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Cheap flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport from £378

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — ORD
28 Jul — 4 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Brussels Bruxelles-National to Chicago O'Hare Intl are usually found in October or November, booked 59 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Bruxelles-National to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Bruxelles-National to O'Hare Intl
Explore the most affordable flight options available from Bruxelles-National to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 June 2026.

Wed 2/906:20
BRU
-
ORD
1 stop15h 10m
Delta
Fri 11/907:35
ORD
-
BRU
2 stops17h 00m
Delta
Deal found 27/6£599
Fri 23/1005:45
BRU
-
ORD
1 stop17h 25m
Scandinavian Airlines
Sun 25/1020:15
ORD
-
BRU
1 stop17h 35m
Scandinavian Airlines
Deal found 25/6£602
Wed 12/813:50
BRU
-
ORD
1 stop11h 25m
Icelandair
Mon 17/819:25
ORD
-
BRU
1 stop10h 30m
Icelandair
Deal found 28/6£605
Thu 9/714:25
BRU
-
ORD
1 stop12h 30m
United Airlines
Wed 22/718:00
ORD
-
BRU
Nonstop8h 00m
United Airlines
Deal found 25/6£606
Thu 13/810:30
BRU
-
ORD
1 stop11h 25m
United Airlines
Tue 25/813:30
ORD
-
BRU
1 stop11h 15m
United Airlines
Deal found 26/6£607
Thu 16/714:25
BRU
-
ORD
1 stop12h 30m
United Airlines
Sat 25/718:15
ORD
-
BRU
1 stop18h 45m
United Airlines
Deal found 27/6£607
Thu 16/710:30
BRU
-
ORD
1 stop11h 25m
United Airlines
Thu 30/716:30
ORD
-
BRU
1 stop20h 30m
United Airlines
Deal found 24/6£608
Sat 25/710:15
BRU
-
ORD
Nonstop8h 45m
United Airlines
Tue 4/818:45
ORD
-
BRU
1 stop11h 30m
United Airlines
Deal found 28/6£612
Fri 10/710:15
BRU
-
ORD
Nonstop8h 45m
United Airlines
Thu 23/718:15
ORD
-
BRU
1 stop12h 00m
United Airlines
Deal found 26/6£613
Sat 11/710:15
BRU
-
ORD
Nonstop8h 45m
United Airlines
Fri 24/721:40
ORD
-
BRU
1 stop32h 35m
United Airlines
Deal found 27/6£613

Find flight deals from Bruxelles-National to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bruxelles-National (BRU) to O'Hare Intl (ORD). 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 28 June 2026.

Round-trip from

£599

One-way from

£378

Popular in

July

Cheapest in

October

Average price

£620
Delta
  • Delta
  • 2/9-11/9
  • 3 total stops
  • 32h 10m total
  • Brussels to Chicago
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British Airways
  • British Airways
  • 9/10
  • 1 total stop
  • 23h 20m total
  • Brussels to Chicago
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Bruxelles-National to O'Hare Intl 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 858,174 searches. Data last updated 28 June 2026.
Use the filters below to find and compare flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 23/10

05:45-16:10

1 stop17h 25m

Chicago O'Hare Intl

Sun 25/10

20:15-19:50

1 stop17h 35m

£604

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 13/8

10:30-14:55

1 stop11h 25m

Chicago O'Hare Intl

Mon 24/8

16:30-13:15

1 stop13h 45m

£607

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 17/8

08:35-12:55

1 stop11h 20m

Chicago O'Hare Intl

Sun 30/8

15:55-13:15

2 stops14h 20m

£607

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 16/8

06:20-11:00

1 stop11h 40m

Chicago O'Hare Intl

Tue 1/9

11:15-07:15

1 stop13h 00m

£608

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 22/7

14:25-19:55

1 stop12h 30m

Chicago O'Hare Intl

Sun 2/8

07:00-07:45

2 stops17h 45m

£608

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 23/10

06:20-11:00

1 stop11h 40m

Chicago O'Hare Intl

Sun 25/10

19:00-08:55

Nonstop7h 55m

£608

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 15/7

08:30-12:55

1 stop11h 25m

Chicago O'Hare Intl

Sun 26/7

18:00-09:00

Nonstop8h 00m

£608
Fastest return journey

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 22/7

10:15-12:00

Nonstop8h 45m

Chicago O'Hare Intl

Wed 12/8

18:00-09:00

Nonstop8h 00m

£612

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 27/7

10:15-12:00

Nonstop8h 45m

Chicago O'Hare Intl

Tue 4/8

18:45-13:15

1 stop11h 30m

£612

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 2/9

10:15-12:00

Nonstop8h 45m

Chicago O'Hare Intl

Fri 11/9

18:00-09:00

Nonstop8h 00m

£613

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Bruxelles-National to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Bruxelles-National with our price prediction graph.
Estimated return 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 Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport

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

To ensure you get the cheapest price possible for a flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport (average of £515). Flying from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £705). 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 BRU to ORD?

Find hourly flight availability from Bruxelles-National to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 June 2026.

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

How much does it cost for a return flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Bruxelles-National to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport will take you 11h 25m. The distance from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport is about 4145 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport on time: Emirates (75%), Thomas Cook Airlines Belgium (75%), Lufthansa (73%).

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

    Yes. In addition to deals on Bruxelles-National to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bruxelles-National to O'Hare Intl?

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

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

    Yes. Cheapflights offers flight deals from Bruxelles-National to O'Hare Intl 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 Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport (average of £515). Flying from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £705). 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

Travelling to a place near Chicago O'Hare Intl Airport?

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Can Cheapflights find flights from Bruxelles-National to O'Hare Intl with no change fees?

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Can Cheapflights notify me if prices for flights from Bruxelles-National to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on Bruxelles-National to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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