$57+ Cheap flights from Baltimore (BWI) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ORD
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Baltimore to IllinoisExplore the most affordable flight options available from Baltimore to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Baltimore to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:12 pm -
1 stop21h 28m
Mon 11/166:44 pm -
1 stop4h 49m
Deal found 9/11![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:12 pm -
1 stop21h 28m
Mon 10/196:35 pm -
1 stop13h 52m
Deal found 9/11![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 11/26:24 am -
1 stop12h 16m
Wed 11/46:44 pm -
1 stop13h 18m
Deal found 9/10![Frontier logo]()
$110
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:22 am -
1 stop8h 18m
Wed 10/216:35 pm -
1 stop4h 59m
Deal found 9/12![Frontier logo]()
$115
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:38 am -
1 stop7h 32m
Wed 10/146:35 pm -
1 stop4h 59m
Deal found 9/9![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:22 am -
1 stop8h 18m
Fri 10/236:35 pm -
1 stop13h 52m
Deal found 9/11![Frontier logo]()
$118
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:45 am -
1 stop7h 55m
Mon 11/166:44 pm -
1 stop4h 49m
Deal found 9/10![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:22 am -
1 stop8h 18m
Mon 10/266:35 pm -
1 stop14h 15m
Deal found 9/11![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
1 stop8h 10m
Fri 10/96:35 pm -
1 stop18h 38m
Deal found 9/11![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/1410:22 am -
1 stop8h 18m
Mon 10/196:35 pm -
1 stop4h 59m
Deal found 9/9![Frontier logo]()
$136
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:58 am -
Nonstop2h 23m
Mon 10/196:00 am -
Nonstop2h 03m
Deal found 9/11![Frontier logo]()
$177
This Travelocity deal was found by Cheapflights users on 9/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:50 pm -
Nonstop2h 24m
Sun 12/139:21 pm -
1 stop10h 05m
Deal found 9/9![Frontier logo]()
$178
Best flights from Baltimore to IllinoisDiscover carefully curated flight deals from Baltimore to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Baltimore to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Gotogate deal was found by Cheapflights users on 9/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:22 am -
1 stop8h 18m
Sun 10/184:30 pm -
1 stop27h 27m
Deal found 9/12![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 pm -
1 stop14h 39m
Fri 10/168:49 am -
1 stop22h 31m
Deal found 9/11![Multiple Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/209:09 am -
1 stop7h 34m
Thu 10/228:00 am -
1 stop4h 58m
Deal found 9/10![United Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/176:00 am -
1 stop5h 18m
Wed 10/215:04 pm -
1 stop6h 47m
Deal found 9/10![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 9/9. 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 10/127:50 pm -
1 stop5h 45m
Tue 10/136:30 pm -
Nonstop2h 05m
Deal found 9/9![Southwest logo]()
$306
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/177:17 am -
1 stop4h 34m
Wed 10/214:19 pm -
1 stop6h 40m
Deal found 9/11![American Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/159:52 pm -
1 stop11h 07m
Mon 10/1910:39 am -
1 stop20h 41m
Deal found 9/9![Multiple Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/1411:55 am -
Nonstop2h 20m
Sat 10/175:55 pm -
Nonstop2h 07m
Deal found 9/8![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 9/8. 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 10/159:00 pm -
Nonstop2h 00m
Mon 10/1911:00 am -
Nonstop1h 45m
Deal found 9/8![Southwest logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:56 pm -
1 stop19h 44m
Sun 11/810:30 am -
1 stop25h 31m
Deal found 9/8![Multiple Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 10/611:40 am -
1 stop7h 25m
Tue 10/136:48 pm -
1 stop4h 28m
Deal found 9/8![American Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 9/8. 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 10/87:00 am -
1 stop5h 26m
Wed 10/146:06 am -
1 stop6h 00m
Deal found 9/8![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/1011:55 am -
Nonstop2h 20m
Mon 10/127:45 pm -
Nonstop2h 14m
Deal found 9/10![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 9/9. 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.
Fri 10/169:00 pm -
Nonstop2h 00m
Mon 10/197:25 am -
Nonstop1h 45m
Deal found 9/9![Southwest logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/256:21 am -
1 stop5h 31m
Thu 12/3111:22 am -
1 stop4h 05m
Deal found 9/8![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 10/134:45 pm -
1 stop6h 51m
Sat 10/174:26 pm -
1 stop7h 25m
Deal found 9/10![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/135:29 pm -
Nonstop2h 20m
Thu 10/153:00 pm -
Nonstop2h 13m
Deal found 9/8![United Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/141:56 pm -
1 stop19h 54m
Fri 10/168:49 am -
1 stop11h 08m
Deal found 9/12![Multiple Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 9/12. 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 11/26:00 pm -
1 stop4h 00m
Wed 11/46:15 pm -
Nonstop2h 05m
Deal found 9/12![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/36:16 pm -
1 stop6h 49m
Tue 10/66:00 am -
1 stop4h 01m
Deal found 9/9![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/9. 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 10/226:00 am -
1 stop6h 26m
Fri 10/304:26 pm -
1 stop6h 02m
Deal found 9/9![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 11/46:10 am -
Nonstop2h 21m
Thu 11/57:25 am -
Nonstop2h 04m
Deal found 9/9![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 9/12. 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.
Wed 10/147:30 am -
1 stop3h 50m
Wed 10/216:30 pm -
Nonstop2h 05m
Deal found 9/12![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 11/76:33 pm -
1 stop6h 26m
Fri 11/135:00 am -
1 stop5h 10m
Deal found 9/8![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/246:10 am -
1 stop4h 22m
Mon 10/265:09 pm -
1 stop5h 35m
Deal found 9/10![Delta logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/19:32 pm -
1 stop11h 27m
Sun 10/410:08 am -
2 stops22h 17m
Deal found 9/9![Multiple Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 9/8. 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 3/26:20 am -
Nonstop2h 12m
Sat 3/65:57 pm -
Nonstop2h 00m
Deal found 9/8![United Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 9/8. 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 10/2611:00 am -
1 stop3h 25m
Tue 10/271:40 pm -
1 stop3h 10m
Deal found 9/8![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 1/126:00 am -
1 stop3h 45m
Thu 1/145:59 pm -
1 stop3h 56m
Deal found 9/9![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/146:29 am -
1 stop4h 43m
Thu 11/265:00 am -
1 stop4h 29m
Deal found 9/8![United Airlines logo]()
$307
Last-minute flights from Baltimore to IllinoisDiscover last-minute flight deals from Baltimore to Illinois. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Illinois. Data last updated September 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Thu 10/19:25 pm -
1 stop16h 45m
Mon 10/52:29 pm -
1 stop17h 56m
Deal found 9/10![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
1 stop8h 10m
Fri 10/96:35 pm -
1 stop18h 38m
Deal found 9/11![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/69:25 pm -
1 stop16h 45m
Fri 10/96:35 pm -
1 stop4h 59m
Deal found 9/10![Frontier logo]()
$146
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:38 am -
1 stop7h 32m
Wed 10/146:35 pm -
1 stop4h 59m
Deal found 9/9![Frontier logo]()
$117
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:22 am -
1 stop8h 18m
Wed 10/216:35 pm -
1 stop4h 59m
Deal found 9/12![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/1410:22 am -
1 stop8h 18m
Mon 10/196:35 pm -
1 stop4h 59m
Deal found 9/9![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:12 pm -
1 stop21h 28m
Mon 10/196:35 pm -
1 stop13h 52m
Deal found 9/11![Frontier logo]()
$109
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:58 am -
Nonstop2h 23m
Mon 10/196:00 am -
Nonstop2h 03m
Deal found 9/11![Frontier logo]()
$177
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:58 am -
Nonstop2h 23m
Sun 10/186:00 am -
Nonstop2h 03m
Deal found 9/8![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:22 am -
1 stop8h 18m
Fri 10/236:35 pm -
1 stop13h 52m
Deal found 9/11![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:22 am -
1 stop8h 18m
Mon 10/266:35 pm -
1 stop14h 15m
Deal found 9/11![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/285:40 am -
1 stop13h 00m
Fri 10/306:44 pm -
1 stop4h 49m
Deal found 9/12![Frontier logo]()
$142
One-way flights from Baltimore to IllinoisSearch for one-way flight options from Baltimore to Illinois. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Baltimore to Illinois. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:38 am -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$57
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:45 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 10/278:17 pm -
1 stop22h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:12 pm -
1 stop21h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 11/109:12 pm -
1 stop21h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:22 am -
1 stop27h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$71
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:38 am -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Thu 12/105:30 am -
1 stop26h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:58 am -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:53 am -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$94
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:03 pm -
Nonstop2h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$95
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:58 am -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$96
Find flight deals from Baltimore to Illinois
Keep the following information in mind while searching for Baltimore to Illinois flight deals. Data was last updated September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $103 (Kiwi.com) |
One-way from | $57 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $272 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Baltimore to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreChicago
BWI Baltimore/Washington - RFD Chicago Greater Rockford
BWIRFD
Baltimore/Washington
Wed 10/14
1:56 pm-8:50 am
1 stop19h 54m
Chicago Greater Rockford
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$120
BaltimoreChicago
BWI Baltimore/Washington - RFD Chicago Greater Rockford
BWIRFD
Baltimore/Washington
Tue 10/27
8:17 pm-8:50 am
2 stops37h 33m
Chicago Greater Rockford
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$131
BaltimoreMoline
BWI Baltimore/Washington - MLI Moline Quad-City
BWIMLI
Baltimore/Washington
Fri 10/30
6:24 am-10:39 am
2 stops29h 15m
Moline Quad-City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$146
BaltimoreChicago
BWI Baltimore/Washington - RFD Chicago Greater Rockford
BWIRFD
Baltimore/Washington
Wed 9/30
1:55 pm-8:40 am
1 stop19h 45m
Chicago Greater Rockford
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
Quickest round-trip
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Thu 10/8
9:00 am-10:00 am
Nonstop2h 00m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Sat 10/17
5:29 pm-6:49 pm
Nonstop2h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Thu 11/5
10:00 pm-11:05 pm
Nonstop2h 05m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Thu 11/19
1:35 pm-2:40 pm
Nonstop2h 05m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Wed 12/9
1:35 pm-2:40 pm
Nonstop2h 05m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
BaltimoreChicago
BWI Baltimore/Washington - RFD Chicago Greater Rockford
BWIRFD
Baltimore/Washington
Sat 10/10
1:56 pm-9:40 am
1 stop20h 44m
Chicago Greater Rockford
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$153
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Baltimore with our price prediction graph.
BWI-STL
BWI-RFD
BWI-MLI
BWI-ORD
BWI-MDW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Illinois
BWI-USIL
BWI-STL
BWI-RFD
BWI-MLI
BWI-ORD
What is the cheapest month to book a flight from Baltimore to Illinois?
Currently, January is the cheapest month in which you can book a flight from Baltimore to Illinois (average of $227). Flying from Baltimore to Illinois in June is currently the most expensive (average of $376). 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 BWI to IL?
Find hourly flight availability from Baltimore 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 September 13, 2026.
When flying from Baltimore to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight in the morning.
Weekly flight availability from Baltimore to Illinois
Explore weekly flight availability from Baltimore 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 September 13, 2026.
The most flights from BWI to USIL are scheduled on a Friday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Baltimore to Illinois?
Airfare is below average for this route at the moment.
Baltimore to Illinois flights typically cost between $196 and $354 in October.The cheapest round-trip price found within the last 5 days was $177 on Frontier (Oct 15-Oct 19).
How far ahead should I book a flight from Baltimore to Illinois?
To ensure you get the cheapest price possible for a flight from Baltimore to Illinois, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Baltimore to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Baltimore to Illinois. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Baltimore to Illinois flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings 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 September 13, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Baltimore to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Related info for your journey
Find useful and relevant information for your journey from Baltimore 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 Baltimore to Illinois
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Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Baltimore to Illinois by cabin class
Find flights from Baltimore to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Illinois flights
Browse other Baltimore and Illinois flight options. Last updated on September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Illinois flights
Consider these flights traveling from Baltimore to Illinois.
Top 5 airlines flying from Baltimore to Illinois
Discover the top 5 airlines that operate flights from Baltimore 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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$403 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$360 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$179 | Average$358 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$413 | FlexibilityNo cancel fee | On-timeN/A |