$65+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
3月 21 — 3月 281
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 2月 19, 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 2月 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
週三 4/18:00 am
ORD
- BWI
Nonstop2h 06m
Frontier
週三 4/84:55 pm
BWI
- ORD
Nonstop2h 23m
Frontier
Deal found 2/18![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 2/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 5/112:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
週一 5/44:25 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/17![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
週一 3/912:38 pm
ORD
- BWI
Nonstop2h 09m
Frontier
週二 3/103:19 pm
BWI
- ORD
1 stop18h 04m
Frontier
Deal found 2/16![Frontier logo]()
$108
This Booking.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 3/55:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
週三 3/114:28 pm
BWI
- ORD
1 stop8h 10m
Frontier
Deal found 2/16![Frontier logo]()
$110
This Orbitz deal was found by Cheapflights users on 2/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 5/712:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
週一 5/114:25 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/16![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
週三 5/61:27 pm
ORD
- BWI
1 stop18h 16m
Frontier
週四 5/144:25 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/16![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 2/15. 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.
週六 4/181:27 pm
ORD
- PHL
1 stop8h 43m
Frontier
週四 4/306:34 pm
PHL
- ORD
Nonstop2h 34m
Frontier
Deal found 2/15![Frontier logo]()
$112
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 4/1712:42 pm
ORD
- BWI
Nonstop2h 05m
Frontier
週日 4/196:05 am
BWI
- ORD
1 stop6h 32m
Frontier
Deal found 2/18![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 2/16. 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.
週四 4/162:20 pm
ORD
- PHL
Nonstop2h 14m
Frontier
週一 4/205:05 am
PHL
- ORD
1 stop6h 39m
Frontier
Deal found 2/16![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 4/302:20 pm
ORD
- PHL
Nonstop2h 14m
Frontier
週日 5/36:34 pm
PHL
- ORD
Nonstop2h 34m
Frontier
Deal found 2/16![Frontier logo]()
$115
This Orbitz deal was found by Cheapflights users on 2/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 3/55:15 am
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
週日 3/812:30 pm
BWI
- ORD
1 stop9h 43m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$116
This Super.com deal was found by Cheapflights users on 2/18. 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.
週一 4/272:20 pm
ORD
- PHL
Nonstop2h 14m
Frontier
週一 5/46:34 pm
PHL
- ORD
Nonstop2h 34m
Frontier
Deal found 2/18![Frontier logo]()
$116
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 2月 19, 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 2月 19, 2026.
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週六 4/182:20 pm
ORD
- PHL
Nonstop2h 12m
United Airlines
週四 4/308:20 pm
PHL
- ORD
Nonstop2h 28m
United Airlines
Deal found 2/15![United Airlines logo]()
$140
This Frontier deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週六 4/185:50 am
ORD
- BWI
1 stop10h 08m
Frontier
週一 4/2012:43 pm
BWI
- ORD
1 stop13h 26m
Frontier
Deal found 2/19![Frontier logo]()
$160
This Southwest deal was found by Cheapflights users on 2/15. 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.
週五 5/19:15 pm
MDW
- BWI
Nonstop1h 50m
Southwest
週一 5/46:05 am
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 2/15![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週二 4/1412:52 pm
MDW
- PHL
1 stop4h 31m
Delta
週日 4/195:30 am
PHL
- MDW
1 stop5h 26m
Delta
Deal found 2/19![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
週二 3/1012:44 pm
ORD
- BWI
1 stop9h 09m
Multiple Airlines
週日 3/159:43 pm
BWI
- ORD
2 stops20h 13m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$213
This Frontier deal was found by Cheapflights users on 2/16. 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.
週一 4/278:13 pm
STL
- BWI
1 stop10h 59m
Frontier
週二 5/55:35 pm
BWI
- STL
1 stop6h 44m
Frontier
Deal found 2/16![Frontier logo]()
$160
This Southwest deal was found by Cheapflights users on 2/16. 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.
週日 5/105:15 am
MDW
- BWI
Nonstop1h 45m
Southwest
週一 5/186:05 am
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 2/16![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 5/12:25 pm
ORD
- BWI
Nonstop2h 03m
United Airlines
週日 5/36:15 am
BWI
- ORD
Nonstop2h 21m
United Airlines
Deal found 2/18![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週五 5/83:25 pm
MDW
- PHL
Nonstop2h 00m
Southwest
週日 5/107:05 pm
PHL
- MDW
Nonstop2h 20m
Southwest
Deal found 2/19![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/17. 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.
週三 4/227:00 am
ORD
- BWI
Nonstop2h 02m
United Airlines
週五 4/246:00 am
BWI
- ORD
Nonstop2h 21m
United Airlines
Deal found 2/17![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/16. 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.
週六 5/26:25 am
ORD
- PHL
1 stop6h 04m
Delta
週六 5/25:32 pm
PHL
- ORD
1 stop4h 08m
Delta
Deal found 2/16![Delta logo]()
$197
This Orbitz deal was found by Cheapflights users on 2/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 4/298:13 pm
STL
- BWI
1 stop10h 59m
Frontier
週六 5/25:35 pm
BWI
- STL
1 stop6h 44m
Frontier
Deal found 2/18![Frontier logo]()
$181
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週二 5/127:55 am
MDW
- PHL
Nonstop1h 55m
Southwest
週二 5/125:45 pm
PHL
- MDW
Nonstop2h 10m
Southwest
Deal found 2/19![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/16. 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.
週五 4/247:00 am
ORD
- BWI
Nonstop2h 02m
United Airlines
週六 4/2511:08 am
BWI
- ORD
Nonstop2h 18m
United Airlines
Deal found 2/16![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/16. 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.
週五 4/245:04 pm
ORD
- PHL
1 stop4h 46m
Delta
週日 4/265:30 am
PHL
- ORD
1 stop5h 39m
Delta
Deal found 2/16![Delta logo]()
$197
This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 5/158:13 pm
STL
- BWI
1 stop10h 59m
Frontier
週日 5/176:05 am
BWI
- STL
1 stop5h 25m
Frontier
Deal found 2/18![Frontier logo]()
$181
This Southwest deal was found by Cheapflights users on 2/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 4/246:45 pm
MDW
- PHL
Nonstop2h 00m
Southwest
週一 4/272:15 pm
PHL
- MDW
Nonstop2h 10m
Southwest
Deal found 2/18![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/17. 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.
週三 5/132:25 pm
ORD
- BWI
Nonstop2h 03m
United Airlines
週日 5/176:15 am
BWI
- ORD
Nonstop2h 21m
United Airlines
Deal found 2/17![United Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
週二 4/214:55 pm
STL
- BWI
1 stop22h 45m
Frontier
週五 4/247:34 pm
BWI
- STL
1 stop12h 16m
Frontier
Deal found 2/16![Frontier logo]()
$182
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 4/296:15 pm
ORD
- BWI
Nonstop2h 08m
United Airlines
週一 5/46:15 am
BWI
- ORD
Nonstop2h 21m
United Airlines
Deal found 2/15![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週六 4/116:34 pm
MDW
- PHL
1 stop3h 26m
Delta
週三 4/1510:31 am
PHL
- MDW
1 stop6h 58m
Delta
Deal found 2/19![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 2/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 4/227:40 am
MDW
- BWI
1 stop4h 05m
Southwest
週六 4/257:30 pm
BWI
- MDW
Nonstop2h 10m
Southwest
Deal found 2/18![Southwest logo]()
$193
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 4/226:15 pm
ORD
- BWI
Nonstop2h 08m
United Airlines
週六 4/253:42 pm
BWI
- ORD
Nonstop2h 18m
United Airlines
Deal found 2/18![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週二 3/175:50 pm
ORD
- DCA
1 stop4h 15m
Delta
週三 3/256:00 am
DCA
- ORD
1 stop4h 10m
Delta
Deal found 2/19![Delta logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週四 4/168:06 pm
STL
- BWI
2 stops14h 30m
Multiple Airlines
週四 4/234:47 pm
BWI
- STL
1 stop7h 32m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週三 5/137:15 am
ORD
- PHL
Nonstop2h 14m
United Airlines
週三 5/136:34 pm
PHL
- ORD
Nonstop2h 28m
United Airlines
Deal found 2/19![United Airlines logo]()
$177
This Frontier deal was found by Cheapflights users on 2/16. 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.
週四 4/26:00 am
MDW
- IAD
1 stop9h 39m
Frontier
週四 4/95:34 pm
IAD
- MDW
1 stop5h 47m
Frontier
Deal found 2/16![Frontier logo]()
$216
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 3/186:34 pm
MDW
- DCA
1 stop3h 17m
Delta
週二 3/246:00 am
DCA
- MDW
1 stop4h 56m
Delta
Deal found 2/18![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 2/15. 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.
週六 4/189:10 am
MDW
- PHL
1 stop5h 35m
Southwest
週四 4/302:15 pm
PHL
- MDW
Nonstop2h 10m
Southwest
Deal found 2/15![Southwest logo]()
$205
This United Airlines deal was found by Cheapflights users on 2/17. 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.
週六 5/1611:05 am
ORD
- PHL
Nonstop2h 11m
United Airlines
週三 5/2011:32 am
PHL
- ORD
Nonstop2h 29m
United Airlines
Deal found 2/17![United Airlines logo]()
$177
Last-minute flights from Illinois to MarylandDiscover last-minute flight deals from Illinois to Maryland. Data last updated 2月 19, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Maryland. Data last updated 2月 19, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 2/15. 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.
週四 2/265:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
週一 3/22:58 pm
BWI
- ORD
1 stop9h 17m
Frontier
Deal found 2/15![Frontier logo]()
$113
This Gotogate deal was found by Cheapflights users on 2/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 3/38:16 pm
ORD
- BWI
1 stop11h 50m
Multiple Airlines
週四 3/59:19 am
BWI
- ORD
Nonstop2h 27m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$129
This Booking.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 3/55:15 am
ORD
- BWI
Nonstop2h 09m
Frontier
週三 3/114:28 pm
BWI
- ORD
1 stop8h 10m
Frontier
Deal found 2/16![Frontier logo]()
$110
This Orbitz deal was found by Cheapflights users on 2/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 3/55:15 am
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
週日 3/812:30 pm
BWI
- ORD
1 stop9h 43m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$116
This Booking.com deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週四 3/55:15 am
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
週四 3/511:30 am
BWI
- ORD
1 stop7h 16m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
週一 3/912:38 pm
ORD
- BWI
Nonstop2h 09m
Frontier
週二 3/103:19 pm
BWI
- ORD
1 stop18h 04m
Frontier
Deal found 2/16![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
週二 3/109:28 am
ORD
- BWI
1 stop14h 13m
Frontier
週一 3/164:32 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 2/16![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 3/118:15 am
ORD
- BWI
1 stop6h 18m
Frontier
週一 3/164:32 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 2/18![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
週三 3/1111:32 am
STL
- BWI
1 stop12h 09m
Frontier
週三 3/186:05 am
BWI
- STL
1 stop5h 32m
Frontier
Deal found 2/18![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
週四 3/127:17 am
ORD
- BWI
1 stop10h 28m
Multiple Airlines
週一 3/164:32 pm
BWI
- ORD
Nonstop2h 27m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$132
This Super.com deal was found by Cheapflights users on 2/18. 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.
週五 3/1312:34 pm
ORD
- BWI
Nonstop2h 09m
Frontier
週一 3/164:32 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 2/18![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週二 3/3111:27 am
STL
- BWI
1 stop12h 14m
Frontier
週二 4/76:05 am
BWI
- STL
1 stop5h 25m
Frontier
Deal found 2/19![Frontier logo]()
$136
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 2月 19, 2026.
Search for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated 2月 19, 2026.
This Trip.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週二 3/2411:27 am
STL
- BWI
1 stop12h 14m
Frontier
Deal found 2/19![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
週一 4/2712:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Deal found 2/17![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週二 3/3111:27 am
STL
- BWI
1 stop12h 14m
Frontier
Deal found 2/19![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” 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.
週三 4/158:23 pm
STL
- BWI
1 stop10h 39m
Frontier
Deal found 2/19![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
週三 3/1111:32 am
STL
- IAD
1 stop11h 59m
Frontier
Deal found 2/16![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
週三 3/119:28 am
ORD
- BWI
1 stop14h 13m
Frontier
Deal found 2/17![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
週三 3/1111:32 am
STL
- BWI
1 stop12h 09m
Frontier
Deal found 2/18![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
週五 4/36:15 am
ORD
- BWI
Nonstop2h 06m
Frontier
Deal found 2/17![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
週六 5/161:40 pm
ORD
- IAD
1 stop9h 56m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$73
This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 4/106:15 am
ORD
- BWI
Nonstop2h 06m
Frontier
Deal found 2/18![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
週三 4/151:40 pm
ORD
- BWI
1 stop17h 32m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$76
This Mytrip deal was found by Cheapflights users on 2/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 4/157:06 am
ORD
- PHL
1 stop15h 53m
Spirit Airlines
Deal found 2/16![Spirit Airlines logo]()
$76
Find flight deals from Illinois to Maryland
Keep the following information in mind while searching for Illinois to Maryland flight deals. Data was last updated 2月 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $103 (Kiwi.com) |
One-way from | $65 (Trip.com) |
Popular in | November |
Cheapest in | August |
Average price | $291 |
Good round-trip deal | $158 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 2月 19, 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
週六 4/18
2:20 pm-5:32 pm
Nonstop2h 12m
Philadelphia
週四 4/30
8:20 pm-9:48 pm
Nonstop2h 28m
$140
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
週六 4/18
5:50 am-4:58 pm
1 stop10h 08m
Baltimore/Washington
週一 4/20
12:43 pm-1:09 am
1 stop13h 26m
$160
St. LouisBaltimore
STL - BWI
STLBWI
Lambert-St Louis
週一 4/27
8:13 pm-8:12 am
1 stop10h 59m
Baltimore/Washington
週二 5/5
5:35 pm-11:19 pm
1 stop6h 44m
$160
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
週五 5/1
9:15 pm-12:05 am
Nonstop1h 50m
Baltimore/Washington
週一 5/4
6:05 am-7:10 am
Nonstop2h 05m
$177
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
週日 5/10
5:15 am-8:00 am
Nonstop1h 45m
Baltimore/Washington
週一 5/18
6:05 am-7:10 am
Nonstop2h 05m
$177
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
週五 5/1
2:25 pm-5:28 pm
Nonstop2h 03m
Baltimore/Washington
週日 5/3
6:15 am-7:36 am
Nonstop2h 21m
$177
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
週五 5/8
3:25 pm-6:25 pm
Nonstop2h 00m
Philadelphia
週日 5/10
7:05 pm-8:25 pm
Nonstop2h 20m
$177
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
週三 4/22
7:00 am-10:02 am
Nonstop2h 02m
Baltimore/Washington
週五 4/24
6:00 am-7:21 am
Nonstop2h 21m
$177
ChicagoPhiladelphia
MDW - PHL
MDWPHL
Chicago Midway
週二 5/12
7:55 am-10:50 am
Nonstop1h 55m
Philadelphia
週二 5/12
5:45 pm-6:55 pm
Nonstop2h 10m
$177
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
週五 4/24
7:00 am-10:02 am
Nonstop2h 02m
Baltimore/Washington
週六 4/25
11:08 am-12:26 pm
Nonstop2h 18m
$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-PHL
ORD-BWI
MDW-BWI
MDW-PHL
STL-BWI
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
ORD-BWI
MDW-BWI
MDW-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 $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 2月 19, 2026.
It’s typically best to fly out from Illinois to Maryland at noon. Doing so could potentially save you 22% 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 17, 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 2月 19, 2026.
The most flights from USIL to USMD are scheduled on a Thursday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 2月 19, 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
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
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 2月 19, 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 2月 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$118 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$57 | Average$161 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$114 | Average$354 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$148 | Average$438 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$158 | Average$279 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$183 | Average$361 | FlexibilityNo cancel fee | On-timeN/A |