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Cheap flights from Chicago to Brussels Bruxelles-National Airport from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Brussels Bruxelles-National Airport departing on 7/29. 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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0 bags

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Find the cheapest flights from Chicago to Brussels

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago to Brussels.
Scandinavian Airlines Logo
7:15 pm - 3:20 pmORD-BRU
13h 05m1 stop
Scandinavian Airlines Logo
8:30 pm - 4:10 pmBRU-ORD
26h 40m1 stop
$446Scandinavian Airlines
Find Deal
Sun, Sep 14 - Wed, Oct 1
Scandinavian Airlines Logo
7:15 pm - 3:20 pmORD-BRU
13h 05m1 stop
Scandinavian Airlines Logo
7:10 pm - 4:10 pmBRU-ORD
28h 00m1 stop
$457Scandinavian Airlines
Find Deal
Tue, Sep 2 - Wed, Sep 10
Turkish Airlines Logo
11:25 am - 1:25 pmORD-BRU
19h 00m1 stop
Turkish Airlines Logo
2:25 pm - 9:40 amBRU-ORD
26h 15m1 stop
$603Turkish Airlines
Find Deal
Sun, Sep 21 - Thu, Oct 9
Turkish Airlines Logo
11:25 am - 1:25 pmORD-BRU
19h 00m1 stop
Turkish Airlines Logo
6:50 pm - 10:00 pmBRU-ORD
34h 10m1 stop
$623Turkish Airlines
Find Deal
Fri, Sep 26 - Sun, Oct 5
Aer Lingus Logo
3:45 pm - 9:40 amORD-BRU
10h 55m1 stop
Aer Lingus Logo
10:20 am - 7:00 pmBRU-ORD
15h 40m1 stop
$636Aer Lingus
Find Deal
Sun, May 4 - Tue, May 13
Aer Lingus Logo
3:45 pm - 9:40 amORD-BRU
10h 55m1 stop
Aer Lingus Logo
10:20 am - 7:00 pmBRU-ORD
15h 40m1 stop
$715Aer Lingus
Find Deal
Fri, May 16 - Fri, May 23
Brussels Airlines Logo
6:05 pm - 1:15 pmORD-BRU
12h 10m1 stop
Brussels Airlines Logo
10:15 am - 12:00 pmBRU-ORD
8h 45mnonstop
$888Brussels Airlines
Find Deal
Tue, Apr 15 - Thu, Apr 24
TAP AIR PORTUGAL Logo
6:00 pm - 11:55 pmORD-BRU
22h 55m1 stop
TAP AIR PORTUGAL Logo
8:55 pm - 7:54 amBRU-ORD
41h 59m2 stops
$904TAP AIR PORTUGAL
Find Deal
Fri, Sep 26 - Sun, Oct 5
Brussels Airlines Logo
4:05 pm - 1:15 pmORD-BRU
14h 10m1 stop
Brussels Airlines Logo
6:55 am - 12:45 pmBRU-ORD
12h 50m1 stop
$907Brussels Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
TAP AIR PORTUGAL Logo
6:00 pm - 11:00 amORD-BRU
34h 00m1 stop
TAP AIR PORTUGAL Logo
3:55 pm - 4:10 pmBRU-ORD
31h 15m1 stop
$908TAP AIR PORTUGAL
Find Deal
Sun, May 11 - Thu, May 15

Scandinavian Airlines flights from Chicago to Brussels Bruxelles-National Airport

Our best Scandinavian Airlines deals on Chicago to Brussels Bruxelles-National Airport flight tickets
Scandinavian Airlines
Sep 14
ORD7:15 pmChicago O'Hare Intl
13h 05m
1 stop
BRU3:20 pmBrussels Bruxelles-National
Oct 1
BRU8:30 pmBrussels Bruxelles-National
26h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
Scandinavian Airlines
Sep 2
ORD7:15 pmChicago O'Hare Intl
13h 05m
1 stop
BRU3:20 pmBrussels Bruxelles-National
Sep 10
BRU7:10 pmBrussels Bruxelles-National
28h 00m
1 stop
ORD4:10 pmChicago O'Hare Intl
Scandinavian Airlines
Sep 14
ORD7:15 pmChicago O'Hare Intl
17h 35m
1 stop
BRU7:50 pmBrussels Bruxelles-National
Sep 28
BRU7:00 pmBrussels Bruxelles-National
28h 10m
2 stops
ORD4:10 pmChicago O'Hare Intl

Turkish Airlines flights from Chicago to Brussels Bruxelles-National Airport

Our best Turkish Airlines deals on Chicago to Brussels Bruxelles-National Airport flight tickets
Turkish Airlines
Sep 21
ORD11:25 amChicago O'Hare Intl
19h 00m
1 stop
BRU1:25 pmBrussels Bruxelles-National
Oct 9
BRU2:25 pmBrussels Bruxelles-National
26h 15m
1 stop
ORD9:40 amChicago O'Hare Intl
Turkish Airlines
Sep 26
ORD11:25 amChicago O'Hare Intl
19h 00m
1 stop
BRU1:25 pmBrussels Bruxelles-National
Oct 5
BRU6:50 pmBrussels Bruxelles-National
34h 10m
1 stop
ORD10:00 pmChicago O'Hare Intl
Turkish Airlines
Aug 4
ORD11:45 pmChicago O'Hare Intl
32h 30m
1 stop
BRU3:15 pmBrussels Bruxelles-National
Aug 13
BRU4:15 pmBrussels Bruxelles-National
24h 25m
1 stop
ORD9:40 amChicago O'Hare Intl

See travel insights to Brussels from

How to get the cheapest flight ticket from Chicago to Brussels Bruxelles-National 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 cheapest month to fly to Brussels Bruxelles-National Airport?

The cheapest month to fly to Brussels Bruxelles-National Airport from Chicago is in October. Flight prices, which tend to average around $570, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Brussels Bruxelles-National Airport from Chicago during February instead. Flights to Brussels Bruxelles-National Airport in February, while not as cheap as those in October, still average around $591.

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

The cheapest day to depart from Chicago to Brussels Bruxelles-National Airport is on a Monday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Monday will often find tickets for as low as $1,065. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Brussels Bruxelles-National Airport for around $1,369.

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is in the evening. Flights from Chicago to Brussels Bruxelles-National Airport during this time can be as low as $579. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,197 on average. Flights to Brussels Bruxelles-National Airport from Chicago in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Chicago O'Hare Intl to Brussels Bruxelles-National for the best Chicago - Brussels Bruxelles-National flight prices

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

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from Chicago when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $861 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from Chicago for as low as $684 on momondo.

What cabin class options are available on Chicago to Brussels Bruxelles-National flights?

There are 3 cabin classes available to choose from on Chicago to Brussels Bruxelles-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Brussels Bruxelles-National Airport flight prices changed over time?

As of April 2025, prices for Chicago to Brussels Bruxelles-National Airport flights are approximately 39% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Brussels Bruxelles-National Airport (CHI to BRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Brussels Bruxelles-National Airport

Best Price Found

$304

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Brussels Bruxelles-National Airport from Chicago in the past 72 hours is $304. The best round-trip flight deal from Chicago to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $446.
The fastest flight from Chicago to Brussels Bruxelles-National Airport takes 8h 00m
Direct flights go from Chicago to Brussels Bruxelles-National Airport every day.

  • How far is Chicago to Brussels Bruxelles-National by plane?

    There are 4139.4 mi between Chicago and Brussels Bruxelles-National. Flights usually cover this in 8h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago to Brussels Bruxelles-National Airport?

    Prices for flights from Chicago to Brussels Bruxelles-National Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Brussels Bruxelles-National Airport?

  • How old do you have to be to fly from Chicago to Brussels Bruxelles-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The travel and health documents you'll need for your trip to Brussels Bruxelles-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels Bruxelles-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Brussels Bruxelles-National Airport?

  • What is the most popular airline from Chicago to Brussels Bruxelles-National Airport?


Best airlines flying from Chicago to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Chicago to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $405Free CancellationRating
7.0
476 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $438Free CancellationRating
7.3
1,328 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
3,748 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $512Free CancellationRating
7.0
1,060 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $518Free CancellationRating
7.1
1,831 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $724Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
LufthansaPriceFrom $754Free CancellationRating
6.7
6,963 reviews
Search Lufthansa flights
Brussels AirlinesPriceFrom $813Free CancellationRating
7.3
345 reviews
Search Brussels Airlines flights
  • United Airlines Flights From Chicago to Brussels Bruxelles-National Airport

    United Airlines flies from Chicago to Brussels Bruxelles-National Airport around 7 times per week, with 8,615 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago to Brussels Bruxelles-National Airport in the last 72 hours was $724 (round-trip), much lower than the average airfare cost of $1,114 for United Airlines flights on this route.

  • Brussels Airlines Flights From Chicago to Brussels Bruxelles-National Airport

    Brussels Airlines is also a popular choice for this route. Brussels Airlines flight deals for Chicago to Brussels Bruxelles-National Airport start from as low as $813 round-trip, depending on your selected dates, with average Brussels Airlines deals seen on momondo around $1,351. Brussels Airlines operates 7 flights to Brussels Bruxelles-National Airport from Chicago in an average week. Users have rated it 7.3/10 across 345 reviews.


Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Leuven
Hasselt
Spa
Genk
Charleroi
Namur
Aalst
Mons
Dinant
Waterloo
Mechelen
Halle
Knokke-Heist
Tournai
Durbuy
Zaventem
Herentals
Oostkamp

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Brussels?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Brussels. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Brussels with flexible booking policies on momondo?

Flights from Chicago to Brussels with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Brussels?

Once all potential Chicago to Brussels flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Brussels right now. Can momondo alert me if prices change?

Price alerts on flights to Brussels from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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