CHI - BRU

$241 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 Bruxelles-National departing on 3/4. 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 Bruxelles-National Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Brussels, 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 Chicago to Brussels, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$441
Overall average: $904
Scandinavian Airlines
Wed 3/4Sun 3/8
ORD - BRU • 1 stop
Cheapest non-stop
$708
Typical prices: $901-$1,226
Multiple Airlines
Wed 3/11Wed 3/18
ORD - BRU • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Lufthansa's Economy includes three-course meals.
Brussels Airlines' Premium Economy offers priority check-in.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Scandinavian Airlines
Cheapest • from $501 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
ORD-BRU
Cheapest
ORD-BRU
Most popular
Insights
Insights
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 51% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 27% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Bruxelles-National!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Chicago to Bruxelles-National (CHI-BRU)

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

Wed, Mar 4 - Sun, Mar 8
Scandinavian Airlines Logo
7:20 pm - 2:30 pm
ORD
-
BRU
12h 10m1 stop
Scandinavian Airlines Logo
10:20 am - 5:45 pm
BRU
-
ORD
13h 25m1 stop
$441Scandinavian Airlines
Wed, Mar 4 - Sun, Mar 8
Scandinavian Airlines Logo
7:20 pm - 2:30 pm
ORD
-
BRU
12h 10m1 stop
Scandinavian Airlines Logo
7:45 pm - 5:45 pm
BRU
-
ORD
28h 00m2 stops
$447Scandinavian Airlines
Wed, Mar 4 - Tue, Mar 10
Scandinavian Airlines Logo
7:20 pm - 2:30 pm
ORD
-
BRU
12h 10m1 stop
Scandinavian Airlines Logo
8:30 pm - 5:45 pm
BRU
-
ORD
27h 15m1 stop
$452Scandinavian Airlines
Fri, Jan 30 - Fri, Feb 13
Scandinavian Airlines Logo
7:10 pm - 11:55 am
ORD
-
BRU
33h 45m2 stops
Scandinavian Airlines Logo
10:20 am - 4:45 pm
BRU
-
ORD
13h 25m1 stop
$453Scandinavian Airlines
Wed, Mar 4 - Tue, Mar 10
Scandinavian Airlines Logo
7:20 pm - 9:40 am
ORD
-
BRU
31h 20m1 stop
Scandinavian Airlines Logo
11:30 am - 5:45 pm
BRU
-
ORD
36h 15m2 stops
$456Scandinavian Airlines
Wed, Mar 4 - Sat, Mar 7
Scandinavian Airlines Logo
7:20 pm - 2:30 pm
ORD
-
BRU
12h 10m1 stop
Scandinavian Airlines Logo
10:20 am - 4:45 pm
BRU
-
ORD
13h 25m1 stop
$458Scandinavian Airlines
Sun, Mar 15 - Wed, Apr 15
Delta Logo
10:45 am - 8:00 am
MDW
-
BRU
15h 15m1 stop
Delta Logo
6:20 am - 4:36 pm
BRU
-
MDW
17h 16m2 stops
$775Delta
Sun, Mar 1 - Tue, Mar 10
Delta Logo
1:28 pm - 2:15 pm
MDW
-
BRU
17h 47m2 stops
Delta Logo
10:00 am - 10:31 pm
BRU
-
MDW
18h 31m1 stop
$777Delta
Sun, Mar 1 - Tue, Mar 10
Delta Logo
9:34 am - 7:35 am
MDW
-
BRU
15h 01m2 stops
Delta Logo
10:00 am - 10:31 pm
BRU
-
MDW
18h 31m1 stop
$778Delta
Thu, Mar 19 - Mon, Mar 30
KLM Logo
5:40 pm - 8:00 am
MDW
-
BRU
32h 20m1 stop
KLM Logo
9:45 am - 4:55 pm
BRU
-
MDW
14h 10m1 stop
$876KLM
Booking Insights

KAYAK's insights & trends for Chicago to Bruxelles-National flights

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

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

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 to Brussels Bruxelles-National Airport departing in March.

What is the cheapest Chicago to Brussels Bruxelles-National Airport flight route?

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

The cheapest return flight from Chicago to Brussels Bruxelles-National Airport costs $643 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 to Brussels Bruxelles-National Airport clicked on KAYAK for each day over the last 12 months.

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

What is the cheapest month to fly from Chicago to Brussels Bruxelles-National Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago to Brussels Bruxelles-National Airport, 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 to Brussels Bruxelles-National Airport is September, where tickets cost $587 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $1,439 and $1,085 respectively.

How far in advance should I book a flight from Chicago to Brussels Bruxelles-National Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago to Brussels Bruxelles-National Airport, 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 to Brussels Bruxelles-National Airport, you should book around 5 weeks before departure, which saves you about 51% 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 Bruxelles-National

 
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.
Airlines
Brussels Airlines

Brussels Airlines' Premium Economy offers priority check-in and lounge access for a fee.


Enjoy Belgian cuisine with Michelin-starred chef meals in Business Class.

Lufthansa

Enjoy three-course meals and complimentary drinks in Economy on long-haul flights.


Lufthansa offers 11 special meal choices, including gluten-free and kosher, bookable 24 hours before departure.

United Airlines

United Polaris offers lie-flat seats with aisle access, ideal for long-haul comfort.


United Polaris Lounge features restaurants and buffets, offering a more luxurious experience.

Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Brussels Airlines

Marisa Garcia

Marisa Garcia

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.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Jessica Macdonald

Jessica Macdonald

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.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek

Stefanie Waldek

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.

Read more

Good to know

Low seasonFebruary
Cheapest flight$241
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly and prices are also 20% lower on average.
Flight from Chicago O'Hare Airport to Brussels Airport

When to book flights from Chicago to Bruxelles-National

Are your dates flexible? Find out the best times to travel from Chicago to Bruxelles-National 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

  • What is the cheapest flight from Chicago to Brussels Bruxelles-National Airport?

    In the last 3 days, the lowest price for a flight from Chicago to Brussels Bruxelles-National Airport was $241 for a one-way ticket and $441 for a round-trip.

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

    Yes

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

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

  • Which airlines offer Wi-Fi service onboard planes from Chicago to Brussels?

    All the following airlines offer inflight Wi-Fi service on the Chicago to Brussels flight route: Iberia, Finnair, American Airlines, Lufthansa, SWISS, and United Airlines.

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

    The Boeing 787 Dreamliner is the aircraft model that flies most regularly on the Chicago to Brussels flight route.

  • Which airline alliances offer flights from Chicago to Brussels?

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

  • On which days can I fly direct from Chicago to Brussels?

    There are nonstop flights from Chicago to Brussels on a daily basis.

  • Which is the best airline for flights from Chicago to Brussels, United Airlines or Scandinavian Airlines?

    The two airlines most popular with KAYAK users for flights from Chicago to Brussels are United Airlines and Scandinavian Airlines. With an average price for the route of $1,058 and an overall rating of 7.4, United Airlines is the most popular choice. Scandinavian Airlines is also a great choice for the route, with an average price of $499 and an overall rating of 7.3.

  • 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 to Brussels Bruxelles-National Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $658 or less one-way and $1,030 or less round-trip.

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 to Brussels Bruxelles-National.
Find which airlines fly direct from Chicago to Brussels Bruxelles-National Airport, which days they fly and book direct flights.

Direct departures

Chicago to Brussels Bruxelles-National

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 Bruxelles-National 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

Reviews of the top 5 airlines serving from Chicago to Bruxelles-National

 
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 Bruxelles-National? 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
United AirlinesOverall score based on 9143 reviews
8.1Crew
6.6Food
7.1Entertainment
7.7Boarding
7.3Comfort
Airline reviews

They lost my luggage, so, not happy. The crew was nice but my suitcases never made it, still trying to find out what happened!

6.0 GoodPatricia, Jan 2026
ORD - LAS
Read more United Airlines reviews

They lost my luggage, so, not happy. The crew was nice but my suitcases never made it, still trying to find out what happened!

I understand weather is an issue, but making us chase our plane down at five scheduled gates across three terminals in an airport the size of O'Hare was unfair. They'd have probably been better off to leave gates as TBD until the inbound plane is in final approach instead of running us all over the place. Also, props to the consistently-unprepared ground crew in Richmond for once again leaving my lane parked short of the gate because they couldn't have a crew in place on time with 2 hours notice...

cabin crew was OK, food was OK, the trip from the US to Munich was actually pretty bad comfort wise. Noisy aircraft, lights never dimmed even in Business class (night flight) barely sufficient amenities for the price. I have millions of miles with United but TBH American is gaining ground and Delta has always been marginally better then United although on paper United has more longes and cheaper upgrades.

Essy to get on. The hostess gave very little pop, the plane was late getting in, and we are still waiting for our bags. This sucks. :/

Not United Airlines' fault. It's ORL airport's fault.

Great flight. On time boarding. Smooth flight and on time arrival at EWR. The flight crew was marvelous and there was a great selection of movies on the entertainment system. Our bags were at the carousel before we got there. Another excellent flight from United.

I liked the snacks and the flight attendants were friendly.

The movies offered were great. Staff were very pleasant and very efficient.

After a delay at the gate, C3, at Ohare on Sunday, I left my Blk ski coat on the bench at the gate, lost! Please review my lob claim, thx.

Very nice flight love the small aircraft. We had a wonderful flight attendant. Nice to see someone that really enjoys her job. Don't have her name but had a southern accent.

Turkish Airline canceled our tickets in the very last minute, with our luggage and everything else, all prepared and good to go. It’s clear that they sold the tickets for better money to someone else. Bad, Bad, Bad business!!!

Awful seating. Bad food. Staff only have one bottle of water and no cans.

it was like a banya -so hot... They did provide a great experience with special food. one toilet broke midflight In general it was a peaceful and relaxing flight - for business class it was good.

Chicago to Istanbul was a much better experience than I expected since I’m more accustomed to Qatar Airways business class. The business lounge in the Istanbul airport was amazing - loved the lockers and phone charging stations, and the bathroom was a spa experience in itself. The onward leg from Istanbul to Karachi was utterly disappointing. Terrible plane, and I felt like I was in economy - the seats don’t come near to lying flat and the food was mediocre. What a sad downgrade - it isn’t as though the ticket on that leg was cheaper. So, on that front, there’s no contest with Qatar airways.

Second leg of Turkish Airline with Indigo is disaster for following reason. 1) You have to carry your cabin bags through ladder to boeing 777 because it was parked somewhere in parking lot and was not given a gate to board passengers and this seems to be people traveling to and fro from those flights and is not issue with flight itself. 2) I choose non vegetarian food on Turkish portal way ahead of checkin to entire trip, However the Indigo flight gave me random veg food saying they code veg food code from Turkish. 3) Indigo did not served any alcoholic beverages stating some weird reason which is non nonsensical. 4)Indigo have TV screens in front of you but it displays nothing except "Welcome Onboard" with annoying white black ground in dark flight. This is the most stupidest and annoying part because you are held hostage for 7 hours and only thing you could do is stare back at white screen which does not have entertainment package or even flight tracker. Such a shame.

nice and clean plane but the seats and the comfort was not what i expected. i expected more based on all the ads and reviews that i've read. I guess you get what you pay for in economy.

Overall it was good. Food was bad. I ordered gluten free vegetarian meal. But I got gluten free chicken for my long flight from Seattle to Istanbul. I don’t eat any kind of meat. Second meal I got eggplant with meat which I couldn’t eat. I don’t understand why we can’t get gluten free vegetarian meal for a 12 hour flight. I eat the bread and that was it.

Worse worse worse, i would not recommend this airline to anyone. Istanbul airport maybe State of the Art facility but staff is rude, only works if they get tips, and they push you to give tips even though my family had spent $50 in tips. Airline staff doesn't speak english so you really can't understand them. It was a nightmare travelling with Turkish. Never again.

As a big guy the seats are way too small for me. Would prefer more comfortable seats on these long haul flights.

My flight was canceled 1 minute before boarding. The customer service was owful, no one could tell us what was going happened. I spent 30hrs instead of 15 from Washington DC to Brussels. No apologie or help

Amazing! Everyone was so nice and the food was so good!!

Terrible customer service. The flight attendants were rude. We experienced significant turbulence for a large portion of the flight and there was very little check in from the flight deck. The space was extremely limited to the point where it felt like torture. Never again

I was surprised how good an American airline can be - I was really impressed.

Excellent service throughout. Airport process is quick and easy. Very courteous staff. Great service in the plane! Just outstanding punctuality and service overall!!

I have paid for extra legroom on my flight. My seat was broken and did not recline. The crew could not fix it and refused to provide me with another seat

Over all experience was good. However the connection time was too short at CPG. We missed our connecting flight to AMS as the passport control line was too long and by the time we got our passport control done it was too late I wish there were some SAS staff to help us out at the passport control center Though they put us in a KLM flight from CPG to AMS, That flight was also delayed by over two hours

No vegetarian option was provided for the regular meal or the pre-landing snack.

The Scandinavian flight was excellent, however the second flight was partnered with TAP Portugal which was not so good. crowded gate area with no chairs, delayed flight, bad boarding process, no entertainment system onboard, and the baggage didn’t get to the carousel until well over an hour which caused our taxi that was waiting to leave. Love SAS, hate TAP.

Great logistics and timeliness as we arrived quite early. Flight smooth and fast. Excellent entertainment. Plane itself was a bit tired and the crew mostly indifferent. Baggage took forever but that’s on CPH. Would use SAS again for sure.

Will not recommend SAS for business travel. Food was so-so. Service was very good. First leg was very good. Second leg from Copenhagen to Barcelona was terrible. We paid a LOT for business class and to have seats worse than most coach seats with no entertainment and no charging available for 1/3rd of the whole trip was not acceptable. Very disappointing. I thought they were coming back in the U.S. with style, NOT YET.

So, the trip from Dublin to LA did not really happen because the flight took off before we could finish the transfer.

The connection time between the regional flight (from Newcastle) to an international flight (to The States) was too short. To require as second security scan and customs clearance within an hour and 20 mins is not enough time to make the actual connection. We had a final boarding call the minute we walked out of US customs and had to sprint (with two small children) through 20 gates to make it in time before the door closed. The concept is great in theory to clear customs before leaving Europe, but the timing needs to be adjusted. We travel abroad frequently and won’t be using this route again. Thanks.

Canceled my flight couple hours before takeoff. They could not find a decent re-routing and refused to pay for when i subjected alternative with Lufthansa.

Seats a little to soft on the SFO DUB flight

Well, I think we left close to on time. Crew was “eh”.

Flight takeoff was delayed an hour, but arrival time was not updated at the same time as departure time, so those picking me up at the other end were not alerted to the change in my arrival.

Seats are terribly cramped. I’m only 5’2” and my knees were practically in my face. No room to put a normal size bag under the seat and when the person in front of you reclined their seat your tray table was in your lap. This is the airline’s way of cramming more seats into the plane to make more money. I’ll think twice about taking Aer Lingus again since there are a few other options from Boston to the Emerald Isle.

Couldn’t check In online, message was couldn’t check in until Sunday morning though plane left Saturday night. Checked in okay at airport but caused slot if stress.

It all went very well, except for the ramp coordination upon landing in Boston. That, however, was resolved in fairly short order.

The same as I stated prior. We incurred extra costs that should be reimbursed, given we were not communicated with about schedule changes.

Problems checking in both on the laptop and on the app. No free seating available at check-in as advertised - must pay for EVERY seat between $23 and $75. No way to cancel seat choice. App menus and site menus are not responsive, and some items are impossible to find. Crew and mobile assistance are friendly and helpful.

Food - Non-Existent. You pay for everything. It is strictly Pay-to-Play!

Having been prepared for paying for everything on board other than water, coffee and tea the service was OK. Food and drink is expensive but the food was OK if limited in scope. Plane was clean and obviously well serviced. After complaining about having to walk in wind and rain to a get a bus to the airport the same thing happened at Portland. I’m sure you could get a terminal gate flight, complimentary food and drink for not much more money without traipsing through rain and slush in Reykjavik. Not bad but not great.

If there was a disclaimer regarding food service or lack thereof, l missed it. If l had known l would have prepared better. Same with transferring at Reykjavik. No information about disembarking via stairs into rain, slush and puddles deep enough to swallow a foot. After being treated to haute cuisine restaurants and warm inviting environment during the flight, the airport is, let’s be kind, disappointing. Plane was comfortable, Airbus, staff were welcoming enough. I would likely try the route again. Maybe have a night and day in Iceland. Maybe not.

They had a 4 hour delay and left my luggage in Iceland and it didn’t arrive in Portland until 11/1

It was too cold in the plane my feet froze

Handling our luggage was the biggest issue - they lost it and we got it almost 3 days later. Really threw off the beginning of our trip and we really had to change our itinerary accordingly.

Seat was hard and uncomfortable and the temperature too warm and uncomfortable.

It was good. The air plane is clean and staff were friendly.

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

Everything you need to know for your flight from Chicago to Bruxelles-National

Information on your arrival and departure airports