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Cheap flights from Chicago O'Hare Intl Airport to Belgium from $229

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 Belgium departing on 2/8. 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 O'Hare Intl Airport to Belgium

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$391Icelandair
Sun, Apr 12 - Mon, Apr 20
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
$392Icelandair
Sun, Apr 12 - Mon, Apr 20
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m
1 stop
Icelandair Logo
1:50 pm - 9:25 pm
BRU
-
ORD
14h 35m
1 stop
$399Icelandair
Fri, Apr 24 - Wed, May 6
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m
1 stop
Icelandair Logo
1:50 pm - 9:25 pm
BRU
-
ORD
14h 35m
1 stop
$407Icelandair
Thu, May 7 - Mon, May 18
TAP AIR PORTUGAL Logo
7:10 pm - 5:05 pm
ORD
-
BRU
14h 55m
1 stop
TAP AIR PORTUGAL Logo
5:55 pm - 4:00 pm
BRU
-
ORD
28h 05m
1 stop
$441TAP AIR PORTUGAL
Wed, Mar 4 - Tue, Mar 10
Scandinavian Airlines Logo
7:20 pm - 10:50 am
ORD
-
BRU
32h 30m
2 stops
Scandinavian Airlines Logo
10:20 am - 4:45 pm
BRU
-
ORD
13h 25m
1 stop
$457Scandinavian Airlines
Mon, Mar 2 - Sat, Mar 7
Scandinavian Airlines Logo
7:15 pm - 2:35 pm
ORD
-
BRU
12h 20m
1 stop
Scandinavian Airlines Logo
3:15 pm - 4:10 pm
BRU
-
ORD
31h 55m
1 stop
$460Scandinavian Airlines
Fri, Apr 17 - Tue, Apr 28
Scandinavian Airlines Logo
7:15 pm - 12:00 pm
ORD
-
BRU
33h 45m
2 stops
Scandinavian Airlines Logo
9:10 pm - 4:10 pm
BRU
-
ORD
50h 00m
2 stops
$463Scandinavian Airlines
Fri, Apr 24 - Wed, May 6
Multiple Airlines Logo
9:00 pm - 6:15 pm
ORD
-
CRL
14h 15m
1 stop
Multiple Airlines Logo
9:20 am - 7:15 pm
CRL
-
ORD
16h 55m
1 stop
$543Multiple Airlines
Sun, Mar 29 - Wed, Apr 8
Multiple Airlines Logo
10:50 pm - 10:25 pm
ORD
-
CRL
17h 35m
2 stops
Multiple Airlines Logo
1:35 pm - 5:20 pm
CRL
-
ORD
33h 45m
2 stops
$557Multiple Airlines
Sun, Mar 15 - Tue, Mar 24

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Belgium

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Belgium flight tickets
Scandinavian Airlines
Mar 2
ORD7:20 pmChicago O'Hare Intl
32h 30m
2 stops
BRU10:50 amBrussels Bruxelles-National
Mar 7
BRU10:20 amBrussels Bruxelles-National
13h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$457
Scandinavian Airlines
Apr 17
ORD7:15 pmChicago O'Hare Intl
12h 20m
1 stop
BRU2:35 pmBrussels Bruxelles-National
Apr 28
BRU3:15 pmBrussels Bruxelles-National
31h 55m
1 stop
ORD4:10 pmChicago O'Hare Intl
$460
Scandinavian Airlines
Apr 24
ORD7:15 pmChicago O'Hare Intl
33h 45m
2 stops
BRU12:00 pmBrussels Bruxelles-National
May 6
BRU9:10 pmBrussels Bruxelles-National
50h 00m
2 stops
ORD4:10 pmChicago O'Hare Intl
$463

Icelandair flights from Chicago O'Hare Intl Airport to Belgium

Our best Icelandair deals on Chicago O'Hare Intl Airport to Belgium flight tickets
Icelandair
Apr 12
ORD7:25 pmChicago O'Hare Intl
10h 30m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Apr 20
BRU1:50 pmBrussels Bruxelles-National
11h 25m
1 stop
ORD6:15 pmChicago O'Hare Intl
$391
Icelandair
Apr 12
ORD7:25 pmChicago O'Hare Intl
10h 30m
1 stop
BRU12:55 pmBrussels Bruxelles-National
Apr 20
BRU1:50 pmBrussels Bruxelles-National
11h 25m
1 stop
ORD6:15 pmChicago O'Hare Intl
$392
Icelandair
Apr 24
ORD7:25 pmChicago O'Hare Intl
10h 30m
1 stop
BRU12:55 pmBrussels Bruxelles-National
May 6
BRU1:50 pmBrussels Bruxelles-National
14h 35m
1 stop
ORD9:25 pmChicago O'Hare Intl
$399

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Belgium 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 January 22, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/12

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Mon 4/20

1:50 pm-6:15 pm

1 stop11h 25m

$391

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 4/12

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Mon 4/20

1:50 pm-6:15 pm

1 stop11h 25m

$392

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/24

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Wed 5/6

1:50 pm-9:25 pm

1 stop14h 35m

$399

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 5/7

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Mon 5/18

1:50 pm-9:25 pm

1 stop14h 35m

$407

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 3/4

7:10 pm-5:05 pm

1 stop14h 55m

Brussels Bruxelles-National

Tue 3/10

5:55 pm-4:00 pm

1 stop28h 05m

$441

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/2

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

Sat 3/7

10:20 am-4:45 pm

1 stop13h 25m

$457

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/17

7:15 pm-2:35 pm

1 stop12h 20m

Brussels Bruxelles-National

Tue 4/28

3:15 pm-4:10 pm

1 stop31h 55m

$460

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 4/24

7:15 pm-12:00 pm

2 stops33h 45m

Brussels Bruxelles-National

Wed 5/6

9:10 pm-4:10 pm

2 stops50h 00m

$463

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/29

9:00 pm-6:15 pm

1 stop14h 15m

Charleroi Brussels

Wed 4/8

9:20 am-7:15 pm

1 stop16h 55m

$543

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 3/15

10:50 pm-10:25 pm

2 stops17h 35m

Charleroi Brussels

Tue 3/24

1:35 pm-5:20 pm

2 stops33h 45m

$557

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 Belgium from

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

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 Belgium?

In general, September is the cheapest month to fly from Chicago O'Hare Intl Airport to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $515. If you are unable to visit Belgium during the month of September, then departing from Chicago O'Hare Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $550.

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

Our data shows that Tuesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,066. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,364. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

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

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

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

You are more likely to see cheaper flights to Belgium from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $756 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Chicago O'Hare Intl Airport for as low as $500 on momondo.

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

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Belgium 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 Belgium flight deals and tips

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

Best Price Found

$668

Fastest flight time

8h 00m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Belgium

32 airports
The best one-way flight to Belgium from Chicago O'Hare Intl Airport in the past 72 hours is $668. The best round-trip flight deal from Chicago O'Hare Intl Airport to Belgium found on momondo in the last 72 hours is $936.
The fastest flight from Chicago O'Hare Intl Airport to Belgium takes 8h 00m
Direct flights go from Chicago O'Hare Intl Airport to Belgium on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There are 32 airports in Belgium. From Chicago O'Hare Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

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

    Prices for flights from Chicago O'Hare Intl Airport to Belgium were last updated today.

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

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

    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 Belgium.

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

    The necessary travel and health documents for your Belgium trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Belgium?

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Belgium with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $293Free CancellationRating
7.3
1,660 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $428Free CancellationRating
7.1
602 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $445Free CancellationRating
7.1
2,125 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
4,200 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $531Free CancellationRating
7.2
1,442 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $551Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.2
382 reviews
Search Brussels Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Belgium. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Belgium from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Belgium from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Belgium 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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