Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 3:15 pm
ORD
-
BRU
36h 05m
1 stop
Turkish Airlines Logo
7:20 am - 9:40 am
BRU
-
ORD
33h 20m
1 stop
$552Turkish Airlines
Wed, Apr 22 - Wed, Apr 29
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
Turkish Airlines Logo
8:10 pm - 10:10 am
ORD
-
BRU
31h 00m
1 stop
Turkish Airlines Logo
11:10 am - 9:40 am
BRU
-
ORD
29h 30m
1 stop
$589Turkish Airlines
Thu, Apr 23 - Mon, May 4
Turkish Airlines Logo
11:25 am - 10:10 am
ORD
-
BRU
15h 45m
1 stop
Turkish Airlines Logo
6:50 pm - 9:40 am
BRU
-
ORD
21h 50m
1 stop
$591Turkish Airlines
Sun, Apr 26 - Fri, Jun 12
Turkish Airlines Logo
11:25 am - 10:10 am
ORD
-
BRU
15h 45m
1 stop
Turkish Airlines Logo
11:20 am - 9:40 am
BRU
-
ORD
29h 20m
1 stop
$592Turkish Airlines
Wed, Apr 22 - Tue, Apr 28
Turkish Airlines Logo
8:10 pm - 9:25 pm
ORD
-
BRU
18h 15m
1 stop
Turkish Airlines Logo
6:55 pm - 9:40 am
BRU
-
ORD
21h 45m
1 stop
$598Turkish Airlines
Mon, Apr 20 - Thu, May 7
Multiple Airlines Logo
11:25 am - 7:00 pm
ORD
-
CRL
24h 35m
2 stops
Multiple Airlines Logo
2:45 pm - 6:15 pm
CRL
-
ORD
34h 30m
2 stops
$651Multiple Airlines
Sun, Apr 26 - Tue, May 5

Turkish Airlines flights from Chicago O'Hare Intl Airport to Brussels

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Brussels flight tickets
Turkish Airlines
Apr 22
ORD8:10 pmChicago O'Hare Intl
36h 05m
1 stop
BRU3:15 pmBrussels Bruxelles-National
Apr 29
BRU7:20 amBrussels Bruxelles-National
33h 20m
1 stop
ORD9:40 amChicago 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

TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to Brussels

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to Brussels flight tickets
TAP AIR PORTUGAL
Apr 25
ORD6:05 pmChicago O'Hare Intl
14h 00m
1 stop
BRU3:05 pmBrussels Bruxelles-National
May 12
BRU3:55 pmBrussels Bruxelles-National
31h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
$648
TAP AIR PORTUGAL
Mar 29
ORD6:00 pmChicago O'Hare Intl
22h 55m
1 stop
BRU11:55 pmBrussels Bruxelles-National
Apr 7
BRU8:55 pmBrussels Bruxelles-National
26h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
$929
TAP AIR PORTUGAL
Mar 29
ORD6:00 pmChicago O'Hare Intl
22h 55m
1 stop
BRU11:55 pmBrussels Bruxelles-National
Apr 7
BRU8:55 pmBrussels Bruxelles-National
26h 05m
1 stop
ORD4:00 pmChicago O'Hare Intl
$1,024

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Brussels 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 28, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/22

8:10 pm-3:15 pm

1 stop36h 05m

Brussels Bruxelles-National

Wed 4/29

7:20 am-9:40 am

1 stop33h 20m

$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

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 4/23

8:10 pm-10:10 am

1 stop31h 00m

Brussels Bruxelles-National

Mon 5/4

11:10 am-9:40 am

1 stop29h 30m

$589

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/26

11:25 am-10:10 am

1 stop15h 45m

Brussels Bruxelles-National

Fri 6/12

6:50 pm-9:40 am

1 stop21h 50m

$591

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/22

11:25 am-10:10 am

1 stop15h 45m

Brussels Bruxelles-National

Tue 4/28

11:20 am-9:40 am

1 stop29h 20m

$592

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 4/20

8:10 pm-9:25 pm

1 stop18h 15m

Brussels Bruxelles-National

Thu 5/7

6:55 pm-9:40 am

1 stop21h 45m

$598

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/26

11:25 am-7:00 pm

2 stops24h 35m

Charleroi Brussels

Tue 5/5

2:45 pm-6:15 pm

2 stops34h 30m

$651

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Brussels from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Brussels

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 O'Hare Intl Airport and Brussels?

What is the cheapest month to fly to Brussels?

In general, October is the cheapest month to fly from Chicago O'Hare Intl Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $507. If you are unable to visit Brussels during the month of October, then departing from Chicago O'Hare Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $513.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Chicago O'Hare Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,065. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,351.

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

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

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels 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 from Chicago O'Hare Intl Airport for as low as $475 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Brussels flights?

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

Cheap Chicago O'Hare Intl Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Brussels

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Brussels

2 airports
The fastest flight from Chicago O'Hare Intl Airport to Brussels takes 8h 00m
Direct flights go from Chicago O'Hare Intl Airport to Brussels every day.
There are 2 airports in Brussels. From Chicago O'Hare Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

  • How far is Chicago O'Hare Intl to Brussels by plane?

    The straight-line distance from Chicago O'Hare Intl to Brussels is 4141.6 mi. By plane, this route typically takes 8h 00m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Brussels?

    Prices for flights from Chicago O'Hare Intl Airport to Brussels are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Brussels?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Brussels?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The required travel and health documents for your Brussels trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brussels. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Chicago O'Hare Intl Airport to Brussels

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Brussels with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $298Free CancellationRating
7.3
1,725 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $418Free CancellationRating
7.0
627 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $419Free CancellationRating
7.4
4,285 reviews
Search Turkish Airlines flights
TAP AIR PORTUGALPriceFrom $444Free CancellationRating
7.1
2,182 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
9,500 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.2
395 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $969Free CancellationRating
6.8
7,871 reviews
Search Lufthansa flights

Why use momondo?

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

It is quick and easy to find Chicago to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

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

Yes. All flights to Brussels from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from Chicago.

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

Yes. momondo can track prices for Chicago to Brussels flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 4/27
Mon 5/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport