$143+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
Aug 2 — Aug 91
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 July 3, 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 July 3, 2026.
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 am
ORD
- BIL
1 stop5h 41m
United Airlines
Sat 8/224:35 pm
BIL
- ORD
Nonstop3h 05m
United Airlines
Deal found 7/1![United Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:00 pm
ORD
- BIL
1 stop6h 12m
Delta
Sat 8/225:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 7/1![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:59 pm
ORD
- BIL
2 stops10h 31m
Delta
Tue 8/185:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 6/29![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/227:38 am
ORD
- BIL
Nonstop3h 22m
United Airlines
Sat 8/292:29 pm
BIL
- ORD
1 stop6h 01m
United Airlines
Deal found 7/1![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:59 pm
ORD
- BIL
2 stops10h 31m
Delta
Tue 9/111:51 am
BIL
- ORD
2 stops8h 56m
Delta
Deal found 6/30![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/144:15 pm
ORD
- BZN
Nonstop3h 27m
United Airlines
Tue 8/184:32 pm
BZN
- ORD
1 stop6h 27m
United Airlines
Deal found 7/1![United Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:00 am
ORD
- BZN
1 stop7h 05m
American Airlines
Fri 8/2112:55 pm
BZN
- ORD
Nonstop3h 21m
American Airlines
Deal found 6/30![American Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/169:45 am
ORD
- BZN
Nonstop3h 20m
American Airlines
Sun 8/234:15 pm
BZN
- ORD
1 stop7h 03m
American Airlines
Deal found 7/2![American Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/275:00 am
ORD
- COD
1 stop5h 30m
United Airlines
Sun 8/305:53 pm
COD
- ORD
1 stop5h 08m
United Airlines
Deal found 7/1![United Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:50 am
ORD
- BZN
1 stop5h 23m
United Airlines
Wed 11/182:37 pm
BZN
- ORD
1 stop7h 07m
United Airlines
Deal found 6/29![United Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:01 pm
ORD
- BZN
Nonstop3h 22m
United Airlines
Sat 8/224:30 pm
BZN
- ORD
Nonstop3h 07m
United Airlines
Deal found 7/1![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 33m
Delta
Sat 8/225:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 7/1![Delta logo]()
$302
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 July 3, 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 July 3, 2026.
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:00 pm
ORD
- BIL
1 stop6h 12m
Delta
Sat 8/225:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 7/1![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:45 pm
ORD
- BZN
Nonstop3h 27m
United Airlines
Tue 9/294:30 pm
BZN
- ORD
1 stop6h 29m
United Airlines
Deal found 6/28![United Airlines logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:08 pm
ORD
- MSO
1 stop7h 53m
Alaska Airlines
Sat 9/194:16 pm
MSO
- ORD
1 stop6h 43m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:45 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Wed 8/124:32 pm
BZN
- ORD
1 stop5h 14m
United Airlines
Deal found 7/1![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 33m
Delta
Sat 8/225:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 7/1![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 am
ORD
- COD
1 stop5h 30m
United Airlines
Sun 8/305:53 pm
COD
- ORD
1 stop5h 08m
United Airlines
Deal found 6/29![United Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:48 am
ORD
- WYS
1 stop5h 39m
Delta
Fri 8/281:09 pm
WYS
- ORD
1 stop7h 24m
Delta
Deal found 6/30![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/108:28 am
ORD
- BZN
1 stop7h 22m
Delta
Wed 8/193:49 pm
BZN
- ORD
1 stop6h 40m
Delta
Deal found 7/2![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:00 am
ORD
- BZN
1 stop5h 39m
United Airlines
Sun 9/64:32 pm
BZN
- ORD
1 stop5h 14m
United Airlines
Deal found 6/29![United Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:40 pm
ORD
- BZN
1 stop5h 35m
Delta
Tue 9/291:08 pm
BZN
- ORD
1 stop7h 44m
Delta
Deal found 6/28![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am
ORD
- GTF
1 stop11h 39m
Alaska Airlines
Mon 9/215:19 pm
GTF
- ORD
1 stop12h 01m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/68:15 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Fri 8/144:32 pm
BZN
- ORD
1 stop5h 14m
United Airlines
Deal found 7/2![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:44 pm
ORD
- BZN
1 stop5h 20m
Delta
Thu 8/206:00 am
BZN
- ORD
1 stop4h 59m
Delta
Deal found 6/29![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:00 am
ORD
- BIL
1 stop5h 41m
United Airlines
Sat 8/292:29 pm
BIL
- ORD
1 stop7h 17m
United Airlines
Deal found 6/30![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:59 pm
ORD
- BIL
2 stops10h 31m
Delta
Tue 9/16:26 am
BIL
- ORD
1 stop4h 11m
Delta
Deal found 6/28![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/147:00 pm
ORD
- HLN
1 stop22h 41m
Alaska Airlines
Mon 9/215:18 pm
HLN
- ORD
2 stops25h 57m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 am
ORD
- MSO
1 stop5h 57m
United Airlines
Tue 8/255:24 pm
MSO
- ORD
1 stop5h 35m
United Airlines
Deal found 6/28![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/122:05 pm
ORD
- BZN
2 stops9h 44m
Delta
Tue 9/158:25 am
BZN
- ORD
1 stop8h 36m
Delta
Deal found 7/1![Delta logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 11/49:31 am
ORD
- HLN
1 stop7h 33m
Alaska Airlines
Sat 11/74:41 pm
HLN
- ORD
1 stop11h 59m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 am
ORD
- COD
1 stop8h 19m
United Airlines
Tue 7/215:55 pm
COD
- ORD
1 stop5h 49m
United Airlines
Deal found 6/29![United Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:57 pm
ORD
- BZN
2 stops7h 07m
Delta
Sat 8/292:15 pm
BZN
- ORD
1 stop8h 42m
Delta
Deal found 6/30![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:45 am
ORD
- GTF
1 stop5h 50m
Delta
Sat 9/261:15 pm
GTF
- ORD
1 stop7h 37m
Delta
Deal found 6/27![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:10 am
ORD
- BZN
Nonstop3h 34m
United Airlines
Sat 7/254:20 pm
BZN
- ORD
1 stop5h 29m
United Airlines
Deal found 6/30![United Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/216:00 am
ORD
- GTF
2 stops7h 28m
Delta
Tue 8/251:08 pm
GTF
- ORD
1 stop7h 25m
Delta
Deal found 7/1![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:35 pm
ORD
- COD
Nonstop3h 17m
United Airlines
Tue 8/255:53 pm
COD
- ORD
1 stop5h 06m
United Airlines
Deal found 6/29![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:45 am
ORD
- WYS
1 stop5h 41m
Delta
Tue 7/211:10 pm
WYS
- ORD
1 stop7h 19m
Delta
Deal found 6/28![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/2912:45 pm
ORD
- COD
1 stop5h 28m
United Airlines
Tue 9/15:53 pm
COD
- ORD
1 stop5h 06m
United Airlines
Deal found 7/1![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:45 pm
ORD
- GTF
1 stop6h 53m
Delta
Tue 8/115:40 am
GTF
- ORD
1 stop5h 19m
Delta
Deal found 6/27![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/275:00 am
ORD
- COD
1 stop5h 30m
United Airlines
Mon 8/315:53 pm
COD
- ORD
1 stop5h 06m
United Airlines
Deal found 7/1![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:45 pm
ORD
- GTF
1 stop6h 53m
Delta
Wed 8/191:08 pm
GTF
- ORD
1 stop7h 25m
Delta
Deal found 6/28![Delta logo]()
$348
Last-minute flights from O'Hare Intl to MontanaDiscover last-minute flight deals from O'Hare Intl to Montana. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Montana. Data last updated July 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/75:00 am
ORD
- BZN
1 stop5h 37m
United Airlines
Fri 8/142:30 pm
BZN
- ORD
1 stop7h 16m
United Airlines
Deal found 7/1![United Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:59 pm
ORD
- BIL
2 stops10h 31m
Delta
Tue 8/185:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 6/29![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/144:15 pm
ORD
- BZN
Nonstop3h 27m
United Airlines
Tue 8/184:32 pm
BZN
- ORD
1 stop6h 27m
United Airlines
Deal found 7/1![United Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:11 pm
ORD
- BZN
1 stop9h 26m
American Airlines
Fri 8/2112:55 pm
BZN
- ORD
Nonstop3h 21m
American Airlines
Deal found 6/30![American Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:00 pm
ORD
- BIL
1 stop6h 12m
Delta
Sat 8/225:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 7/1![Delta logo]()
$271
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/169:45 am
ORD
- BZN
Nonstop3h 20m
American Airlines
Sun 8/234:15 pm
BZN
- ORD
1 stop7h 03m
American Airlines
Deal found 7/2![American Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 33m
Delta
Sat 8/225:20 am
BIL
- ORD
1 stop5h 39m
Delta
Deal found 7/1![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 am
ORD
- BIL
1 stop5h 41m
United Airlines
Sat 8/224:35 pm
BIL
- ORD
Nonstop3h 05m
United Airlines
Deal found 7/1![United Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:01 pm
ORD
- BZN
Nonstop3h 22m
United Airlines
Sat 8/224:30 pm
BZN
- ORD
Nonstop3h 07m
United Airlines
Deal found 7/1![United Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/227:38 am
ORD
- BIL
Nonstop3h 22m
United Airlines
Sat 8/292:29 pm
BIL
- ORD
1 stop6h 01m
United Airlines
Deal found 7/1![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:59 pm
ORD
- BIL
2 stops10h 31m
Delta
Tue 9/111:51 am
BIL
- ORD
2 stops8h 56m
Delta
Deal found 6/30![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/275:00 am
ORD
- COD
1 stop5h 30m
United Airlines
Sun 8/305:53 pm
COD
- ORD
1 stop5h 08m
United Airlines
Deal found 7/1![United Airlines logo]()
$298
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 July 3, 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 July 3, 2026.
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:00 pm
ORD
- BZN
Nonstop3h 20m
United Airlines
Deal found 6/29![United Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:45 am
ORD
- BZN
2 stops32h 21m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:02 pm
ORD
- FCA
1 stop31h 51m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/268:45 am
ORD
- MSO
2 stops37h 17m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$152
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:46 pm
ORD
- BZN
1 stop7h 58m
Delta
Deal found 7/1![Delta logo]()
$153
This Trip.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:29 am
ORD
- MSO
1 stop27h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:11 pm
ORD
- BIL
1 stop19h 59m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/281:59 pm
ORD
- BZN
2 stops11h 05m
Delta
Deal found 7/1![Delta logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:50 am
ORD
- FCA
1 stop14h 03m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:45 pm
ORD
- BZN
Nonstop3h 27m
United Airlines
Deal found 6/30![United Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/22:41 pm
ORD
- MSO
2 stops31h 18m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$161
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:10 am
ORD
- BZN
Nonstop3h 34m
United Airlines
Deal found 6/29![United Airlines logo]()
$164
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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (United Airlines) |
One-way from | $143 (United Airlines) |
Popular in | February |
Cheapest in | April |
Average price | $349 |
Good round-trip deal | $376 or less |
Good one-way deal | $187 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 July 3, 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
Sat 8/15
3:00 pm-8:12 pm
1 stop6h 12m
Billings Logan Intl
Sat 8/22
5:20 am-11:59 am
1 stop5h 39m
$271
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Fri 9/25
4:45 pm-7:12 pm
Nonstop3h 27m
Bozeman Gallatin Field
Tue 9/29
4:30 pm-11:59 pm
1 stop6h 29m
$295
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Tue 8/4
12:45 pm-3:13 pm
Nonstop3h 28m
Bozeman Gallatin Field
Wed 8/12
4:32 pm-10:46 pm
1 stop5h 14m
$295
ChicagoCody
ORD - COD
ORDCOD
Chicago O'Hare Intl
Thu 8/27
5:00 am-9:30 am
1 stop5h 30m
Cody E.E. Faust
Sun 8/30
5:53 pm-12:01 am
1 stop5h 08m
$298
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Mon 8/17
5:57 pm-11:30 pm
1 stop6h 33m
Billings Logan Intl
Sat 8/22
5:20 am-11:59 am
1 stop5h 39m
$302
ChicagoWest Yellowstone
ORD - WYS
ORDWYS
Chicago O'Hare Intl
Thu 8/20
7:48 am-12:27 pm
1 stop5h 39m
West Yellowstone
Fri 8/28
1:09 pm-9:33 pm
1 stop7h 24m
$304
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Mon 8/10
8:28 am-2:50 pm
1 stop7h 22m
Bozeman Gallatin Field
Wed 8/19
3:49 pm-11:29 pm
1 stop6h 40m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Tue 9/1
5:00 am-9:39 am
1 stop5h 39m
Bozeman Gallatin Field
Sun 9/6
4:32 pm-10:46 pm
1 stop5h 14m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Fri 9/25
7:40 pm-12:15 am
1 stop5h 35m
Bozeman Gallatin Field
Tue 9/29
1:08 pm-9:52 pm
1 stop7h 44m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Thu 8/13
7:44 pm-12:04 am
1 stop5h 20m
Bozeman Gallatin Field
Thu 8/20
6:00 am-11:59 am
1 stop4h 59m
$305
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-FCA
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-FCA
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 July 3, 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 50% on your trip compared to booking a flight in the morning.
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 July 3, 2026.
The most flights from ORD to USMT are scheduled on a Thursday (9 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?
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 45 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 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 June 27, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Montana flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday 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 July 3, 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.
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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 July 3, 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 July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$370 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$513 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$242 | Average$423 | FlexibilityNo cancel fee | On-time69% |