$123+ Cheap flights from Ontario (ONT) to Montana
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BZN
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Montana 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 MontanaExplore the most affordable flight options available from Ontario to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
Explore the most affordable flight options available from Ontario to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/911:00 am -
1 stop21h 39m
Sun 12/1310:29 am -
1 stop26h 22m
Deal found 11/4![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 11/185:07 pm -
1 stop15h 31m
Sun 11/2210:28 am -
1 stop21h 52m
Deal found 11/2![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/2410:40 pm -
1 stop21h 41m
Mon 11/3010:57 am -
1 stop26h 42m
Deal found 11/3![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 11/2010:55 am -
1 stop5h 12m
Fri 11/2712:57 pm -
1 stop7h 39m
Deal found 11/2![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/2510:48 pm -
1 stop14h 19m
Sun 1/34:54 pm -
2 stops28h 48m
Deal found 11/4![Multiple Airlines logo]()
$327
This flugladen.de deal was found by Cheapflights users on 11/2. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:01 pm -
1 stop5h 32m
Mon 12/710:27 am -
1 stop6h 38m
Deal found 11/2![Alaska Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Fri 12/2510:48 pm -
1 stop14h 19m
Sat 1/22:57 pm -
1 stop7h 59m
Deal found 11/5![Multiple Airlines logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/96:00 am -
1 stop5h 14m
Fri 12/116:35 pm -
1 stop5h 24m
Deal found 11/2![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/95:00 am -
1 stop7h 27m
Sat 12/126:30 am -
1 stop7h 04m
Deal found 11/4![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 11/1. 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 12/46:00 am -
1 stop5h 39m
Tue 12/86:19 pm -
1 stop6h 38m
Deal found 11/1![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 12/86:00 am -
1 stop7h 13m
Wed 12/910:27 am -
1 stop6h 38m
Deal found 11/2![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 11/5. 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.
Sat 12/196:00 am -
1 stop4h 42m
Sun 12/2012:36 pm -
1 stop4h 34m
Deal found 11/5![Delta logo]()
$358
Best flights from Ontario to MontanaDiscover carefully curated flight deals from Ontario to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
Discover carefully curated flight deals from Ontario to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/96:00 am -
1 stop5h 14m
Fri 12/116:35 pm -
1 stop5h 24m
Deal found 11/3![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 11/1. 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.
Sun 1/106:00 am -
1 stop5h 46m
Thu 1/146:23 pm -
1 stop6h 35m
Deal found 11/1![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/95:00 am -
1 stop7h 27m
Sat 12/126:30 am -
1 stop7h 04m
Deal found 11/4![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 11/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/91:30 pm -
2 stops7h 05m
Sat 12/122:15 pm -
1 stop7h 45m
Deal found 11/4![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 12/106:00 am -
1 stop4h 38m
Sun 12/136:16 pm -
1 stop6h 41m
Deal found 11/1![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 12/86:00 am -
1 stop7h 13m
Wed 12/910:27 am -
1 stop6h 38m
Deal found 11/3![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 11/4. 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 4/195:05 pm -
1 stop5h 02m
Sat 4/246:10 pm -
1 stop6h 38m
Deal found 11/4![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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.
Sat 1/306:00 am -
1 stop8h 28m
Tue 2/24:08 pm -
1 stop7h 35m
Deal found 11/1![Alaska Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 11/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:45 am -
2 stops8h 05m
Sun 12/137:55 am -
2 stops8h 30m
Deal found 11/3![Southwest logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 1/276:00 am -
1 stop8h 28m
Sat 1/304:08 pm -
1 stop7h 35m
Deal found 11/3![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 11/1. 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 12/46:00 am -
1 stop5h 39m
Tue 12/86:19 pm -
1 stop6h 38m
Deal found 11/1![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/35:00 am -
1 stop7h 24m
Mon 12/72:33 pm -
1 stop7h 38m
Deal found 11/1![United Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 11/4. 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.
Sat 12/196:00 am -
1 stop4h 42m
Sun 12/206:16 pm -
1 stop6h 43m
Deal found 11/4![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 2/184:00 pm -
1 stop6h 59m
Mon 2/224:48 pm -
1 stop25h 54m
Deal found 11/1![Alaska Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/181:29 pm -
1 stop6h 45m
Sun 11/224:00 pm -
1 stop5h 51m
Deal found 11/3![United Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 11/2. 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 12/97:00 am -
2 stops9h 11m
Wed 1/276:10 pm -
1 stop6h 47m
Deal found 11/2![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 11/1. 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 12/97:00 am -
2 stops9h 11m
Wed 2/176:10 pm -
1 stop6h 43m
Deal found 11/1![Delta logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 12/145:01 pm -
1 stop5h 32m
Mon 12/212:53 pm -
1 stop8h 21m
Deal found 11/5![Alaska Airlines logo]()
$402
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/45:00 am -
1 stop12h 36m
Wed 1/209:30 am -
1 stop28h 10m
Deal found 11/5![United Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 11/1. 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 2/56:00 am -
1 stop5h 32m
Sun 2/71:12 pm -
1 stop4h 15m
Deal found 11/1![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Sat 2/276:00 am -
1 stop8h 31m
Tue 3/24:08 pm -
1 stop7h 31m
Deal found 11/3![Alaska Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/121:40 pm -
1 stop27h 56m
Wed 1/209:30 am -
1 stop12h 30m
Deal found 11/4![United Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 11/2. 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.
Tue 11/176:00 am -
1 stop4h 31m
Sat 11/216:17 pm -
1 stop4h 59m
Deal found 11/2![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 2/55:57 pm -
2 stops21h 34m
Sun 2/75:08 pm -
1 stop6h 35m
Deal found 11/1![Alaska Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/91:40 pm -
1 stop27h 56m
Wed 1/209:30 am -
1 stop12h 30m
Deal found 11/5![United Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 11/5. 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.
Sun 12/136:00 am -
1 stop5h 09m
Sun 12/206:39 pm -
1 stop6h 20m
Deal found 11/5![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/91:40 pm -
1 stop27h 56m
Wed 1/279:30 am -
1 stop28h 10m
Deal found 11/2![United Airlines logo]()
$530
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 1/117:20 am -
1 stop4h 51m
Tue 1/197:57 pm -
2 stops23h 13m
Deal found 11/3![Alaska Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 11/4. 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 12/77:00 am -
2 stops9h 11m
Sat 1/236:10 pm -
1 stop5h 00m
Deal found 11/4![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/91:40 pm -
1 stop27h 56m
Wed 2/179:30 am -
1 stop12h 47m
Deal found 11/1![United Airlines logo]()
$530
Last-minute flights from Ontario to MontanaDiscover last-minute flight deals from Ontario to Montana. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Montana. Data last updated November 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 11/185:07 pm -
1 stop15h 31m
Sun 11/2210:28 am -
1 stop21h 52m
Deal found 11/2![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 11/2010:55 am -
1 stop5h 12m
Fri 11/2712:57 pm -
1 stop7h 39m
Deal found 11/2![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/2410:40 pm -
1 stop21h 41m
Mon 11/3010:57 am -
1 stop26h 42m
Deal found 11/3![Multiple Airlines logo]()
$269
This flugladen.de deal was found by Cheapflights users on 11/2. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:01 pm -
1 stop5h 32m
Mon 12/710:27 am -
1 stop6h 38m
Deal found 11/2![Alaska Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 11/1. 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 12/46:00 am -
1 stop5h 39m
Tue 12/86:19 pm -
1 stop6h 38m
Deal found 11/1![Delta logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 12/86:00 am -
1 stop7h 13m
Wed 12/910:27 am -
1 stop6h 38m
Deal found 11/2![Alaska Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Wed 12/911:00 am -
1 stop21h 39m
Sun 12/1310:29 am -
1 stop26h 22m
Deal found 11/4![Multiple Airlines logo]()
$219
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/96:00 am -
1 stop5h 14m
Fri 12/116:35 pm -
1 stop5h 24m
Deal found 11/2![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/95:00 am -
1 stop7h 27m
Sat 12/126:30 am -
1 stop7h 04m
Deal found 11/4![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 11/5. 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.
Sat 12/196:00 am -
1 stop4h 42m
Sun 12/2012:36 pm -
1 stop4h 34m
Deal found 11/5![Delta logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 12/2510:48 pm -
1 stop14h 19m
Sun 1/34:54 pm -
2 stops28h 48m
Deal found 11/4![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Fri 12/2510:48 pm -
1 stop14h 19m
Sat 1/22:57 pm -
1 stop7h 59m
Deal found 11/5![Multiple Airlines logo]()
$344
One-way flights from Ontario to MontanaSearch for one-way flight options from Ontario to Montana. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
Search for one-way flight options from Ontario to Montana. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This WAYA deal was found by Cheapflights users on 11/5. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:01 pm -
1 stop18h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$123
This Delta deal was found by Cheapflights users on 11/3. 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 12/216:00 am -
1 stop4h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$174
This Delta deal was found by Cheapflights users on 11/5. 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.
Thu 12/36:00 am -
1 stop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$178
This Trip.com deal was found by Cheapflights users on 11/1. 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.
Wed 11/116:00 am -
1 stop7h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Alaska Airlines logo]()
$180
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/96:00 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Alaska Airlines logo]()
$181
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:59 pm -
1 stop14h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Alaska Airlines logo]()
$181
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/238:59 pm -
1 stop11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$183
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:46 pm -
1 stop17h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Alaska Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 11/2. 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 12/216:00 am -
1 stop5h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$185
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 11/126:00 am -
1 stop7h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Alaska Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 11/4. 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 11/205:04 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$186
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/38:46 pm -
1 stop17h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Alaska Airlines logo]()
$188
Find flight deals from Ontario to Montana
Keep the following information in mind while searching for Ontario to Montana flight deals. Data was last updated November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (Kiwi.com) |
One-way from | $174 (Delta) |
Popular in | September |
Cheapest in | January |
Average price | $369 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Montana 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 November 5, 2026.
Use the filters below to find and compare flights from Ontario to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Thu 12/17
6:00 am-11:38 am
1 stop4h 38m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Tue 2/16
6:00 am-12:14 pm
1 stop5h 14m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sun 1/3
5:05 pm-10:51 pm
1 stop4h 46m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Mon 12/21
6:00 am-11:42 am
1 stop4h 42m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Thu 1/7
4:29 pm-11:07 pm
1 stop5h 38m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Fri 11/27
6:00 am-11:31 am
1 stop4h 31m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$179
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Wed 12/9
6:00 am-2:13 pm
1 stop7h 13m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$181
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Thu 12/24
3:59 pm-10:50 pm
1 stop5h 51m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$181
OntarioHelena
ONT Ontario - HLN Helena
ONTHLN
Ontario
Mon 12/21
6:00 am-12:30 pm
1 stop5h 30m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Thu 11/12
6:00 am-2:14 pm
1 stop7h 14m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Ontario with our price prediction graph.
ONT-FCA
ONT-BZN
ONT-GTF
ONT-MSO
ONT-HLN
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 Montana
ONT-USMT
ONT-FCA
ONT-BZN
ONT-GTF
ONT-MSO
What is the cheapest month to book a flight from Ontario to Montana?
Currently, February is the cheapest month in which you can book a flight from Ontario to Montana (average of $294). Flying from Ontario to Montana in July is currently the most expensive (average of $494). 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.
Reviews of airlines servicing Montana
Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated November 5, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Ontario to Montana have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Montana
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Montana by cabin class
Find flights from Ontario to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Montana flights
Browse other Ontario and Montana flight options. Last updated on November 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Montana flights
Consider these flights traveling from Ontario to Montana.
Top 4 airlines flying from Ontario to Montana
Discover the top 4 airlines that operate flights from Ontario to Montana. 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 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$431 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$395 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$412 | FlexibilityNo cancel fee | On-time63% |