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Cheap Flights from Belgium to O'Hare Intl

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Belgium to O'Hare Intl

Thu, Nov 5 - Sun, Nov 15
TAP AIR PORTUGAL Logo
5:55 pm - 3:30 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
28h 35m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:10 pm - 11:50 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
20h 40m1 stop Lisbon Humberto Delgado
$611TAP AIR PORTUGAL
Sun, Dec 27 - Fri, Jan 8
TAP AIR PORTUGAL Logo
6:00 am - 3:30 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
16h 30m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:10 pm - 5:05 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
13h 55m1 stop Lisbon Humberto Delgado
$613TAP AIR PORTUGAL
Wed, Nov 4 - Wed, Nov 18
TAP AIR PORTUGAL Logo
6:00 am - 3:30 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
16h 30m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
7:00 pm - 11:55 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
21h 55m1 stop Lisbon Humberto Delgado
$627TAP AIR PORTUGAL
Thu, Nov 5 - Sun, Nov 15
TAP AIR PORTUGAL Logo
5:55 pm - 3:30 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
28h 35m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
8:10 pm - 5:05 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
13h 55m1 stop Lisbon Humberto Delgado
$635TAP AIR PORTUGAL
Fri, Nov 13 - Sun, Nov 29
Lufthansa Logo
8:25 am - 1:10 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
11h 45m1 stop Frankfurt am Main
Lufthansa Logo
5:50 pm - 8:55 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
8h 05mnonstop
$689Lufthansa
Fri, Nov 13 - Sun, Nov 29
Lufthansa Logo
10:10 am - 12:10 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
9h 00mnonstop
Lufthansa Logo
5:50 pm - 8:55 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
8h 05mnonstop
$697Lufthansa
Wed, Oct 28 - Mon, Nov 2
Lufthansa Logo
9:30 am - 4:20 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
12h 50m1 stop Frankfurt am Main
Lufthansa Logo
5:50 pm - 8:55 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
8h 05mnonstop
$700Lufthansa
Thu, Oct 15 - Mon, Oct 19
United Airlines Logo
6:20 am - 7:55 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
20h 35m1 stop Frankfurt am Main
United Airlines Logo
2:20 pm - 8:50 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
11h 30m1 stop Zurich
$715United Airlines
Thu, Oct 15 - Thu, Oct 22
United Airlines Logo
6:20 am - 11:00 amBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
11h 40m1 stop Frankfurt am Main
United Airlines Logo
2:37 pm - 1:15 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
15h 38m2 stops Washington, D.C. Dulles Intl London Heathrow
$716United Airlines
Sun, Oct 11 - Sat, Oct 24
United Airlines Logo
6:20 am - 11:00 amBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
11h 40m1 stop Frankfurt am Main
United Airlines Logo
7:50 pm - 9:40 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
30h 50m1 stop Zurich
$716United Airlines
Booking Insights

KAYAK's insights & trends for flights to O'Hare Intl

Get data-powered insights and trends for flights to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest day to fly to Chicago?

Based on KAYAK data, the cheapest day to fly to Chicago is Wednesday where round-trip tickets can be as cheap as $833. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,071 on average.

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

The cheapest month for flights to Chicago O'Hare Intl Airport is February, where tickets cost $732 on average for return flights. On the other hand, the most expensive months are July and August, where the average cost of tickets from Belgium is $983 and $955 respectively. For one-way flights, the best month to travel is October with an average price of $498.

What is the cheapest time of day to fly to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is generally in the morning, when round-trip flights cost $918 on average. The most expensive time of day to fly to Chicago O'Hare Intl Airport is generally in the morning, which is peak travel time and where the average cost of a ticket is $918.

What is a good deal for flights to Chicago O'Hare Intl Airport?

If you’re looking for cheap airfare to Chicago O'Hare Intl Airport, 25% of our users found tickets to Chicago O'Hare Intl Airport for the following prices or less: From Brussels Bruxelles-National Airport $847 round-trip.

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

To get a below average price, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Good to know

Low season

November
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 18% increase in price.

FAQs - booking Chicago flights

  • How far is Chicago O'Hare Intl Airport from central Chicago?

    The city center of Chicago is 16 miles from Chicago O'Hare Intl Airport.

  • How much is a flight to Chicago?

    On average, a flight to Chicago costs $934. The cheapest price found on KAYAK in the last 2 weeks cost $776 and departed from Brussels Bruxelles-National Airport.

  • How does KAYAK find such low prices on flights 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 to Chicago.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to 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 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 with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Chicago

  • Looking for cheap airfare to Chicago? 25% of our users found round-trip tickets to Chicago for the following prices or less: From Brussels Bruxelles-National $1,681

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Chicago flight deals.

Reviews of the top airlines flying from Belgium to O'Hare Intl

 
Need help choosing which airline to fly with to O'Hare Intl? 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 10259 reviews
8.1Crew
7.3Comfort
7.1Entertainment
6.7Food
7.7Boarding
Airline reviews

Good, our flight was delayed but that was totally out of their control due to weather and a presidential visit.

8.0 ExcellentAnonymous, Sep 2026
Read more United Airlines reviews

Good, our flight was delayed but that was totally out of their control due to weather and a presidential visit.

The price. Omg $1100. Was crazy and it was not clear on the website.

Excellent. I had a medical emergency on flight SNA-ORD and the attendants were very helpful.

After having bad experience last time This time they were very good

Usual wait for over a half hour for a gate at Ohare. They tell you you'll get there early then sit on the plane and wait almost an hour

Plane congestion resulted in a 1 hr wait from landing to arrival at the gate. This was in addition to also experiencing extreme delays on my incoming flight.

Very disappointing that on an international business class flight they would not give me access to the lounge in Boston. They said it was because it was a codeshare flight. International business class should include lounge access regardless of codeshare.

The counter person at the gate was rude and demeaning, to the point that I wouldn't fly this airline again.

Liked the excellent United crew, the food selection, the comfortable cabin and the excellent movie and tv shows selection. The interface on the screen is also excellent and gives the option to let the crew know to wake you up for meals, or not. I disliked the onboarding experience at the Brussels airport. The process is convoluted and was not explained to any passengers. I also don't understand why thee is an additional security screening when getting off the plane from Africa, when there was none when getting off the plane from the US.

It was a good flight. The entertainment could be better.

roomiest flight in economy I've taken in years. Excellent experience!

I was booked to travel from Dallas to Nairobi via Chicago and Brussels and had been issued boarding passes for all three segments of my journey. At the boarding gate in Dallas, I was required to check my carry-on luggage due to limited cabin space. Despite my attempts to explain that I was traveling internationally and would not have access to the bag during transit, my concerns were not considered. I also informed the staff that I did not have a padlock to secure the luggage, but this was disregarded. Consequently, I had to hastily transfer essential items from my carry-on into my handbag. To my surprise, upon arriving at Chicago Airport, I observed numerous international travelers boarding with cabin bags that were significantly larger than mine. This experience left me extremely disappointed and led me to decide against using United Airlines for future international travel, a sentiment I have also shared with friends and family. Unfortunately, the onboard experience on the Chicago to Brussels flight further reinforced my dissatisfaction. The cabin crew appeared disengaged, indifferent, and lacking in attentiveness, resulting in a service experience that fell well below my expectations.

I want to highlight the crew members and their excellent work and professionalism. They work hard to make a long trip the most comfortable as possible, the food and drinks they offer are pretty good. And they are always asking if you need something else. I have had experiences with other airlines where you have to basically beg for a bottle of water. This is not the case. Highly recommended!!!

the blanket was great and pillow helped. really need a toothpick packed with meals

Very comfortable plane. The food was very good (for airplane food). The crew was great

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

Traveling to a place near O'Hare Intl?

Book flights to O'Hare Intl if you plan to visit one of these locations
Merrillville
Gurnee
South Haven
Oak Brook
Tinley Park
Hammond
Saint Joseph
Des Plaines
Elk Grove Village
Hoffman Estates
Oakbrook Terrace
Portage
South Holland
Willowbrook
Lansing
Lisle
Alsip
Delavan
Valparaiso
Northbrook

More options for your flight to O'Hare Intl