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Cheap flights from Louisville to Brussels from $626

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 3/4. 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

United Airlines Logo
1:55 pm - 7:15 amSDF-BRU
11h 20m1 stop
United Airlines Logo
11:55 am - 6:49 pmBRU-SDF
11h 54m1 stop
$626United Airlines
Find Deal
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:15 am - 7:50 amSDF-BRU
19h 35m2 stops
United Airlines Logo
11:55 am - 6:49 pmBRU-SDF
11h 54m1 stop
$627United Airlines
Find Deal
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
9:35 am - 7:50 amSDF-BRU
16h 15m2 stops
United Airlines Logo
11:55 am - 10:09 pmBRU-SDF
15h 14m2 stops
$631United Airlines
Find Deal
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
7:20 pm - 8:05 amSDF-BRU
30h 45m2 stops
United Airlines Logo
12:00 pm - 8:48 pmBRU-SDF
14h 48m1 stop
$682United Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 20
Air Canada Logo
10:55 am - 9:45 amSDF-BRU
16h 50m3 stops
Air Canada Logo
7:00 am - 8:33 pmBRU-SDF
19h 33m3 stops
$961Air Canada
Find Deal
Sat, Oct 11 - Mon, Oct 20
Multiple Airlines Logo
6:43 pm - 11:55 pmSDF-BRU
47h 12m3 stops
Multiple Airlines Logo
7:15 pm - 10:47 pmBRU-SDF
33h 32m3 stops
$976Multiple Airlines
Find Deal
Mon, Oct 6 - Fri, Oct 10
American Airlines Logo
10:30 am - 10:50 amSDF-BRU
18h 20m2 stops
American Airlines Logo
11:50 am - 10:14 pmBRU-SDF
16h 24m2 stops
$988American Airlines
Find Deal
Sun, Dec 21 - Wed, Dec 31
Multiple Airlines Logo
8:45 am - 8:05 amSDF-BRU
17h 20m2 stops
Multiple Airlines Logo
7:00 am - 8:33 pmBRU-SDF
19h 33m3 stops
$1,027Multiple Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 20
Air Canada Logo
2:02 pm - 1:15 pmSDF-BRU
18h 13m3 stops
Air Canada Logo
7:00 am - 8:44 pmBRU-SDF
19h 44m3 stops
$1,359Air Canada
Find Deal
Sat, Nov 1 - Sat, Nov 8
KLM Logo
5:58 pm - 8:40 amSDF-BRU
32h 42m1 stop
KLM Logo
10:45 am - 10:34 pmBRU-SDF
17h 49m1 stop
$1,813KLM
Find Deal
Mon, Oct 6 - Fri, Oct 10

United Airlines flights from Louisville to Brussels

Our best United Airlines deals on Louisville to Brussels flight tickets
United Airlines
Mar 4
SDF1:55 pmLouisville Intl
11h 20m
1 stop
BRU7:15 amBrussels Bruxelles-National
Mar 8
BRU11:55 amBrussels Bruxelles-National
11h 54m
1 stop
SDF6:49 pmLouisville Intl
$626
Find similar
United Airlines
Mar 4
SDF6:15 amLouisville Intl
19h 35m
2 stops
BRU7:50 amBrussels Bruxelles-National
Mar 8
BRU11:55 amBrussels Bruxelles-National
11h 54m
1 stop
SDF6:49 pmLouisville Intl
$627
Find similar
United Airlines
Mar 4
SDF9:35 amLouisville Intl
16h 15m
2 stops
BRU7:50 amBrussels Bruxelles-National
Mar 8
BRU11:55 amBrussels Bruxelles-National
15h 14m
2 stops
SDF10:09 pmLouisville Intl
$631
Find similar

Air Canada flights from Louisville to Brussels

Our best Air Canada deals on Louisville to Brussels flight tickets
Air Canada
Oct 11
SDF10:55 amLouisville Intl
16h 50m
3 stops
BRU9:45 amBrussels Bruxelles-National
Oct 20
BRU7:00 amBrussels Bruxelles-National
19h 33m
3 stops
SDF8:33 pmLouisville Intl
$961
Find similar
Air Canada
Nov 1
SDF2:02 pmLouisville Intl
18h 13m
3 stops
BRU1:15 pmBrussels Bruxelles-National
Nov 8
BRU7:00 amBrussels Bruxelles-National
19h 44m
3 stops
SDF8:44 pmLouisville Intl
$1,359
Find similar
Air Canada
Oct 5
SDF1:58 pmLouisville Intl
17h 17m
3 stops
BRU1:15 pmBrussels Bruxelles-National
Oct 10
BRU7:00 amBrussels Bruxelles-National
18h 59m
3 stops
SDF7:59 pmLouisville Intl
$2,117
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 September 18, 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 3/4

1:55 pm-7:15 am

1 stop11h 20m

Brussels Bruxelles-National

Sun 3/8

11:55 am-6:49 pm

1 stop11h 54m

$626

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 3/4

6:15 am-7:50 am

2 stops19h 35m

Brussels Bruxelles-National

Sun 3/8

11:55 am-6:49 pm

1 stop11h 54m

$627

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 3/4

9:35 am-7:50 am

2 stops16h 15m

Brussels Bruxelles-National

Sun 3/8

11:55 am-10:09 pm

2 stops15h 14m

$631

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sat 10/11

7:20 pm-8:05 am

2 stops30h 45m

Brussels Bruxelles-National

Mon 10/20

12:00 pm-8:48 pm

1 stop14h 48m

$682

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sat 10/11

10:55 am-9:45 am

3 stops16h 50m

Brussels Bruxelles-National

Mon 10/20

7:00 am-8:33 pm

3 stops19h 33m

$961

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 10/6

6:43 pm-11:55 pm

3 stops47h 12m

Brussels Bruxelles-National

Fri 10/10

7:15 pm-10:47 pm

3 stops33h 32m

$976

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sun 12/21

10:30 am-10:50 am

2 stops18h 20m

Brussels Bruxelles-National

Wed 12/31

11:50 am-10:14 pm

2 stops16h 24m

$988

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sat 10/11

8:45 am-8:05 am

2 stops17h 20m

Brussels Bruxelles-National

Mon 10/20

7:00 am-8:33 pm

3 stops19h 33m

$1,027

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sat 11/1

2:02 pm-1:15 pm

3 stops18h 13m

Brussels Bruxelles-National

Sat 11/8

7:00 am-8:44 pm

3 stops19h 44m

$1,359

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 10/6

5:58 pm-8:40 am

1 stop32h 42m

Brussels Bruxelles-National

Fri 10/10

10:45 am-10:34 pm

1 stop17h 49m

$1,813

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 typical price of a round-trip flight between Louisville and Brussels?

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

Direct flights

None
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 11h 20m.

  • 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 $603Free CancellationRating
7.4
8,926 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