Cheap flights from Brussels Bruxelles-National Airport to Chicago from $357
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Brussels Bruxelles-National Airport to Chicago departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Lufthansa flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport
Our best Lufthansa deals on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight tickets
Aer Lingus flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport
Our best Aer Lingus deals on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight tickets
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How to get the cheapest flight ticket from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Brussels Bruxelles-National Airport and Chicago O'Hare Intl Airport?
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Brussels Bruxelles-National Airport averaging around $578.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $753. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Brussels Bruxelles-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $849.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $542 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $813. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Brussels Bruxelles-National to Chicago O'Hare Intl flight route?
Fly from Brussels Bruxelles-National to Chicago O'Hare Intl for the best Brussels Bruxelles-National - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $687 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport for as low as $577 on momondo.
What cabin class options are available on Brussels Bruxelles-National to Chicago O'Hare Intl flights?
There are 3 cabin classes available to choose from on Brussels Bruxelles-National to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flights?
You could potentially save up to 5% on your flight if you consider stops on a Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight.
How have Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport flight prices changed over time?
What is the cheapest airline that flies from Brussels Bruxelles-National to Chicago O'Hare Intl?
TAP AIR PORTUGAL, Aer Lingus, and LOT are the most popular carriers operating from Brussels Bruxelles-National to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, Lufthansa and Brussels Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 3 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport on average per day?
6 flights are operational daily from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport as of June 2025. The most popular departure time for this route is 10:00AM, with 100% of flights per day taking off at noon.
How many flights depart from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport on average per week?
As of June 2025, 42 flights take off from Brussels Bruxelles-National Airport and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport
Cheap Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport (BRU to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport
How far is Brussels Bruxelles-National to Chicago O'Hare Intl by plane?
There are 4144.8 mi between Brussels Bruxelles-National and Chicago O'Hare Intl. Typically, this will take 8h 40m by plane in normal conditions.
When did momondo last update prices for flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?
Prices for flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?
As of June 2025, there are 3 operators available to choose from for flights from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Brussels Bruxelles-National Airport and Chicago O'Hare Intl Airport, the leading plane model is Boeing 787-10 Dreamliner, making up 40.02% of the total bookings. Other popular models include Boeing 787 Dreamliner with 39.26%, Airbus A330-300 with 2.34%, and Boeing 787-9 Dreamliner with 2.17%.
What is the most popular airline from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport is United Airlines, representing 53% of all bookings. The subsequent popular airlines are Lufthansa at 26% and Brussels Airlines at 21%.
Best airlines flying from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $576 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $579 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $592 | Free Cancellation | Rating 7.4 355 reviews |
United Airlines Flights From Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport
United Airlines flies from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport around 7 times per week, with 8,790 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport in the last 72 hours was $576 (round-trip), much lower than the average airfare cost of $704 for United Airlines flights on this route.
Brussels Airlines Flights From Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport
$592 is the best Brussels Airlines flight deal from Brussels Bruxelles-National Airport to Chicago O'Hare Intl Airport found on momondo over the last 72 hours. The average Brussels Airlines ticket price found was closer to $767, however, with flight time and availability significantly affecting the price. Brussels Airlines (7.4/10 from 355 user reviews) flies into Chicago O'Hare Intl Airport from Brussels Bruxelles-National Airport 7 times in an average week so prices can vary.
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Why should I use momondo to find a flight deal from Brussels to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Brussels to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Brussels to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from Brussels with this policy.
How can momondo help me find flights from Brussels to Chicago?
momondo provides multiple filters to help you find the best flight to Chicago from Brussels. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Brussels to Chicago right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Brussels to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.