$82+ Cheap flights from Rhode Island 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — ORD
Jun 2 — Jun 91
Round-trip
1 adult, Economy
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Cheapest flights from Rhode Island to IllinoisExplore the most affordable flight options available from Rhode Island to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
Explore the most affordable flight options available from Rhode Island to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:01 pm
BOS
- MDW
1 stop11h 01m
Frontier
Mon 6/112:04 pm
MDW
- BOS
1 stop12h 20m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:07 am
BOS
- ORD
1 stop14h 06m
Frontier
Tue 5/191:59 pm
ORD
- BOS
1 stop10h 25m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:20 pm
BOS
- ORD
Nonstop3h 05m
JetBlue
Tue 7/2110:56 am
ORD
- BOS
Nonstop2h 27m
JetBlue
Deal found 4/30![JetBlue logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 5/265:45 am
BOS
- ORD
1 stop31h 52m
Multiple Airlines
Tue 6/91:29 pm
ORD
- BOS
1 stop10h 58m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$164
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:10 am
BOS
- ORD
Nonstop2h 56m
JetBlue
Tue 7/78:20 pm
ORD
- BOS
Nonstop2h 31m
JetBlue
Deal found 4/29![JetBlue logo]()
$165
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:46 pm
BOS
- ORD
Nonstop3h 14m
American Airlines
Wed 6/177:00 am
ORD
- BOS
Nonstop2h 26m
American Airlines
Deal found 4/29![American Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 4/29. 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.
Sat 6/62:10 pm
BOS
- MDW
Nonstop2h 40m
Southwest
Tue 6/97:40 am
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 4/29![Southwest logo]()
$167
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:19 am
BOS
- ORD
Nonstop2h 58m
United Airlines
Sat 6/66:20 pm
ORD
- BOS
Nonstop2h 36m
United Airlines
Deal found 4/29![United Airlines logo]()
$167
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:47 pm
BOS
- ORD
Nonstop3h 06m
Multiple Airlines
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$169
This Super.com deal was found by Cheapflights users on 5/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:10 am
BOS
- ORD
Nonstop2h 56m
JetBlue
Mon 7/208:20 pm
ORD
- BOS
Nonstop2h 31m
JetBlue
Deal found 5/1![JetBlue logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 am
BOS
- ORD
1 stop31h 52m
Multiple Airlines
Wed 6/31:29 pm
ORD
- BOS
1 stop10h 55m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:25 am
BOS
- MDW
Nonstop2h 35m
Southwest
Wed 6/106:05 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 4/28![Southwest logo]()
$172
Best flights from Rhode Island to IllinoisDiscover carefully curated flight deals from Rhode Island to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
Discover carefully curated flight deals from Rhode Island to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:19 am
BOS
- ORD
Nonstop2h 58m
United Airlines
Tue 6/99:41 pm
ORD
- BOS
Nonstop2h 33m
United Airlines
Deal found 5/2![United Airlines logo]()
$167
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:35 am
BOS
- MDW
Nonstop2h 35m
Southwest
Thu 7/167:35 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 5/2![Southwest logo]()
$172
This JetBlue deal was found by Cheapflights users on 5/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:00 am
BOS
- ORD
Nonstop2h 59m
JetBlue
Wed 6/108:50 am
ORD
- BOS
Nonstop2h 30m
JetBlue
Deal found 5/1![JetBlue logo]()
$172
This Delta deal was found by Cheapflights users on 5/1. 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.
Mon 6/227:30 am
BOS
- ORD
Nonstop2h 58m
Delta
Wed 7/17:10 am
ORD
- BOS
Nonstop2h 36m
Delta
Deal found 5/1![Delta logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:33 pm
BOS
- RFD
1 stop20h 44m
Multiple Airlines
Sun 6/711:27 am
RFD
- BOS
1 stop11h 27m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$296
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:46 pm
BOS
- BMI
1 stop5h 49m
American Airlines
Mon 6/156:02 pm
BMI
- BOS
1 stop5h 26m
American Airlines
Deal found 5/1![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:55 am
BOS
- ORD
Nonstop2h 53m
United Airlines
Thu 6/189:26 pm
ORD
- BOS
Nonstop2h 33m
United Airlines
Deal found 4/28![United Airlines logo]()
$172
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:20 pm
BOS
- ORD
Nonstop3h 05m
JetBlue
Mon 7/208:20 pm
ORD
- BOS
Nonstop2h 31m
JetBlue
Deal found 4/29![JetBlue logo]()
$191
This United Airlines deal was found by Cheapflights users on 5/1. 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 8/206:42 pm
BOS
- ORD
Nonstop2h 57m
United Airlines
Mon 8/317:46 pm
ORD
- BOS
Nonstop2h 34m
United Airlines
Deal found 5/1![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:30 am
BOS
- ORD
Nonstop2h 58m
Delta
Wed 6/247:25 pm
ORD
- BOS
Nonstop2h 37m
Delta
Deal found 5/2![Delta logo]()
$202
This Southwest deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:20 pm
BOS
- MDW
Nonstop2h 35m
Southwest
Wed 9/308:45 am
MDW
- BOS
Nonstop2h 30m
Southwest
Deal found 5/3![Southwest logo]()
$205
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:00 am
BOS
- ORD
Nonstop2h 58m
United Airlines
Wed 7/156:00 am
ORD
- BOS
1 stop4h 16m
United Airlines
Deal found 5/2![United Airlines logo]()
$182
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:20 pm
BOS
- ORD
Nonstop3h 05m
JetBlue
Fri 7/108:20 pm
ORD
- BOS
Nonstop2h 31m
JetBlue
Deal found 4/29![JetBlue logo]()
$205
This Southwest deal was found by Cheapflights users on 4/30. 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.
Sun 6/2810:05 pm
BOS
- MDW
Nonstop2h 40m
Southwest
Tue 7/73:10 pm
MDW
- BOS
1 stop7h 20m
Southwest
Deal found 4/30![Southwest logo]()
$232
This United Airlines deal was found by Cheapflights users on 5/1. 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 7/35:45 am
BOS
- ORD
1 stop4h 51m
United Airlines
Wed 7/87:45 pm
ORD
- BOS
Nonstop2h 36m
United Airlines
Deal found 5/1![United Airlines logo]()
$196
This Southwest deal was found by Cheapflights users on 4/29. 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.
Fri 7/32:20 pm
BOS
- MDW
1 stop8h 00m
Southwest
Tue 7/77:40 am
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 4/29![Southwest logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
BOS
- RFD
1 stop29h 37m
Multiple Airlines
Mon 7/207:50 pm
RFD
- BOS
1 stop25h 51m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:45 am
BOS
- ORD
1 stop4h 51m
United Airlines
Wed 5/279:41 pm
ORD
- BOS
Nonstop2h 33m
United Airlines
Deal found 4/28![United Airlines logo]()
$208
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:55 pm
BOS
- MDW
1 stop4h 50m
Southwest
Sat 9/197:40 am
MDW
- BOS
Nonstop2h 20m
Southwest
Deal found 5/2![Southwest logo]()
$236
This Southwest deal was found by Cheapflights users on 4/29. 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 7/304:45 pm
BOS
- MDW
Nonstop2h 50m
Southwest
Sat 8/15:25 am
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 4/29![Southwest logo]()
$247
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:45 am
PVD
- ORD
1 stop5h 39m
Delta
Mon 9/285:45 pm
ORD
- PVD
1 stop4h 36m
Delta
Deal found 4/29![Delta logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:20 am
BOS
- RFD
1 stop24h 57m
Multiple Airlines
Thu 6/1811:27 am
RFD
- BOS
1 stop11h 31m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:20 am
BOS
- MDW
2 stops6h 50m
Southwest
Wed 6/36:00 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Deal found 4/28![Southwest logo]()
$252
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:23 pm
PVD
- STL
1 stop7h 36m
Delta
Wed 5/279:13 am
STL
- PVD
1 stop5h 32m
Delta
Deal found 4/29![Delta logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
BOS
- RFD
1 stop29h 37m
Multiple Airlines
Sun 7/1211:27 am
RFD
- BOS
1 stop11h 31m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:25 am
BOS
- MDW
Nonstop2h 35m
Southwest
Tue 6/3010:10 am
MDW
- BOS
2 stops6h 35m
Southwest
Deal found 4/28![Southwest logo]()
$256
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:35 am
BOS
- BMI
1 stop6h 48m
Delta
Mon 6/14:14 pm
BMI
- BOS
1 stop6h 43m
Delta
Deal found 5/2![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:10 am
BOS
- MLI
1 stop14h 06m
American Airlines
Sun 7/2611:53 am
MLI
- BOS
1 stop11h 12m
American Airlines
Deal found 5/3![American Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 7/67:00 am
BOS
- RFD
1 stop13h 00m
Multiple Airlines
Thu 7/911:27 am
RFD
- BOS
1 stop11h 31m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:20 am
BOS
- MDW
2 stops5h 35m
Southwest
Sun 10/253:10 pm
MDW
- BOS
Nonstop2h 15m
Southwest
Deal found 5/2![Southwest logo]()
$261
Last-minute flights from Rhode Island to IllinoisDiscover last-minute flight deals from Rhode Island to Illinois. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Rhode Island to Illinois. Data last updated May 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:07 am
BOS
- ORD
1 stop14h 06m
Frontier
Tue 5/191:59 pm
ORD
- BOS
1 stop10h 25m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:47 pm
BOS
- ORD
Nonstop3h 06m
Multiple Airlines
Wed 5/201:59 pm
ORD
- BOS
1 stop10h 25m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:45 am
BOS
- MDW
Nonstop2h 40m
Southwest
Wed 5/206:00 pm
MDW
- BOS
Nonstop2h 20m
Southwest
Deal found 4/28![Southwest logo]()
$167
This Super.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:47 pm
BOS
- ORD
Nonstop3h 06m
JetBlue
Wed 5/278:30 pm
ORD
- BOS
Nonstop2h 29m
JetBlue
Deal found 5/2![JetBlue logo]()
$175
This Expedia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:01 pm
BOS
- MDW
1 stop11h 01m
Frontier
Mon 6/112:04 pm
MDW
- BOS
1 stop12h 20m
Frontier
Deal found 4/28![Frontier logo]()
$160
This SmartFares deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:00 am
BOS
- ORD
Nonstop3h 01m
JetBlue
Sun 5/248:50 am
ORD
- BOS
Nonstop2h 30m
JetBlue
Deal found 4/28![JetBlue logo]()
$168
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:30 pm
BOS
- ORD
Nonstop3h 03m
Delta
Sun 5/247:00 am
ORD
- BOS
Nonstop2h 35m
Delta
Deal found 4/28![Delta logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 5/265:45 am
BOS
- ORD
1 stop31h 52m
Multiple Airlines
Tue 6/91:29 pm
ORD
- BOS
1 stop10h 58m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:40 pm
BOS
- ORD
Nonstop2h 55m
Delta
Wed 6/37:00 am
ORD
- BOS
Nonstop2h 35m
Delta
Deal found 4/28![Delta logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:12 am
BOS
- MDW
1 stop13h 50m
Frontier
Tue 6/26:00 am
MDW
- BOS
1 stop18h 24m
Frontier
Deal found 4/28![Frontier logo]()
$175
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
BOS
- ORD
Nonstop3h 00m
JetBlue
Thu 5/288:50 am
ORD
- BOS
Nonstop2h 30m
JetBlue
Deal found 4/30![JetBlue logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:45 am
BOS
- ORD
1 stop31h 52m
Multiple Airlines
Wed 6/31:29 pm
ORD
- BOS
1 stop10h 55m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$171
One-way flights from Rhode Island to IllinoisSearch for one-way flight options from Rhode Island to Illinois. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
Search for one-way flight options from Rhode Island to Illinois. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/269:12 am
BOS
- STL
1 stop24h 43m
Frontier
Deal found 4/29![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
BOS
- ORD
Nonstop3h 00m
JetBlue
Deal found 4/29![JetBlue logo]()
$82
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:10 am
BOS
- ORD
Nonstop2h 56m
JetBlue
Deal found 4/30![JetBlue logo]()
$83
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:45 am
BOS
- MDW
Nonstop2h 40m
Southwest
Deal found 4/28![Southwest logo]()
$84
This JetBlue deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:25 pm
BOS
- ORD
Nonstop3h 10m
JetBlue
Deal found 4/28![JetBlue logo]()
$84
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 4/29![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:20 pm
BOS
- ORD
Nonstop3h 05m
JetBlue
Deal found 4/28![JetBlue logo]()
$87
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
BOS
- ORD
Nonstop3h 00m
JetBlue
Deal found 4/30![JetBlue logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Wed 5/2712:01 pm
BOS
- STL
1 stop30h 32m
Frontier
Deal found 4/30![Frontier logo]()
$89
This Southwest deal was found by Cheapflights users on 4/29. 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 6/185:25 am
BOS
- MDW
Nonstop2h 35m
Southwest
Deal found 4/29![Southwest logo]()
$89
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 6/227:30 am
BOS
- ORD
Nonstop2h 58m
Delta
Deal found 4/29![Delta logo]()
$89
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:00 am
BOS
- MDW
1 stop6h 09m
Frontier
Deal found 4/30![Frontier logo]()
$90
Find flight deals from Rhode Island to Illinois
Keep the following information in mind while searching for Rhode Island to Illinois flight deals. Data was last updated May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $82 (Kiwi.com) |
Popular in | April |
Cheapest in | September |
Average price | $243 |
Good round-trip deal | $400 or less |
Good one-way deal | $219 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Rhode Island 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 May 3, 2026.
Use the filters below to find and compare flights from Rhode Island to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Tue 6/2
7:19 am-9:17 am
Nonstop2h 58m
Chicago O'Hare Intl
Tue 6/9
9:41 pm-1:14 am
Nonstop2h 33m
$167
Quickest round-trip
BostonChicago
BOS - MDW
BOSMDW
Boston Logan Intl
Wed 7/15
5:35 am-7:10 am
Nonstop2h 35m
Chicago Midway
Thu 7/16
7:35 pm-10:50 pm
Nonstop2h 15m
$172
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Sun 6/7
6:00 am-7:59 am
Nonstop2h 59m
Chicago O'Hare Intl
Wed 6/10
8:50 am-12:20 pm
Nonstop2h 30m
$172
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Tue 6/16
10:55 am-12:48 pm
Nonstop2h 53m
Chicago O'Hare Intl
Thu 6/18
9:26 pm-12:59 am
Nonstop2h 33m
$172
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Thu 8/20
6:42 pm-8:39 pm
Nonstop2h 57m
Chicago O'Hare Intl
Mon 8/31
7:46 pm-11:20 pm
Nonstop2h 34m
$177
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Mon 7/13
6:00 am-7:58 am
Nonstop2h 58m
Chicago O'Hare Intl
Wed 7/15
6:00 am-11:16 am
1 stop4h 16m
$182
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Fri 7/17
5:20 pm-7:25 pm
Nonstop3h 05m
Chicago O'Hare Intl
Mon 7/20
8:20 pm-11:51 pm
Nonstop2h 31m
$191
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Fri 7/3
5:45 am-9:36 am
1 stop4h 51m
Chicago O'Hare Intl
Wed 7/8
7:45 pm-11:21 pm
Nonstop2h 36m
$196
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Mon 6/22
7:30 am-9:28 am
Nonstop2h 58m
Chicago O'Hare Intl
Wed 7/1
7:10 am-10:46 am
Nonstop2h 36m
$202
BostonChicago
BOS - ORD
BOSORD
Boston Logan Intl
Wed 6/24
7:30 am-9:28 am
Nonstop2h 58m
Chicago O'Hare Intl
Wed 6/24
7:25 pm-11:02 pm
Nonstop2h 37m
$202
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Rhode Island to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Rhode Island with our price prediction graph.
BOS-MDW
BOS-ORD
BOS-STL
BOS-RFD
BOS-BMI
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 Rhode Island to Illinois
USRI-USIL
BOS-MDW
BOS-ORD
BOS-STL
BOS-RFD
How far ahead should I book a flight from Rhode Island to Illinois?
The price you pay for your flight from Rhode Island to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Rhode Island to Illinois?
Currently, March is the cheapest month in which you can book a flight from Rhode Island to Illinois (average of $85). Flying from Rhode Island to Illinois in April is currently the most expensive (average of $217). 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 RI to IL?
Find hourly flight availability from Rhode Island 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 May 3, 2026.
One of the essential ways to save on airfare from Rhode Island to Illinois is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 9% on airfare.
What is the cheapest day to fly from Rhode Island to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Rhode Island to Illinois. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their Rhode Island to Illinois flight should consider departing on Thursday 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.
Weekly flight availability from Rhode Island to Illinois
Explore weekly flight availability from Rhode Island 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 May 3, 2026.
The most flights from USRI to USIL are scheduled on a Monday (14 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Rhode Island 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 May 3, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Rhode Island to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Rhode Island to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Rhode Island to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Rhode Island to Illinois by cabin class
Find flights from Rhode Island to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Rhode Island and Illinois flights
Browse other Rhode Island and Illinois flight options. Last updated on May 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Rhode Island after your stay in Illinois
Rhode Island to Illinois flights
Consider these flights traveling from Rhode Island to Illinois.
Top 3 airlines flying from Rhode Island to Illinois
Discover the top 3 airlines that operate flights from Rhode Island 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 May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$224 | Average$367 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$365 | FlexibilityNo cancel fee | On-time63% |