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Cheap flights from Chicago O'Hare Intl Airport to Belgium from $242

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 10/26. 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.

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 25m
1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
$548Icelandair
Wed, Nov 25 - Sun, Dec 6
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m
1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
$552Icelandair
Wed, Nov 4 - Thu, Nov 12
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m
1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
$558Icelandair
Mon, Nov 9 - Thu, Nov 19
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m
1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
$559Icelandair
Wed, Nov 4 - Thu, Nov 12
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m
1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
$566Icelandair
Mon, Nov 30 - Tue, Dec 8
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m
1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
$588Icelandair
Wed, Nov 25 - Sun, Nov 29
Icelandair Logo
6:30 pm - 11:55 am
ORD
-
BRU
10h 25m
1 stop
Icelandair Logo
12:50 pm - 5:20 pm
BRU
-
ORD
11h 30m
1 stop
$618Icelandair
Mon, Jan 18 - Tue, Jan 26
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
$621Icelandair
Wed, Sep 30 - Sun, Oct 11
Multiple Airlines Logo
6:30 pm - 10:05 pm
ORD
-
CRL
20h 35m
2 stops
Multiple Airlines Logo
2:50 pm - 5:20 pm
CRL
-
ORD
33h 30m
3 stops
$774Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
7:25 pm - 10:55 pm
ORD
-
CRL
20h 30m
2 stops
Multiple Airlines Logo
11:45 am - 2:00 pm
CRL
-
ORD
33h 15m
2 stops
$789Multiple Airlines
Tue, Sep 15 - Mon, Sep 21

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Aer Lingus flights from Chicago O'Hare Intl Airport to Belgium

Our best Aer Lingus deals on Chicago O'Hare Intl Airport to Belgium flight tickets
Aer Lingus
Nov 30
ORD11:45 amChicago O'Hare Intl
14h 50m
2 stops
BRU9:35 amBrussels Bruxelles-National
Dec 7
BRU10:15 amBrussels Bruxelles-National
16h 09m
2 stops
ORD7:24 pmChicago O'Hare Intl
$697
Aer Lingus
Nov 30
ORD11:45 amChicago O'Hare Intl
14h 50m
2 stops
BRU9:35 amBrussels Bruxelles-National
Dec 6
BRU10:15 amBrussels Bruxelles-National
16h 09m
2 stops
ORD7:24 pmChicago O'Hare Intl
$712
Aer Lingus
Jan 18
ORD1:20 pmChicago O'Hare Intl
13h 15m
2 stops
BRU9:35 amBrussels Bruxelles-National
Jan 25
BRU10:15 amBrussels Bruxelles-National
16h 45m
2 stops
ORD8:00 pmChicago O'Hare Intl
$722

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
Nov 25
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Dec 6
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$548
Icelandair
Dec 2
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Dec 8
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$550
Icelandair
Nov 4
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
BRU11:55 amBrussels Bruxelles-National
Nov 12
BRU12:50 pmBrussels Bruxelles-National
11h 30m
1 stop
ORD5:20 pmChicago O'Hare Intl
$552

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 July 23, 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

Cheapest round-trip
Quickest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 11/25

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Sun 12/6

12:50 pm-5:20 pm

1 stop11h 30m

$548

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 11/4

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Thu 11/12

12:50 pm-5:20 pm

1 stop11h 30m

$552

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 11/9

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Thu 11/19

12:50 pm-5:20 pm

1 stop11h 30m

$558

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 11/4

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Thu 11/12

12:50 pm-5:20 pm

1 stop11h 30m

$559

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 11/30

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Tue 12/8

12:50 pm-5:20 pm

1 stop11h 30m

$566

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 11/25

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Sun 11/29

12:50 pm-5:20 pm

1 stop11h 30m

$588

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 1/18

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

Tue 1/26

12:50 pm-5:20 pm

1 stop11h 30m

$618

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 9/30

7:25 pm-12:55 pm

1 stop10h 30m

Brussels Bruxelles-National

Sun 10/11

1:50 pm-6:15 pm

1 stop11h 25m

$621

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 11/25

6:30 pm-10:05 pm

2 stops20h 35m

Charleroi Brussels

Wed 12/2

2:50 pm-5:20 pm

3 stops33h 30m

$774

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Tue 9/15

7:25 pm-10:55 pm

2 stops20h 30m

Charleroi Brussels

Mon 9/21

11:45 am-2:00 pm

2 stops33h 15m

$789

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, April 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 $610. If you are unable to visit Belgium during the month of April, then departing from Chicago O'Hare Intl Airport during the month December is also very affordable. Most momondo users find prices during this month for around $669.

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 $1,099. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,422. 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 $1,234. Flights to Belgium are more costly in the afternoon, with an average ticket price of $1,269. 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 from Chicago O'Hare Intl Airport 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 $858 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 $572 on momondo.

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

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport 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

$816

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Belgium

32 airports
The best one-way flight to Belgium from Chicago O'Hare Intl Airport in the past 72 hours is $816. The best round-trip flight deal from Chicago O'Hare Intl Airport to Belgium found on momondo in the last 72 hours is $1,233.
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 are 32 airports in Belgium. From Chicago O'Hare Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Belgium

  • 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
IcelandairPriceFrom $418Free CancellationRating
7.0
715 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $444Free CancellationRating
7.2
2,342 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $448Free CancellationRating
7.4
1,895 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $531Free CancellationRating
7.3
1,678 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $582Free CancellationRating
7.4
4,449 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $692Free CancellationRating
7.4
10,021 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.2
422 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $969Free CancellationRating
6.8
8,159 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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