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Cheap flight deals from Ontario to Missoula Starting at IDR 1,635,220

For as little as IDR 1,635,220, you can take your next adventure to Missoula without breaking the bank. Choose between one-way and return tickets from Ontario below.

  • One way
  • Round-trip
      • ONT06:00
        6h 40m
        1 stop
        MSO13:40
        Fri, Feb 28|Ontario - Missoula|Alaska Airlines
        IDR 1,635,220IDR 2,964,960
        45% OFF
        45% OFF
        IDR 2,964,960IDR 1,635,220

        Choose Alaska Airlines flights from Ontario to Missoula. The one-way connecting flight with Alaska Airlines departs from Ontario International Airport on Fri, Feb 28, arriving at Missoula International Airport. One-way Prices start from IDR 1,635,220 including taxes and charges.

      • ONT06:00
        6h 40m
        1 stop
        MSO13:40
        Tue, Feb 25|Ontario - Missoula|Alaska Airlines
        IDR 1,655,436IDR 2,964,960
        44% OFF
        44% OFF
        IDR 2,964,960IDR 1,655,436

        Choose Alaska Airlines flights from Ontario to Missoula. The one-way connecting flight with Alaska Airlines departs from Ontario International Airport on Tue, Feb 25, arriving at Missoula International Airport. One-way Prices start from IDR 1,655,436 including taxes and charges.

      • ONT06:00
        6h 40m
        1 stop
        MSO13:40
        Wed, Mar 12|Ontario - Missoula|Alaska Airlines
        IDR 1,747,529IDR 2,964,960
        41% OFF
        41% OFF
        IDR 2,964,960IDR 1,747,529

        Choose Alaska Airlines flights from Ontario to Missoula. The one-way connecting flight with Alaska Airlines departs from Ontario International Airport on Wed, Mar 12, arriving at Missoula International Airport. One-way Prices start from IDR 1,747,529 including taxes and charges.

      • ONT17:10
        6h 35m
        1 stop
        MSO00:45
        Tue, Feb 25|Ontario - Missoula|Delta Air Lines
        IDR 1,841,869
        IDR 1,841,869

        Choose Delta Air Lines flights from Ontario to Missoula. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Tue, Feb 25, arriving at Missoula International Airport. One-way Prices start from IDR 1,841,869 including taxes and charges.

      • ONT06:00
        4h 15m
        1 stop
        MSO11:15
        Wed, Mar 19|Ontario - Missoula|Delta Air Lines
        IDR 1,864,331
        IDR 1,864,331

        Choose Delta Air Lines flights from Ontario to Missoula. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Wed, Mar 19, arriving at Missoula International Airport. One-way Prices start from IDR 1,864,331 including taxes and charges.

      • ONT06:00
        4h 20m
        1 stop
        MSO11:20
        Wed, Mar 12|Ontario - Missoula|Delta Air Lines
        IDR 2,064,241
        IDR 2,064,241

        Choose Delta Air Lines flights from Ontario to Missoula. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Wed, Mar 12, arriving at Missoula International Airport. One-way Prices start from IDR 2,064,241 including taxes and charges.

      • ONT17:15
        6h 17m
        1 stop
        MSO00:32
        Tue, Mar 11|Ontario - Missoula|Delta Air Lines
        IDR 2,064,241
        IDR 2,064,241

        Choose Delta Air Lines flights from Ontario to Missoula. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Tue, Mar 11, arriving at Missoula International Airport. One-way Prices start from IDR 2,064,241 including taxes and charges.

      • ONT17:15
        6h 17m
        1 stop
        MSO00:32
        Tue, Mar 18|Ontario - Missoula|Delta Air Lines
        IDR 2,079,964
        IDR 2,079,964

        Choose Delta Air Lines flights from Ontario to Missoula. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Tue, Mar 18, arriving at Missoula International Airport. One-way Prices start from IDR 2,079,964 including taxes and charges.

      • ONT06:00
        4h 15m
        1 stop
        MSO11:15
        Tue, Mar 4|Ontario - Missoula|Delta Air Lines
        IDR 2,082,210
        IDR 2,082,210

        Choose Delta Air Lines flights from Ontario to Missoula. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Tue, Mar 4, arriving at Missoula International Airport. One-way Prices start from IDR 2,082,210 including taxes and charges.

      • ONT06:00
        4h 20m
        1 stop
        MSO11:20
        Thu, Mar 13|Ontario - Missoula|Delta Air Lines
        IDR 2,223,720
        IDR 2,223,720

        Choose Delta Air Lines flights from Ontario to Missoula. The one-way connecting flight with Delta Air Lines departs from Ontario International Airport on Thu, Mar 13, arriving at Missoula International Airport. One-way Prices start from IDR 2,223,720 including taxes and charges.

      • ONT01:00 pm
        3h 5m
        Nonstop
        MSO02:00 pm
        Tue, Mar 4|Ontario - Missoula|Alaska Airlines
        Find More Flights
        Find More Flights

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

Los Angeles to Missoula flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. F91500

    Frontier Airlines

    00:59

    ONT

    2.3h

    04:18

    DEN

    SMTWTFS
    Search

  2. AS643

    Alaska Airlines

    06:00

    DEN

    3.0h

    07:59

    SEA

    SMTWTFS

  3. AS697

    Alaska Airlines

    11:50

    SEA

    1.5h

    14:21

    MSO

    SMTWTFS

  4. UA1575

    United Airlines

    05:10

    ONT

    2.3h

    08:28

    DEN

    SMTWTFS
    Search

  5. UA639

    United Airlines

    11:24

    DEN

    2.0h

    13:27

    MSO

    SMTWTFS

  6. AS1091

    Alaska Airlines

    06:00

    ONT

    2.7h

    08:42

    SEA

    SMTWTFS
    Search

  7. AS697

    Alaska Airlines

    11:50

    SEA

    1.5h

    14:21

    MSO

    SMTWTFS

  8. DL1340

    Delta Air Lines

    06:00

    ONT

    1.8h

    08:50

    SLC

    SMTWTFS
    Search

  9. DL4112

    Delta Air Lines

    10:45

    SLC

    1.6h

    12:20

    MSO

    SMTWTFS

  10. AS1058

    Alaska Airlines

    07:00

    ONT

    2.4h

    09:24

    PDX

    S-TWT-S
    Search

  11. AS2243

    Alaska Airlines

    13:07

    PDX

    1.4h

    15:31

    MSO

    SMTWTFS

  12. AS1255

    Alaska Airlines

    11:51

    ONT

    2.7h

    14:35

    SEA

    S-TWTFS
    Search

  13. AS2036

    Alaska Airlines

    15:39

    SEA

    1.3h

    17:59

    MSO

    SMTWTFS

  14. F93164

    Frontier Airlines

    13:19

    ONT

    2.8h

    16:08

    SEA

    S--WT-S
    Search

  15. AS2123

    Alaska Airlines

    21:15

    SEA

    1.4h

    23:36

    MSO

    SMTWTFS

  16. UA1942

    United Airlines

    13:44

    ONT

    2.3h

    17:03

    DEN

    SMTWTFS
    Search

  17. UA1092

    United Airlines

    19:15

    DEN

    2.1h

    21:21

    MSO

    SMTWTFS

  18. DL3933

    Delta Air Lines

    16:57

    ONT

    1.8h

    19:46

    SLC

    SMTWT-S
    Search

  19. DL768

    Delta Air Lines

    22:55

    SLC

    1.8h

    00:41

    MSO

    SMTWTFS
Find more flights and airlines

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

Explore the best time to buy affordable tickets to Missoula with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

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

Frequently Asked Questions

  • When are flight tickets from Ontario (ONT) to Missoula (MSO) the cheapest?

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

  • How much do flights from Ontario (ONT) to Missoula (MSO) cost?

    According to Trip.com's data, the lowest price is around IDR 5,631,177.

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

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

  • What's the most popular airline for non-stop flights from Ontario (ONT) to Missoula (MSO)?

    Alaska Airlines operates 1 non-stop flights from Ontario (ONT) to Missoula (MSO).

  • How many airports are there in Missoula (MSO)?

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

How to find a cheap flight from Ontario to Missoula

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Being flexible with your dates to get the cheapest Ontario to Missoula ticket.
Tap "Date" on flight search bar to scan through the calender for Ontario to Missoula airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Fri, Feb 28 at IDR 1635220 for one-way flights.
2
Compare cheap Ontario to Missoula flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Ontario to Missoula. The cheapest airline operating is Alaska Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your Ontario to Missoula route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Ontario to Missoula flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Ontario to Missoula to get exclusive deals for you.

Flight Info | Ontario to Missoula

Cheapest direct flight priceIDR 1,635,220
Off-season for travelDecember
Peak season for travelAugust
Flight distance11,807.72 km
Popular airlineAlaska Airlines

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