$103+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BZN
Oct 10 — Oct 171
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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 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 9/8![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:25 pm -
1 stop21h 58m
Sun 10/258:39 pm -
1 stop11h 25m
Deal found 9/10![Multiple Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 9/7. 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 10/156:20 am -
1 stop7h 34m
Sat 10/173:34 pm -
1 stop8h 09m
Deal found 9/7![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/275:00 am -
1 stop7h 34m
Sat 11/72:36 pm -
1 stop7h 15m
Deal found 9/9![United Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 9/7. 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 10/146:20 am -
1 stop7h 34m
Fri 10/163:34 pm -
2 stops22h 02m
Deal found 9/7![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 9/7. 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 10/146:20 am -
2 stops17h 07m
Wed 10/211:12 pm -
2 stops10h 31m
Deal found 9/7![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am -
1 stop7h 33m
Wed 9/303:26 pm -
1 stop8h 11m
Deal found 9/6![American Airlines logo]()
$318
This Trip.com deal was found by Cheapflights users on 9/8. 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 10/2911:13 am -
1 stop6h 39m
Wed 11/43:32 pm -
1 stop7h 17m
Deal found 9/8![Alaska Airlines logo]()
$319
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:56 pm -
1 stop13h 44m
Mon 10/1910:20 am -
1 stop14h 22m
Deal found 9/10![Alaska Airlines logo]()
$321
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:30 pm -
1 stop20h 34m
Mon 11/25:12 pm -
1 stop6h 54m
Deal found 9/8![Alaska Airlines logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/1411:13 am -
1 stop6h 06m
Fri 10/166:59 pm -
1 stop16h 18m
Deal found 9/7![Alaska Airlines logo]()
$322
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:02 am -
1 stop5h 21m
Fri 10/307:45 pm -
1 stop4h 57m
Deal found 9/9![Alaska Airlines logo]()
$325
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 September 10, 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 September 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 1/114:16 pm -
1 stop5h 41m
Tue 1/197:37 pm -
1 stop16h 01m
Deal found 9/5![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 11/196:00 am -
1 stop5h 05m
Mon 11/233:08 pm -
1 stop8h 52m
Deal found 9/10![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/6. 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 11/95:00 am -
1 stop7h 01m
Sun 11/155:00 am -
2 stops8h 29m
Deal found 9/6![United Airlines logo]()
$334
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:30 pm -
1 stop20h 34m
Mon 11/25:12 pm -
1 stop6h 54m
Deal found 9/8![Alaska Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 11/125:04 pm -
1 stop6h 15m
Mon 11/161:00 pm -
2 stops11h 00m
Deal found 9/10![Delta logo]()
$326
This United Airlines deal was found by Cheapflights users on 9/9. 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 1/2611:20 am -
2 stops8h 59m
Wed 2/32:42 pm -
1 stop6h 38m
Deal found 9/9![United Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/32:13 pm -
1 stop7h 56m
Sat 10/107:24 am -
1 stop27h 53m
Deal found 9/6![Alaska Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/155:03 pm -
1 stop6h 24m
Mon 10/195:30 am -
1 stop4h 25m
Deal found 9/8![Delta logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 1/307:00 am -
1 stop8h 23m
Wed 2/35:00 pm -
1 stop6h 41m
Deal found 9/9![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/9. 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 9/201:04 pm -
1 stop3h 51m
Wed 9/236:00 am -
1 stop4h 02m
Deal found 9/9![Delta logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/85:00 am -
1 stop7h 30m
Sun 10/112:05 pm -
1 stop7h 53m
Deal found 9/5![United Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 11/74:09 pm -
1 stop6h 50m
Wed 11/111:55 pm -
1 stop5h 22m
Deal found 9/6![Alaska Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 9/9. 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 11/266:00 am -
1 stop4h 31m
Tue 12/16:16 pm -
1 stop6h 42m
Deal found 9/9![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 10/295:00 am -
1 stop7h 34m
Sat 12/52:42 pm -
1 stop6h 38m
Deal found 9/8![United Airlines logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 11/107:15 am -
1 stop4h 55m
Wed 11/1110:27 am -
1 stop5h 46m
Deal found 9/9![Alaska Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 10/55:00 am -
1 stop7h 31m
Sat 10/174:30 pm -
1 stop5h 28m
Deal found 9/8![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 9/7. 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 12/186:00 am -
1 stop5h 09m
Mon 12/216:39 pm -
1 stop6h 20m
Deal found 9/7![Delta logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 9/7![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 10/275:03 pm -
1 stop4h 54m
Sat 11/712:28 pm -
2 stops11h 15m
Deal found 9/9![Delta logo]()
$390
This United Airlines deal was found by Cheapflights users on 9/8. 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 1/305:00 am -
1 stop6h 53m
Wed 2/31:28 pm -
1 stop7h 52m
Deal found 9/8![United Airlines logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 9/6![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 9/7. 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 10/206:00 am -
1 stop4h 37m
Tue 10/2712:28 pm -
2 stops11h 15m
Deal found 9/7![Delta logo]()
$390
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/105:00 am -
1 stop7h 30m
Sun 10/112:05 pm -
1 stop7h 53m
Deal found 9/8![United Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/232:13 pm -
1 stop20h 12m
Sun 10/257:32 pm -
1 stop15h 45m
Deal found 9/9![Alaska Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 11/111:35 pm -
2 stops7h 55m
Sat 11/145:00 am -
2 stops11h 33m
Deal found 9/8![United Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 9/217:59 pm -
1 stop15h 21m
Mon 9/288:21 pm -
1 stop15h 55m
Deal found 9/8![Alaska Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/129:45 am -
1 stop6h 58m
Tue 10/136:23 pm -
1 stop6h 32m
Deal found 9/9![Delta logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 11/76:00 am -
1 stop14h 18m
Wed 11/114:21 pm -
1 stop26h 56m
Deal found 9/5![Alaska Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 11/15:00 am -
1 stop7h 01m
Sat 11/72:01 pm -
1 stop7h 50m
Deal found 9/8![United Airlines logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/2111:13 am -
1 stop9h 51m
Sun 10/253:49 pm -
1 stop19h 28m
Deal found 9/10![Alaska Airlines logo]()
$408
Last-minute flights from Ontario to MontanaDiscover last-minute flight deals from Ontario to Montana. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Montana. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am -
1 stop7h 33m
Wed 9/303:26 pm -
1 stop8h 11m
Deal found 9/6![American Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 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 9/8![Multiple Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 9/7. 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 10/146:20 am -
1 stop7h 34m
Tue 10/206:31 pm -
2 stops17h 45m
Deal found 9/7![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 9/7. 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 10/146:20 am -
2 stops17h 07m
Mon 10/196:31 pm -
2 stops17h 45m
Deal found 9/7![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/146:02 am -
1 stop7h 13m
Thu 10/2210:20 am -
1 stop14h 22m
Deal found 9/7![Alaska Airlines logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/156:56 pm -
1 stop27h 13m
Thu 10/2210:20 am -
1 stop14h 22m
Deal found 9/7![Alaska Airlines logo]()
$303
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:56 pm -
1 stop13h 44m
Mon 10/1910:20 am -
1 stop14h 22m
Deal found 9/10![Alaska Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:25 pm -
1 stop21h 58m
Sun 10/258:39 pm -
1 stop11h 25m
Deal found 9/10![Multiple Airlines logo]()
$240
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:02 am -
1 stop5h 21m
Fri 10/307:45 pm -
1 stop4h 57m
Deal found 9/9![Alaska Airlines logo]()
$325
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:30 pm -
1 stop20h 34m
Mon 11/25:12 pm -
1 stop6h 54m
Deal found 9/8![Alaska Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/275:00 am -
1 stop7h 34m
Sat 11/72:36 pm -
1 stop7h 15m
Deal found 9/9![United Airlines logo]()
$307
This Trip.com deal was found by Cheapflights users on 9/8. 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 10/2911:13 am -
1 stop6h 39m
Wed 11/43:32 pm -
1 stop7h 17m
Deal found 9/8![Alaska Airlines logo]()
$319
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 September 10, 2026.
Search for one-way flight options from Ontario to Montana. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:07 pm -
1 stop22h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/215:25 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$111
This Priceline deal was found by Cheapflights users on 9/8. 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.
Wed 10/216:02 am -
1 stop5h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$154
This Trip.com deal was found by Cheapflights users on 9/8. 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.
Sat 10/1711:13 am -
1 stop6h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$163
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 9/265:15 pm -
1 stop4h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 9/305:15 pm -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$170
This Priceline deal was found by Cheapflights users on 9/10. 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.
Fri 10/162:13 pm -
1 stop7h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$171
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/125:57 pm -
1 stop18h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$175
This Priceline deal was found by Cheapflights users on 9/8. 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.
Tue 9/2912:12 pm -
1 stop6h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$175
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:56 pm -
1 stop13h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 9/231:18 pm -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$181
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Kiwi.com) |
One-way from | $103 (Kiwi.com) |
Popular in | September |
Cheapest in | January |
Average price | $440 |
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 September 10, 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
Mon 10/26
6:02 am-12:23 pm
1 stop5h 21m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Wed 10/21
6:02 am-12:23 pm
1 stop5h 21m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Wed 11/11
5:04 pm-10:45 pm
1 stop4h 41m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Tue 10/13
5:00 am-1:28 pm
1 stop7h 28m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Fri 10/2
5:15 pm-10:54 pm
1 stop4h 39m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$164
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Sat 9/26
5:15 pm-10:54 pm
1 stop4h 39m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
OntarioKalispell
ONT Ontario - FCA Kalispell Glacier Park
ONTFCA
Ontario
Tue 9/29
12:12 pm-7:41 pm
1 stop6h 29m
Kalispell Glacier Park
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Mon 10/19
6:56 pm-11:09 pm
1 stop27h 13m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$187
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Sat 10/10
1:35 pm-10:37 pm
2 stops8h 02m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$187
OntarioBozeman
ONT Ontario - BZN Bozeman Gallatin Field
ONTBZN
Ontario
Thu 10/15
6:56 pm-11:09 pm
1 stop27h 13m
Bozeman Gallatin Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$187
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-BIL
ONT-SDY
ONT-BZN
ONT-MSO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Montana
ONT-USMT
ONT-FCA
ONT-BIL
ONT-SDY
ONT-BZN
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 $318 and $427 in September.The cheapest round-trip price found within the last 5 days was $223 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 September 10, 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
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
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 September 10, 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$428 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$211 | Average$425 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$216 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$408 | FlexibilityNo cancel fee | On-time63% |