$125+ Cheap flights from Chicago (CHI) to Montana
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BZN
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Montana with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Chicago to MontanaExplore the most affordable flight options available from Chicago to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from Chicago to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:20 pm
ORD
- BIL
Nonstop3h 02m
American Airlines
Tue 9/227:16 am
BIL
- ORD
Nonstop2h 54m
American Airlines
Deal found 5/6![American Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:40 am
ORD
- BIL
Nonstop3h 11m
American Airlines
Wed 9/97:16 am
BIL
- ORD
Nonstop2h 54m
American Airlines
Deal found 5/5![American Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/295:54 pm
ORD
- BIL
1 stop6h 26m
Delta
Tue 8/115:10 am
BIL
- ORD
1 stop5h 49m
Delta
Deal found 5/3![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/297:06 pm
MDW
- BIL
1 stop5h 14m
Delta
Tue 8/115:10 am
BIL
- MDW
2 stops12h 23m
Delta
Deal found 5/3![Delta logo]()
$276
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/292:07 pm
ORD
- BIL
2 stops10h 13m
Delta
Wed 8/125:10 am
BIL
- ORD
1 stop5h 49m
Delta
Deal found 5/3![Delta logo]()
$276
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:15 pm
ORD
- BIL
2 stops10h 22m
Delta
Sat 9/125:45 am
BIL
- ORD
2 stops8h 13m
Delta
Deal found 5/5![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/297:06 pm
MDW
- BIL
1 stop5h 14m
Delta
Thu 8/136:26 am
BIL
- MDW
1 stop5h 42m
Delta
Deal found 5/3![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 5/6![Delta logo]()
$290
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:52 pm
ORD
- BZN
1 stop8h 07m
Alaska Airlines
Wed 9/303:40 pm
BZN
- ORD
1 stop7h 01m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:00 pm
ORD
- BZN
1 stop6h 43m
American Airlines
Sat 6/135:00 pm
BZN
- ORD
Nonstop3h 20m
American Airlines
Deal found 5/6![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 pm
MDW
- BZN
1 stop6h 30m
Southwest
Fri 7/107:35 am
BZN
- MDW
Nonstop2h 50m
Southwest
Deal found 5/2![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 8/11:49 pm
MDW
- BIL
1 stop7h 10m
Delta
Thu 8/136:26 am
BIL
- MDW
2 stops11h 07m
Delta
Deal found 5/3![Delta logo]()
$295
Best flights from Chicago to MontanaDiscover carefully curated flight deals from Chicago to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from Chicago to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Mon 6/155:00 am
ORD
- BZN
1 stop5h 37m
United Airlines
Thu 6/188:00 am
BZN
- ORD
Nonstop2h 59m
United Airlines
Deal found 5/2![United Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 pm
MDW
- BZN
1 stop6h 30m
Southwest
Fri 7/107:35 am
BZN
- MDW
Nonstop2h 50m
Southwest
Deal found 5/2![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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
2 stops8h 47m
Delta
Deal found 5/4![Delta logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/25:44 pm
ORD
- GTF
1 stop25h 28m
Alaska Airlines
Mon 6/86:52 pm
GTF
- ORD
1 stop10h 28m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 8/19:57 pm
ORD
- GTF
2 stops36h 32m
Multiple Airlines
Mon 8/1010:19 am
GTF
- ORD
1 stop18h 09m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:57 pm
ORD
- BIL
1 stop6h 35m
Delta
Wed 6/246:24 am
BIL
- ORD
1 stop4h 07m
Delta
Deal found 5/7![Delta logo]()
$300
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Mon 6/15:00 am
ORD
- BZN
1 stop5h 37m
United Airlines
Mon 6/85:38 pm
BZN
- ORD
1 stop6h 06m
United Airlines
Deal found 5/2![United Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:55 pm
MDW
- BZN
1 stop9h 15m
Southwest
Fri 7/171:50 pm
BZN
- MDW
1 stop8h 35m
Southwest
Deal found 5/6![Southwest logo]()
$305
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/237:40 pm
ORD
- BZN
1 stop5h 43m
Delta
Thu 8/66:00 am
BZN
- ORD
1 stop4h 59m
Delta
Deal found 5/3![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:45 am
MDW
- BZN
1 stop11h 10m
Southwest
Mon 8/31:50 pm
BZN
- MDW
1 stop8h 35m
Southwest
Deal found 5/6![Southwest logo]()
$310
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:00 pm
ORD
- BZN
1 stop6h 08m
Delta
Fri 7/33:56 pm
BZN
- ORD
1 stop6h 43m
Delta
Deal found 5/6![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:57 pm
ORD
- BIL
1 stop6h 16m
Delta
Sat 8/225:10 am
BIL
- ORD
2 stops11h 23m
Delta
Deal found 5/7![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:15 pm
ORD
- COD
Nonstop3h 30m
United Airlines
Tue 6/25:55 pm
COD
- ORD
1 stop5h 49m
United Airlines
Deal found 5/6![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 pm
MDW
- BZN
1 stop5h 40m
Southwest
Sun 8/28:20 pm
BZN
- MDW
1 stop8h 05m
Southwest
Deal found 5/6![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:12 pm
ORD
- BZN
2 stops10h 52m
Delta
Thu 8/131:09 pm
BZN
- ORD
1 stop7h 49m
Delta
Deal found 5/5![Delta logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:42 pm
ORD
- GTF
1 stop22h 47m
Alaska Airlines
Fri 7/105:09 pm
GTF
- ORD
1 stop12h 11m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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
Fri 8/76:00 pm
BIL
- ORD
1 stop5h 44m
United Airlines
Deal found 5/3![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 5/2. 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.
Fri 7/33:55 pm
ORD
- BZN
1 stop4h 50m
Delta
Fri 7/108:25 am
BZN
- ORD
2 stops12h 23m
Delta
Deal found 5/2![Delta logo]()
$310
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/254:50 pm
MDW
- BZN
1 stop7h 00m
Southwest
Wed 7/296:40 am
BZN
- MDW
Nonstop2h 50m
Southwest
Deal found 5/4![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:15 pm
ORD
- COD
Nonstop3h 30m
United Airlines
Wed 9/26:00 pm
COD
- ORD
1 stop4h 59m
United Airlines
Deal found 5/5![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stops11h 42m
Delta
Deal found 5/5![Delta logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 am
ORD
- GTF
1 stop8h 35m
Alaska Airlines
Wed 10/285:15 pm
GTF
- ORD
1 stop24h 05m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:15 am
MDW
- BZN
1 stop5h 20m
Southwest
Thu 6/184:30 pm
BZN
- MDW
1 stop6h 40m
Southwest
Deal found 5/2![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:54 pm
ORD
- BZN
2 stops7h 29m
Delta
Sat 8/16:00 am
BZN
- ORD
1 stop4h 45m
Delta
Deal found 5/5![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:40 am
ORD
- FCA
Nonstop3h 46m
United Airlines
Tue 9/2212:32 pm
FCA
- ORD
Nonstop3h 31m
United Airlines
Deal found 5/6![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:15 pm
MDW
- BZN
1 stop6h 45m
Southwest
Mon 6/81:50 pm
BZN
- MDW
2 stops9h 45m
Southwest
Deal found 5/2![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:54 pm
ORD
- BZN
1 stop6h 58m
Delta
Sun 7/195:15 am
BZN
- ORD
1 stop5h 44m
Delta
Deal found 5/6![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/228:40 am
ORD
- MSO
Nonstop3h 52m
United Airlines
Sat 6/275:20 pm
MSO
- ORD
1 stop6h 24m
United Airlines
Deal found 5/3![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:22 pm
MDW
- BZN
2 stops11h 22m
Delta
Sat 6/136:00 am
BZN
- MDW
2 stops11h 11m
Delta
Deal found 5/5![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/212:56 pm
ORD
- COD
1 stop5h 24m
United Airlines
Tue 6/95:55 pm
COD
- ORD
1 stop14h 43m
United Airlines
Deal found 5/3![United Airlines logo]()
$438
Last-minute flights from Chicago to MontanaDiscover last-minute flight deals from Chicago to Montana. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Montana. Data last updated May 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:50 pm
ORD
- BIL
1 stop8h 25m
American Airlines
Sun 5/3112:42 pm
BIL
- ORD
Nonstop3h 02m
American Airlines
Deal found 5/5![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/212:56 pm
ORD
- COD
1 stop5h 24m
United Airlines
Tue 6/95:55 pm
COD
- ORD
1 stop5h 49m
United Airlines
Deal found 5/3![United Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Tue 6/28:15 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Tue 6/94:25 pm
BZN
- ORD
Nonstop3h 15m
United Airlines
Deal found 5/2![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:16 pm
ORD
- FCA
Nonstop3h 46m
American Airlines
Sun 6/74:48 pm
FCA
- ORD
Nonstop3h 42m
American Airlines
Deal found 5/5![American Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:20 pm
MDW
- BZN
2 stops10h 35m
Southwest
Mon 6/87:35 am
BZN
- MDW
Nonstop2h 50m
Southwest
Deal found 5/6![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:13 pm
MDW
- BZN
1 stop5h 31m
Delta
Sat 6/1311:27 am
BZN
- MDW
1 stop5h 27m
Delta
Deal found 5/6![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/106:00 am
ORD
- BZN
1 stop9h 09m
Alaska Airlines
Thu 6/111:50 pm
BZN
- ORD
1 stop8h 46m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:00 am
ORD
- BZN
1 stop6h 57m
American Airlines
Sun 6/145:00 pm
BZN
- ORD
Nonstop3h 20m
American Airlines
Deal found 5/5![American Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 6/1512:13 pm
BZN
- ORD
1 stop5h 45m
Delta
Deal found 5/6![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/133:55 pm
ORD
- BIL
1 stop5h 07m
Delta
Sat 6/205:20 am
BIL
- ORD
1 stop5h 40m
Delta
Deal found 5/3![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Mon 6/158:15 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Thu 6/188:00 am
BZN
- ORD
Nonstop2h 59m
United Airlines
Deal found 5/2![United Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:57 pm
ORD
- BIL
1 stop6h 35m
Delta
Tue 6/236:24 am
BIL
- ORD
1 stop7h 41m
Delta
Deal found 5/5![Delta logo]()
$290
One-way flights from Chicago to MontanaSearch for one-way flight options from Chicago to Montana. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from Chicago to Montana. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:20 am
ORD
- MSO
1 stop27h 14m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:15 am
ORD
- MSO
1 stop27h 19m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$131
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:30 am
ORD
- BZN
Nonstop3h 25m
American Airlines
Deal found 5/6![American Airlines logo]()
$143
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:05 am
MDW
- BZN
Nonstop3h 10m
Southwest
Deal found 5/4![Southwest logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/279:37 pm
ORD
- BIL
2 stops36h 33m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:37 pm
ORD
- BZN
2 stops19h 08m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$145
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/86:55 am
ORD
- BZN
1 stop8h 35m
Delta
Deal found 5/3![Delta logo]()
$153
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:16 pm
MDW
- BZN
1 stop5h 42m
Delta
Deal found 5/6![Delta logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/279:37 pm
ORD
- FCA
2 stops37h 09m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:15 am
ORD
- BZN
2 stops30h 35m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:50 pm
ORD
- MSO
3 stops20h 33m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:40 pm
ORD
- BZN
1 stop5h 43m
Delta
Deal found 5/7![Delta logo]()
$158
Find flight deals from Chicago to Montana
Keep the following information in mind while searching for Chicago to Montana flight deals. Data was last updated May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (American Airlines) |
One-way from | $125 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $365 |
Good round-trip deal | $330 or less |
Good one-way deal | $182 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Montana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from Chicago to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Mon 6/15
5:00 am-9:37 am
1 stop5h 37m
Bozeman Gallatin Field
Thu 6/18
8:00 am-11:59 am
Nonstop2h 59m
$295
ChicagoBozeman
MDW - BZN
MDWBZN
Chicago Midway
Fri 7/3
6:00 pm-11:30 pm
1 stop6h 30m
Bozeman Gallatin Field
Fri 7/10
7:35 am-11:25 am
Nonstop2h 50m
$295
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-2:57 pm
2 stops8h 47m
$295
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Fri 6/19
5:57 pm-11:32 pm
1 stop6h 35m
Billings Logan Intl
Wed 6/24
6:24 am-11:31 am
1 stop4h 07m
$300
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Mon 6/1
5:00 am-9:37 am
1 stop5h 37m
Bozeman Gallatin Field
Mon 6/8
5:38 pm-12:44 am
1 stop6h 06m
$305
ChicagoBozeman
MDW - BZN
MDWBZN
Chicago Midway
Fri 7/10
4:55 pm-1:10 am
1 stop9h 15m
Bozeman Gallatin Field
Fri 7/17
1:50 pm-11:25 pm
1 stop8h 35m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Thu 7/23
7:40 pm-12:23 am
1 stop5h 43m
Bozeman Gallatin Field
Thu 8/6
6:00 am-11:59 am
1 stop4h 59m
$305
ChicagoBozeman
ORD - BZN
ORDBZN
Chicago O'Hare Intl
Sat 6/27
5:00 pm-10:08 pm
1 stop6h 08m
Bozeman Gallatin Field
Fri 7/3
3:56 pm-11:39 pm
1 stop6h 43m
$305
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Thu 8/13
5:57 pm-11:13 pm
1 stop6h 16m
Billings Logan Intl
Sat 8/22
5:10 am-5:33 pm
2 stops11h 23m
$305
ChicagoBozeman
MDW - BZN
MDWBZN
Chicago Midway
Fri 7/31
5:45 am-3:55 pm
1 stop11h 10m
Bozeman Gallatin Field
Mon 8/3
1:50 pm-11:25 pm
1 stop8h 35m
$310
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Chicago with our price prediction graph.
MDW-BZN
ORD-BIL
ORD-BZN
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 to Montana
CHI-USMT
MDW-BZN
ORD-BIL
ORD-BZN
ORD-FCA
How far ahead should I book a flight from Chicago to Montana?
The best time to book flights from Chicago to Montana is 60 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 to Montana?
Currently, October is the cheapest month in which you can book a flight from Chicago to Montana (average of $133). Flying from Chicago to Montana in July is currently the most expensive (average of $603). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to MT?
Find hourly flight availability from Chicago to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 7, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Chicago to Montana by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Chicago to Montana?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Montana. Price data was last updated on May 2, 2026.
Travelers seeking maximum savings on their Chicago 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 to Montana
Explore weekly flight availability from Chicago to Montana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 7, 2026.
The most flights from CHI to USMT are scheduled on a Monday (4 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Chicago 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 7, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta from Chicago to Montana by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Chicago to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to Montana
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Montana by cabin class
Find flights from Chicago to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Montana flights
Browse other Chicago and Montana flight options. Last updated on May 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Montana flights
Consider these flights traveling from Chicago to Montana.
Top 5 airlines flying from Chicago to Montana
Discover the top 5 airlines that operate flights from Chicago to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$210 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$210 | Average$415 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$216 | Average$318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$480 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$229 | Average$456 | FlexibilityNo cancel fee | On-time69% |