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$218 Cheap Flights from Chicago (ORD) to Brussels (BRU)

View $218 flight on Wed, Feb 3, 2027Opens 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 $218 for one-way flights and $590 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, Jan 4 - Tue, Jan 12
ORD
Chicago
BRU
Brussels
$590 Roundtrip, found 2 days ago
$590
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Jan 4 from Chicago to Brussels, returning Tue, Jan 12, priced at $590 found 2 days ago
TAP Portugal
Thu, Oct 15 - Fri, Oct 23
ORD
Chicago
BRU
Brussels
$721 Roundtrip, found 1 day ago
$721
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Thu, Oct 15 from Chicago to Brussels, returning Fri, Oct 23, priced at $721 found 1 day ago
Turkish Airlines
Mon, Oct 26 - Fri, Nov 6
ORD
Chicago
BRU
Brussels
$749 Roundtrip, found 1 day ago
$749
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Mon, Oct 26 from Chicago to Brussels, returning Fri, Nov 6, priced at $749 found 1 day ago
Aer Lingus
Tue, Nov 10 - Tue, Nov 17
ORD
Chicago
BRU
Brussels
$750 Roundtrip, found 1 day ago
$750
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Tue, Nov 10 from Chicago to Brussels, returning Tue, Nov 17, priced at $750 found 1 day ago
United
Sun, Nov 1 - Tue, Dec 15
ORD
Chicago
BRU
Brussels
$779 Roundtrip, found 1 day ago
$779
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 1 from Chicago to Brussels, returning Tue, Dec 15, priced at $779 found 1 day ago
ITA Airways
Wed, Sep 23 - Tue, Oct 6
ORD
Chicago
BRU
Brussels
$782 Roundtrip, found 4 days ago
$782
Roundtrip
found 4 days ago
Select ITA Airways flight, departing Wed, Sep 23 from Chicago to Brussels, returning Tue, Oct 6, priced at $782 found 4 days ago
United
Tue, Nov 10 - Tue, Nov 17
ORD
Chicago
BRU
Brussels
$782 Roundtrip, found 1 day ago
$782
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 10 from Chicago to Brussels, returning Tue, Nov 17, priced at $782 found 1 day ago
Air Canada
Tue, Nov 10 - Tue, Nov 17
ORD
Chicago
BRU
Brussels
$789 Roundtrip, found 1 day ago
$789
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Nov 10 from Chicago to Brussels, returning Tue, Nov 17, priced at $789 found 1 day ago
American Airlines
Tue, Nov 10 - Tue, Nov 17
ORD
Chicago
BRU
Brussels
$790 Roundtrip, found 1 day ago
$790
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 10 from Chicago to Brussels, returning Tue, Nov 17, priced at $790 found 1 day ago
Lufthansa
Tue, Dec 1 - Wed, Dec 9
ORD
Chicago
BRU
Brussels
$795 Roundtrip, found 5 days ago
$795
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Dec 1 from Chicago to Brussels, returning Wed, Dec 9, priced at $795 found 5 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 $742
BRU
Brussels - National
CheapestClosest
Average driving time to city center15 min
Flights from $742

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

November is typically the cheapest month to fly

From $490 - $919 per traveler.

What you need to know for your flight from O'Hare Intl. to Brussels - National

Chicago (ORD) to Brussels (BRU) at a glance

Embark on an exciting journey from Chicago O'Hare International Airport (ORD) to Brussels National Airport (BRU) with a selection of airlines offering various options for your travel plans. Explore a range of Brussels flights, comparing full-service carriers to discover the itinerary that aligns with your budget and schedule. Whether you're eager to visit iconic attractions or immerse yourself in the vibrant neighborhoods, find the essential details for your flight to Brussels right here.

  • Fastest flight duration: around 8 hours non-stop
  • Route distance: roughly 4,200 miles (6,760 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $250–$1010, depending on seasonality and how far ahead you book

Flights from O'Hare International Airport (ORD) to Brussels - National Airport (BRU)

Based on the latest traveler bookings, here are the top airlines flying from Chicago to Brussels, favored for both non-stop and one-stop flights. Popular layover options include Kastrup Airport, CPH (approximately 2 hours and 30 minutes), Dublin Airport, DUB (around 1 hour and 45 minutes), and Keflavik International Airport, KEF (about 55 minutes). These choices provide the flexibility to mix and match price, total travel time, and cabin class, helping you find the ideal itinerary for your trip.

  • United: This full-service airline provides non-stop flights, with one-way ticket prices generally ranging from $315 to $1505. United operates about 45% of the departures on this route, and the entire travel duration is approximately 8 hours.
  • SAS: As a full-service carrier known for its one-stop flights, SAS offers one-way fares that typically fall between $250 and $765. It accounts for around 22% of the departures on this route, featuring an in-flight duration of 9 hours and 45 minutes, leading to a total travel time of about 12 hours and 15 minutes, including layover time.
  • Aer Lingus: This full-service airline provides one-stop service, with one-way fares usually priced between $265 and $655. Aer Lingus represents about 11% of the departures on this route, with an in-flight time of 9 hours and 45 minutes, resulting in a total journey time of approximately 12 hours and 15 minutes, including layover.
  • Icelandair: Offering one-stop service, this full-service airline has one-way fares typically ranging from $250 to $1210. Icelandair makes up around 8% of the departures on this route, with an in-flight duration of 9 hours and 45 minutes, leading to an overall journey time of roughly 12 hours and 15 minutes, including any layover.
  • TAP Portugal: This full-service carrier also provides one-stop flights, with one-way fares usually between $275 and $1785. TAP Portugal accounts for about 5% of the departures on this route, featuring an in-flight time of 9 hours and 45 minutes, culminating in a total journey time of around 12 hours and 15 minutes, factoring in the layover.

Travelers have the option to enhance their journey from Chicago to Brussels with upgraded seating. United and SAS both provide Business Class and Premium Economy, while Icelandair features Business Class for those seeking an elevated flight experience.

Best time to fly from Chicago (ORD) to Brussels (BRU)

The most popular months for travelers flying from Chicago to Brussels are March, April, and June, when peak temperatures in Brussels reach up to 62.8°F in June. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 39.6°F. For better deals, January usually offers the lowest average one-way fare around $445. Flight availability peaks in April and June, with approximately 10 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: January usually offers good deals with average one-way fare around $445, roughly 30% cheaper than the yearly average.
  • Another budget-friendly time to fly: February typically offers an average one-way fare of around $459.
  • Most flight options: April and June have the highest number of flights from Chicago to Brussels, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January38.3°F (3.5°C)Average8$445
February39.6°F (4.2°C)Low7$459
March44.4°F (6.9°C)High8$619
April50.2°F (10.1°C)High10$800
May55.9°F (13.3°C)Average9$742
June62.8°F (17.1°C)High10$712
July65.8°F (18.8°C)Average8$690
August65.7°F (18.7°C)Average9$521
September60.4°F (15.8°C)Average8$502
October53.6°F (12.0°C)Low7$632
November45.9°F (7.7°C)Low8$890
December40.6°F (4.8°C)Average9$704

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Chicago (ORD) to Brussels (BRU)

  • Chicago to Brussels (MDW-BRU): Located approximately 16 miles from O'Hare International Airport (ORD), Midway International Airport (MDW) serves as a convenient departure point.
  • Chicago to Antwerp (ORD-ANR): Roughly 20 miles from Brussels - National Airport (BRU), Antwerp International Airport (ANR) offers travelers access to this vibrant city.
  • Chicago to Charleroi (ORD-CRL): Brussels South Charleroi Airport (CRL) lies about 30 miles from Brussels - National Airport (BRU), providing another option for your journey.

How to find the best prices for flights from Chicago (ORD) to Brussels (BRU)

Getting some of the best deals on flights from Chicago to Brussels is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking within two weeks, although most travelers book at least two months in advance. Evening departures (6 PM to 12 AM) tend to offer lower prices, while Afternoon flights (12 PM to 6 PM) are the most popular. Additionally, flying on Thursday usually provides cheaper prices, but Wednesday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Brussels - National Airport from O'Hare International Airport

Brussels welcomes travelers from Chicago with a range of transport options based on price, convenience, and proximity. Brussels city center is approximately a 15-minute drive (covering about 10 miles) from Brussels - National Airport, depending on traffic. Here's how to reach Brussels efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Brussels, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Brussels - National Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Brussels - National Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Brussels National Airport, several key transport links are conveniently located nearby. The Zaventem Brussels-National-Airport Railway Station, a train station, is just about 0.1 miles from the airport and easily reachable on foot, while the Eurocontrol Tram Stop, a metro station, is approximately 3.3 miles away by car. Additionally, Montreux Seaport, a seaport, is located about 8.4 miles from the airport and is best accessed by car.

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 $218 and cheap return flights from $590 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

0
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
$589
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 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 $218 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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