$231 Find Cheap Flights from Chicago to Brussels

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Brussels departing on 7/26. 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 Brussels

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Brussels.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Brussels.
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Everything you should know

Cheapest round-trip
$574
Typical prices: $709-$1,317
Scandinavian Airlines
Thu 10/1Sun 10/11
ORD - BRU • 1 stop
Cheapest non-stop
$831
Typical prices: $692-$1,216
United Airlines
Tue 11/3Tue 11/10
ORD - BRU • Non-stop
Top airlines
Cheapest • from $574 (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 00m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest
Most popular
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 48% compared to booking last minute.
Insights
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Flight Deals

Cheap Flights from Chicago to Brussels (ORD-BRU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Brussels 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 Chicago to Brussels

Thu, Oct 1 - Sun, Oct 11
Scandinavian Airlines Logo
7:15 pm - 2:35 pm
ORD
-
BRU
12h 20m
1 stop
Scandinavian Airlines Logo
3:15 pm - 4:10 pm
BRU
-
ORD
31h 55m
1 stop
$574Scandinavian Airlines
Sun, Dec 6 - Sat, Dec 12
Scandinavian Airlines Logo
7:15 pm - 7:50 pm
ORD
-
BRU
17h 35m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:45 pm
BRU
-
ORD
13h 25m
1 stop
$575Scandinavian Airlines
Thu, Oct 1 - Sat, Oct 10
Scandinavian Airlines Logo
7:15 pm - 2:35 pm
ORD
-
BRU
12h 20m
1 stop
Scandinavian Airlines Logo
8:30 pm - 4:10 pm
BRU
-
ORD
26h 40m
1 stop
$576Scandinavian Airlines
Wed, Nov 25 - Wed, Dec 2
Scandinavian Airlines Logo
7:15 pm - 6:35 pm
ORD
-
BRU
16h 20m
1 stop
Scandinavian Airlines Logo
7:15 pm - 4:45 pm
BRU
-
ORD
28h 30m
1 stop
$579Scandinavian Airlines
Wed, Dec 9 - Mon, Dec 14
Scandinavian Airlines Logo
7:15 pm - 2:30 pm
ORD
-
BRU
12h 15m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:45 pm
BRU
-
ORD
13h 25m
1 stop
$580Scandinavian Airlines
Wed, Nov 18 - Sun, Nov 22
Scandinavian Airlines Logo
7:15 pm - 10:50 am
ORD
-
BRU
32h 35m
2 stops
Scandinavian Airlines Logo
10:45 am - 4:45 pm
BRU
-
ORD
37h 00m
2 stops
$583Scandinavian Airlines
Wed, Nov 18 - Sun, Nov 22
Scandinavian Airlines Logo
7:15 pm - 10:50 am
ORD
-
BRU
32h 35m
2 stops
Scandinavian Airlines Logo
2:10 pm - 4:45 pm
BRU
-
ORD
33h 35m
1 stop
$586Scandinavian Airlines
Wed, Oct 7 - Wed, Oct 21
Scandinavian Airlines Logo
7:15 pm - 7:50 pm
ORD
-
BRU
17h 35m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:10 pm
BRU
-
ORD
12h 50m
1 stop
$587Scandinavian Airlines
Thu, Aug 20 - Sun, Aug 30
Multiple Airlines Logo
7:15 pm - 7:55 pm
ORD
-
CRL
17h 40m
2 stops
Multiple Airlines Logo
8:35 pm - 4:10 pm
CRL
-
ORD
26h 35m
2 stops
$743Multiple Airlines
Sun, Aug 16 - Tue, Aug 25
Multiple Airlines Logo
8:40 am - 7:40 pm
ORD
-
CRL
28h 00m
3 stops
Multiple Airlines Logo
8:30 pm - 8:05 pm
CRL
-
ORD
30h 35m
3 stops
$745Multiple Airlines
Booking Insights

KAYAK's insights & trends for Chicago to Brussels flights

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

How much is a round-trip flight from Chicago O'Hare Intl Airport to Brussels?

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

What is the cheapest Chicago O'Hare Intl Airport to Brussels flight route?

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

The cheapest return flight from Chicago O'Hare Intl Airport to Brussels costs $1,051 on the route between Chicago O'Hare Intl Airport (ORD) and Brussels Bruxelles-National Airport (BRU). It is also the most popular route.

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

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

For Chicago to Brussels, Tuesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Brussels back to Chicago, the best deals are generally found on Monday, with Saturday being the most expensive.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Brussels?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago O'Hare Intl Airport to Brussels, 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 Chicago O'Hare Intl Airport to Brussels is May, where tickets cost $129 (return) on average. On the other hand, the most expensive months are June and September, where the average cost of round-trip tickets is $918 and $505 respectively.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Brussels?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago O'Hare Intl Airport to Brussels, 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 Chicago O'Hare Intl Airport to Brussels, you should book around 2 weeks before departure, which saves you about 48% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Expert advice

Expert advice for your flight from Chicago to Brussels

 
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.

Marisa Garcia

Marisa Garcia

Expert on Brussels Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Good to know

Cheapest flight$231
Flight from Chicago O'Hare Airport to Brussels Airport

When to book flights from Chicago to Brussels

Are your dates flexible? Find out the best times to travel from Chicago to Brussels 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 Chicago to Brussels flights

  • Will I need to get a visa before I fly to Brussels?

    For trips under 90 days for tourism purposes, a visa is not necessary. However, if your travel is intended for other purposes, a visa may be required. Please ensure that your passport remains valid for at least three months beyond your intended stay. Additionally, be prepared to provide evidence of sufficient funds and possess a return plane ticket as part of the travel requirements.

  • What are some of the advantages of flying to Brussels South Charleroi Airport (CRL)?

    For starters, this is a great way to fly to the beautiful town of Charleroi and neighboring towns like Farciennes and Courcelles without having to make the long drive from Brussels Airport (BRU) after your flight. Since there is a one-stop flight available to this airport aboard Air France, the trip from Chicago is actually quite easy.

  • What is one of the quickest flights from Chicago Midway International Airport (MDW) to Brussels?

    By far, your fastest journey from this airport is going to be aboard Delta Air Lines, which offers a two-stop flight that has layovers at Detroit Metropolitan Wayne County Airport (DTW) and Amsterdam Airport Schiphol (AMS). Even with the stops, your trip time is only increased by only a couple of hours compared to a typical one-stop flight from Chicago O' Hare International Airport (ORD).

  • What are some of the perks of flying on Air Canada's Signature Service?

    The Air Canada Signature Service presents passengers with an exceptional premium travel experience centered around the Air Canada Signature Class cabin. This exclusive service ensures a seamless airport journey with dedicated check-in counters, fast-track security clearance, access to luxurious lounges, priority boarding, and baggage handling, along with various other benefits. Onboard, Air Canada Signature Class customers receive exclusive service and a wide array of amenities, promising a truly exceptional and memorable journey from start to finish.

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Brussels?

    In the last 5 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Brussels was $231 for a one-way ticket and $574 for a round-trip.

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

    A passport is required to fly from Chicago to Brussels.

  • Which airports will I be using when flying from Chicago to Brussels?

    On your way to Brussels, you’ll fly out from Chicago O'Hare Intl. You’ll be landing in one of Brussels’s 2 airports: Brussels Bruxelles-National or Charleroi Brussels.

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

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

  • Which airline alliances offer flights from Chicago to Brussels?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Chicago and Brussels, with SkyTeam being the most commonly used for this route.

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

    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 Chicago to Brussels.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Chicago 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 Chicago to Brussels?

    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 Brussels with an airline and back to Chicago with another airline.

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

    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 Brussels from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago O'Hare Intl Airport to Brussels

  • One way you can get to Chicago O' Hare International Airport (ORD) without having to drive yourself is to take the Chicago Transit Authority Blue Line train that can get you from the Jackson-Blue station to the airport in about 43 minutes.
  • For those traveling on one-stop flights on this trip, some of the usual stopover points will be Amsterdam Airport Schiphol (AMS), Reykjavik Keflavik International Airport (KEF), and Newark International Airport (EWR).
  • Swiss Airlines permits Economy Class passengers to carry one carry-on bag with dimensions not exceeding 23 x 15 x 10 inches and a maximum weight of 15 lb. Business and First Class passengers can bring two carry-on bags. In addition, you can also bring one thin laptop bag.
  • When traveling with Iberia and planning to check bags, please be aware that the weight of each checked bag must not exceed 50 lb, and the linear dimensions should not exceed 62 inches. However, certain ticket tiers offer a higher weight limit of 70 lb for checked bags.
  • Air Canada accepts golf bags in place of a regular piece of checked luggage, provided it weighs less than 50 lb. This bag can contain 14 clubs, 12 golf balls, and one pair of golf shoes.

Prefer to fly direct from Chicago to Brussels?

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

Direct departures

Chicago O'Hare Intl 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

Direct returns

Brussels to Chicago O'Hare Intl

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 5 airlines serving from Chicago to Brussels

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Brussels. 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 Chicago to Brussels? 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 1858 reviews
7.7Boarding
7.3Comfort
6.7Entertainment
8.0Crew
6.7Food
Airline reviews

Old plane, food not that great - lacked taste. Crew was nice but strict.

4.0 OkayAnonymous, Jun 2026
JFK - CPH
Read more Scandinavian Airlines reviews

Old plane, food not that great - lacked taste. Crew was nice but strict.

Terrible airlines, kept lying to me about the fact that my connection flight was cancelled. Left me hanging until last min. NEVER AGAIN

Mediocre. Maybe due to Economy light. Staff was great. Space shrunk, not for me, and definitely not for Vikings. Food was decent. Assistance lagging. There was a possibility to upgrade to Premium economy, however my bid was immediately classified as low and not even considered (though well over minimum bid). Thus I was no bleeding dry.

Upon departing and landing, the man seating in front of me had his seat leaning back. Taking off nobody told him anything. Landing someone from the crew said something but the passenger ignored him and nobody followed up. Felt a bit unsecured. If this that is some of the basics are missed, what else was overlooked?

They lost my luggage and can’t find it. My trip is ruined. Online tracking of lost luggage doesn’t work

Nothing special or negative. Pretty typical flight…no freebies in the way of food etcetera, but none were expected.

Seat was lumpier than I’ve ever remembered it to be although comfortable when tilted back. I don’t recall being that hungry after being served food from SAS before. Flight attendant on the second flight to Aalborg seemed to be having a bad day.

On this shorter leg and with an older plane, just mediocre. On the connecting long haul (Chicago to Copenhagen) everything was great.

My outbound flight was incredible... Milan to Chicago. The crew worked so well together. Each passenger felt spoiled and incredibly valued. The crew on this flight was fine. Nothing to complain specifically about but could not give top rating only because of the superior crew, hospitality, warmth we felt on the first flight. Unfortunately. You managed to lose my luggage ..my only piece checked in. Lost in Copenhagen so I had the added stress, time wasted to file the report. To make things worse, Italian rail decided to strike that Sunday so I could not take the train as planned back to Switzerland. Horrible waiting time and poor communication for boarding substitution bus. The substition bus to the town of Stabio did not run on time and was late about 40 minutes.

The flight was cancelled early on and messed up the whole vacation and hard to get a refund from Kayak as they owned the ticket and of course they did not believe that SAS cancelled the ticket. Definite bad side to third party. SAS had rescheduled but overlapped the connecting flights. That did not work. Flight was cancelled long ago but Kayak still has it. Like it was taken? Bad IT ? Or all assumptions and no follow up which is the whole IT world. It needs to wake up and be more efficient. Especially as the world is going, there will be no freedom to do anything. And we will be living like the Middle Ages. Yeah, go read up on that while you still can.

Agents at gate were not immediately available to solve problems and once they did they didn’t fix all the fight connections

Great experience. Boarding was fast, staff were very nice and funny, everything at the seat worked well.

Horrible! Several delays and then was cancelled! I spent over 24 hours in the airport and was unable to get a hotel or food voucher.

Smooth travel. Immediate update prior flight delay so I can arrange myself properly without too rush.

Boarded early; and arrived home 40 mins early. After a long flight, it’s nice to be back home early. These flights have no amenities; no snacks. So need to bring your own

A long delay. Don't travel late in the day.

Super friendly with lots of drink options an entertainment. Friendly crew.

The crew was great. Very friendly and responsive. The plane was old, small and tight. We ran out of overhead space and I had to check. Middle seat was particularly tight.

Several missed and almost missed connections. It felt like everything was being patched together last minute without enough resources and it ended up being an extremely stressful experience that basically ruined our weekend on the west coast. What a waste.

The boarding timing needs to be improved. The flight was delayed again because it took way too long to board. I was already exhausted from sleeping at the airport and spending all day there due to delay from my previous flight that connected in Chicago.

We missed that flight, and I am hoping that we will got the refund. It was very confusing to figure out about Aer Lingus operated by American Airlines. Then we bought another more expensive ticket to travel.

OK overall. Flight was delayed Crew on flight was good

Late late late. Delayed and arrived an hour late for a 1 hour 45 minute connection. Every time. Poor record for this company. I try to fly any other carrier first.

I flew economy class. Seats were very good and the crew was excellent

Fast and sensible boarding was absolutely amazing. But extortionate wifi and seats that barely moved, making me unable to sleep, didn't do a lot of favors.

I appteciate the very courteous staff. The flight was good. Something that wasn't good was that my bag was only checked as far as Dublin and I had a connecting flight to Vienna. (That was a mistake the ORD desk made.) Fortunately the desk at DUB was able to re-tag without me having to re-check in (which initially it seemed I might have to do.)

It was excellent! The plane left Chicago early. Arrived in Dublin early. The crew was excellent! It was a great experience.

Horrible. Garbage airline. Due to the strike we got a replacement plane/crew. I didn't get my exit row seat I paid for. Food was horrible. Plane was hot and didn't have AC vents.

Are Longus was fine. I booked thru Kayak and was unable to get my business class seat early. Sat next to galley. Crew forgot to wake me for breakfast.

Flight was ontime, clean, staff was friendly - there was turbulence but can’t avoid that (it’s a flight 😉)! The staff were attentive but would be nice if Aerlingus didn’t charge for coffee ☺️ but overall I enjoyed my flight experience and will travel with them again (Ireland’s Four star airline

The crew was excellent. What I did not enjoy was the food. I have taken many international flights and this was on the low end. Otherwise the trip was fine.

Seats were the most uncomfortable seats i ever experienced on a flight to Europe from Boston. It was a waist of money in buying premium seats for top dollars. I want my money back for what i paid extra for my seats. Awful conditions!

Boarding felt a little chaotic as everyone was waiting around the gate. Food was great, service was good.

Flight attendants in business class were rather indifferent While in second leg operated by Portugalia TAP subsidiary were outstanfy

The chicken was so dry it was impossible to eat. No substitute was offered. The port to charge my phone was broken and all I got was a shrug from the crew. The entertainment system was glitchy and subtitles didn’t load. Crew seemed fully uninterested and unfriendly.

The flight crew were absolute rock stars. When they came to the gate they looked like royalty, so chic. They also were extremely kind. Food was good and I loved the lack of plastic waste. The flight was lovely and smooth.

We were unable to check in due to technical problems on TAP’s end. The flight was delayed forty minutes with no reason given. We received timely notice of the flight delay. We were also notified of a gate change. The new gate was at a different terminal. When we got to the new terminal, we learned that we had to go back to the old terminal first to check in. This information should have been included along with the gate change notification. Also unexplained, the steward skipped us when offering breakfast.

Horrible experience at tbe check in ladie she was very racist ,she doesn't speak portuguese too and forced me to check in my carrion bag and I saw everyone with carrion bag inside anda lot of space ,she was rude unprofessional

Absolutely unacceptable level of service for a Business class: lousy drink and food options, disgusting food (inedible meat, watery rice, etc...), pathetic level of attentiveness from staff, Business class restrooms were not accessible for long periods because blocked of by staff...overall extremely disappointing, will NEVER fly Business on TAP again.

Didn't get to go because connection flight was cancelled

Crew was very friendly. Need lay flat beds! More snacks

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

I liked the crew but not the uncomfortable seats and lack of movie and tv selection.

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

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

Worst airline I’ve ever flown. Delayed 5.5 hrs, missed connecting flight, and missed an entire day of vacation. Zero customer service

Everything sucked. No food, one small glass of water, a tiny coffee, 5.5 hour delay with no customer service. Would never recommend flying them.

Our three ski bags did not arrive and are still not delivered, one full day later. With one ski bag not traceable at all. I would not fly Iceland Air again.

Great crew, bumpy landings, two-hour wait for baggage with no communication or explanation. Will not fly again!

Decent service - nice seats. Crew were not overly attentive but can’t complain overall for the money

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

Information on your arrival and departure airports