SDF - BRU

$484 Find Cheap Flights from Louisville to Brussels

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Bruxelles-National departing on 1/23. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Brussels Bruxelles-National Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Brussels, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Brussels, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$484
United Airlines
fre 1/23tis 1/27
SDF - BRU • 2 stops
Cheapest one-way
Multiple Airlines
tors 12/11
SDF - BRU • multi-stop
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We hope you love your trip to Bruxelles-National!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Louisville to Bruxelles-National (SDF-BRU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Bruxelles-National 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 Louisville to Bruxelles-National

fre, jan 23 - tis, jan 27
United Airlines Logo
2:10 pm - 1:15 pm
SDF
-
BRU
17h 05m2 stops
United Airlines Logo
10:00 am - 2:48 pm
BRU
-
SDF
34h 48m2 stops
$484United Airlines
ons, feb 18 - ons, feb 25
Multiple Airlines Logo
6:15 am - 7:50 am
SDF
-
BRU
19h 35m2 stops
Multiple Airlines Logo
11:15 am - 11:59 pm
BRU
-
SDF
18h 44m1 stop
$502Multiple Airlines
ons, feb 18 - ons, feb 25
Air Canada Logo
10:45 am - 7:50 am
SDF
-
BRU
15h 05m2 stops
Air Canada Logo
10:00 am - 8:20 pm
BRU
-
SDF
16h 20m2 stops
$505Air Canada
fre, jan 23 - tis, jan 27
United Airlines Logo
1:50 pm - 8:05 am
SDF
-
BRU
12h 15m1 stop
United Airlines Logo
10:10 am - 8:28 pm
BRU
-
SDF
16h 18m1 stop
$507United Airlines
fre, jan 23 - tis, jan 27
United Airlines Logo
2:10 pm - 7:15 am
SDF
-
BRU
11h 05m1 stop
United Airlines Logo
10:00 am - 10:30 pm
BRU
-
SDF
18h 30m2 stops
$511United Airlines
lör, jan 24 - lör, jan 31
United Airlines Logo
1:50 pm - 8:05 am
SDF
-
BRU
12h 15m1 stop
United Airlines Logo
10:30 am - 8:28 pm
BRU
-
SDF
15h 58m2 stops
$514United Airlines
ons, feb 18 - ons, feb 25
Multiple Airlines Logo
9:00 am - 7:50 am
SDF
-
BRU
16h 50m3 stops
Multiple Airlines Logo
10:00 am - 8:20 pm
BRU
-
SDF
16h 20m2 stops
$521Multiple Airlines
ons, feb 18 - ons, feb 25
Air Canada Logo
9:00 am - 7:50 am
SDF
-
BRU
16h 50m3 stops
Air Canada Logo
7:00 am - 8:14 pm
BRU
-
SDF
19h 14m3 stops
$531Air Canada
lör, jan 24 - lör, jan 31
Lufthansa Logo
2:10 pm - 7:15 am
SDF
-
BRU
11h 05m1 stop
Lufthansa Logo
11:15 am - 7:31 pm
BRU
-
SDF
14h 16m1 stop
$549Lufthansa
tis, jan 6 - tis, jan 13
United Airlines Logo
9:50 am - 1:15 pm
SDF
-
BRU
21h 25m2 stops
United Airlines Logo
10:00 am - 2:48 pm
BRU
-
SDF
34h 48m2 stops
$584United Airlines
Booking Insights

KAYAK's insights & trends for Louisville to Bruxelles-National flights

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

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

The average price of all round-trip flights from Louisville 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 Louisville to Brussels, look for departures on Thursdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Brussels, Thursday is the cheapest day to fly and Saturday is the most expensive.

Find deals

Good to know

Cheapest flight$484
Flight from Louisville to Brussels

When to book flights from Louisville to Bruxelles-National

Are your dates flexible? Find out the best times to travel from Louisville to Bruxelles-National 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 Louisville to Brussels flights

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

    In the last 3 days, the lowest price for a flight from Louisville to Brussels Bruxelles-National Airport was $484 for a round-trip ticket.

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

    Yes

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

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Louisville to Brussels?

    Star Alliance is the only airline alliance operating flights between Louisville and Brussels.

  • How does KAYAK find such low prices on flights from Louisville 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 Louisville to Brussels.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brussels from Louisville 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 Louisville 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 Louisville with another airline. Booking your flights between Louisville and BRU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville 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 Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Louisville to Bruxelles-National

 
See real verified KAYAK customer reviews for airlines flying from Louisville to Brussels. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Louisville to Bruxelles-National? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9095 reviews
6.6Food
8.1Crew
7.3Comfort
7.7Boarding
7.1Entertainment
Airline reviews

It was nice to have gotten up upgraded to first class with a meal on a three hour flight

10.0 ExcellentMichele, Dec 2025
RSW - ORD
Read more United Airlines reviews

It was nice to have gotten up upgraded to first class with a meal on a three hour flight

Not great experience - we were super late boarding due to issues with aircraft. Then when we finally all got onboard and seated and they started taxiing out to the runway they just stopped then turned around and went back to the airport. Apparently the crew “ran out of time” to legally fly us. They mentioned that they were about 2 minutes away from taking off. I understand the rules and safety but kinda wonder why they would have bothered boarding us in the first place? Had to go all the way back and de plane and then wait in a HUGE line to get a hotel (this is somewhere around 2:30am) finally got to hotel by Uber (no shuttle after 20min so gave up) and they ended up putting us all back on the same aircraft at 10am next morning so got about 2.5 hours sleep. They did give us. $250 credit, but it was a São Paulo Brazil flight out of Dulles. The flight and everything was fine.

United overall experience is great these days. Airport experience was very organized. Staff on flight were great. App and information as good as it gets.

United have really come back. Airport and boarding process is clear and good, app and information also very good

They charged a fee for 1st bag checked. Others in same party were free.

Flight was delayed 8 times. We were sitting at the airport for 14 hours. We got 2 hours of sleep (if that) on what was not meant to be a red-eye.

The movies offered were great. Staff were very pleasant and very efficient.

After a delay at the gate, C3, at Ohare on Sunday, I left my Blk ski coat on the bench at the gate, lost! Please review my lob claim, thx.

Very bad! They kept delaying my flight and wouldn’t do anything about it

They brought an empty plane to the gate. Then a flight delay was announced for maintenance and waiting on a part. I was then put on a flight to San Francisco instead with a connecting flight to my final destination. Arrived at my final destination 2 hours late.

Everything you need to know for your flight from Louisville to Bruxelles-National

Information on your arrival and departure airports

Louisville (SDF)
Bruxelles-National (BRU)