$508 Cheap Flights from Brussels (BRU) to Chicago (ORD)

View $508 flight on Sat, May 3, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Brussels to Chicago (BRU-ORD)

Prices were available within the past 7 days and start at $508 for one-way flights and $481 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, Nov 24 - Mon, Dec 1
BRU
Brussels
ORD
Chicago
$481 Roundtrip, found 1 day ago
$481
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Nov 24 from Brussels to Chicago, returning Mon, Dec 1, priced at $481 found 1 day ago
Scandinavian Airlines
Tue, Aug 19 - Tue, Sep 2
BRU
Brussels
ORD
Chicago
$547 Roundtrip, found 8 hours ago
$547
Roundtrip
found 8 hours ago
Select Scandinavian Airlines flight, departing Tue, Aug 19 from Brussels to Chicago, returning Tue, Sep 2, priced at $547 found 8 hours ago
American Airlines
Tue, Sep 16 - Tue, Sep 23
BRU
Brussels
ORD
Chicago
$554 Roundtrip, found 3 days ago
$554
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 16 from Brussels to Chicago, returning Tue, Sep 23, priced at $554 found 3 days ago
Lufthansa
Sat, May 10 - Tue, May 13
BRU
Brussels
ORD
Chicago
$557 Roundtrip, found 5 days ago
$557
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sat, May 10 from Brussels to Chicago, returning Tue, May 13, priced at $557 found 5 days ago
Brussels Airlines
Sun, May 25 - Mon, Jun 9
BRU
Brussels
ORD
Chicago
$557 Roundtrip, found 3 days ago
$557
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Sun, May 25 from Brussels to Chicago, returning Mon, Jun 9, priced at $557 found 3 days ago
Icelandair
Wed, Oct 1 - Wed, Oct 15
BRU
Brussels
ORD
Chicago
$567 Roundtrip, found 2 days ago
$567
Roundtrip
found 2 days ago
Select Icelandair flight, departing Wed, Oct 1 from Brussels to Chicago, returning Wed, Oct 15, priced at $567 found 2 days ago
ITA Airways
Sun, Jun 15 - Sun, Aug 3
BRU
Brussels
ORD
Chicago
$567 Roundtrip, found 5 days ago
$567
Roundtrip
found 5 days ago
Select ITA Airways flight, departing Sun, Jun 15 from Brussels to Chicago, returning Sun, Aug 3, priced at $567 found 5 days ago
Austrian Airlines
Wed, Sep 10 - Thu, Sep 18
BRU
Brussels
ORD
Chicago
$573 Roundtrip, found 3 days ago
$573
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Wed, Sep 10 from Brussels to Chicago, returning Thu, Sep 18, priced at $573 found 3 days ago
Iberia
Thu, May 8 - Mon, May 12
BRU
Brussels
ORD
Chicago
$587 Roundtrip, found 2 days ago
$587
Roundtrip
found 2 days ago
Select Iberia flight, departing Thu, May 8 from Brussels to Chicago, returning Mon, May 12, priced at $587 found 2 days ago
TAP Portugal
Thu, Nov 6 - Fri, Nov 14
BRU
Brussels
ORD
Chicago
$607 Roundtrip, found 10 hours ago
$607
Roundtrip
found 10 hours ago
Select TAP Portugal flight, departing Thu, Nov 6 from Brussels to Chicago, returning Fri, Nov 14, priced at $607 found 10 hours ago
Flights from Brussels (BRU) to Chicago (ORD)
Origin airport
Brussels - National
Destination airport
O'Hare Intl.
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$480
Distance
4147 mi

Brussels to Chicago Flights

The cheapest times to fly from Brussels to Chicago

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 Brussels to Chicago are during the month of November. You can find some of the cheapest flights from Brussels to Chicago with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Brussels to Chicago

Sunday is one of the best days to book for cheap flights from Brussels to Chicago: 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 Brussels to Chicago

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 Brussels to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $508 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 Brussels to Chicago 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 Brussels to Chicago 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.

Frequently asked questions

How long does it take to fly from Brussels - National Airport (BRU) to ORD?
A direct flight with United Airlines takes roughly 8 hours and 45 minutes. Secure a seat on the 10:15AM flight from Brussels Airport and touch down at O’Hare Airport at 12:00PM. Snag a great deal on this route when you book your fare with Expedia.
Is it cheaper to buy a plane ticket from Brussels Airport to O'Hare Intl. Airport (ORD) last minute?
Booking your trip from BRU to O’Hare Airport at the last minute could save you money if you luck out and find an epic deal. However, tickets typically don’t come down in price as the departure date nears. If you hold out, flights could also be sold out or the best seats long gone. If you don’t want to risk it, book well ahead of when you want to leave. Don’t forget that some of the biggest bargains can be found up to a year in advance. If your favorite airline hasn’t released its airfares yet, check back regularly as offers are updated on Expedia all the time.
What airline has the least delays from BRU to O'Hare Airport?
Recording an on-time performance of 88%, United Airlines is the carrier that’s most likely to fly you from Brussels Airport to ORD reliably on schedule. Flight delays aren’t just frustrating — they can also cause you to miss a vital connection that upends your entire journey. Keep updated about any delays by looking up your flight status through the free Expedia App before making your way to the airport. If you’re already at your gate and your plans will be significantly impacted, visit your airline’s customer service desk to find out what your options are.
What airports do you fly into for Chicago from Brussels?
O’Hare Intl. Airport (ORD), Midway Intl. Airport (MDW) and Lewis University Airport (LOT) are your choices when taking off from Brussels to Chicago. Around 16 mi northwest of downtown Chicago, O’Hare Intl. Airport (ORD) is the city’s main gateway. Keep in mind things such as flight departure and arrival times and the distance to your hotel before choosing an airport. Wrigley Field and Millennium Park are a couple of fantastic attractions to visit when you reach your destination.
What are the most popular departure times for flights from Brussels Airport to O'Hare Intl. Airport (ORD)?
Between 10:00 AM - 11:00 AM is when you’ll find the largest number of United Airlines flights taking off from BRU to O’Hare Airport. Our suggestion? Leave earlier in the day. With air traffic yet to build up around airports, your chances of traveling on a delay-free flight are better.
Can I change the date of my flight from Brussels Airport to ORD?
It’s easy to make amendments to your Brussels Airport to ORD journey yourself. Simply go to the Expedia Trips portal and select “change flight.” Browse around for new flights and secure the one that works best with your plans. You’ll see an estimate of your flight change fee, if applicable. You can also visit our Customer Service portal to connect with our Virtual Agent and quickly get answers to all your questions.

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*Available to One Key members.