$103+ Cheap flights from Maryland to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ORD
Dec 3 — Dec 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Maryland to Illinois with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maryland to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Maryland to IllinoisExplore the most affordable flight options available from Maryland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
Explore the most affordable flight options available from Maryland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
This Frontier deal was found by Cheapflights users on 11/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:29 pm -
Nonstop2h 28m
Fri 11/277:49 am -
1 stop8h 56m
Deal found 11/3![Frontier logo]()
$193
This Orbitz deal was found by Cheapflights users on 11/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:29 pm -
Nonstop2h 28m
Tue 11/246:20 am -
1 stop27h 07m
Deal found 11/3![Frontier logo]()
$194
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop11h 06m
Fri 12/115:02 pm -
1 stop5h 02m
Deal found 11/3![Frontier logo]()
$195
This Frontier deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/199:53 am -
Nonstop2h 30m
Mon 11/237:49 am -
1 stop8h 56m
Deal found 10/31![Frontier logo]()
$195
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:41 am -
1 stop8h 49m
Thu 11/196:00 am -
Nonstop1h 57m
Deal found 11/2![Frontier logo]()
$196
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:54 pm -
1 stop8h 40m
Sat 12/54:00 pm -
1 stop5h 41m
Deal found 11/2![Frontier logo]()
$197
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:00 am -
1 stop6h 33m
Sat 12/198:35 pm -
1 stop12h 22m
Deal found 11/3![Frontier logo]()
$198
This Super.com deal was found by Cheapflights users on 11/1. 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 11/216:40 pm -
1 stop5h 38m
Fri 11/272:52 pm -
Nonstop2h 10m
Deal found 11/1![Frontier logo]()
$198
This Southwest deal was found by Cheapflights users on 11/2. 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.
Wed 12/28:15 pm -
Nonstop2h 15m
Wed 12/912:50 pm -
Nonstop1h 40m
Deal found 11/2![Southwest logo]()
$199
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/26:10 am -
Nonstop2h 21m
Wed 12/96:50 am -
Nonstop1h 54m
Deal found 11/2![United Airlines logo]()
$199
This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:00 am -
1 stop6h 33m
Tue 12/1512:28 pm -
1 stop9h 13m
Deal found 10/31![Frontier logo]()
$200
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:26 pm -
Nonstop2h 24m
Mon 12/281:10 pm -
Nonstop2h 03m
Deal found 11/2![Frontier logo]()
$200
Best flights from Maryland to IllinoisDiscover carefully curated flight deals from Maryland to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
Discover carefully curated flight deals from Maryland to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/36:10 am -
Nonstop2h 20m
Tue 12/86:25 pm -
Nonstop2h 13m
Deal found 10/29![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 10/29. 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 11/261:30 pm -
Nonstop2h 05m
Thu 12/36:15 pm -
Nonstop1h 55m
Deal found 10/29![Southwest logo]()
$259
This Delta deal was found by Cheapflights users on 10/29. 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 11/197:01 am -
1 stop13h 38m
Sat 11/216:20 am -
1 stop16h 03m
Deal found 10/29![Delta logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
2 stops27h 21m
Sat 12/122:41 pm -
1 stop23h 46m
Deal found 10/30![Multiple Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 10/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:33 pm -
1 stop6h 30m
Wed 11/185:37 pm -
1 stop5h 18m
Deal found 10/29![American Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/56:10 am -
Nonstop2h 21m
Mon 12/76:50 am -
Nonstop1h 54m
Deal found 10/31![United Airlines logo]()
$238
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/95:20 pm -
Nonstop2h 21m
Fri 12/116:50 am -
Nonstop1h 54m
Deal found 10/31![United Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 10/29. 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 12/45:50 pm -
Nonstop2h 05m
Mon 12/76:15 pm -
Nonstop1h 55m
Deal found 10/29![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 11/2. 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.
Mon 12/77:00 am -
1 stop5h 24m
Mon 12/1412:06 pm -
1 stop5h 51m
Deal found 11/2![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 11/3. 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 1/116:05 am -
Nonstop2h 25m
Sat 1/166:20 pm -
Nonstop2h 12m
Deal found 11/3![United Airlines logo]()
$244
This Southwest deal was found by Cheapflights users on 10/30. 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.
Fri 1/159:55 pm -
Nonstop2h 05m
Mon 1/188:50 pm -
Nonstop1h 50m
Deal found 10/30![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 10/29. 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 11/206:00 am -
1 stop5h 25m
Sat 11/216:20 am -
1 stop16h 03m
Deal found 10/29![Delta logo]()
$294
This Southwest deal was found by Cheapflights users on 11/3. 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.
Fri 1/18:15 pm -
Nonstop2h 15m
Mon 1/115:40 pm -
Nonstop1h 55m
Deal found 11/3![Southwest logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/56:27 am -
1 stop14h 31m
Sat 12/128:38 pm -
2 stops35h 04m
Deal found 10/31![Multiple Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 10/30. 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 12/148:15 pm -
Nonstop2h 15m
Mon 12/219:05 pm -
Nonstop1h 50m
Deal found 10/30![Southwest logo]()
$277
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:48 am -
1 stop6h 19m
Sun 11/225:37 pm -
1 stop5h 22m
Deal found 11/3![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 10/30. 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.
Wed 12/912:00 pm -
1 stop5h 36m
Sat 12/126:10 am -
1 stop5h 44m
Deal found 10/30![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 12/96:10 am -
Nonstop2h 21m
Tue 12/156:25 pm -
Nonstop2h 13m
Deal found 11/1![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 10/30. 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.
Wed 1/2711:25 am -
1 stop4h 25m
Fri 1/298:45 am -
Nonstop1h 55m
Deal found 10/30![Southwest logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/1710:41 am -
2 stops33h 15m
Sat 11/218:33 pm -
1 stop11h 34m
Deal found 11/3![Multiple Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 10/29. 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.
Sun 11/228:08 am -
1 stop4h 51m
Thu 11/2612:05 pm -
1 stop3h 44m
Deal found 10/29![Delta logo]()
$328
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/46:12 pm -
1 stop6h 53m
Sun 3/74:29 pm -
1 stop6h 49m
Deal found 11/1![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/286:10 am -
Nonstop2h 21m
Sat 12/56:50 am -
Nonstop1h 52m
Deal found 10/31![United Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/94:50 pm -
2 stops5h 45m
Sun 12/137:50 am -
1 stop3h 15m
Deal found 10/31![Southwest logo]()
$306
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 12/315:20 pm -
1 stop6h 17m
Mon 1/46:10 am -
1 stop4h 53m
Deal found 11/1![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:28 pm -
1 stop6h 54m
Sat 12/126:00 am -
1 stop4h 20m
Deal found 10/31![American Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/106:10 am -
Nonstop2h 20m
Tue 12/156:25 pm -
Nonstop2h 13m
Deal found 11/1![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 10/29. 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 11/206:00 am -
1 stop5h 25m
Sun 11/225:05 pm -
1 stop5h 22m
Deal found 10/29![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 11/2. 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.
Sun 12/207:35 pm -
Nonstop2h 05m
Wed 12/237:10 am -
Nonstop1h 50m
Deal found 11/2![Southwest logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Mon 11/168:35 pm -
1 stop21h 32m
Fri 11/202:52 pm -
2 stops27h 44m
Deal found 11/1![Multiple Airlines logo]()
$471
Last-minute flights from Maryland to IllinoisDiscover last-minute flight deals from Maryland to Illinois. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Illinois. Data last updated November 3, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:41 am -
1 stop8h 49m
Thu 11/196:00 am -
Nonstop1h 57m
Deal found 11/2![Frontier logo]()
$196
This Orbitz deal was found by Cheapflights users on 11/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:56 pm -
1 stop26h 41m
Mon 11/235:26 pm -
1 stop6h 16m
Deal found 11/1![Frontier logo]()
$197
This Frontier deal was found by Cheapflights users on 10/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:53 am -
Nonstop2h 30m
Wed 11/255:40 am -
1 stop12h 34m
Deal found 10/29![Frontier logo]()
$195
This Super.com deal was found by Cheapflights users on 11/1. 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 11/216:40 pm -
1 stop5h 38m
Fri 11/272:52 pm -
Nonstop2h 10m
Deal found 11/1![Frontier logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:07 am -
1 stop10h 40m
Thu 11/261:16 pm -
1 stop10h 26m
Deal found 10/29![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 11/2. 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.
Wed 12/28:15 pm -
Nonstop2h 15m
Wed 12/912:50 pm -
Nonstop1h 40m
Deal found 11/2![Southwest logo]()
$199
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/26:10 am -
Nonstop2h 21m
Wed 12/96:50 am -
Nonstop1h 54m
Deal found 11/2![United Airlines logo]()
$199
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop11h 06m
Fri 12/115:02 pm -
1 stop5h 02m
Deal found 11/3![Frontier logo]()
$195
This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:00 am -
1 stop6h 33m
Tue 12/1512:28 pm -
1 stop9h 13m
Deal found 10/31![Frontier logo]()
$200
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:00 am -
1 stop6h 33m
Sat 12/198:35 pm -
1 stop12h 22m
Deal found 11/3![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/185:08 pm -
1 stop7h 23m
Tue 12/291:10 pm -
Nonstop2h 03m
Deal found 11/2![Frontier logo]()
$201
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:26 pm -
Nonstop2h 24m
Mon 12/281:10 pm -
Nonstop2h 03m
Deal found 11/2![Frontier logo]()
$200
One-way flights from Maryland to IllinoisSearch for one-way flight options from Maryland to Illinois. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
Search for one-way flight options from Maryland to Illinois. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Mon 12/76:41 pm -
1 stop20h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:07 am -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$104
This CheapOair deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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.
Fri 11/202:29 pm -
Nonstop2h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/258:09 pm -
1 stop20h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 10/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/221:51 pm -
1 stop11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$106
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:50 am -
Nonstop2h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$106
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:27 am -
2 stops16h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
1 stop7h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$108
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:57 pm -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$108
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:03 pm -
2 stops23h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$109
This iWofly deal was found by Cheapflights users on 10/30. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1410:06 am -
1 stop8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/96:27 am -
2 stops16h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$110
Find flight deals from Maryland to Illinois
Keep the following information in mind while searching for Maryland to Illinois flight deals. Data was last updated November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $193 (Expedia) |
One-way from | $103 (Kiwi.com) |
Popular in | October |
Cheapest in | January |
Average price | $318 |
Good round-trip deal | $323 or less |
Good one-way deal | $166 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Maryland to Illinois 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 7,457,451 searches. Data last updated November 3, 2026.
Use the filters below to find and compare flights from Maryland to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Thu 11/26
6:57 pm-12:43 am
1 stop6h 46m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$108
Quickest round-trip
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Thu 11/26
1:30 pm-2:35 pm
Nonstop2h 05m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$130
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Thu 11/26
10:10 am-11:30 am
Nonstop2h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Thu 12/24
8:15 pm-9:30 pm
Nonstop2h 15m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Thu 1/21
6:05 am-7:30 am
Nonstop2h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Mon 12/7
7:55 am-9:00 am
Nonstop2h 05m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Fri 12/11
6:10 am-7:31 am
Nonstop2h 21m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$140
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Wed 11/25
6:00 am-9:46 am
1 stop4h 46m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BaltimoreChicago
BWI Baltimore/Washington - MDW Chicago Midway
BWIMDW
Baltimore/Washington
Fri 12/18
6:00 am-9:37 am
1 stop4h 37m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
BaltimoreChicago
BWI Baltimore/Washington - ORD Chicago O'Hare Intl
BWIORD
Baltimore/Washington
Mon 11/23
6:00 am-10:39 am
1 stop5h 39m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maryland to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Maryland with our price prediction graph.
BWI-ORD
BWI-MDW
BWI-PIA
BWI-CMI
BWI-SPI
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 Maryland to Illinois
USMD-USIL
BWI-ORD
BWI-MDW
BWI-PIA
BWI-CMI
What is the cheapest month to book a flight from Maryland to Illinois?
Currently, January is the cheapest month in which you can book a flight from Maryland to Illinois (average of $225). Flying from Maryland to Illinois in June is currently the most expensive (average of $378). 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 MD to IL?
Find hourly flight availability from Maryland to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from Maryland to Illinois by exploring options for tickets at noon.
Weekly flight availability from Maryland to Illinois
Explore weekly flight availability from Maryland to Illinois. 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 November 3, 2026.
The most flights from USMD to USIL are scheduled on a Monday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Maryland to Illinois?
Airfare is below average for this route at the moment.
Maryland to Illinois flights typically cost between $259 and $427 in December.The cheapest round-trip price found within the last 5 days was $193 on Frontier (Dec 18-Dec 21).
How far ahead should I book a flight from Maryland to Illinois?
The price you pay for your flight from Maryland to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Maryland to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Maryland to Illinois. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Maryland to Illinois flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated November 3, 2026.
Read through reviews of airlines operating flights from Maryland to Illinois, 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.
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Maryland to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Maryland to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maryland to Illinois by cabin class
Find flights from Maryland to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maryland and Illinois flights
Browse other Maryland and Illinois flight options. Last updated on November 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Maryland after your stay in Illinois
Maryland to Illinois flights
Consider these flights traveling from Maryland to Illinois.
Top 5 airlines flying from Maryland to Illinois
Discover the top 5 airlines that operate flights from Maryland to Illinois. 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 7,457,451 searches. Data last updated November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$131 | Average$413 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$197 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$375 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$308 | Average$413 | FlexibilityNo cancel fee | On-timeN/A |