$109+ Cheap flights from Ontario (ONT) to Montana
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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BZN
Sep 12 — Sep 191
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 August 13, 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 August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 10/128:00 am -
1 stop10h 18m
Mon 10/198:08 pm -
1 stop15h 13m
Deal found 8/11![Multiple Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 8/12. 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.
Tue 9/11:50 pm -
1 stop7h 35m
Wed 9/26:55 am -
1 stop6h 45m
Deal found 8/12![Southwest logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Thu 9/242:30 pm -
1 stop5h 22m
Sun 9/279:42 pm -
1 stop10h 22m
Deal found 8/11![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sun 10/111:38 pm -
1 stop28h 40m
Mon 10/198:08 pm -
1 stop15h 13m
Deal found 8/11![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/218:00 am -
1 stop10h 56m
Fri 9/258:33 pm -
1 stop21h 01m
Deal found 8/12![Multiple Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 8/13. 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 10/79:45 am -
1 stop7h 05m
Fri 10/95:30 am -
1 stop4h 25m
Deal found 8/13![Delta logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Thu 10/159:12 pm -
1 stop18h 59m
Mon 10/198:08 pm -
1 stop15h 13m
Deal found 8/11![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 10/128:00 am -
1 stop10h 18m
Fri 10/2310:22 am -
1 stop24h 59m
Deal found 8/11![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sun 10/118:35 pm -
1 stop21h 43m
Fri 10/2310:22 am -
1 stop24h 59m
Deal found 8/11![Multiple Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 8/10. 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.
Sun 9/63:35 pm -
1 stop6h 55m
Thu 9/103:30 pm -
1 stop7h 45m
Deal found 8/10![Southwest logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sun 9/208:24 pm -
1 stop22h 32m
Fri 9/258:33 pm -
1 stop13h 36m
Deal found 8/12![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/178:00 am -
1 stop11h 52m
Sun 9/209:42 pm -
2 stops22h 54m
Deal found 8/12![Multiple Airlines logo]()
$277
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 August 13, 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 August 13, 2026.
This Southwest deal was found by Cheapflights users on 8/10. 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.
Sun 9/63:35 pm -
1 stop6h 55m
Thu 9/103:30 pm -
1 stop7h 45m
Deal found 8/10![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 8/9. 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 9/206:00 am -
1 stop4h 47m
Wed 9/306:00 pm -
1 stop6h 47m
Deal found 8/9![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 10/1011:13 am -
1 stop6h 52m
Thu 10/157:45 pm -
1 stop4h 57m
Deal found 8/11![Alaska Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/11:18 pm -
1 stop7h 01m
Sat 9/56:30 am -
1 stop7h 20m
Deal found 8/11![United Airlines logo]()
$317
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:12 am -
2 stops11h 32m
Tue 10/67:35 am -
2 stops11h 25m
Deal found 8/10![Multiple Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 8/8. 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 11/66:00 am -
1 stop4h 37m
Sun 11/86:13 pm -
1 stop6h 42m
Deal found 8/8![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 10/57:25 am -
1 stop4h 58m
Fri 10/167:45 pm -
1 stop4h 57m
Deal found 8/9![Alaska Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/11. 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 8/315:00 am -
1 stop7h 24m
Fri 9/44:32 pm -
1 stop5h 23m
Deal found 8/11![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 8/10. 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 9/215:15 pm -
1 stop4h 39m
Mon 9/285:30 am -
1 stop4h 32m
Deal found 8/10![Delta logo]()
$333
This Priceline deal was found by Cheapflights users on 8/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:14 pm -
1 stop6h 45m
Thu 9/177:03 am -
1 stop8h 13m
Deal found 8/8![Alaska Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/241:18 pm -
1 stop7h 01m
Mon 8/314:25 pm -
1 stop7h 34m
Deal found 8/13![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 8/10. 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 8/245:05 pm -
1 stop5h 59m
Tue 8/256:00 am -
1 stop3h 52m
Deal found 8/10![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 8/9. 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 10/115:00 am -
1 stop7h 28m
Sat 10/174:17 pm -
1 stop7h 34m
Deal found 8/9![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 10/317:25 am -
1 stop6h 39m
Tue 11/33:32 pm -
1 stop7h 17m
Deal found 8/10![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/9. 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 8/295:05 pm -
1 stop3h 58m
Sun 8/306:00 am -
1 stop3h 52m
Deal found 8/9![Delta logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 10/77:25 am -
1 stop4h 58m
Thu 10/157:45 pm -
1 stop4h 57m
Deal found 8/9![Alaska Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/11. 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 8/305:00 am -
1 stop7h 24m
Fri 9/44:32 pm -
1 stop5h 23m
Deal found 8/11![United Airlines logo]()
$394
This Priceline deal was found by Cheapflights users on 8/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:15 am -
1 stop5h 10m
Sun 11/86:30 am -
1 stop5h 48m
Deal found 8/8![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 8/10. 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 8/245:05 pm -
1 stop5h 59m
Mon 8/311:00 pm -
1 stop4h 24m
Deal found 8/10![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/10. 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 1/295:00 am -
1 stop7h 28m
Tue 2/24:22 pm -
1 stop4h 58m
Deal found 8/10![United Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 12/812:00 pm -
1 stop26h 31m
Sat 12/124:08 pm -
1 stop7h 31m
Deal found 8/12![Alaska Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 8/9. 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 9/105:15 pm -
1 stop4h 19m
Sun 9/135:20 am -
1 stop4h 42m
Deal found 8/9![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/51:18 pm -
1 stop7h 01m
Thu 9/106:30 am -
1 stop7h 20m
Deal found 8/8![United Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 9/143:14 pm -
1 stop6h 45m
Sat 9/197:03 am -
2 stops9h 44m
Deal found 8/9![Alaska Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/259:01 am -
1 stop5h 20m
Fri 8/284:17 pm -
1 stop7h 42m
Deal found 8/10![United Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 8/263:07 pm -
1 stop7h 22m
Mon 8/316:14 am -
1 stop5h 50m
Deal found 8/12![Alaska Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 8/11. 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 8/266:08 am -
2 stops10h 05m
Wed 9/25:00 am -
2 stops14h 16m
Deal found 8/11![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/101:18 pm -
1 stop6h 42m
Wed 9/165:00 am -
2 stops8h 12m
Deal found 8/11![United Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 8/10. 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 8/246:00 am -
1 stop5h 27m
Wed 8/261:09 pm -
1 stop4h 15m
Deal found 8/10![Delta logo]()
$514
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 1/67:30 am -
1 stop5h 06m
Thu 1/71:15 pm -
1 stop5h 00m
Deal found 8/8![Alaska Airlines logo]()
$429
Last-minute flights from Ontario to MontanaDiscover last-minute flight deals from Ontario to Montana. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Montana. Data last updated August 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/315:00 am -
1 stop7h 24m
Thu 9/104:32 pm -
1 stop5h 21m
Deal found 8/10![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 8/12. 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.
Tue 9/11:50 pm -
1 stop7h 35m
Wed 9/26:55 am -
1 stop6h 45m
Deal found 8/12![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 8/10. 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 9/16:00 am -
1 stop5h 05m
Wed 9/91:08 pm -
1 stop4h 27m
Deal found 8/10![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 8/11. 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 9/15:05 pm -
1 stop3h 58m
Sat 9/125:55 pm -
1 stop5h 09m
Deal found 8/11![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 8/11. 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 9/26:00 am -
1 stop5h 27m
Wed 9/911:29 am -
1 stop6h 06m
Deal found 8/11![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 8/10. 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.
Sun 9/63:35 pm -
1 stop6h 55m
Thu 9/103:30 pm -
1 stop7h 45m
Deal found 8/10![Southwest logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/178:00 am -
1 stop11h 52m
Sun 9/209:42 pm -
2 stops22h 54m
Deal found 8/12![Multiple Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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 9/173:14 pm -
1 stop6h 45m
Tue 9/222:21 pm -
1 stop5h 42m
Deal found 8/12![Alaska Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sun 9/208:24 pm -
1 stop22h 32m
Fri 9/258:33 pm -
1 stop13h 36m
Deal found 8/12![Multiple Airlines logo]()
$273
This Delta deal was found by Cheapflights users on 8/9. 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 9/206:00 am -
1 stop4h 47m
Wed 9/306:00 pm -
1 stop6h 47m
Deal found 8/9![Delta logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/218:00 am -
1 stop10h 56m
Fri 9/258:33 pm -
1 stop21h 01m
Deal found 8/12![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Thu 9/242:30 pm -
1 stop5h 22m
Sun 9/279:42 pm -
1 stop10h 22m
Deal found 8/11![Multiple Airlines logo]()
$218
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 August 13, 2026.
Search for one-way flight options from Ontario to Montana. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Delta deal was found by Cheapflights users on 8/12. 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 9/125:15 pm -
1 stop4h 16m
Deal found 8/12![Delta logo]()
$109
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Thu 9/248:00 am -
1 stop11h 52m
Deal found 8/13![Multiple Airlines logo]()
$110
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Thu 9/178:00 am -
1 stop11h 52m
Deal found 8/13![Multiple Airlines logo]()
$113
This Trip.com deal was found by Cheapflights users on 8/8. 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.
Sun 9/138:00 am -
1 stop11h 52m
Deal found 8/8![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 10/128:00 am -
1 stop10h 18m
Deal found 8/11![Multiple Airlines logo]()
$122
This Trip.com deal was found by Cheapflights users on 8/8. 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.
Thu 9/108:00 am -
1 stop8h 54m
Deal found 8/8![Multiple Airlines logo]()
$134
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:02 am -
1 stop7h 44m
Deal found 8/10![Alaska Airlines logo]()
$144
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/159:01 am -
1 stop5h 20m
Deal found 8/9![United Airlines logo]()
$144
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/15:00 am -
1 stop7h 24m
Deal found 8/13![United Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 8/12. 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 10/229:45 am -
1 stop6h 48m
Deal found 8/12![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 8/8. 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 8/236:00 am -
1 stop4h 09m
Deal found 8/8![Delta logo]()
$155
This United Airlines deal was found by Cheapflights users on 8/11. 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 9/231:18 pm -
1 stop7h 01m
Deal found 8/11![United Airlines logo]()
$159
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $215 (Kiwi.com) |
One-way from | $109 (Delta) |
Popular in | May |
Cheapest in | January |
Average price | $395 |
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 2,558,603 searches. Data last updated August 13, 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
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Sun 9/6
3:35 pm-11:30 pm
1 stop6h 55m
Bozeman Gallatin Field
Thu 9/10
3:30 pm-10:15 pm
1 stop7h 45m
$267
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sun 9/20
6:00 am-11:47 am
1 stop4h 47m
Kalispell Glacier Park
Wed 9/30
6:00 pm-11:47 pm
1 stop6h 47m
$287
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Fri 11/6
6:00 am-11:37 am
1 stop4h 37m
Kalispell Glacier Park
Sun 11/8
6:13 pm-11:55 pm
1 stop6h 42m
$313
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sat 10/10
11:13 am-7:05 pm
1 stop6h 52m
Kalispell Glacier Park
Thu 10/15
7:45 pm-11:42 pm
1 stop4h 57m
$314
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Tue 9/1
1:18 pm-9:19 pm
1 stop7h 01m
Bozeman Gallatin Field
Sat 9/5
6:30 am-12:50 pm
1 stop7h 20m
$317
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Mon 9/21
5:15 pm-10:54 pm
1 stop4h 39m
Kalispell Glacier Park
Mon 9/28
5:30 am-9:02 am
1 stop4h 32m
$333
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Mon 10/5
7:25 am-1:23 pm
1 stop4h 58m
Kalispell Glacier Park
Fri 10/16
7:45 pm-11:42 pm
1 stop4h 57m
$339
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Mon 8/24
5:05 pm-12:04 am
1 stop5h 59m
Bozeman Gallatin Field
Tue 8/25
6:00 am-8:52 am
1 stop3h 52m
$341
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Mon 8/31
5:00 am-1:24 pm
1 stop7h 24m
Bozeman Gallatin Field
Fri 9/4
4:32 pm-8:55 pm
1 stop5h 23m
$342
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Sun 9/13
3:14 pm-10:59 pm
1 stop6h 45m
Bozeman Gallatin Field
Thu 9/17
7:03 am-2:16 pm
1 stop8h 13m
$349
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-BZN
ONT-FCA
ONT-WYS
ONT-BIL
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-BZN
ONT-FCA
ONT-WYS
ONT-BIL
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.
How much does it cost to fly round-trip from Ontario to Montana?
Airfare is below average for this route at the moment.
Ontario to Montana flights typically cost between $270 and $400 in September.The cheapest round-trip price found within the last 5 days was $217 on Southwest (Sep 1-Sep 2).
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 August 13, 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.
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
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 August 13, 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 2,558,603 searches. Data last updated August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$429 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$412 | FlexibilityNo cancel fee | On-time63% |