$329 Find Cheap Flights from Brussels to Chicago - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Brussels to Chicago departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Brussels to Chicago, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Brussels to Chicago, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$794
Typical prices: $810-$1,059
Lufthansa
Thu 7/9Thu 7/23
BRU - ORD • Non-stop
Cheapest one-way
$329
Multiple Airlines
Wed 9/23
CRL - ORD • 2 stops
Top airlines
Cheapest • from $794 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with United Airlines. Average duration is 8h 45m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest
Most popular
Insights
Insights
Insights
Insights
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 43% compared to booking last minute.
Insights
Insights
Insights
Insights
Start a new search
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We hope you love your trip to Chicago!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Brussels to Chicago

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Brussels to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Brussels to Chicago

Thu, Jul 9 - Thu, Jul 23
Lufthansa Logo
10:15 am - 12:00 pm
BRU
-
ORD
8h 45mnonstop
Lufthansa Logo
10:30 pm - 5:30 pm
ORD
-
BRU
12h 00m
1 stop
$794Lufthansa
Thu, Jul 9 - Wed, Jul 22
Multiple Airlines Logo
6:20 am - 11:00 am
BRU
-
ORD
11h 40m
1 stop
Multiple Airlines Logo
2:20 pm - 9:30 pm
ORD
-
BRU
24h 10m
1 stop
$795Multiple Airlines
Sun, Jul 5 - Sat, Jul 18
Lufthansa Logo
10:15 am - 12:00 pm
BRU
-
ORD
8h 45mnonstop
Lufthansa Logo
6:00 pm - 9:00 am
ORD
-
BRU
8h 00mnonstop
$796Lufthansa
Thu, Jul 9 - Thu, Jul 23
Lufthansa Logo
10:15 am - 12:00 pm
BRU
-
ORD
8h 45mnonstop
Lufthansa Logo
6:00 pm - 9:00 am
ORD
-
BRU
8h 00mnonstop
$797Lufthansa
Sat, Jul 4 - Sat, Jul 18
ITA Airways Logo
11:35 am - 1:10 pm
BRU
-
ORD
32h 35m
1 stop
ITA Airways Logo
3:00 pm - 10:45 am
ORD
-
BRU
12h 45m
1 stop
$801ITA Airways
Thu, Jul 16 - Tue, Jul 28
United Airlines Logo
8:35 am - 2:55 pm
BRU
-
ORD
13h 20m
1 stop
United Airlines Logo
1:30 pm - 7:15 am
ORD
-
BRU
10h 45m
1 stop
$803United Airlines
Mon, Oct 5 - Sat, Oct 10
Air France Logo
9:45 am - 4:11 pm
BRU
-
MDW
13h 26m
1 stop
Air France Logo
5:25 pm - 7:40 am
MDW
-
BRU
31h 15m
1 stop
$806Air France
Thu, Oct 22 - Thu, Oct 29
Delta Logo
9:45 am - 4:25 pm
BRU
-
MDW
13h 40m
1 stop
Delta Logo
1:00 pm - 10:55 am
MDW
-
BRU
15h 55m
2 stops
$820Delta
Wed, Oct 21 - Wed, Oct 28
Delta Logo
9:45 am - 4:25 pm
BRU
-
MDW
13h 40m
1 stop
Delta Logo
1:05 pm - 7:35 am
MDW
-
BRU
12h 30m
2 stops
$822Delta
Wed, Oct 21 - Thu, Oct 29
Air France Logo
9:45 am - 4:25 pm
BRU
-
MDW
13h 40m
1 stop
Air France Logo
5:25 pm - 10:55 am
MDW
-
BRU
11h 30m
1 stop
$833Air France
Booking Insights

KAYAK's insights & trends for Brussels to Chicago flights

Get data-powered insights and trends into flights from Brussels to Chicago to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Brussels to Chicago?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Brussels to Chicago departing in July.

What is the cheapest Brussels to Chicago flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Brussels to Chicago costs $785 on the route between Brussels Bruxelles-National Airport (BRU) and Chicago O'Hare Intl Airport (ORD). It is also the most popular route.

What’s the cheapest day of the week to fly from Brussels to Chicago?

The average price of all round-trip flights from Brussels to Chicago clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Brussels to Chicago, look for departures on Mondays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Chicago, Tuesday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Brussels to Chicago?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Brussels to Chicago, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Brussels to Chicago is August, where tickets cost $374 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $594 and $519 respectively.

How far in advance should I book a flight from Brussels to Chicago?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Brussels to Chicago, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Brussels to Chicago, you should book around 2 weeks before departure, which saves you about 43% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Brussels to Chicago

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

When to book flights from Brussels to Chicago

Are your dates flexible? Find out the best times to travel from Brussels to Chicago based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Brussels to Chicago

  • What is the cheapest flight from Brussels to Chicago?

    In the last 5 days, the lowest price for a flight from Brussels to Chicago was $329 for a one-way ticket and $794 for a round-trip.

  • Do I need a passport to fly between Brussels and Chicago?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Brussels and on arrival in Chicago.

  • Which aircraft models fly most regularly from Brussels to Chicago?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Brussels to Chicago?

    Star Alliance is the only airline alliance operating flights between Brussels and Chicago.

  • How does KAYAK find such low prices on flights from Brussels to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Brussels to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Brussels to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Brussels is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Brussels to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Brussels with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Brussels to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Brussels up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Brussels to Chicago?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Brussels to Chicago.
Find which airlines fly direct from Brussels to Chicago, which days they fly and book direct flights.

Direct departures

Brussels to Chicago

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Chicago to Brussels

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Reviews of the top 4 airlines serving from Brussels to Chicago

 
See real verified KAYAK customer reviews for airlines flying from Brussels to Chicago. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Brussels to Chicago? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Scandinavian AirlinesOverall score based on 1854 reviews
7.7Boarding
8.0Crew
7.3Comfort
6.7Entertainment
6.7Food
Airline reviews

It was ok but no WiFi I think I’ll fly Iceland air next time

6.0 GoodEmperor Billy, Jun 2026
CPH - IAD
Read more Scandinavian Airlines reviews

It was ok but no WiFi I think I’ll fly Iceland air next time

The two transatlantic flights we took on Scandinavian, between Los Angeles, and Copenhagen, were significantly less enjoyable than other SAS flights we have taken, particularly within Europe. The flight attendants seemed overworked. There should have been more attendants servicing the plane. The food was particularly disappointing. Lettuce on the salad was frozen. A snack of a tikka masala pita was less than tasty. The flights did leave and arrive on time.

I feel the service staff do not treat American customers well. I also feel there may be discrimination against minorities.

Yes avoid JFK airport at all costs. A horror to navigate.

No free Wi-Fi. I have SkyMiles but not a high status, having an account has been enough for Wi-Fi on other flights, but this one was going to charge me to use it. Also turbulence was really bad toward the end, but I didn't count this in my ratings since I know Delta cannot control the weather - it's 2026 and lack of WiFi alone is enough for a poor rating.

My daughter always gets sick when we order the gluten free meal option. Internet didn’t work as advertised.

Nothing to answer your questions appropriately. It was just a 2hrs flight from London Heathrow and we were served a cup of tea only. So the questions about food aren't relevant and also, there's no entertainment on these short haul flights. Overall, the flight ✈️ was okay.

All went smoothly. That's what I want on a long flight.

I expected more, but they will nickel and dime you for everything. I did not enjoy flying with this airline.

Curious and efficient service ! First time flying with SAS and very pleased!

Awful. Delayed flights, missed connection to Toronto. Hotel vouchers were for already booked hotels x3. Giant waste of my time

Boarding was great, and the crew were very friendly. The seats must have been a bit on the older side and you could feel some of the seat components through the padding. Also, the plugs did not work on the row's entertainment screen or charging ports. Checked bag was transferred for connecting flight, and we appreciated how early we had the connecting gate information.

Very easy ! Use the kiosk and bag drop and right to security within 10 min

Prefer not to have an almost 3 hour delay with useless communication that wasn't accurate.

Over 5 hour delay with minimal updates or ability to standby for alternative flights. During boarding and 1 hr+ wait for takeoff, seats were drenched w water from air conditioning condensation and always leftover crumbs on carpet and seats

I flew from Barcelona to Chicago on UA yesterday. The flight was on time, the pilots did a great job and the flight attendants were super nice. All of them. Also food was good, and the drinks, including wine were served a few times during our flight. I highly recommend this airline.

Boarded early, left early, arrived 40 mins early! A win win for me!

These airplanes should be illegal. The seats are two tight, it is a safety issue. Wheelchair support was ridiculously slow. We almost missed our flight.

This flight is a quick way to get to Chicago, but a bit expensive.

The clerk at check in for my bags was very rude. My credit card was hacked during my vacation and she told me it was not possible to pay in cash for my bag. “You bought the cheapest ticket, you should have bought a ticket that included a bag. If you cannot pay with a credit card, we will not let you on this flight”. She spoke to her supervisor and then told me , I could ask other passengers, if they would use their credit card to check my bag. I had to beg 5 different people, till one agreed to use their credit card. I payed them cash of course. This was a very stressful and humiliating experience for me. I strongly suggest you build in some kind of provision for travelers who got robbed.

Good. Rxception is the Entertainment - movies and TV shows all out of date…

The crew was attentive and personable. The plane was clean and the seats comfortable. It was an excellent trip!

We paid for saga class, which is the business class for international. My seat was broken and did not recline and my monitor for in-flight entertainment was broken.

The flight itself was fine, even with a one-hour delay leaving on the Reykjavik tarmac (the lost time was made up during flight). Our experience at the Reykjavik airport on arrival was terrible due mostly to the one hour it took for passport control. Only two stations were open for our category, and the room was full with a huge crowd.

They cancelled our connecting flight resulting in another layover reaching our final destination 8 hours later than scheduled.

Awful. The Iceland airport was a complete mess. Boarding was a chaotic, the seats were awful, there was a group of rowdy 20 something men in our row hooting and hollering, ordering alcoholic drink after drink. Yelling and laughing at the top of their lungs and the crew just went along with it. Passengers complained to the men, asking if they could keep it down (it was a night time flight so people wanted to sleep). They never listened crew continued to laugh with them, flirt with them and serve them more drinks. No free food or snacks, seats were horribly uncomfortable. Worst flight I've had in a long time

Repurchased food and it was moldy and expensive. But I figured it was bad luck so I purchased a cup-o-noodles, halfway through them we hit turbulence and the flight attendant was passing with the garbage, it would have been two seconds to grab it, but he was snarky grabbed someone else’s plastic cups and went to buckle up… I used the puke bags to secure the soup before it became an accessory. When he finally came around he gave me a face like a petulant child as I handed him the soup neatly wrapped in the paper then plastic bag. I watched a movie in silence as the rental or headphones was ridiculous at 4€ for those .10€ cheap plastic toys. No English subtitles on an American movie… crazy. I disliked the whinny little tourist trap and now I hope that it sinks into the ocean or erupts in a catastrophic eruption for their beloved “I live on an active volcano” pride.

At least one soda free, felt like I was nickeled to death.

On-time arrivals and departures. Crew helpful and friendly. Yet everything costs extra: seat selection, food, even airphones!

Pleasant, attentive flight attendants, but they’ve got to upgrade their seats to be a true “business class” carrier.

The legroom was lacking and the entertainment system lacked adequate selection of older films. Modern films are generally not very good.

Perfect airline, super friendly, great service, tasty food. Would fly again.

Everything could have been better. What needed to be wrong with United went wrong

It was good. The seats in economy weren’t bad

Very good. Comfortable and I felt well taken care of from start to finish

We were in premium economy seats that appeared to be locked in plae, No reclining. My aching back.

I don’t understand how they charge as much as they do for such a poor experience

I wish the plane had pod seating for business class. I had a window seat (8K) and I had to climb over the person sitting on the aisle when I needed to get up. Also there is no partition between the seats for privacy when sleeping. The Asian airlines have much nicer business class seating. Their seats are wider for better comfort when sleeping.

The seat space seemed small especially when the person ahead reclined but other than that, very good.

Luggage transfer in Chicago was not performed in time. I received my luggage at my destination two days later.

Everything you need to know for your flight from Brussels to Chicago

Cabin class types available on flights from Brussels to Chicago

Cabin classes available on flights from Brussels to Chicago. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.