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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.
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0 bags

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Cheap round-trip flights

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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
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Wed, Dec 17 - Thu, Dec 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
Wed, Dec 31 - Wed, Jan 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
Wed, Dec 17 - Thu, Dec 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
Wed, Dec 17 - Tue, Dec 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
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Wed, Dec 31 - Wed, Jan 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
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Fri, Dec 19 - Thu, Dec 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
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Fri, Dec 19 - Wed, Dec 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
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Sat, Dec 13 - Sun, Jan 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
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Wed, Dec 24 - Wed, Dec 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
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Fri, Dec 19 - Fri, Dec 26

United Airlines flights from Louisville to Brussels Bruxelles-National Airport

Our best United Airlines deals on Louisville to Brussels Bruxelles-National Airport 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 Bruxelles-National Airport

Our best Delta deals on Louisville to Brussels Bruxelles-National Airport 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 Bruxelles-National Airport 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 November 10, 2025.
Use the filters below to find and compare flights from Louisville to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 12/17

12:20 pm-1:15 pm

2 stops18h 55m

Brussels Bruxelles-National

Thu 12/25

10:10 am-10:03 am

1 stop29h 53m

$745

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 12/31

2:00 pm-8:55 am

1 stop12h 55m

Brussels Bruxelles-National

Wed 1/7

11:15 am-7:31 pm

1 stop14h 16m

$749

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 12/17

1:50 pm-1:15 pm

2 stops17h 25m

Brussels Bruxelles-National

Thu 12/25

7:00 am-8:32 pm

2 stops19h 32m

$750

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 12/17

1:50 pm-1:15 pm

2 stops17h 25m

Brussels Bruxelles-National

Tue 12/23

4:55 pm-7:11 pm

2 stops32h 16m

$763

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 12/31

2:22 pm-10:10 am

2 stops13h 48m

Brussels Bruxelles-National

Wed 1/7

11:15 am-8:28 pm

2 stops15h 13m

$773

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 12/19

10:44 am-9:00 am

2 stops16h 16m

Brussels Bruxelles-National

Thu 12/25

11:00 am-10:58 pm

2 stops17h 58m

$920

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 12/19

6:00 am-9:00 am

2 stops21h 00m

Brussels Bruxelles-National

Wed 12/24

6:15 am-11:03 pm

2 stops22h 48m

$952

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sat 12/13

7:10 am-1:15 pm

2 stops24h 05m

Brussels Bruxelles-National

Sun 1/4

7:30 pm-10:30 pm

2 stops33h 00m

$1,087

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 12/24

5:05 am-1:35 pm

3 stops26h 30m

Brussels Bruxelles-National

Wed 12/31

10:00 am-11:59 pm

3 stops19h 59m

$1,190

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 12/19

12:58 pm-9:00 am

2 stops14h 02m

Brussels Bruxelles-National

Fri 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 Bruxelles-National Airport

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 Bruxelles-National Airport?

The cheapest day to depart from Louisville to Brussels Bruxelles-National Airport is on a Thursday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Thursday will often find tickets for as low as $826. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Brussels Bruxelles-National Airport for around $1,332.

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is in the morning. Flights from Louisville to Brussels Bruxelles-National Airport during this time can be as low as $811. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,238 on average. Flights to Brussels Bruxelles-National Airport from Louisville at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Louisville to Brussels Bruxelles-National Airport flights?

You could potentially save up to 22% on your flight if you consider stops on a Louisville to Brussels Bruxelles-National Airport flight.

When to book flights from Louisville to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Brussels Bruxelles-National Airport (SDF to BRU) flight deals and tips

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

Direct flights

None
There are no direct flights from Louisville to Brussels Bruxelles-National Airport. There are no popular flight routes from Louisville to Brussels Bruxelles-National Airport.
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  • How far is Louisville Intl to Brussels Bruxelles-National by plane?

    The distance between Louisville Intl and Brussels Bruxelles-National is about 4240.8 mi. Typically, this will take 12h 20m by plane in normal conditions.

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

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

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

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

    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 Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The travel and health documents required for your trip to Brussels Bruxelles-National Airport 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 Bruxelles-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Louisville to Brussels Bruxelles-National Airport?

Best airlines flying from Louisville to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Louisville to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $637Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Ghent
Bruges
Leuven
Charleroi
Hasselt
Spa
Zaventem
Namur
Dinant
Mons
Genk
Waterloo
Mechelen
Durbuy
Francorchamps
Knokke-Heist
Aalst
Tournai
Oostkamp
Halle

Why use momondo?

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

Finding the right flight to Brussels from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Brussels quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Brussels from Louisville with this policy.

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

momondo provides multiple filters to help you find the best flight to Brussels from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Brussels from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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