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Cheap flights from Louisville to Brussels from $491

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Brussels departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:45 am - 7:50 am
SDF
-
BRU
17h 05m2 stops
Air Canada Logo
10:00 am - 7:31 pm
BRU
-
SDF
39h 31m2 stops
$491Air Canada
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
2:10 pm - 1:15 pm
SDF
-
BRU
17h 05m2 stops
United Airlines Logo
10:10 am - 5:37 pm
BRU
-
SDF
13h 27m1 stop
$504United Airlines
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
2:35 pm - 8:55 am
SDF
-
BRU
36h 20m2 stops
United Airlines Logo
11:55 am - 2:47 pm
BRU
-
SDF
32h 52m1 stop
$505United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
2:35 pm - 8:55 am
SDF
-
BRU
36h 20m2 stops
United Airlines Logo
10:00 am - 2:47 pm
BRU
-
SDF
34h 47m2 stops
$508United Airlines
Wed, Feb 25 - Sun, Mar 1
Air Canada Logo
5:35 am - 7:50 am
SDF
-
BRU
20h 15m2 stops
Air Canada Logo
10:00 am - 7:25 pm
BRU
-
SDF
39h 25m2 stops
$520Air Canada
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
2:35 pm - 7:15 am
SDF
-
BRU
10h 40m1 stop
United Airlines Logo
9:30 am - 8:09 pm
BRU
-
SDF
16h 39m2 stops
$614United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
2:35 pm - 7:15 am
SDF
-
BRU
10h 40m1 stop
United Airlines Logo
11:55 am - 7:42 pm
BRU
-
SDF
13h 47m1 stop
$707United Airlines
Wed, Feb 25 - Sun, Mar 1
KLM Logo
10:43 am - 7:40 am
SDF
-
BRU
14h 57m1 stop
KLM Logo
9:45 am - 10:37 pm
BRU
-
SDF
18h 52m1 stop
$972KLM
Wed, Jun 17 - Fri, Jul 3
United Airlines Logo
5:45 am - 7:10 am
SDF
-
BRU
19h 25m2 stops
United Airlines Logo
12:00 pm - 2:47 pm
BRU
-
SDF
32h 47m1 stop
$1,024United Airlines
Wed, Jun 17 - Fri, Jul 3
United Airlines Logo
5:45 am - 7:10 am
SDF
-
BRU
19h 25m2 stops
United Airlines Logo
12:00 pm - 2:47 pm
BRU
-
SDF
32h 47m1 stop
$1,025United Airlines
Wed, Jun 17 - Fri, Jul 3

United Airlines flights from Louisville to Brussels

Our best United Airlines deals on Louisville to Brussels flight tickets
United Airlines
Feb 4
SDF2:10 pmLouisville Intl
17h 05m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Feb 8
BRU10:10 amBrussels Bruxelles-National
13h 27m
1 stop
SDF5:37 pmLouisville Intl
$504
Find similar
United Airlines
Feb 25
SDF2:35 pmLouisville Intl
36h 20m
2 stops
BRU8:55 amBrussels Bruxelles-National
Mar 1
BRU11:55 amBrussels Bruxelles-National
32h 52m
1 stop
SDF2:47 pmLouisville Intl
$505
Find similar
United Airlines
Feb 25
SDF2:35 pmLouisville Intl
36h 20m
2 stops
BRU8:55 amBrussels Bruxelles-National
Mar 1
BRU10:00 amBrussels Bruxelles-National
34h 47m
2 stops
SDF2:47 pmLouisville Intl
$508
Find similar

British Airways flights from Louisville to Brussels

Our best British Airways deals on Louisville to Brussels flight tickets
British Airways
Jun 17
SDF3:37 pmLouisville Intl
22h 48m
2 stops
BRU8:25 pmBrussels Bruxelles-National
Jul 3
BRU9:30 pmBrussels Bruxelles-National
31h 33m
2 stops
SDF11:03 pmLouisville Intl
$1,039
Find similar
British Airways
Jun 17
SDF7:16 pmLouisville Intl
19h 09m
2 stops
BRU8:25 pmBrussels Bruxelles-National
Jul 3
BRU9:30 pmBrussels Bruxelles-National
31h 33m
2 stops
SDF11:03 pmLouisville Intl
$1,040
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville 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, momondo users made 832,500 searches. Data last updated December 27, 2025.
Use the filters below to find and compare flights from Louisville to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 2/4

8:45 am-7:50 am

2 stops17h 05m

Brussels Bruxelles-National

Sun 2/8

10:00 am-7:31 pm

2 stops39h 31m

$491

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 2/4

2:10 pm-1:15 pm

2 stops17h 05m

Brussels Bruxelles-National

Sun 2/8

10:10 am-5:37 pm

1 stop13h 27m

$504

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 2/25

2:35 pm-8:55 am

2 stops36h 20m

Brussels Bruxelles-National

Sun 3/1

11:55 am-2:47 pm

1 stop32h 52m

$505

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 2/25

2:35 pm-8:55 am

2 stops36h 20m

Brussels Bruxelles-National

Sun 3/1

10:00 am-2:47 pm

2 stops34h 47m

$508

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 2/25

5:35 am-7:50 am

2 stops20h 15m

Brussels Bruxelles-National

Sun 3/1

10:00 am-7:25 pm

2 stops39h 25m

$520

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 2/25

2:35 pm-7:15 am

1 stop10h 40m

Brussels Bruxelles-National

Sun 3/1

9:30 am-8:09 pm

2 stops16h 39m

$614

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 2/25

2:35 pm-7:15 am

1 stop10h 40m

Brussels Bruxelles-National

Sun 3/1

11:55 am-7:42 pm

1 stop13h 47m

$707

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 6/17

10:43 am-7:40 am

1 stop14h 57m

Brussels Bruxelles-National

Fri 7/3

9:45 am-10:37 pm

1 stop18h 52m

$972

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 6/17

5:45 am-7:10 am

2 stops19h 25m

Brussels Bruxelles-National

Fri 7/3

12:00 pm-2:47 pm

1 stop32h 47m

$1,024

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 6/17

5:45 am-7:10 am

2 stops19h 25m

Brussels Bruxelles-National

Fri 7/3

12:00 pm-2:47 pm

1 stop32h 47m

$1,025

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Brussels from

How to get the cheapest flight ticket from Louisville to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Louisville is on a Thursday. momondo users have found tickets for Thursday departures for as low as $826. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,332.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is in the morning. momondo users have found flights departing from Louisville to Brussels in the morning for as low as $811. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,238.

Cheap Louisville to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Brussels

Fastest flight time

14h 57m

Direct flights

None
The fastest flight from Louisville to Brussels takes 14h 57m
There are no direct flights from Louisville to Brussels. There are no popular flight routes from Louisville to Brussels.
Search flight deals

  • How far is Louisville Intl to Brussels by plane?

    Brussels is 4237.1 mi away from Louisville Intl. In terms of flight time, this usually takes a little over 14h 57m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Brussels?

    Prices for flights from Louisville Intl Airport to Brussels refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Brussels?

  • How old do you have to be to fly from Louisville Intl Airport to Brussels?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Louisville Intl Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents required for your trip to Brussels can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brussels. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Louisville to Brussels

Compare and see reviews for airlines that fly from Louisville to Brussels with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $637Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Brussels?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Brussels for you.

Can I find flights from Louisville to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Brussels flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Brussels?

Once you have performed a search for Louisville to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to Brussels right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Brussels, momondo offers a useful price alert feature which will track prices for flights to Brussels from Louisville and alert you when they change.

An easier way to manage your Brussels trip

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport