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$261+ Cheap flights from Chicago (CHI) to Belgium

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Chicago to Belgium

Cheapest flights from Chicago to Belgium
Explore the most affordable flight options available from Chicago to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 pm
ORD
-
BRU
1 stop19h 05m
TAP AIR PORTUGAL
Sat 5/165:55 am
BRU
-
ORD
1 stop17h 20m
TAP AIR PORTUGAL
Deal found 1/26$440
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 pm
ORD
-
BRU
1 stop14h 05m
TAP AIR PORTUGAL
Wed 5/65:55 am
BRU
-
ORD
1 stop17h 05m
TAP AIR PORTUGAL
Deal found 1/27$441
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:10 pm
ORD
-
BRU
1 stop14h 55m
TAP AIR PORTUGAL
Tue 3/105:55 pm
BRU
-
ORD
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 1/27$442
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:15 pm
ORD
-
BRU
1 stop13h 50m
TAP AIR PORTUGAL
Sat 5/165:55 am
BRU
-
ORD
1 stop17h 20m
TAP AIR PORTUGAL
Deal found 1/26$456
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:15 pm
ORD
-
BRU
1 stop16h 15m
Scandinavian Airlines
Wed 4/225:45 am
BRU
-
ORD
1 stop17h 25m
Scandinavian Airlines
Deal found 1/27$459
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:15 pm
ORD
-
BRU
1 stop31h 45m
TAP AIR PORTUGAL
Sun 3/86:00 am
BRU
-
ORD
1 stop15h 45m
TAP AIR PORTUGAL
Deal found 1/27$462
This CrystalTravel deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:20 pm
ORD
-
BRU
1 stop12h 10m
Scandinavian Airlines
Wed 3/1110:20 am
BRU
-
ORD
1 stop13h 25m
Scandinavian Airlines
Deal found 1/28$463
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:20 pm
ORD
-
BRU
2 stops32h 30m
Scandinavian Airlines
Fri 3/1310:20 am
BRU
-
ORD
1 stop13h 35m
Scandinavian Airlines
Deal found 1/27$467
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:20 pm
ORD
-
BRU
1 stop16h 15m
Scandinavian Airlines
Wed 3/410:20 am
BRU
-
ORD
1 stop13h 25m
Scandinavian Airlines
Deal found 1/28$470
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/59:00 pm
ORD
-
CRL
1 stop17h 25m
Multiple Airlines
Fri 4/109:50 am
CRL
-
ORD
1 stop16h 25m
Multiple Airlines
Deal found 1/27$538
This Mytrip deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:50 pm
ORD
-
CRL
2 stops19h 05m
Multiple Airlines
Wed 3/412:50 pm
CRL
-
ORD
2 stops31h 35m
Multiple Airlines
Deal found 1/28$650
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:30 pm
ORD
-
CRL
2 stops19h 25m
Multiple Airlines
Sun 3/87:15 am
CRL
-
ORD
3 stops32h 24m
Multiple Airlines
Deal found 1/27$661

Find flight deals from Chicago to Belgium

Keep the following information in mind while searching for Chicago to Belgium flight deals. Data was last updated January 29, 2026.

Round-trip from

$440
(oojo)

One-way from

$261
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$669

Good round-trip deal

$944 or less

Good one-way deal

$658 or less
From Chicago (CHI) to Belgium
Search Deals
One-way flight from Chicago (CHI) to Belgium
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($349 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Belgium.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Belgium.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Chicago to Belgium that are best for you.

Fly from

Chicago

Fly to

Belgium

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 2/23

7:20 pm-7:50 pm

1 stop17h 30m

Brussels Bruxelles-National

Fri 2/27

10:20 am-4:45 pm

1 stop13h 25m

$502

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sun 4/5

9:00 pm-9:25 pm

1 stop17h 25m

Charleroi Brussels

Fri 4/10

9:50 am-7:15 pm

1 stop16h 25m

$538

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Fri 2/27

7:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

Fri 3/6

7:20 pm-4:45 pm

2 stops28h 25m

$551

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/16

8:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

Sun 3/22

8:30 pm-9:49 pm

2 stops31h 19m

$574

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 3/15

8:20 pm-6:35 pm

1 stop16h 15m

Brussels Bruxelles-National

Sun 3/22

8:30 pm-9:49 pm

2 stops31h 19m

$579

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 2/8

7:10 pm-10:50 am

2 stops32h 40m

Brussels Bruxelles-National

Wed 2/11

10:20 am-4:45 pm

1 stop13h 25m

$591

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 5/12

10:10 am-2:35 pm

2 stops21h 25m

Brussels Bruxelles-National

Tue 5/19

10:20 am-4:10 pm

1 stop12h 50m

$614

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 3/9

8:20 pm-10:50 am

2 stops32h 30m

Brussels Bruxelles-National

Fri 3/13

6:30 am-5:55 pm

2 stops17h 25m

$616

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 5/4

7:15 pm-10:40 am

2 stops32h 25m

Brussels Bruxelles-National

Sun 5/10

8:30 pm-4:10 pm

1 stop26h 40m

$616

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Wed 2/25

6:50 pm-8:55 pm

2 stops19h 05m

Charleroi Brussels

Wed 3/4

12:50 pm-1:25 pm

2 stops31h 35m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 49 results
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Best time to book a flight from Chicago to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Belgium

What is the cheapest month to book a flight from Chicago to Belgium?

Currently, September is the cheapest month in which you can book a flight from Chicago to Belgium (average of $293). Flying from Chicago to Belgium in April is currently the most expensive (average of $525). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to BE?

Find hourly flight availability from Chicago to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

When flying from Chicago to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Chicago to Belgium

Explore weekly flight availability from Chicago to Belgium. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from CHI to BE0 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated January 29, 2026.
See what other customers who have flown with United Airlines, Turkish Airlines, and Scandinavian Airlines from Chicago to Belgium have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Turkish Airlines
7.3
Good
4,208 reviews
United Airlines
7.4
Good
9,215 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Scandinavian Airlines
7.3
Good
1,674 reviews
United Airlines
7.4
Good
9,215 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,443 reviews
United Airlines
7.4
Good
9,215 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.1
Good
606 reviews
United Airlines
7.4
Good
9,215 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Chicago to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Belgium?

    There are many flights that can get you from Chicago to Belgium in 11h 47m. Fly via Scandinavian Airlines or Delta to get the fastest option. There are 4148 mi between Chicago and Belgium. This flight may include one or multiple stops.

  • What are the most popular routes from Chicago to Belgium?

    When deciding which route to take from Chicago to Belgium consider Chicago O'Hare Intl - Brussels Bruxelles-National, Chicago Midway - Brussels Bruxelles-National or Chicago O'Hare Intl - Charleroi Brussels as they are the most popular.

  • What are the most reliable airlines from Chicago to Belgium?

    Consider Air Canada (27%), Austrian Airlines (27%) or Brussels Airlines (27%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Belgium.

  • What are the cheapest flights from Chicago to Belgium?

    Looking at all options, your cheapest flight can be booked for $476. While the most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National) can be booked for $441 on average, our data indicates $1,209 when flying from Chicago to Belgium.

  • Can I find deals for flights from Chicago to Belgium that include hotel bookings?

    Yes. In addition to deals on Chicago to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Belgium?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Belgium.

  • Can I find deals for business class flights from Chicago to Belgium?

    Yes. Cheapflights offers flight deals from Chicago to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Belgium?

    Currently, September is the cheapest month in which you can book a flight from Chicago to Belgium (average of $293). Flying from Chicago to Belgium in April is currently the most expensive (average of $525). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Chicago to Belgium

Discover the top 8 airlines that operate flights from Chicago to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$293Average$474FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$428Average$610FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$445Average$463FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$492Average$793FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$531Average$695FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$551Average$692FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$590Average$1,040FlexibilityNo cancel feeOn-time69%
Brussels AirlinesCheapest$752Average$1,745FlexibilityNo cancel feeOn-timeN/A

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