HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belgium

$316+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BRU
apr 6 — apr 131
sön 4/6
sön 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Belgium with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chicago to Belgium

Keep the following information in mind while searching for Chicago to Belgium flight deals. Data was last updated april 1, 2025.

Round-trip from

$577
(oojo)

One-way from

$316
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$679

Good round-trip deal

$1,020 or less

Good one-way deal

$678 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. 23% potential increase in price ($268 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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

Find 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 april 1, 2025.

This oojo deal was found by Cheapflights users on 3/31. 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.
tis 10/77:15 pmORD - BRU
1 stop16h 15mScandinavian Airlines
mån 10/1310:20 amBRU - ORD
1 stop12h 50mScandinavian Airlines
Deal found 3/31$375
This oojo deal was found by Cheapflights users on 3/31. 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.
ons 10/17:50 pmORD - BRU
1 stop34h 35mTurkish Airlines
sön 10/124:15 pmBRU - ORD
1 stop36h 45mTurkish Airlines
Deal found 3/31$584
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 10/196:00 pmORD - BRU
1 stop22h 55mTAP AIR PORTUGAL
tors 10/235:55 amBRU - ORD
1 stop13h 40mTAP AIR PORTUGAL
Deal found 3/30$691
This Mytrip deal was found by Cheapflights users on 3/31. 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.
tis 4/297:25 pmORD - BRU
3 stops31h 15mMultiple Airlines
lör 5/1010:05 pmBRU - ORD
3 stops41h 45mMultiple Airlines
Deal found 3/31$759
This Mytrip deal was found by Cheapflights users on 3/30. 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.
sön 4/277:15 pmORD - CRL
3 stops20h 05mMultiple Airlines
sön 5/46:30 pmCRL - ORD
2 stops28h 40mMultiple Airlines
Deal found 3/30$761
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 11/115:55 pmORD - BRU
Nonstop8h 00mUnited Airlines
ons 11/1910:00 amBRU - ORD
1 stop11h 45mUnited Airlines
Deal found 3/30$787
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 10/269:50 amORD - BRU
2 stops16h 05mAir Canada
tis 11/410:00 amBRU - ORD
2 stops16h 48mAir Canada
Deal found 3/30$793
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 11/271:00 pmMDW - BRU
2 stops18h 15mDelta
sön 12/78:05 amBRU - MDW
2 stops17h 31mDelta
Deal found 3/31$946
This KLM deal was found by Cheapflights users on 3/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 9/21:05 pmMDW - BRU
1 stop12h 35mKLM
ons 9/1010:45 amBRU - MDW
1 stop14h 18mKLM
Deal found 3/31$1,102
This Virgin Atlantic deal was found by Cheapflights users on 3/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 8/151:00 pmMDW - BRU
2 stops12h 40mVirgin Atlantic
sön 8/3110:45 amBRU - MDW
1 stop18h 02mVirgin Atlantic
Deal found 3/30$1,226
This Icelandair deal was found by Cheapflights users on 3/31. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 9/212:15 pmMDW - BRU
3 stops15h 35mMultiple Airlines
tors 10/91:50 pmBRU - MDW
2 stops15h 30mMultiple Airlines
Deal found 3/31$1,561
This Air France deal was found by Cheapflights users on 3/31. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 7/2410:35 amMDW - BRU
1 stop15h 05mAir France
ons 8/610:45 amBRU - MDW
1 stop18h 02mAir France
Deal found 3/31$1,605

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 april 1, 2025.
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

tis 9/2

7:15 pm-7:50 pm

1 stop17h 35m

Brussels Bruxelles-National

ons 9/10

7:10 pm-4:10 pm

1 stop28h 00m

$416

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

sön 8/10

11:25 am-9:50 am

1 stop15h 25m

Brussels Bruxelles-National

mån 9/8

7:15 am-10:00 pm

1 stop21h 45m

$604

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

tis 4/29

7:25 pm-9:40 am

3 stops31h 15m

Brussels Bruxelles-National

lör 5/10

10:05 pm-8:50 am

3 stops41h 45m

$759

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

sön 4/27

7:15 pm-10:20 pm

3 stops20h 05m

Charleroi Brussels

sön 5/4

6:30 pm-4:10 pm

2 stops28h 40m

$761

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

sön 9/21

6:00 pm-8:05 pm

1 stop19h 05m

Brussels Bruxelles-National

tors 9/25

5:55 am-12:35 pm

1 stop13h 40m

$794

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

tis 9/2

1:05 pm-8:40 am

1 stop12h 35m

Brussels Bruxelles-National

ons 9/10

10:45 am-6:03 pm

1 stop14h 18m

$1,102

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

tis 9/23

10:35 am-8:40 am

1 stop15h 05m

Brussels Bruxelles-National

tis 10/14

10:45 am-9:44 pm

2 stops17h 59m

$1,106

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

fre 8/15

1:00 pm-8:40 am

2 stops12h 40m

Brussels Bruxelles-National

sön 8/31

10:45 am-9:47 pm

1 stop18h 02m

$1,226

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

sön 9/21

2:15 pm-12:50 pm

3 stops15h 35m

Brussels Bruxelles-National

tors 10/9

1:50 pm-10:20 pm

2 stops15h 30m

$1,561

ChicagoBrussels

MDW - BRU

MDWBRU

Chicago Midway

tors 7/24

10:35 am-8:40 am

1 stop15h 05m

Brussels Bruxelles-National

ons 8/6

10:45 am-9:47 pm

1 stop18h 02m

$1,605

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 25 results
1
2
3

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, November is the cheapest month in which you can book a flight from Chicago to Belgium (average of $614). Flying from Chicago to Belgium in June is currently the most expensive (average of $1,146). 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 april 1, 2025.

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 april 1, 2025.

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).

Rainfall in Belgium by month

Plan your trip to Belgium by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belgium ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. August is typically the driest time to visit Belgium when rainfall is around 1.6 in.

Temperature in Belgium by month

Plan your trip to Belgium by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belgium, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

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 april 1, 2025.
Read through reviews of airlines operating flights from Chicago to Belgium, such as Delta, KLM and LOT. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Chicago to Belgium one-way?

    $368 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on Aer Lingus and TAP AIR PORTUGAL, with prices starting from $374 and $449, respectively.

  • 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 (83%), Austrian Airlines (83%) or Brussels Airlines (83%) 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 $484. While the most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National) can be booked for $375 on average our data indicates $3,175 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, November is the cheapest month in which you can book a flight from Chicago to Belgium (average of $614). Flying from Chicago to Belgium in June is currently the most expensive (average of $1,146). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Athens flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Dublin flights
O'Hare Intl to Barcelona-El Prat flights
O'Hare Intl to Madrid flights
O'Hare Intl to Istanbul flights
O'Hare Intl to Orly flights
O'Hare Intl to Gatwick flights
O'Hare Intl to Frederic Chopin flights
O'Hare Intl to Lisbon flights
O'Hare Intl to London City flights
O'Hare Intl to Frankfurt flights
O'Hare Intl to Amsterdam flights
Midway to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Malpensa flights
Midway to Heathrow flights
Midway to Charles de Gaulle flights
O'Hare Intl to Krakow flights
O'Hare Intl to Zurich flights
Midway to Athens flights
O'Hare Intl to Bruxelles-National flights
O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Edinburgh flights
O'Hare Intl to Munich flights
Midway to Dublin flights
O'Hare Intl to Oslo Gardermoen flights
O'Hare Intl to Copenhagen flights
Midway to Barcelona-El Prat flights
O'Hare Intl to Linate flights
O'Hare Intl to Vienna flights
O'Hare Intl to Sabiha Gokcen flights
Midway to Madrid flights
O'Hare Intl to Belgrade flights
O'Hare Intl to Vicenza flights
O'Hare Intl to Stansted flights
Midway to Lisbon flights
St. Louis to Heathrow flights
Midway to Istanbul flights
O'Hare Intl to Florence flights
O'Hare Intl to Tirana flights
Midway to Amsterdam flights
O'Hare Intl to Skopje flights
Midway to Oslo Gardermoen flights
O'Hare Intl to Prague flights
O'Hare Intl to Luton flights
O'Hare Intl to Berlin flights
Midway to Frankfurt flights
O'Hare Intl to Budapest flights

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 april 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$405Average$568FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$438Average$622FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$492Average$793FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$518Average$869FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$536Average$697FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$724Average$1,120FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$764Average$1,032FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$813Average$1,351FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.