$89+ Cheap flights from Maryland 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ORD
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Maryland 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 Maryland to IllinoisExplore the most affordable flight options available from Maryland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Maryland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:09 pm -
Nonstop2h 34m
Wed 11/255:12 pm -
1 stop6h 41m
Deal found 9/12![Frontier logo]()
$176
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/229:58 am -
Nonstop2h 23m
Fri 10/236:00 am -
Nonstop2h 03m
Deal found 9/14![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:09 pm -
Nonstop2h 34m
Mon 11/94:42 pm -
Nonstop2h 16m
Deal found 9/13![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/61:55 pm -
1 stop26h 25m
Tue 10/136:00 am -
2 stops31h 20m
Deal found 9/16![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 11/312:36 pm -
1 stop6h 40m
Thu 11/1210:26 am -
1 stop6h 53m
Deal found 9/17![Frontier logo]()
$178
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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.
Sat 11/79:15 am -
1 stop24h 31m
Mon 11/98:00 am -
1 stop28h 01m
Deal found 9/17![Frontier logo]()
$178
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/712:20 pm -
1 stop5h 06m
Tue 11/105:05 pm -
1 stop5h 16m
Deal found 9/16![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/712:20 pm -
1 stop6h 40m
Tue 11/106:00 am -
1 stop6h 54m
Deal found 9/16![Delta logo]()
$179
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:30 am -
1 stop10h 46m
Thu 11/194:42 pm -
Nonstop2h 16m
Deal found 9/14![Frontier logo]()
$179
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/76:32 pm -
1 stop5h 01m
Tue 11/105:13 pm -
1 stop4h 32m
Deal found 9/16![Delta logo]()
$179
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/175:40 am -
1 stop6h 52m
Sun 10/186:00 am -
Nonstop2h 03m
Deal found 9/14![Frontier logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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.
Thu 10/88:30 am -
1 stop11h 01m
Sat 10/104:41 pm -
Nonstop2h 23m
Deal found 9/17![Frontier logo]()
$180
Best flights from Maryland to IllinoisDiscover carefully curated flight deals from Maryland to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Maryland to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/76:32 pm -
1 stop5h 01m
Tue 11/105:13 pm -
1 stop4h 32m
Deal found 9/16![Delta logo]()
$179
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/144:05 pm -
Nonstop2h 15m
Tue 11/171:35 pm -
Nonstop1h 55m
Deal found 9/14![Southwest logo]()
$185
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/147:30 pm -
1 stop5h 02m
Tue 10/209:07 am -
Nonstop2h 18m
Deal found 9/15![United Airlines logo]()
$195
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:41 am -
Nonstop2h 26m
Thu 10/151:17 pm -
1 stop5h 53m
Deal found 9/16![American Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/105:00 am -
2 stops13h 05m
Sat 11/146:35 am -
1 stop6h 10m
Deal found 9/16![Southwest logo]()
$210
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/2412:32 pm -
1 stop6h 28m
Mon 10/266:44 pm -
1 stop3h 24m
Deal found 9/16![Delta logo]()
$218
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/201:10 pm -
Nonstop2h 16m
Thu 10/228:50 am -
Nonstop2h 05m
Deal found 9/15![United Airlines logo]()
$230
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/166:55 am -
Nonstop2h 05m
Sat 10/174:20 pm -
Nonstop2h 00m
Deal found 9/15![Southwest logo]()
$211
This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/246:05 am -
1 stop4h 27m
Mon 10/266:04 am -
1 stop4h 28m
Deal found 9/17![Delta logo]()
$219
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/138:20 pm -
Nonstop2h 05m
Tue 10/209:40 am -
1 stop3h 45m
Deal found 9/16![Southwest logo]()
$215
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/77:46 am -
Nonstop2h 14m
Fri 10/92:00 pm -
Nonstop2h 08m
Deal found 9/15![United Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/76:00 am -
1 stop5h 37m
Tue 11/106:44 pm -
1 stop3h 37m
Deal found 9/15![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/139:10 am -
Nonstop2h 00m
Tue 10/205:40 am -
Nonstop1h 50m
Deal found 9/16![Southwest logo]()
$215
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 1/235:30 pm -
1 stop4h 07m
Wed 1/2711:10 am -
1 stop4h 53m
Deal found 9/15![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/219:00 pm -
Nonstop2h 00m
Wed 10/2811:35 am -
Nonstop1h 45m
Deal found 9/16![Southwest logo]()
$215
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/1312:37 pm -
1 stop4h 55m
Sat 10/177:00 am -
1 stop3h 52m
Deal found 9/14![Delta logo]()
$229
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 12/3010:37 am -
1 stop7h 17m
Sun 1/311:31 am -
Nonstop2h 08m
Deal found 9/16![United Airlines logo]()
$284
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 am -
1 stop5h 10m
Fri 10/238:40 am -
Nonstop2h 07m
Deal found 9/16![American Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/136:35 pm -
1 stop4h 40m
Mon 10/196:30 pm -
1 stop4h 25m
Deal found 9/15![Southwest logo]()
$218
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 11/56:10 am -
1 stop4h 22m
Mon 11/96:44 pm -
1 stop3h 31m
Deal found 9/16![Delta logo]()
$231
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/76:40 pm -
1 stop4h 20m
Sat 10/104:20 pm -
Nonstop2h 00m
Deal found 9/15![Southwest logo]()
$221
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/107:40 pm -
1 stop5h 21m
Wed 11/116:24 pm -
Nonstop2h 14m
Deal found 9/14![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/76:05 am -
1 stop4h 27m
Sat 11/74:19 pm -
1 stop7h 23m
Deal found 9/15![Delta logo]()
$235
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/207:30 am -
2 stops5h 35m
Wed 10/215:30 am -
Nonstop1h 55m
Deal found 9/14![Southwest logo]()
$221
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Sun 11/89:45 am -
Nonstop2h 35m
Wed 11/112:35 pm -
Nonstop2h 12m
Deal found 9/14![United Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 11/76:12 pm -
1 stop5h 21m
Mon 11/96:00 am -
1 stop6h 54m
Deal found 9/15![Delta logo]()
$245
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 12/315:13 pm -
Nonstop2h 25m
Mon 1/412:20 pm -
Nonstop2h 00m
Deal found 9/15![United Airlines logo]()
$300
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 12/1011:45 am -
Nonstop2h 15m
Mon 12/1411:30 am -
2 stops9h 35m
Deal found 9/15![Southwest logo]()
$226
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/136:05 am -
1 stop4h 27m
Mon 10/196:44 pm -
1 stop3h 32m
Deal found 9/15![Delta logo]()
$246
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Sun 11/16:10 am -
Nonstop2h 21m
Tue 11/36:29 pm -
Nonstop2h 13m
Deal found 9/16![United Airlines logo]()
$304
Last-minute flights from Maryland to IllinoisDiscover last-minute flight deals from Maryland to Illinois. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Illinois. Data last updated September 17, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:30 pm -
1 stop8h 29m
Sat 10/174:41 pm -
Nonstop2h 23m
Deal found 9/13![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates ” 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 10/411:54 am -
Nonstop2h 36m
Sat 10/174:41 pm -
Nonstop2h 23m
Deal found 9/14![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/61:55 pm -
1 stop26h 25m
Tue 10/136:00 am -
2 stops31h 20m
Deal found 9/16![Frontier logo]()
$177
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/89:58 am -
Nonstop2h 23m
Mon 10/126:00 am -
Nonstop2h 03m
Deal found 9/16![Frontier logo]()
$180
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.
Sat 10/109:09 pm -
Nonstop2h 30m
Wed 10/147:44 pm -
1 stop10h 27m
Deal found 9/12![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Sat 10/106:00 pm -
1 stop7h 24m
Sat 10/176:30 am -
1 stop9h 26m
Deal found 9/16![Frontier logo]()
$181
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/175:40 am -
1 stop6h 52m
Sun 10/186:00 am -
Nonstop2h 03m
Deal found 9/14![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” 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 10/205:22 pm -
1 stop7h 21m
Thu 10/226:40 pm -
1 stop11h 41m
Deal found 9/17![Frontier logo]()
$182
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 10/215:22 pm -
1 stop7h 21m
Thu 10/226:40 pm -
1 stop11h 41m
Deal found 9/15![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/229:58 am -
Nonstop2h 23m
Fri 10/236:00 am -
Nonstop2h 03m
Deal found 9/14![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/226:00 am -
1 stop13h 56m
Sat 10/248:04 am -
1 stop13h 08m
Deal found 9/16![Frontier logo]()
$182
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Sat 10/2410:22 am -
1 stop9h 09m
Mon 10/266:00 am -
Nonstop2h 03m
Deal found 9/16![Frontier logo]()
$181
One-way flights from Maryland to IllinoisSearch for one-way flight options from Maryland to Illinois. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Maryland to Illinois. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 pm -
1 stop7h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:05 am -
1 stop10h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$89
This Jetabroad deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:45 am -
1 stop8h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$89
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/281:56 pm -
1 stop26h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$89
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/277:00 am -
1 stop18h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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 10/711:12 am -
1 stop12h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Sat 11/77:52 am -
1 stop10h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Fri 11/272:42 pm -
Nonstop2h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$91
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Wed 10/147:00 am -
1 stop18h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$92
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Sat 10/177:50 am -
1 stop11h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$92
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Tue 10/67:50 am -
1 stop10h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$92
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” 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.
Tue 10/66:38 am -
1 stop12h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$92
Find flight deals from Maryland to Illinois
Keep the following information in mind while searching for Maryland to Illinois flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Frontier) |
One-way from | $89 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $286 |
Good round-trip deal | $295 or less |
Good one-way deal | $153 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Maryland 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 17, 2026.
Use the filters below to find and compare flights from Maryland to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaChicago
PHL Philadelphia - ORD Chicago O'Hare Intl
PHLORD
Philadelphia
Wed 10/28
6:15 am-7:51 am
Nonstop2h 36m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$93
PhiladelphiaChicago
PHL Philadelphia - ORD Chicago O'Hare Intl
PHLORD
Philadelphia
Sat 10/10
6:10 am-10:24 am
1 stop5h 14m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$103
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Wed 10/7
5:29 pm-6:49 pm
Nonstop2h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Wed 12/23
6:00 am-7:25 am
Nonstop2h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$105
PhiladelphiaChicago
PHL Philadelphia - MDW Chicago Midway
PHLMDW
Philadelphia
Thu 11/19
1:25 pm-2:40 pm
Nonstop2h 15m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$106
Quickest round-trip
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Sat 10/31
12:20 pm-1:20 pm
Nonstop2h 00m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$106
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - MDW Chicago Midway
DCAMDW
Washington, D.C. Reagan-National
Sat 11/7
9:25 am-10:30 am
Nonstop2h 05m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$106
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Sat 10/24
7:29 pm-8:49 pm
Nonstop2h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$108
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - MDW Chicago Midway
DCAMDW
Washington, D.C. Reagan-National
Tue 12/15
8:55 pm-10:05 pm
Nonstop2h 10m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$108
Washington, D.C.Chicago
DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl
DCAORD
Washington, D.C. Reagan-National
Wed 10/7
5:10 pm-6:33 pm
Nonstop2h 23m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$108
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maryland to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Maryland with our price prediction graph.
DCA-ORD
IAD-MDW
BWI-MDW
BWI-ORD
IAD-ORD
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 Maryland to Illinois
USMD-USIL
DCA-ORD
IAD-MDW
BWI-MDW
BWI-ORD
What is the cheapest month to book a flight from Maryland to Illinois?
Currently, January is the cheapest month in which you can book a flight from Maryland to Illinois (average of $227). Flying from Maryland 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 MD to IL?
Find hourly flight availability from Maryland 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 17, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Maryland to Illinois by exploring options for tickets in the afternoon.
Weekly flight availability from Maryland to Illinois
Explore weekly flight availability from Maryland 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 17, 2026.
The most flights from USMD to USIL are scheduled on a Wednesday (18 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Maryland to Illinois?
Airfare is below average for this route at the moment.
Maryland to Illinois flights typically cost between $196 and $354 in October.The cheapest round-trip price found within the last 5 days was $176 on Frontier (Oct 22-Oct 23).
How far ahead should I book a flight from Maryland to Illinois?
The price you pay for your flight from Maryland to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Maryland to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Maryland to Illinois. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Maryland 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 17, 2026.
Read through reviews of airlines operating flights from Maryland to Illinois, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Maryland to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Maryland 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 Maryland to Illinois by cabin class
Find flights from Maryland to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maryland and Illinois flights
Browse other Maryland and Illinois flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Maryland after your stay in Illinois
Maryland to Illinois flights
Consider these flights traveling from Maryland to Illinois.
Top 5 airlines flying from Maryland to Illinois
Discover the top 5 airlines that operate flights from Maryland 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$200 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$404 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$361 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$182 | Average$360 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$413 | FlexibilityNo cancel fee | On-timeN/A |