$67+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Sep 7 — Sep 141
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Illinois to MarylandExplore the most affordable flight options available from Illinois to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 8, 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 August 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/1510:35 am -
1 stop6h 59m
Wed 10/289:20 pm -
1 stop13h 20m
Deal found 8/6![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/1210:35 am -
1 stop21h 22m
Sun 10/189:29 pm -
1 stop13h 11m
Deal found 8/6![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 9/142:29 pm -
1 stop7h 35m
Mon 9/216:00 am -
1 stop8h 10m
Deal found 8/3![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/319:10 pm -
1 stop13h 14m
Sun 9/65:08 pm -
Nonstop2h 31m
Deal found 8/6![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/910:35 am -
1 stop6h 59m
Wed 10/149:29 pm -
1 stop13h 11m
Deal found 8/7![Frontier logo]()
$141
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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.
Sun 9/61:03 pm -
Nonstop2h 10m
Fri 9/1110:20 am -
Nonstop2h 20m
Deal found 8/7![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/46:17 pm -
1 stop12h 09m
Fri 9/116:00 am -
1 stop8h 10m
Deal found 8/4![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/46:17 pm -
1 stop12h 09m
Sun 9/66:45 am -
1 stop11h 37m
Deal found 8/4![Frontier logo]()
$143
This Super.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:20 am -
Nonstop2h 05m
Mon 9/2810:20 am -
Nonstop2h 20m
Deal found 8/5![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/116:20 am -
Nonstop2h 05m
Wed 9/163:10 pm -
1 stop8h 49m
Deal found 8/8![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/36:17 pm -
1 stop12h 09m
Thu 9/109:25 pm -
1 stop16h 45m
Deal found 8/4![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/176:20 am -
Nonstop2h 05m
Mon 9/2110:20 am -
Nonstop2h 20m
Deal found 8/7![Frontier logo]()
$146
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 August 8, 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 August 8, 2026.
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 -
1 stop5h 48m
Sun 9/68:15 am -
1 stop5h 45m
Deal found 8/7![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 8/3. 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.
Thu 9/32:05 pm -
Nonstop1h 50m
Sun 9/62:55 pm -
Nonstop2h 00m
Deal found 8/3![Southwest logo]()
$216
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/286:04 am -
Nonstop1h 54m
Fri 10/301:15 pm -
Nonstop2h 23m
Deal found 8/6![United Airlines logo]()
$216
This Expedia deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/42:25 pm -
Nonstop2h 17m
Mon 9/76:37 pm -
Nonstop2h 28m
Deal found 8/7![Frontier logo]()
$229
This JetBlue deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/13:00 pm -
1 stop7h 07m
Sun 10/47:00 am -
1 stop7h 45m
Deal found 8/4![JetBlue logo]()
$261
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/38:05 am -
1 stop3h 15m
Sun 9/69:35 pm -
Nonstop2h 00m
Deal found 8/7![Southwest logo]()
$225
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 12/255:59 pm -
1 stop3h 54m
Thu 12/316:00 am -
1 stop4h 52m
Deal found 8/6![Delta logo]()
$236
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/38:00 am -
Nonstop2h 01m
Tue 9/88:30 am -
Nonstop2h 15m
Deal found 8/7![United Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/16:05 am -
1 stop4h 28m
Sat 9/55:47 pm -
1 stop5h 49m
Deal found 8/6![Delta logo]()
$236
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/97:00 am -
Nonstop1h 59m
Sat 9/129:30 am -
Nonstop2h 15m
Deal found 8/7![United Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/238:15 pm -
Nonstop1h 50m
Sat 9/266:40 pm -
Nonstop2h 00m
Deal found 8/7![Southwest logo]()
$255
This United Airlines deal was found by Cheapflights users on 8/3. 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 8/278:00 am -
Nonstop2h 01m
Thu 9/36:30 am -
Nonstop2h 14m
Deal found 8/3![United Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/99:25 am -
Nonstop1h 50m
Thu 9/106:30 am -
Nonstop2h 00m
Deal found 8/7![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/45:10 pm -
1 stop6h 24m
Sun 9/66:10 am -
1 stop4h 07m
Deal found 8/4![Delta logo]()
$265
This JetBlue deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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.
Fri 8/282:35 pm -
1 stop7h 57m
Sun 8/306:00 am -
1 stop8h 39m
Deal found 8/4![JetBlue logo]()
$325
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 8/3112:56 pm -
Nonstop2h 06m
Thu 9/1010:27 pm -
Nonstop2h 13m
Deal found 8/4![United Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/2312:45 pm -
Nonstop1h 45m
Sat 9/263:45 pm -
Nonstop2h 00m
Deal found 8/7![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/51:50 pm -
1 stop6h 55m
Mon 9/76:00 am -
1 stop5h 13m
Deal found 8/7![Delta logo]()
$268
This United Airlines deal was found by Cheapflights users on 8/3. 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 10/2910:32 am -
Nonstop2h 03m
Sat 11/710:25 pm -
Nonstop2h 14m
Deal found 8/3![United Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/31:00 pm -
1 stop3h 25m
Mon 9/76:30 am -
Nonstop2h 00m
Deal found 8/6![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/48:48 am -
1 stop6h 56m
Sun 9/69:00 am -
1 stop6h 20m
Deal found 8/7![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Sat 8/2912:56 pm -
Nonstop2h 06m
Mon 8/316:15 am -
Nonstop2h 15m
Deal found 8/3![United Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 8/318:15 am -
1 stop3h 10m
Thu 9/108:00 pm -
Nonstop2h 00m
Deal found 8/4![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/110:30 am -
1 stop4h 49m
Wed 9/212:23 pm -
1 stop4h 54m
Deal found 8/7![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/812:55 pm -
Nonstop2h 06m
Sat 9/125:15 pm -
Nonstop2h 22m
Deal found 8/5![United Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/117:55 pm -
Nonstop1h 55m
Sun 9/136:35 pm -
Nonstop2h 00m
Deal found 8/7![Southwest logo]()
$268
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/2912:45 pm -
1 stop4h 42m
Sat 10/3110:10 am -
1 stop6h 07m
Deal found 8/6![Delta logo]()
$275
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 10/3011:00 am -
Nonstop1h 45m
Sun 11/17:05 pm -
Nonstop2h 05m
Deal found 8/6![Southwest logo]()
$268
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/311:35 am -
1 stop6h 57m
Wed 10/79:32 am -
1 stop4h 15m
Deal found 8/4![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/56:30 am -
1 stop6h 51m
Sat 9/125:01 pm -
Nonstop2h 30m
Deal found 8/7![United Airlines logo]()
$278
Last-minute flights from Illinois to MarylandDiscover last-minute flight deals from Illinois to Maryland. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Maryland. Data last updated August 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 8/319:10 pm -
1 stop13h 14m
Sun 9/65:08 pm -
Nonstop2h 31m
Deal found 8/6![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/36:17 pm -
1 stop12h 09m
Thu 9/109:25 pm -
1 stop16h 45m
Deal found 8/4![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/46:17 pm -
1 stop12h 09m
Fri 9/116:00 am -
1 stop8h 10m
Deal found 8/4![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/46:17 pm -
1 stop12h 09m
Sun 9/66:45 am -
1 stop11h 37m
Deal found 8/4![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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.
Sun 9/61:03 pm -
Nonstop2h 10m
Fri 9/1110:20 am -
Nonstop2h 20m
Deal found 8/7![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/116:20 am -
Nonstop2h 05m
Wed 9/163:10 pm -
1 stop8h 49m
Deal found 8/8![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/116:20 am -
Nonstop2h 05m
Sat 9/196:00 am -
1 stop6h 51m
Deal found 8/5![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Mon 9/142:29 pm -
1 stop7h 35m
Mon 9/216:00 am -
1 stop8h 10m
Deal found 8/3![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/176:20 am -
Nonstop2h 05m
Mon 9/2110:20 am -
Nonstop2h 20m
Deal found 8/5![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:20 am -
Nonstop2h 05m
Sat 9/265:03 pm -
Nonstop2h 24m
Deal found 8/7![Frontier logo]()
$144
This Frontier deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/246:20 am -
Nonstop2h 05m
Mon 9/2810:20 am -
Nonstop2h 20m
Deal found 8/7![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 9/252:29 pm -
1 stop7h 35m
Sun 9/279:25 pm -
1 stop16h 45m
Deal found 8/7![Frontier logo]()
$148
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 August 8, 2026.
Search for one-way flight options from Illinois to Maryland. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This Trip.com deal was found by Cheapflights users on 8/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:29 pm -
1 stop8h 41m
Deal found 8/3![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/76:17 pm -
1 stop12h 09m
Deal found 8/4![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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 10/52:29 pm -
1 stop25h 17m
Deal found 8/7![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/36:17 pm -
1 stop28h 27m
Deal found 8/5![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 11/510:35 am -
1 stop12h 36m
Deal found 8/3![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/46:17 pm -
1 stop12h 09m
Deal found 8/3![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/252:29 pm -
1 stop17h 56m
Deal found 8/5![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” 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 9/182:29 pm -
1 stop7h 35m
Deal found 8/6![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/1610:35 am -
1 stop6h 59m
Deal found 8/4![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 10/22:29 pm -
1 stop7h 35m
Deal found 8/3![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 10/910:35 am -
1 stop6h 59m
Deal found 8/8![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” 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.
Wed 10/1410:35 am -
1 stop6h 01m
Deal found 8/7![Frontier logo]()
$83
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 August 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $136 (Kiwi.com) |
One-way from | $67 (Trip.com) |
Popular in | June |
Cheapest in | September |
Average price | $252 |
Good round-trip deal | $161 or less |
Good one-way deal | $135 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 August 8, 2026.
Use the filters below to find and compare flights from Illinois to Maryland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Sat 9/5
8:05 am-2:53 pm
1 stop5h 48m
Washington, D.C. Reagan-National
Sun 9/6
8:15 am-1:00 pm
1 stop5h 45m
$197
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Thu 9/3
2:05 pm-4:55 pm
Nonstop1h 50m
Washington, D.C. Reagan-National
Sun 9/6
2:55 pm-3:55 pm
Nonstop2h 00m
$216
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Wed 10/28
6:04 am-8:58 am
Nonstop1h 54m
Washington, D.C. Dulles Intl
Fri 10/30
1:15 pm-2:38 pm
Nonstop2h 23m
$216
ChicagoBaltimore
MDW Chicago Midway - BWI Baltimore/Washington
MDWBWI
Chicago Midway
Thu 9/3
8:05 am-12:20 pm
1 stop3h 15m
Baltimore/Washington
Sun 9/6
9:35 pm-10:35 pm
Nonstop2h 00m
$225
ChicagoBaltimore
ORD Chicago O'Hare Intl - BWI Baltimore/Washington
ORDBWI
Chicago O'Hare Intl
Fri 9/4
2:25 pm-5:42 pm
Nonstop2h 17m
Baltimore/Washington
Mon 9/7
6:37 pm-8:05 pm
Nonstop2h 28m
$229
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Fri 12/25
5:59 pm-10:53 pm
1 stop3h 54m
Washington, D.C. Reagan-National
Thu 12/31
6:00 am-9:52 am
1 stop4h 52m
$236
ChicagoWashington, D.C.
MDW Chicago Midway - IAD Washington, D.C. Dulles Intl
MDWIAD
Chicago Midway
Tue 9/1
6:05 am-11:33 am
1 stop4h 28m
Washington, D.C. Dulles Intl
Sat 9/5
5:47 pm-10:36 pm
1 stop5h 49m
$236
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Thu 9/3
8:00 am-11:01 am
Nonstop2h 01m
Washington, D.C. Reagan-National
Tue 9/8
8:30 am-9:45 am
Nonstop2h 15m
$255
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Wed 9/9
7:00 am-9:59 am
Nonstop1h 59m
Washington, D.C. Reagan-National
Sat 9/12
9:30 am-10:45 am
Nonstop2h 15m
$255
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Wed 9/23
8:15 pm-11:05 pm
Nonstop1h 50m
Washington, D.C. Reagan-National
Sat 9/26
6:40 pm-7:40 pm
Nonstop2h 00m
$255
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.
STL-IAD
STL-BWI
MDW-BWI
MDW-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
STL-IAD
STL-BWI
MDW-BWI
MDW-IAD
What is the cheapest month to book a flight from Illinois to Maryland?
Currently, September is the cheapest month in which you can book a flight from Illinois to Maryland (average of $182). Flying from Illinois to Maryland in July is currently the most expensive (average of $368). 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 August 8, 2026.
It’s typically best to fly out from Illinois to Maryland at noon. Doing so could potentially save you 29% on the flight price compared to flying in the evening, which is usually more expensive.
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 August 8, 2026.
The most flights from USIL to USMD are scheduled on a Thursday (24 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Illinois to Maryland?
Airfare is below average for this route at the moment.
Illinois to Maryland flights typically cost between $151 and $361 in August.The cheapest round-trip price found within the last 5 days was $141 on Frontier (Aug 31-Sep 6).
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 12 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 August 8, 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. Monday 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 August 8, 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.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJoseph,Sep 2023
LAX - BWI
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
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 August 8, 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 August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$165 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$122 | Average$280 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$149 | Average$360 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$422 | FlexibilityNo cancel fee | On-timeN/A |