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Cheap flights from Chicago to Belgium from $246

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 to Belgium departing on 11/16. 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
0 bags

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Cheap round-trip flights

Icelandair Logo
6:30 pm - 11:55 amORD-BRU
10h 25m1 stop
Icelandair Logo
12:50 pm - 5:20 pmBRU-ORD
11h 30m1 stop
$423Icelandair
Find Deal
mié., ene. 28 - vie., feb. 6
Icelandair Logo
7:25 pm - 12:50 pmORD-BRU
10h 25m1 stop
Icelandair Logo
1:50 pm - 6:15 pmBRU-ORD
11h 25m1 stop
$425Icelandair
Find Deal
dom., oct. 5 - jue., oct. 16
Scandinavian Airlines Logo
7:20 pm - 10:50 amORD-BRU
32h 30m2 stops
Scandinavian Airlines Logo
11:30 am - 4:45 pmBRU-ORD
36h 15m2 stops
$428Scandinavian Airlines
Find Deal
mié., nov. 5 - mar., dic. 9
Scandinavian Airlines Logo
7:20 pm - 10:50 amORD-BRU
32h 30m2 stops
Scandinavian Airlines Logo
3:10 pm - 4:45 pmBRU-ORD
32h 35m1 stop
$432Scandinavian Airlines
Find Deal
mié., nov. 5 - mar., dic. 9
Scandinavian Airlines Logo
7:20 pm - 11:55 amORD-BRU
33h 35m2 stops
Scandinavian Airlines Logo
7:45 pm - 4:45 pmBRU-ORD
28h 00m2 stops
$433Scandinavian Airlines
Find Deal
vie., nov. 28 - dom., dic. 7
Logo
8:40 am - 8:05 pmORD-CRL
28h 25m2 stops
Logo
9:05 pm - 3:55 pmCRL-ORD
25h 50m2 stops
$607
Find Deal
lun., oct. 13 - mar., oct. 21
Logo
6:00 pm - 5:45 pmORD-CRL
16h 45m2 stops
Logo
10:05 am - 4:00 pmCRL-ORD
35h 55m2 stops
$623
Find Deal
dom., oct. 19 - mar., oct. 28
Delta Logo
10:47 am - 9:00 amMDW-BRU
15h 13m2 stops
Delta Logo
8:05 am - 6:07 pmBRU-MDW
17h 02m2 stops
$825Delta
Find Deal
mié., nov. 26 - vie., dic. 5
Air France Logo
5:04 pm - 8:40 amMDW-BRU
32h 36m1 stop
Air France Logo
10:00 am - 10:14 pmBRU-MDW
18h 14m2 stops
$889Air France
Find Deal
lun., oct. 20 - sáb., nov. 1
Delta Logo
9:30 am - 7:35 amMDW-BRU
15h 05m2 stops
Delta Logo
8:05 am - 4:25 pmBRU-MDW
15h 20m2 stops
$906Delta
Find Deal
jue., ene. 1 - vie., ene. 16

Air France flights from Chicago to Belgium

Our best Air France deals on Chicago to Belgium flight tickets
Air France
Oct 20
MDW5:04 pmChicago Midway
32h 36m
1 stop
BRU8:40 amBrussels Bruxelles-National
Nov 1
BRU10:00 amBrussels Bruxelles-National
18h 14m
2 stops
MDW10:14 pmChicago Midway
$889
Find similar
Air France
Sep 6
MDW10:31 amChicago Midway
15h 09m
1 stop
BRU8:40 amBrussels Bruxelles-National
Sep 12
BRU10:45 amBrussels Bruxelles-National
13h 50m
1 stop
MDW5:35 pmChicago Midway
$1,864
Find similar

KLM flights from Chicago to Belgium

Our best KLM deals on Chicago to Belgium flight tickets
KLM
Jan 28
MDW1:00 pmChicago Midway
11h 35m
2 stops
BRU7:35 amBrussels Bruxelles-National
Feb 6
BRU8:05 amBrussels Bruxelles-National
15h 20m
2 stops
MDW4:25 pmChicago Midway
$908
Find similar
KLM
Oct 19
MDW9:35 amChicago Midway
14h 55m
2 stops
BRU7:30 amBrussels Bruxelles-National
Oct 28
BRU10:00 amBrussels Bruxelles-National
18h 14m
2 stops
MDW10:14 pmChicago Midway
$1,034
Find similar
KLM
Sep 18
MDW12:43 pmChicago Midway
12h 57m
1 stop
BRU8:40 amBrussels Bruxelles-National
Sep 26
BRU10:45 amBrussels Bruxelles-National
14h 06m
1 stop
MDW5:51 pmChicago Midway
$1,616
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 28, 2025.
Use the filters below to find and compare flights from Chicago to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mié. 1/28

6:30 pm-11:55 am

1 stop10h 25m

Brussels Bruxelles-National

vie. 2/6

12:50 pm-5:20 pm

1 stop11h 30m

$423

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

dom. 10/5

7:25 pm-12:50 pm

1 stop10h 25m

Brussels Bruxelles-National

jue. 10/16

1:50 pm-6:15 pm

1 stop11h 25m

$425

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mié. 11/5

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

mar. 12/9

11:30 am-4:45 pm

2 stops36h 15m

$428

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

mié. 11/5

7:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

mar. 12/9

3:10 pm-4:45 pm

1 stop32h 35m

$432

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

7:45 pm-4:45 pm

2 stops28h 00m

$433

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

lun. 10/13

8:40 am-8:05 pm

2 stops28h 25m

Charleroi Brussels

mar. 10/21

9:05 pm-3:55 pm

2 stops25h 50m

$607

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

dom. 10/19

6:00 pm-5:45 pm

2 stops16h 45m

Charleroi Brussels

mar. 10/28

10:05 am-4:00 pm

2 stops35h 55m

$623

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

mié. 11/26

10:47 am-9:00 am

2 stops15h 13m

Brussels Bruxelles-National

vie. 12/5

8:05 am-6:07 pm

2 stops17h 02m

$825

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

lun. 10/20

5:04 pm-8:40 am

1 stop32h 36m

Brussels Bruxelles-National

sáb. 11/1

10:00 am-10:14 pm

2 stops18h 14m

$889

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

jue. 1/1

9:30 am-7:35 am

2 stops15h 05m

Brussels Bruxelles-National

vie. 1/16

8:05 am-4:25 pm

2 stops15h 20m

$906

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 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 to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $570. If you are unable to visit Belgium during the month of October, then departing from Chicago during the month April is also very affordable. Most momondo users find prices during this month for around $579.

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 $1,097. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,308. 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 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 $1,179. 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 to Belgium flight route?

Fly from Chicago O'Hare Intl to Brussels Bruxelles-National for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around $779 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Chicago for as low as $597 on momondo.

What cabin class options are available on Chicago to Belgium flights?

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

Find info about flight duration, direct flights, and airports for your flight from Chicago to Belgium

Best Price Found

$612

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Belgium

1 airport
The best one-way flight to Belgium from Chicago in the past 72 hours is $612. The best round-trip flight deal from Chicago to Belgium found on momondo in the last 72 hours is $751.
The fastest flight from Chicago to Belgium takes 8h 00m
Direct flights go from Chicago 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 to Belgium?

    Prices for flights from Chicago to Belgium were last updated today.

  • How many operators does momondo search for flights from Chicago to Belgium?

  • How old do you have to be to fly from Chicago to Belgium?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Belgium.

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

    The travel and health documents required for your trip to Belgium can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belgium. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Chicago to Belgium?

Best airlines flying from Chicago to Belgium

Compare and see reviews for airlines that fly from Chicago to Belgium with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $312Free CancellationRating
7.4
1,481 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $405Free CancellationRating
7.0
534 reviews
Search Icelandair flights
Turkish AirlinesPriceFrom $492Free CancellationRating
7.3
3,954 reviews
Search Turkish Airlines flights
KLMPriceFrom $506Free CancellationRating
7.8
1,382 reviews
Search KLM flights
Aer LingusPriceFrom $536Free CancellationRating
7.2
1,239 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom $542Free CancellationRating
7.1
1,963 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $590Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
LufthansaPriceFrom $728Free CancellationRating
6.8
7,368 reviews
Search Lufthansa flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belgium from Chicago.

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

All flight searches from Chicago to Belgium on momondo can be filtered to show those which offer flexible booking policies.

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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