$56+ Cheap flights from Illinois to Maryland
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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Maryland 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 MarylandExplore the most affordable flight options available from Illinois to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from Illinois to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/232:29 pm -
1 stop6h 01m
Wed 9/306:38 am -
1 stop7h 32m
Deal found 8/24![Frontier logo]()
$106
This Booking.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/110:26 am -
1 stop5h 20m
Mon 10/510:20 am -
Nonstop2h 20m
Deal found 8/22![Frontier logo]()
$113
This CheapOair deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/2410:26 am -
1 stop5h 20m
Sat 9/265:03 pm -
Nonstop2h 24m
Deal found 8/25![Frontier logo]()
$114
This FlightHub deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
Nonstop1h 57m
Sat 10/316:24 am -
1 stop7h 27m
Deal found 8/25![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/1912:56 pm -
Nonstop2h 12m
Mon 9/2110:20 am -
Nonstop2h 20m
Deal found 8/24![Frontier logo]()
$116
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/176:20 am -
Nonstop2h 05m
Mon 9/2110:20 am -
Nonstop2h 20m
Deal found 8/21![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/256:20 am -
Nonstop2h 05m
Sat 10/35:03 pm -
Nonstop2h 24m
Deal found 8/24![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/162:29 pm -
1 stop6h 01m
Tue 9/229:25 pm -
1 stop16h 45m
Deal found 8/23![Frontier logo]()
$119
This CheapOair deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/176:20 am -
Nonstop2h 05m
Thu 9/241:29 pm -
1 stop12h 16m
Deal found 8/24![Frontier logo]()
$120
This FlightHub deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:13 pm -
1 stop13h 39m
Mon 11/99:53 am -
Nonstop2h 30m
Deal found 8/25![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/226:00 am -
Nonstop2h 03m
Fri 10/309:53 am -
Nonstop2h 30m
Deal found 8/22![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/110:26 am -
1 stop5h 20m
Sat 10/35:03 pm -
Nonstop2h 24m
Deal found 8/25![Frontier logo]()
$123
Best flights from Illinois to MarylandDiscover carefully curated flight deals from Illinois to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Illinois to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This Super.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/16:20 am -
Nonstop2h 05m
Sun 10/410:20 am -
Nonstop2h 20m
Deal found 8/25![Frontier logo]()
$156
This Southwest deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 10/17:25 am -
Nonstop1h 45m
Mon 10/59:00 pm -
Nonstop2h 00m
Deal found 8/21![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/197:30 am -
Nonstop2h 00m
Sat 9/265:29 pm -
Nonstop2h 20m
Deal found 8/22![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 10/211:50 pm -
1 stop8h 05m
Sat 10/2411:05 am -
1 stop7h 15m
Deal found 8/21![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/287:55 pm -
Nonstop1h 55m
Tue 9/292:50 pm -
Nonstop2h 00m
Deal found 8/25![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/2310:49 am -
Nonstop2h 09m
Wed 9/309:09 am -
Nonstop2h 20m
Deal found 8/25![United Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/166:15 pm -
Nonstop2h 14m
Thu 9/178:25 am -
Nonstop2h 20m
Deal found 8/21![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/268:05 am -
Nonstop2h 00m
Tue 10/69:00 pm -
Nonstop1h 55m
Deal found 8/25![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/195:29 pm -
1 stop4h 38m
Wed 10/217:59 am -
1 stop7h 29m
Deal found 8/22![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/284:00 pm -
Nonstop2h 09m
Thu 10/11:15 pm -
Nonstop2h 17m
Deal found 8/25![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/16:00 am -
Nonstop1h 50m
Mon 10/56:00 pm -
Nonstop2h 00m
Deal found 8/25![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/291:23 pm -
1 stop5h 10m
Mon 11/212:27 pm -
1 stop5h 05m
Deal found 8/22![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/15:59 am -
Nonstop1h 55m
Mon 10/57:46 am -
Nonstop2h 14m
Deal found 8/25![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 11/71:23 pm -
1 stop5h 19m
Mon 11/166:30 pm -
1 stop6h 24m
Deal found 8/23![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/67:55 am -
1 stop3h 40m
Tue 10/133:05 pm -
Nonstop2h 00m
Deal found 8/22![Southwest logo]()
$183
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/105:00 pm -
Nonstop2h 09m
Mon 10/127:46 am -
Nonstop2h 14m
Deal found 8/25![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 11/187:00 am -
1 stop4h 40m
Thu 11/262:00 pm -
1 stop6h 02m
Deal found 8/21![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/1911:45 am -
1 stop3h 15m
Sat 9/266:35 am -
Nonstop2h 00m
Deal found 8/25![Southwest logo]()
$183
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/2412:55 pm -
Nonstop2h 06m
Thu 10/16:10 am -
Nonstop2h 15m
Deal found 8/25![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/34:30 pm -
1 stop6h 14m
Wed 10/76:10 am -
1 stop4h 07m
Deal found 8/25![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 10/131:00 pm -
1 stop3h 35m
Tue 10/204:30 pm -
1 stop4h 15m
Deal found 8/25![Southwest logo]()
$192
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/136:44 pm -
1 stop3h 32m
Wed 10/146:00 am -
1 stop5h 03m
Deal found 8/24![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 11/186:44 pm -
1 stop3h 37m
Thu 11/2611:10 am -
1 stop5h 02m
Deal found 8/22![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/78:05 am -
2 stops5h 25m
Wed 10/146:05 am -
1 stop5h 50m
Deal found 8/23![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/216:04 am -
1 stop4h 28m
Sat 10/246:05 am -
1 stop4h 12m
Deal found 8/23![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:45 pm -
Nonstop2h 14m
Wed 9/305:29 pm -
Nonstop2h 20m
Deal found 8/25![United Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/255:45 am -
Nonstop1h 45m
Mon 10/268:40 pm -
Nonstop2h 00m
Deal found 8/25![Southwest logo]()
$216
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/39:29 am -
1 stop6h 01m
Wed 10/76:05 am -
1 stop4h 12m
Deal found 8/24![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/296:04 am -
1 stop4h 28m
Sat 10/3111:10 am -
1 stop5h 07m
Deal found 8/24![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/168:55 pm -
Nonstop1h 50m
Mon 10/196:15 am -
Nonstop2h 00m
Deal found 8/22![Southwest logo]()
$219
Last-minute flights from Illinois to MarylandDiscover last-minute flight deals from Illinois to Maryland. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Maryland. Data last updated August 26, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/106:20 am -
Nonstop2h 05m
Mon 9/145:42 pm -
1 stop21h 35m
Deal found 8/22![Frontier logo]()
$124
This Expedia deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/124:30 pm -
Nonstop2h 16m
Wed 9/161:55 pm -
1 stop25h 50m
Deal found 8/23![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/162:29 pm -
1 stop6h 01m
Tue 9/229:25 pm -
1 stop16h 45m
Deal found 8/23![Frontier logo]()
$119
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/176:20 am -
Nonstop2h 05m
Mon 9/2110:20 am -
Nonstop2h 20m
Deal found 8/21![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/176:20 am -
Nonstop2h 05m
Thu 9/241:29 pm -
1 stop12h 16m
Deal found 8/24![Frontier logo]()
$120
This Booking.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/176:20 am -
Nonstop2h 05m
Thu 9/173:04 pm -
1 stop8h 55m
Deal found 8/25![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/1912:56 pm -
Nonstop2h 12m
Mon 9/2110:20 am -
Nonstop2h 20m
Deal found 8/22![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/232:29 pm -
1 stop6h 01m
Wed 9/306:38 am -
1 stop7h 32m
Deal found 8/24![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/2410:26 am -
1 stop5h 20m
Sat 9/265:03 pm -
Nonstop2h 24m
Deal found 8/25![Frontier logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/256:20 am -
Nonstop2h 05m
Sat 10/35:03 pm -
Nonstop2h 24m
Deal found 8/24![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/2612:56 pm -
Nonstop2h 12m
Wed 9/306:38 am -
1 stop6h 13m
Deal found 8/25![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/2612:56 pm -
Nonstop2h 12m
Tue 10/612:45 pm -
1 stop8h 44m
Deal found 8/25![Frontier logo]()
$125
One-way flights from Illinois to MarylandSearch for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/232:29 pm -
1 stop6h 01m
Deal found 8/25![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/212:29 pm -
1 stop25h 17m
Deal found 8/25![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 stop25h 17m
Deal found 8/25![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 9/162:29 pm -
1 stop6h 01m
Deal found 8/25![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop13h 52m
Deal found 8/25![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/162:29 pm -
1 stop25h 49m
Deal found 8/21![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop25h 49m
Deal found 8/24![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 10/52:29 pm -
1 stop8h 41m
Deal found 8/24![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 11/136:44 pm -
1 stop13h 37m
Deal found 8/23![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 10/22:29 pm -
1 stop25h 17m
Deal found 8/21![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 10/22:29 pm -
1 stop25h 49m
Deal found 8/21![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” 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 stop17h 56m
Deal found 8/25![Frontier logo]()
$76
Find flight deals from Illinois to Maryland
Keep the following information in mind while searching for Illinois to Maryland flight deals. Data was last updated August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $106 (Kiwi.com) |
One-way from | $56 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $263 |
Good round-trip deal | $149 or less |
Good one-way deal | $123 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Maryland 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 August 26, 2026.
Use the filters below to find and compare flights from Illinois to Maryland 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
Thu 10/1
6:20 am-9:25 am
Nonstop2h 05m
Baltimore/Washington
Sun 10/4
10:20 am-11:40 am
Nonstop2h 20m
$156
Quickest round-trip
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Thu 10/1
7:25 am-10:10 am
Nonstop1h 45m
Baltimore/Washington
Mon 10/5
9:00 pm-10:00 pm
Nonstop2h 00m
$177
ChicagoBaltimore
ORD Chicago O'Hare Intl - BWI Baltimore/Washington
ORDBWI
Chicago O'Hare Intl
Sat 9/19
7:30 am-10:30 am
Nonstop2h 00m
Baltimore/Washington
Sat 9/26
5:29 pm-6:49 pm
Nonstop2h 20m
$177
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Mon 9/28
7:55 pm-10:50 pm
Nonstop1h 55m
Baltimore/Washington
Tue 9/29
2:50 pm-3:50 pm
Nonstop2h 00m
$177
ChicagoBaltimore
ORD Chicago O'Hare Intl - BWI Baltimore/Washington
ORDBWI
Chicago O'Hare Intl
Wed 9/23
10:49 am-1:58 pm
Nonstop2h 09m
Baltimore/Washington
Wed 9/30
9:09 am-10:29 am
Nonstop2h 20m
$177
ChicagoBaltimore
ORD Chicago O'Hare Intl - BWI Baltimore/Washington
ORDBWI
Chicago O'Hare Intl
Wed 9/16
6:15 pm-9:29 pm
Nonstop2h 14m
Baltimore/Washington
Thu 9/17
8:25 am-9:45 am
Nonstop2h 20m
$177
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Sat 9/26
8:05 am-11:05 am
Nonstop2h 00m
Washington, D.C. Reagan-National
Tue 10/6
9:00 pm-9:55 pm
Nonstop1h 55m
$177
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Mon 9/28
4:00 pm-7:09 pm
Nonstop2h 09m
Washington, D.C. Reagan-National
Thu 10/1
1:15 pm-2:32 pm
Nonstop2h 17m
$177
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Thu 10/1
6:00 am-8:50 am
Nonstop1h 50m
Washington, D.C. Reagan-National
Mon 10/5
6:00 pm-7:00 pm
Nonstop2h 00m
$177
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Thu 10/1
5:59 am-8:54 am
Nonstop1h 55m
Washington, D.C. Reagan-National
Mon 10/5
7:46 am-9:00 am
Nonstop2h 14m
$177
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Maryland
Have a flexible travel schedule? Discover the best time to fly to Maryland from Illinois with our price prediction graph.
STL-BWI
ORD-BWI
MDW-BWI
ORD-IAD
ORD-DCA
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 Maryland
USIL-USMD
STL-BWI
ORD-BWI
MDW-BWI
ORD-IAD
What is the cheapest month to book a flight from Illinois to Maryland?
Currently, September is the cheapest month in which you can book a flight from Illinois to Maryland (average of $182). Flying from Illinois to Maryland 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 MD?
Find hourly flight availability from Illinois to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 26, 2026.
It’s typically best to fly out from Illinois to Maryland at noon. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.
Weekly flight availability from Illinois to Maryland
Explore weekly flight availability from Illinois to Maryland. 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 26, 2026.
The most flights from USIL to USMD are scheduled on a Monday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Illinois to Maryland?
Airfare is below average for this route at the moment.
Illinois to Maryland flights typically cost between $154 and $346 in October.The cheapest round-trip price found within the last 5 days was $113 on Frontier (Oct 1-Oct 5).
How far ahead should I book a flight from Illinois to Maryland?
To ensure you get the cheapest price possible for a flight from Illinois to Maryland, 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 Maryland?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Maryland. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their Illinois to Maryland 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.
Reviews of airlines servicing Maryland
Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated August 26, 2026.
Read through reviews of airlines operating flights from Illinois to Maryland, 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.
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Related info for your journey
Find useful and relevant information for your journey from Illinois to Maryland. 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 Maryland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Maryland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Maryland by cabin class
Find flights from Illinois to Maryland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Maryland flights
Browse other Illinois and Maryland flight options. Last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Maryland
Find the right flight back to Illinois after your stay in Maryland
Illinois to Maryland flights
Consider these flights traveling from Illinois to Maryland.
Top 5 airlines flying from Illinois to Maryland
Discover the top 5 airlines that operate flights from Illinois to Maryland. 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 August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$165 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$361 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$158 | Average$310 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$381 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$407 | FlexibilityNo cancel fee | On-timeN/A |