The cheapest times to fly from ORD to BRU are

  • January 1st to March 25th
  • September 10th to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ORD to BRU is early November. Prices can be as high as $1235 for Saturday flights during early August, or as low as $539 for Tuesday flights around early November.


When to Fly to Brussels

Flying from Chicago, IL (ORD) to Brussels (BRU) will usually cost between $556 to $1031 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $573. Due to high demand the most expensive time to fly is early August, with an average price of $1101. Planning your trip to low-cost times can easily save you $528 on economy flights and even more on first-class flights. Generally, any price below $649 can be considered a good price for a round-trip ORD to BRU flight.

See below for a graph of average weekly prices for the ORD to BRU route. All prices are for round-trip tickets in USD.

ORD to BRU Flight Prices

Compared to other flights, the ORD to BRU flight is cheaper than the average and costs less than the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to BRU, and Wednesday the cheapest day to fly back into ORD. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $50 (7%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $677. Return trip prices are from the BRU to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ORD to BRU can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 8 hour 27 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from ORD to BRU while comparing.

Destination alternative #1: Schiphol Airport (AMS) in Amsterdam

  • 98 miles (158 km) away from BRU
  • Usually 1.85% less expensive than BRU
  • Nonstop flights available

See ORD to AMS flights


Flight Hacking ORD to BRU

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ORD to BRU — but Champion Traveler does!

Hack #1: Barcelona (ORD > BCN > BRU)

  • Price for both tickets: $510
  • Average savings: $140 (21.49%)

See ORD to BCN flights

Hack #2: London (ORD > LHR > BRU)

  • Price for both tickets: $602
  • Average savings: $47 (7.24%)

See ORD to LHR flights

Hack #3: Copenhagen (ORD > CPH > BRU)

  • Price for both tickets: $616
  • Average savings: $34 (5.16%)

See ORD to CPH flights


Flight Questions Answered

Still have questions about flying from ORD to BRU? We’ve got answers.

Which airlines fly this route?

You can find 23 major airlines flying this route most often: Aer Lingus, Air Canada, Air Europa, Air France, Alitalia, American, Austrian, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue, KLM, LOT, Lufthansa, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Brussels National Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 4148 miles or 6676 kilometers.

How long does it take to fly from ORD to BRU?

The real-world flight time for a nonstop ORD to BRU flight is about 8 hour 27 minutes.

How many flights go between Chicago, IL and Brussels?

It depends on the day of the week and the date, but a typical day might have around 80 available flights from ORD to BRU.


Airport Location Info


Departing Airport

Origination code ORD
Origination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9

Return Airport

Destination code BRU
Destination airport name Brussels National Airport
City Brussels
Country Belgium
Latitude 50.9
Longitude 4.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.