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Cheap flights from Chicago O'Hare Intl Airport to Belgium from $212

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 2/23. 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
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m1 stop
$386Icelandair
Sat, Jan 24 - Sun, Feb 1
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m1 stop
$387Icelandair
Thu, Jan 22 - Thu, Jan 29
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m1 stop
$392Icelandair
Wed, Jan 28 - Fri, Feb 6
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m1 stop
$401Icelandair
Thu, Apr 9 - Thu, Apr 23
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m1 stop
$406Icelandair
Wed, Apr 8 - Thu, Apr 23
Icelandair Logo
7:25 pm - 12:55 pm
ORD
-
BRU
10h 30m1 stop
Icelandair Logo
1:50 pm - 6:15 pm
BRU
-
ORD
11h 25m1 stop
$407Icelandair
Sat, Apr 25 - Thu, May 7
Scandinavian Airlines Logo
7:00 am - 9:40 am
ORD
-
BRU
43h 40m2 stops
Scandinavian Airlines Logo
7:10 pm - 4:10 pm
BRU
-
ORD
28h 00m1 stop
$410Scandinavian Airlines
Sun, Mar 29 - Tue, Apr 7
Scandinavian Airlines Logo
7:00 am - 9:40 am
ORD
-
BRU
43h 40m2 stops
Scandinavian Airlines Logo
6:55 pm - 4:10 pm
BRU
-
ORD
28h 15m2 stops
$412Scandinavian Airlines
Sun, Mar 29 - Tue, Apr 7
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m1 stop
$423Icelandair
Sat, Jan 17 - Sun, Jan 25
Multiple Airlines Logo
3:55 pm - 4:05 pm
ORD
-
CRL
17h 10m2 stops
Multiple Airlines Logo
7:00 am - 7:45 pm
CRL
-
ORD
19h 45m2 stops
$550Multiple Airlines
Wed, Jan 28 - Wed, Feb 4

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
Jan 24
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Feb 1
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$386
Find similar
Icelandair
Jan 22
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Jan 29
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$387
Find similar
Icelandair
Jan 28
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Feb 6
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$392
Find similar

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 29
ORD7:00 amChicago O'Hare Intl
43h 40m
2 stops
BRU9:40 amBrussels Bruxelles-National
Apr 7
BRU7:10 pmBrussels Bruxelles-National
28h 00m
1 stop
ORD4:10 pmChicago O'Hare Intl
$410
Find similar
Scandinavian Airlines
Mar 29
ORD7:00 amChicago O'Hare Intl
43h 40m
2 stops
BRU9:40 amBrussels Bruxelles-National
Apr 7
BRU6:55 pmBrussels Bruxelles-National
28h 15m
2 stops
ORD4:10 pmChicago O'Hare Intl
$412
Find similar
Scandinavian Airlines
Mar 10
ORD7:00 amChicago O'Hare Intl
20h 40m
2 stops
BRU9:40 amBrussels Bruxelles-National
Mar 17
BRU7:20 pmBrussels Bruxelles-National
28h 25m
2 stops
ORD5:45 pmChicago O'Hare Intl
$434
Find similar

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 December 4, 2025.
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

Sat 1/24

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Sun 2/1

12:50 pm-5:20 pm

1 stop11h 30m

$386

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 1/22

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Thu 1/29

12:50 pm-5:20 pm

1 stop11h 30m

$387

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 1/28

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Fri 2/6

12:50 pm-5:20 pm

1 stop11h 30m

$392

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Thu 4/9

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Thu 4/23

1:50 pm-6:15 pm

1 stop11h 25m

$401

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/8

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Thu 4/23

1:50 pm-6:15 pm

1 stop11h 25m

$406

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 4/25

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Thu 5/7

1:50 pm-6:15 pm

1 stop11h 25m

$407

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/29

7:00 am-9:40 am

2 stops43h 40m

Brussels Bruxelles-National

Tue 4/7

7:10 pm-4:10 pm

1 stop28h 00m

$410

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/29

7:00 am-9:40 am

2 stops43h 40m

Brussels Bruxelles-National

Tue 4/7

6:55 pm-4:10 pm

2 stops28h 15m

$412

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 1/17

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Sun 1/25

12:50 pm-5:20 pm

1 stop11h 30m

$423

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 1/28

3:55 pm-4:05 pm

2 stops17h 10m

Charleroi Brussels

Wed 2/4

7:00 am-7:45 pm

2 stops19h 45m

$550

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, October 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 $509. If you are unable to visit Belgium 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 $515.

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

Our data shows that Wednesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $1,110. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,342. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

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

Our most recent data shows that the best time of day to fly to Belgium is in the evening. Flights from Chicago O'Hare Intl Airport to Belgium during this time can be as low as $622. Flights to Belgium are more costly in the afternoon, with an average ticket price of $1,207. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $765 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 $486 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

$493

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Belgium

1 airport
The best one-way flight to Belgium from Chicago O'Hare Intl Airport in the past 72 hours is $493. The best round-trip flight deal from Chicago O'Hare Intl Airport to Belgium found on momondo in the last 72 hours is $939.
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 every day.
There is 1 airport near Belgium: 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 $298Free CancellationRating
7.4
1,592 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $428Free CancellationRating
7.0
584 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $445Free CancellationRating
7.1
2,081 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $536Free CancellationRating
7.2
1,384 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $551Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
LufthansaPriceFrom $1,020Free CancellationRating
6.8
7,612 reviews
Search Lufthansa 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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