$125+ Cheap flights from O'Hare Intl (ORD) 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
Jun 14 — Jun 211
Round-trip
1 adult, Economy
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Cheapest flights from O'Hare Intl to MontanaExplore the most affordable flight options available from O'Hare Intl to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.
Explore the most affordable flight options available from O'Hare Intl to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/253:55 pm
ORD
- BIL
1 stop5h 04m
Delta
Sat 8/15:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 5/11![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 5/13. 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 9/169:40 am
ORD
- BIL
Nonstop3h 05m
American Airlines
Mon 9/2112:17 pm
BIL
- ORD
Nonstop2h 53m
American Airlines
Deal found 5/13![American Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 5/12. 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.
Tue 8/111:48 pm
ORD
- BIL
2 stops10h 25m
Delta
Wed 8/195:10 am
BIL
- ORD
2 stops10h 14m
Delta
Deal found 5/12![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 7/185:00 am
ORD
- BIL
1 stop5h 35m
United Airlines
Sat 7/256:00 pm
BIL
- ORD
1 stop5h 44m
United Airlines
Deal found 5/12![United Airlines logo]()
$286
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:00 am
ORD
- BZN
1 stop6h 57m
American Airlines
Thu 6/1812:26 pm
BZN
- ORD
Nonstop3h 21m
American Airlines
Deal found 5/12![American Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:00 am
ORD
- BZN
1 stop8h 39m
American Airlines
Wed 6/175:00 pm
BZN
- ORD
Nonstop3h 20m
American Airlines
Deal found 5/11![American Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:57 pm
ORD
- BIL
1 stop6h 16m
Delta
Wed 8/195:10 am
BIL
- ORD
1 stop5h 49m
Delta
Deal found 5/12![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:00 am
ORD
- COD
1 stop5h 28m
United Airlines
Fri 6/125:55 pm
COD
- ORD
1 stop5h 49m
United Airlines
Deal found 5/11![United Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:19 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Wed 6/174:25 pm
BZN
- ORD
Nonstop3h 15m
United Airlines
Deal found 5/11![United Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 5/13. 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 9/163:50 pm
ORD
- BIL
1 stop4h 47m
Delta
Sun 9/206:15 am
BIL
- ORD
1 stop4h 14m
Delta
Deal found 5/13![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:30 pm
ORD
- BZN
Nonstop3h 27m
United Airlines
Sun 8/234:30 pm
BZN
- ORD
Nonstop3h 07m
United Airlines
Deal found 5/13![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 5/13. 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 6/67:45 am
ORD
- WYS
1 stop5h 40m
Delta
Thu 6/111:10 pm
WYS
- ORD
1 stop7h 47m
Delta
Deal found 5/13![Delta logo]()
$304
Best flights from O'Hare Intl to MontanaDiscover carefully curated flight deals from O'Hare Intl to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 15, 2026.
Discover carefully curated flight deals from O'Hare Intl to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 15, 2026.
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:57 pm
ORD
- BIL
1 stop6h 16m
Delta
Sat 8/225:10 am
BIL
- ORD
1 stop5h 49m
Delta
Deal found 5/10![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:00 am
ORD
- BIL
1 stop5h 35m
United Airlines
Thu 8/64:10 pm
BIL
- ORD
1 stop7h 34m
United Airlines
Deal found 5/10![United Airlines logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:08 pm
ORD
- MSO
1 stop7h 51m
Alaska Airlines
Sat 9/194:13 pm
MSO
- ORD
1 stop6h 46m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 5/12. 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 6/135:00 pm
ORD
- BIL
1 stop6h 51m
Delta
Sat 6/205:20 am
BIL
- ORD
1 stop5h 40m
Delta
Deal found 5/12![Delta logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 am
ORD
- BZN
1 stop5h 45m
United Airlines
Tue 9/154:22 pm
BZN
- ORD
1 stop5h 19m
United Airlines
Deal found 5/13![United Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 5/15. 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.
Thu 8/139:52 am
ORD
- BIL
2 stops13h 43m
Delta
Sat 8/225:10 am
BIL
- ORD
1 stop5h 49m
Delta
Deal found 5/15![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:40 am
ORD
- BZN
1 stop8h 52m
Alaska Airlines
Tue 6/98:00 am
BZN
- ORD
1 stop10h 03m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 5/14. 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.
Sun 6/287:45 am
ORD
- BZN
1 stop5h 20m
Delta
Thu 7/211:27 am
BZN
- ORD
1 stop4h 35m
Delta
Deal found 5/14![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Fri 5/294:15 pm
ORD
- COD
Nonstop3h 30m
United Airlines
Tue 6/21:54 pm
COD
- ORD
1 stop7h 55m
United Airlines
Deal found 5/14![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 5/10. 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 6/186:30 am
ORD
- BZN
1 stop4h 52m
Delta
Sun 6/285:15 am
BZN
- ORD
1 stop5h 45m
Delta
Deal found 5/10![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:00 am
ORD
- BIL
1 stop5h 35m
United Airlines
Wed 6/176:00 pm
BIL
- ORD
1 stop5h 44m
United Airlines
Deal found 5/13![United Airlines logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:49 pm
ORD
- GTF
1 stop23h 23m
Alaska Airlines
Tue 6/26:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:12 pm
ORD
- BZN
2 stops10h 52m
Delta
Sat 8/291:00 pm
BZN
- ORD
1 stop7h 20m
Delta
Deal found 5/11![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 5/13. 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 6/2711:15 am
ORD
- BZN
2 stops9h 30m
Delta
Fri 7/33:56 pm
BZN
- ORD
1 stop6h 43m
Delta
Deal found 5/13![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/12. 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 8/205:00 am
ORD
- MSO
1 stop5h 57m
United Airlines
Tue 8/255:24 pm
MSO
- ORD
1 stop5h 35m
United Airlines
Deal found 5/12![United Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
ORD
- HLN
1 stop11h 06m
Alaska Airlines
Wed 6/34:43 pm
HLN
- ORD
1 stop12h 37m
Alaska Airlines
Deal found 5/14![Alaska Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 5/12. 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.
Mon 8/315:20 pm
ORD
- BZN
2 stops7h 39m
Delta
Tue 9/86:00 am
BZN
- ORD
1 stop4h 29m
Delta
Deal found 5/12![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sat 6/208:40 am
ORD
- GTF
Nonstop3h 46m
United Airlines
Sat 6/272:37 pm
GTF
- ORD
1 stop7h 12m
United Airlines
Deal found 5/12![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 5/14. 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 6/197:37 pm
ORD
- BZN
1 stop5h 46m
Delta
Sat 6/276:00 am
BZN
- ORD
2 stops9h 58m
Delta
Deal found 5/14![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/12. 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 6/118:40 am
ORD
- FCA
Nonstop3h 49m
United Airlines
Mon 6/155:28 pm
FCA
- ORD
1 stop6h 16m
United Airlines
Deal found 5/12![United Airlines logo]()
$394
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:20 pm
ORD
- HLN
1 stop21h 12m
Alaska Airlines
Sun 8/165:09 pm
HLN
- ORD
1 stop12h 11m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$498
This Delta deal was found by Cheapflights users on 5/14. 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 7/117:05 am
ORD
- BZN
2 stops11h 09m
Delta
Sat 7/186:00 am
BZN
- ORD
2 stops11h 46m
Delta
Deal found 5/14![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:47 pm
ORD
- FCA
Nonstop4h 08m
United Airlines
Sun 8/165:18 pm
FCA
- ORD
Nonstop3h 42m
United Airlines
Deal found 5/10![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:12 pm
ORD
- BZN
2 stops10h 52m
Delta
Fri 8/216:00 am
BZN
- ORD
2 stops9h 24m
Delta
Deal found 5/10![Delta logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
ORD
- GTF
1 stop11h 29m
Alaska Airlines
Sat 8/85:09 pm
GTF
- ORD
2 stops26h 06m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:55 am
ORD
- MSO
Nonstop3h 39m
United Airlines
Fri 9/2512:40 pm
MSO
- ORD
Nonstop3h 20m
United Airlines
Deal found 5/13![United Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:45 pm
ORD
- MSO
1 stop6h 07m
Delta
Sun 8/95:57 am
MSO
- ORD
1 stop4h 40m
Delta
Deal found 5/11![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 am
ORD
- WYS
1 stop8h 32m
United Airlines
Thu 6/42:19 pm
WYS
- ORD
1 stop5h 11m
United Airlines
Deal found 5/10![United Airlines logo]()
$418
This Alaska Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:40 am
ORD
- HLN
1 stop9h 26m
Alaska Airlines
Sat 5/304:43 pm
HLN
- ORD
2 stops19h 39m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 5/12. 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 6/67:45 am
ORD
- WYS
1 stop5h 40m
Delta
Thu 6/111:10 pm
WYS
- ORD
1 stop7h 47m
Delta
Deal found 5/12![Delta logo]()
$334
Last-minute flights from O'Hare Intl to MontanaDiscover last-minute flight deals from O'Hare Intl to Montana. Data last updated May 15, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Montana. Data last updated May 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:40 am
ORD
- MSO
Nonstop3h 52m
United Airlines
Sat 6/612:33 pm
MSO
- ORD
Nonstop3h 32m
United Airlines
Deal found 5/13![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:00 am
ORD
- COD
1 stop5h 28m
United Airlines
Fri 6/125:55 pm
COD
- ORD
1 stop5h 49m
United Airlines
Deal found 5/11![United Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 5/13. 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 6/67:45 am
ORD
- WYS
1 stop5h 40m
Delta
Thu 6/111:10 pm
WYS
- ORD
1 stop7h 47m
Delta
Deal found 5/13![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:00 am
ORD
- BZN
1 stop6h 57m
American Airlines
Thu 6/1812:26 pm
BZN
- ORD
Nonstop3h 21m
American Airlines
Deal found 5/12![American Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:00 am
ORD
- BZN
1 stop8h 39m
American Airlines
Wed 6/175:00 pm
BZN
- ORD
Nonstop3h 20m
American Airlines
Deal found 5/11![American Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:37 pm
ORD
- BZN
1 stop5h 46m
Delta
Wed 6/176:00 am
BZN
- ORD
1 stop4h 31m
Delta
Deal found 5/11![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 5/14. 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 6/135:00 pm
ORD
- BIL
1 stop6h 51m
Delta
Sat 6/205:20 am
BIL
- ORD
1 stop5h 40m
Delta
Deal found 5/14![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:19 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Wed 6/174:25 pm
BZN
- ORD
Nonstop3h 15m
United Airlines
Deal found 5/11![United Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:19 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Sat 6/202:26 pm
BZN
- ORD
1 stop7h 23m
United Airlines
Deal found 5/11![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 5/12. 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 6/197:37 pm
ORD
- BZN
1 stop5h 46m
Delta
Tue 6/235:15 am
BZN
- ORD
2 stops10h 47m
Delta
Deal found 5/12![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/14. 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 6/208:19 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Mon 6/224:25 pm
BZN
- ORD
Nonstop3h 15m
United Airlines
Deal found 5/14![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 5/13. 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 6/297:37 pm
ORD
- BZN
1 stop5h 46m
Delta
Wed 7/812:13 pm
BZN
- ORD
1 stop5h 44m
Delta
Deal found 5/13![Delta logo]()
$305
One-way flights from O'Hare Intl to MontanaSearch for one-way flight options from O'Hare Intl to Montana. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
Search for one-way flight options from O'Hare Intl to Montana. Find affordable one-way fares based on user searches. Data last updated May 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 8/127:15 am
ORD
- MSO
1 stop27h 19m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 7/87:15 am
ORD
- MSO
1 stop27h 19m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$128
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:31 am
ORD
- BZN
1 stop9h 56m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Thu 9/246:50 am
ORD
- BZN
1 stop15h 02m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$138
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Sun 7/121:49 pm
ORD
- BZN
Nonstop3h 24m
American Airlines
Deal found 5/13![American Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 7/201:49 pm
ORD
- BZN
Nonstop3h 24m
American Airlines
Deal found 5/13![American Airlines logo]()
$143
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:49 pm
ORD
- BZN
Nonstop3h 24m
American Airlines
Deal found 5/11![American Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/51:50 pm
ORD
- BZN
2 stops27h 11m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/51:50 pm
ORD
- MSO
2 stops20h 44m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 11/1111:06 am
ORD
- BZN
2 stops23h 00m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$152
This Delta deal was found by Cheapflights users on 5/12. 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.
Wed 7/85:54 pm
ORD
- BZN
1 stop6h 58m
Delta
Deal found 5/12![Delta logo]()
$153
This American Airlines deal was found by Cheapflights users on 5/13. 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 9/169:40 am
ORD
- BIL
Nonstop3h 05m
American Airlines
Deal found 5/13![American Airlines logo]()
$153
Find flight deals from O'Hare Intl to Montana
Keep the following information in mind while searching for O'Hare Intl to Montana flight deals. Data was last updated May 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $125 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $368 |
Good round-trip deal | $309 or less |
Good one-way deal | $192 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 May 15, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Mon 8/17
5:57 pm-11:13 pm
1 stop6h 16m
Billings Logan Intl
Sat 8/22
5:10 am-11:59 am
1 stop5h 49m
$298
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Sat 8/1
5:00 am-9:35 am
1 stop5h 35m
Billings Logan Intl
Thu 8/6
4:10 pm-12:44 am
1 stop7h 34m
$298
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Sat 6/13
5:00 pm-10:51 pm
1 stop6h 51m
Billings Logan Intl
Sat 6/20
5:20 am-12:00 pm
1 stop5h 40m
$298
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Thu 8/13
9:52 am-10:35 pm
2 stops13h 43m
Billings Logan Intl
Sat 8/22
5:10 am-11:59 am
1 stop5h 49m
$303
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Wed 9/9
5:00 am-9:45 am
1 stop5h 45m
Bozeman Gallatin Field
Tue 9/15
4:22 pm-10:41 pm
1 stop5h 19m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Sun 6/28
7:45 am-12:05 pm
1 stop5h 20m
Bozeman Gallatin Field
Thu 7/2
11:27 am-5:02 pm
1 stop4h 35m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Thu 6/18
6:30 am-10:22 am
1 stop4h 52m
Bozeman Gallatin Field
Sun 6/28
5:15 am-12:00 pm
1 stop5h 45m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Mon 8/24
2:12 pm-12:04 am
2 stops10h 52m
Bozeman Gallatin Field
Sat 8/29
1:00 pm-9:20 pm
1 stop7h 20m
$310
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Sat 6/27
11:15 am-7:45 pm
2 stops9h 30m
Bozeman Gallatin Field
Fri 7/3
3:56 pm-11:39 pm
1 stop6h 43m
$310
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Mon 8/31
5:20 pm-11:59 pm
2 stops7h 39m
Bozeman Gallatin Field
Tue 9/8
6:00 am-11:29 am
1 stop4h 29m
$310
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from O'Hare Intl with our price prediction graph.
ORD-BIL
ORD-BZN
ORD-COD
ORD-WYS
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 O'Hare Intl Airport to Montana
ORD-USMT
ORD-BIL
ORD-BZN
ORD-COD
ORD-WYS
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Montana?
The best time to book flights from Chicago O'Hare Intl Airport to Montana is 82 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 month to book a flight from Chicago O'Hare Intl Airport to Montana?
Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montana (average of $133). Flying from Chicago O'Hare Intl Airport to Montana in December is currently the most expensive (average of $269). 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 ORD to MT?
Find hourly flight availability from O'Hare Intl 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 May 15, 2026.
A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to Montana in the afternoon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Montana?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Montana. Price data was last updated on May 9, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Montana flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Chicago O'Hare Intl Airport to Montana
Explore weekly flight availability from O'Hare Intl 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 May 15, 2026.
The most flights from ORD to USMT are scheduled on a Tuesday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Montana?
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 May 15, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Chicago O'Hare Intl Airport to Montana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Comfort
7.8
Overall
7.9
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl to Montana
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O'Hare Intl and Montana flights
Browse other O'Hare Intl and Montana flight options. Last updated on May 15, 2026.
Popular flight searches
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O'Hare Intl to Montana flights
Consider these flights traveling from O'Hare Intl to Montana.
Top 4 airlines flying from O'Hare Intl to Montana
Discover the top 4 airlines that operate flights from O'Hare Intl 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 May 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$404 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$480 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$229 | Average$405 | FlexibilityNo cancel fee | On-time69% |