$133+ Cheap flights from Bozeman (BZN) to Illinois
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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — ORD
May 3 — May 101
Round-trip
1 adult, Economy
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Cheapest flights from Bozeman to IllinoisExplore the most affordable flight options available from Bozeman to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
Explore the most affordable flight options available from Bozeman to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
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.
Fri 5/112:09 pm
BZN
- ORD
2 stops22h 24m
Multiple Airlines
Sun 5/37:45 am
ORD
- BZN
1 stop28h 34m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$268
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.
Mon 4/2012:09 pm
BZN
- ORD
2 stops42h 56m
Multiple Airlines
Wed 4/228:58 pm
ORD
- BZN
1 stop13h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$269
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.
Thu 8/274:22 pm
BZN
- STL
1 stop6h 28m
United Airlines
Sun 8/305:10 am
STL
- BZN
1 stop5h 35m
United Airlines
Deal found 3/31![United Airlines logo]()
$271
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:10 am
BZN
- STL
2 stops8h 50m
Southwest
Mon 5/46:45 pm
STL
- BZN
1 stop5h 15m
Southwest
Deal found 3/29![Southwest logo]()
$276
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.
Sun 4/195:46 pm
BZN
- ORD
1 stop11h 22m
Multiple Airlines
Wed 4/228:58 pm
ORD
- BZN
1 stop13h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 4/2. 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 4/172:53 pm
BZN
- STL
1 stop7h 43m
Delta
Thu 4/236:45 pm
STL
- BZN
1 stop6h 24m
Delta
Deal found 4/2![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 5/224:20 pm
BZN
- ORD
Nonstop3h 15m
United Airlines
Mon 5/258:10 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Deal found 4/2![United Airlines logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 9/159:20 am
BZN
- ORD
1 stop8h 43m
Alaska Airlines
Sat 9/267:00 am
ORD
- BZN
1 stop7h 24m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 9/127:00 am
BZN
- ORD
1 stop10h 04m
Alaska Airlines
Mon 9/287:00 am
ORD
- BZN
1 stop7h 24m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/13:49 pm
BZN
- ORD
1 stop7h 10m
Alaska Airlines
Fri 5/86:00 am
ORD
- BZN
1 stop9h 55m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/172:40 pm
BZN
- STL
1 stop5h 14m
United Airlines
Mon 4/206:30 am
STL
- BZN
1 stop5h 59m
United Airlines
Deal found 4/1![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 4/2. 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 5/16:15 am
BZN
- ORD
1 stop6h 40m
Southwest
Fri 5/81:35 pm
ORD
- BZN
1 stop9h 30m
Southwest
Deal found 4/2![Southwest logo]()
$300
Best flights from Bozeman to IllinoisDiscover carefully curated flight deals from Bozeman to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
Discover carefully curated flight deals from Bozeman to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:20 pm
BZN
- STL
1 stop6h 50m
Southwest
Mon 5/46:45 pm
STL
- BZN
1 stop5h 15m
Southwest
Deal found 3/29![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 4/2. 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 4/172:53 pm
BZN
- STL
1 stop7h 43m
Delta
Thu 4/236:45 pm
STL
- BZN
1 stop6h 24m
Delta
Deal found 4/2![Delta logo]()
$285
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.
Thu 6/254:29 pm
BZN
- ORD
1 stop7h 15m
United Airlines
Wed 7/15:00 am
ORD
- BZN
1 stop5h 31m
United Airlines
Deal found 3/30![United Airlines logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:00 am
BZN
- STL
1 stop6h 50m
Alaska Airlines
Wed 4/294:46 pm
STL
- BZN
1 stop8h 12m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$345
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.
Mon 5/254:57 pm
BZN
- MLI
1 stop5h 59m
American Airlines
Fri 5/296:00 am
MLI
- BZN
1 stop7h 28m
American Airlines
Deal found 3/30![American Airlines logo]()
$463
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:35 am
BZN
- STL
1 stop5h 35m
Southwest
Mon 6/87:45 pm
STL
- BZN
1 stop6h 25m
Southwest
Deal found 4/1![Southwest logo]()
$271
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.
Tue 5/53:15 pm
BZN
- ORD
1 stop7h 43m
Delta
Sat 5/95:41 pm
ORD
- BZN
1 stop7h 03m
Delta
Deal found 3/31![Delta logo]()
$305
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:20 pm
BZN
- MDW
1 stop6h 20m
Southwest
Sun 5/36:00 am
MDW
- BZN
1 stop5h 25m
Southwest
Deal found 3/29![Southwest logo]()
$305
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 4/302:53 pm
BZN
- ORD
1 stop8h 06m
Delta
Sun 5/38:50 am
ORD
- BZN
1 stop4h 44m
Delta
Deal found 3/29![Delta logo]()
$305
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 5/812:35 pm
BZN
- ORD
Nonstop3h 10m
United Airlines
Sun 5/107:00 am
ORD
- BZN
1 stop7h 34m
United Airlines
Deal found 4/2![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 4/2. 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 5/16:15 am
BZN
- MDW
1 stop9h 00m
Southwest
Fri 5/812:35 pm
MDW
- BZN
2 stops10h 30m
Southwest
Deal found 4/2![Southwest logo]()
$310
This Delta deal was found by Cheapflights users on 4/1. 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 5/22:53 pm
BZN
- MDW
1 stop6h 35m
Delta
Fri 5/81:22 pm
MDW
- BZN
2 stops11h 37m
Delta
Deal found 4/1![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 4/1. 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 6/254:30 pm
BZN
- ORD
Nonstop3h 15m
United Airlines
Thu 7/25:00 am
ORD
- BZN
1 stop5h 37m
United Airlines
Deal found 4/1![United Airlines logo]()
$343
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:15 am
BZN
- MDW
2 stops10h 00m
Southwest
Sun 5/36:00 am
MDW
- BZN
1 stop5h 25m
Southwest
Deal found 3/30![Southwest logo]()
$310
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.
Tue 6/165:15 am
BZN
- ORD
2 stops12h 14m
Delta
Tue 6/238:36 am
ORD
- BZN
1 stop7h 12m
Delta
Deal found 3/31![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/282:40 pm
BZN
- STL
1 stop5h 14m
United Airlines
Wed 4/299:10 am
STL
- BZN
2 stops13h 22m
United Airlines
Deal found 4/1![United Airlines logo]()
$366
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.
Sat 5/165:35 am
BZN
- STL
1 stop6h 57m
Delta
Sat 5/235:36 pm
STL
- BZN
1 stop7h 08m
Delta
Deal found 3/31![Delta logo]()
$315
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:10 am
BZN
- STL
2 stops8h 50m
Southwest
Thu 4/236:45 pm
STL
- BZN
1 stop5h 15m
Southwest
Deal found 3/30![Southwest logo]()
$320
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.
Thu 8/274:05 pm
BZN
- STL
1 stop5h 55m
United Airlines
Sun 8/305:10 am
STL
- BZN
2 stops10h 46m
United Airlines
Deal found 3/31![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 4/1. 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 5/25:30 am
BZN
- ORD
2 stops8h 40m
Delta
Tue 5/57:15 am
ORD
- BZN
1 stop8h 20m
Delta
Deal found 4/1![Delta logo]()
$337
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.
Mon 4/132:40 pm
BZN
- ORD
1 stop7h 14m
United Airlines
Fri 4/179:05 am
ORD
- BZN
Nonstop3h 24m
United Airlines
Deal found 3/29![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 4/2. 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.
Thu 5/144:20 pm
BZN
- STL
1 stop6h 30m
Southwest
Wed 5/202:30 pm
STL
- BZN
1 stop10h 45m
Southwest
Deal found 4/2![Southwest logo]()
$356
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.
Mon 6/18:00 am
BZN
- ORD
2 stops9h 50m
Delta
Tue 6/98:36 am
ORD
- BZN
2 stops11h 12m
Delta
Deal found 3/30![Delta logo]()
$343
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:55 am
BZN
- MDW
2 stops9h 20m
Southwest
Sat 5/25:10 am
MDW
- BZN
2 stops10h 05m
Southwest
Deal found 3/31![Southwest logo]()
$365
This deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:35 pm
BZN
- STL
1 stop4h 55m
Delta
Sat 6/135:00 pm
STL
- BZN
1 stop6h 08m
Delta
Deal found 4/2![Delta logo]()
$345
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:20 am
BZN
- ORD
2 stops10h 30m
Southwest
Sat 5/22:05 pm
ORD
- BZN
2 stops8h 35m
Southwest
Deal found 3/31![Southwest logo]()
$365
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.
Sun 6/146:00 am
BZN
- ORD
1 stop4h 31m
Delta
Sun 6/216:30 am
ORD
- BZN
1 stop4h 52m
Delta
Deal found 3/30![Delta logo]()
$355
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:20 pm
BZN
- MDW
1 stop6h 20m
Southwest
Tue 5/264:00 pm
MDW
- BZN
2 stops9h 15m
Southwest
Deal found 3/31![Southwest logo]()
$392
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 5/275:35 am
BZN
- STL
1 stop6h 57m
Delta
Mon 6/17:59 pm
STL
- BZN
1 stop5h 00m
Delta
Deal found 3/29![Delta logo]()
$380
This Southwest deal was found by Cheapflights users on 4/2. 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 5/810:55 am
BZN
- MDW
2 stops8h 35m
Southwest
Sun 5/104:00 pm
MDW
- BZN
1 stop8h 55m
Southwest
Deal found 4/2![Southwest logo]()
$402
Last-minute flights from Bozeman to IllinoisDiscover last-minute flight deals from Bozeman to Illinois. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Bozeman to Illinois. Data last updated April 3, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:15 am
BZN
- STL
2 stops8h 35m
Southwest
Mon 4/206:45 pm
STL
- BZN
1 stop5h 15m
Southwest
Deal found 4/1![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 4/2. 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 4/172:53 pm
BZN
- STL
1 stop7h 43m
Delta
Thu 4/236:45 pm
STL
- BZN
1 stop6h 24m
Delta
Deal found 4/2![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 4/1. 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 4/172:40 pm
BZN
- STL
1 stop5h 14m
United Airlines
Mon 4/206:30 am
STL
- BZN
1 stop5h 59m
United Airlines
Deal found 4/1![United Airlines logo]()
$299
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.
Sun 4/195:46 pm
BZN
- ORD
1 stop11h 22m
Multiple Airlines
Wed 4/228:58 pm
ORD
- BZN
1 stop13h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$281
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.
Mon 4/2012:09 pm
BZN
- ORD
2 stops42h 56m
Multiple Airlines
Wed 4/228:58 pm
ORD
- BZN
1 stop13h 37m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$269
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 4/225:59 am
BZN
- STL
1 stop4h 33m
Delta
Thu 4/236:45 pm
STL
- BZN
1 stop6h 24m
Delta
Deal found 3/30![Delta logo]()
$271
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:10 am
BZN
- STL
2 stops8h 50m
Southwest
Mon 5/46:45 pm
STL
- BZN
1 stop5h 15m
Southwest
Deal found 3/29![Southwest logo]()
$276
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.
Fri 5/112:09 pm
BZN
- ORD
2 stops22h 24m
Multiple Airlines
Sun 5/37:45 am
ORD
- BZN
1 stop28h 34m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$268
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/17:59 pm
BZN
- ORD
1 stop9h 41m
Alaska Airlines
Mon 5/46:00 am
ORD
- BZN
1 stop9h 55m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/13:49 pm
BZN
- ORD
1 stop7h 10m
Alaska Airlines
Fri 5/86:00 am
ORD
- BZN
1 stop9h 55m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$296
This Southwest deal was found by Cheapflights users on 4/2. 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 5/16:15 am
BZN
- ORD
1 stop6h 40m
Southwest
Fri 5/81:35 pm
ORD
- BZN
1 stop9h 30m
Southwest
Deal found 4/2![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 5/224:20 pm
BZN
- ORD
Nonstop3h 15m
United Airlines
Mon 5/258:10 pm
ORD
- BZN
Nonstop3h 28m
United Airlines
Deal found 4/2![United Airlines logo]()
$285
One-way flights from Bozeman to IllinoisSearch for one-way flight options from Bozeman to Illinois. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
Search for one-way flight options from Bozeman to Illinois. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
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.
Fri 5/13:49 pm
BZN
- ORD
1 stop7h 10m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$133
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.
Sun 5/176:35 pm
BZN
- STL
1 stop4h 55m
Delta
Deal found 3/31![Delta logo]()
$136
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.
Mon 4/2710:35 am
BZN
- ORD
2 stops57h 42m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$137
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:35 am
BZN
- MDW
Nonstop2h 50m
Southwest
Deal found 3/29![Southwest logo]()
$143
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.
Sat 7/184:58 pm
BZN
- ORD
Nonstop3h 31m
American Airlines
Deal found 3/31![American Airlines logo]()
$143
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.
Sun 5/35:46 pm
BZN
- ORD
2 stops52h 15m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$144
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.
Sun 4/195:46 pm
BZN
- ORD
2 stops30h 09m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$145
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.
Thu 4/302:40 pm
BZN
- ORD
1 stop7h 18m
United Airlines
Deal found 3/31![United Airlines logo]()
$148
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.
Sat 6/61:00 pm
BZN
- STL
1 stop7h 06m
Delta
Deal found 3/31![Delta logo]()
$150
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.
Sat 5/306:00 am
BZN
- MDW
1 stop6h 19m
Delta
Deal found 3/31![Delta logo]()
$153
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.
Sat 5/308:00 am
BZN
- ORD
1 stop8h 13m
Delta
Deal found 3/31![Delta logo]()
$153
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.
Sat 5/25:30 am
BZN
- MDW
2 stops11h 28m
Delta
Deal found 3/31![Delta logo]()
$158
Find flight deals from Bozeman to Illinois
Keep the following information in mind while searching for Bozeman to Illinois flight deals. Data was last updated April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (Kiwi.com) |
One-way from | $133 (Alaska Airlines) |
Popular in | May |
Cheapest in | September |
Average price | $335 |
Good round-trip deal | $337 or less |
Good one-way deal | $203 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Bozeman to Illinois 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 3, 2026.
Use the filters below to find and compare flights from Bozeman to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BozemanSt. Louis
BZN - STL
BZNSTL
Bozeman Gallatin Field
Tue 4/28
3:20 pm-11:10 pm
1 stop6h 50m
Lambert-St Louis
Mon 5/4
6:45 pm-11:00 pm
1 stop5h 15m
$271
BozemanSt. Louis
BZN - STL
BZNSTL
Bozeman Gallatin Field
Thu 6/4
7:35 am-2:10 pm
1 stop5h 35m
Lambert-St Louis
Mon 6/8
7:45 pm-1:10 am
1 stop6h 25m
$271
BozemanSt. Louis
BZN - STL
BZNSTL
Bozeman Gallatin Field
Fri 4/17
2:53 pm-11:36 pm
1 stop7h 43m
Lambert-St Louis
Thu 4/23
6:45 pm-12:09 am
1 stop6h 24m
$285
BozemanChicago
BZN - ORD
BZNORD
Bozeman Gallatin Field
Thu 6/25
4:29 pm-12:44 am
1 stop7h 15m
Chicago O'Hare Intl
Wed 7/1
5:00 am-9:31 am
1 stop5h 31m
$305
BozemanChicago
BZN - ORD
BZNORD
Bozeman Gallatin Field
Tue 5/5
3:15 pm-11:58 pm
1 stop7h 43m
Chicago O'Hare Intl
Sat 5/9
5:41 pm-11:44 pm
1 stop7h 03m
$305
BozemanChicago
BZN - MDW
BZNMDW
Bozeman Gallatin Field
Thu 4/30
4:20 pm-11:40 pm
1 stop6h 20m
Chicago Midway
Sun 5/3
6:00 am-10:25 am
1 stop5h 25m
$305
BozemanChicago
BZN - ORD
BZNORD
Bozeman Gallatin Field
Thu 4/30
2:53 pm-11:59 pm
1 stop8h 06m
Chicago O'Hare Intl
Sun 5/3
8:50 am-12:34 pm
1 stop4h 44m
$305
BozemanChicago
BZN - MDW
BZNMDW
Bozeman Gallatin Field
Fri 5/1
6:15 am-4:15 pm
1 stop9h 00m
Chicago Midway
Fri 5/8
12:35 pm-10:05 pm
2 stops10h 30m
$310
BozemanChicago
BZN - MDW
BZNMDW
Bozeman Gallatin Field
Sat 5/2
2:53 pm-10:28 pm
1 stop6h 35m
Chicago Midway
Fri 5/8
1:22 pm-11:59 pm
2 stops11h 37m
$310
BozemanChicago
BZN - MDW
BZNMDW
Bozeman Gallatin Field
Fri 5/1
6:15 am-5:15 pm
2 stops10h 00m
Chicago Midway
Sun 5/3
6:00 am-10:25 am
1 stop5h 25m
$310
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Bozeman to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Bozeman with our price prediction graph.
BZN-ORD
BZN-STL
BZN-MLI
BZN-MDW
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 Bozeman to Illinois
BZN-USIL
BZN-ORD
BZN-STL
BZN-MLI
BZN-MDW
What is the cheapest month to book a flight from Bozeman to Illinois?
Currently, October is the cheapest month in which you can book a flight from Bozeman to Illinois (average of $169). Flying from Bozeman to Illinois in November is currently the most expensive (average of $298). 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 BZN to IL?
Find hourly flight availability from Bozeman to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2026.
When flying from Bozeman to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Bozeman to Illinois?
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 3, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Bozeman to Illinois 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.
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Bozeman to Illinois. 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 Bozeman to Illinois
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Complete your trip
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Bozeman and Illinois flights
Browse other Bozeman and Illinois flight options. Last updated on April 3, 2026.
Popular flight searches
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Bozeman to Illinois flights
Consider these flights traveling from Bozeman to Illinois.
Top 2 airlines flying from Bozeman to Illinois
Discover the top 2 airlines that operate flights from Bozeman to Illinois. 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$187 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$191 | Average$260 | FlexibilityNo cancel fee | On-time71% |