$101+ Cheap flights from Rochester (ROC) 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ORD
Aug 12 — Aug 191
Round-trip
1 adult, Economy
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Find cheap flights from Rochester to Illinois with Cheapflights
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Cheapest flights from Rochester to IllinoisExplore the most affordable flight options available from Rochester to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
Explore the most affordable flight options available from Rochester to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:20 pm
ROC
- STL
1 stop6h 50m
Southwest
Sat 9/195:45 am
STL
- ROC
1 stop5h 00m
Southwest
Deal found 7/10![Southwest logo]()
$249
This Southwest deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:25 am
ROC
- STL
2 stops8h 40m
Southwest
Mon 10/55:25 am
STL
- ROC
1 stop4h 20m
Southwest
Deal found 7/9![Southwest logo]()
$262
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:45 pm
ROC
- STL
1 stop4h 20m
Southwest
Wed 8/196:30 am
STL
- ROC
1 stop3h 45m
Southwest
Deal found 7/11![Southwest logo]()
$276
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:45 pm
ROC
- STL
1 stop4h 20m
Southwest
Fri 9/186:05 am
STL
- ROC
1 stop5h 10m
Southwest
Deal found 7/10![Southwest logo]()
$284
This American Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:25 pm
ROC
- STL
1 stop5h 59m
American Airlines
Sat 9/195:00 am
STL
- ROC
1 stop5h 02m
American Airlines
Deal found 7/11![American Airlines logo]()
$303
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:05 am
ROC
- STL
2 stops7h 30m
Southwest
Tue 10/610:55 am
STL
- ROC
2 stops6h 10m
Southwest
Deal found 7/10![Southwest logo]()
$305
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:03 am
ROC
- MLI
1 stop5h 22m
Delta
Tue 8/185:09 pm
MLI
- ROC
1 stop5h 41m
Delta
Deal found 7/9![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:10 pm
ROC
- STL
1 stop5h 28m
United Airlines
Mon 8/178:00 am
STL
- ROC
1 stop5h 44m
United Airlines
Deal found 7/13![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:54 pm
ROC
- STL
1 stop4h 38m
United Airlines
Thu 8/139:30 am
STL
- ROC
1 stop6h 14m
United Airlines
Deal found 7/13![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:26 pm
ROC
- MLI
1 stop4h 42m
American Airlines
Tue 8/186:00 am
MLI
- ROC
2 stops10h 26m
American Airlines
Deal found 7/9![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:29 am
ROC
- ORD
Nonstop2h 06m
American Airlines
Thu 9/38:05 am
ORD
- ROC
Nonstop1h 54m
American Airlines
Deal found 7/13![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 pm
ROC
- MDW
Nonstop1h 50m
Southwest
Mon 9/78:10 am
MDW
- ROC
Nonstop1h 45m
Southwest
Deal found 7/13![Southwest logo]()
$344
Best flights from Rochester to IllinoisDiscover carefully curated flight deals from Rochester to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
Discover carefully curated flight deals from Rochester to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 am
ROC
- STL
1 stop4h 10m
Delta
Mon 10/126:00 pm
STL
- ROC
1 stop3h 46m
Delta
Deal found 7/9![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:25 am
ROC
- STL
2 stops8h 40m
Southwest
Mon 10/55:25 am
STL
- ROC
1 stop4h 20m
Southwest
Deal found 7/9![Southwest logo]()
$262
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:54 pm
ROC
- STL
1 stop4h 38m
United Airlines
Thu 8/139:30 am
STL
- ROC
1 stop6h 14m
United Airlines
Deal found 7/13![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:35 pm
ROC
- MLI
2 stops7h 33m
American Airlines
Tue 8/186:00 am
MLI
- ROC
2 stops10h 05m
American Airlines
Deal found 7/11![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:16 am
ROC
- STL
1 stop4h 21m
Delta
Wed 8/196:30 am
STL
- ROC
1 stop4h 24m
Delta
Deal found 7/10![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:45 pm
ROC
- STL
1 stop4h 20m
Southwest
Wed 8/196:30 am
STL
- ROC
1 stop3h 45m
Southwest
Deal found 7/11![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 12/85:48 pm
ROC
- STL
1 stop4h 25m
United Airlines
Wed 12/97:33 am
STL
- ROC
1 stop4h 55m
United Airlines
Deal found 7/8![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:05 pm
ROC
- STL
1 stop6h 35m
Southwest
Fri 8/286:05 am
STL
- ROC
1 stop3h 50m
Southwest
Deal found 7/11![Southwest logo]()
$345
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 10/96:05 am
ROC
- STL
1 stop4h 10m
Delta
Mon 10/126:00 pm
STL
- ROC
1 stop3h 46m
Delta
Deal found 7/8![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am
ROC
- ORD
1 stop6h 56m
United Airlines
Sat 10/312:05 pm
ORD
- ROC
Nonstop1h 46m
United Airlines
Deal found 7/12![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:05 pm
ROC
- MDW
2 stops7h 15m
Southwest
Sat 8/155:55 am
MDW
- ROC
1 stop5h 25m
Southwest
Deal found 7/13![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:15 pm
ROC
- MDW
1 stop5h 21m
Delta
Mon 8/246:42 pm
MDW
- ROC
1 stop3h 10m
Delta
Deal found 7/13![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:52 pm
ROC
- ORD
Nonstop2h 08m
United Airlines
Thu 8/136:25 pm
ORD
- ROC
Nonstop2h 04m
United Airlines
Deal found 7/8![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:45 pm
ROC
- MDW
1 stop9h 00m
Southwest
Wed 8/55:50 pm
MDW
- ROC
Nonstop1h 40m
Southwest
Deal found 7/12![Southwest logo]()
$365
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:17 pm
ROC
- ORD
1 stop6h 35m
Delta
Wed 8/55:30 am
ORD
- ROC
1 stop5h 01m
Delta
Deal found 7/12![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am
ROC
- MLI
1 stop4h 22m
United Airlines
Sun 11/152:35 pm
MLI
- ROC
1 stop5h 42m
United Airlines
Deal found 7/9![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/134:05 pm
ROC
- MDW
2 stops7h 15m
Southwest
Mon 8/178:10 am
MDW
- ROC
2 stops8h 55m
Southwest
Deal found 7/8![Southwest logo]()
$365
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:34 pm
ROC
- MLI
2 stops10h 45m
Delta
Tue 8/1811:08 am
MLI
- ROC
2 stops11h 15m
Delta
Deal found 7/10![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:08 am
ROC
- PAH
2 stops8h 02m
United Airlines
Tue 9/15:00 am
PAH
- ROC
2 stops8h 13m
United Airlines
Deal found 7/12![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:35 pm
ROC
- MDW
2 stops8h 55m
Southwest
Sat 12/58:00 am
MDW
- ROC
2 stops6h 25m
Southwest
Deal found 7/9![Southwest logo]()
$365
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:16 am
ROC
- MDW
1 stop4h 01m
Delta
Fri 9/115:45 pm
MDW
- ROC
1 stop4h 10m
Delta
Deal found 7/9![Delta logo]()
$392
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:20 am
ROC
- STL
1 stop6h 51m
United Airlines
Sun 8/26:01 am
STL
- ROC
1 stop4h 39m
United Airlines
Deal found 7/10![United Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:15 pm
ROC
- MDW
1 stop5h 21m
Delta
Sun 8/236:42 pm
MDW
- ROC
1 stop3h 10m
Delta
Deal found 7/9![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:45 pm
ROC
- MDW
Nonstop1h 50m
Southwest
Sun 9/271:40 pm
MDW
- ROC
Nonstop1h 35m
Southwest
Deal found 7/11![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:00 am
ROC
- ORD
Nonstop2h 08m
United Airlines
Mon 8/31:55 pm
ORD
- ROC
Nonstop1h 50m
United Airlines
Deal found 7/13![United Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:16 am
ROC
- MDW
1 stop4h 01m
Delta
Sat 8/296:42 pm
MDW
- ROC
1 stop3h 10m
Delta
Deal found 7/12![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:25 am
ROC
- MDW
Nonstop1h 40m
Southwest
Sun 9/206:25 pm
MDW
- ROC
Nonstop1h 40m
Southwest
Deal found 7/12![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:00 am
ROC
- ORD
Nonstop2h 08m
United Airlines
Wed 8/56:29 pm
ORD
- ROC
Nonstop1h 53m
United Airlines
Deal found 7/12![United Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:15 pm
ROC
- MDW
1 stop5h 21m
Delta
Sat 9/54:39 pm
MDW
- ROC
1 stop6h 11m
Delta
Deal found 7/12![Delta logo]()
$425
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:50 pm
ROC
- ORD
2 stops16h 39m
United Airlines
Sat 9/56:15 pm
ORD
- ROC
1 stop4h 29m
United Airlines
Deal found 7/12![United Airlines logo]()
$437
Last-minute flights from Rochester to IllinoisDiscover last-minute flight deals from Rochester to Illinois. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Rochester to Illinois. Data last updated July 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:26 pm
ROC
- STL
1 stop4h 48m
American Airlines
Mon 8/174:54 pm
STL
- ROC
1 stop6h 01m
American Airlines
Deal found 7/11![American Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:54 pm
ROC
- STL
1 stop4h 38m
United Airlines
Thu 8/139:30 am
STL
- ROC
1 stop6h 14m
United Airlines
Deal found 7/13![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:10 pm
ROC
- STL
1 stop5h 28m
United Airlines
Mon 8/178:00 am
STL
- ROC
1 stop5h 44m
United Airlines
Deal found 7/13![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:16 am
ROC
- STL
1 stop4h 21m
Delta
Wed 8/196:30 am
STL
- ROC
1 stop4h 24m
Delta
Deal found 7/10![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:45 pm
ROC
- STL
1 stop4h 20m
Southwest
Wed 8/196:30 am
STL
- ROC
1 stop3h 45m
Southwest
Deal found 7/11![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:03 am
ROC
- MLI
1 stop5h 22m
Delta
Tue 8/185:09 pm
MLI
- ROC
1 stop5h 41m
Delta
Deal found 7/9![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:26 pm
ROC
- MLI
1 stop4h 42m
American Airlines
Tue 8/186:00 am
MLI
- ROC
2 stops10h 26m
American Airlines
Deal found 7/9![American Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:05 pm
ROC
- MDW
2 stops7h 15m
Southwest
Sat 8/155:55 am
MDW
- ROC
1 stop5h 25m
Southwest
Deal found 7/13![Southwest logo]()
$346
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:09 am
ROC
- STL
1 stop6h 05m
American Airlines
Sun 8/239:46 am
STL
- ROC
1 stop6h 40m
American Airlines
Deal found 7/9![American Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:08 am
ROC
- STL
2 stops6h 54m
United Airlines
Fri 8/289:30 am
STL
- ROC
1 stop4h 14m
United Airlines
Deal found 7/11![United Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:35 pm
ROC
- STL
1 stop4h 53m
American Airlines
Sun 8/309:46 am
STL
- ROC
1 stop6h 40m
American Airlines
Deal found 7/8![American Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:29 am
ROC
- ORD
Nonstop2h 06m
American Airlines
Thu 9/38:05 am
ORD
- ROC
Nonstop1h 54m
American Airlines
Deal found 7/13![American Airlines logo]()
$344
One-way flights from Rochester to IllinoisSearch for one-way flight options from Rochester to Illinois. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
Search for one-way flight options from Rochester to Illinois. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This JetBlue deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:10 pm
ROC
- ORD
1 stop6h 10m
JetBlue
Deal found 7/9![JetBlue logo]()
$101
This JetBlue deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/42:17 pm
ROC
- ORD
1 stop8h 41m
JetBlue
Deal found 7/9![JetBlue logo]()
$106
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/314:05 pm
ROC
- STL
1 stop6h 35m
Southwest
Deal found 7/11![Southwest logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:23 pm
ROC
- ORD
2 stops28h 45m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$127
This JetBlue deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:30 pm
ROC
- ORD
1 stop5h 05m
JetBlue
Deal found 7/13![JetBlue logo]()
$129
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:20 pm
ROC
- MDW
Nonstop1h 45m
Southwest
Deal found 7/10![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:45 pm
ROC
- MDW
Nonstop1h 50m
Southwest
Deal found 7/9![Southwest logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:05 pm
ROC
- ORD
2 stops21h 21m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$132
This KAYAK deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:10 pm
ROC
- ORD
1 stop6h 25m
JetBlue
Deal found 7/13![JetBlue logo]()
$133
This JetBlue deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:47 pm
ROC
- ORD
1 stop9h 11m
JetBlue
Deal found 7/13![JetBlue logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:23 pm
ROC
- MDW
2 stops28h 24m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:15 pm
ROC
- STL
1 stop5h 00m
Southwest
Deal found 7/9![Southwest logo]()
$138
Find flight deals from Rochester to Illinois
Keep the following information in mind while searching for Rochester to Illinois flight deals. Data was last updated July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Delta) |
One-way from | $101 (JetBlue) |
Popular in | February |
Cheapest in | September |
Average price | $433 |
Good round-trip deal | $374 or less |
Good one-way deal | $219 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Rochester 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 July 13, 2026.
Use the filters below to find and compare flights from Rochester to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Sat 10/10
6:05 am-9:15 am
1 stop4h 10m
Lambert-St Louis
Mon 10/12
6:00 pm-10:46 pm
1 stop3h 46m
$249
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Thu 8/13
6:16 am-9:37 am
1 stop4h 21m
Lambert-St Louis
Wed 8/19
6:30 am-11:54 am
1 stop4h 24m
$249
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Thu 10/1
11:25 am-7:05 pm
2 stops8h 40m
Lambert-St Louis
Mon 10/5
5:25 am-10:45 am
1 stop4h 20m
$262
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Thu 8/13
6:45 pm-10:05 pm
1 stop4h 20m
Lambert-St Louis
Wed 8/19
6:30 am-11:15 am
1 stop3h 45m
$276
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Mon 8/10
7:54 pm-11:32 pm
1 stop4h 38m
Lambert-St Louis
Thu 8/13
9:30 am-4:44 pm
1 stop6h 14m
$314
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Tue 12/8
5:48 pm-9:13 pm
1 stop4h 25m
Lambert-St Louis
Wed 12/9
7:33 am-1:28 pm
1 stop4h 55m
$329
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Thu 8/27
4:05 pm-9:40 pm
1 stop6h 35m
Lambert-St Louis
Fri 8/28
6:05 am-10:55 am
1 stop3h 50m
$345
RochesterChicago
ROC - MDW
ROCMDW
Greater Rochester Intl
Thu 8/13
4:05 pm-10:20 pm
2 stops7h 15m
Chicago Midway
Sat 8/15
5:55 am-12:20 pm
1 stop5h 25m
$346
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Fri 10/9
6:05 am-9:15 am
1 stop4h 10m
Lambert-St Louis
Mon 10/12
6:00 pm-10:46 pm
1 stop3h 46m
$364
RochesterChicago
ROC - MDW
ROCMDW
Greater Rochester Intl
Fri 8/21
6:15 pm-10:36 pm
1 stop5h 21m
Chicago Midway
Mon 8/24
6:42 pm-10:52 pm
1 stop3h 10m
$364
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Rochester to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Rochester with our price prediction graph.
ROC-ORD
ROC-STL
ROC-MDW
ROC-MLI
ROC-PAH
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 Rochester to Illinois
ROC-USIL
ROC-ORD
ROC-STL
ROC-MDW
ROC-MLI
What is the cheapest month to book a flight from Rochester to Illinois?
Currently, February is the cheapest month in which you can book a flight from Rochester to Illinois (average of $75). Flying from Rochester to Illinois in June is currently the most expensive (average of $293). 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 ROC to IL?
Find hourly flight availability from Rochester 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 July 13, 2026.
It’s optimal to fly from Rochester to Illinois in the afternoon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Rochester to Illinois
Explore weekly flight availability from Rochester to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 13, 2026.
The most flights from ROC to USIL are scheduled on a Monday (25 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Rochester to Illinois?
How far ahead should I book a flight from Rochester to Illinois?
The best time to book flights from Rochester to Illinois is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Rochester to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Rochester to Illinois. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Rochester to Illinois flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 13, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Rochester 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.
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Rochester 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 Rochester to Illinois
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Complete your trip
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Search flights from Rochester to Illinois by cabin class
Find flights from Rochester to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Rochester and Illinois flights
Browse other Rochester and Illinois flight options. Last updated on July 13, 2026.
Popular flight searches
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Rochester to Illinois flights
Consider these flights traveling from Rochester to Illinois.
Top 3 airlines flying from Rochester to Illinois
Discover the top 3 airlines that operate flights from Rochester 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 July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$440 | FlexibilityNo cancel fee | On-time63% |