$68+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Aug 3 — Aug 101
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 July 4, 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 July 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:52 pm
ORD
- PHL
Nonstop2h 23m
Multiple Airlines
Mon 8/176:33 pm
PHL
- ORD
2 stops19h 17m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:50 pm
ORD
- PHL
1 stop7h 43m
Frontier
Mon 8/106:11 pm
PHL
- ORD
Nonstop2h 42m
Frontier
Deal found 7/1![Frontier logo]()
$207
This Trip.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:59 pm
ORD
- PHL
1 stop7h 34m
Frontier
Mon 8/316:00 am
PHL
- ORD
Nonstop2h 29m
Frontier
Deal found 7/1![Frontier logo]()
$208
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:52 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Sat 7/256:05 pm
PHL
- ORD
Nonstop2h 42m
Frontier
Deal found 7/1![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:52 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Mon 8/106:11 pm
PHL
- ORD
Nonstop2h 42m
Frontier
Deal found 7/1![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:52 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Sun 8/98:30 am
PHL
- ORD
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$211
This Mytrip deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Thu 8/68:52 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Mon 8/105:20 am
PHL
- ORD
1 stop18h 50m
Frontier
Deal found 7/3![Frontier logo]()
$215
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:58 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Thu 7/96:05 pm
PHL
- ORD
Nonstop2h 42m
Frontier
Deal found 7/1![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/38:00 pm
ORD
- PHL
Nonstop2h 32m
Frontier
Sat 7/48:30 am
PHL
- ORD
1 stop12h 20m
Frontier
Deal found 7/2![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:05 am
ORD
- IAD
1 stop10h 33m
Frontier
Fri 8/78:33 pm
IAD
- ORD
1 stop12h 29m
Frontier
Deal found 7/1![Frontier logo]()
$233
This Expedia deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:50 pm
ORD
- IAD
1 stop8h 02m
Frontier
Sat 8/151:21 pm
IAD
- ORD
1 stop10h 49m
Frontier
Deal found 7/1![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2212:11 pm
MDW
- PHL
1 stop18h 04m
Frontier
Tue 8/44:30 pm
PHL
- MDW
1 stop6h 33m
Frontier
Deal found 7/2![Frontier logo]()
$235
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 July 4, 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 July 4, 2026.
This JetBlue deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:01 am
ORD
- PHL
1 stop8h 00m
JetBlue
Wed 9/910:45 am
PHL
- ORD
1 stop9h 37m
JetBlue
Deal found 7/2![JetBlue logo]()
$219
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:35 am
MDW
- DCA
1 stop4h 00m
Southwest
Sat 8/226:00 am
DCA
- MDW
2 stops8h 20m
Southwest
Deal found 7/1![Southwest logo]()
$236
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:48 am
ORD
- DCA
1 stop6h 46m
Delta
Sat 8/81:50 pm
DCA
- ORD
1 stop6h 09m
Delta
Deal found 7/1![Delta logo]()
$238
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:40 pm
ORD
- IAD
Nonstop2h 05m
United Airlines
Tue 8/113:40 pm
IAD
- ORD
Nonstop2h 19m
United Airlines
Deal found 6/30![United Airlines logo]()
$243
This Sun Country Air deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:24 pm
ORD
- PHL
1 stop20h 56m
Sun Country Air
Mon 7/2712:16 pm
PHL
- ORD
1 stop24h 08m
Sun Country Air
Deal found 7/1![Sun Country Air logo]()
$415
This JetBlue deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:38 am
ORD
- PHL
1 stop7h 26m
JetBlue
Mon 9/1410:45 am
PHL
- ORD
1 stop9h 37m
JetBlue
Deal found 7/2![JetBlue logo]()
$219
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:00 am
ORD
- IAD
1 stop4h 49m
Delta
Sat 8/82:54 pm
IAD
- ORD
1 stop7h 01m
Delta
Deal found 6/29![Delta logo]()
$238
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/277:00 am
ORD
- DCA
Nonstop1h 59m
United Airlines
Mon 8/318:30 am
DCA
- ORD
Nonstop2h 15m
United Airlines
Deal found 7/2![United Airlines logo]()
$245
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:45 am
MDW
- BWI
1 stop3h 35m
Southwest
Wed 7/228:30 pm
BWI
- MDW
Nonstop2h 10m
Southwest
Deal found 6/30![Southwest logo]()
$249
This JetBlue deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:01 am
ORD
- DCA
1 stop7h 04m
JetBlue
Mon 8/241:25 pm
DCA
- ORD
1 stop7h 02m
JetBlue
Deal found 7/2![JetBlue logo]()
$248
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:30 am
MDW
- BWI
Nonstop1h 45m
Southwest
Sat 8/1510:50 am
BWI
- MDW
1 stop3h 15m
Southwest
Deal found 6/29![Southwest logo]()
$249
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:40 am
ORD
- BWI
1 stop5h 25m
Delta
Mon 8/242:18 pm
BWI
- ORD
1 stop5h 31m
Delta
Deal found 6/29![Delta logo]()
$249
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/106:30 am
ORD
- BWI
Nonstop1h 57m
United Airlines
Mon 8/105:32 pm
BWI
- ORD
Nonstop2h 23m
United Airlines
Deal found 7/3![United Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/69:00 am
MDW
- BWI
Nonstop1h 55m
Southwest
Mon 8/108:25 am
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 7/2![Southwest logo]()
$251
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/137:00 am
ORD
- BWI
Nonstop2h 09m
United Airlines
Thu 8/135:40 pm
BWI
- ORD
Nonstop2h 20m
United Airlines
Deal found 7/3![United Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/119:24 am
MDW
- IAD
1 stop6h 14m
Delta
Thu 8/136:10 am
IAD
- MDW
1 stop4h 07m
Delta
Deal found 7/2![Delta logo]()
$257
This JetBlue deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:49 pm
ORD
- DCA
1 stop7h 01m
JetBlue
Mon 9/71:25 pm
DCA
- ORD
1 stop7h 00m
JetBlue
Deal found 6/30![JetBlue logo]()
$263
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:55 pm
MDW
- BWI
Nonstop1h 50m
Southwest
Thu 8/275:20 pm
BWI
- MDW
Nonstop1h 55m
Southwest
Deal found 6/29![Southwest logo]()
$251
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/212:30 pm
ORD
- PHL
Nonstop2h 22m
United Airlines
Sat 7/257:00 pm
PHL
- ORD
Nonstop2h 34m
United Airlines
Deal found 6/30![United Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:05 am
ORD
- BWI
1 stop6h 40m
Delta
Mon 9/77:00 am
BWI
- ORD
1 stop6h 40m
Delta
Deal found 6/30![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/189:25 am
MDW
- BWI
Nonstop1h 50m
Southwest
Tue 8/258:00 am
BWI
- MDW
Nonstop2h 00m
Southwest
Deal found 7/3![Southwest logo]()
$251
This JetBlue deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:01 am
ORD
- DCA
1 stop7h 08m
JetBlue
Sun 9/62:00 pm
DCA
- ORD
1 stop6h 25m
JetBlue
Deal found 6/29![JetBlue logo]()
$279
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:00 am
ORD
- BWI
Nonstop2h 09m
United Airlines
Sat 8/295:40 pm
BWI
- ORD
Nonstop2h 20m
United Airlines
Deal found 6/29![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:50 pm
ORD
- BWI
1 stop6h 37m
Delta
Wed 9/2312:02 pm
BWI
- ORD
1 stop5h 28m
Delta
Deal found 7/1![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/1010:30 am
MDW
- BWI
Nonstop1h 45m
Southwest
Mon 8/103:15 pm
BWI
- MDW
Nonstop2h 00m
Southwest
Deal found 7/3![Southwest logo]()
$251
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 10/62:30 pm
ORD
- BWI
Nonstop2h 13m
United Airlines
Sat 10/1012:10 pm
BWI
- ORD
Nonstop2h 20m
United Airlines
Deal found 7/2![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:30 am
ORD
- IAD
1 stop5h 07m
Delta
Sat 8/82:54 pm
IAD
- ORD
1 stop5h 05m
Delta
Deal found 6/29![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/209:00 am
MDW
- BWI
Nonstop1h 55m
Southwest
Mon 8/245:20 pm
BWI
- MDW
Nonstop1h 55m
Southwest
Deal found 7/2![Southwest logo]()
$251
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 10/77:45 pm
ORD
- BWI
Nonstop2h 14m
United Airlines
Sat 10/106:51 pm
BWI
- ORD
Nonstop2h 19m
United Airlines
Deal found 7/2![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/245:10 pm
ORD
- DCA
1 stop4h 54m
Delta
Mon 9/2810:10 am
DCA
- ORD
1 stop5h 19m
Delta
Deal found 7/3![Delta logo]()
$265
Last-minute flights from Illinois to MarylandDiscover last-minute flight deals from Illinois to Maryland. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Maryland. Data last updated July 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/38:00 pm
ORD
- PHL
Nonstop2h 32m
Frontier
Sat 7/48:30 am
PHL
- ORD
1 stop12h 20m
Frontier
Deal found 7/2![Frontier logo]()
$217
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:58 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Thu 7/96:05 pm
PHL
- ORD
Nonstop2h 42m
Frontier
Deal found 7/1![Frontier logo]()
$216
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:52 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Sat 7/256:05 pm
PHL
- ORD
Nonstop2h 42m
Frontier
Deal found 7/1![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2212:11 pm
MDW
- PHL
1 stop18h 04m
Frontier
Tue 8/44:30 pm
PHL
- MDW
1 stop6h 33m
Frontier
Deal found 7/2![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:52 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Mon 8/106:11 pm
PHL
- ORD
Nonstop2h 42m
Frontier
Deal found 7/1![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:50 pm
ORD
- PHL
1 stop7h 43m
Frontier
Mon 8/106:11 pm
PHL
- ORD
Nonstop2h 42m
Frontier
Deal found 7/1![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:05 am
ORD
- IAD
1 stop10h 33m
Frontier
Fri 8/78:33 pm
IAD
- ORD
1 stop12h 29m
Frontier
Deal found 7/1![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:52 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Sun 8/98:30 am
PHL
- ORD
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$211
This Mytrip deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Thu 8/68:52 pm
ORD
- PHL
Nonstop2h 23m
Frontier
Mon 8/105:20 am
PHL
- ORD
1 stop18h 50m
Frontier
Deal found 7/3![Frontier logo]()
$215
This Expedia deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:50 pm
ORD
- IAD
1 stop8h 02m
Frontier
Sat 8/151:21 pm
IAD
- ORD
1 stop10h 49m
Frontier
Deal found 7/1![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:52 pm
ORD
- PHL
Nonstop2h 23m
Multiple Airlines
Mon 8/176:33 pm
PHL
- ORD
2 stops19h 17m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$206
This Trip.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:59 pm
ORD
- PHL
1 stop7h 34m
Frontier
Mon 8/316:00 am
PHL
- ORD
Nonstop2h 29m
Frontier
Deal found 7/1![Frontier logo]()
$208
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 July 4, 2026.
Search for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:34 pm
STL
- PHL
1 stop11h 41m
Frontier
Deal found 7/1![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/286:34 pm
STL
- PHL
1 stop11h 41m
Frontier
Deal found 7/2![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/316:17 pm
STL
- PHL
1 stop17h 09m
Frontier
Deal found 7/2![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:34 pm
STL
- PHL
1 stop11h 41m
Frontier
Deal found 7/1![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:35 am
STL
- PHL
1 stop11h 36m
Frontier
Deal found 7/2![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/286:34 pm
STL
- IAD
1 stop21h 40m
Frontier
Deal found 7/3![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:17 pm
STL
- PHL
1 stop11h 58m
Frontier
Deal found 7/1![Frontier logo]()
$77
This WAYA deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:57 pm
STL
- IAD
1 stop4h 55m
Frontier
Deal found 7/1![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:57 pm
STL
- PHL
1 stop13h 18m
Frontier
Deal found 7/2![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:57 pm
STL
- PHL
1 stop13h 18m
Frontier
Deal found 7/2![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/294:57 pm
STL
- PHL
1 stop28h 31m
Frontier
Deal found 7/2![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/276:17 pm
STL
- PHL
1 stop11h 58m
Frontier
Deal found 7/2![Frontier logo]()
$82
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 July 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $206 (Kiwi.com) |
One-way from | $68 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $264 |
Good round-trip deal | $297 or less |
Good one-way deal | $188 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 July 4, 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
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Wed 9/2
11:01 am-8:01 pm
1 stop8h 00m
Philadelphia
Wed 9/9
10:45 am-7:22 pm
1 stop9h 37m
$219
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Sat 9/12
9:38 am-6:04 pm
1 stop7h 26m
Philadelphia
Mon 9/14
10:45 am-7:22 pm
1 stop9h 37m
$219
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
Sat 8/15
6:35 am-11:35 am
1 stop4h 00m
Washington, D.C. Reagan-National
Sat 8/22
6:00 am-1:20 pm
2 stops8h 20m
$236
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Wed 8/5
8:48 am-4:34 pm
1 stop6h 46m
Washington, D.C. Reagan-National
Sat 8/8
1:50 pm-6:59 pm
1 stop6h 09m
$238
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Sat 7/25
6:00 am-11:49 am
1 stop4h 49m
Washington, D.C. Dulles Intl
Sat 8/8
2:54 pm-8:55 pm
1 stop7h 01m
$238
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Fri 8/7
9:40 pm-12:45 am
Nonstop2h 05m
Washington, D.C. Dulles Intl
Tue 8/11
3:40 pm-4:59 pm
Nonstop2h 19m
$243
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 8/27
7:00 am-9:59 am
Nonstop1h 59m
Washington, D.C. Reagan-National
Mon 8/31
8:30 am-9:45 am
Nonstop2h 15m
$245
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 8/20
11:01 am-7:05 pm
1 stop7h 04m
Washington, D.C. Reagan-National
Mon 8/24
1:25 pm-7:27 pm
1 stop7h 02m
$248
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Mon 7/20
7:45 am-12:20 pm
1 stop3h 35m
Baltimore/Washington
Wed 7/22
8:30 pm-9:40 pm
Nonstop2h 10m
$249
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Fri 8/14
10:30 am-1:15 pm
Nonstop1h 45m
Baltimore/Washington
Sat 8/15
10:50 am-1:05 pm
1 stop3h 15m
$249
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-PHL
MDW-DCA
ORD-DCA
ORD-IAD
MDW-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
MDW-DCA
ORD-DCA
ORD-IAD
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 $27). Flying from Illinois to Maryland in October is currently the most expensive (average of $515). 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 July 4, 2026.
It’s typically best to fly out from Illinois to Maryland at noon. Doing so could potentially save you 28% on the flight price compared to flying in the evening, which is usually more expensive.
How much does it cost to fly round-trip from Illinois to Maryland?
How far ahead should I book a flight from Illinois to Maryland?
To ensure you get the cheapest price possible for a flight from Illinois to Maryland, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Maryland?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Maryland. Price data was last updated on June 27, 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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Maryland
Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated July 4, 2026.
Read through reviews of airlines operating flights from Illinois to Maryland, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Entertainment
7.5
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Related info for your journey
Find useful and relevant information for your journey from Illinois to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Maryland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Maryland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Maryland by cabin class
Find flights from Illinois to Maryland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Maryland flights
Browse other Illinois and Maryland flight options. Last updated on July 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Maryland
Find the right flight back to Illinois after your stay in Maryland
Illinois to Maryland flights
Consider these flights traveling from Illinois to Maryland.
Top 5 airlines flying from Illinois to Maryland
Discover the top 5 airlines that operate flights from Illinois to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$162 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$385 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$149 | Average$359 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$274 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$293 | Average$344 | FlexibilityNo cancel fee | On-timeN/A |