$151+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BZN
Sep 30 — Oct 71
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 31, 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 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/3010:04 am -
1 stop26h 46m
Sun 10/46:05 pm -
1 stop18h 17m
Deal found 8/27![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 23m
Deal found 8/28![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/302:30 pm -
1 stop17h 36m
Sun 10/412:01 pm -
1 stop24h 21m
Deal found 8/29![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/22:30 pm -
1 stop6h 02m
Mon 10/510:20 pm -
1 stop11h 49m
Deal found 8/29![Multiple Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 8/26. 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 10/256:00 am -
1 stop4h 37m
Fri 10/305:30 am -
1 stop4h 25m
Deal found 8/26![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 8/27. 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 9/285:15 pm -
1 stop4h 39m
Fri 10/25:30 am -
1 stop4h 32m
Deal found 8/27![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 8/29. 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 10/245:03 pm -
1 stop4h 26m
Fri 10/307:15 am -
1 stop6h 21m
Deal found 8/29![Delta logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 12/410:05 am -
1 stop5h 20m
Sun 12/69:47 pm -
1 stop9h 28m
Deal found 8/26![Multiple Airlines logo]()
$328
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:14 pm -
1 stop6h 42m
Wed 9/238:21 pm -
1 stop15h 55m
Deal found 8/27![Alaska Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 8/31. 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 10/155:03 pm -
1 stop6h 24m
Mon 10/195:30 am -
1 stop4h 25m
Deal found 8/31![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/295:00 am -
1 stop7h 28m
Sat 10/32:30 pm -
1 stop7h 28m
Deal found 8/28![United Airlines logo]()
$338
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 11/107:15 am -
1 stop4h 55m
Wed 11/1110:27 am -
1 stop5h 46m
Deal found 8/27![Alaska Airlines logo]()
$339
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 31, 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 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 10/22:30 pm -
1 stop6h 02m
Mon 10/510:20 pm -
1 stop11h 49m
Deal found 8/29![Multiple Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/175:00 am -
1 stop7h 28m
Thu 10/292:36 pm -
1 stop7h 15m
Deal found 8/30![United Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 8/28. 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 10/246:00 am -
1 stop4h 37m
Sun 11/16:13 pm -
1 stop4h 58m
Deal found 8/28![Delta logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 1/307:00 am -
1 stop8h 23m
Wed 2/35:00 pm -
1 stop6h 41m
Deal found 8/29![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 8/29. 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.
Sat 10/33:10 pm -
1 stop4h 35m
Sat 10/109:40 am -
2 stops7h 00m
Deal found 8/29![Southwest logo]()
$390
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:14 pm -
1 stop6h 42m
Wed 9/238:21 pm -
1 stop15h 55m
Deal found 8/26![Alaska Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 8/29. 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 9/286:00 am -
1 stop5h 03m
Sun 10/46:00 am -
1 stop4h 02m
Deal found 8/29![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 8/28. 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 10/31:22 pm -
1 stop6h 42m
Sat 10/104:22 pm -
1 stop7h 29m
Deal found 8/28![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/29. 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 10/15:15 pm -
1 stop6h 04m
Tue 10/65:30 am -
1 stop4h 25m
Deal found 8/29![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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 10/106:02 am -
1 stop5h 21m
Thu 10/157:45 pm -
1 stop4h 57m
Deal found 8/27![Alaska Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 8/28. 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 11/226:30 am -
1 stop7h 55m
Wed 11/2511:05 am -
1 stop7h 45m
Deal found 8/28![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/35:00 am -
1 stop7h 30m
Fri 10/92:05 pm -
1 stop7h 53m
Deal found 8/26![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 9/206:02 am -
1 stop5h 18m
Wed 9/308:21 pm -
1 stop15h 55m
Deal found 8/29![Alaska Airlines logo]()
$368
This KAYAK deal was found by Cheapflights users on 8/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:15 am -
2 stops24h 43m
Thu 11/197:35 am -
2 stops16h 31m
Deal found 8/29![Multiple Airlines logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 11/117:15 am -
1 stop6h 37m
Sat 11/1411:55 am -
1 stop7h 22m
Deal found 8/26![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/27. 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 14m
Wed 9/1612:57 pm -
2 stops10h 43m
Deal found 8/27![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/275:00 am -
1 stop7h 31m
Sat 10/34:22 pm -
1 stop7h 29m
Deal found 8/27![United Airlines logo]()
$420
This KAYAK deal was found by Cheapflights users on 8/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:15 am -
2 stops11h 29m
Thu 11/197:35 am -
2 stops16h 31m
Deal found 8/29![Multiple Airlines logo]()
$495
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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 11/77:15 am -
1 stop5h 00m
Wed 11/111:55 pm -
1 stop5h 22m
Deal found 8/28![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 8/29. 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 9/306:00 pm -
2 stops29h 19m
Sun 10/46:00 am -
1 stop4h 02m
Deal found 8/29![Delta logo]()
$412
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/125:00 am -
1 stop7h 31m
Fri 10/164:22 pm -
1 stop7h 29m
Deal found 8/27![United Airlines logo]()
$420
This Booking.com deal was found by Cheapflights users on 8/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:13 pm -
1 stop8h 37m
Fri 10/233:44 pm -
1 stop9h 10m
Deal found 8/28![Alaska Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 8/27. 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 9/276:00 am -
1 stop4h 47m
Sun 10/45:30 am -
1 stop4h 32m
Deal found 8/27![Delta logo]()
$423
This KAYAK deal was found by Cheapflights users on 8/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:15 am -
2 stops24h 43m
Thu 11/199:25 am -
2 stops14h 41m
Deal found 8/29![Multiple Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 8/29. 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 1/3011:20 am -
2 stops9h 18m
Wed 2/38:40 am -
2 stops12h 46m
Deal found 8/29![United Airlines logo]()
$444
This Priceline deal was found by Cheapflights users on 8/26. 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.
Thu 2/1112:00 pm -
1 stop5h 32m
Tue 2/163:00 pm -
1 stop8h 39m
Deal found 8/26![Alaska Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 8/28. 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 9/165:15 pm -
1 stop4h 19m
Sat 9/266:33 pm -
1 stop4h 31m
Deal found 8/28![Delta logo]()
$430
This KAYAK deal was found by Cheapflights users on 8/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:15 am -
2 stops11h 29m
Tue 11/179:25 am -
2 stops9h 52m
Deal found 8/29![Multiple Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 8/27. 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 10/19:52 am -
1 stop6h 26m
Fri 10/95:30 am -
1 stop4h 25m
Deal found 8/27![Delta logo]()
$434
This KAYAK deal was found by Cheapflights users on 8/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:09 pm -
2 stops23h 23m
Wed 11/189:25 am -
2 stops9h 52m
Deal found 8/29![Multiple Airlines logo]()
$538
Last-minute flights from Ontario to MontanaDiscover last-minute flight deals from Ontario to Montana. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Montana. Data last updated August 31, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/27. 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 9/66:00 am -
1 stop5h 05m
Sun 9/136:00 am -
1 stop4h 02m
Deal found 8/27![Delta logo]()
$345
This Booking.com deal was found by Cheapflights users on 8/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:12 pm -
1 stop9h 47m
Sat 9/1210:34 am -
1 stop9h 29m
Deal found 8/30![Alaska Airlines logo]()
$349
This Expedia deal was found by Cheapflights users on 8/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:12 pm -
1 stop9h 47m
Sat 9/267:03 am -
1 stop8h 13m
Deal found 8/27![Alaska Airlines logo]()
$340
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:14 pm -
1 stop6h 42m
Wed 9/238:21 pm -
1 stop15h 55m
Deal found 8/27![Alaska Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/206:15 am -
2 stops34h 09m
Thu 9/249:42 pm -
1 stop14h 40m
Deal found 8/27![Multiple Airlines logo]()
$353
This Priceline deal was found by Cheapflights users on 8/26. 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 9/223:14 pm -
1 stop6h 45m
Sat 9/267:03 am -
1 stop8h 13m
Deal found 8/26![Alaska Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/27. 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 9/276:00 am -
1 stop4h 47m
Thu 10/86:13 pm -
1 stop6h 42m
Deal found 8/27![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 8/27. 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 9/285:15 pm -
1 stop4h 39m
Fri 10/25:30 am -
1 stop4h 32m
Deal found 8/27![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 8/29. 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 9/285:15 pm -
1 stop6h 04m
Mon 10/56:00 am -
1 stop4h 02m
Deal found 8/29![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/295:00 am -
1 stop7h 28m
Sat 10/32:30 pm -
1 stop7h 28m
Deal found 8/28![United Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/3010:04 am -
1 stop26h 46m
Sun 10/46:05 pm -
1 stop18h 17m
Deal found 8/27![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/302:30 pm -
1 stop17h 36m
Sun 10/412:01 pm -
1 stop24h 21m
Deal found 8/29![Multiple Airlines logo]()
$292
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 31, 2026.
Search for one-way flight options from Ontario to Montana. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/258:00 am -
1 stop7h 21m
Deal found 8/28![Multiple Airlines logo]()
$151
This Delta deal was found by Cheapflights users on 8/30. 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 10/25:15 pm -
1 stop4h 39m
Deal found 8/30![Delta logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/32:30 pm -
1 stop25h 45m
Deal found 8/26![Multiple Airlines logo]()
$158
This Trip.com deal was found by Cheapflights users on 8/26. 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 59m
Deal found 8/26![Multiple Airlines logo]()
$163
This flugladen.de deal was found by Cheapflights users on 8/27. 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.
Sat 9/263:14 pm -
1 stop6h 45m
Deal found 8/27![Alaska Airlines logo]()
$163
This Trip.com deal was found by Cheapflights users on 8/27. 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.
Mon 9/287:12 am -
1 stop5h 12m
Deal found 8/27![Alaska Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 8/28. 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 9/285:15 pm -
1 stop4h 09m
Deal found 8/28![Delta logo]()
$165
This Priceline deal was found by Cheapflights users on 8/31. 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 9/2912:12 pm -
1 stop5h 37m
Deal found 8/31![Alaska Airlines logo]()
$168
This Delta deal was found by Cheapflights users on 8/30. 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 12/256:00 am -
1 stop5h 20m
Deal found 8/30![Delta logo]()
$171
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:56 pm -
1 stop13h 44m
Deal found 8/26![Alaska Airlines logo]()
$175
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:56 pm -
1 stop13h 44m
Deal found 8/26![Alaska Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/136:15 am -
2 stops34h 09m
Deal found 8/30![Multiple Airlines logo]()
$194
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 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $282 (Kiwi.com) |
One-way from | $151 (Kiwi.com) |
Popular in | September |
Cheapest in | January |
Average price | $400 |
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 August 31, 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
OntarioBillings
ONT Ontario - BIL Billings Logan Intl
ONTBIL
Ontario
Fri 10/2
2:30 pm-9:32 pm
1 stop6h 02m
Billings Logan Intl
Mon 10/5
10:20 pm-9:09 am
1 stop11h 49m
$305
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sat 10/17
5:00 am-1:28 pm
1 stop7h 28m
Kalispell Glacier Park
Thu 10/29
2:36 pm-8:51 pm
1 stop7h 15m
$307
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sat 10/24
6:00 am-11:37 am
1 stop4h 37m
Kalispell Glacier Park
Sun 11/1
6:13 pm-10:11 pm
1 stop4h 58m
$318
OntarioHelena
ONT Ontario - HLN Helena
ONTHLN
Ontario
Sat 1/30
7:00 am-4:23 pm
1 stop8h 23m
Helena
Wed 2/3
5:00 pm-10:41 pm
1 stop6h 41m
$329
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sat 9/19
3:14 pm-10:56 pm
1 stop6h 42m
Kalispell Glacier Park
Wed 9/23
8:21 pm-11:16 am
1 stop15h 55m
$334
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Mon 9/28
6:00 am-12:03 pm
1 stop5h 03m
Bozeman Gallatin Field
Sun 10/4
6:00 am-9:02 am
1 stop4h 02m
$341
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Sat 10/3
1:22 pm-9:04 pm
1 stop6h 42m
Bozeman Gallatin Field
Sat 10/10
4:22 pm-10:51 pm
1 stop7h 29m
$341
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Thu 10/1
5:15 pm-12:19 am
1 stop6h 04m
Bozeman Gallatin Field
Tue 10/6
5:30 am-8:55 am
1 stop4h 25m
$360
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sat 10/10
6:02 am-12:23 pm
1 stop5h 21m
Kalispell Glacier Park
Thu 10/15
7:45 pm-11:42 pm
1 stop4h 57m
$368
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sun 9/20
6:02 am-12:20 pm
1 stop5h 18m
Kalispell Glacier Park
Wed 9/30
8:21 pm-11:16 am
1 stop15h 55m
$368
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-MSO
ONT-FCA
ONT-BZN
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-MSO
ONT-FCA
ONT-BZN
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 $310 and $427 in September.The cheapest round-trip price found within the last 5 days was $292 on Multiple Airlines (Sep 30-Oct 4).
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 31, 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.
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
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 31, 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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$428 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$408 | FlexibilityNo cancel fee | On-time63% |