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Cheap flights from Chicago O'Hare Intl Airport to Belgium from $256

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 9/21. 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

Scandinavian Airlines Logo
7:20 pm - 8:55 pmORD-BRU
18h 35m2 stops
Scandinavian Airlines Logo
11:30 am - 4:45 pmBRU-ORD
36h 15m2 stops
$428Scandinavian Airlines
Find Deal
dom., nov. 30 - mar., dic. 9
Scandinavian Airlines Logo
7:20 pm - 11:55 amORD-BRU
33h 35m2 stops
Scandinavian Airlines Logo
3:10 pm - 4:45 pmBRU-ORD
32h 35m1 stop
$432Scandinavian Airlines
Find Deal
vie., nov. 28 - dom., dic. 7
Scandinavian Airlines Logo
7:15 pm - 3:20 pmORD-BRU
13h 05m1 stop
Scandinavian Airlines Logo
8:30 pm - 5:55 pmBRU-ORD
27h 25m1 stop
$435Scandinavian Airlines
Find Deal
mar., oct. 21 - dom., oct. 26
Scandinavian Airlines Logo
7:20 pm - 11:55 amORD-BRU
33h 35m2 stops
Scandinavian Airlines Logo
8:30 pm - 4:45 pmBRU-ORD
27h 15m1 stop
$442Scandinavian Airlines
Find Deal
vie., nov. 28 - dom., dic. 7
Scandinavian Airlines Logo
7:20 pm - 8:55 pmORD-BRU
18h 35m2 stops
Scandinavian Airlines Logo
8:30 pm - 4:45 pmBRU-ORD
27h 15m1 stop
$444Scandinavian Airlines
Find Deal
jue., nov. 27 - dom., dic. 7
Scandinavian Airlines Logo
7:20 pm - 9:40 amORD-BRU
31h 20m1 stop
Scandinavian Airlines Logo
8:30 pm - 4:45 pmBRU-ORD
27h 15m1 stop
$445Scandinavian Airlines
Find Deal
vie., nov. 28 - dom., dic. 7
Scandinavian Airlines Logo
7:20 pm - 9:40 amORD-BRU
31h 20m1 stop
Scandinavian Airlines Logo
3:10 pm - 4:45 pmBRU-ORD
32h 35m1 stop
$446Scandinavian Airlines
Find Deal
sáb., nov. 29 - dom., dic. 7
Scandinavian Airlines Logo
7:20 pm - 10:50 amORD-BRU
32h 30m2 stops
Scandinavian Airlines Logo
8:30 pm - 4:45 pmBRU-ORD
27h 15m1 stop
$447Scandinavian Airlines
Find Deal
dom., dic. 14 - dom., dic. 28
Logo
8:40 am - 11:50 amORD-CRL
20h 10m2 stops
Logo
9:05 pm - 12:55 pmCRL-ORD
22h 50m2 stops
$636
Find Deal
jue., oct. 9 - jue., oct. 16
Logo
12:00 pm - 4:45 pmORD-CRL
21h 45m2 stops
Logo
6:50 pm - 4:10 pmCRL-ORD
28h 20m2 stops
$659
Find Deal
dom., oct. 5 - mar., oct. 14

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
Nov 30
ORD7:20 pmChicago O'Hare Intl
18h 35m
2 stops
BRU8:55 pmBrussels Bruxelles-National
Dec 9
BRU11:30 amBrussels Bruxelles-National
36h 15m
2 stops
ORD4:45 pmChicago O'Hare Intl
$428
Find similar
Scandinavian Airlines
Nov 28
ORD7:20 pmChicago O'Hare Intl
33h 35m
2 stops
BRU11:55 amBrussels Bruxelles-National
Dec 7
BRU3:10 pmBrussels Bruxelles-National
32h 35m
1 stop
ORD4:45 pmChicago O'Hare Intl
$432
Find similar
Scandinavian Airlines
Oct 21
ORD7:15 pmChicago O'Hare Intl
13h 05m
1 stop
BRU3:20 pmBrussels Bruxelles-National
Oct 26
BRU8:30 pmBrussels Bruxelles-National
27h 25m
1 stop
ORD5:55 pmChicago O'Hare Intl
$435
Find similar

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

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Belgium flight tickets
Turkish Airlines
Aug 19
ORD11:25 amChicago O'Hare Intl
23h 25m
1 stop
BRU5:50 pmBrussels Bruxelles-National
Aug 30
BRU7:15 amBrussels Bruxelles-National
33h 25m
1 stop
ORD9:40 amChicago O'Hare Intl
$2,683
Find similar
Turkish Airlines
Aug 19
ORD11:25 amChicago O'Hare Intl
15h 25m
1 stop
BRU9:50 amBrussels Bruxelles-National
Aug 30
BRU2:25 pmBrussels Bruxelles-National
26h 15m
1 stop
ORD9:40 amChicago O'Hare Intl
$2,847
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 agosto 14, 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

dom. 11/30

7:20 pm-8:55 pm

2 stops18h 35m

Brussels Bruxelles-National

mar. 12/9

11:30 am-4:45 pm

2 stops36h 15m

$428

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

vie. 11/28

7:20 pm-11:55 am

2 stops33h 35m

Brussels Bruxelles-National

dom. 12/7

3:10 pm-4:45 pm

1 stop32h 35m

$432

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mar. 10/21

7:15 pm-3:20 pm

1 stop13h 05m

Brussels Bruxelles-National

dom. 10/26

8:30 pm-5:55 pm

1 stop27h 25m

$435

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

vie. 11/28

7:20 pm-11:55 am

2 stops33h 35m

Brussels Bruxelles-National

dom. 12/7

8:30 pm-4:45 pm

1 stop27h 15m

$442

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

jue. 11/27

7:20 pm-8:55 pm

2 stops18h 35m

Brussels Bruxelles-National

dom. 12/7

8:30 pm-4:45 pm

1 stop27h 15m

$444

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

vie. 11/28

7:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

dom. 12/7

8:30 pm-4:45 pm

1 stop27h 15m

$445

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

sáb. 11/29

7:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

dom. 12/7

3:10 pm-4:45 pm

1 stop32h 35m

$446

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

dom. 12/14

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

dom. 12/28

8:30 pm-4:45 pm

1 stop27h 15m

$447

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

jue. 10/9

8:40 am-11:50 am

2 stops20h 10m

Charleroi Brussels

jue. 10/16

9:05 pm-12:55 pm

2 stops22h 50m

$636

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

dom. 10/5

12:00 pm-4:45 pm

2 stops21h 45m

Charleroi Brussels

mar. 10/14

6:50 pm-4:10 pm

2 stops28h 20m

$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, 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 $534. 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 $577.

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 $1,100. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,297. 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 $1,173. 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 $776 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 $597 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

$256

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Belgium

2 airports
The best one-way flight to Belgium from Chicago O'Hare Intl Airport in the past 72 hours is $256. The best round-trip flight deal from Chicago O'Hare Intl Airport to Belgium found on momondo in the last 72 hours is $428.
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 2 airports near Belgium: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)
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 $313Free CancellationRating
7.4
1,468 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $405Free CancellationRating
7.0
526 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
3,940 reviews
Search Turkish Airlines flights
KLMPriceFrom $506Free CancellationRating
7.8
1,381 reviews
Search KLM flights
Aer LingusPriceFrom $536Free CancellationRating
7.1
1,214 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $542Free CancellationRating
7.1
1,948 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
LufthansaPriceFrom $728Free CancellationRating
6.8
7,317 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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