$54+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Mar 3 — Mar 101
1 adult, Economy
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Find cheap flights from Illinois to Maryland with Cheapflights
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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 February 1, 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 February 1, 2026.
This Super.com deal was found by Cheapflights users on 1/30. 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 2/193:15 pm
ORD
- BWI
Nonstop2h 09m
Frontier
Sun 3/19:59 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 1/30![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Thu 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Tue 3/35:58 pm
BWI
- ORD
1 stop17h 53m
Frontier
Deal found 1/30![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 1/30. 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 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Thu 3/59:19 am
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 1/30![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sun 3/16:05 pm
ORD
- BWI
Nonstop2h 09m
Frontier
Tue 3/36:00 am
BWI
- ORD
1 stop11h 52m
Frontier
Deal found 1/29![Frontier logo]()
$88
This Expedia deal was found by Cheapflights users on 1/30. 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.
Sun 3/16:05 pm
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
Tue 3/312:30 pm
BWI
- ORD
1 stop9h 43m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$91
This Expedia deal was found by Cheapflights users on 1/30. 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.
Thu 3/55:15 am
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
Mon 3/912:30 pm
BWI
- ORD
1 stop7h 41m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sun 3/16:05 pm
ORD
- BWI
Nonstop2h 09m
Frontier
Mon 3/26:08 pm
BWI
- ORD
1 stop17h 43m
Frontier
Deal found 1/30![Frontier logo]()
$97
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:34 pm
ORD
- BWI
Nonstop2h 09m
Frontier
Mon 3/94:32 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 2/1![Frontier logo]()
$98
This Mytrip deal was found by Cheapflights users on 1/30. 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.
Fri 3/612:34 pm
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
Mon 3/910:06 am
BWI
- ORD
1 stop10h 05m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sat 2/284:42 pm
ORD
- BWI
1 stop6h 54m
Frontier
Sun 3/19:59 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 1/30![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sat 2/284:42 pm
ORD
- BWI
1 stop6h 54m
Frontier
Tue 3/36:00 am
BWI
- ORD
1 stop11h 52m
Frontier
Deal found 1/30![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/138:20 am
ORD
- PHL
Nonstop2h 09m
Frontier
Mon 2/169:47 pm
PHL
- ORD
Nonstop2h 36m
Frontier
Deal found 1/31![Frontier logo]()
$107
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 February 1, 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 February 1, 2026.
This Travelocity deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:00 am
ORD
- PHL
1 stop11h 52m
Spirit Airlines
Mon 3/95:26 pm
PHL
- ORD
1 stop7h 21m
Spirit Airlines
Deal found 1/31![Spirit Airlines logo]()
$119
This Frontier deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/208:20 am
ORD
- PHL
Nonstop2h 09m
Frontier
Mon 2/237:35 am
PHL
- ORD
Nonstop2h 36m
Frontier
Deal found 1/31![Frontier logo]()
$134
This Southwest deal was found by Cheapflights users on 1/30. 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.
Mon 3/27:05 pm
MDW
- BWI
Nonstop1h 50m
Southwest
Tue 3/37:45 am
BWI
- MDW
Nonstop2h 20m
Southwest
Deal found 1/30![Southwest logo]()
$139
This Expedia deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Mon 3/212:01 pm
ORD
- PHL
1 stop9h 51m
Multiple Airlines
Mon 3/95:26 pm
PHL
- ORD
1 stop7h 21m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$141
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 3/26:15 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Tue 3/310:30 am
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 1/30![United Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 2/1. 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 3/105:30 am
ORD
- BWI
1 stop7h 01m
Delta
Wed 3/1111:45 am
BWI
- ORD
1 stop5h 58m
Delta
Deal found 2/1![Delta logo]()
$197
This JetBlue deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:00 am
ORD
- DCA
1 stop5h 04m
JetBlue
Mon 3/96:00 am
DCA
- ORD
1 stop6h 48m
JetBlue
Deal found 1/31![JetBlue logo]()
$236
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/246:00 am
STL
- DCA
Nonstop2h 12m
American Airlines
Thu 3/261:45 pm
DCA
- STL
Nonstop2h 34m
American Airlines
Deal found 2/1![American Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/18:16 pm
ORD
- BWI
1 stop11h 50m
Multiple Airlines
Mon 3/26:08 pm
BWI
- ORD
1 stop17h 43m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$148
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 2/246:15 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Mon 3/26:30 am
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 1/29![United Airlines logo]()
$149
This Southwest deal was found by Cheapflights users on 2/1. 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 3/35:15 pm
MDW
- BWI
Nonstop1h 55m
Southwest
Tue 3/108:35 am
BWI
- MDW
Nonstop2h 15m
Southwest
Deal found 2/1![Southwest logo]()
$158
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Thu 2/199:05 am
MDW
- IAD
1 stop6h 38m
Frontier
Mon 2/235:22 pm
IAD
- MDW
1 stop6h 07m
Frontier
Deal found 1/31![Frontier logo]()
$158
This CheapOair deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Fri 3/68:16 pm
ORD
- PHL
1 stop11h 28m
Spirit Airlines
Sun 3/85:26 pm
PHL
- ORD
1 stop28h 47m
Spirit Airlines
Deal found 1/31![Spirit Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/27:05 pm
MDW
- BWI
Nonstop1h 50m
Southwest
Mon 3/96:40 am
BWI
- MDW
Nonstop2h 10m
Southwest
Deal found 1/31![Southwest logo]()
$158
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/36:15 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Sat 3/76:05 am
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 2/1![United Airlines logo]()
$158
This Frontier deal was found by Cheapflights users on 2/1. 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.
Tue 3/106:00 am
MDW
- BWI
1 stop7h 24m
Frontier
Wed 3/113:19 pm
BWI
- MDW
1 stop8h 00m
Frontier
Deal found 2/1![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 2/1. 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.
Tue 4/72:56 pm
MDW
- IAD
1 stop8h 40m
Frontier
Thu 4/95:34 pm
IAD
- MDW
1 stop5h 47m
Frontier
Deal found 2/1![Frontier logo]()
$160
This Expedia deal was found by Cheapflights users on 1/30. 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.
Thu 2/58:43 pm
ORD
- PHL
1 stop11h 04m
Spirit Airlines
Tue 2/1012:40 pm
PHL
- ORD
1 stop12h 07m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 1/29. 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 3/26:50 am
MDW
- BWI
Nonstop1h 55m
Southwest
Mon 3/28:15 pm
BWI
- MDW
Nonstop2h 10m
Southwest
Deal found 1/29![Southwest logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 4/171:27 pm
ORD
- PHL
1 stop9h 32m
Multiple Airlines
Mon 4/206:34 pm
PHL
- ORD
Nonstop2h 34m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$190
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 3/56:40 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Mon 3/96:20 am
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 1/30![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 1/30. 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.
Tue 3/106:00 am
ORD
- DCA
1 stop5h 53m
Delta
Wed 3/1112:29 pm
DCA
- ORD
1 stop5h 14m
Delta
Deal found 1/30![Delta logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/208:20 am
ORD
- PHL
Nonstop2h 09m
Frontier
Sat 2/2111:39 am
PHL
- ORD
2 stops12h 38m
Frontier
Deal found 1/31![Frontier logo]()
$169
This Southwest deal was found by Cheapflights users on 1/30. 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.
Mon 3/96:35 am
MDW
- BWI
Nonstop1h 55m
Southwest
Wed 3/116:30 am
BWI
- MDW
Nonstop2h 15m
Southwest
Deal found 1/30![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 3/96:40 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Wed 3/118:09 am
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 1/30![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 1/30. 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.
Tue 2/246:00 am
MDW
- IAD
1 stop4h 35m
Delta
Tue 2/243:42 pm
IAD
- MDW
1 stop7h 51m
Delta
Deal found 1/30![Delta logo]()
$217
This Super.com deal was found by Cheapflights users on 2/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:32 pm
ORD
- PHL
Nonstop2h 14m
Frontier
Mon 4/134:08 pm
PHL
- ORD
Nonstop2h 34m
Frontier
Deal found 2/1![Frontier logo]()
$171
This Southwest deal was found by Cheapflights users on 1/29. 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.
Fri 3/69:40 pm
MDW
- BWI
Nonstop1h 45m
Southwest
Tue 3/106:25 pm
BWI
- MDW
Nonstop2h 10m
Southwest
Deal found 1/29![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Fri 3/66:40 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Tue 3/108:09 am
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 1/29![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 1/30. 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.
Tue 4/146:00 am
MDW
- IAD
1 stop4h 46m
Delta
Tue 4/145:27 pm
IAD
- MDW
1 stop6h 01m
Delta
Deal found 1/30![Delta logo]()
$217
Last-minute flights from Illinois to MarylandDiscover last-minute flight deals from Illinois to Maryland. Data last updated February 1, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Maryland. Data last updated February 1, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/138:20 am
ORD
- PHL
Nonstop2h 09m
Frontier
Mon 2/169:47 pm
PHL
- ORD
Nonstop2h 36m
Frontier
Deal found 1/31![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 1/30. 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 2/193:15 pm
ORD
- BWI
Nonstop2h 09m
Frontier
Sun 3/19:59 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 1/30![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 1/30. 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 2/195:05 am
ORD
- BWI
1 stop11h 08m
Frontier
Thu 2/269:19 am
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 1/30![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Mon 2/2310:15 am
ORD
- PHL
Nonstop2h 09m
Frontier
Tue 2/2411:40 am
PHL
- ORD
1 stop6h 12m
Frontier
Deal found 1/31![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Thu 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Tue 3/35:58 pm
BWI
- ORD
1 stop17h 53m
Frontier
Deal found 1/30![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 1/30. 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 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Thu 3/59:19 am
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 1/30![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Mon 3/26:08 pm
BWI
- ORD
1 stop17h 43m
Frontier
Deal found 2/1![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Thu 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
Wed 3/46:20 am
BWI
- ORD
2 stops11h 32m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$109
This Gotogate deal was found by Cheapflights users on 1/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:21 pm
ORD
- BWI
1 stop16h 20m
Frontier
Sun 3/19:59 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 1/30![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/273:40 pm
ORD
- BWI
1 stop16h 26m
Multiple Airlines
Sun 3/19:59 pm
BWI
- ORD
Nonstop2h 27m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sat 2/284:42 pm
ORD
- BWI
1 stop6h 54m
Frontier
Sun 3/19:59 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 1/30![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sat 2/284:42 pm
ORD
- BWI
1 stop6h 54m
Frontier
Wed 3/46:00 am
BWI
- ORD
1 stop11h 52m
Frontier
Deal found 1/30![Frontier logo]()
$106
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 February 1, 2026.
Search for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated February 1, 2026.
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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.
Wed 3/1111:32 am
STL
- IAD
1 stop11h 59m
Frontier
Deal found 1/31![Frontier logo]()
$54
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/286:40 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Deal found 1/31![United Airlines logo]()
$59
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:32 am
STL
- IAD
1 stop11h 49m
Frontier
Deal found 1/30![Frontier logo]()
$59
This Expedia deal was found by Cheapflights users on 2/1. 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.
Mon 2/238:16 pm
ORD
- BWI
1 stop11h 50m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$60
This Travelocity deal was found by Cheapflights users on 1/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:19 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Deal found 1/30![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 2/258:16 pm
ORD
- BWI
1 stop11h 50m
Spirit Airlines
Deal found 1/31![Spirit Airlines logo]()
$63
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:27 am
STL
- IAD
1 stop11h 29m
Frontier
Deal found 1/30![Frontier logo]()
$63
This Expedia deal was found by Cheapflights users on 2/1. 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.
Thu 2/265:15 am
ORD
- BWI
1 stop12h 46m
Spirit Airlines
Deal found 2/1![Spirit Airlines logo]()
$64
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:25 am
MDW
- BWI
1 stop17h 11m
Frontier
Deal found 1/30![Frontier logo]()
$65
This Booking.com deal was found by Cheapflights users on 2/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/912:38 pm
ORD
- BWI
Nonstop2h 09m
Frontier
Deal found 2/1![Frontier logo]()
$65
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:21 am
STL
- IAD
1 stop12h 15m
Frontier
Deal found 1/30![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” 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 3/106:00 am
MDW
- BWI
1 stop7h 24m
Frontier
Deal found 1/31![Frontier logo]()
$66
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 February 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $82 (Super.com) |
One-way from | $54 (Trip.com) |
Popular in | November |
Cheapest in | August |
Average price | $229 |
Good round-trip deal | $143 or less |
Good one-way deal | $87 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 2,558,603 searches. Data last updated February 1, 2026.
Use the filters below to find and compare flights from Illinois to Maryland that are best for you.
Fly from
Illinois
Fly to
Maryland
Route
Depart
Return
Price
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Wed 3/4
7:00 am-7:52 pm
1 stop11h 52m
Philadelphia
Mon 3/9
5:26 pm-11:47 pm
1 stop7h 21m
$119
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Fri 2/20
8:20 am-11:29 am
Nonstop2h 09m
Philadelphia
Mon 2/23
7:35 am-9:11 am
Nonstop2h 36m
$134
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Mon 3/2
7:05 pm-9:55 pm
Nonstop1h 50m
Baltimore/Washington
Tue 3/3
7:45 am-9:05 am
Nonstop2h 20m
$139
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Mon 3/2
12:01 pm-10:52 pm
1 stop9h 51m
Philadelphia
Mon 3/9
5:26 pm-11:47 pm
1 stop7h 21m
$141
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Sun 3/1
8:16 pm-9:06 am
1 stop11h 50m
Baltimore/Washington
Mon 3/2
6:08 pm-10:51 am
1 stop17h 43m
$148
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Mon 3/2
6:15 pm-9:17 pm
Nonstop2h 02m
Baltimore/Washington
Tue 3/3
10:30 am-11:53 am
Nonstop2h 23m
$149
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Tue 2/24
6:15 pm-9:17 pm
Nonstop2h 02m
Baltimore/Washington
Mon 3/2
6:30 am-7:53 am
Nonstop2h 23m
$149
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Tue 3/3
5:15 pm-8:10 pm
Nonstop1h 55m
Baltimore/Washington
Tue 3/10
8:35 am-9:50 am
Nonstop2h 15m
$158
ChicagoWashington, D.C.
MDW - IAD
MDWIAD
Chicago Midway
Thu 2/19
9:05 am-4:43 pm
1 stop6h 38m
Washington, D.C. Dulles Intl
Mon 2/23
5:22 pm-10:29 pm
1 stop6h 07m
$158
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Mon 3/2
7:05 pm-9:55 pm
Nonstop1h 50m
Baltimore/Washington
Mon 3/9
6:40 am-7:50 am
Nonstop2h 10m
$158
Showing 1-10 of 60 results
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.
ORD-PHL
MDW-BWI
ORD-BWI
ORD-DCA
STL-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
ORD-PHL
MDW-BWI
ORD-BWI
ORD-DCA
What is the cheapest month to book a flight from Illinois to Maryland?
Currently, February is the cheapest month in which you can book a flight from Illinois to Maryland (average of $57). Flying from Illinois to Maryland in April is currently the most expensive (average of $157). 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 February 1, 2026.
It’s typically best to fly out from Illinois to Maryland at noon. Doing so could potentially save you 20% on the flight price compared to flying in the evening, which is usually more expensive.
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 January 31, 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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 February 1, 2026.
The most flights from USIL to USMD are scheduled on a Sunday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).
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 February 1, 2026.
Read through reviews of airlines operating flights from Illinois to Maryland, such as Southwest, United Airlines, and American 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
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Illinois to Maryland
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Illinois to Maryland
Discover the top 6 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 2,558,603 searches. Data last updated February 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$118 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$57 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$114 | Average$309 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$148 | Average$435 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$158 | Average$278 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$183 | Average$359 | FlexibilityNo cancel fee | On-timeN/A |