$61+ 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 16 — Mar 231
1 adult, Economy
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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 14, 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 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Mon 4/209:43 pm
BWI
- ORD
1 stop24h 34m
Frontier
Deal found 2/10![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Tue 3/36:00 am
BWI
- ORD
1 stop11h 52m
Frontier
Deal found 2/10![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Sun 4/264:25 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/11![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:16 pm
ORD
- PHL
1 stop11h 28m
Multiple Airlines
Mon 3/27:35 am
PHL
- ORD
Nonstop2h 36m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$106
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2412:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Sun 4/264:25 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/10![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:20 pm
ORD
- PHL
Nonstop2h 14m
Frontier
Sun 4/266:34 pm
PHL
- ORD
Nonstop2h 34m
Frontier
Deal found 2/10![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 2/13. 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 4/21:19 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Thu 4/95:09 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/13![Frontier logo]()
$108
This Frontier deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:57 am
ORD
- PHL
1 stop7h 35m
Frontier
Mon 4/206:34 pm
PHL
- ORD
Nonstop2h 34m
Frontier
Deal found 2/11![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Fri 4/244:25 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/13![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:20 pm
ORD
- PHL
Nonstop2h 14m
Multiple Airlines
Tue 5/125:59 pm
PHL
- ORD
1 stop7h 15m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
ORD
- BWI
Nonstop2h 05m
Multiple Airlines
Sat 4/185:45 am
BWI
- ORD
1 stop9h 37m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:20 pm
ORD
- PHL
Nonstop2h 14m
Multiple Airlines
Tue 4/285:28 pm
PHL
- ORD
1 stop18h 54m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$111
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 14, 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 14, 2026.
This Frontier deal was found by Cheapflights users on 2/13. 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.
Mon 4/2012:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Thu 4/236:00 pm
BWI
- ORD
1 stop5h 39m
Frontier
Deal found 2/13![Frontier logo]()
$137
This Southwest deal was found by Cheapflights users on 2/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:25 pm
MDW
- PHL
Nonstop2h 00m
Southwest
Mon 5/112:15 pm
PHL
- MDW
Nonstop2h 10m
Southwest
Deal found 2/13![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:34 pm
MDW
- BWI
1 stop3h 27m
Delta
Sat 4/115:40 am
BWI
- MDW
1 stop4h 13m
Delta
Deal found 2/13![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:20 pm
ORD
- PHL
Nonstop2h 12m
United Airlines
Wed 4/224:55 pm
PHL
- ORD
Nonstop2h 28m
United Airlines
Deal found 2/12![United Airlines logo]()
$177
This Gotogate deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate 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
Multiple Airlines
Thu 2/269:39 pm
BWI
- ORD
1 stop26h 08m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:00 am
STL
- DCA
1 stop5h 54m
American Airlines
Mon 3/237:30 am
DCA
- STL
Nonstop2h 36m
American Airlines
Deal found 2/10![American Airlines logo]()
$273
This Frontier deal was found by Cheapflights users on 2/12. 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 5/14:28 pm
ORD
- PHL
1 stop7h 26m
Frontier
Sun 5/36:34 pm
PHL
- ORD
Nonstop2h 34m
Frontier
Deal found 2/12![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 2/13. 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.
Fri 4/246:00 am
MDW
- BWI
1 stop9h 13m
Frontier
Sun 4/2610:00 pm
BWI
- MDW
1 stop11h 04m
Frontier
Deal found 2/13![Frontier logo]()
$160
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:39 pm
ORD
- PHL
Nonstop2h 06m
United Airlines
Wed 5/206:10 am
PHL
- ORD
Nonstop2h 29m
United Airlines
Deal found 2/13![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:25 am
ORD
- BWI
1 stop5h 29m
Delta
Sat 2/285:25 pm
BWI
- ORD
1 stop4h 19m
Delta
Deal found 2/13![Delta logo]()
$177
This Expedia deal was found by Cheapflights users on 2/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:45 pm
ORD
- BWI
1 stop17h 42m
Frontier
Mon 4/1310:00 pm
BWI
- ORD
1 stop18h 17m
Frontier
Deal found 2/13![Frontier logo]()
$160
This Southwest deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:30 am
MDW
- BWI
Nonstop1h 55m
Southwest
Wed 3/410:25 am
BWI
- MDW
Nonstop2h 10m
Southwest
Deal found 2/10![Southwest logo]()
$194
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:00 am
ORD
- BWI
Nonstop2h 02m
United Airlines
Fri 4/246:00 am
BWI
- ORD
Nonstop2h 21m
United Airlines
Deal found 2/13![United Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:09 pm
ORD
- BWI
2 stops14h 03m
Multiple Airlines
Mon 5/49:43 pm
BWI
- ORD
1 stop24h 34m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$202
This Priceline deal was found by Cheapflights users on 2/12. 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.
Fri 5/82:20 pm
MDW
- IAD
1 stop9h 16m
Frontier
Sat 5/168:09 am
IAD
- MDW
1 stop9h 04m
Frontier
Deal found 2/12![Frontier logo]()
$160
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:01 am
ORD
- BWI
Nonstop2h 03m
United Airlines
Wed 5/136:45 pm
BWI
- ORD
Nonstop2h 22m
United Airlines
Deal found 2/13![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:40 pm
MDW
- BWI
Nonstop1h 45m
Southwest
Wed 3/186:30 am
BWI
- MDW
Nonstop2h 15m
Southwest
Deal found 2/11![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:00 am
ORD
- BWI
1 stop3h 41m
Delta
Sat 4/185:36 pm
BWI
- ORD
1 stop4h 04m
Delta
Deal found 2/13![Delta logo]()
$197
This Frontier deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/102:56 pm
MDW
- IAD
1 stop8h 40m
Frontier
Mon 4/1312:55 pm
IAD
- MDW
1 stop8h 14m
Frontier
Deal found 2/11![Frontier logo]()
$160
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:30 pm
ORD
- BWI
Nonstop2h 03m
United Airlines
Thu 4/236:00 am
BWI
- ORD
Nonstop2h 21m
United Airlines
Deal found 2/13![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:30 am
MDW
- BWI
Nonstop1h 55m
Southwest
Fri 4/106:05 am
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 2/12![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:34 pm
MDW
- BWI
1 stop3h 27m
Delta
Sun 4/125:40 am
BWI
- MDW
1 stop4h 13m
Delta
Deal found 2/13![Delta logo]()
$207
This Frontier deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:20 pm
MDW
- IAD
1 stop9h 16m
Frontier
Sat 4/1810:51 am
IAD
- MDW
1 stop9h 40m
Frontier
Deal found 2/11![Frontier logo]()
$160
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:40 pm
ORD
- BWI
1 stop4h 21m
Delta
Sun 4/125:40 am
BWI
- ORD
1 stop4h 30m
Delta
Deal found 2/13![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:00 am
MDW
- BWI
Nonstop1h 50m
Southwest
Sat 4/187:30 pm
BWI
- MDW
Nonstop2h 10m
Southwest
Deal found 2/11![Southwest logo]()
$211
This United Airlines deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:40 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Wed 3/258:09 am
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 2/13![United Airlines logo]()
$207
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:12 pm
STL
- IAD
1 stop4h 13m
American Airlines
Sat 4/113:26 pm
IAD
- STL
1 stop5h 04m
American Airlines
Deal found 2/11![American Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:15 am
MDW
- DCA
Nonstop1h 45m
Southwest
Wed 3/1111:50 am
DCA
- MDW
Nonstop2h 10m
Southwest
Deal found 2/11![Southwest logo]()
$214
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:34 pm
MDW
- BWI
1 stop3h 27m
Delta
Wed 4/15:40 am
BWI
- MDW
1 stop4h 13m
Delta
Deal found 2/10![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:40 pm
ORD
- BWI
Nonstop2h 02m
United Airlines
Tue 3/178:09 am
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 2/10![United Airlines logo]()
$207
Last-minute flights from Illinois to MarylandDiscover last-minute flight deals from Illinois to Maryland. Data last updated February 14, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Maryland. Data last updated February 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/193:15 pm
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
Tue 2/2412:30 pm
BWI
- ORD
1 stop7h 41m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$119
This Expedia deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia 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
Multiple Airlines
Mon 2/2311:30 am
BWI
- ORD
1 stop9h 17m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:20 am
ORD
- PHL
Nonstop2h 09m
Frontier
Mon 2/237:35 am
PHL
- ORD
Nonstop2h 36m
Frontier
Deal found 2/10![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:15 am
ORD
- PHL
Nonstop2h 09m
Frontier
Wed 2/257:59 pm
PHL
- ORD
1 stop28h 06m
Frontier
Deal found 2/10![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:15 am
ORD
- PHL
Nonstop2h 09m
Frontier
Fri 2/273:45 pm
PHL
- ORD
1 stop8h 52m
Frontier
Deal found 2/10![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:16 pm
ORD
- PHL
1 stop11h 28m
Multiple Airlines
Mon 3/27:35 am
PHL
- ORD
Nonstop2h 36m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$106
This Priceline deal was found by Cheapflights users on 2/12. 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.
Wed 2/2510:44 am
ORD
- BWI
1 stop11h 09m
Multiple Airlines
Thu 3/59:19 am
BWI
- ORD
Nonstop2h 27m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$115
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Tue 3/36:00 am
BWI
- ORD
1 stop11h 52m
Frontier
Deal found 2/10![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Thu 3/59:19 am
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 2/10![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Mon 3/26:08 pm
BWI
- ORD
1 stop17h 43m
Frontier
Deal found 2/10![Frontier logo]()
$116
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:16 pm
ORD
- PHL
1 stop11h 28m
Multiple Airlines
Wed 3/411:40 am
PHL
- ORD
1 stop6h 12m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$123
This Frontier deal was found by Cheapflights users on 2/13. 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 3/55:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
Wed 3/114:28 pm
BWI
- ORD
1 stop8h 10m
Frontier
Deal found 2/13![Frontier logo]()
$113
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 14, 2026.
Search for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:05 am
MDW
- BWI
1 stop7h 19m
Frontier
Deal found 2/10![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:02 pm
ORD
- BWI
1 stop5h 29m
Frontier
Deal found 2/11![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:05 am
MDW
- BWI
1 stop7h 19m
Frontier
Deal found 2/10![Frontier logo]()
$64
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:02 pm
ORD
- BWI
1 stop5h 29m
Frontier
Deal found 2/9![Frontier logo]()
$65
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 2/10![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:00 am
MDW
- BWI
1 stop7h 24m
Frontier
Deal found 2/11![Frontier logo]()
$66
This Super.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.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 2/10![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:30 am
MDW
- BWI
1 stop8h 43m
Frontier
Deal found 2/10![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:10 am
MDW
- BWI
1 stop10h 03m
Frontier
Deal found 2/10![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:41 pm
ORD
- BWI
1 stop17h 43m
Frontier
Deal found 2/10![Frontier logo]()
$70
This Booking.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:30 am
ORD
- IAD
1 stop23h 55m
Frontier
Deal found 2/10![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:28 am
ORD
- IAD
1 stop14h 03m
Frontier
Deal found 2/10![Frontier logo]()
$71
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 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $103 (Kiwi.com) |
One-way from | $61 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $279 |
Good round-trip deal | $145 or less |
Good one-way deal | $89 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 14, 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
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Mon 4/20
12:25 pm-3:30 pm
Nonstop2h 05m
Baltimore/Washington
Thu 4/23
6:00 pm-10:39 pm
1 stop5h 39m
$137
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Fri 5/1
4:28 pm-12:54 am
1 stop7h 26m
Philadelphia
Sun 5/3
6:34 pm-8:08 pm
Nonstop2h 34m
$142
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Fri 4/24
6:00 am-4:13 pm
1 stop9h 13m
Baltimore/Washington
Sun 4/26
10:00 pm-8:04 am
1 stop11h 04m
$160
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Fri 4/10
5:45 pm-12:27 pm
1 stop17h 42m
Baltimore/Washington
Mon 4/13
10:00 pm-3:17 pm
1 stop18h 17m
$160
ChicagoWashington, D.C.
MDW - IAD
MDWIAD
Chicago Midway
Fri 5/8
2:20 pm-12:36 am
1 stop9h 16m
Washington, D.C. Dulles Intl
Sat 5/16
8:09 am-4:13 pm
1 stop9h 04m
$160
ChicagoWashington, D.C.
MDW - IAD
MDWIAD
Chicago Midway
Fri 4/10
2:56 pm-12:36 am
1 stop8h 40m
Washington, D.C. Dulles Intl
Mon 4/13
12:55 pm-8:09 pm
1 stop8h 14m
$160
ChicagoWashington, D.C.
MDW - IAD
MDWIAD
Chicago Midway
Thu 4/16
2:20 pm-12:36 am
1 stop9h 16m
Washington, D.C. Dulles Intl
Sat 4/18
10:51 am-7:31 pm
1 stop9h 40m
$160
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
Thu 5/7
3:25 pm-6:25 pm
Nonstop2h 00m
Philadelphia
Mon 5/11
2:15 pm-3:25 pm
Nonstop2h 10m
$177
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Sat 4/4
6:34 pm-11:01 pm
1 stop3h 27m
Baltimore/Washington
Sat 4/11
5:40 am-8:53 am
1 stop4h 13m
$177
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Mon 4/20
6:20 pm-9:32 pm
Nonstop2h 12m
Philadelphia
Wed 4/22
4:55 pm-6:23 pm
Nonstop2h 28m
$177
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-BWI
ORD-PHL
MDW-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-BWI
ORD-PHL
MDW-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 14, 2026.
It’s typically best to fly out from Illinois to Maryland at noon. Doing so could potentially save you 21% 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 February 7, 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 14, 2026.
The most flights from USIL to USMD are scheduled on a Saturday (19 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 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 14, 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.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
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.
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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 February 14, 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 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 14, 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$355 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$148 | Average$438 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$158 | Average$278 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$183 | Average$359 | FlexibilityNo cancel fee | On-timeN/A |