$90+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ORD
Nov 1 — Nov 81
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 October 2, 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 October 2, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:58 am -
Nonstop2h 23m
Mon 10/266:00 am -
Nonstop2h 03m
Deal found 10/1![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Thu 11/199:53 am -
Nonstop2h 30m
Thu 12/310:37 pm -
1 stop9h 01m
Deal found 10/1![Frontier logo]()
$177
This Frontier deal was found by Cheapflights users on 10/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:53 am -
Nonstop2h 30m
Mon 11/166:00 am -
Nonstop1h 57m
Deal found 10/1![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Thu 10/2210:22 am -
1 stop8h 23m
Sun 10/256:40 pm -
1 stop28h 54m
Deal found 9/29![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 9/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:16 am -
1 stop9h 29m
Tue 11/37:15 am -
1 stop7h 59m
Deal found 9/30![Frontier logo]()
$179
This Booking.com deal was found by Cheapflights users on 9/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:22 am -
1 stop9h 09m
Mon 10/268:04 am -
1 stop27h 57m
Deal found 9/30![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 9/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:36 pm -
Nonstop2h 28m
Sun 12/610:37 pm -
1 stop9h 03m
Deal found 9/30![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 10/209:12 pm -
1 stop27h 31m
Wed 11/46:42 pm -
1 stop13h 20m
Deal found 9/30![Frontier logo]()
$182
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:24 am -
1 stop13h 07m
Thu 10/297:50 pm -
1 stop12h 31m
Deal found 9/30![Frontier logo]()
$182
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:12 pm -
1 stop24h 21m
Fri 11/202:52 pm -
Nonstop2h 10m
Deal found 9/30![Frontier logo]()
$183
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:16 am -
1 stop8h 31m
Wed 11/116:16 am -
1 stop8h 58m
Deal found 9/30![Frontier logo]()
$184
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:12 pm -
Nonstop2h 24m
Mon 12/2810:53 am -
Nonstop2h 07m
Deal found 9/30![Frontier logo]()
$184
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 October 2, 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 October 2, 2026.
This Southwest deal was found by Cheapflights users on 9/28. 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 11/171:35 pm -
Nonstop2h 05m
Mon 11/237:30 am -
Nonstop1h 50m
Deal found 9/28![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/217:10 pm -
Nonstop2h 19m
Sat 10/247:30 am -
Nonstop2h 00m
Deal found 9/27![United Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/277:17 am -
1 stop5h 51m
Tue 11/36:50 pm -
1 stop4h 05m
Deal found 9/27![American Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 9/28. 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 10/315:00 pm -
1 stop6h 30m
Tue 11/31:00 pm -
1 stop6h 20m
Deal found 9/28![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/2110:20 am -
Nonstop2h 00m
Sat 10/249:55 am -
Nonstop1h 50m
Deal found 9/27![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 10/2912:34 pm -
Nonstop2h 20m
Mon 11/211:00 am -
Nonstop2h 06m
Deal found 9/28![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
1 stop5h 59m
Wed 12/25:05 pm -
1 stop5h 30m
Deal found 9/30![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 9/30. 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.
Wed 1/278:10 pm -
Nonstop2h 10m
Sat 1/302:10 pm -
Nonstop1h 45m
Deal found 9/30![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/316:10 am -
Nonstop2h 19m
Sat 11/73:57 pm -
Nonstop2h 04m
Deal found 10/1![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/226:15 am -
Nonstop2h 00m
Mon 10/267:25 am -
Nonstop1h 45m
Deal found 9/27![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 10/1. 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.
Sat 11/146:00 am -
1 stop5h 19m
Sun 11/156:00 am -
1 stop5h 54m
Deal found 10/1![Delta logo]()
$327
This American Airlines deal was found by Cheapflights users on 10/1. 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 10/236:30 pm -
1 stop6h 40m
Sat 10/315:30 pm -
1 stop5h 46m
Deal found 10/1![American Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 1/126:05 am -
Nonstop2h 23m
Fri 1/157:02 am -
Nonstop2h 00m
Deal found 9/27![United Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/3112:20 pm -
Nonstop2h 00m
Mon 11/28:25 pm -
Nonstop1h 50m
Deal found 9/27![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
1 stop7h 16m
Sun 11/16:00 am -
1 stop6h 06m
Deal found 9/30![Delta logo]()
$327
This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:17 am -
1 stop4h 34m
Sun 10/185:03 pm -
1 stop6h 13m
Deal found 9/28![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Mon 3/16:20 am -
Nonstop2h 12m
Sat 3/610:50 am -
Nonstop1h 57m
Deal found 9/29![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 10/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:55 am -
Nonstop2h 10m
Wed 1/136:25 am -
Nonstop1h 50m
Deal found 10/1![Southwest logo]()
$297
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:32 pm -
1 stop4h 58m
Sat 10/311:00 pm -
1 stop6h 19m
Deal found 9/30![Delta logo]()
$327
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 10/137:17 am -
1 stop5h 51m
Sat 10/176:48 pm -
1 stop4h 28m
Deal found 9/27![American Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 10/1. 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.
Fri 11/137:53 pm -
1 stop5h 01m
Mon 11/166:15 pm -
1 stop5h 43m
Deal found 10/1![Delta logo]()
$330
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 1/162:10 pm -
1 stop4h 00m
Tue 1/191:25 pm -
Nonstop1h 45m
Deal found 9/27![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Mon 11/26:10 am -
1 stop4h 55m
Mon 11/92:31 pm -
1 stop6h 11m
Deal found 9/29![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:17 am -
1 stop5h 51m
Sat 10/314:05 pm -
1 stop7h 11m
Deal found 9/27![American Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 9/29. 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 11/122:55 pm -
Nonstop2h 05m
Sat 11/1410:20 am -
1 stop3h 25m
Deal found 9/29![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:32 pm -
1 stop4h 58m
Sun 11/111:08 am -
1 stop6h 42m
Deal found 9/30![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” 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 11/306:10 am -
Nonstop2h 21m
Wed 12/26:50 am -
Nonstop1h 54m
Deal found 9/27![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 9/29. 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.
Mon 11/25:20 pm -
1 stop4h 10m
Thu 11/58:25 pm -
Nonstop1h 55m
Deal found 9/29![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 10/1. 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.
Tue 11/177:08 am -
1 stop5h 18m
Mon 11/234:28 pm -
1 stop7h 30m
Deal found 10/1![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:55 am -
Nonstop2h 20m
Sun 10/257:25 am -
Nonstop2h 04m
Deal found 9/30![United Airlines logo]()
$358
Last-minute flights from Baltimore to IllinoisDiscover last-minute flight deals from Baltimore to Illinois. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Illinois. Data last updated October 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 10/209:12 pm -
1 stop27h 31m
Wed 11/46:42 pm -
1 stop13h 20m
Deal found 9/30![Frontier logo]()
$182
This Expedia deal was found by Cheapflights users on 10/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 am -
1 stop6h 52m
Thu 10/226:00 am -
Nonstop2h 03m
Deal found 10/1![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Thu 10/2210:22 am -
1 stop8h 23m
Sun 10/256:40 pm -
1 stop28h 54m
Deal found 9/29![Frontier logo]()
$179
This Booking.com deal was found by Cheapflights users on 9/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:22 am -
1 stop9h 09m
Mon 10/268:04 am -
1 stop27h 57m
Deal found 9/30![Frontier logo]()
$180
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:58 am -
Nonstop2h 23m
Mon 10/266:00 am -
Nonstop2h 03m
Deal found 10/1![Frontier logo]()
$176
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:24 am -
1 stop13h 07m
Thu 10/297:50 pm -
1 stop12h 31m
Deal found 9/30![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 10/273:04 pm -
1 stop18h 57m
Wed 11/49:51 am -
1 stop21h 26m
Deal found 9/30![Multiple Airlines logo]()
$185
This Frontier deal was found by Cheapflights users on 9/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:53 am -
Nonstop2h 30m
Thu 11/56:00 am -
Nonstop1h 57m
Deal found 9/30![Frontier logo]()
$179
This Priceline deal was found by Cheapflights users on 9/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:16 am -
1 stop8h 31m
Wed 11/116:16 am -
1 stop8h 58m
Deal found 9/30![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 10/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:53 am -
Nonstop2h 30m
Mon 11/166:00 am -
Nonstop1h 57m
Deal found 10/1![Frontier logo]()
$178
This CheapOair deal was found by Cheapflights users on 9/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:12 pm -
1 stop24h 21m
Fri 11/202:52 pm -
Nonstop2h 10m
Deal found 9/30![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Thu 11/199:53 am -
Nonstop2h 30m
Thu 12/310:37 pm -
1 stop9h 01m
Deal found 10/1![Frontier logo]()
$177
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 October 2, 2026.
Search for one-way flight options from Baltimore to Illinois. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
This Flightnetwork deal was found by Cheapflights users on 9/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:45 am -
1 stop8h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$90
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:42 pm -
Nonstop2h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$90
This Expedia deal was found by Cheapflights users on 9/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:40 am -
1 stop8h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 9/28. 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.
Mon 10/269:58 am -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 9/30. 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.
Thu 10/299:53 am -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$93
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:12 pm -
2 stops16h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$94
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:53 am -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$94
This CheapOair deal was found by Cheapflights users on 9/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:24 am -
1 stop12h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$95
This Mytrip deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:53 am -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 12/26:00 am -
1 stop6h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$96
This CheapOair deal was found by Cheapflights users on 9/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:42 pm -
Nonstop2h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Mon 11/99:52 pm -
2 stops14h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$97
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 October 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Cheapflightsfares) |
One-way from | $90 (Flightnetwork) |
Popular in | June |
Cheapest in | January |
Average price | $291 |
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 October 2, 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 - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Thu 10/29
9:53 am-11:23 am
Nonstop2h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$106
BaltimorePeoria
BWI Baltimore/Washington - PIA Greater Peoria
BWIPIA
Baltimore/Washington
Mon 11/2
8:41 pm-9:01 am
2 stops37h 20m
Greater Peoria
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$122
Quickest round-trip
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Thu 10/22
9:00 pm-10:00 pm
Nonstop2h 00m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Tue 11/10
5:31 pm-6:52 pm
Nonstop2h 21m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Sat 10/24
6:30 am-7:30 am
Nonstop2h 00m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Thu 12/31
6:00 am-7:25 am
Nonstop2h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Wed 11/25
10:05 pm-11:15 pm
Nonstop2h 10m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BaltimoreMoline
BWI Baltimore/Washington - MLI Moline Quad-City
BWIMLI
Baltimore/Washington
Wed 10/21
10:22 am-7:49 am
2 stops22h 27m
Moline Quad-City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$153
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Thu 11/26
6:00 am-11:25 am
1 stop6h 25m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Wed 12/30
7:34 pm-11:59 pm
1 stop5h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
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-MDW
BWI-ORD
BWI-PIA
BWI-MLI
BWI-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 Baltimore to Illinois
BWI-USIL
BWI-MDW
BWI-ORD
BWI-PIA
BWI-MLI
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 October 2, 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 25% 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 October 2, 2026.
The most flights from BWI to USIL are scheduled on a Thursday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 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 $183 and $357 in October.The cheapest round-trip price found within the last 5 days was $176 on Frontier (Oct 23-Oct 26).
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 26, 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 October 2, 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
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Overall
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
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
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 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 October 2, 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 October 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$405 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$186 | Average$368 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$187 | Average$361 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$413 | FlexibilityNo cancel fee | On-timeN/A |