$479 Cheap Flights from Chicago (ORD) to Brussels (BRU)

View $479 flight on Thu, Jul 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 $479 for one-way flights and $581 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, Jan 15 - Tue, Jan 19
ORD
Chicago
BRU
Brussels
$581 Roundtrip, found 2 days ago
$581
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Jan 15 from Chicago to Brussels, returning Tue, Jan 19, priced at $581 found 2 days ago
Turkish Airlines
Tue, Sep 8 - Fri, Dec 11
ORD
Chicago
BRU
Brussels
$659 Roundtrip, found 10 hours ago
$659
Roundtrip
found 10 hours ago
Select Turkish Airlines flight, departing Tue, Sep 8 from Chicago to Brussels, returning Fri, Dec 11, priced at $659 found 10 hours ago
Aer Lingus
Wed, Sep 9 - Thu, Sep 17
ORD
Chicago
BRU
Brussels
$773 Roundtrip, found 10 hours ago
$773
Roundtrip
found 10 hours ago
Select Aer Lingus flight, departing Wed, Sep 9 from Chicago to Brussels, returning Thu, Sep 17, priced at $773 found 10 hours ago
TAP Portugal
Sun, Nov 1 - Wed, Nov 11
ORD
Chicago
BRU
Brussels
$785 Roundtrip, found 17 hours ago
$785
Roundtrip
found 17 hours ago
Select TAP Portugal flight, departing Sun, Nov 1 from Chicago to Brussels, returning Wed, Nov 11, priced at $785 found 17 hours ago
Icelandair
Wed, Dec 2 - Sun, Dec 13
ORD
Chicago
BRU
Brussels
$840 Roundtrip, found 1 day ago
$840
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Dec 2 from Chicago to Brussels, returning Sun, Dec 13, priced at $840 found 1 day ago
United
Mon, Jan 4 - Fri, Jan 15
ORD
Chicago
BRU
Brussels
$968 Roundtrip, found 6 days ago
$968
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jan 4 from Chicago to Brussels, returning Fri, Jan 15, priced at $968 found 6 days ago
United
Mon, Feb 1 - Tue, Feb 9
ORD
Chicago
BRU
Brussels
$972 Roundtrip, found 4 days ago
$972
Roundtrip
found 4 days ago
Select United flight, departing Mon, Feb 1 from Chicago to Brussels, returning Tue, Feb 9, priced at $972 found 4 days ago
American Airlines
Wed, Feb 24 - Wed, Mar 3
ORD
Chicago
BRU
Brussels
$980 Roundtrip, found 18 hours ago
$980
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Feb 24 from Chicago to Brussels, returning Wed, Mar 3, priced at $980 found 18 hours ago
British Airways
Wed, Feb 10 - Wed, Feb 24
ORD
Chicago
BRU
Brussels
$988 Roundtrip, found 17 hours ago
$988
Roundtrip
found 17 hours ago
Select British Airways flight, departing Wed, Feb 10 from Chicago to Brussels, returning Wed, Feb 24, priced at $988 found 17 hours ago
Delta
Mon, Jan 4 - Fri, Jan 15
ORD
Chicago
BRU
Brussels
$989 Roundtrip, found 6 days ago
$989
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Jan 4 from Chicago to Brussels, returning Fri, Jan 15, priced at $989 found 6 days ago

Alternative airports near Brussels

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Brussels - National BRU. Cheapest and Closest option available. Average driving time to city center is 15 minutes. Flights from $790
BRU
Brussels - National
CheapestClosest
Average driving time to city center15 min
Flights from $790

Find the cheapest month to fly from Chicago (ORD) to Brussels (BRU)

November is typically the cheapest month to fly

From $493 - $666 per traveler.

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) cost?
You can find cheap one-way flights from $479 and cheap return flights from $581 Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) with Expedia. One-way flights usually range from $499 to $6379, and return flights typically cost between $987 and $7044. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
September is the cheapest month to fly from Chicago, IL (ORD) to Brussels (BRU), with average round-trip fares around $757. This is about 33% lower than the average price throughout the year, as demand typically decreases after the summer travel season. Other budget-friendly months include January and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
United offers around 7 weekly direct flights from ORD to BRU.
What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
United is one of the cheapest airlines offering nonstop flights from O'Hare Intl. (ORD) to Brussels - National (BRU), with round-trip tickets starting from around $692. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
The best airline to fly with from Chicago, IL (ORD) to Brussels (BRU) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United offers the most daily flights from Chicago to Brussels, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
The best time to fly from Chicago, IL (ORD) to Brussels (BRU) is typically in September and January, with average return flight prices around $757. September is also a popular month, ensuring you have plenty of options. September and January are great for budget-conscious travelers, while September offers a vibrant travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
There are approximately 1 nonstop flights per day from O'Hare Intl. (ORD) to Brussels - National (BRU). For more options, look at flights that include layovers.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
The earliest flight from Chicago, IL (ORD) to Brussels (BRU) typically leaves at around 5:35 AM, operated by Delta. This seasonal service runs in June and July, allowing you to arrive in Brussels early in the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
The most popular departure times for flights from Chicago O'Hare International Airport (ORD) to Brussels - National (BRU) are in the late afternoon to early evening, from 3pm to 6pm. About 45% of passengers prefer this time window. Many major carriers, including United, Aer Lingus, and Brussels Airlines, offer flights during this window. This timing works well because it allows you to arrive in Brussels in the morning, ready to start your day.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
Flying nonstop from ORD to BRU takes around 8 hours, with the route covering approximately 4,148 miles. Flights with a layover typically take 4 hours 20 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
Business class seats are offered on the ORD to BRU route. Airlines that offer business class service on this route include:

  • SAS
  • Swiss International Air Lines
  • British Airways
  • United Airlines
  • Turkish Airlines
  • Icelandair
  • KLM
  • TAP Portugal
  • Air Canada
  • Finnair

First class cabins are available on:

  • Swiss International Air Lines
  • Lufthansa
  • United Airlines

How much is a business class flight from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
A direct, return business class ticket from Chicago, IL (ORD) to Brussels (BRU) typically costs between $7,208 - $13,114. A non-stop, one-way business class flight is usually around $6,193 - $6,693. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Brussels from O'Hare Intl. (ORD)?
From O'Hare Intl. (ORD), you can fly into Brussels - National (BRU) to reach Brussels. Some flights may connect through major hubs like Logan Intl. (BOS), Pearson Intl. (YYZ), John F. Kennedy Intl. (JFK) before reaching Brussels. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) Brussels Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Brussels (BRU-Brussels - National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Brussels - National
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$580
Distance
4147 mi
Average flight time
8 hours 5 mins

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 January. 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 $479 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.

*Available to One Key members.

 

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