$70+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Apr 1 — Apr 81
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 2, 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 2, 2026.
This Booking.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Thu 4/91:19 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Mon 4/138:44 pm
BWI
- ORD
1 stop25h 33m
Frontier
Deal found 2/26![Frontier logo]()
$115
This Trip.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/1412:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Tue 5/196:05 am
BWI
- ORD
1 stop5h 39m
Frontier
Deal found 2/26![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:25 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Sun 5/174:25 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/26![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Thu 4/91:19 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Sun 4/126:22 pm
BWI
- ORD
1 stop14h 55m
Frontier
Deal found 2/26![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:42 pm
ORD
- BWI
Nonstop2h 05m
Frontier
Mon 4/204:10 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/26![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/134:34 pm
ORD
- BWI
1 stop23h 20m
Frontier
Mon 4/204:10 pm
BWI
- ORD
Nonstop2h 26m
Frontier
Deal found 2/27![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 3/1. 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.
Wed 4/88:00 am
ORD
- BWI
Nonstop2h 06m
Frontier
Wed 4/156:00 am
BWI
- ORD
1 stop12h 00m
Frontier
Deal found 3/1![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/209:21 pm
BWI
- ORD
2 stops20h 39m
Frontier
Deal found 2/27![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 stop10h 57m
Frontier
Deal found 2/28![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/275:50 am
ORD
- BWI
1 stop10h 10m
Frontier
Tue 4/286:00 am
BWI
- ORD
1 stop12h 00m
Frontier
Deal found 2/26![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/306:00 am
MDW
- BWI
1 stop17h 44m
Frontier
Tue 5/59:07 am
BWI
- MDW
1 stop14h 12m
Frontier
Deal found 2/26![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/254:28 pm
ORD
- BWI
1 stop7h 16m
Frontier
Wed 4/296:00 am
BWI
- ORD
1 stop12h 00m
Frontier
Deal found 2/26![Frontier logo]()
$128
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 2, 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 2, 2026.
This United Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:01 am
ORD
- BWI
Nonstop2h 03m
United Airlines
Fri 5/158:15 pm
BWI
- ORD
Nonstop2h 29m
United Airlines
Deal found 2/25![United Airlines logo]()
$168
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/159:10 am
MDW
- BWI
Nonstop1h 50m
Southwest
Sun 4/1910:35 pm
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 2/28![Southwest logo]()
$177
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/306:38 pm
MDW
- IAD
1 stop3h 25m
Delta
Tue 5/512:37 pm
IAD
- MDW
1 stop4h 49m
Delta
Deal found 2/26![Delta logo]()
$181
This United Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:00 am
ORD
- BWI
Nonstop2h 02m
United Airlines
Fri 4/246:55 pm
BWI
- ORD
Nonstop2h 18m
United Airlines
Deal found 2/27![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/205:04 pm
ORD
- IAD
1 stop4h 59m
Delta
Mon 4/277:19 pm
IAD
- ORD
1 stop5h 40m
Delta
Deal found 2/26![Delta logo]()
$181
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:15 pm
ORD
- BWI
Nonstop2h 08m
United Airlines
Sun 4/1911:08 am
BWI
- ORD
Nonstop2h 18m
United Airlines
Deal found 2/28![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/137:30 am
MDW
- BWI
Nonstop1h 50m
Southwest
Mon 4/209:15 pm
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 2/27![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/258:15 am
ORD
- IAD
1 stop4h 50m
Delta
Mon 4/275:27 pm
IAD
- ORD
1 stop4h 58m
Delta
Deal found 2/26![Delta logo]()
$181
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:00 am
ORD
- BWI
Nonstop2h 02m
United Airlines
Thu 4/167:05 pm
BWI
- ORD
Nonstop2h 21m
United Airlines
Deal found 3/1![United Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/84:20 pm
MDW
- DCA
Nonstop1h 50m
Southwest
Wed 4/89:35 pm
DCA
- MDW
Nonstop2h 00m
Southwest
Deal found 2/25![Southwest logo]()
$198
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/199:55 pm
ORD
- PHL
Nonstop2h 04m
United Airlines
Tue 4/2110:00 am
PHL
- ORD
Nonstop2h 28m
United Airlines
Deal found 2/28![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/305:15 am
ORD
- BWI
1 stop4h 31m
Delta
Tue 5/512:27 pm
BWI
- ORD
1 stop4h 51m
Delta
Deal found 2/27![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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.
Sun 4/125:15 am
MDW
- BWI
Nonstop1h 45m
Southwest
Tue 4/143:10 pm
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 2/25![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/309:48 am
ORD
- PHL
1 stop6h 35m
Delta
Sun 5/36:00 am
PHL
- ORD
1 stop6h 34m
Delta
Deal found 2/28![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/137:30 am
MDW
- BWI
Nonstop1h 50m
Southwest
Wed 4/154:05 pm
BWI
- MDW
1 stop3h 55m
Southwest
Deal found 2/25![Southwest logo]()
$208
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/161:36 pm
ORD
- PHL
1 stop4h 42m
Delta
Sun 4/196:00 am
PHL
- ORD
1 stop5h 19m
Delta
Deal found 2/28![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:45 am
ORD
- BWI
Nonstop1h 54m
United Airlines
Sun 4/266:00 am
BWI
- ORD
Nonstop2h 21m
United Airlines
Deal found 3/1![United Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/186:10 am
MDW
- BWI
Nonstop1h 50m
Southwest
Sat 4/185:10 pm
BWI
- MDW
Nonstop2h 05m
Southwest
Deal found 2/27![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/138:05 pm
MDW
- DCA
Nonstop1h 50m
Southwest
Wed 4/157:25 am
DCA
- MDW
1 stop7h 40m
Southwest
Deal found 2/25![Southwest logo]()
$220
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 5/22:20 pm
ORD
- PHL
Nonstop2h 12m
United Airlines
Tue 5/56:10 am
PHL
- ORD
Nonstop2h 29m
United Airlines
Deal found 2/28![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/305:40 pm
ORD
- BWI
1 stop4h 21m
Delta
Fri 4/35:40 am
BWI
- ORD
1 stop4h 30m
Delta
Deal found 2/26![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:25 pm
MDW
- PHL
Nonstop2h 00m
Southwest
Wed 5/65:45 pm
PHL
- MDW
Nonstop2h 10m
Southwest
Deal found 2/26![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:55 pm
ORD
- PHL
Nonstop2h 04m
United Airlines
Wed 4/221:27 pm
PHL
- ORD
Nonstop2h 28m
United Airlines
Deal found 2/28![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/2311:00 am
ORD
- PHL
1 stop4h 37m
Delta
Sun 4/266:00 am
PHL
- ORD
1 stop5h 19m
Delta
Deal found 2/26![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/1511:30 am
MDW
- DCA
Nonstop1h 50m
Southwest
Wed 4/2211:45 am
DCA
- MDW
Nonstop2h 00m
Southwest
Deal found 2/28![Southwest logo]()
$231
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:34 pm
MDW
- IAD
1 stop3h 25m
Delta
Wed 3/256:00 am
IAD
- MDW
1 stop3h 53m
Delta
Deal found 3/1![Delta logo]()
$251
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:50 am
ORD
- IAD
Nonstop1h 59m
United Airlines
Wed 4/2910:30 pm
IAD
- ORD
Nonstop2h 13m
United Airlines
Deal found 2/26![United Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:30 am
MDW
- BWI
Nonstop1h 55m
Southwest
Mon 4/610:25 pm
BWI
- MDW
Nonstop2h 10m
Southwest
Deal found 2/28![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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.
Sun 4/196:38 pm
MDW
- IAD
1 stop3h 25m
Delta
Wed 4/226:00 am
IAD
- MDW
1 stop3h 47m
Delta
Deal found 2/27![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/102:40 pm
ORD
- BWI
1 stop6h 55m
Southwest
Sat 4/188:35 am
BWI
- ORD
2 stops7h 55m
Southwest
Deal found 2/28![Southwest logo]()
$244
Last-minute flights from Illinois to MarylandDiscover last-minute flight deals from Illinois to Maryland. Data last updated March 2, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Maryland. Data last updated March 2, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:34 pm
ORD
- BWI
Nonstop2h 09m
Frontier
Fri 3/204:28 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 2/27![Frontier logo]()
$148
This Orbitz deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Tue 3/173:28 pm
ORD
- BWI
1 stop16h 25m
Frontier
Fri 3/204:28 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 2/26![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:30 am
ORD
- BWI
1 stop9h 14m
Multiple Airlines
Fri 3/204:28 pm
BWI
- ORD
Nonstop2h 27m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$157
This Super.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Tue 3/176:00 am
MDW
- BWI
1 stop7h 24m
Frontier
Wed 3/183:19 pm
BWI
- MDW
1 stop8h 00m
Frontier
Deal found 2/26![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Wed 3/186:10 pm
ORD
- PHL
1 stop13h 29m
Multiple Airlines
Tue 3/2411:47 am
PHL
- ORD
1 stop8h 00m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$143
This Orbitz deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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.
Wed 3/184:18 pm
ORD
- BWI
1 stop23h 14m
Frontier
Tue 3/248:28 pm
BWI
- ORD
1 stop18h 30m
Frontier
Deal found 2/28![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 3/187:18 pm
ORD
- PHL
1 stop11h 49m
Frontier
Tue 3/2411:47 am
PHL
- ORD
1 stop8h 00m
Frontier
Deal found 2/27![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/2012:34 pm
ORD
- BWI
Nonstop2h 09m
Multiple Airlines
Mon 3/2310:19 am
BWI
- ORD
1 stop7h 56m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$149
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2012:34 pm
ORD
- BWI
Nonstop2h 09m
Frontier
Mon 3/234:32 pm
BWI
- ORD
Nonstop2h 27m
Frontier
Deal found 2/27![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:51 pm
ORD
- BWI
1 stop6h 50m
Frontier
Wed 4/14:55 pm
BWI
- ORD
Nonstop2h 23m
Frontier
Deal found 2/26![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:00 am
MDW
- BWI
1 stop17h 41m
Frontier
Tue 4/73:19 pm
BWI
- MDW
1 stop8h 00m
Frontier
Deal found 2/28![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:19 am
MDW
- PHL
1 stop6h 57m
Frontier
Tue 4/712:00 pm
PHL
- MDW
1 stop11h 19m
Frontier
Deal found 3/1![Frontier logo]()
$160
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 2, 2026.
Search for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated March 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:27 am
STL
- BWI
1 stop12h 14m
Frontier
Deal found 2/26![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:27 am
STL
- BWI
1 stop12h 14m
Frontier
Deal found 2/26![Frontier logo]()
$71
This Trip.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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.
Mon 4/208:23 pm
STL
- BWI
1 stop13h 59m
Frontier
Deal found 2/28![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/142:20 pm
MDW
- BWI
1 stop9h 29m
Frontier
Deal found 2/26![Frontier logo]()
$79
This Super.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Wed 4/14:34 pm
ORD
- BWI
1 stop7h 10m
Frontier
Deal found 2/26![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:00 am
MDW
- BWI
1 stop7h 24m
Frontier
Deal found 2/26![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:08 pm
ORD
- BWI
1 stop5h 36m
Frontier
Deal found 2/27![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:21 am
STL
- BWI
1 stop4h 50m
Frontier
Deal found 2/26![Frontier logo]()
$80
This Priceline deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Thu 4/96:29 pm
STL
- IAD
1 stop5h 07m
Frontier
Deal found 2/26![Frontier logo]()
$80
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/279:15 pm
MDW
- BWI
Nonstop1h 50m
Southwest
Deal found 2/27![Southwest logo]()
$81
This Super.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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.
Wed 3/412:44 pm
ORD
- BWI
1 stop9h 09m
Spirit Airlines
Deal found 2/27![Spirit Airlines logo]()
$81
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:25 pm
ORD
- IAD
Nonstop2h 03m
United Airlines
Deal found 2/26![United Airlines logo]()
$81
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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $115 (Booking.com) |
One-way from | $70 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $257 |
Good round-trip deal | $174 or less |
Good one-way deal | $98 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 2, 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
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Wed 5/13
7:01 am-10:04 am
Nonstop2h 03m
Baltimore/Washington
Fri 5/15
8:15 pm-9:44 pm
Nonstop2h 29m
$168
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Wed 4/15
9:10 am-12:00 pm
Nonstop1h 50m
Baltimore/Washington
Sun 4/19
10:35 pm-11:40 pm
Nonstop2h 05m
$177
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Mon 4/20
11:00 am-2:02 pm
Nonstop2h 02m
Baltimore/Washington
Fri 4/24
6:55 pm-8:13 pm
Nonstop2h 18m
$177
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Wed 4/15
6:15 pm-9:23 pm
Nonstop2h 08m
Baltimore/Washington
Sun 4/19
11:08 am-12:26 pm
Nonstop2h 18m
$177
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Thu 4/16
11:00 am-2:02 pm
Nonstop2h 02m
Baltimore/Washington
Thu 4/16
7:05 pm-8:26 pm
Nonstop2h 21m
$177
ChicagoPhiladelphia
ORD - PHL
ORDPHL
Chicago O'Hare Intl
Sun 4/19
9:55 pm-12:59 am
Nonstop2h 04m
Philadelphia
Tue 4/21
10:00 am-11:28 am
Nonstop2h 28m
$177
ChicagoWashington, D.C.
MDW - IAD
MDWIAD
Chicago Midway
Thu 4/30
6:38 pm-11:03 pm
1 stop3h 25m
Washington, D.C. Dulles Intl
Tue 5/5
12:37 pm-4:26 pm
1 stop4h 49m
$181
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Mon 4/20
5:04 pm-11:03 pm
1 stop4h 59m
Washington, D.C. Dulles Intl
Mon 4/27
7:19 pm-11:59 pm
1 stop5h 40m
$181
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Sat 4/25
8:15 am-2:05 pm
1 stop4h 50m
Washington, D.C. Dulles Intl
Mon 4/27
5:27 pm-9:25 pm
1 stop4h 58m
$181
ChicagoBaltimore
MDW - BWI
MDWBWI
Chicago Midway
Mon 4/13
7:30 am-10:20 am
Nonstop1h 50m
Baltimore/Washington
Mon 4/20
9:15 pm-10:20 pm
Nonstop2h 05m
$197
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
MDW-IAD
ORD-IAD
MDW-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
MDW-IAD
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 $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 March 2, 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 21, 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 March 2, 2026.
The most flights from USIL to USMD are scheduled on a Sunday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Illinois to Maryland?
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 2, 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.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Entertainment
7.5
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
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
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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 2, 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$118 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$56 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$114 | Average$354 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$148 | Average$397 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$158 | Average$278 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$183 | Average$361 | FlexibilityNo cancel fee | On-timeN/A |