CHI - BRU

$240 Find Cheap Flights from Chicago to Brussels - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Brussels departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$506
Typical prices: $721-$1,352
Aer Lingus
Wed 1/20Wed 1/27
ORD - BRU • 2 stops
Cheapest non-stop
$783
Typical prices: $1,171-$1,813
United Airlines
Wed 12/2Wed 12/9
ORD - BRU • Non-stop
Nonstop flights
Every day
You can fly direct with United Airlines. Average duration is 8h 00m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
+1
Top routes
Insights
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Top layover airports
Lisbon (LIS)
Cheapest • Avg $572 (round-trip)
Reykjavik (KEF)
Shortest trip • 10h 28m (one-way)
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 9% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
April
Cheapest • 25% price drop
November
Most popular
Good to know
Good to know
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Flight Deals

Cheap Flights from Chicago to Brussels (CHI-BRU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Brussels that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Brussels

Wed, Jan 20 - Wed, Jan 27
Aer Lingus Logo
1:20 pm - 9:35 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
13h 15m2 stops Toronto Pearson Intl Dublin
Aer Lingus Logo
10:15 am - 8:00 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
16h 45m2 stops Dublin Toronto Pearson Intl
$506Aer Lingus
Wed, Jan 27 - Tue, Feb 2
Aer Lingus Logo
1:20 pm - 9:35 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
13h 15m2 stops Toronto Pearson Intl Dublin
Aer Lingus Logo
10:15 am - 8:00 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
16h 45m2 stops Dublin Toronto Pearson Intl
$510Aer Lingus
Sat, Nov 7 - Sun, Nov 15
Icelandair Logo
6:30 pm - 11:55 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
10h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:50 pm - 5:20 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
11h 30m1 stop Reykjavik Keflavik Intl
$551Icelandair
Sat, Nov 7 - Thu, Nov 12
Icelandair Logo
6:30 pm - 11:55 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
10h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:50 pm - 5:20 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
11h 30m1 stop Reykjavik Keflavik Intl
$551Icelandair
Sun, Oct 4 - Wed, Oct 21
Multiple Airlines Logo
7:25 pm - 12:55 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
10h 30m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
12:00 pm - 5:50 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
36h 50m2 stops Vilnius Helsinki-Vantaa
$697Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
TAP AIR PORTUGAL Logo
7:00 pm - 5:05 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
15h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 am - 3:30 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
16h 30m1 stop Lisbon Humberto Delgado
$702TAP AIR PORTUGAL
Wed, Dec 2 - Wed, Dec 9
TAP AIR PORTUGAL Logo
7:00 pm - 5:05 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
15h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:00 am - 3:30 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
16h 30m1 stop Lisbon Humberto Delgado
$704TAP AIR PORTUGAL
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
9:42 am - 9:20 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
16h 38m2 stops Toronto Pearson Intl London Heathrow
Multiple Airlines Logo
12:00 pm - 6:45 pmBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
13h 45m1 stop London Heathrow
$708Multiple Airlines
Mon, Sep 28 - Tue, Oct 6
Turkish Airlines Logo
8:10 pm - 10:10 amORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
31h 00m1 stop Istanbul
Turkish Airlines Logo
7:20 am - 9:40 amBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
33h 20m1 stop Istanbul
$717Turkish Airlines
Wed, Sep 23 - Wed, Sep 30
Turkish Airlines Logo
11:25 am - 1:30 pmORD  Chicago O'Hare Intl-BRU Brussels Bruxelles-National
19h 05m1 stop Istanbul
Turkish Airlines Logo
2:30 pm - 9:40 amBRU  Brussels Bruxelles-National-ORD Chicago O'Hare Intl
26h 10m1 stop Istanbul
$727Turkish Airlines
Booking Insights

KAYAK's insights & trends for Chicago to Brussels flights

Get data-powered insights and trends into flights from Chicago to Brussels to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Chicago to Brussels Bruxelles-National Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Chicago to Brussels Bruxelles-National Airport departing in January.

Flight prices are below average for this route right now.

Flights to Brussels Bruxelles-National Airport from Chicago usually cost between $643 and $910 in January.
The lowest price found in the past 5 days was $506 on Aer Lingus (Jan 20-Jan 27).

What is the cheapest Chicago to Brussels Bruxelles-National Airport flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Chicago to Brussels Bruxelles-National Airport costs $937 on the route between Chicago O'Hare Intl Airport (ORD) and Brussels Bruxelles-National Airport (BRU). It is also the most popular route.

What’s the cheapest day of the week to fly from Chicago to Brussels?

The average price of all round-trip flights from Chicago to Brussels Bruxelles-National Airport clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Chicago to Brussels, look for departures on Tuesdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Brussels, Wednesday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Chicago to Brussels Bruxelles-National Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago to Brussels Bruxelles-National Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago to Brussels Bruxelles-National Airport is April, where tickets cost $647 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $1,630 and $1,135 respectively.

How far in advance should I book a flight from Chicago to Brussels Bruxelles-National Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago to Brussels Bruxelles-National Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago to Brussels Bruxelles-National Airport, you should book around 2 weeks before departure, which saves you about 9% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Find deals
Expert advice

Expert advice for your flight from Chicago to Brussels

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Brussels Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more

Good to know

Low season

February

Cheapest flight

$240
Best time to beat the crowds with an average 39% drop in price.
Most popular time to fly and prices are also 22% lower on average.
Flight from Chicago O'Hare Airport to Brussels Airport

When to book flights from Chicago to Brussels

Are your dates flexible? Find out the best times to travel from Chicago to Brussels based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Brussels flights

  • What is the cheapest flight from Chicago to Brussels Bruxelles-National Airport?

    In the last 5 days, the lowest price for a flight from Chicago to Brussels Bruxelles-National Airport was $240 for a one-way ticket and $506 for a round-trip.

  • Do I need a passport to fly between Chicago and Brussels?

    Yes

  • Which airports will I be using when flying from Chicago to Brussels?

    On your way to Brussels, you’ll fly out from one of these Chicago airports: Chicago Midway or Chicago O'Hare Intl. You’ll be landing at Brussels Bruxelles-National.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to Brussels?

    Finnair, Iberia, and American Airlines offer inflight Wi-Fi service on the Chicago to Brussels flight route.

  • Which aircraft models fly most regularly from Chicago to Brussels?

    The Boeing 787-10 Dreamliner is the aircraft model that flies most regularly on the Chicago to Brussels flight route.

  • Which airline alliances offer flights from Chicago to Brussels?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Chicago and Brussels, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Chicago to Brussels?

    There are nonstop flights from Chicago to Brussels on a daily basis.

  • Which is the best airline for flights from Chicago to Brussels, United Airlines or Scandinavian Airlines?

    The two airlines most popular with KAYAK users for flights from Chicago to Brussels are United Airlines and Scandinavian Airlines. With an average price for the route of $1,099 and an overall rating of 7.4, United Airlines is the most popular choice. Scandinavian Airlines is also a great choice for the route, with an average price of $589 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Chicago to Brussels?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Brussels.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Brussels?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Brussels?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brussels with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Brussels?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brussels from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago to Brussels Bruxelles-National Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $675 or less one-way and $1,149 or less round-trip.

Prefer to fly direct from Chicago to Brussels?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago to Brussels Bruxelles-National.
Find which airlines fly direct from Chicago to Brussels Bruxelles-National Airport, which days they fly and book direct flights.

Direct departures

Chicago to Brussels Bruxelles-National

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Brussels Bruxelles-National to Chicago

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Everything you need to know for your flight from Chicago to Brussels

Information on your arrival and departure airports

Bruxelles-National (BRU)