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Cheap flights from Chicago to Brussels from $305

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 departing on 4/13. 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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Find the cheapest flights from Chicago to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 1:25 pm
ORD
-
BRU
34h 15m
1 stop
Turkish Airlines Logo
7:20 am - 6:15 pm
BRU
-
ORD
17h 55m
1 stop
$552Turkish Airlines
Sun, Apr 19 - Wed, May 6
Turkish Airlines Logo
8:10 pm - 10:10 am
ORD
-
BRU
31h 00m
1 stop
Turkish Airlines Logo
6:55 pm - 9:40 am
BRU
-
ORD
21h 45m
1 stop
$561Turkish Airlines
Thu, Apr 23 - Thu, Apr 30
Icelandair Logo
10:25 pm - 12:55 pm
ORD
-
BRU
31h 30m
1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m
1 stop
$584Icelandair
Fri, Apr 24 - Fri, May 1
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m
1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m
1 stop
$587Icelandair
Sat, Apr 25 - Wed, May 6
Icelandair Logo
10:25 pm - 12:55 pm
ORD
-
BRU
31h 30m
1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m
1 stop
$588Icelandair
Fri, Apr 24 - Thu, May 7
KLM Logo
10:41 am - 7:40 am
MDW
-
BRU
13h 59m
1 stop
KLM Logo
9:45 am - 4:26 pm
BRU
-
MDW
13h 41m
1 stop
$1,178KLM
Sun, Apr 26 - Tue, May 5
Delta Logo
10:41 am - 7:40 am
MDW
-
BRU
13h 59m
1 stop
Delta Logo
9:45 am - 5:58 pm
BRU
-
MDW
15h 13m
2 stops
$1,191Delta
Sun, Apr 26 - Tue, May 5
Multiple Airlines Logo
12:05 pm - 12:55 pm
MDW
-
BRU
17h 50m
2 stops
Multiple Airlines Logo
1:50 pm - 12:20 am
BRU
-
MDW
17h 30m
2 stops
$1,200Multiple Airlines
Sat, Apr 25 - Sun, May 3
Delta Logo
12:52 pm - 7:40 am
MDW
-
BRU
11h 48m
1 stop
Delta Logo
9:45 am - 4:26 pm
BRU
-
MDW
13h 41m
1 stop
$1,224Delta
Sun, Apr 26 - Tue, May 5
KLM Logo
10:41 am - 7:40 am
MDW
-
BRU
13h 59m
1 stop
KLM Logo
9:45 am - 4:26 pm
BRU
-
MDW
13h 41m
1 stop
$1,225KLM
Sun, Apr 26 - Tue, May 5

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
Apr 19
ORD8:10 pmChicago O'Hare Intl
34h 15m
1 stop
BRU1:25 pmBrussels Bruxelles-National
May 6
BRU7:20 amBrussels Bruxelles-National
17h 55m
1 stop
ORD6:15 pmChicago O'Hare Intl
$552
Turkish Airlines
Apr 23
ORD8:10 pmChicago O'Hare Intl
31h 00m
1 stop
BRU10:10 amBrussels Bruxelles-National
Apr 30
BRU6:55 pmBrussels Bruxelles-National
21h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$561
Turkish Airlines
Apr 23
ORD8:10 pmChicago O'Hare Intl
31h 00m
1 stop
BRU10:10 amBrussels Bruxelles-National
May 4
BRU11:10 amBrussels Bruxelles-National
29h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$589

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
Apr 27
ORD7:15 pmChicago O'Hare Intl
12h 20m
1 stop
BRU2:35 pmBrussels Bruxelles-National
May 3
BRU8:30 pmBrussels Bruxelles-National
26h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
$655
Scandinavian Airlines
Apr 20
ORD1:06 pmChicago O'Hare Intl
22h 24m
2 stops
BRU6:30 pmBrussels Bruxelles-National
May 1
BRU5:45 amBrussels Bruxelles-National
17h 25m
1 stop
ORD4:10 pmChicago O'Hare Intl
$660
Scandinavian Airlines
Apr 29
ORD7:15 pmChicago O'Hare Intl
12h 20m
1 stop
BRU2:35 pmBrussels Bruxelles-National
May 11
BRU10:20 amBrussels Bruxelles-National
12h 50m
1 stop
ORD4:10 pmChicago O'Hare Intl
$671

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Brussels Bruxelles-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 29, 2026.
Use the filters below to find and compare flights from Chicago to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/19

8:10 pm-1:25 pm

1 stop34h 15m

Brussels Bruxelles-National

Wed 5/6

7:20 am-6:15 pm

1 stop17h 55m

$552

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 4/23

8:10 pm-10:10 am

1 stop31h 00m

Brussels Bruxelles-National

Thu 4/30

6:55 pm-9:40 am

1 stop21h 45m

$561

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/24

10:25 pm-12:55 pm

1 stop31h 30m

Brussels Bruxelles-National

Fri 5/1

1:50 pm-6:15 pm

1 stop11h 25m

$584
Quickest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 4/25

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Wed 5/6

1:50 pm-6:15 pm

1 stop11h 25m

$587

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/24

10:25 pm-12:55 pm

1 stop31h 30m

Brussels Bruxelles-National

Thu 5/7

1:50 pm-6:15 pm

1 stop11h 25m

$588

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/26

10:41 am-7:40 am

1 stop13h 59m

Brussels Bruxelles-National

Tue 5/5

9:45 am-4:26 pm

1 stop13h 41m

$1,178

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/26

10:41 am-7:40 am

1 stop13h 59m

Brussels Bruxelles-National

Tue 5/5

9:45 am-5:58 pm

2 stops15h 13m

$1,191

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sat 4/25

12:05 pm-12:55 pm

2 stops17h 50m

Brussels Bruxelles-National

Sun 5/3

1:50 pm-12:20 am

2 stops17h 30m

$1,200

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/26

12:52 pm-7:40 am

1 stop11h 48m

Brussels Bruxelles-National

Tue 5/5

9:45 am-4:26 pm

1 stop13h 41m

$1,224

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

Sun 4/26

10:41 am-7:40 am

1 stop13h 59m

Brussels Bruxelles-National

Tue 5/5

9:45 am-4:26 pm

1 stop13h 41m

$1,225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Chicago and Brussels Bruxelles-National Airport?

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 February. Flight prices, which tend to average around $512, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Brussels Bruxelles-National Airport from Chicago during January instead. Flights to Brussels Bruxelles-National Airport in January, while not as cheap as those in February, still average around $556.

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 Tuesday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Tuesday will often find tickets for as low as $1,054. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Brussels Bruxelles-National Airport for around $1,385.

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 weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $721 when searching 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 $475 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?

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

$797

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 $797. The best round-trip flight deal from Chicago to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $1,098.
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.
Search flight deals

  • 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 00m, 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
Scandinavian AirlinesPriceFrom $298Free CancellationRating
7.3
1,727 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $418Free CancellationRating
7.0
627 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $419Free CancellationRating
7.4
4,286 reviews
Search Turkish Airlines flights
TAP AIR PORTUGALPriceFrom $444Free CancellationRating
7.1
2,184 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $531Free CancellationRating
7.2
1,491 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
9,509 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.2
396 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $969Free CancellationRating
6.8
7,872 reviews
Search Lufthansa 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 9,509 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 $589 (round-trip), much lower than the average airfare cost of $1,036 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 $752 round-trip, depending on your selected dates, with average Brussels Airlines deals seen on momondo around $1,765. Brussels Airlines operates 7 flights to Brussels Bruxelles-National Airport from Chicago in an average week. Users have rated it 7.2/10 across 396 reviews.

Traveling to a place near Brussels?

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

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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