$380 Cheap Flights from Chicago (ORD) to Brussels (BRU)

View $380 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Brussels Airport (BRU)

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Cheap Flights from Chicago to Brussels (ORD-BRU)

Prices were available within the past 7 days and start at $380 for one-way flights and $440 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, Mar 4 - Mon, Mar 9
ORD
Chicago
BRU
Brussels
$440 Roundtrip, found 20 hours ago
$440
Roundtrip
found 20 hours ago
Select Aer Lingus flight, departing Wed, Mar 4 from Chicago to Brussels, returning Mon, Mar 9, priced at $440 found 20 hours ago
Scandinavian Airlines
Mon, Mar 9 - Fri, Mar 13
ORD
Chicago
BRU
Brussels
$493 Roundtrip, found 6 hours ago
$493
Roundtrip
found 6 hours ago
Select Scandinavian Airlines flight, departing Mon, Mar 9 from Chicago to Brussels, returning Fri, Mar 13, priced at $493 found 6 hours ago
TAP Portugal
Sun, Apr 12 - Fri, May 1
ORD
Chicago
BRU
Brussels
$545 Roundtrip, just found
$545
Roundtrip
just found
Select TAP Portugal flight, departing Sun, Apr 12 from Chicago to Brussels, returning Fri, May 1, priced at $545 just found
Icelandair
Thu, Apr 9 - Thu, Apr 16
ORD
Chicago
BRU
Brussels
$620 Roundtrip, found 5 hours ago
$620
Roundtrip
found 5 hours ago
Select Icelandair flight, departing Thu, Apr 9 from Chicago to Brussels, returning Thu, Apr 16, priced at $620 found 5 hours ago
Turkish Airlines
Sun, May 10 - Fri, May 22
ORD
Chicago
BRU
Brussels
$645 Roundtrip, found 5 days ago
$645
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Sun, May 10 from Chicago to Brussels, returning Fri, May 22, priced at $645 found 5 days ago
United
Wed, May 6 - Wed, May 13
ORD
Chicago
BRU
Brussels
$749 Roundtrip, just found
$749
Roundtrip
just found
Select United flight, departing Wed, May 6 from Chicago to Brussels, returning Wed, May 13, priced at $749 just found
United
Wed, May 6 - Wed, May 13
ORD
Chicago
BRU
Brussels
$753 Roundtrip, just found
$753
Roundtrip
just found
Select United flight, departing Wed, May 6 from Chicago to Brussels, returning Wed, May 13, priced at $753 just found
Air Canada
Wed, May 6 - Wed, May 13
ORD
Chicago
BRU
Brussels
$759 Roundtrip, just found
$759
Roundtrip
just found
Select Air Canada flight, departing Wed, May 6 from Chicago to Brussels, returning Wed, May 13, priced at $759 just found
American Airlines
Tue, Nov 10 - Thu, Nov 19
ORD
Chicago
BRU
Brussels
$762 Roundtrip, found 3 days ago
$762
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Nov 10 from Chicago to Brussels, returning Thu, Nov 19, priced at $762 found 3 days ago
Delta
Mon, Apr 13 - Fri, May 1
ORD
Chicago
BRU
Brussels
$766 Roundtrip, just found
$766
Roundtrip
just found
Select Delta flight, departing Mon, Apr 13 from Chicago to Brussels, returning Fri, May 1, priced at $766 just found

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From $396 - $1,011 per traveler.

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU) cost?
Grab a cheap one-way flight from $380 or cheap return flight from $440 from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU)?
The cheapest month to fly from ORD to BRU is March, when demand is low. Off-peak season is usually when you'll find cheap fares for travel between these airports.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU)?
When flying out of O'Hare Intl. Airport (ORD), you can catch a direct flight to Brussels - National Airport (BRU) with United Airlines.
How many flights per day from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU)?
On average, O'Hare Intl. Airport (ORD) only offers 1 direct flight to Brussels - National Airport (BRU) per day. For more choices, try our easy-to-use filter tool. Enter your travel details, then click on "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU)?
Flights between ORD and BRU tend to be busiest at 5 PM. If you'd like a more relaxed atmosphere and potentially cheaper prices, look for a time outside the usual busy windows.
What day of the week has the most flights from ORD to BRU?
If you fly on a Friday, you'll get the widest range of options for flights from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU)?
The earliest flight taking off from O'Hare Intl. Airport (ORD) is at around 5:55PM UTC-6. Catch this flight and you'll arrive at Brussels - National Airport (BRU) at approximately 8:55AM UTC+1. The total travel time is 8h.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU)?
Flights from ORD to BRU have an average travel time of 8 hours. The total distance between the two is 4,200 mi.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU)?
To reach Brussels - National Airport (BRU) on time, pick a flight that takes off from O'Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Brussels from O'Hare Intl. Airport (ORD)?
Browse your flight options from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU). This is the only airport in Brussels you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU) last-minute?
Last-minute fares from ORD to BRU are usually more expensive. To lock in the best prices, start searching for flights as soon as possible. That said, if you're flexible with your travel plans, you may find a cheap ticket just before your departure.
Is it cheaper to book an ORD to BRU flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to BRU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Brussels - National Airport (BRU)?
In most cases, you can reschedule or cancel your ORD to BRU flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more details, go to our Customer Service portal.

Travel information

0
Origin airport
O'Hare Intl.
Destination airport
Brussels - National
Airlines serving
Aer Lingus, Air Canada, Air Europa, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$440
Distance
4147 mi

Book with confidence

Chicago to Brussels Flights

The cheapest times to fly from Chicago to Brussels

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Brussels are during the month of March. You can find some of the cheapest flights from Chicago to Brussels with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Brussels

Sunday is one of the best days to book for cheap flights from Chicago to Brussels: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Brussels

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Brussels in 2026. You can also book with separate airlines for your outbound and return journeys, from $380 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Brussels flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Brussels airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Brussels Flights

*Flight schedules are subject to change.

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