$275+ Cheap flights from Ontario to Missoula (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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MSO
Sep 22 — Sep 291
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Missoula with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ontario to MissoulaExplore the most affordable flight options available from Ontario to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
Explore the most affordable flight options available from Ontario to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 23, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 10/37:00 am -
1 stop6h 24m
Sat 10/105:19 pm -
2 stops19h 05m
Deal found 8/19![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/1610:15 am -
2 stops14h 15m
Wed 9/236:15 am -
1 stop13h 17m
Deal found 8/18![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/149:00 pm -
2 stops15h 02m
Mon 9/216:15 am -
2 stops15h 44m
Deal found 8/19![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 12/65:30 am -
2 stops14h 55m
Wed 12/96:15 am -
2 stops13h 32m
Deal found 8/18![United Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sat 10/175:40 am -
2 stops12h 40m
Wed 10/214:15 pm -
2 stops15h 05m
Deal found 8/22![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/165:40 am -
2 stops18h 50m
Wed 9/234:15 pm -
2 stops15h 05m
Deal found 8/18![United Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/1110:45 am -
1 stop7h 35m
Fri 9/1810:43 am -
1 stop8h 49m
Deal found 8/19![United Airlines logo]()
$813
Best flights from Ontario to MissoulaDiscover carefully curated flight deals from Ontario to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
Discover carefully curated flight deals from Ontario to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 23, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 10/37:00 am -
1 stop6h 24m
Sat 10/105:19 pm -
2 stops19h 05m
Deal found 8/19![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 8/18. 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.
Wed 9/167:24 pm -
1 stop6h 18m
Wed 9/235:30 am -
1 stop9h 14m
Deal found 8/18![Delta logo]()
$472
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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.
Sun 1/105:15 pm -
1 stop7h 43m
Mon 1/117:03 am -
1 stop7h 02m
Deal found 8/22![Alaska Airlines logo]()
$758
This Delta deal was found by Cheapflights users on 8/18. 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.
Mon 1/1112:15 pm -
2 stops14h 16m
Wed 1/138:00 am -
2 stops9h 07m
Deal found 8/18![Delta logo]()
$496
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 1/114:00 pm -
1 stop7h 26m
Wed 1/136:15 am -
1 stop6h 57m
Deal found 8/19![United Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/1610:15 am -
2 stops14h 15m
Wed 9/236:15 am -
1 stop13h 17m
Deal found 8/18![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sun 1/106:10 am -
2 stops14h 15m
Mon 1/119:45 am -
2 stops9h 49m
Deal found 8/22![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 12/65:30 am -
2 stops14h 55m
Wed 12/96:15 am -
2 stops13h 32m
Deal found 8/18![United Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sat 10/175:40 am -
2 stops12h 40m
Wed 10/214:15 pm -
2 stops15h 05m
Deal found 8/22![United Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/165:40 am -
2 stops18h 50m
Wed 9/234:15 pm -
2 stops15h 05m
Deal found 8/18![United Airlines logo]()
$775
Last-minute flights from Ontario to MissoulaDiscover last-minute flight deals from Ontario to Missoula. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Missoula. Data last updated August 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/1110:45 am -
1 stop7h 35m
Fri 9/1810:43 am -
1 stop8h 49m
Deal found 8/19![United Airlines logo]()
$813
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Mon 9/149:00 pm -
2 stops15h 02m
Mon 9/216:15 am -
1 stop13h 17m
Deal found 8/19![United Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 8/18. 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.
Wed 9/167:24 pm -
1 stop6h 18m
Wed 9/235:30 am -
1 stop9h 14m
Deal found 8/18![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/1610:15 am -
2 stops14h 15m
Wed 9/236:15 am -
1 stop13h 17m
Deal found 8/18![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/165:40 am -
2 stops18h 50m
Wed 9/234:15 pm -
2 stops15h 05m
Deal found 8/18![United Airlines logo]()
$775
One-way flights from Ontario to MissoulaSearch for one-way flight options from Ontario to Missoula. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
Search for one-way flight options from Ontario to Missoula. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Tue 10/2010:45 am -
2 stops12h 47m
Deal found 8/22![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sat 10/177:00 am -
1 stop6h 24m
Deal found 8/22![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 9/257:00 am -
1 stop6h 24m
Deal found 8/21![United Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:25 pm -
3 stops43h 58m
Deal found 8/22![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
3 stops18h 04m
Deal found 8/22![Multiple Airlines logo]()
$387
Find flight deals from Ontario to Missoula
Keep the following information in mind while searching for Ontario to Missoula flight deals. Data was last updated August 23, 2026.
Round-trip from | $472 (United Airlines) |
|---|---|
One-way from | $275 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 7,457,451 searches. Data last updated August 23, 2026.
Use the filters below to find and compare flights from Ontario to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TorontoMissoula
YYZ Toronto Pearson Intl - MSO Missoula Johnson-Bell Field
YYZMSO
Toronto Pearson Intl
Sat 10/3
7:00 am-11:24 am
1 stop6h 24m
Missoula Johnson-Bell Field
Sat 10/10
5:19 pm-2:24 pm
2 stops19h 05m
$472
TorontoMissoula
YYZ Toronto Pearson Intl - MSO Missoula Johnson-Bell Field
YYZMSO
Toronto Pearson Intl
Wed 9/16
7:24 pm-11:42 pm
1 stop6h 18m
Missoula Johnson-Bell Field
Wed 9/23
5:30 am-4:44 pm
1 stop9h 14m
$472
TorontoMissoula
YYZ Toronto Pearson Intl - MSO Missoula Johnson-Bell Field
YYZMSO
Toronto Pearson Intl
Mon 1/11
12:15 pm-12:31 am
2 stops14h 16m
Missoula Johnson-Bell Field
Wed 1/13
8:00 am-7:07 pm
2 stops9h 07m
$496
Quickest round-trip
TorontoMissoula
YYZ Toronto Pearson Intl - MSO Missoula Johnson-Bell Field
YYZMSO
Toronto Pearson Intl
Mon 1/11
4:00 pm-9:26 pm
1 stop7h 26m
Missoula Johnson-Bell Field
Wed 1/13
6:15 am-3:12 pm
1 stop6h 57m
$497
TorontoMissoula
YYZ Toronto Pearson Intl - MSO Missoula Johnson-Bell Field
YYZMSO
Toronto Pearson Intl
Wed 9/16
10:15 am-10:30 pm
2 stops14h 15m
Missoula Johnson-Bell Field
Wed 9/23
6:15 am-9:32 pm
1 stop13h 17m
$522
TorontoMissoula
YYZ Toronto Pearson Intl - MSO Missoula Johnson-Bell Field
YYZMSO
Toronto Pearson Intl
Sun 1/10
6:10 am-6:25 pm
2 stops14h 15m
Missoula Johnson-Bell Field
Mon 1/11
9:45 am-9:34 pm
2 stops9h 49m
$538
LondonMissoula
YXU London - MSO Missoula Johnson-Bell Field
YXUMSO
London
Sun 12/6
5:30 am-6:25 pm
2 stops14h 55m
Missoula Johnson-Bell Field
Wed 12/9
6:15 am-9:47 pm
2 stops13h 32m
$745
LondonMissoula
YXU London - MSO Missoula Johnson-Bell Field
YXUMSO
London
Sat 10/17
5:40 am-4:20 pm
2 stops12h 40m
Missoula Johnson-Bell Field
Wed 10/21
4:15 pm-9:20 am
2 stops15h 05m
$751
TorontoMissoula
YYZ Toronto Pearson Intl - MSO Missoula Johnson-Bell Field
YYZMSO
Toronto Pearson Intl
Sun 1/10
5:15 pm-10:58 pm
1 stop7h 43m
Missoula Johnson-Bell Field
Mon 1/11
7:03 am-4:05 pm
1 stop7h 02m
$758
LondonMissoula
YXU London - MSO Missoula Johnson-Bell Field
YXUMSO
London
Wed 9/16
5:40 am-10:30 pm
2 stops18h 50m
Missoula Johnson-Bell Field
Wed 9/23
4:15 pm-9:20 am
2 stops15h 05m
$775
Showing 1-10 of 14 resultsSorted by cheapest first
Best time to book a flight from Ontario to Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Ontario with our price prediction graph.
YYZ-MSO
YXU-MSO
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 Ontario to Missoula
CAON-MSO
YYZ-MSO
YXU-MSO
No data available for this route at this time. Please check back soon.
Related info for your journey
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