$106+ Cheap flights from Chicago (CHI) 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BZN
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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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 Chicago to MontanaExplore the most affordable flight options available from Chicago to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Chicago to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:41 am -
Nonstop3h 16m
Wed 9/3012:28 pm -
Nonstop3h 02m
Deal found 8/13![American Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/273:30 pm -
1 stop5h 45m
Wed 11/412:58 pm -
1 stop8h 07m
Deal found 8/17![Delta logo]()
$281
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 9/262:00 pm -
1 stop7h 07m
Sat 10/36:23 am -
1 stop5h 57m
Deal found 8/12![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/301:55 pm -
2 stops10h 20m
Wed 10/712:58 pm -
1 stop8h 07m
Deal found 8/16![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/297:13 pm -
1 stop5h 02m
Tue 10/65:20 am -
2 stops10h 27m
Deal found 8/15![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/221:55 pm -
2 stops10h 20m
Sat 9/265:20 am -
2 stops10h 39m
Deal found 8/15![Delta logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 10/2811:06 am -
2 stops30h 17m
Sun 11/18:39 pm -
1 stop14h 18m
Deal found 8/15![Multiple Airlines logo]()
$297
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.
Fri 10/97:00 am -
1 stop8h 54m
Sun 10/185:30 am -
1 stop5h 25m
Deal found 8/13![Delta logo]()
$298
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/305:31 pm -
1 stop7h 26m
Sun 11/16:00 am -
1 stop4h 47m
Deal found 8/14![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/225:00 am -
1 stop5h 41m
Sat 9/262:28 pm -
1 stop7h 18m
Deal found 8/15![United Airlines logo]()
$299
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.
Fri 9/257:40 pm -
1 stop5h 39m
Wed 9/306:00 am -
2 stops9h 59m
Deal found 8/12![Delta logo]()
$303
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 10/1412:45 pm -
2 stops12h 12m
Sat 10/176:00 am -
1 stop4h 47m
Deal found 8/13![Delta logo]()
$303
Best flights from Chicago to MontanaDiscover carefully curated flight deals from Chicago to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Chicago to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/273:30 pm -
1 stop5h 45m
Wed 11/412:58 pm -
1 stop8h 07m
Deal found 8/17![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:00 am -
1 stop5h 51m
Thu 12/314:15 pm -
1 stop7h 15m
Deal found 8/15![United Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/153:52 pm -
1 stop8h 07m
Wed 9/232:21 pm -
1 stop8h 38m
Deal found 8/16![Alaska Airlines logo]()
$335
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.
Thu 10/222:45 pm -
2 stops9h 35m
Mon 10/264:15 pm -
1 stop7h 00m
Deal found 8/12![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/297:13 pm -
1 stop5h 02m
Tue 10/66:16 am -
1 stop4h 31m
Deal found 8/15![Delta logo]()
$281
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 9/262:00 pm -
1 stop7h 07m
Sat 10/36:23 am -
1 stop5h 57m
Deal found 8/12![Delta logo]()
$281
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:45 pm -
Nonstop3h 27m
Sun 10/258:00 am -
Nonstop3h 02m
Deal found 8/12![United Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/176:35 am -
2 stops8h 15m
Tue 10/206:30 am -
2 stops9h 10m
Deal found 8/16![Southwest logo]()
$345
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/221:55 pm -
2 stops10h 20m
Sat 9/265:20 am -
1 stop5h 35m
Deal found 8/15![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/174:45 pm -
Nonstop3h 27m
Tue 10/2012:53 pm -
Nonstop3h 07m
Deal found 8/16![United Airlines logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/128:00 am -
1 stop8h 17m
Sat 9/194:16 pm -
1 stop6h 43m
Deal found 8/15![Alaska Airlines logo]()
$369
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:25 am -
Nonstop3h 10m
Sun 10/45:00 am -
2 stops8h 15m
Deal found 8/13![Southwest logo]()
$367
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:52 pm -
1 stop8h 09m
Tue 9/154:16 pm -
1 stop6h 43m
Deal found 8/13![Alaska Airlines logo]()
$369
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 9/1912:29 pm -
2 stops11h 02m
Sat 9/268:25 am -
1 stop8h 35m
Deal found 8/12![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/194:26 pm -
1 stop5h 46m
Mon 9/212:25 pm -
1 stop6h 34m
Deal found 8/17![United Airlines logo]()
$349
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.
Sun 9/67:48 am -
1 stop5h 39m
Sat 9/121:09 pm -
1 stop7h 51m
Deal found 8/13![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/119:10 am -
Nonstop3h 23m
Sun 12/1312:30 pm -
Nonstop3h 00m
Deal found 8/15![United Airlines logo]()
$352
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:43 pm -
1 stop8h 18m
Wed 9/24:16 pm -
1 stop6h 43m
Deal found 8/12![Alaska Airlines logo]()
$399
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 9/268:25 am -
2 stops10h 28m
Sat 10/36:23 am -
1 stop7h 06m
Deal found 8/12![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:40 pm -
2 stops8h 50m
Fri 9/257:20 am -
2 stops8h 40m
Deal found 8/14![Southwest logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/193:56 pm -
1 stop6h 25m
Mon 9/214:32 pm -
1 stop5h 14m
Deal found 8/16![United Airlines logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/169:00 am -
1 stop11h 05m
Mon 10/197:45 pm -
1 stop8h 55m
Deal found 8/16![Alaska Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/268:25 am -
2 stops10h 28m
Sun 10/45:20 am -
1 stop5h 35m
Deal found 8/14![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Fri 9/184:00 pm -
1 stop8h 45m
Wed 9/306:55 am -
1 stop10h 05m
Deal found 8/16![Southwest logo]()
$430
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/25:00 am -
1 stop5h 41m
Wed 9/95:00 am -
1 stop5h 59m
Deal found 8/16![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/3010:25 am -
Nonstop3h 10m
Fri 9/48:35 am -
2 stops8h 40m
Deal found 8/16![Southwest logo]()
$430
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.
Fri 9/181:03 pm -
1 stop28h 36m
Sat 9/265:19 pm -
1 stop12h 01m
Deal found 8/12![Alaska Airlines logo]()
$433
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.
Sat 9/198:25 am -
2 stops10h 16m
Sat 9/265:40 am -
1 stop5h 15m
Deal found 8/13![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 8/293:56 pm -
1 stop6h 16m
Wed 9/26:15 am -
1 stop7h 45m
Deal found 8/14![United Airlines logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/203:49 pm -
1 stop8h 10m
Thu 10/222:03 pm -
1 stop8h 56m
Deal found 8/16![Alaska Airlines logo]()
$444
Last-minute flights from Chicago to MontanaDiscover last-minute flight deals from Chicago to Montana. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Montana. Data last updated August 17, 2026 and is based on user searches.
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.
Mon 8/316:44 pm -
1 stop5h 32m
Fri 9/43:55 pm -
1 stop4h 52m
Deal found 8/13![Delta logo]()
$305
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 9/193:29 pm -
1 stop5h 31m
Sat 9/268:25 am -
1 stop8h 35m
Deal found 8/12![Delta logo]()
$308
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 9/192:00 pm -
1 stop7h 00m
Sat 9/266:17 am -
1 stop6h 03m
Deal found 8/12![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/221:55 pm -
2 stops10h 20m
Sat 9/265:20 am -
2 stops10h 39m
Deal found 8/15![Delta logo]()
$291
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/225:00 am -
1 stop5h 41m
Sat 9/262:28 pm -
1 stop7h 18m
Deal found 8/15![United Airlines logo]()
$299
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:15 pm -
1 stop6h 50m
Fri 9/255:05 pm -
1 stop6h 25m
Deal found 8/13![Southwest logo]()
$306
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:41 am -
Nonstop3h 16m
Wed 9/3012:28 pm -
Nonstop3h 02m
Deal found 8/13![American Airlines logo]()
$261
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.
Fri 9/257:40 pm -
1 stop5h 39m
Wed 9/306:00 am -
2 stops9h 59m
Deal found 8/12![Delta logo]()
$303
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 9/263:29 pm -
1 stop5h 38m
Sat 10/35:20 am -
1 stop5h 35m
Deal found 8/12![Delta logo]()
$281
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 9/262:00 pm -
1 stop7h 07m
Sat 10/36:23 am -
1 stop5h 57m
Deal found 8/12![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/297:13 pm -
1 stop5h 02m
Tue 10/65:20 am -
2 stops10h 27m
Deal found 8/15![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/301:55 pm -
2 stops10h 20m
Wed 10/712:58 pm -
1 stop8h 07m
Deal found 8/16![Delta logo]()
$286
One-way flights from Chicago to MontanaSearch for one-way flight options from Chicago to Montana. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Chicago to Montana. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
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.
Wed 9/91:21 pm -
1 stop29h 33m
Deal found 8/12![Multiple Airlines logo]()
$106
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 2/107:00 am -
1 stop8h 33m
Deal found 8/14![Delta logo]()
$109
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/105:31 pm -
1 stop6h 58m
Deal found 8/14![Delta logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
1 stop27h 06m
Deal found 8/14![Multiple Airlines logo]()
$110
This Southwest deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/136:05 am -
1 stop7h 35m
Deal found 8/14![Southwest logo]()
$111
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 2/139:30 am -
2 stops13h 51m
Deal found 8/14![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 10/1410:59 am -
2 stops13h 58m
Deal found 8/14![Delta logo]()
$114
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:20 am -
2 stops9h 05m
Deal found 8/13![Southwest logo]()
$116
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:30 am -
2 stops39h 29m
Deal found 8/13![Multiple Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop27h 52m
Deal found 8/15![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop27h 17m
Deal found 8/17![Multiple Airlines logo]()
$127
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.
Fri 9/187:40 pm -
1 stop5h 39m
Deal found 8/13![Delta logo]()
$131
Find flight deals from Chicago to Montana
Keep the following information in mind while searching for Chicago to Montana flight deals. Data was last updated August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (American Airlines) |
One-way from | $106 (Kiwi.com) |
Popular in | August |
Cheapest in | April |
Average price | $398 |
Good round-trip deal | $356 or less |
Good one-way deal | $197 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 17, 2026.
Use the filters below to find and compare flights from Chicago to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBillings
ORD Chicago O'Hare Intl - BIL Billings Logan Intl
ORDBIL
Chicago O'Hare Intl
Tue 10/27
3:30 pm-8:15 pm
1 stop5h 45m
Billings Logan Intl
Wed 11/4
12:58 pm-10:05 pm
1 stop8h 07m
$281
ChicagoBillings
MDW Chicago Midway - BIL Billings Logan Intl
MDWBIL
Chicago Midway
Tue 9/29
7:13 pm-11:15 pm
1 stop5h 02m
Billings Logan Intl
Tue 10/6
6:16 am-11:47 am
1 stop4h 31m
$281
ChicagoBillings
MDW Chicago Midway - BIL Billings Logan Intl
MDWBIL
Chicago Midway
Sat 9/26
2:00 pm-8:07 pm
1 stop7h 07m
Billings Logan Intl
Sat 10/3
6:23 am-1:20 pm
1 stop5h 57m
$281
ChicagoBillings
ORD Chicago O'Hare Intl - BIL Billings Logan Intl
ORDBIL
Chicago O'Hare Intl
Tue 9/22
1:55 pm-11:15 pm
2 stops10h 20m
Billings Logan Intl
Sat 9/26
5:20 am-11:55 am
1 stop5h 35m
$286
ChicagoBillings
ORD Chicago O'Hare Intl - BIL Billings Logan Intl
ORDBIL
Chicago O'Hare Intl
Wed 12/16
5:00 am-9:51 am
1 stop5h 51m
Billings Logan Intl
Thu 12/31
4:15 pm-12:30 am
1 stop7h 15m
$312
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Sat 9/19
12:29 pm-10:31 pm
2 stops11h 02m
Bozeman Gallatin Field
Sat 9/26
8:25 am-6:00 pm
1 stop8h 35m
$313
ChicagoWest Yellowstone
ORD Chicago O'Hare Intl - WYS West Yellowstone
ORDWYS
Chicago O'Hare Intl
Sun 9/6
7:48 am-12:27 pm
1 stop5h 39m
West Yellowstone
Sat 9/12
1:09 pm-10:00 pm
1 stop7h 51m
$314
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Thu 10/22
4:45 pm-7:12 pm
Nonstop3h 27m
Bozeman Gallatin Field
Sun 10/25
8:00 am-12:02 pm
Nonstop3h 02m
$315
ChicagoBozeman
ORD Chicago O'Hare Intl - BZN Bozeman Gallatin Field
ORDBZN
Chicago O'Hare Intl
Sat 10/17
4:45 pm-7:12 pm
Nonstop3h 27m
Bozeman Gallatin Field
Tue 10/20
12:53 pm-5:00 pm
Nonstop3h 07m
$315
ChicagoBillings
ORD Chicago O'Hare Intl - BIL Billings Logan Intl
ORDBIL
Chicago O'Hare Intl
Sat 9/26
8:25 am-5:53 pm
2 stops10h 28m
Billings Logan Intl
Sat 10/3
6:23 am-2:29 pm
1 stop7h 06m
$315
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Chicago with our price prediction graph.
ORD-BIL
MDW-BIL
ORD-BZN
MDW-BZN
ORD-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 Chicago to Montana
CHI-USMT
ORD-BIL
MDW-BIL
ORD-BZN
MDW-BZN
What is the cheapest month to book a flight from Chicago to Montana?
Currently, January is the cheapest month in which you can book a flight from Chicago to Montana (average of $336). Flying from Chicago to Montana in July is currently the most expensive (average of $459). 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.
What is the cheapest time of day to fly from CHI to MT?
Find hourly flight availability from Chicago to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 34% on flights from Chicago to Montana by exploring options for tickets in the afternoon.
Weekly flight availability from Chicago to Montana
Explore weekly flight availability from Chicago to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 17, 2026.
The most flights from CHI to USMT are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Chicago to Montana?
Airfare is below average for this route at the moment.
Chicago to Montana flights typically cost between $330 and $487 in October.The cheapest round-trip price found within the last 5 days was $298 on Delta (Oct 9-Oct 18).
How far ahead should I book a flight from Chicago to Montana?
The best time to book flights from Chicago to Montana is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Chicago to Montana?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Montana. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Chicago to Montana flight should consider departing on Monday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 17, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Chicago to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentSarah,Aug 2024
MDW - AUS
Related info for your journey
Find useful and relevant information for your journey from Chicago 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 Chicago 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 Chicago to Montana by cabin class
Find flights from Chicago to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Montana flights
Browse other Chicago and Montana flight options. Last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Montana flights
Consider these flights traveling from Chicago to Montana.
Top 5 airlines flying from Chicago to Montana
Discover the top 5 airlines that operate flights from Chicago 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$370 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$513 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$229 | Average$446 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$414 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$412 | FlexibilityNo cancel fee | On-time63% |