$64+ Cheap flights from Illinois to Baltimore (BWI)
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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Baltimore 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 Illinois to BaltimoreExplore the most affordable flight options available from Illinois to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Illinois to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/142:29 pm -
1 stop17h 56m
Mon 9/216:00 am -
1 stop8h 10m
Deal found 8/11![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/246:20 am -
Nonstop2h 05m
Fri 10/23:04 pm -
1 stop8h 55m
Deal found 8/11![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/142:29 pm -
1 stop7h 35m
Thu 9/179:25 pm -
1 stop16h 45m
Deal found 8/12![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/1110:26 am -
1 stop11h 38m
Thu 10/811:09 am -
Nonstop2h 23m
Deal found 8/10![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 10/1610:35 am -
1 stop6h 59m
Wed 10/219:29 pm -
1 stop13h 11m
Deal found 8/8![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/87:05 am -
1 stop9h 38m
Fri 9/1110:20 am -
Nonstop2h 20m
Deal found 8/10![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 10/910:35 am -
1 stop21h 22m
Wed 10/149:29 pm -
1 stop13h 11m
Deal found 8/11![Frontier logo]()
$141
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:03 pm -
Nonstop2h 10m
Sun 9/65:08 pm -
Nonstop2h 31m
Deal found 8/10![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/112:29 pm -
1 stop7h 35m
Sun 9/139:25 pm -
1 stop16h 45m
Deal found 8/8![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 9/124:30 pm -
Nonstop2h 16m
Fri 9/183:04 pm -
1 stop8h 55m
Deal found 8/11![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/112:29 pm -
1 stop7h 35m
Mon 9/146:00 am -
1 stop8h 10m
Deal found 8/10![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:26 am -
2 stops11h 17m
Fri 9/1810:20 am -
Nonstop2h 20m
Deal found 8/11![Frontier logo]()
$144
Best flights from Illinois to BaltimoreDiscover carefully curated flight deals from Illinois to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Illinois to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:49 am -
Nonstop2h 09m
Fri 9/118:25 am -
Nonstop2h 20m
Deal found 8/13![United Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:30 am -
Nonstop1h 45m
Tue 9/157:45 pm -
Nonstop2h 05m
Deal found 8/11![Southwest logo]()
$185
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:50 pm -
1 stop5h 00m
Sun 9/66:15 am -
1 stop5h 27m
Deal found 8/9![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 10/1710:36 am -
1 stop9h 21m
Fri 10/239:52 pm -
1 stop19h 10m
Deal found 8/11![Multiple Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am -
1 stop5h 22m
Sat 8/2912:41 pm -
1 stop5h 18m
Deal found 8/10![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:49 am -
Nonstop2h 09m
Sat 9/56:05 am -
Nonstop2h 20m
Deal found 8/12![United Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:55 am -
Nonstop1h 45m
Tue 9/295:45 pm -
Nonstop2h 00m
Deal found 8/10![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:45 pm -
Nonstop1h 45m
Tue 9/157:45 pm -
Nonstop2h 05m
Deal found 8/10![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:20 pm -
2 stops7h 25m
Mon 10/266:15 am -
Nonstop2h 00m
Deal found 8/10![Southwest logo]()
$199
This Southwest deal was found by Cheapflights users on 8/12. 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 10/195:00 am -
Nonstop1h 45m
Mon 10/261:35 pm -
1 stop5h 20m
Deal found 8/12![Southwest logo]()
$201
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:05 am -
1 stop5h 51m
Wed 9/165:10 pm -
1 stop6h 34m
Deal found 8/12![Delta logo]()
$272
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/17:00 am -
Nonstop2h 09m
Tue 9/11:00 pm -
Nonstop2h 21m
Deal found 8/10![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 8/12. 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.
Thu 9/38:10 am -
1 stop3h 35m
Sun 9/611:45 am -
1 stop3h 50m
Deal found 8/12![Southwest logo]()
$205
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:13 pm -
1 stop4h 50m
Fri 11/207:52 pm -
1 stop5h 07m
Deal found 8/11![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:49 am -
Nonstop2h 09m
Wed 9/165:35 pm -
Nonstop2h 20m
Deal found 8/12![United Airlines logo]()
$260
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:50 am -
1 stop4h 05m
Mon 11/24:00 pm -
2 stops5h 50m
Deal found 8/11![Southwest logo]()
$212
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am -
Nonstop2h 09m
Sun 9/65:39 pm -
Nonstop2h 20m
Deal found 8/12![United Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am -
1 stop4h 22m
Sat 8/297:33 am -
1 stop4h 38m
Deal found 8/10![American Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sat 9/124:42 pm -
1 stop14h 49m
Sat 9/199:27 am -
1 stop7h 35m
Deal found 8/10![Multiple Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:00 am -
1 stop7h 41m
Mon 12/216:10 pm -
1 stop5h 20m
Deal found 8/11![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am -
Nonstop2h 09m
Sat 9/51:00 pm -
Nonstop2h 21m
Deal found 8/12![United Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:00 am -
1 stop7h 41m
Thu 12/176:00 am -
1 stop5h 20m
Deal found 8/11![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:45 pm -
2 stops5h 50m
Mon 10/266:55 pm -
Nonstop2h 00m
Deal found 8/12![Southwest logo]()
$237
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:49 am -
Nonstop2h 09m
Wed 9/1610:25 am -
Nonstop2h 20m
Deal found 8/12![United Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Sat 9/54:29 pm -
2 stops20h 00m
Sat 9/129:27 am -
1 stop7h 35m
Deal found 8/8![Multiple Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/118:48 am -
1 stop7h 58m
Wed 9/1611:23 am -
1 stop5h 59m
Deal found 8/8![American Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:26 pm -
1 stop7h 25m
Sun 11/16:00 am -
1 stop6h 26m
Deal found 8/9![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 pm -
Nonstop2h 14m
Mon 9/148:25 am -
Nonstop2h 20m
Deal found 8/12![United Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Thu 8/2010:05 am -
1 stop12h 54m
Wed 8/266:24 am -
1 stop27h 51m
Deal found 8/8![Multiple Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:00 am -
1 stop3h 55m
Fri 1/18:15 pm -
Nonstop2h 10m
Deal found 8/11![Southwest logo]()
$259
Last-minute flights from Illinois to BaltimoreDiscover last-minute flight deals from Illinois to Baltimore. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Baltimore. Data last updated August 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:03 pm -
Nonstop2h 10m
Sun 9/65:08 pm -
Nonstop2h 31m
Deal found 8/10![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:03 pm -
Nonstop2h 10m
Tue 9/88:45 am -
1 stop12h 23m
Deal found 8/11![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/87:05 am -
1 stop9h 38m
Fri 9/1110:20 am -
Nonstop2h 20m
Deal found 8/10![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/1110:26 am -
1 stop11h 38m
Thu 10/811:09 am -
Nonstop2h 23m
Deal found 8/10![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Fri 9/112:29 pm -
1 stop7h 35m
Sun 9/139:25 pm -
1 stop16h 45m
Deal found 8/8![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/112:29 pm -
1 stop7h 35m
Mon 9/146:00 am -
1 stop8h 10m
Deal found 8/10![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sat 9/124:30 pm -
Nonstop2h 16m
Fri 9/183:04 pm -
1 stop8h 55m
Deal found 8/11![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/142:29 pm -
1 stop17h 56m
Mon 9/216:00 am -
1 stop8h 10m
Deal found 8/11![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/142:29 pm -
1 stop7h 35m
Thu 9/179:25 pm -
1 stop16h 45m
Deal found 8/12![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:26 am -
2 stops11h 17m
Fri 9/1810:20 am -
Nonstop2h 20m
Deal found 8/11![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 9/182:29 pm -
1 stop25h 17m
Mon 9/216:00 am -
1 stop8h 10m
Deal found 8/10![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/246:20 am -
Nonstop2h 05m
Fri 10/23:04 pm -
1 stop8h 55m
Deal found 8/11![Frontier logo]()
$139
One-way flights from Illinois to BaltimoreSearch for one-way flight options from Illinois to Baltimore. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Illinois to Baltimore. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/282:29 pm -
1 stop17h 56m
Deal found 8/12![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 8/8. 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.
Mon 9/76:17 pm -
1 stop12h 09m
Deal found 8/8![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/1210:35 am -
1 stop21h 22m
Deal found 8/11![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 11/910:35 am -
1 stop20h 54m
Deal found 8/11![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 11/1210:35 am -
1 stop7h 01m
Deal found 8/11![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 10/910:35 am -
1 stop21h 22m
Deal found 8/11![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 11/510:35 am -
1 stop12h 36m
Deal found 8/9![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/112:29 pm -
1 stop7h 35m
Deal found 8/11![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Fri 9/252:29 pm -
1 stop25h 17m
Deal found 8/11![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sun 10/1110:35 am -
1 stop13h 09m
Deal found 8/11![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 8/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:35 am -
1 stop4h 37m
Deal found 8/11![Frontier logo]()
$81
This Frontier deal was found by Cheapflights users on 8/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:05 am -
1 stop5h 19m
Deal found 8/12![Frontier logo]()
$82
Find flight deals from Illinois to Baltimore
Keep the following information in mind while searching for Illinois to Baltimore flight deals. Data was last updated August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $135 (Kiwi.com) |
One-way from | $64 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $252 |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Baltimore 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 August 13, 2026.
Use the filters below to find and compare flights from Illinois to Baltimore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBaltimore
ORD Chicago O'Hare Intl - BWI Baltimore/Washington
ORDBWI
Chicago O'Hare Intl
Wed 9/9
10:49 am-1:58 pm
Nonstop2h 09m
Baltimore/Washington
Fri 9/11
8:25 am-9:45 am
Nonstop2h 20m
$181
ChicagoBaltimore
ORD Chicago O'Hare Intl - BWI Baltimore/Washington
ORDBWI
Chicago O'Hare Intl
Wed 9/2
10:49 am-1:58 pm
Nonstop2h 09m
Baltimore/Washington
Sat 9/5
6:05 am-7:25 am
Nonstop2h 20m
$181
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Tue 9/8
6:30 am-9:15 am
Nonstop1h 45m
Baltimore/Washington
Tue 9/15
7:45 pm-8:50 pm
Nonstop2h 05m
$185
Quickest round-trip
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Sat 9/26
5:55 am-8:40 am
Nonstop1h 45m
Baltimore/Washington
Tue 9/29
5:45 pm-6:45 pm
Nonstop2h 00m
$187
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Wed 9/9
12:45 pm-3:30 pm
Nonstop1h 45m
Baltimore/Washington
Tue 9/15
7:45 pm-8:50 pm
Nonstop2h 05m
$187
ChicagoBaltimore
ORD Chicago O'Hare Intl - BWI Baltimore/Washington
ORDBWI
Chicago O'Hare Intl
Sat 9/5
1:50 pm-7:50 pm
1 stop5h 00m
Baltimore/Washington
Sun 9/6
6:15 am-10:42 am
1 stop5h 27m
$197
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Sat 10/24
2:20 pm-10:45 pm
2 stops7h 25m
Baltimore/Washington
Mon 10/26
6:15 am-7:15 am
Nonstop2h 00m
$199
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Mon 10/19
5:00 am-7:45 am
Nonstop1h 45m
Baltimore/Washington
Mon 10/26
1:35 pm-5:55 pm
1 stop5h 20m
$201
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Thu 9/3
8:10 am-12:45 pm
1 stop3h 35m
Baltimore/Washington
Sun 9/6
11:45 am-2:35 pm
1 stop3h 50m
$205
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Thu 10/29
7:50 am-12:55 pm
1 stop4h 05m
Baltimore/Washington
Mon 11/2
4:00 pm-8:50 pm
2 stops5h 50m
$212
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Baltimore
Have a flexible travel schedule? Discover the best time to fly to Baltimore from Illinois with our price prediction graph.
ORD-BWI
MDW-BWI
EVV-BWI
BMI-BWI
CMI-BWI
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 Illinois to Baltimore
USIL-BWI
ORD-BWI
MDW-BWI
EVV-BWI
BMI-BWI
What is the cheapest month to book a flight from Illinois to Baltimore?
Currently, September is the cheapest month in which you can book a flight from Illinois to Baltimore (average of $182). Flying from Illinois to Baltimore in July is currently the most expensive (average of $368). 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 IL to BWI?
Find hourly flight availability from Illinois to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2026.
When flying from Illinois to Baltimore, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 29% versus a flight in the evening.
Weekly flight availability from Illinois to Baltimore
Explore weekly flight availability from Illinois to Baltimore. 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 August 13, 2026.
The most flights from USIL to BWI are scheduled on a Wednesday (20 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Illinois to Baltimore?
Airfare is below average for this route at the moment.
Illinois to Baltimore flights typically cost between $149 and $387 in September.The cheapest round-trip price found within the last 5 days was $139 on Frontier (Sep 24-Oct 2).
How far ahead should I book a flight from Illinois to Baltimore?
To ensure you get the cheapest price possible for a flight from Illinois to Baltimore, you should look to book at least 12 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 Illinois to Baltimore?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Baltimore. Price data was last updated on August 8, 2026.
Travelers seeking maximum savings on their Illinois to Baltimore flight should consider departing on Monday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Baltimore. 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 Illinois to Baltimore
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Complete your trip
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Search flights from Illinois to Baltimore by cabin class
Find flights from Illinois to Baltimore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Baltimore flights
Browse other Illinois and Baltimore flight options. Last updated on August 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Baltimore flights
Consider these flights traveling from Illinois to Baltimore.
Top 5 airlines flying from Illinois to Baltimore
Discover the top 5 airlines that operate flights from Illinois to Baltimore. 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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$165 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$280 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$149 | Average$360 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$422 | FlexibilityNo cancel fee | On-timeN/A |