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$316+ Cheap flights from O'Hare Intl (ORD) to Brussels

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BRU
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Brussels are usually found in September or October, booked 64 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from O'Hare Intl to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.

Round-trip from

$343
(oojo)

Popular in

June

Cheapest in

September

Average price

$834
From Chicago O'Hare Intl to Brussels
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Highest demand for flights based on searches. 21% potential increase in price ($234 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from O'Hare Intl to Brussels

Cheapest flights from O'Hare Intl to Brussels
Explore the most affordable flight options available from O'Hare Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This oojo deal was found by Cheapflights users on 4/29. 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 9/227:15 pmORD - BRU
1 stop13h 05mScandinavian Airlines
Mon 10/67:10 pmBRU - ORD
1 stop28h 00mScandinavian Airlines
Deal found 4/29$343
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:55 amORD - BRU
1 stop15h 30mTurkish Airlines
Tue 11/187:50 amBRU - ORD
1 stop17h 35mTurkish Airlines
Deal found 4/28$574
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:25 pmORD - BRU
1 stop13h 40mTAP AIR PORTUGAL
Wed 11/196:00 amBRU - ORD
1 stop16h 00mTAP AIR PORTUGAL
Deal found 4/28$599
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/1810:00 amORD - BRU
3 stops28h 05mMultiple Airlines
Wed 6/259:30 pmBRU - ORD
2 stops31h 35mMultiple Airlines
Deal found 4/29$743
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Sat 6/710:40 amORD - CRL
3 stops21h 05mMultiple Airlines
Sat 6/148:45 amCRL - ORD
2 stops28h 52mMultiple Airlines
Deal found 4/28$782
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:55 pmORD - BRU
Nonstop8h 00mUnited Airlines
Wed 11/1910:10 amBRU - ORD
Nonstop9h 00mUnited Airlines
Deal found 4/28$789
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:19 amORD - BRU
2 stops14h 41mDelta
Tue 11/182:45 pmBRU - ORD
1 stop30h 45mDelta
Deal found 4/28$822

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Brussels 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 30, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Brussels that are best for you.

Fly from

O'Hare Intl

Fly to

Brussels

Route

Depart

Return

Price

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 9/22

7:15 pm-3:20 pm

1 stop13h 05m

Brussels Bruxelles-National

Mon 10/6

7:10 pm-4:10 pm

1 stop28h 00m

$343

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 9/17

11:45 pm-10:10 am

1 stop27h 25m

Brussels Bruxelles-National

Tue 9/23

6:50 pm-9:40 am

1 stop21h 50m

$574

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sun 10/19

6:00 pm-8:05 pm

1 stop19h 05m

Brussels Bruxelles-National

Fri 10/24

5:55 am-4:10 pm

1 stop17h 15m

$737

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 6/18

10:00 am-9:05 pm

3 stops28h 05m

Brussels Bruxelles-National

Wed 6/25

9:30 pm-10:05 pm

2 stops31h 35m

$743

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Sat 6/7

10:40 am-2:45 pm

3 stops21h 05m

Charleroi Brussels

Sat 6/14

8:45 am-6:37 am

2 stops28h 52m

$782

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Sat 8/2

8:00 pm-8:00 am

2 stops29h 00m

Brussels Bruxelles-National

Wed 8/20

10:00 am-11:23 am

1 stop32h 23m

$794

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 7/15

11:28 am-9:00 pm

3 stops26h 32m

$316

ChicagoBrussels

ORD - CRL

ORDCRL

Chicago O'Hare Intl

Mon 9/29

7:25 pm-4:05 pm

2 stops13h 40m

$322

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Tue 8/19

7:15 pm-6:30 pm

1 stop16h 15m

$369

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 9/3

10:15 pm-12:50 pm

1 stop31h 35m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 19 results
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Best time to book a flight from O'Hare Intl to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from O'Hare Intl 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 O'Hare Intl Airport to Brussels

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Brussels?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Brussels. Price data was last updated on April 25, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Brussels is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Brussels?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Brussels (average of $614). Flying from Chicago O'Hare Intl Airport to Brussels in June is currently the most expensive (average of $1,127). 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 ORD to BRU?

Find hourly flight availability from O'Hare Intl to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Brussels in the evening. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Brussels?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Brussels. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Brussels flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago O'Hare Intl Airport to Brussels

Explore weekly flight availability from O'Hare Intl to Brussels. 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 30, 2025.

The most flights from ORD to BR1 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 Brussels by month

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

In terms of precipitation, rainfall in Brussels 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 Brussels when rainfall is around 1.6 in.

Temperature in Brussels by month

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

If weather is an important factor for your trip to Brussels, 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 Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated April 30, 2025.
See what other customers who have flown with LOT, Finnair and United Airlines from Chicago to Brussels have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,069 reviews

Entertainment

7.0

Boarding

7.6

Overall

7.6

Crew

8.1

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,069 reviews
LOT
7.6
Good
1,069 reviews

Entertainment

7.0

Boarding

7.6

Overall

7.6

Crew

8.1

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Finnair
7.6
Good
1,275 reviews
LOT
7.6
Good
1,069 reviews

Entertainment

7.0

Boarding

7.6

Overall

7.6

Crew

8.1

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
United Airlines
7.4
Good
8,696 reviews
LOT
7.6
Good
1,069 reviews

Entertainment

7.0

Boarding

7.6

Overall

7.6

Crew

8.1

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Turkish Airlines
7.3
Good
3,788 reviews
LOT
7.6
Good
1,069 reviews

Entertainment

7.0

Boarding

7.6

Overall

7.6

Crew

8.1

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Scandinavian Airlines
7.3
Good
1,349 reviews
LOT
7.6
Good
1,069 reviews

Entertainment

7.0

Boarding

7.6

Overall

7.6

Crew

8.1

Food

7.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Brussels. 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 flying from Chicago O'Hare Intl Airport to Brussels round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Brussels, with prices starting at $343. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and TAP AIR PORTUGAL, with the lowest prices starting at $574 and $765, respectively. Scandinavian Airlines is priced at 59% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Brussels one-way?

    One-way options have recently been found by users for as low as $369 on Scandinavian Airlines. Other airlines that offer cheap prices include Icelandair from $412 and American Airlines from $604 one-way.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Brussels?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Brussels are SWISS (81%), Air Canada (78%) and Austrian Airlines (78%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Brussels?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Brussels? While on average our users pay $2,838, our data indicates the cheapest price to be $570. The most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National), is priced around $343.

  • Can I find deals for flights from O'Hare Intl to Brussels that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Brussels flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Brussels?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Brussels.

  • Can I find deals for business class flights from O'Hare Intl to Brussels?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Brussels 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 O'Hare Intl Airport to Brussels?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Brussels (average of $614). Flying from Chicago O'Hare Intl Airport to Brussels in June is currently the most expensive (average of $1,127). 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 O'Hare Intl to Brussels

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Bruxelles-National flights
Midway to Bruxelles-National flights
O'Hare Intl to Charleroi Brussels flights

Top 8 airlines flying from O'Hare Intl to Brussels

Discover the top 8 airlines that operate flights from O'Hare Intl to Brussels. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$397Average$550FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$405Average$579FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$492Average$821FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$512Average$716FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$518Average$869FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$724Average$1,087FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$754Average$1,058FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$813Average$1,325FlexibilityNo cancel feeOn-timeN/A

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