$471 Cheap Aer Lingus flights from Chicago to Brussels (ORD to BRU)

Find The Best Day To Fly from Chicago to Brussels

Amazing Aer Lingus ORD to BRU Flight Deals

The cheapest flights to Brussels - National found within the past 7 days were $579 round trip and $471 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Oct 21 - Tue, Nov 4
ORD
Chicago
BRU
Brussels
$579 Roundtrip, found 4 days ago
$579
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Tue, Oct 21 from Chicago to Brussels, returning Tue, Nov 4, priced at $579 found 4 days ago

BRU From ORD Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
pentahotel Brussels City Centre

pentahotel Brussels City Centre

4.5 out of 5
per person
Aug 15 - Aug 18
found 1 day ago
Roundtrip flight included
Chicago (ORD) to Brussels (BRU)
Hotel de Orangerie by CW Hotel Collection - Small Luxury Hotels of the World

Hotel de Orangerie by CW Hotel Collection - Small Luxury Hotels of the World

4 out of 5
per person
Aug 15 - Aug 18
found 1 day ago
Roundtrip flight included
Chicago (ORD) to Brussels (BRU)
Aparthotel Adagio Brussels Grand Place

Aparthotel Adagio Brussels Grand Place

3 out of 5
per person
Sep 7 - Sep 13
found 16 hours ago
Roundtrip non-stop flight included
Chicago (ORD) to Brussels (BRU)
Don't see what you're looking for?
See all available trips from O'Hare Intl. to Brussels - National
View all trips

Frequently asked questions

Can I catch a flight from O'Hare Airport to BRU right now?
Be sure to go to our Covid-19 Travel Advisor to learn if there are any present quarantine requirements or travel advice reports in effect in BRU when flying in from ORD.
What terminal is Aer Lingus at ORD?
Your ticket should be able to tell you which terminal your Aer Lingus flight will be departing from at O'Hare Intl. Airport (ORD). It might also be able to provide you with the arrival details for BRU. If not, you might like to ask your airline before you fly.
Are there Aer Lingus non-stop flights from ORD to BRU?
If you're traveling with Aer Lingus from O'Hare Airport to Brussels - National Airport (BRU), you'll need to make at least one stop. While you're waiting for your connection, take the opportunity to grab a bite to eat or check out the airport shops.
How long is an Aer Lingus flight from ORD to BRU?
As it will take about 9 hours and 5 minutes for your Aer Lingus flight to journey from O'Hare Airport to BRU, think about tossing some entertaining travel games in your cabin bag. You never know --- the person sitting next to you might welcome a challenge to break up the trip.
How many direct and indirect flights does Aer Lingus fly from ORD to BRU?
You can select from roughly 2 Aer Lingus flights daily from ORD to BRU.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Brussels - National Airport (BRU), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best Aer Lingus flight from Chicago ORD to Brussels BRU 

To find the best deals on flights to Chicago from Brussels with Aer Lingus, just enter your travel dates, filter by Aer Lingus, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Chicago ORD to Brussels BRU with Aer Lingus 

If you’re planning a round trip, booking return flights with Aer Lingus is usually the most cost-effective option. With airfares ranging from $579 to $579, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Aer Lingus flights from Chicago ORD to Brussels BRU 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Aer Lingus flight from Chicago to Brussels costs from $471. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Brussels BRU from  Chicago ORD with Aer Lingus 

To find a cheap Aer Lingus flight from Chicago ORD to Brussels BRU, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Aer Lingus flights from Chicago ORD to Brussels BRU 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from Chicago ORD to Brussels BRU with Aer Lingus 

If you’re keen to be on Brussels soil fast, don’t waste time with a stopover—filter your search results to show direct Aer Lingus flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Aer Lingus flights from Chicago ORD to Brussels BRU 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Brussels BRU from  Chicago ORD with Aer Lingus on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Aer Lingus Airports
Hop on a(n) Aer Lingus flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.43
DUBIRLDublin16
LHRGBRHeathrow7
BOSUSALogan Intl.7
JFKUSAJohn F. Kennedy Intl.5
MSNUSADane County Regional4
IAHUSAGeorge Bush Intercontinental4
LAXUSALos Angeles Intl.3
STLUSALambert-St. Louis Intl.3
GRRUSAGerald R. Ford Intl.3

Travelers ❤️ these 🏨 after their flight to Brussels

Sheraton Brussels Airport Hotel
Sheraton Brussels Airport Hotel
4 out of 5
Brussels National Airport, Zaventem
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the business center and free WiFi in public areas. ...
8.8/10 Excellent! (1,149 reviews)
1 Minute Walk from the Airport
"Incredible room. Very comfortable. 1 minute walk from the airport."

Reviewed on Jul 12, 2025

Sheraton Brussels Airport Hotel
Holiday Inn Express Brussels Airport by IHG
Holiday Inn Express Brussels Airport by IHG
Berkenlaan 6A, Machelen
A restaurant and a bar/lounge are featured at this hotel. Enjoy freebies like buffet breakfast and a roundtrip airport shuttle Self parking, a coffee shop, and ...
8.8/10 Excellent! (270 reviews)
"Relatively new property, with updated amenities."

Reviewed on Jul 8, 2025

Holiday Inn Express Brussels Airport by IHG
Holiday Inn Brussels Airport by IHG
Holiday Inn Brussels Airport by IHG
4 out of 5
Holidaystraat 7, Diegem, Machelen
This hotel features a restaurant, a gym, and a bar/lounge. There's fun for all ages with a playground and an arcade/game room, and families will appreciate the ...
8.8/10 Excellent! (255 reviews)
"Thanks for the welcoming and hospitable experience"

Reviewed on Jun 18, 2025

Holiday Inn Brussels Airport by IHG
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.