Brussels

$358+ Cheap flights from O'Hare Intl (ORD) to Brussels

ORD — BRU
Dec 4 — Dec 111
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Brussels are usually found in April or October, booked 36 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Brussels

Cheapest flights from O'Hare Intl to Brussels

Mon 11/96:30 pm -
1 stop10h 25m
Tue 11/1712:50 pm -
1 stop11h 30m
Deal found 11/2$588
Mon 11/306:30 pm -
1 stop10h 25m
Tue 12/812:50 pm -
1 stop11h 30m
Deal found 11/2$602
Wed 12/96:30 pm -
1 stop10h 25m
Tue 12/1512:50 pm -
1 stop11h 30m
Deal found 10/31$603
Mon 11/306:30 pm -
1 stop10h 25m
Tue 12/1512:50 pm -
1 stop11h 30m
Deal found 11/1$605
Mon 11/96:30 pm -
1 stop10h 25m
Thu 11/1912:50 pm -
1 stop11h 30m
Deal found 11/2$629
Sun 11/296:30 pm -
3 stops33h 20m
Tue 12/86:15 am -
3 stops18h 05m
Deal found 10/31$636
Wed 12/26:30 pm -
1 stop10h 25m
Thu 12/1012:50 pm -
1 stop11h 30m
Deal found 10/30$639
Tue 12/16:30 pm -
3 stops18h 20m
Tue 12/88:30 pm -
3 stops27h 50m
Deal found 11/1$647
Wed 12/26:30 pm -
1 stop10h 25m
Sun 12/612:50 pm -
1 stop11h 30m
Deal found 11/1$654

Find flight deals from O'Hare Intl to Brussels

Round-trip from

$602
(Gotogate)

One-way from

$358
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$713
From Chicago O'Hare Intl to Brussels
One-way flight from Chicago O'Hare Intl to Brussels
Highest demand for flights based on searches. 22% potential increase in price ($260 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Wed 12/2

7:00 pm-6:40 pm

3 stops40h 40m

Brussels Bruxelles-National

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$407

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Fri 4/30

6:10 pm-6:20 pm

2 stops41h 10m

Brussels Bruxelles-National

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$524

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Tue 1/26

8:15 pm-10:25 pm

2 stops43h 10m

Brussels Bruxelles-National

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$557

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Mon 1/4

11:45 am-10:35 am

1 stop15h 50m

Brussels Bruxelles-National

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$566

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Fri 1/1

11:45 am-2:15 pm

1 stop19h 30m

Brussels Bruxelles-National

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$606

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Sun 12/20

3:55 pm-9:40 am

1 stop10h 45m

Brussels Bruxelles-National

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$666
Quickest round-trip

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Tue 1/26

5:50 pm-8:55 am

Nonstop8h 05m

Brussels Bruxelles-National

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$729

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Sat 12/5

8:15 pm-10:35 am

1 stop31h 20m

Brussels Bruxelles-National

Fri 12/11

3:15 pm-10:00 am

1 stop25h 45m

$799

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Thu 3/25

12:45 pm-4:00 pm

2 stops21h 15m

Brussels Bruxelles-National

Thu 4/1

11:30 am-9:35 am

1 stop29h 05m

$802

ChicagoBrussels

ORD Chicago O'Hare Intl - BRU Brussels Bruxelles-National

ORDBRU

Chicago O'Hare Intl

Wed 12/2

8:15 pm-10:20 pm

1 stop19h 05m

Brussels Bruxelles-National

Sat 12/5

6:15 pm-10:00 am

1 stop22h 45m

$819

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from O'Hare Intl to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from O'Hare Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Brussels

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Brussels?

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Brussels (average of $646). Flying from Chicago O'Hare Intl Airport to Brussels in July is currently the most expensive (average of $1,398). 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 ORD to BRU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Brussels as you normally would.

Weekly flight availability from Chicago O'Hare Intl Airport to Brussels

The most flights from ORD 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 O'Hare Intl Airport to Brussels?

Airfare is below average for this route at the moment.
Chicago O'Hare Intl Airport to Brussels flights typically cost between $632 and $782 in November.
The cheapest round-trip price found within the last 5 days was $602 on Icelandair (Nov 30-Dec 8).

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Brussels?

The best time to book flights from Chicago O'Hare Intl Airport to Brussels is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Brussels

Get a feel of what it's like to fly with Scandinavian Airlines,Aer Lingus, andUnited Airlines from Chicago O'Hare Intl Airport to Brussels by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Crew

8.1

Overall

7.5

Entertainment

6.8

Boarding

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Comfort

7.4

Crew

8.1

Overall

7.5

Entertainment

6.8

Boarding

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Comfort

7.4

Crew

8.1

Overall

7.5

Entertainment

6.8

Boarding

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Comfort

7.4

Crew

8.1

Overall

7.5

Entertainment

6.8

Boarding

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Comfort

7.4

Crew

8.1

Overall

7.5

Entertainment

6.8

Boarding

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Comfort

7.4

Crew

8.1

Overall

7.5

Entertainment

6.8

Boarding

7.7

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

Related info for your journey

  • How long is the flight from Chicago O'Hare Intl Airport to Brussels?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Brussels in 8h 05m. Fly via Turkish Airlines or United Airlines to get the fastest option. The distance between Chicago O'Hare Intl Airport and Brussels is about 4145 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Brussels round-trip?

    Flying on Icelandair is currently your cheapest option to Brussels, with prices starting at $433. Additional round-trip tickets that might be worth considering are offered by TAP AIR PORTUGAL and Scandinavian Airlines, with the lowest prices starting at $444 and $477, respectively. Icelandair is priced at 52% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Brussels?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Brussels are Air Canada (77%), Austrian Airlines (77%) and Brussels Airlines (77%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Brussels?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Brussels? While on average our users pay $1,274, our data indicates the cheapest price to be $332. The most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National), is priced around $690.

  • Can I find deals for flights from O'Hare Intl to Brussels that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Brussels flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Brussels?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Brussels.

  • Can I find deals for business class flights from O'Hare Intl to Brussels?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Brussels?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Brussels (average of $646). Flying from Chicago O'Hare Intl Airport to Brussels in July is currently the most expensive (average of $1,398). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to Brussels

Top 7 airlines flying from O'Hare Intl to Brussels

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$433Average$665FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$444Average$463FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$477Average$716FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$534Average$751FlexibilityNo cancel feeOn-timeN/A
Brussels AirlinesCheapest$752Average$1,656FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$810Average$1,362FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$969Average$1,369FlexibilityNo cancel feeOn-time76%

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