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Cheap flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport from £373

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — ORD
1 May — 8 May1
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 1 April 2026.

Wed 22/410:20
BRU
-
ORD
1 stop15h 55m
Aer Lingus
Mon 27/415:45
ORD
-
BRU
1 stop10h 55m
Aer Lingus
Deal found 29/3£532
Mon 13/410:25
BRU
-
ORD
1 stop11h 05m
KLM
Sun 26/411:19
ORD
-
BRU
1 stop13h 21m
KLM
Deal found 30/3£559
Mon 13/408:05
BRU
-
ORD
1 stop13h 25m
Delta
Sun 26/407:10
ORD
-
BRU
1 stop17h 30m
Delta
Deal found 28/3£560
Sat 11/406:20
BRU
-
ORD
1 stop14h 55m
Delta
Fri 24/411:08
ORD
-
BRU
2 stops15h 32m
Delta
Deal found 28/3£561
Fri 10/406:20
BRU
-
ORD
1 stop14h 55m
Delta
Thu 23/405:15
ORD
-
BRU
2 stops19h 20m
Delta
Deal found 27/3£562
Sun 12/406:20
BRU
-
ORD
2 stops17h 23m
Delta
Sun 26/411:19
ORD
-
BRU
1 stop13h 21m
Delta
Deal found 29/3£563
Sat 9/509:45
BRU
-
ORD
1 stop17h 39m
Delta
Mon 25/507:00
ORD
-
BRU
2 stops17h 35m
Delta
Deal found 27/3£564
Sat 23/506:20
BRU
-
ORD
2 stops15h 37m
Delta
Fri 5/610:25
ORD
-
BRU
2 stops14h 10m
Delta
Deal found 28/3£565
Sat 23/513:50
BRU
-
ORD
1 stop11h 25m
Icelandair
Sat 30/522:25
ORD
-
BRU
1 stop31h 30m
Icelandair
Deal found 31/3£569

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 1 April 2026.

Round-trip from

£532

One-way from

£373

Popular in

July

Cheapest in

October

Average price

£539

Good round-trip deal

£583 or less
Aer Lingus
  • Aer Lingus
  • 22/4-27/4
  • 2 total stops
  • 26h 50m total
  • Brussels to Chicago
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Finnair
  • Finnair
  • 24/9
  • 1 total stop
  • 18h 20m total
  • Brussels to Chicago
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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Price to beat on a round-trip flight from Brussels Bruxelles-National to Chicago O'Hare Intl.
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 1 April 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

Mon 13/4

10:25-14:30

1 stop11h 05m

Chicago O'Hare Intl

Sun 26/4

06:50-07:35

2 stops17h 45m

£561

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 22/4

06:20-14:30

1 stop15h 10m

Chicago O'Hare Intl

Mon 27/4

12:14-09:40

2 stops14h 26m

£561

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Wed 20/5

10:25-14:30

1 stop11h 05m

Chicago O'Hare Intl

Fri 5/6

08:10-07:40

1 stop16h 30m

£561

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Sun 12/4

10:35-20:23

2 stops16h 48m

Chicago O'Hare Intl

Sat 25/4

11:08-09:50

2 stops15h 42m

£564

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 4/5

08:30-12:55

1 stop11h 25m

Chicago O'Hare Intl

Fri 15/5

10:00-07:45

2 stops14h 45m

£613

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Thu 16/4

09:30-14:50

1 stop12h 20m

Chicago O'Hare Intl

Wed 29/4

18:10-13:15

1 stop12h 05m

£613

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 20/4

14:25-19:55

1 stop12h 30m

Chicago O'Hare Intl

Fri 24/4

11:00-07:15

2 stops13h 15m

£613
Fastest return journey

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Mon 13/4

10:30-14:50

1 stop11h 20m

Chicago O'Hare Intl

Sun 26/4

17:55-09:00

Nonstop8h 05m

£614

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Fri 8/5

08:30-14:50

1 stop13h 20m

Chicago O'Hare Intl

Fri 15/5

10:00-07:45

2 stops14h 45m

£615

BrusselsChicago

BRU - ORD

BRUORD

Brussels Bruxelles-National

Tue 12/5

14:25-23:44

2 stops16h 19m

Chicago O'Hare Intl

Tue 19/5

14:40-13:15

2 stops15h 35m

£617

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

Use this chart to determine the optimal time to book a return flight from Bruxelles-National to O'Hare Intl. Price data was last updated on 13 March 2026.

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 58 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, June is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport (average of £371). Flying from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport in January is currently the most expensive (average of £421). 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 1 April 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 10m. The distance from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport is about 4145 mi.

  • 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 (83%), Air Canada (82%), Austrian Airlines (82%).

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

    On average you can expect to pay £871 for a flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport. The cheapest flight overall is £558 while the most popular route, (Brussels Bruxelles-National - Chicago O'Hare Intl) is currently priced at £580.

  • 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, June is the cheapest month in which you can book a flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport (average of £371). Flying from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport in January is currently the most expensive (average of £421). 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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