$316+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
Aug 13 — Aug 201
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 67 days in advance, depart on a Tuesday or Thursday and return on a Sunday
Cheap flight deals from Chicago to Brussels
Cheapest
Best
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 July 14, 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 July 14, 2026.
This Mytrip deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 10/37:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Sun 10/181:50 pm
BRU
- ORD
1 stop14h 35m
Icelandair
Deal found 7/13![Icelandair logo]()
$456
This Gotogate deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/77:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Sun 10/181:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/10![Icelandair logo]()
$462
This Gotogate deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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.
Thu 10/227:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Tue 10/2712:50 pm
BRU
- ORD
1 stop11h 30m
Icelandair
Deal found 7/11![Icelandair logo]()
$464
This oojo deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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.
Sat 9/267:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Sun 10/41:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/9![Icelandair logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/77:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Fri 10/161:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/10![Icelandair logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 11/26:30 pm
ORD
- BRU
1 stop10h 25m
Icelandair
Tue 11/1012:50 pm
BRU
- ORD
1 stop11h 30m
Icelandair
Deal found 7/12![Icelandair logo]()
$489
This Icelandair deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 11/26:30 pm
ORD
- BRU
1 stop10h 25m
Icelandair
Thu 11/1212:50 pm
BRU
- ORD
1 stop11h 30m
Icelandair
Deal found 7/10![Icelandair logo]()
$490
This Icelandair deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Fri 10/210:25 pm
ORD
- BRU
1 stop31h 30m
Icelandair
Sun 10/181:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/10![Icelandair logo]()
$492
This Gotogate deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 11/46:30 pm
ORD
- BRU
1 stop10h 25m
Icelandair
Thu 11/1212:50 pm
BRU
- ORD
1 stop11h 30m
Icelandair
Deal found 7/10![Icelandair logo]()
$525
This FlightHub deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Sat 10/317:30 pm
ORD
- BRU
1 stop10h 25m
Icelandair
Tue 11/1712:50 pm
BRU
- ORD
1 stop11h 30m
Icelandair
Deal found 7/13![Icelandair logo]()
$539
This Mytrip deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/247:25 pm
ORD
- CRL
2 stops18h 10m
Multiple Airlines
Mon 8/318:50 am
CRL
- ORD
2 stops16h 25m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$687
This Mytrip deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/77:25 pm
ORD
- CRL
3 stops33h 55m
Multiple Airlines
Sun 10/189:05 am
CRL
- ORD
2 stops16h 10m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$691
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 July 14, 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 July 14, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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.
Wed 9/168:10 pm
ORD
- BRU
1 stop31h 00m
Turkish Airlines
Tue 9/227:20 am
BRU
- ORD
1 stop33h 20m
Turkish Airlines
Deal found 7/11![Turkish Airlines logo]()
$730
This Mytrip deal was found by Cheapflights users on 7/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/93:40 pm
ORD
- CRL
2 stops22h 35m
Multiple Airlines
Fri 8/289:50 am
CRL
- ORD
2 stops17h 05m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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
ORD
- BRU
Nonstop8h 05m
United Airlines
Mon 12/74:55 pm
BRU
- ORD
1 stop27h 50m
United Airlines
Deal found 7/13![United Airlines logo]()
$831
This Icelandair deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Wed 10/79:38 am
ORD
- BRU
2 stops20h 17m
Icelandair
Mon 10/191:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/10![Icelandair logo]()
$837
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/1612:46 pm
MDW
- BRU
1 stop11h 54m
Delta
Tue 8/259:45 am
BRU
- MDW
1 stop19h 51m
Delta
Deal found 7/12![Delta logo]()
$921
This Turkish Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Wed 11/118:15 pm
ORD
- BRU
1 stop35h 00m
Turkish Airlines
Mon 11/163:15 pm
BRU
- ORD
1 stop25h 45m
Turkish Airlines
Deal found 7/10![Turkish Airlines logo]()
$770
This Mytrip deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 9/287:25 pm
ORD
- CRL
2 stops20h 30m
Multiple Airlines
Wed 10/79:20 am
CRL
- ORD
2 stops17h 28m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 pm
ORD
- BRU
Nonstop8h 00m
United Airlines
Tue 10/2010:15 am
BRU
- ORD
Nonstop8h 45m
United Airlines
Deal found 7/10![United Airlines logo]()
$845
This Turkish Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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.
Sat 9/198:10 pm
ORD
- BRU
1 stop30h 45m
Turkish Airlines
Fri 9/254:15 pm
BRU
- ORD
1 stop24h 25m
Turkish Airlines
Deal found 7/9![Turkish Airlines logo]()
$770
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/257:25 pm
ORD
- CRL
2 stops18h 50m
Multiple Airlines
Tue 9/12:10 pm
CRL
- ORD
2 stops30h 50m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$839
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:46 pm
MDW
- BRU
1 stop11h 54m
Delta
Wed 9/26:20 am
BRU
- MDW
2 stops17h 39m
Delta
Deal found 7/12![Delta logo]()
$939
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 11/55:45 pm
ORD
- BRU
1 stop12h 30m
United Airlines
Wed 11/1110:10 am
BRU
- ORD
Nonstop9h 00m
United Airlines
Deal found 7/12![United Airlines logo]()
$859
This Turkish Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Fri 10/211:25 am
ORD
- BRU
1 stop23h 25m
Turkish Airlines
Tue 10/206:55 pm
BRU
- ORD
1 stop21h 45m
Turkish Airlines
Deal found 7/10![Turkish Airlines logo]()
$800
This Delta deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:46 pm
MDW
- BRU
1 stop11h 54m
Delta
Tue 9/18:05 am
BRU
- MDW
2 stops16h 56m
Delta
Deal found 7/11![Delta logo]()
$939
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 12/25:45 pm
ORD
- BRU
1 stop12h 30m
United Airlines
Sun 12/610:10 am
BRU
- ORD
Nonstop9h 00m
United Airlines
Deal found 7/13![United Airlines logo]()
$859
This Mytrip deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 9/197:25 pm
ORD
- CRL
2 stops12h 55m
Multiple Airlines
Fri 9/259:50 am
CRL
- ORD
3 stops31h 27m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$868
This Mytrip deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 9/29:50 am
ORD
- CRL
2 stops22h 55m
Multiple Airlines
Wed 9/95:35 pm
CRL
- ORD
2 stops34h 45m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 10/39:29 am
MDW
- BRU
2 stops15h 11m
Delta
Sun 10/189:45 am
BRU
- MDW
1 stop13h 35m
Delta
Deal found 7/9![Delta logo]()
$981
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 9/263:40 pm
ORD
- BRU
1 stop32h 30m
United Airlines
Sun 10/410:15 am
BRU
- ORD
Nonstop8h 45m
United Airlines
Deal found 7/13![United Airlines logo]()
$905
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/195:10 pm
ORD
- CRL
1 stop17h 35m
Multiple Airlines
Sat 8/297:25 am
CRL
- ORD
1 stop14h 45m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 9/269:29 am
MDW
- BRU
2 stops15h 11m
Delta
Sun 10/49:45 am
BRU
- MDW
1 stop13h 31m
Delta
Deal found 7/11![Delta logo]()
$981
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 10/39:45 pm
ORD
- BRU
2 stops26h 25m
United Airlines
Sun 10/189:10 am
BRU
- ORD
1 stop32h 07m
United Airlines
Deal found 7/9![United Airlines logo]()
$913
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/197:25 pm
ORD
- CRL
2 stops15h 20m
Multiple Airlines
Tue 5/47:05 am
CRL
- ORD
1 stop14h 20m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$885
This Delta deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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 8/2410:54 am
MDW
- BRU
1 stop13h 46m
Delta
Sun 8/309:45 am
BRU
- MDW
2 stops15h 48m
Delta
Deal found 7/11![Delta logo]()
$995
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/169:30 pm
ORD
- CRL
1 stop18h 05m
Multiple Airlines
Tue 8/251:50 pm
CRL
- ORD
2 stops31h 55m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 9/1610:48 am
MDW
- BRU
1 stop13h 52m
Delta
Tue 9/229:45 am
BRU
- MDW
1 stop13h 31m
Delta
Deal found 7/9![Delta logo]()
$1,016
This Booking.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:25 pm
ORD
- CRL
2 stops13h 05m
Multiple Airlines
Tue 10/2010:00 pm
CRL
- ORD
3 stops25h 58m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$902
Last-minute flights from Chicago to BrusselsDiscover last-minute flight deals from Chicago to Brussels. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Brussels. Data last updated July 14, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” 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.
Sun 8/1610:25 pm
ORD
- BRU
1 stop31h 30m
Icelandair
Tue 8/251:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/11![Icelandair logo]()
$697
This oojo deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Sun 8/236:00 pm
ORD
- BRU
1 stop34h 00m
TAP AIR PORTUGAL
Sat 8/298:55 pm
BRU
- ORD
1 stop26h 05m
TAP AIR PORTUGAL
Deal found 7/10![TAP AIR PORTUGAL logo]()
$667
This Mytrip deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/2310:25 pm
ORD
- BRU
3 stops29h 15m
Multiple Airlines
Tue 9/110:55 am
BRU
- ORD
2 stops17h 30m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$668
This Gotogate deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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.
Sun 8/237:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Sun 8/301:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/9![Icelandair logo]()
$696
This Mytrip deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/247:25 pm
ORD
- BRU
2 stops15h 50m
Multiple Airlines
Mon 8/311:25 pm
BRU
- ORD
3 stops35h 50m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$660
This Mytrip deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/247:25 pm
ORD
- CRL
2 stops18h 10m
Multiple Airlines
Mon 8/318:50 am
CRL
- ORD
2 stops16h 25m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$687
This Mytrip deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/2410:25 pm
ORD
- BRU
1 stop31h 30m
Multiple Airlines
Sun 8/309:20 pm
BRU
- ORD
2 stops31h 00m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$692
This Gotogate deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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.
Tue 8/257:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Tue 9/11:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/10![Icelandair logo]()
$694
This Vliegwinkel deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:40 pm
ORD
- BRU
1 stop15h 25m
TAP AIR PORTUGAL
Wed 9/28:55 pm
BRU
- ORD
1 stop22h 45m
TAP AIR PORTUGAL
Deal found 7/12![TAP AIR PORTUGAL logo]()
$676
This Icelandair deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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.
Sat 8/297:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Fri 12/1812:50 pm
BRU
- ORD
1 stop11h 30m
Icelandair
Deal found 7/12![Icelandair logo]()
$663
This Cheapflightsfares deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/317:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Wed 9/301:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 7/10![Icelandair logo]()
$636
This FlightHub deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/317:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Fri 12/1812:50 pm
BRU
- ORD
1 stop11h 30m
Icelandair
Deal found 7/12![Icelandair logo]()
$640
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 July 14, 2026.
Search for one-way flight options from Chicago to Brussels. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/2310:25 pm
ORD
- CRL
3 stops28h 05m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:25 pm
ORD
- CRL
2 stops30h 50m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:25 pm
ORD
- CRL
3 stops40h 50m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 9/157:25 pm
ORD
- BRU
3 stops31h 10m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:25 pm
ORD
- BRU
3 stops27h 45m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:25 pm
ORD
- CRL
3 stops27h 20m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/2310:25 pm
ORD
- BRU
3 stops27h 45m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:25 pm
ORD
- BRU
3 stops27h 10m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:25 pm
ORD
- BRU
3 stops28h 10m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:25 pm
ORD
- CRL
3 stops19h 00m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 11/16:30 pm
ORD
- BRU
2 stops17h 40m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:25 pm
ORD
- BRU
3 stops27h 35m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$364
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 July 14, 2026.
Round-trip from | $456 (Mytrip) |
|---|---|
One-way from | $316 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $836 |
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 2,558,603 searches. Data last updated July 14, 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 - BRU
ORDBRU
Chicago O'Hare Intl
Wed 9/16
8:10 pm-10:10 am
1 stop31h 00m
Brussels Bruxelles-National
Tue 9/22
7:20 am-9:40 am
1 stop33h 20m
$730
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Wed 11/11
8:15 pm-2:15 pm
1 stop35h 00m
Brussels Bruxelles-National
Mon 11/16
3:15 pm-10:00 am
1 stop25h 45m
$770
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Sat 9/19
8:10 pm-9:55 am
1 stop30h 45m
Brussels Bruxelles-National
Fri 9/25
4:15 pm-9:40 am
1 stop24h 25m
$770
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Sun 8/9
3:40 pm-9:15 pm
2 stops22h 35m
Charleroi Brussels
Fri 8/28
9:50 am-7:55 pm
2 stops17h 05m
$799
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Fri 10/2
11:25 am-5:50 pm
1 stop23h 25m
Brussels Bruxelles-National
Tue 10/20
6:55 pm-9:40 am
1 stop21h 45m
$800
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Mon 9/28
7:25 pm-10:55 pm
2 stops20h 30m
Charleroi Brussels
Wed 10/7
9:20 am-7:48 pm
2 stops17h 28m
$803
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Wed 12/2
5:50 pm-8:55 am
Nonstop8h 05m
Brussels Bruxelles-National
Mon 12/7
4:55 pm-1:45 pm
1 stop27h 50m
$831
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Wed 10/7
9:38 am-12:55 pm
2 stops20h 17m
Brussels Bruxelles-National
Mon 10/19
1:50 pm-6:15 pm
1 stop11h 25m
$837
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Tue 8/25
7:25 pm-9:15 pm
2 stops18h 50m
Charleroi Brussels
Tue 9/1
2:10 pm-2:00 pm
2 stops30h 50m
$839
Quickest round-trip
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Tue 10/6
6:00 pm-9:00 am
Nonstop8h 00m
Brussels Bruxelles-National
Tue 10/20
10:15 am-12:00 pm
Nonstop8h 45m
$845
Showing 1-10 of 53 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, May is the cheapest month in which you can book a flight from Chicago to Brussels (average of $129). Flying from Chicago to Brussels in June is currently the most expensive (average of $748). 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 July 14, 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 July 14, 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?
How far ahead should I book a flight from Chicago to Brussels?
Booking 33 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 July 14, 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.
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
6.7
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
6.7
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
6.7
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
6.7
Crew
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Comfort
7.3
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
6.7
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
Find flights from Chicago to Brussels, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Brussels flights
Browse other Chicago and Brussels flight options. Last updated on July 14, 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 July 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Chicago to Brussels
Discover the top 8 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 2,558,603 searches. Data last updated July 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$418 | Average$617 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$444 | Average$463 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$448 | Average$629 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$531 | Average$751 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$582 | Average$709 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$692 | Average$1,253 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$752 | Average$1,765 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$969 | Average$1,369 | FlexibilityNo cancel fee | On-time76% |