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$215+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BRU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$489
(oojo)

One-way from

$215
(Gotogate)

Popular in

July

Cheapest in

September

Average price

$1,087
From Chicago O'Hare Intl to Brussels
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One-way flight from Chicago O'Hare Intl to Brussels
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Highest demand for flights based on searches. 17% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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 9/137:15 pmORD - BRU
1 stop12h 00mScandinavian Airlines
Thu 10/210:20 amBRU - ORD
1 stop12h 50mScandinavian Airlines
Deal found 6/11$474
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Mon 8/410:15 pmORD - BRU
1 stop31h 35mIcelandair
Wed 8/131:50 pmBRU - ORD
1 stop11h 25mIcelandair
Deal found 6/11$494
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:30 pmORD - BRU
1 stop13h 50mFinnair
Tue 8/2612:05 pmBRU - ORD
1 stop13h 45mFinnair
Deal found 6/10$515
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/204:00 pmORD - BRU
2 stops21h 25mMultiple Airlines
Tue 8/2612:05 pmBRU - ORD
1 stop13h 45mMultiple Airlines
Deal found 6/10$517
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/184:50 pmORD - BRU
2 stops14h 30mBritish Airways
Mon 8/257:05 pmBRU - ORD
1 stop23h 50mBritish Airways
Deal found 6/11$528
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 12/35:55 pmORD - BRU
Nonstop8h 00mUnited Airlines
Tue 12/910:00 amBRU - ORD
1 stop11h 45mUnited Airlines
Deal found 6/10$540
This lol.travel deal was found by Cheapflights users on 6/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:40 amORD - BRU
1 stop14h 20mAir Canada
Wed 8/1310:00 amBRU - ORD
2 stops15h 53mAir Canada
Deal found 6/11$543
This Vliegwinkel deal was found by Cheapflights users on 6/11. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:40 amORD - BRU
1 stop14h 20mSWISS
Wed 8/1310:00 amBRU - ORD
1 stop17h 16mSWISS
Deal found 6/11$559
This Flysmarter deal was found by Cheapflights users on 6/11. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:55 pmORD - BRU
Nonstop8h 05mLufthansa
Wed 8/1310:15 amBRU - ORD
Nonstop8h 40mLufthansa
Deal found 6/11$583
This Virgin Atlantic deal was found by Cheapflights users on 6/11. 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.
Mon 8/41:30 pmORD - BRU
1 stop12h 10mVirgin Atlantic
Wed 8/1310:45 amBRU - ORD
1 stop15h 24mVirgin Atlantic
Deal found 6/11$585
This Austrian Airlines deal was found by Cheapflights users on 6/12. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:55 pmORD - BRU
2 stops15h 10mAustrian Airlines
Mon 10/137:55 pmBRU - ORD
1 stop24h 25mAustrian Airlines
Deal found 6/12$625
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:45 pmORD - BRU
1 stop11h 45mIberia
Wed 12/103:10 pmBRU - ORD
2 stops29h 45mIberia
Deal found 6/10$646

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 June 12, 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

Sat 9/13

7:15 pm-2:15 pm

1 stop12h 00m

Brussels Bruxelles-National

Thu 10/2

10:20 am-4:10 pm

1 stop12h 50m

$474

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 8/4

10:15 pm-12:50 pm

1 stop31h 35m

Brussels Bruxelles-National

Wed 8/13

1:50 pm-6:15 pm

1 stop11h 25m

$494

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 8/20

9:30 pm-6:20 pm

1 stop13h 50m

Brussels Bruxelles-National

Tue 8/26

12:05 pm-6:50 pm

1 stop13h 45m

$515

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 8/20

4:00 pm-8:25 pm

2 stops21h 25m

Brussels Bruxelles-National

Tue 8/26

12:05 pm-6:50 pm

1 stop13h 45m

$517

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 8/18

4:50 pm-2:20 pm

2 stops14h 30m

Brussels Bruxelles-National

Mon 8/25

7:05 pm-11:55 am

1 stop23h 50m

$528

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Wed 12/3

5:55 pm-8:55 am

Nonstop8h 00m

Brussels Bruxelles-National

Tue 12/9

10:00 am-2:45 pm

1 stop11h 45m

$540

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 8/4

10:40 am-8:00 am

1 stop14h 20m

Brussels Bruxelles-National

Wed 8/13

10:00 am-6:53 pm

2 stops15h 53m

$543

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 8/4

10:40 am-8:00 am

1 stop14h 20m

Brussels Bruxelles-National

Wed 8/13

10:00 am-8:16 pm

1 stop17h 16m

$559

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 8/4

5:55 pm-9:00 am

Nonstop8h 05m

Brussels Bruxelles-National

Wed 8/13

10:15 am-11:55 am

Nonstop8h 40m

$583

ChicagoBrussels

ORD - BRU

ORDBRU

Chicago O'Hare Intl

Mon 8/4

1:30 pm-8:40 am

1 stop12h 10m

Brussels Bruxelles-National

Wed 8/13

10:45 am-7:09 pm

1 stop15h 24m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 31 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 June 9, 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 $1,096). 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 June 12, 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 48% on the cost of your flight, compared to a flight in the afternoon.

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 June 12, 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 June 12, 2025.
See what other customers who have flown with Delta, KLM and Austrian 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.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $489. Additional round-trip tickets that might be worth considering are offered by Icelandair and Finnair, with the lowest prices starting at $494 and $515, respectively. Scandinavian Airlines is priced at 39% 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 $215 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from $363 and Air Canada from $431 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 Air Canada (67%), Austrian Airlines (67%) and Brussels Airlines (67%).

  • 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 $2,210, our data indicates the cheapest price to be $439. The most popular route (Chicago O'Hare Intl - Brussels Bruxelles-National), is priced around $323.

  • 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 $1,096). 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 9 airlines flying from O'Hare Intl to Brussels

Discover the top 9 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$313Average$506FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$428Average$534FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$492Average$821FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$513Average$883FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$551Average$634FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$552Average$729FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$639Average$1,033FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$728Average$1,078FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$813Average$1,318FlexibilityNo cancel feeOn-timeN/A

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