoula International Airport. One-way Prices start from CAD 743 including taxes and charges.

      • PWM06:00
        16h 22m
        2 stops
        MSO20:22
        Thu, Mar 20|Portland - Missoula|Delta Air Lines
        CAD 812
        CAD 812

        Choose Delta Air Lines flights from Portland to Missoula. The one-way connecting flight with Delta Air Lines departs from Portland International Jetport on Thu, Mar 20, arriving at Missoula International Airport. One-way Prices start from CAD 812 including taxes and charges.

      • PWM06:00
        13h 56m
        2 stops
        MSO17:56
        Thu, Mar 20|Portland - Missoula|United Airlines
        CAD 905
        CAD 905

        Choose United Airlines flights from Portland to Missoula. The one-way connecting flight with United Airlines departs from Portland International Jetport on Thu, Mar 20, arriving at Missoula International Airport. One-way Prices start from CAD 905 including taxes and charges.

      • PWM14:19
        11h 38m
        2 stops
        MSO23:57
        Thu, Mar 20|Portland - Missoula|Alaska Airlines
        CAD 1,075
        CAD 1,075

        Choose Alaska Airlines flights from Portland to Missoula. The one-way connecting flight with Alaska Airlines departs from Portland International Jetport on Thu, Mar 20, arriving at Missoula International Airport. One-way Prices start from CAD 1,075 including taxes and charges.

      • PWM01:00 pm
        3h 5m
        Nonstop
        MSO02:00 pm
        Mon, Jan 13|Portland - Missoula|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Portland to Missoula?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find Cheapest Airlines Flying from Portland to Missoula

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From CAD 284
Alaska Airlines
From CAD 466
United Airlines
From CAD 641
Delta Air Lines
From CAD 686

Find more flights and airlines

Alternative Routes for Portland to Missoula Flights

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Portland to Missoula.

  • Cheapest
    Frontier Airlines
    PWM
    19:48
    19h 54m
    2 transfer
    MSO
    13:42
    Portland International Jetport - Missoula International Airport
    Fri, Jan 24Frontier Airlines
    CAD 284
  • Frontier Airlines
    PWM
    19:48
    19h 54m
    2 transfer
    MSO
    13:42
    Portland International Jetport - Missoula International Airport
    Fri, Jan 24Frontier Airlines
    CAD 284
    Find More Flights

FAQ

  • When are flight tickets from Portland (PWM) to Missoula (MSO) the cheapest?

    Airlines adjust prices for flights from Portland to Missoula based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Portland (PWM) to Missoula (MSO) cost?

    According to Trip.com's data, the lowest price is around CAD 1,122.

  • What is the transportation method from the main airport to downtown in Missoula?

    • The distance from Missoula International Airport to downtown is about 8km, by taxi about 20 minutes.

  • How many airports in Missoula (MSO)?

    There are 1 airport(s) in Missoula (MSO): Missoula International Airport.

How to find a cheap flight from Portland to Missoula

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to Missoula. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information for Portland to Missoula Flights

Off-season travel monthJanuary
Peak season for travelDecember
Flight distance3,399.9km
Popular airlineAmerican Airlines

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