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Cheap flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport from £329

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — ORD
7 Jun — 14 Jun1
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 Tuesday or Monday 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 8 May 2026.

Wed 9/918:55
BRU
-
ORD
1 stop25h 15m
ITA Airways
Tue 15/915:00
ORD
-
BRU
1 stop12h 45m
ITA Airways
Deal found 6/5£474
Sat 10/1020:55
BRU
-
ORD
1 stop26h 05m
TAP AIR PORTUGAL
Sat 17/1018:05
ORD
-
BRU
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 8/5£501
Tue 8/920:55
BRU
-
ORD
1 stop26h 05m
TAP AIR PORTUGAL
Sat 26/918:05
ORD
-
BRU
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 8/5£542
Wed 8/718:55
BRU
-
ORD
1 stop25h 15m
ITA Airways
Thu 23/715:00
ORD
-
BRU
1 stop20h 00m
ITA Airways
Deal found 7/5£545
Sat 11/718:55
BRU
-
ORD
1 stop25h 15m
ITA Airways
Wed 22/715:00
ORD
-
BRU
1 stop12h 45m
ITA Airways
Deal found 7/5£580
Wed 8/713:50
BRU
-
ORD
1 stop14h 35m
Icelandair
Fri 24/719:25
ORD
-
BRU
1 stop10h 30m
Icelandair
Deal found 7/5£587
Wed 2/913:50
BRU
-
ORD
1 stop14h 35m
Icelandair
Fri 11/919:25
ORD
-
BRU
1 stop10h 30m
Icelandair
Deal found 5/5£587

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 8 May 2026.

Round-trip from

£474

One-way from

£329

Popular in

July

Cheapest in

October

Average price

£537
ITA Airways
  • ITA Airways
  • 9/9-15/9
  • 2 total stops
  • 38h 00m total
  • Brussels to Chicago
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Iberia
  • Iberia
  • 14/7
  • 1 total stop
  • 14h 20m total
  • Brussels to Chicago
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 8 May 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 11/9

18:55-13:10

1 stop25h 15m

Chicago O'Hare Intl

Tue 15/9

15:00-12:25

1 stop14h 25m

£474

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 9/7

06:20-14:55

1 stop15h 35m

Chicago O'Hare Intl

Sun 27/12

15:45-13:15

2 stops14h 30m

£604

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 18/9

14:25-19:55

1 stop12h 30m

Chicago O'Hare Intl

Mon 21/9

14:20-08:50

1 stop11h 30m

£604

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 21/5

10:30-14:55

1 stop11h 25m

Chicago O'Hare Intl

Sat 6/6

18:00-09:00

Nonstop8h 00m

£605

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 24/6

06:20-11:00

1 stop11h 40m

Chicago O'Hare Intl

Thu 2/7

18:00-09:00

Nonstop8h 00m

£607

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 13/9

06:20-12:55

1 stop13h 35m

Chicago O'Hare Intl

Fri 18/9

09:00-07:45

2 stops15h 45m

£607

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 26/6

06:20-14:55

1 stop15h 35m

Chicago O'Hare Intl

Sat 11/7

11:15-07:45

2 stops13h 30m

£607
Fastest return journey

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 22/6

10:15-12:00

Nonstop8h 45m

Chicago O'Hare Intl

Thu 2/7

18:00-09:00

Nonstop8h 00m

£610

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 24/9

10:15-12:00

Nonstop8h 45m

Chicago O'Hare Intl

Tue 29/9

18:00-09:00

Nonstop8h 00m

£611
Cheapest one-way

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 24/8

10:50-21:35

2 stops17h 45m

£379

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 21 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 £455). Flying from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £612). 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 8 May 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 15h 35m. 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: Lufthansa (58%), Air Canada (57%), Austrian Airlines (57%).

  • 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 £455). Flying from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £612). 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?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Elk Grove Village

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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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