$85+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ORD
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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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 June 9, 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 June 9, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 8/2012:40 pm
ROC
- STL
1 stop5h 58m
Delta
Thu 8/276:25 pm
STL
- ROC
1 stop3h 27m
Delta
Deal found 6/8![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 6/4. 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 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 8/1811:43 am
MLI
- ROC
2 stops10h 20m
American Airlines
Deal found 6/4![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 6/4. 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.
Fri 11/136:00 am
ROC
- MLI
1 stop5h 26m
Delta
Sun 11/155:00 pm
MLI
- ROC
1 stop5h 53m
Delta
Deal found 6/4![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 6/4. 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.
Thu 7/166:15 pm
ROC
- MLI
1 stop5h 16m
Delta
Thu 7/235:05 pm
MLI
- ROC
1 stop5h 43m
Delta
Deal found 6/4![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 10/56:00 am
ROC
- STL
1 stop5h 30m
Southwest
Thu 10/85:40 am
STL
- ROC
1 stop3h 45m
Southwest
Deal found 6/8![Southwest logo]()
$345
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:43 pm
ROC
- STL
1 stop4h 38m
American Airlines
Sun 7/266:00 am
STL
- ROC
1 stop4h 39m
American Airlines
Deal found 6/4![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 6/8. 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 8/204:05 pm
ROC
- STL
2 stops7h 00m
Southwest
Thu 8/272:20 pm
STL
- ROC
1 stop5h 35m
Southwest
Deal found 6/8![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/255:52 pm
ROC
- STL
1 stop5h 08m
United Airlines
Wed 8/266:00 am
STL
- ROC
2 stops7h 13m
United Airlines
Deal found 6/8![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 6/5. 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.
Wed 7/226:16 am
ROC
- STL
1 stop4h 15m
Delta
Sun 7/266:30 am
STL
- ROC
1 stop4h 15m
Delta
Deal found 6/5![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 6/6. 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 7/46:10 am
ROC
- STL
1 stop4h 22m
Delta
Sat 7/116:09 pm
STL
- ROC
1 stop3h 38m
Delta
Deal found 6/6![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:45 pm
ROC
- STL
1 stop4h 20m
Southwest
Sun 9/275:00 am
STL
- ROC
1 stop8h 20m
Southwest
Deal found 6/7![Southwest logo]()
$370
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:32 pm
ROC
- STL
1 stop4h 44m
American Airlines
Wed 7/159:39 am
STL
- ROC
1 stop7h 18m
American Airlines
Deal found 6/7![American Airlines logo]()
$381
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 June 9, 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 June 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/1310:45 am
ROC
- MLI
1 stop4h 06m
United Airlines
Sun 11/152:26 pm
MLI
- ROC
1 stop5h 42m
United Airlines
Deal found 6/8![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/5. 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 11/136:00 am
ROC
- MLI
1 stop5h 26m
Delta
Sun 11/155:00 pm
MLI
- ROC
1 stop5h 53m
Delta
Deal found 6/5![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 7/108:42 pm
ROC
- MLI
1 stop4h 59m
American Airlines
Mon 7/136:50 pm
MLI
- ROC
1 stop4h 06m
American Airlines
Deal found 6/6![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 10/56:00 am
ROC
- STL
1 stop5h 30m
Southwest
Thu 10/85:40 am
STL
- ROC
1 stop3h 45m
Southwest
Deal found 6/8![Southwest logo]()
$345
This Delta deal was found by Cheapflights users on 6/6. 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 7/316:00 am
ROC
- MLI
1 stop5h 12m
Delta
Mon 8/35:09 pm
MLI
- ROC
1 stop5h 41m
Delta
Deal found 6/6![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:52 pm
ROC
- MLI
1 stop6h 24m
United Airlines
Mon 6/293:47 pm
MLI
- ROC
1 stop4h 35m
United Airlines
Deal found 6/4![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/4. 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.
Thu 7/166:15 pm
ROC
- MLI
1 stop5h 16m
Delta
Thu 7/235:05 pm
MLI
- ROC
1 stop5h 43m
Delta
Deal found 6/4![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 6/4. 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.
Thu 9/104:05 pm
ROC
- STL
2 stops7h 00m
Southwest
Sun 9/135:00 am
STL
- ROC
1 stop8h 20m
Southwest
Deal found 6/4![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 6/4. 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 6/226:21 pm
ROC
- MLI
1 stop5h 13m
Delta
Mon 6/2911:08 am
MLI
- ROC
2 stops11h 21m
Delta
Deal found 6/4![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 6/8. 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 7/164:45 pm
ROC
- STL
1 stop8h 25m
Southwest
Sat 7/253:45 pm
STL
- ROC
2 stops6h 40m
Southwest
Deal found 6/8![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:45 pm
ROC
- ORD
Nonstop2h 13m
United Airlines
Mon 9/1411:16 am
ORD
- ROC
Nonstop1h 58m
United Airlines
Deal found 6/4![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 6/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:50 pm
ROC
- STL
1 stop6h 20m
Southwest
Fri 7/105:20 pm
STL
- ROC
1 stop6h 00m
Southwest
Deal found 6/5![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:20 am
ROC
- ORD
Nonstop2h 08m
United Airlines
Sun 9/66:29 am
ORD
- ROC
Nonstop2h 02m
United Airlines
Deal found 6/4![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 6/6. 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.
Wed 9/26:16 am
ROC
- STL
1 stop4h 21m
Delta
Wed 9/95:30 pm
STL
- ROC
1 stop5h 32m
Delta
Deal found 6/6![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 6/8. 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.
Fri 7/177:35 pm
ROC
- MDW
Nonstop1h 50m
Southwest
Tue 7/216:30 pm
MDW
- ROC
Nonstop1h 40m
Southwest
Deal found 6/8![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:20 am
ROC
- ORD
Nonstop2h 08m
United Airlines
Tue 7/76:45 am
ORD
- ROC
Nonstop1h 52m
United Airlines
Deal found 6/4![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 6/6. 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.
Wed 8/59:52 am
ROC
- STL
1 stop4h 22m
Delta
Sat 8/156:09 pm
STL
- ROC
1 stop3h 43m
Delta
Deal found 6/6![Delta logo]()
$391
This Southwest deal was found by Cheapflights users on 6/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/104:45 pm
ROC
- MDW
1 stop9h 00m
Southwest
Wed 7/156:30 pm
MDW
- ROC
Nonstop1h 40m
Southwest
Deal found 6/5![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:20 am
ROC
- ORD
Nonstop2h 08m
United Airlines
Tue 10/2010:55 am
ORD
- ROC
1 stop6h 04m
United Airlines
Deal found 6/7![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 7/236:16 am
ROC
- STL
1 stop4h 15m
Delta
Mon 7/276:09 pm
STL
- ROC
1 stop3h 38m
Delta
Deal found 6/5![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 6/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:20 pm
ROC
- MDW
Nonstop1h 45m
Southwest
Fri 8/147:15 am
MDW
- ROC
1 stop7h 10m
Southwest
Deal found 6/5![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Sat 7/46:20 am
ROC
- ORD
Nonstop2h 08m
United Airlines
Sat 7/1111:52 am
ORD
- ROC
Nonstop1h 57m
United Airlines
Deal found 6/6![United Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 6/4. 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.
Fri 9/114:05 pm
ROC
- MDW
1 stop5h 55m
Southwest
Mon 9/146:15 pm
MDW
- ROC
Nonstop1h 40m
Southwest
Deal found 6/4![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 6/4. 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.
Sat 7/46:10 am
ROC
- MDW
1 stop4h 04m
Delta
Tue 7/75:10 pm
MDW
- ROC
1 stop5h 38m
Delta
Deal found 6/4![Delta logo]()
$423
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 10/212:55 pm
ROC
- ORD
1 stop4h 46m
United Airlines
Sat 10/2410:03 am
ORD
- ROC
2 stops12h 41m
United Airlines
Deal found 6/8![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 6/4. 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.
Thu 7/97:35 pm
ROC
- MDW
Nonstop1h 50m
Southwest
Fri 7/1011:00 am
MDW
- ROC
1 stop7h 00m
Southwest
Deal found 6/4![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 6/8. 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 10/1612:30 pm
ROC
- ORD
1 stop6h 17m
Delta
Sun 10/187:05 am
ORD
- ROC
1 stop3h 35m
Delta
Deal found 6/8![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 6/247:03 pm
ROC
- STL
1 stop5h 32m
United Airlines
Mon 6/296:01 am
STL
- ROC
1 stop4h 43m
United Airlines
Deal found 6/8![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 6/6. 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 7/2512:20 pm
ROC
- MDW
2 stops5h 25m
Southwest
Sat 8/16:50 pm
MDW
- ROC
Nonstop1h 40m
Southwest
Deal found 6/6![Southwest logo]()
$426
This Delta deal was found by Cheapflights users on 6/7. 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 9/116:00 am
ROC
- MDW
1 stop3h 42m
Delta
Sun 9/135:25 pm
MDW
- ROC
1 stop5h 31m
Delta
Deal found 6/7![Delta logo]()
$431
Last-minute flights from Rochester to IllinoisDiscover last-minute flight deals from Rochester to Illinois. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Rochester to Illinois. Data last updated June 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:52 pm
ROC
- MLI
1 stop6h 24m
United Airlines
Mon 6/293:47 pm
MLI
- ROC
1 stop4h 35m
United Airlines
Deal found 6/4![United Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 6/4. 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 6/226:21 pm
ROC
- MLI
1 stop5h 13m
Delta
Mon 6/2911:08 am
MLI
- ROC
2 stops11h 21m
Delta
Deal found 6/4![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:52 pm
ROC
- STL
1 stop4h 34m
United Airlines
Tue 7/76:01 am
STL
- ROC
1 stop4h 39m
United Airlines
Deal found 6/7![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/6. 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 7/46:10 am
ROC
- STL
1 stop4h 22m
Delta
Sat 7/116:09 pm
STL
- ROC
1 stop3h 38m
Delta
Deal found 6/6![Delta logo]()
$366
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:32 pm
ROC
- STL
1 stop4h 44m
American Airlines
Wed 7/159:39 am
STL
- ROC
1 stop7h 18m
American Airlines
Deal found 6/7![American Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 7/96:10 am
ROC
- STL
2 stops7h 01m
United Airlines
Thu 7/166:01 am
STL
- ROC
1 stop4h 39m
United Airlines
Deal found 6/8![United Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 7/108:42 pm
ROC
- MLI
1 stop4h 59m
American Airlines
Mon 7/136:50 pm
MLI
- ROC
1 stop4h 06m
American Airlines
Deal found 6/6![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/4. 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.
Thu 7/166:15 pm
ROC
- MLI
1 stop5h 16m
Delta
Thu 7/235:05 pm
MLI
- ROC
1 stop5h 43m
Delta
Deal found 6/4![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:25 pm
ROC
- STL
1 stop5h 40m
Southwest
Wed 7/223:15 pm
STL
- ROC
2 stops6h 35m
Southwest
Deal found 6/7![Southwest logo]()
$389
This American Airlines deal was found by Cheapflights users on 6/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:43 pm
ROC
- STL
1 stop4h 38m
American Airlines
Sun 7/266:00 am
STL
- ROC
1 stop4h 39m
American Airlines
Deal found 6/4![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/5. 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.
Wed 7/226:16 am
ROC
- STL
1 stop4h 15m
Delta
Sun 7/266:30 am
STL
- ROC
1 stop4h 15m
Delta
Deal found 6/5![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 6/7. 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 7/235:48 pm
ROC
- STL
1 stop3h 49m
Delta
Sun 7/266:30 am
STL
- ROC
1 stop4h 15m
Delta
Deal found 6/7![Delta logo]()
$387
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 June 9, 2026.
Search for one-way flight options from Rochester to Illinois. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This JetBlue deal was found by Cheapflights users on 6/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:10 pm
ROC
- ORD
1 stop6h 10m
JetBlue
Deal found 6/8![JetBlue logo]()
$85
This JetBlue deal was found by Cheapflights users on 6/8. 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 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 6/8![JetBlue logo]()
$90
This JetBlue deal was found by Cheapflights users on 6/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:10 pm
ROC
- ORD
1 stop5h 05m
JetBlue
Deal found 6/8![JetBlue logo]()
$93
This JetBlue deal was found by Cheapflights users on 6/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:23 pm
ROC
- ORD
1 stop5h 11m
JetBlue
Deal found 6/7![JetBlue logo]()
$101
This Priceline deal was found by Cheapflights users on 6/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2512:10 pm
ROC
- ORD
1 stop5h 06m
JetBlue
Deal found 6/6![JetBlue logo]()
$129
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 8/58:26 pm
ROC
- ORD
Nonstop2h 18m
American Airlines
Deal found 6/8![American Airlines logo]()
$130
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 8/56:20 pm
ROC
- MDW
Nonstop1h 45m
Southwest
Deal found 6/9![Southwest logo]()
$130
This JetBlue deal was found by Cheapflights users on 6/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:17 pm
ROC
- ORD
1 stop8h 41m
JetBlue
Deal found 6/8![JetBlue logo]()
$134
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:10 pm
ROC
- ORD
1 stop6h 10m
JetBlue
Deal found 6/5![JetBlue logo]()
$140
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 8/56:03 am
ROC
- MDW
1 stop4h 56m
Delta
Deal found 6/9![Delta logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:23 pm
ROC
- STL
2 stops23h 07m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$148
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:45 pm
ROC
- STL
1 stop4h 20m
Southwest
Deal found 6/7![Southwest logo]()
$152
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 June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Delta) |
One-way from | $85 (JetBlue) |
Popular in | February |
Cheapest in | September |
Average price | $449 |
Good round-trip deal | $398 or less |
Good one-way deal | $215 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 June 9, 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
RochesterMoline
ROC - MLI
ROCMLI
Greater Rochester Intl
Fri 11/13
10:45 am-1:51 pm
1 stop4h 06m
Moline Quad-City
Sun 11/15
2:26 pm-9:08 pm
1 stop5h 42m
$319
RochesterMoline
ROC - MLI
ROCMLI
Greater Rochester Intl
Fri 11/13
6:00 am-10:26 am
1 stop5h 26m
Moline Quad-City
Sun 11/15
5:00 pm-11:53 pm
1 stop5h 53m
$319
RochesterMoline
ROC - MLI
ROCMLI
Greater Rochester Intl
Fri 7/10
8:42 pm-12:41 am
1 stop4h 59m
Moline Quad-City
Mon 7/13
6:50 pm-11:56 pm
1 stop4h 06m
$319
RochesterMoline
ROC - MLI
ROCMLI
Greater Rochester Intl
Fri 7/31
6:00 am-10:12 am
1 stop5h 12m
Moline Quad-City
Mon 8/3
5:09 pm-11:50 pm
1 stop5h 41m
$319
RochesterMoline
ROC - MLI
ROCMLI
Greater Rochester Intl
Mon 6/22
5:52 pm-11:16 pm
1 stop6h 24m
Moline Quad-City
Mon 6/29
3:47 pm-9:22 pm
1 stop4h 35m
$324
RochesterMoline
ROC - MLI
ROCMLI
Greater Rochester Intl
Thu 7/16
6:15 pm-10:31 pm
1 stop5h 16m
Moline Quad-City
Thu 7/23
5:05 pm-11:48 pm
1 stop5h 43m
$334
RochesterMoline
ROC - MLI
ROCMLI
Greater Rochester Intl
Mon 6/22
6:21 pm-10:34 pm
1 stop5h 13m
Moline Quad-City
Mon 6/29
11:08 am-11:29 pm
2 stops11h 21m
$339
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Mon 10/5
6:00 am-10:30 am
1 stop5h 30m
Lambert-St Louis
Thu 10/8
5:40 am-10:25 am
1 stop3h 45m
$345
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Thu 9/10
4:05 pm-10:05 pm
2 stops7h 00m
Lambert-St Louis
Sun 9/13
5:00 am-2:20 pm
1 stop8h 20m
$385
RochesterSt. Louis
ROC - STL
ROCSTL
Greater Rochester Intl
Wed 9/2
6:16 am-9:37 am
1 stop4h 21m
Lambert-St Louis
Wed 9/9
5:30 pm-12:02 am
1 stop5h 32m
$391
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-MDW
ROC-STL
ROC-MLI
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-MDW
ROC-STL
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 June 9, 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 June 9, 2026.
The most flights from ROC to USIL are scheduled on a Monday (25 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 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 63 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 June 8, 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 June 9, 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
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Overall
7.9
Food
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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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Rochester and Illinois flights
Browse other Rochester and Illinois flight options. Last updated on June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$259 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$305 | Average$440 | FlexibilityNo cancel fee | On-time63% |