Find cheap flights from Chicago to Brussels - Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Brussels:

• Earliest: departs at 5:50 pm and lands at 1:53 am
• Latest: departs at 7:00 pm and lands at 3:03 am.

The flight takes about 8h 03m.

Four cabin classes are available on flights from Chicago O'Hare Intl Airport to Brussels:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Chicago O'Hare Intl Airport to Brussels takes 8h 03m, covering 4,142 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Chicago O'Hare Intl Airport to Brussels range from $609 to $1,168, with an average of $836 over the past 12 months. Anything below $609 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 19% above the $836 route average. Book 6 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $502 round-trip via Lisbon Humberto Delgado (LIS), compared to $1,264 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $75–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Evening is the busiest departure period on Chicago O'Hare Intl Airport to Brussels flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

Since Brussels is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Brussels Bruxelles-National Airport (BRU) — daily rates from around $20:

• Hertz
• Alamo
• keddy by Europcar
• Europcar
• Sixt

Near Charleroi Brussels Airport (CRL) — daily rates from around $22:

• keddy by Europcar
• Europcar
• Hertz
• Sixt
• Thrifty

Flights from Chicago O'Hare Intl Airport to Brussels usually depart from Chicago O'Hare Intl (ORD) and may arrive at several airports in Brussels area, including Brussels Bruxelles-National (BRU) and Charleroi Brussels (CRL).

One-stop flights from Chicago O'Hare Intl Airport to Brussels most commonly connect through:

• Kastrup Copenhagen (CPH) - 44% of one-stop connections
• Dublin (DUB) - 21% of one-stop connections
• Reykjavik Keflavik Intl (KEF) - 16% of one-stop connections
• Lisbon Humberto Delgado (LIS) - 10% of one-stop connections

Yes. Flexible dates can save you up to 29% on flights from Chicago O'Hare Intl Airport to Brussels. Monday is the cheapest departure day at $691 round-trip on average, while Tuesday is the most expensive at $971, a difference of $280.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only United Airlines operates flights between Chicago O'Hare Intl Airport and Brussels.

Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 11h 11m, compared with 12h 25m via Frankfurt am Main (FRA) and 13h 37m via Dublin (DUB).

Brussels is 7 hours ahead of Chicago O'Hare Intl Airport (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Brussels are Grand Place, King Baudouin Stadium and Brussels Exhibition Centre. These are among the most viewed places in Brussels on KAYAK.

Among airlines operating Chicago O'Hare Intl Airport to Brussels flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Lufthansa: a cabin bag and a checked bag in Economy Class
• Brussels Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

For trips under 90 days for tourism purposes, a visa is not necessary. However, if your travel is intended for other purposes, a visa may be required. Please ensure that your passport remains valid for at least three months beyond your intended stay. Additionally, be prepared to provide evidence of sufficient funds and possess a return plane ticket as part of the travel requirements.

For starters, this is a great way to fly to the beautiful town of Charleroi and neighboring towns like Farciennes and Courcelles without having to make the long drive from Brussels Airport (BRU) after your flight. Since there is a one-stop flight available to this airport aboard Air France, the trip from Chicago is actually quite easy.

By far, your fastest journey from this airport is going to be aboard Delta Air Lines, which offers a two-stop flight that has layovers at Detroit Metropolitan Wayne County Airport (DTW) and Amsterdam Airport Schiphol (AMS). Even with the stops, your trip time is only increased by only a couple of hours compared to a typical one-stop flight from Chicago O' Hare International Airport (ORD).

The Air Canada Signature Service presents passengers with an exceptional premium travel experience centered around the Air Canada Signature Class cabin. This exclusive service ensures a seamless airport journey with dedicated check-in counters, fast-track security clearance, access to luxurious lounges, priority boarding, and baggage handling, along with various other benefits. Onboard, Air Canada Signature Class customers receive exclusive service and a wide array of amenities, promising a truly exceptional and memorable journey from start to finish.