$113+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BZN
May 1 — May 81
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 April 1, 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 April 1, 2026.
This Delta deal was found by Cheapflights users on 3/27. 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.
Tue 4/288:50 am
ORD
- BZN
1 stop4h 44m
Delta
Thu 4/302:53 pm
BZN
- ORD
1 stop8h 06m
Delta
Deal found 3/27![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:05 pm
ORD
- BZN
1 stop7h 35m
Southwest
Sat 5/27:30 am
BZN
- ORD
1 stop5h 50m
Southwest
Deal found 3/26![Southwest logo]()
$241
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:29 pm
ORD
- BZN
2 stops9h 33m
Delta
Sat 5/211:59 am
BZN
- ORD
1 stop8h 19m
Delta
Deal found 3/26![Delta logo]()
$246
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 8/217:59 pm
ORD
- BZN
1 stop4h 54m
Delta
Tue 8/2511:30 am
BZN
- ORD
1 stop5h 31m
Delta
Deal found 3/27![Delta logo]()
$248
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:59 pm
ORD
- BZN
1 stop4h 54m
Delta
Wed 8/2612:20 pm
BZN
- ORD
1 stop6h 57m
Delta
Deal found 3/27![Delta logo]()
$260
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:52 pm
ORD
- BIL
Nonstop3h 23m
United Airlines
Wed 6/176:00 pm
BIL
- ORD
1 stop5h 44m
United Airlines
Deal found 3/31![United Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:20 pm
ORD
- BIL
Nonstop3h 02m
American Airlines
Wed 10/72:02 pm
BIL
- ORD
Nonstop2h 58m
American Airlines
Deal found 3/29![American Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:50 pm
ORD
- BIL
1 stop7h 47m
Delta
Sat 8/225:45 am
BIL
- ORD
1 stop5h 36m
Delta
Deal found 3/29![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 3/29. 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 7/142:07 pm
ORD
- BIL
2 stops9h 40m
Delta
Tue 7/286:24 am
BIL
- ORD
1 stop4h 08m
Delta
Deal found 3/29![Delta logo]()
$276
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 8/217:59 pm
ORD
- BZN
1 stop4h 54m
Delta
Wed 8/2612:20 pm
BZN
- ORD
1 stop6h 57m
Delta
Deal found 3/27![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/277:52 pm
ORD
- BIL
Nonstop3h 23m
United Airlines
Mon 6/14:10 pm
BIL
- ORD
1 stop5h 39m
United Airlines
Deal found 3/30![United Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 3/30. 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 4/291:36 pm
ORD
- BIL
2 stops9h 48m
Delta
Tue 5/55:20 am
BIL
- ORD
2 stops9h 58m
Delta
Deal found 3/30![Delta logo]()
$281
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 April 1, 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 April 1, 2026.
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:05 pm
ORD
- BZN
1 stop7h 35m
Southwest
Sat 5/27:30 am
BZN
- ORD
1 stop5h 50m
Southwest
Deal found 3/26![Southwest logo]()
$241
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:50 pm
ORD
- BIL
1 stop7h 47m
Delta
Sat 9/195:45 am
BIL
- ORD
1 stop5h 36m
Delta
Deal found 3/29![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/135:00 am
ORD
- BZN
1 stop5h 37m
United Airlines
Sat 6/204:20 pm
BZN
- ORD
1 stop7h 24m
United Airlines
Deal found 3/30![United Airlines logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 4/146:00 am
ORD
- FCA
1 stop7h 12m
Alaska Airlines
Tue 4/148:26 pm
FCA
- ORD
1 stop9h 13m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$419
This Sun Country Air deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:24 pm
ORD
- FCA
1 stop13h 54m
Sun Country Air
Sat 7/411:05 am
FCA
- ORD
1 stop5h 14m
Sun Country Air
Deal found 3/26![Sun Country Air logo]()
$547
This Delta deal was found by Cheapflights users on 3/29. 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 7/165:54 pm
ORD
- BIL
1 stop6h 26m
Delta
Tue 7/285:18 am
BIL
- ORD
1 stop5h 41m
Delta
Deal found 3/29![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 3/29. 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 8/192:33 pm
ORD
- GTF
1 stop7h 55m
United Airlines
Wed 8/262:31 pm
GTF
- ORD
1 stop5h 41m
United Airlines
Deal found 3/29![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/30. 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 5/138:05 pm
ORD
- BZN
1 stop4h 39m
Delta
Sun 5/178:00 am
BZN
- ORD
1 stop7h 49m
Delta
Deal found 3/30![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 am
ORD
- GTF
1 stop7h 31m
United Airlines
Sat 5/22:35 pm
GTF
- ORD
1 stop5h 48m
United Airlines
Deal found 3/30![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:30 am
ORD
- BZN
1 stop8h 16m
Delta
Sat 9/195:45 am
BZN
- ORD
1 stop5h 36m
Delta
Deal found 3/29![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/282:05 pm
ORD
- GTF
1 stop8h 12m
United Airlines
Sat 5/22:35 pm
GTF
- ORD
1 stop8h 22m
United Airlines
Deal found 3/28![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/29. 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.
Sun 8/236:00 am
ORD
- BZN
1 stop7h 29m
Delta
Sat 8/295:45 am
BZN
- ORD
1 stop5h 36m
Delta
Deal found 3/29![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/29. 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 4/242:05 pm
ORD
- MSO
1 stop8h 25m
United Airlines
Sun 4/265:15 pm
MSO
- ORD
1 stop6h 15m
United Airlines
Deal found 3/29![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 3/29. 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.
Fri 5/11:36 pm
ORD
- BZN
2 stops11h 33m
Delta
Fri 5/88:00 am
BZN
- ORD
1 stop7h 49m
Delta
Deal found 3/29![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 8/55:00 am
ORD
- BIL
1 stop5h 34m
United Airlines
Mon 8/106:00 pm
BIL
- ORD
1 stop5h 44m
United Airlines
Deal found 3/28![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:50 pm
ORD
- BIL
1 stop7h 47m
Delta
Sat 8/225:45 am
BIL
- ORD
2 stops10h 03m
Delta
Deal found 3/31![Delta logo]()
$320
This Travelocity deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:41 pm
ORD
- HLN
1 stop23h 51m
Alaska Airlines
Sun 7/125:09 pm
HLN
- ORD
1 stop12h 11m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 4/292:35 pm
ORD
- GTF
1 stop7h 42m
United Airlines
Tue 5/52:35 pm
GTF
- ORD
1 stop7h 23m
United Airlines
Deal found 3/28![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:45 am
ORD
- WYS
1 stop5h 40m
Delta
Wed 6/31:10 pm
WYS
- ORD
1 stop7h 40m
Delta
Deal found 3/29![Delta logo]()
$324
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 4/292:35 pm
ORD
- BIL
1 stop8h 30m
United Airlines
Tue 5/52:30 pm
BIL
- ORD
1 stop5h 53m
United Airlines
Deal found 3/28![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:46 pm
ORD
- FCA
1 stop8h 30m
Delta
Fri 7/35:19 am
FCA
- ORD
1 stop5h 41m
Delta
Deal found 3/29![Delta logo]()
$329
This Expedia deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:49 pm
ORD
- HLN
1 stop21h 17m
Alaska Airlines
Tue 5/264:43 pm
HLN
- ORD
2 stops26h 24m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:15 am
ORD
- MSO
1 stop5h 25m
Delta
Sun 5/175:05 am
MSO
- ORD
1 stop5h 42m
Delta
Deal found 3/29![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:10 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Fri 5/812:35 pm
BZN
- ORD
Nonstop3h 10m
United Airlines
Deal found 3/31![United Airlines logo]()
$375
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
ORD
- HLN
1 stop11h 06m
Alaska Airlines
Wed 6/105:09 pm
HLN
- ORD
2 stops19h 12m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$624
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:45 pm
ORD
- MSO
1 stop5h 37m
Delta
Mon 5/255:30 am
MSO
- ORD
1 stop5h 22m
Delta
Deal found 3/31![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/114:10 pm
ORD
- COD
1 stop7h 35m
United Airlines
Wed 4/151:33 pm
COD
- ORD
1 stop6h 47m
United Airlines
Deal found 3/27![United Airlines logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 5/187:40 am
ORD
- HLN
1 stop9h 26m
Alaska Airlines
Sun 5/244:43 pm
HLN
- ORD
1 stop29h 16m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$626
This Delta deal was found by Cheapflights users on 3/27. 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 8/293:50 pm
ORD
- MSO
2 stops9h 34m
Delta
Sat 9/55:45 am
MSO
- ORD
1 stop8h 13m
Delta
Deal found 3/27![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:05 pm
ORD
- COD
1 stop9h 40m
United Airlines
Sat 4/256:20 am
COD
- ORD
1 stop9h 44m
United Airlines
Deal found 3/27![United Airlines logo]()
$388
Last-minute flights from O'Hare Intl to MontanaDiscover last-minute flight deals from O'Hare Intl to Montana. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Montana. Data last updated April 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 4/221:36 pm
ORD
- BIL
2 stops9h 48m
Delta
Wed 4/295:20 am
BIL
- ORD
1 stop5h 31m
Delta
Deal found 3/27![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:05 pm
ORD
- BZN
1 stop7h 35m
Southwest
Sat 5/27:30 am
BZN
- ORD
1 stop5h 50m
Southwest
Deal found 3/26![Southwest logo]()
$241
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:29 pm
ORD
- BZN
2 stops9h 33m
Delta
Sat 5/211:59 am
BZN
- ORD
1 stop8h 19m
Delta
Deal found 3/26![Delta logo]()
$246
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
ORD
- BZN
1 stop14h 19m
Alaska Airlines
Sat 5/27:59 pm
BZN
- ORD
1 stop9h 41m
Alaska Airlines
Deal found 3/27![Alaska Airlines logo]()
$305
This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:00 am
ORD
- BZN
1 stop9h 55m
Alaska Airlines
Sun 5/38:00 am
BZN
- ORD
1 stop7h 56m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:00 am
ORD
- BZN
2 stops10h 11m
Delta
Sat 5/211:59 am
BZN
- ORD
2 stops6h 53m
Delta
Deal found 3/26![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 3/27. 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.
Tue 4/288:50 am
ORD
- BZN
1 stop4h 44m
Delta
Thu 4/302:53 pm
BZN
- ORD
1 stop8h 06m
Delta
Deal found 3/27![Delta logo]()
$229
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:57 am
ORD
- BZN
1 stop6h 56m
American Airlines
Thu 4/301:43 pm
BZN
- ORD
1 stop8h 02m
American Airlines
Deal found 3/29![American Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/287:00 am
ORD
- GTF
1 stop7h 31m
United Airlines
Sat 5/22:35 pm
GTF
- ORD
1 stop5h 48m
United Airlines
Deal found 3/30![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/30. 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 4/291:36 pm
ORD
- BIL
2 stops9h 48m
Delta
Tue 5/55:20 am
BIL
- ORD
2 stops9h 58m
Delta
Deal found 3/30![Delta logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/295:52 pm
ORD
- BZN
1 stop7h 06m
Alaska Airlines
Tue 5/57:59 pm
BZN
- ORD
1 stop9h 41m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/2912:30 pm
ORD
- MSO
1 stop10h 15m
American Airlines
Sun 5/31:08 pm
MSO
- ORD
Nonstop3h 43m
American Airlines
Deal found 3/30![American Airlines logo]()
$319
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 April 1, 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 April 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:50 am
ORD
- BZN
1 stop28h 29m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:58 pm
ORD
- BZN
1 stop13h 37m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$119
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 5/277:12 am
ORD
- BZN
1 stop9h 05m
Delta
Deal found 3/27![Delta logo]()
$121
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:52 pm
ORD
- BIL
Nonstop3h 23m
United Airlines
Deal found 3/31![United Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:28 pm
ORD
- MSO
2 stops28h 36m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:27 pm
ORD
- BZN
2 stops45h 18m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:58 pm
ORD
- FCA
1 stop15h 45m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$130
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
ORD
- BZN
1 stop9h 55m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/308:58 pm
ORD
- BIL
1 stop13h 16m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/308:58 pm
ORD
- MSO
1 stop24h 06m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:42 pm
ORD
- MSO
2 stops36h 41m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:44 pm
ORD
- BZN
Nonstop3h 18m
American Airlines
Deal found 3/31![American Airlines logo]()
$143
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 April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $229 (Delta) |
One-way from | $113 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $362 |
Good round-trip deal | $299 or less |
Good one-way deal | $174 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 April 1, 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
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Sat 4/25
3:05 pm-9:40 pm
1 stop7h 35m
Bozeman Gallatin Field
Sat 5/2
7:30 am-2:20 pm
1 stop5h 50m
$241
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Sat 9/5
3:50 pm-10:37 pm
1 stop7h 47m
Billings Logan Intl
Sat 9/19
5:45 am-12:21 pm
1 stop5h 36m
$271
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Thu 7/16
5:54 pm-11:20 pm
1 stop6h 26m
Billings Logan Intl
Tue 7/28
5:18 am-11:59 am
1 stop5h 41m
$290
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Sat 6/13
5:00 am-9:37 am
1 stop5h 37m
Bozeman Gallatin Field
Sat 6/20
4:20 pm-12:44 am
1 stop7h 24m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Wed 5/13
8:05 pm-11:44 pm
1 stop4h 39m
Bozeman Gallatin Field
Sun 5/17
8:00 am-4:49 pm
1 stop7h 49m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Sat 9/5
7:30 am-2:46 pm
1 stop8h 16m
Bozeman Gallatin Field
Sat 9/19
5:45 am-12:21 pm
1 stop5h 36m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Sun 8/23
6:00 am-12:29 pm
1 stop7h 29m
Bozeman Gallatin Field
Sat 8/29
5:45 am-12:21 pm
1 stop5h 36m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Fri 5/1
1:36 pm-12:09 am
2 stops11h 33m
Bozeman Gallatin Field
Fri 5/8
8:00 am-4:49 pm
1 stop7h 49m
$310
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Wed 8/19
2:33 pm-9:28 pm
1 stop7h 55m
Great Falls
Wed 8/26
2:31 pm-9:12 pm
1 stop5h 41m
$318
ChicagoGreat Falls
ORD - GTF
ORDGTF
Chicago O'Hare Intl
Sat 4/25
7:00 am-1:31 pm
1 stop7h 31m
Great Falls
Sat 5/2
2:35 pm-9:23 pm
1 stop5h 48m
$318
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-BZN
ORD-BIL
ORD-FCA
ORD-GTF
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-BZN
ORD-BIL
ORD-FCA
ORD-GTF
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 $190). Flying from Chicago O'Hare Intl Airport to Montana in December is currently the most expensive (average of $281). 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 April 1, 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 18% 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 March 28, 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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 April 1, 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
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Overall
7.9
Food
7.0
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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O'Hare Intl and Montana flights
Browse other O'Hare Intl and Montana flight options. Last updated on April 1, 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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$315 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$210 | Average$378 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$550 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$230 | Average$457 | FlexibilityNo cancel fee | On-time69% |