$313+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
Jun 29 — Jul 61
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 January, booked 88 days in advance, depart on a Tuesday or Friday 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 May 30, 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 May 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:15 pm
ORD
- BRU
1 stop31h 25m
Scandinavian Airlines
Wed 12/910:20 am
BRU
- ORD
1 stop13h 35m
Scandinavian Airlines
Deal found 5/25![Scandinavian Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 5/27. 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.
Sun 10/187:15 pm
ORD
- BRU
1 stop12h 20m
Scandinavian Airlines
Sun 10/258:30 pm
BRU
- ORD
1 stop27h 15m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$596
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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.
Sun 10/117:15 pm
ORD
- BRU
1 stop20h 45m
Scandinavian Airlines
Tue 11/107:00 pm
BRU
- ORD
2 stops28h 45m
Scandinavian Airlines
Deal found 5/26![Scandinavian Airlines logo]()
$598
This FlightHub deal was found by Cheapflights users on 5/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:15 pm
ORD
- BRU
2 stops16h 05m
Scandinavian Airlines
Mon 12/147:20 pm
BRU
- ORD
2 stops28h 25m
Scandinavian Airlines
Deal found 5/26![Scandinavian Airlines logo]()
$603
This SmartFares deal was found by Cheapflights users on 5/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:15 pm
ORD
- BRU
1 stop16h 20m
Scandinavian Airlines
Mon 11/307:15 pm
BRU
- ORD
1 stop28h 30m
Scandinavian Airlines
Deal found 5/26![Scandinavian Airlines logo]()
$606
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:15 pm
ORD
- BRU
1 stop20h 45m
Scandinavian Airlines
Fri 10/211:20 am
BRU
- ORD
2 stops35h 50m
Scandinavian Airlines
Deal found 5/26![Scandinavian Airlines logo]()
$611
This Booking.com deal was found by Cheapflights users on 5/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:15 pm
ORD
- BRU
1 stop16h 15m
Scandinavian Airlines
Fri 10/2310:20 am
BRU
- ORD
1 stop12h 50m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 5/27. 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.
Sun 8/309:30 pm
ORD
- CRL
1 stop18h 05m
Multiple Airlines
Tue 9/297:55 am
CRL
- ORD
2 stops16h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$725
This Kiwi.com deal was found by Cheapflights users on 5/27. 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.
Sun 9/209:00 pm
ORD
- CRL
1 stop17h 25m
Multiple Airlines
Tue 9/297:55 am
CRL
- ORD
2 stops16h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$753
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:45 pm
ORD
- CRL
1 stop33h 40m
Multiple Airlines
Wed 8/269:45 pm
CRL
- ORD
2 stops27h 05m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$760
This Kiwi.com deal was found by Cheapflights users on 5/30. 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.
Sun 8/309:30 pm
ORD
- CRL
1 stop18h 05m
Multiple Airlines
Mon 9/288:50 am
CRL
- ORD
2 stops16h 00m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$768
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
Tue 9/224:55 pm
ORD
- CRL
1 stop23h 00m
Multiple Airlines
Wed 9/309:45 pm
CRL
- ORD
2 stops27h 05m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$809
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 May 30, 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 May 30, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. 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.
Sun 8/307:15 pm
ORD
- BRU
1 stop12h 20m
Scandinavian Airlines
Sun 10/410:20 am
BRU
- ORD
1 stop12h 50m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$728
This Mytrip deal was found by Cheapflights users on 5/29. 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 8/109:50 am
ORD
- CRL
2 stops27h 45m
Multiple Airlines
Fri 8/219:50 am
CRL
- ORD
2 stops17h 02m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$811
This Turkish Airlines deal was found by Cheapflights users on 5/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:25 am
ORD
- BRU
1 stop15h 30m
Turkish Airlines
Sat 10/36:50 pm
BRU
- ORD
1 stop21h 50m
Turkish Airlines
Deal found 5/27![Turkish Airlines logo]()
$887
This Icelandair deal was found by Cheapflights users on 5/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:25 pm
ORD
- BRU
1 stop10h 30m
Icelandair
Sun 9/271:50 pm
BRU
- ORD
1 stop11h 25m
Icelandair
Deal found 5/28![Icelandair logo]()
$1,009
This United Airlines deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:30 pm
ORD
- BRU
1 stop13h 45m
United Airlines
Wed 7/1510:15 am
BRU
- ORD
Nonstop8h 45m
United Airlines
Deal found 5/27![United Airlines logo]()
$1,129
This KLM deal was found by Cheapflights users on 5/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:23 am
ORD
- BRU
1 stop13h 17m
KLM
Fri 7/316:20 am
BRU
- ORD
1 stop14h 55m
KLM
Deal found 5/28![KLM logo]()
$1,145
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:05 am
MDW
- BRU
1 stop13h 35m
Delta
Thu 7/169:45 am
BRU
- MDW
2 stops15h 40m
Delta
Deal found 5/25![Delta logo]()
$1,151
This Lufthansa deal was found by Cheapflights users on 5/27. 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 8/306:00 pm
ORD
- BRU
Nonstop8h 00m
Lufthansa
Fri 10/210:15 am
BRU
- ORD
Nonstop8h 45m
Lufthansa
Deal found 5/27![Lufthansa logo]()
$1,197
This Scandinavian Airlines deal was found by Cheapflights users on 5/27. 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.
Tue 9/16:00 am
ORD
- BRU
2 stops25h 35m
Scandinavian Airlines
Sun 10/43:15 pm
BRU
- ORD
1 stop31h 55m
Scandinavian Airlines
Deal found 5/27![Scandinavian Airlines logo]()
$743
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:25 pm
ORD
- CRL
2 stops20h 30m
Multiple Airlines
Wed 9/25:35 pm
CRL
- ORD
1 stop27h 50m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$848
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/29:00 pm
ORD
- CRL
1 stop17h 15m
Multiple Airlines
Wed 9/25:35 pm
CRL
- ORD
1 stop27h 50m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$876
This Mytrip deal was found by Cheapflights users on 5/26. 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 10/113:45 pm
ORD
- CRL
2 stops15h 45m
Multiple Airlines
Tue 11/1011:00 am
CRL
- ORD
3 stops35h 30m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sun 7/56:00 pm
ORD
- BRU
Nonstop8h 00m
United Airlines
Tue 7/1410:15 am
BRU
- ORD
Nonstop8h 45m
United Airlines
Deal found 5/29![United Airlines logo]()
$1,132
This Delta deal was found by Cheapflights users on 5/28. 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.
Sun 7/512:50 pm
MDW
- BRU
1 stop11h 50m
Delta
Tue 7/149:45 am
BRU
- MDW
2 stops15h 40m
Delta
Deal found 5/28![Delta logo]()
$1,151
This Mytrip deal was found by Cheapflights users on 5/28. 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.
Sun 8/99:00 pm
ORD
- CRL
1 stop17h 15m
Multiple Airlines
Wed 8/199:20 am
CRL
- ORD
1 stop11h 40m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$919
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:30 pm
ORD
- BRU
1 stop13h 45m
United Airlines
Fri 7/316:20 am
BRU
- ORD
1 stop11h 40m
United Airlines
Deal found 5/25![United Airlines logo]()
$1,138
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:41 pm
MDW
- BRU
1 stop11h 59m
Delta
Wed 7/156:20 am
BRU
- MDW
2 stops19h 05m
Delta
Deal found 5/27![Delta logo]()
$1,155
This Mytrip deal was found by Cheapflights users on 5/28. 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.
Sun 7/59:50 am
ORD
- CRL
2 stops28h 25m
Multiple Airlines
Tue 7/141:50 pm
CRL
- ORD
2 stops33h 10m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$929
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 pm
ORD
- BRU
2 stops13h 40m
Delta
Fri 7/316:20 am
BRU
- ORD
2 stops17h 52m
Delta
Deal found 5/25![Delta logo]()
$1,164
This Mytrip deal was found by Cheapflights users on 5/29. 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.
Wed 9/99:00 pm
ORD
- CRL
2 stops18h 15m
Multiple Airlines
Sun 9/2011:40 am
CRL
- ORD
2 stops33h 20m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$933
This Delta deal was found by Cheapflights users on 5/29. 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.
Mon 7/139:19 am
MDW
- BRU
2 stops15h 21m
Delta
Mon 7/206:20 am
BRU
- MDW
2 stops19h 05m
Delta
Deal found 5/29![Delta logo]()
$1,230
This Kiwi.com deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:30 pm
ORD
- CRL
1 stop32h 00m
Multiple Airlines
Fri 8/77:45 pm
CRL
- ORD
2 stops29h 05m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$955
This Delta deal was found by Cheapflights users on 5/29. 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.
Wed 7/159:49 am
MDW
- BRU
2 stops14h 46m
Delta
Mon 7/206:20 am
BRU
- MDW
2 stops19h 05m
Delta
Deal found 5/29![Delta logo]()
$1,234
This Kiwi.com deal was found by Cheapflights users on 5/30. 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.
Thu 10/14:55 pm
ORD
- CRL
1 stop14h 15m
Multiple Airlines
Tue 10/1312:20 pm
CRL
- ORD
1 stop33h 05m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$986
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:41 pm
MDW
- BRU
1 stop11h 59m
Delta
Sun 8/309:45 am
BRU
- MDW
1 stop13h 30m
Delta
Deal found 5/25![Delta logo]()
$1,342
This Icelandair deal was found by Cheapflights users on 5/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/114:50 pm
MDW
- BRU
2 stops13h 05m
Multiple Airlines
Tue 11/1012:50 pm
BRU
- MDW
2 stops16h 50m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,111
This Mytrip deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:25 pm
ORD
- BRU
3 stops27h 00m
Multiple Airlines
Fri 7/3110:20 am
BRU
- ORD
2 stops18h 45m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,166
Last-minute flights from Chicago to BrusselsDiscover last-minute flight deals from Chicago to Brussels. Data last updated May 30, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Brussels. Data last updated May 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/26. 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 6/37:25 am
ORD
- BRU
3 stops22h 50m
Air Canada
Wed 6/109:45 am
BRU
- ORD
1 stop12h 05m
Air Canada
Deal found 5/26![Air Canada logo]()
$972
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Sat 6/68:20 pm
ORD
- BRU
2 stops28h 30m
Multiple Airlines
Fri 6/129:30 am
BRU
- ORD
2 stops17h 46m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$974
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Sat 6/63:45 pm
ORD
- CRL
2 stops16h 50m
Multiple Airlines
Fri 6/129:50 am
CRL
- ORD
2 stops19h 15m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,020
This Mytrip deal was found by Cheapflights users on 5/27. 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 6/77:25 am
ORD
- BRU
2 stops17h 25m
Multiple Airlines
Fri 6/129:30 am
BRU
- ORD
2 stops17h 46m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$895
This Mytrip deal was found by Cheapflights users on 5/27. 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 6/77:25 am
ORD
- BRU
2 stops16h 45m
Air Canada
Fri 6/129:40 am
BRU
- ORD
3 stops17h 36m
Air Canada
Deal found 5/27![Air Canada logo]()
$922
This Mytrip deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:35 pm
ORD
- BRU
2 stops18h 35m
Multiple Airlines
Thu 6/116:05 am
BRU
- ORD
3 stops41h 54m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$860
This Mytrip deal was found by Cheapflights users on 5/28. 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 6/154:37 pm
ORD
- CRL
2 stops16h 48m
Multiple Airlines
Mon 6/229:15 pm
CRL
- ORD
3 stops31h 50m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$1,026
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Wed 6/178:25 pm
ORD
- BRU
3 stops28h 25m
Air Canada
Wed 6/249:55 am
BRU
- ORD
3 stops36h 00m
Air Canada
Deal found 5/27![Air Canada logo]()
$900
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Wed 6/179:55 am
ORD
- CRL
2 stops22h 50m
Multiple Airlines
Wed 6/248:55 pm
CRL
- ORD
2 stops29h 55m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$900
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Wed 6/179:55 am
ORD
- BRU
3 stops25h 00m
Multiple Airlines
Wed 6/248:55 am
BRU
- ORD
2 stops34h 45m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$917
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Wed 6/242:15 pm
ORD
- CRL
2 stops18h 30m
Multiple Airlines
Mon 8/248:15 am
CRL
- ORD
2 stops20h 10m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$897
This Mytrip deal was found by Cheapflights users on 5/27. 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.
Wed 6/243:45 pm
ORD
- CRL
2 stops17h 00m
Multiple Airlines
Mon 9/148:50 am
CRL
- ORD
2 stops16h 25m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,041
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 May 30, 2026.
Search for one-way flight options from Chicago to Brussels. Find affordable one-way fares based on user searches. Data last updated May 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
Tue 9/1511:45 am
ORD
- BRU
3 stops38h 50m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 9/1811:45 am
ORD
- BRU
3 stops38h 55m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
Wed 9/1611:45 am
ORD
- CRL
2 stops37h 55m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 9/1411:45 am
ORD
- BRU
2 stops39h 10m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
Wed 9/1611:45 am
ORD
- BRU
3 stops38h 55m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 9/1411:45 am
ORD
- CRL
2 stops37h 40m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$347
This Cheapflightsfares deal was found by Cheapflights users on 5/30. 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.
Sun 9/275:00 pm
ORD
- BRU
1 stop20h 00m
British Airways
Deal found 5/30![British Airways logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
Tue 9/157:25 pm
ORD
- CRL
2 stops13h 05m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$353
This Mytrip deal was found by Cheapflights users on 5/26. 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.
Thu 7/167:25 pm
ORD
- CRL
2 stops20h 20m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
Thu 9/177:25 pm
ORD
- CRL
2 stops13h 05m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:50 pm
ORD
- BRU
2 stops15h 20m
American Airlines
Deal found 5/30![American Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 7/1510:25 pm
ORD
- CRL
2 stops41h 20m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$357
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 May 30, 2026.
Round-trip from | $595 (Cheapflightsfares) |
|---|---|
One-way from | $313 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,223 |
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 May 30, 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
Sun 8/30
7:15 pm-2:35 pm
1 stop12h 20m
Brussels Bruxelles-National
Sun 10/4
10:20 am-4:10 pm
1 stop12h 50m
$728
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Tue 9/1
6:00 am-2:35 pm
2 stops25h 35m
Brussels Bruxelles-National
Sun 10/4
3:15 pm-4:10 pm
1 stop31h 55m
$743
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Mon 8/10
9:50 am-8:35 pm
2 stops27h 45m
Charleroi Brussels
Fri 8/21
9:50 am-7:52 pm
2 stops17h 02m
$811
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Tue 8/4
7:25 pm-10:55 pm
2 stops20h 30m
Charleroi Brussels
Wed 9/2
5:35 pm-2:25 pm
1 stop27h 50m
$848
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Sun 8/2
9:00 pm-9:15 pm
1 stop17h 15m
Charleroi Brussels
Wed 9/2
5:35 pm-2:25 pm
1 stop27h 50m
$876
ChicagoBrussels
ORD - BRU
ORDBRU
Chicago O'Hare Intl
Mon 8/31
11:25 am-9:55 am
1 stop15h 30m
Brussels Bruxelles-National
Sat 10/3
6:50 pm-9:40 am
1 stop21h 50m
$887
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Sun 10/11
3:45 pm-2:30 pm
2 stops15h 45m
Charleroi Brussels
Tue 11/10
11:00 am-3:30 pm
3 stops35h 30m
$900
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Sun 8/9
9:00 pm-9:15 pm
1 stop17h 15m
Charleroi Brussels
Wed 8/19
9:20 am-2:00 pm
1 stop11h 40m
$919
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Sun 7/5
9:50 am-9:15 pm
2 stops28h 25m
Charleroi Brussels
Tue 7/14
1:50 pm-4:00 pm
2 stops33h 10m
$929
ChicagoBrussels
ORD - CRL
ORDCRL
Chicago O'Hare Intl
Wed 9/9
9:00 pm-10:15 pm
2 stops18h 15m
Charleroi Brussels
Sun 9/20
11:40 am-2:00 pm
2 stops33h 20m
$933
Showing 1-10 of 56 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 July is currently the most expensive (average of $468). 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 May 30, 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 May 30, 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 35 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 May 30, 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.
Food
6.7
Overall
7.4
Boarding
7.6
Crew
8.0
Comfort
7.3
Entertainment
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Food
6.7
Overall
7.4
Boarding
7.6
Crew
8.0
Comfort
7.3
Entertainment
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Food
6.7
Overall
7.4
Boarding
7.6
Crew
8.0
Comfort
7.3
Entertainment
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Food
6.7
Overall
7.4
Boarding
7.6
Crew
8.0
Comfort
7.3
Entertainment
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
BOS - CPH
Food
6.7
Overall
7.4
Boarding
7.6
Crew
8.0
Comfort
7.3
Entertainment
6.7
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Chicago to Brussels
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Complete your trip
Complete your trip to Brussels by adding a car rental and/or hotel reservation to your travel itinerary.
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 May 30, 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 May 30, 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 May 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$418 | Average$604 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$444 | Average$463 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$448 | Average$598 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$531 | Average$751 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$582 | Average$718 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$642 | Average$1,222 | 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% |