$249+ Cheap flights from Chicago (CHI) to Brussels
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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Brussels 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.Cheapflights Tip: The best prices from Chicago to Brussels are usually found in February or November, booked 18 days in advance, depart on a Tuesday or Thursday and return on a Wednesday
Cheap flight deals from Chicago to Brussels
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Last-minute
One-way
Cheapest flights from Chicago to BrusselsExplore the most affordable flight options available from Chicago to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
Explore the most affordable flight options available from Chicago to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 31, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 pm -
1 stop10h 25m
Thu 11/1912:50 pm -
1 stop11h 30m
Deal found 8/28![Icelandair logo]()
$552
This Flightnetwork deal was found by Cheapflights users on 8/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:30 pm -
1 stop10h 25m
Sun 1/1712:50 pm -
1 stop11h 30m
Deal found 8/27![Icelandair logo]()
$554
This Ticket deal was found by Cheapflights users on 8/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:15 pm -
1 stop17h 35m
Tue 11/37:15 pm -
1 stop28h 30m
Deal found 8/30![Scandinavian Airlines logo]()
$580
This Icelandair deal was found by Cheapflights users on 8/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:30 pm -
1 stop10h 25m
Sun 1/1712:50 pm -
1 stop11h 30m
Deal found 8/27![Icelandair logo]()
$591
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:25 pm -
1 stop10h 30m
Sun 10/181:50 pm -
1 stop11h 25m
Deal found 8/27![Icelandair logo]()
$600
This eDestinos deal was found by Cheapflights users on 8/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:15 pm -
1 stop12h 20m
Fri 10/237:10 pm -
1 stop28h 00m
Deal found 8/27![Scandinavian Airlines logo]()
$611
This SmartFares deal was found by Cheapflights users on 8/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:15 pm -
1 stop12h 20m
Mon 10/198:30 pm -
1 stop26h 40m
Deal found 8/28![Scandinavian Airlines logo]()
$612
This Mytrip deal was found by Cheapflights users on 8/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 pm -
2 stops18h 05m
Thu 11/195:30 pm -
2 stops29h 00m
Deal found 8/28![Multiple Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 8/28. 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.
Mon 11/911:27 am -
2 stops13h 08m
Thu 11/196:15 am -
2 stops17h 24m
Deal found 8/28![Delta logo]()
$765
This Mytrip deal was found by Cheapflights users on 8/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:25 pm -
2 stops20h 30m
Wed 10/78:00 am -
2 stops20h 25m
Deal found 8/26![Multiple Airlines logo]()
$784
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:25 am -
2 stops24h 35m
Tue 10/62:45 pm -
2 stops25h 55m
Deal found 8/27![Multiple Airlines logo]()
$791
This Mytrip deal was found by Cheapflights users on 8/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:15 pm -
2 stops17h 25m
Sat 10/248:15 pm -
2 stops28h 30m
Deal found 8/26![Multiple Airlines logo]()
$793
Best flights from Chicago to BrusselsDiscover carefully curated flight deals from Chicago to Brussels that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from Chicago to Brussels that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:15 pm -
2 stops16h 25m
Mon 11/3010:20 am -
1 stop13h 25m
Deal found 8/30![Scandinavian Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 12/25:50 pm -
Nonstop8h 05m
Wed 12/910:10 am -
Nonstop9h 00m
Deal found 8/26![United Airlines logo]()
$783
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:25 am -
2 stops24h 35m
Tue 10/62:45 pm -
2 stops25h 55m
Deal found 8/27![Multiple Airlines logo]()
$791
This Delta deal was found by Cheapflights users on 8/30. 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.
Mon 11/911:27 am -
2 stops13h 08m
Sun 11/2212:55 pm -
1 stop16h 59m
Deal found 8/30![Delta logo]()
$857
This KLM deal was found by Cheapflights users on 8/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:49 pm -
1 stop11h 51m
Sun 10/119:45 am -
1 stop13h 29m
Deal found 8/30![KLM logo]()
$1,048
This Brussels Airlines deal was found by Cheapflights users on 8/27. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:35 pm -
1 stop18h 25m
Sun 10/1810:15 am -
Nonstop8h 45m
Deal found 8/27![Brussels Airlines logo]()
$1,120
This Lufthansa deal was found by Cheapflights users on 8/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 pm -
Nonstop8h 00m
Sun 10/1810:15 am -
Nonstop8h 45m
Deal found 8/27![Lufthansa logo]()
$1,123
This Scandinavian Airlines deal was found by Cheapflights users on 8/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm -
1 stop12h 20m
Wed 10/218:30 pm -
1 stop26h 40m
Deal found 8/30![Scandinavian Airlines logo]()
$657
This Scandinavian Airlines deal was found by Cheapflights users on 8/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:15 pm -
1 stop17h 35m
Sun 1/178:30 pm -
1 stop27h 15m
Deal found 8/27![Scandinavian Airlines logo]()
$663
This Mytrip deal was found by Cheapflights users on 8/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:45 pm -
2 stops21h 00m
Tue 11/31:45 pm -
2 stops28h 15m
Deal found 8/31![Multiple Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 8/26. 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.
Sun 9/277:01 pm -
2 stops12h 39m
Tue 10/66:20 am -
2 stops16h 54m
Deal found 8/26![Delta logo]()
$875
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Mon 11/96:30 pm -
2 stops18h 05m
Thu 11/196:20 am -
1 stop15h 35m
Deal found 8/28![Multiple Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 10/103:40 pm -
1 stop32h 30m
Sun 10/1810:15 am -
Nonstop8h 45m
Deal found 8/26![United Airlines logo]()
$906
This Delta deal was found by Cheapflights users on 8/30. 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.
Sun 10/256:44 pm -
2 stops13h 31m
Tue 11/38:05 am -
2 stops15h 42m
Deal found 8/30![Delta logo]()
$895
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:30 pm -
2 stops21h 05m
Sun 11/17:30 am -
2 stops16h 50m
Deal found 8/30![Multiple Airlines logo]()
$828
This Scandinavian Airlines deal was found by Cheapflights users on 8/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:00 am -
2 stops20h 40m
Sat 1/912:10 pm -
2 stops35h 35m
Deal found 8/30![Scandinavian Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:45 pm -
1 stop14h 30m
Mon 11/3010:10 am -
Nonstop9h 00m
Deal found 8/30![United Airlines logo]()
$950
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Tue 9/294:55 pm -
1 stop23h 00m
Tue 10/207:55 am -
2 stops16h 55m
Deal found 8/30![Multiple Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 8/26. 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 10/1910:59 am -
2 stops15h 41m
Mon 10/2612:55 pm -
1 stop15h 38m
Deal found 8/26![Delta logo]()
$927
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 11/213:45 pm -
1 stop14h 30m
Sat 11/2810:00 am -
1 stop11h 52m
Deal found 8/26![United Airlines logo]()
$963
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/154:55 pm -
1 stop14h 15m
Mon 10/198:50 am -
2 stops16h 00m
Deal found 8/26![Multiple Airlines logo]()
$865
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Wed 10/76:05 pm -
1 stop12h 10m
Sun 10/1110:15 am -
Nonstop8h 45m
Deal found 8/29![United Airlines logo]()
$1,030
This Delta deal was found by Cheapflights users on 8/30. 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 10/710:59 am -
1 stop13h 41m
Sun 10/119:45 am -
1 stop13h 29m
Deal found 8/30![Delta logo]()
$1,048
This Mytrip deal was found by Cheapflights users on 8/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:25 pm -
2 stops20h 30m
Fri 9/258:45 am -
2 stops19h 40m
Deal found 8/26![Multiple Airlines logo]()
$928
This Delta deal was found by Cheapflights users on 8/29. 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 10/1610:59 am -
1 stop13h 41m
Mon 10/2612:55 pm -
1 stop15h 38m
Deal found 8/29![Delta logo]()
$1,078
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Sat 10/174:55 pm -
1 stop17h 10m
Sat 10/246:45 am -
2 stops21h 30m
Deal found 8/27![Multiple Airlines logo]()
$959
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 11/215:50 pm -
Nonstop8h 05m
Sun 11/2910:10 am -
Nonstop9h 00m
Deal found 8/26![United Airlines logo]()
$1,173
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:50 pm -
1 stop14h 50m
Mon 10/268:55 am -
2 stops18h 00m
Deal found 8/29![Multiple Airlines logo]()
$968
Last-minute flights from Chicago to BrusselsDiscover last-minute flight deals from Chicago to Brussels. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Brussels. Data last updated August 31, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:10 pm -
1 stop18h 15m
Tue 10/611:20 am -
1 stop29h 20m
Deal found 8/27![Turkish Airlines logo]()
$726
This Cheapflightsfares deal was found by Cheapflights users on 8/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:25 pm -
1 stop10h 30m
Wed 9/301:50 pm -
1 stop11h 25m
Deal found 8/26![Icelandair logo]()
$642
This Gotogate deal was found by Cheapflights users on 8/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:25 pm -
1 stop31h 30m
Thu 10/11:50 pm -
1 stop11h 25m
Deal found 8/26![Icelandair logo]()
$724
This Cheapflightsfares deal was found by Cheapflights users on 8/29. 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 9/247:25 pm -
1 stop10h 30m
Tue 11/1012:50 pm -
1 stop11h 30m
Deal found 8/29![Icelandair logo]()
$659
This Justfly.com deal was found by Cheapflights users on 8/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:10 pm -
1 stop18h 15m
Mon 11/93:15 pm -
1 stop34h 05m
Deal found 8/29![Turkish Airlines logo]()
$764
This flugladen.de deal was found by Cheapflights users on 8/26. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:25 am -
1 stop19h 00m
Tue 10/611:20 am -
1 stop29h 20m
Deal found 8/26![Turkish Airlines logo]()
$708
This Expedia deal was found by Cheapflights users on 8/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 pm -
1 stop34h 00m
Wed 10/78:55 pm -
1 stop22h 45m
Deal found 8/30![TAP AIR PORTUGAL logo]()
$727
This Mytrip deal was found by Cheapflights users on 8/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:25 am -
2 stops24h 35m
Tue 10/62:45 pm -
2 stops25h 55m
Deal found 8/27![Multiple Airlines logo]()
$791
This Turkish Airlines deal was found by Cheapflights users on 8/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop18h 15m
Thu 10/82:30 pm -
1 stop26h 10m
Deal found 8/30![Turkish Airlines logo]()
$731
This Mytrip deal was found by Cheapflights users on 8/29. 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.
Mon 9/283:35 pm -
2 stops22h 00m
Mon 10/58:50 am -
2 stops34h 45m
Deal found 8/29![Multiple Airlines logo]()
$818
This Cheapflightsfares deal was found by Cheapflights users on 8/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:25 pm -
1 stop10h 30m
Wed 10/71:50 pm -
1 stop14h 35m
Deal found 8/26![Icelandair logo]()
$635
This Mytrip deal was found by Cheapflights users on 8/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:25 pm -
2 stops20h 30m
Wed 10/78:00 am -
2 stops20h 25m
Deal found 8/26![Multiple Airlines logo]()
$784
One-way flights from Chicago to BrusselsSearch for one-way flight options from Chicago to Brussels. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Chicago to Brussels. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Mytrip deal was found by Cheapflights users on 8/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:25 pm -
1 stop10h 30m
Deal found 8/28![Icelandair logo]()
$249
This Mytrip deal was found by Cheapflights users on 8/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:25 pm -
1 stop31h 30m
Deal found 8/26![Icelandair logo]()
$252
This Mytrip deal was found by Cheapflights users on 8/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:25 pm -
1 stop10h 30m
Deal found 8/26![Icelandair logo]()
$253
This oojo deal was found by Cheapflights users on 8/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:30 pm -
1 stop10h 25m
Deal found 8/30![Icelandair logo]()
$254
This oojo deal was found by Cheapflights users on 8/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:25 pm -
1 stop31h 30m
Deal found 8/29![Icelandair logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:25 pm -
1 stop10h 30m
Deal found 8/29![Icelandair logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 pm -
1 stop10h 25m
Deal found 8/29![Icelandair logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:30 pm -
1 stop10h 25m
Deal found 8/29![Icelandair logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:25 pm -
2 stops20h 30m
Deal found 8/29![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:25 pm -
2 stops40h 15m
Deal found 8/29![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 12/16:30 pm -
2 stops21h 25m
Deal found 8/28![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Sat 11/286:30 pm -
2 stops21h 25m
Deal found 8/28![Multiple Airlines logo]()
$321
Find flight deals from Chicago to Brussels
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 31, 2026.
Round-trip from | $552 (Cheapflightsfares) |
|---|---|
One-way from | $249 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $743 |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Brussels 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 August 31, 2026.
Use the filters below to find and compare flights from Chicago to Brussels that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBrussels
ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National
ORDBRU
Chicago O'Hare Intl
Wed 11/25
7:15 pm-6:40 pm
2 stops16h 25m
Brussels Bruxelles-National
Mon 11/30
10:20 am-4:45 pm
1 stop13h 25m
$650
ChicagoBrussels
ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National
ORDBRU
Chicago O'Hare Intl
Sat 10/17
7:15 pm-2:35 pm
1 stop12h 20m
Brussels Bruxelles-National
Wed 10/21
8:30 pm-4:10 pm
1 stop26h 40m
$657
ChicagoBrussels
ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National
ORDBRU
Chicago O'Hare Intl
Fri 12/4
7:15 pm-7:50 pm
1 stop17h 35m
Brussels Bruxelles-National
Sun 1/17
8:30 pm-4:45 pm
1 stop27h 15m
$663
ChicagoBrussels
ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National
ORDBRU
Chicago O'Hare Intl
Wed 12/2
5:50 pm-8:55 am
Nonstop8h 05m
Brussels Bruxelles-National
Wed 12/9
10:10 am-12:10 pm
Nonstop9h 00m
$783
ChicagoBrussels
ORD Chicago O'Hare Intl - CRL Charleroi Brussels
ORDCRL
Chicago O'Hare Intl
Sun 9/27
11:25 am-7:00 pm
2 stops24h 35m
Charleroi Brussels
Tue 10/6
2:45 pm-9:40 am
2 stops25h 55m
$791
ChicagoBrussels
ORD Chicago O'Hare Intl - CRL Charleroi Brussels
ORDCRL
Chicago O'Hare Intl
Sun 10/25
12:45 pm-3:45 pm
2 stops21h 00m
Charleroi Brussels
Tue 11/3
1:45 pm-11:00 am
2 stops28h 15m
$805
ChicagoBrussels
ORD Chicago O'Hare Intl - CRL Charleroi Brussels
ORDCRL
Chicago O'Hare Intl
Mon 11/9
6:30 pm-7:35 pm
2 stops18h 05m
Charleroi Brussels
Thu 11/19
6:20 am-2:55 pm
1 stop15h 35m
$822
ChicagoBrussels
ORD Chicago O'Hare Intl - CRL Charleroi Brussels
ORDCRL
Chicago O'Hare Intl
Sun 10/25
7:30 pm-10:35 pm
2 stops21h 05m
Charleroi Brussels
Sun 11/1
7:30 am-6:20 pm
2 stops16h 50m
$828
ChicagoBrussels
ORD Chicago O'Hare Intl - CRL Charleroi Brussels
ORDCRL
Chicago O'Hare Intl
Tue 9/29
4:55 pm-10:55 pm
1 stop23h 00m
Charleroi Brussels
Tue 10/20
7:55 am-5:50 pm
2 stops16h 55m
$830
ChicagoBrussels
ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National
ORDBRU
Chicago O'Hare Intl
Sat 12/12
6:00 am-9:40 am
2 stops20h 40m
Brussels Bruxelles-National
Sat 1/9
12:10 pm-4:45 pm
2 stops35h 35m
$847
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Chicago to Brussels
Have a flexible travel schedule? Discover the best time to fly to Brussels from Chicago with our price prediction graph.
CHI-BR1
ORD-BRU
ORD-CRL
MDW-BRU
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 Chicago to Brussels
CHI-BR1
ORD-BRU
ORD-CRL
MDW-BRU
What is the cheapest month to book a flight from Chicago to Brussels?
Currently, November is the cheapest month in which you can book a flight from Chicago to Brussels (average of $632). Flying from Chicago to Brussels in June is currently the most expensive (average of $1,489). 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 CHI to BRU?
Find hourly flight availability from Chicago to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 31, 2026.
When flying from Chicago to Brussels, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Chicago to Brussels
Explore weekly flight availability from Chicago to Brussels. 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 31, 2026.
The most flights from CHI to BR1 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Chicago to Brussels?
Airfare is below average for this route at the moment.
Chicago to Brussels flights typically cost between $720 and $1,001 in November.The cheapest round-trip price found within the last 5 days was $552 on Icelandair (Nov 9-Nov 19).
How far ahead should I book a flight from Chicago to Brussels?
Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Brussels. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Brussels
Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated August 31, 2026.
Read reviews from past customers who have flown Scandinavian Airlines,United Airlines, andAer Lingus from Chicago to Brussels. 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
6.8
Overall
7.4
Boarding
7.7
Comfort
7.4
Food
6.8
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Entertainment
6.8
Overall
7.4
Boarding
7.7
Comfort
7.4
Food
6.8
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Entertainment
6.8
Overall
7.4
Boarding
7.7
Comfort
7.4
Food
6.8
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Entertainment
6.8
Overall
7.4
Boarding
7.7
Comfort
7.4
Food
6.8
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Entertainment
6.8
Overall
7.4
Boarding
7.7
Comfort
7.4
Food
6.8
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Related info for your journey
Find useful and relevant information for your journey from Chicago to Brussels. 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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Complete your trip
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Search flights from Chicago to Brussels by cabin class
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Chicago and Brussels flights
Browse other Chicago and Brussels flight options. Last updated on August 31, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Chicago to Brussels
Discover the top 7 airlines that operate flights from Chicago to Brussels. 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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$433 | Average$665 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$444 | Average$463 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$477 | Average$671 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$531 | Average$751 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$752 | Average$1,656 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$849 | Average$1,352 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$969 | Average$1,369 | FlexibilityNo cancel fee | On-time76% |