$76+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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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 March 18, 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 March 18, 2026.
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:00 am
ORD
- BWI
Nonstop2h 06m
Multiple Airlines
Wed 4/84:05 pm
BWI
- ORD
1 stop8h 12m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:55 am
ORD
- BWI
1 stop8h 27m
Frontier
Mon 5/1811:32 am
BWI
- ORD
Nonstop2h 22m
Frontier
Deal found 3/16![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:30 am
ORD
- BWI
Nonstop2h 07m
Multiple Airlines
Mon 5/116:02 pm
BWI
- ORD
1 stop16h 29m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:00 am
ORD
- BWI
Nonstop2h 06m
Frontier
Wed 4/156:00 am
BWI
- ORD
1 stop12h 00m
Frontier
Deal found 3/15![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:04 pm
MDW
- BWI
1 stop9h 53m
Frontier
Tue 5/128:52 am
BWI
- MDW
1 stop14h 10m
Frontier
Deal found 3/14![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:08 pm
ORD
- BWI
1 stop16h 11m
Frontier
Tue 4/215:49 pm
BWI
- ORD
1 stop17h 13m
Frontier
Deal found 3/15![Frontier logo]()
$145
This Super.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:42 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Mon 4/204:10 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 3/15![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/216:10 am
MDW
- BWI
1 stop9h 44m
Frontier
Wed 4/2212:17 pm
BWI
- MDW
1 stop8h 14m
Frontier
Deal found 3/18![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/152:15 pm
MDW
- BWI
1 stop9h 29m
Frontier
Wed 4/2212:17 pm
BWI
- MDW
1 stop10h 57m
Frontier
Deal found 3/18![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:36 pm
ORD
- BWI
1 stop16h 37m
Multiple Airlines
Thu 4/95:09 pm
BWI
- ORD
Nonstop2h 26m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/156:30 am
MDW
- BWI
1 stop9h 24m
Frontier
Sat 4/1812:18 pm
BWI
- MDW
1 stop10h 56m
Frontier
Deal found 3/18![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
MDW
- BWI
1 stop9h 22m
Frontier
Mon 5/187:23 pm
BWI
- MDW
1 stop16h 49m
Frontier
Deal found 3/17![Frontier logo]()
$165
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 March 18, 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 March 18, 2026.
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:40 am
ORD
- IAD
Nonstop2h 12m
United Airlines
Wed 6/1010:15 pm
IAD
- ORD
Nonstop2h 11m
United Airlines
Deal found 3/17![United Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:40 am
MDW
- PHL
Nonstop1h 55m
Southwest
Tue 5/125:45 pm
PHL
- MDW
Nonstop2h 10m
Southwest
Deal found 3/16![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:22 pm
MDW
- PHL
1 stop5h 07m
Delta
Sun 5/105:17 am
PHL
- MDW
1 stop5h 43m
Delta
Deal found 3/14![Delta logo]()
$257
This Super.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 3/2612:45 pm
ORD
- BWI
1 stop10h 14m
Spirit Airlines
Sun 3/2910:09 am
BWI
- ORD
1 stop7h 47m
Spirit Airlines
Deal found 3/18![Spirit Airlines logo]()
$305
This KAYAK deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:49 pm
ORD
- BWI
Nonstop2h 07m
American Airlines
Thu 5/148:14 pm
BWI
- ORD
1 stop4h 40m
American Airlines
Deal found 3/17![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 3/13. 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.
Sat 4/257:40 am
MDW
- PHL
Nonstop1h 55m
Southwest
Sat 5/23:45 pm
PHL
- MDW
Nonstop2h 15m
Southwest
Deal found 3/13![Southwest logo]()
$217
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:05 am
ORD
- PHL
Nonstop2h 11m
United Airlines
Fri 4/176:55 pm
PHL
- ORD
Nonstop2h 28m
United Airlines
Deal found 3/16![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:00 am
MDW
- PHL
1 stop6h 45m
Southwest
Mon 5/411:10 am
PHL
- MDW
Nonstop2h 10m
Southwest
Deal found 3/15![Southwest logo]()
$227
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:34 pm
MDW
- DCA
1 stop3h 17m
Delta
Thu 4/166:00 am
DCA
- MDW
1 stop3h 47m
Delta
Deal found 3/17![Delta logo]()
$259
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:51 am
ORD
- BWI
Nonstop2h 06m
United Airlines
Sat 5/236:20 pm
BWI
- ORD
Nonstop2h 24m
United Airlines
Deal found 3/17![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:00 pm
MDW
- PHL
Nonstop1h 55m
Southwest
Sat 5/211:50 am
PHL
- MDW
2 stops9h 15m
Southwest
Deal found 3/16![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:35 am
MDW
- IAD
1 stop6h 14m
Delta
Thu 4/166:00 am
IAD
- MDW
1 stop3h 47m
Delta
Deal found 3/16![Delta logo]()
$259
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/258:00 am
ORD
- DCA
Nonstop1h 59m
United Airlines
Sat 5/167:00 pm
DCA
- ORD
Nonstop2h 39m
United Airlines
Deal found 3/13![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 3/13. 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.
Mon 4/69:40 pm
MDW
- BWI
Nonstop1h 45m
Southwest
Wed 4/156:30 am
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 3/13![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Thu 4/306:00 am
ORD
- DCA
Nonstop1h 56m
United Airlines
Mon 5/46:30 am
DCA
- ORD
Nonstop2h 16m
United Airlines
Deal found 3/13![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:19 pm
ORD
- PHL
1 stop4h 48m
Delta
Sat 6/62:23 pm
PHL
- ORD
1 stop7h 01m
Delta
Deal found 3/17![Delta logo]()
$267
This KAYAK deal was found by Cheapflights users on 3/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:41 pm
ORD
- IAD
1 stop4h 18m
American Airlines
Thu 4/168:11 pm
IAD
- ORD
1 stop4h 43m
American Airlines
Deal found 3/13![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 3/13. 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.
Mon 4/139:15 pm
MDW
- BWI
Nonstop1h 50m
Southwest
Thu 4/239:15 pm
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 3/13![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
ORD
- DCA
Nonstop1h 54m
United Airlines
Mon 6/16:30 am
DCA
- ORD
Nonstop2h 16m
United Airlines
Deal found 3/17![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 3/13. 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.
Thu 4/169:27 am
MDW
- IAD
1 stop5h 48m
Delta
Mon 4/205:27 pm
IAD
- MDW
1 stop6h 01m
Delta
Deal found 3/13![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:00 pm
MDW
- BWI
Nonstop1h 50m
Southwest
Wed 4/156:30 am
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 3/15![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:35 am
ORD
- PHL
Nonstop2h 04m
United Airlines
Wed 6/31:31 pm
PHL
- ORD
Nonstop2h 24m
United Airlines
Deal found 3/17![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
MDW
- IAD
1 stop4h 46m
Delta
Wed 4/226:00 am
IAD
- MDW
1 stop4h 56m
Delta
Deal found 3/16![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:15 am
MDW
- PHL
2 stops11h 20m
Southwest
Fri 5/156:35 pm
PHL
- MDW
1 stop6h 20m
Southwest
Deal found 3/15![Southwest logo]()
$242
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sun 5/39:54 pm
ORD
- PHL
Nonstop2h 05m
United Airlines
Tue 5/511:32 am
PHL
- ORD
Nonstop2h 29m
United Airlines
Deal found 3/13![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:19 pm
ORD
- IAD
1 stop4h 37m
Delta
Tue 5/123:08 pm
IAD
- ORD
1 stop6h 18m
Delta
Deal found 3/16![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:45 pm
MDW
- PHL
Nonstop2h 00m
Southwest
Thu 4/307:10 pm
PHL
- MDW
1 stop4h 35m
Southwest
Deal found 3/17![Southwest logo]()
$247
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:05 am
ORD
- PHL
Nonstop2h 11m
United Airlines
Thu 5/76:10 am
PHL
- ORD
Nonstop2h 29m
United Airlines
Deal found 3/16![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:36 pm
MDW
- PHL
1 stop3h 31m
Delta
Sat 6/135:30 am
PHL
- MDW
1 stop7h 26m
Delta
Deal found 3/15![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:45 pm
MDW
- PHL
Nonstop2h 00m
Southwest
Sun 5/312:25 pm
PHL
- MDW
1 stop6h 25m
Southwest
Deal found 3/16![Southwest logo]()
$247
Last-minute flights from Illinois to MarylandDiscover last-minute flight deals from Illinois to Maryland. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Maryland. Data last updated March 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:36 pm
ORD
- BWI
1 stop16h 37m
Multiple Airlines
Thu 4/95:09 pm
BWI
- ORD
Nonstop2h 26m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:10 pm
ORD
- BWI
1 stop15h 03m
Multiple Airlines
Wed 4/84:55 pm
BWI
- ORD
Nonstop2h 23m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$152
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:00 am
ORD
- BWI
Nonstop2h 06m
Multiple Airlines
Wed 4/84:05 pm
BWI
- ORD
1 stop8h 12m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:00 am
ORD
- BWI
Nonstop2h 06m
Frontier
Wed 4/156:00 am
BWI
- ORD
1 stop12h 00m
Frontier
Deal found 3/15![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:19 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Thu 4/164:42 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 3/17![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:15 pm
MDW
- BWI
1 stop9h 29m
Frontier
Tue 4/2112:17 pm
BWI
- MDW
1 stop8h 14m
Frontier
Deal found 3/14![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:08 pm
ORD
- BWI
1 stop16h 11m
Frontier
Tue 4/215:49 pm
BWI
- ORD
1 stop17h 13m
Frontier
Deal found 3/15![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/152:15 pm
MDW
- BWI
1 stop9h 29m
Frontier
Wed 4/2212:17 pm
BWI
- MDW
1 stop10h 57m
Frontier
Deal found 3/18![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:42 pm
ORD
- BWI
Nonstop2h 05m
Multiple Airlines
Mon 4/209:21 pm
BWI
- ORD
1 stop13h 15m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:42 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Mon 4/204:10 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 3/17![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/216:10 am
MDW
- BWI
1 stop9h 44m
Frontier
Wed 4/2212:17 pm
BWI
- MDW
1 stop8h 14m
Frontier
Deal found 3/18![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:28 am
ORD
- BWI
1 stop12h 16m
Multiple Airlines
Tue 5/59:25 pm
BWI
- ORD
1 stop14h 21m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$156
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 March 18, 2026.
Search for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 5/56:41 pm
STL
- IAD
1 stop14h 31m
Frontier
Deal found 3/18![Frontier logo]()
$76
This Mytrip deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:20 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Deal found 3/17![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2712:45 pm
ORD
- BWI
1 stop10h 14m
Spirit Airlines
Deal found 3/15![Spirit Airlines logo]()
$86
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:45 pm
ORD
- BWI
1 stop10h 14m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:15 am
ORD
- BWI
1 stop14h 42m
Frontier
Deal found 3/17![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:23 pm
STL
- IAD
1 stop27h 13m
Frontier
Deal found 3/15![Frontier logo]()
$88
This Expedia deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:36 pm
ORD
- BWI
1 stop6h 23m
Spirit Airlines
Deal found 3/16![Spirit Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:33 pm
STL
- IAD
1 stop27h 36m
Frontier
Deal found 3/14![Frontier logo]()
$89
This Expedia deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
MDW
- BWI
1 stop7h 23m
Frontier
Deal found 3/17![Frontier logo]()
$90
This Expedia deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:34 pm
ORD
- BWI
1 stop7h 10m
Frontier
Deal found 3/15![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:19 pm
STL
- PHL
1 stop8h 12m
Frontier
Deal found 3/16![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:27 pm
STL
- IAD
1 stop4h 42m
Frontier
Deal found 3/17![Frontier logo]()
$90
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 March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Priceline) |
One-way from | $76 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $300 |
Good round-trip deal | $198 or less |
Good one-way deal | $114 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 March 18, 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
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Wed 6/3
8:40 am-11:52 am
Nonstop2h 12m
Washington, D.C. Dulles Intl
Wed 6/10
10:15 pm-11:26 pm
Nonstop2h 11m
$209
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
Mon 5/11
7:40 am-10:35 am
Nonstop1h 55m
Philadelphia
Tue 5/12
5:45 pm-6:55 pm
Nonstop2h 10m
$217
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
Sat 4/25
7:40 am-10:35 am
Nonstop1h 55m
Philadelphia
Sat 5/2
3:45 pm-5:00 pm
Nonstop2h 15m
$217
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
Fri 5/1
9:00 am-4:45 pm
1 stop6h 45m
Philadelphia
Mon 5/4
11:10 am-12:20 pm
Nonstop2h 10m
$227
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
Tue 4/28
1:00 pm-3:55 pm
Nonstop1h 55m
Philadelphia
Sat 5/2
11:50 am-8:05 pm
2 stops9h 15m
$232
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Fri 4/17
11:05 am-2:16 pm
Nonstop2h 11m
Philadelphia
Fri 4/17
6:55 pm-8:23 pm
Nonstop2h 28m
$237
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Sat 5/23
10:51 am-1:57 pm
Nonstop2h 06m
Baltimore/Washington
Sat 5/23
6:20 pm-7:44 pm
Nonstop2h 24m
$239
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Sat 4/25
8:00 am-10:59 am
Nonstop1h 59m
Washington, D.C. Reagan-National
Sat 5/16
7:00 pm-8:39 pm
Nonstop2h 39m
$239
Quickest round-trip
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Mon 4/6
9:40 pm-12:25 am
Nonstop1h 45m
Baltimore/Washington
Wed 4/15
6:30 am-7:35 am
Nonstop2h 05m
$239
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 4/30
6:00 am-8:56 am
Nonstop1h 56m
Washington, D.C. Reagan-National
Mon 5/4
6:30 am-7:46 am
Nonstop2h 16m
$239
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.
ORD-BWI
MDW-BWI
STL-IAD
STL-PHL
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
ORD-BWI
MDW-BWI
STL-IAD
STL-PHL
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 $56). Flying from Illinois to Maryland in April is currently the most expensive (average of $156). 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 March 18, 2026.
It’s typically best to fly out from Illinois to Maryland at noon. Doing so could potentially save you 25% 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 March 14, 2026.
Travelers seeking maximum savings on their Illinois to Maryland flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 March 18, 2026.
The most flights from USIL to USMD are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 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 March 18, 2026.
Read through reviews of airlines operating flights from Illinois to Maryland, such as Southwest,United Airlines, andAmerican 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
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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 March 18, 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 March 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$118 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$57 | Average$162 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$114 | Average$355 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$152 | Average$390 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$157 | Average$276 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$183 | Average$361 | FlexibilityNo cancel fee | On-timeN/A |