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Cheap flights from Louisville to Brussels from $745

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 12/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:20 pm - 1:15 pmSDF-BRU
18h 55m2 stops
United Airlines Logo
10:10 am - 10:03 amBRU-SDF
29h 53m1 stop
$745United Airlines
Find Deal
mié., dic. 17 - jue., dic. 25
United Airlines Logo
2:00 pm - 8:55 amSDF-BRU
12h 55m1 stop
United Airlines Logo
11:15 am - 7:31 pmBRU-SDF
14h 16m1 stop
$749United Airlines
Find Deal
mié., dic. 31 - mié., ene. 7
United Airlines Logo
1:50 pm - 1:15 pmSDF-BRU
17h 25m2 stops
United Airlines Logo
7:00 am - 8:32 pmBRU-SDF
19h 32m2 stops
$750United Airlines
Find Deal
mié., dic. 17 - jue., dic. 25
United Airlines Logo
1:50 pm - 1:15 pmSDF-BRU
17h 25m2 stops
United Airlines Logo
4:55 pm - 7:11 pmBRU-SDF
32h 16m2 stops
$763United Airlines
Find Deal
mié., dic. 17 - mar., dic. 23
United Airlines Logo
2:22 pm - 10:10 amSDF-BRU
13h 48m2 stops
United Airlines Logo
11:15 am - 8:28 pmBRU-SDF
15h 13m2 stops
$773United Airlines
Find Deal
mié., dic. 31 - mié., ene. 7
Delta Logo
10:44 am - 9:00 amSDF-BRU
16h 16m2 stops
Delta Logo
11:00 am - 10:58 pmBRU-SDF
17h 58m2 stops
$920Delta
Find Deal
vie., dic. 19 - jue., dic. 25
Delta Logo
6:00 am - 9:00 amSDF-BRU
21h 00m2 stops
Delta Logo
6:15 am - 11:03 pmBRU-SDF
22h 48m2 stops
$952Delta
Find Deal
vie., dic. 19 - mié., dic. 24
Multiple Airlines Logo
7:10 am - 1:15 pmSDF-BRU
24h 05m2 stops
Multiple Airlines Logo
7:30 pm - 10:30 pmBRU-SDF
33h 00m2 stops
$1,087Multiple Airlines
Find Deal
sáb., dic. 13 - dom., ene. 4
Multiple Airlines Logo
5:05 am - 1:35 pmSDF-BRU
26h 30m3 stops
Multiple Airlines Logo
10:00 am - 11:59 pmBRU-SDF
19h 59m3 stops
$1,190Multiple Airlines
Find Deal
mié., dic. 24 - mié., dic. 31
KLM Logo
12:58 pm - 9:00 amSDF-BRU
14h 02m2 stops
KLM Logo
8:05 am - 5:26 pmBRU-SDF
15h 21m2 stops
$1,315KLM
Find Deal
vie., dic. 19 - vie., dic. 26

United Airlines flights from Louisville to Brussels

Our best United Airlines deals on Louisville to Brussels flight tickets
United Airlines
Dec 17
SDF12:20 pmLouisville Intl
18h 55m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 25
BRU10:10 amBrussels Bruxelles-National
29h 53m
1 stop
SDF10:03 amLouisville Intl
$745
Find similar
United Airlines
Dec 31
SDF2:00 pmLouisville Intl
12h 55m
1 stop
BRU8:55 amBrussels Bruxelles-National
Jan 7
BRU11:15 amBrussels Bruxelles-National
14h 16m
1 stop
SDF7:31 pmLouisville Intl
$749
Find similar
United Airlines
Dec 17
SDF1:50 pmLouisville Intl
17h 25m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Dec 25
BRU7:00 amBrussels Bruxelles-National
19h 32m
2 stops
SDF8:32 pmLouisville Intl
$750
Find similar

Delta flights from Louisville to Brussels

Our best Delta deals on Louisville to Brussels flight tickets
Delta
Dec 19
SDF10:44 amLouisville Intl
16h 16m
2 stops
BRU9:00 amBrussels Bruxelles-National
Dec 25
BRU11:00 amBrussels Bruxelles-National
17h 58m
2 stops
SDF10:58 pmLouisville Intl
$920
Find similar
Delta
Dec 19
SDF6:00 amLouisville Intl
21h 00m
2 stops
BRU9:00 amBrussels Bruxelles-National
Dec 24
BRU6:15 amBrussels Bruxelles-National
22h 48m
2 stops
SDF11:03 pmLouisville Intl
$952
Find similar
Delta
Dec 17
SDF2:29 pmLouisville Intl
12h 31m
2 stops
BRU9:00 amBrussels Bruxelles-National
Dec 24
BRU10:45 amBrussels Bruxelles-National
18h 13m
2 stops
SDF10:58 pmLouisville Intl
$982
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 noviembre 10, 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

mié. 12/17

12:20 pm-1:15 pm

2 stops18h 55m

Brussels Bruxelles-National

jue. 12/25

10:10 am-10:03 am

1 stop29h 53m

$745

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

mié. 12/31

2:00 pm-8:55 am

1 stop12h 55m

Brussels Bruxelles-National

mié. 1/7

11:15 am-7:31 pm

1 stop14h 16m

$749

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

mié. 12/17

1:50 pm-1:15 pm

2 stops17h 25m

Brussels Bruxelles-National

jue. 12/25

7:00 am-8:32 pm

2 stops19h 32m

$750

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

mié. 12/17

1:50 pm-1:15 pm

2 stops17h 25m

Brussels Bruxelles-National

mar. 12/23

4:55 pm-7:11 pm

2 stops32h 16m

$763

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

mié. 12/31

2:22 pm-10:10 am

2 stops13h 48m

Brussels Bruxelles-National

mié. 1/7

11:15 am-8:28 pm

2 stops15h 13m

$773

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

vie. 12/19

10:44 am-9:00 am

2 stops16h 16m

Brussels Bruxelles-National

jue. 12/25

11:00 am-10:58 pm

2 stops17h 58m

$920

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

vie. 12/19

6:00 am-9:00 am

2 stops21h 00m

Brussels Bruxelles-National

mié. 12/24

6:15 am-11:03 pm

2 stops22h 48m

$952

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

sáb. 12/13

7:10 am-1:15 pm

2 stops24h 05m

Brussels Bruxelles-National

dom. 1/4

7:30 pm-10:30 pm

2 stops33h 00m

$1,087

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

mié. 12/24

5:05 am-1:35 pm

3 stops26h 30m

Brussels Bruxelles-National

mié. 12/31

10:00 am-11:59 pm

3 stops19h 59m

$1,190

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

vie. 12/19

12:58 pm-9:00 am

2 stops14h 02m

Brussels Bruxelles-National

vie. 12/26

8:05 am-5:26 pm

2 stops15h 21m

$1,315

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

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 12h 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 $637Free CancellationRating
7.4
9,012 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.

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mié. 12/10
mié. 12/17
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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