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Cheap flights from Chicago O'Hare Intl Airport to Belgium from $221

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 4/19. 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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0 bags

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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.
Scandinavian Airlines Logo
8:20 pm - 7:50 pm
ORD
-
BRU
17h 30m
1 stop
Scandinavian Airlines Logo
5:45 am - 4:10 pm
BRU
-
ORD
17h 25m
1 stop
$467Scandinavian Airlines
Sun, Mar 22 - Wed, Apr 15
Scandinavian Airlines Logo
8:20 pm - 6:35 pm
ORD
-
BRU
16h 15m
1 stop
Scandinavian Airlines Logo
11:20 am - 4:10 pm
BRU
-
ORD
35h 50m
2 stops
$468Scandinavian Airlines
Sun, Mar 22 - Tue, Apr 21
Scandinavian Airlines Logo
8:20 pm - 6:35 pm
ORD
-
BRU
16h 15m
1 stop
Scandinavian Airlines Logo
7:10 pm - 4:10 pm
BRU
-
ORD
28h 00m
1 stop
$470Scandinavian Airlines
Sun, Mar 22 - Tue, Apr 21
Scandinavian Airlines Logo
8:20 pm - 7:50 pm
ORD
-
BRU
17h 30m
1 stop
Scandinavian Airlines Logo
9:15 pm - 4:10 pm
BRU
-
ORD
25h 55m
2 stops
$471Scandinavian Airlines
Mon, Mar 23 - Tue, Apr 14
Scandinavian Airlines Logo
8:20 pm - 7:50 pm
ORD
-
BRU
17h 30m
1 stop
Scandinavian Airlines Logo
8:30 pm - 4:10 pm
BRU
-
ORD
26h 40m
1 stop
$474Scandinavian Airlines
Mon, Mar 23 - Tue, Apr 14
Scandinavian Airlines Logo
7:15 pm - 2:35 pm
ORD
-
BRU
12h 20m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:10 pm
BRU
-
ORD
12h 50m
1 stop
$476Scandinavian Airlines
Wed, Apr 22 - Wed, Apr 29
Scandinavian Airlines Logo
8:20 pm - 6:35 pm
ORD
-
BRU
16h 15m
1 stop
Scandinavian Airlines Logo
9:10 pm - 4:10 pm
BRU
-
ORD
50h 00m
2 stops
$478Scandinavian Airlines
Sun, Mar 22 - Wed, Apr 15
Scandinavian Airlines Logo
7:15 pm - 8:30 pm
ORD
-
BRU
18h 15m
2 stops
Scandinavian Airlines Logo
10:20 am - 4:10 pm
BRU
-
ORD
12h 50m
1 stop
$479Scandinavian Airlines
Tue, Sep 1 - Wed, Sep 30
Multiple Airlines Logo
7:25 pm - 10:55 pm
ORD
-
CRL
20h 30m
2 stops
Multiple Airlines Logo
9:00 pm - 5:50 pm
CRL
-
ORD
27h 50m
2 stops
$535Multiple Airlines
Sun, Apr 26 - Tue, May 5
Multiple Airlines Logo
11:25 am - 8:50 pm
ORD
-
CRL
26h 25m
2 stops
Multiple Airlines Logo
6:40 am - 9:40 am
CRL
-
ORD
34h 00m
2 stops
$659Multiple Airlines
Wed, Apr 22 - Wed, Apr 29

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 22
ORD8:20 pmChicago O'Hare Intl
17h 30m
1 stop
BRU7:50 pmBrussels Bruxelles-National
Apr 15
BRU5:45 amBrussels Bruxelles-National
17h 25m
1 stop
ORD4:10 pmChicago O'Hare Intl
$467
Scandinavian Airlines
Mar 22
ORD8:20 pmChicago O'Hare Intl
16h 15m
1 stop
BRU6:35 pmBrussels Bruxelles-National
Apr 21
BRU11:20 amBrussels Bruxelles-National
35h 50m
2 stops
ORD4:10 pmChicago O'Hare Intl
$468
Scandinavian Airlines
Mar 22
ORD8:20 pmChicago O'Hare Intl
16h 15m
1 stop
BRU6:35 pmBrussels Bruxelles-National
Apr 21
BRU7:10 pmBrussels Bruxelles-National
28h 00m
1 stop
ORD4:10 pmChicago O'Hare Intl
$470

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
Apr 26
ORD3:45 pmChicago O'Hare Intl
10h 55m
1 stop
BRU9:40 amBrussels Bruxelles-National
May 5
BRU10:20 amBrussels Bruxelles-National
15h 55m
1 stop
ORD7:15 pmChicago O'Hare Intl
$534
Aer Lingus
Apr 26
ORD3:45 pmChicago O'Hare Intl
10h 55m
1 stop
BRU9:40 amBrussels Bruxelles-National
May 5
BRU10:20 amBrussels Bruxelles-National
15h 55m
1 stop
ORD7:15 pmChicago O'Hare Intl
$545

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 March 7, 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

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/22

8:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Wed 4/15

5:45 am-4:10 pm

1 stop17h 25m

$467

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/22

8:20 pm-6:35 pm

1 stop16h 15m

Brussels Bruxelles-National

Tue 4/21

11:20 am-4:10 pm

2 stops35h 50m

$468

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/22

8:20 pm-6:35 pm

1 stop16h 15m

Brussels Bruxelles-National

Tue 4/21

7:10 pm-4:10 pm

1 stop28h 00m

$470

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/23

8:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Tue 4/14

9:15 pm-4:10 pm

2 stops25h 55m

$471

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/23

8:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Tue 4/14

8:30 pm-4:10 pm

1 stop26h 40m

$474
Quickest round-trip

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 4/22

7:15 pm-2:35 pm

1 stop12h 20m

Brussels Bruxelles-National

Wed 4/29

10:20 am-4:10 pm

1 stop12h 50m

$476

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/22

8:20 pm-6:35 pm

1 stop16h 15m

Brussels Bruxelles-National

Wed 4/15

9:10 pm-4:10 pm

2 stops50h 00m

$478

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 9/1

7:15 pm-8:30 pm

2 stops18h 15m

Brussels Bruxelles-National

Wed 9/30

10:20 am-4:10 pm

1 stop12h 50m

$479

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/26

7:25 pm-10:55 pm

2 stops20h 30m

Charleroi Brussels

Tue 5/5

9:00 pm-5:50 pm

2 stops27h 50m

$535

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 4/22

11:25 am-8:50 pm

2 stops26h 25m

Charleroi Brussels

Wed 4/29

6:40 am-9:40 am

2 stops34h 00m

$659

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 $507. 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 $512.

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 $1,063. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,309. 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 $719 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 $475 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

$784

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 $784. The best round-trip flight deal from Chicago O'Hare Intl Airport to Belgium found on momondo in the last 72 hours is $937.
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

  • 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
7.3
1,705 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $433Free CancellationRating
7.1
617 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $444Free CancellationRating
7.1
2,163 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
4,249 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $531Free CancellationRating
7.2
1,471 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $589Free CancellationRating
7.4
9,405 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $752Free CancellationRating
7.2
389 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $969Free CancellationRating
6.8
7,833 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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