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Cheap flights from Louisville to Brussels from $395

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Brussels departing on 5/4. 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
8:47 am - 7:10 am
SDF
-
BRU
16h 23m
2 stops
Air Canada Logo
9:25 am - 5:01 pm
BRU
-
SDF
37h 36m
2 stops
$492Air Canada
Wed, Apr 29 - Wed, May 6
United Airlines Logo
2:30 pm - 1:15 pm
SDF
-
BRU
16h 45m
2 stops
United Airlines Logo
12:00 pm - 11:59 pm
BRU
-
SDF
17h 59m
1 stop
$505United Airlines
Mon, Apr 27 - Tue, May 5
United Airlines Logo
9:07 am - 9:00 am
SDF
-
BRU
17h 53m
1 stop
United Airlines Logo
11:10 am - 7:22 pm
BRU
-
SDF
14h 12m
1 stop
$508United Airlines
Sun, Apr 26 - Fri, May 8
Multiple Airlines Logo
7:20 am - 7:10 am
SDF
-
BRU
17h 50m
3 stops
Multiple Airlines Logo
9:25 am - 6:36 pm
BRU
-
SDF
15h 11m
2 stops
$523Multiple Airlines
Wed, Apr 29 - Wed, May 6
United Airlines Logo
5:43 pm - 7:10 am
SDF
-
BRU
31h 27m
2 stops
United Airlines Logo
9:25 am - 4:41 pm
BRU
-
SDF
37h 16m
2 stops
$542United Airlines
Mon, Apr 6 - Mon, Apr 20
United Airlines Logo
2:00 pm - 9:00 am
SDF
-
BRU
13h 00m
1 stop
United Airlines Logo
10:15 am - 5:01 pm
BRU
-
SDF
12h 46m
1 stop
$558United Airlines
Thu, Apr 30 - Fri, May 8
United Airlines Logo
5:43 pm - 7:10 am
SDF
-
BRU
31h 27m
2 stops
United Airlines Logo
10:15 am - 10:30 pm
BRU
-
SDF
18h 15m
1 stop
$562United Airlines
Mon, Apr 6 - Mon, Apr 20
United Airlines Logo
9:55 am - 7:15 am
SDF
-
BRU
15h 20m
1 stop
United Airlines Logo
12:00 pm - 7:42 pm
BRU
-
SDF
13h 42m
1 stop
$607United Airlines
Sun, Apr 26 - Mon, May 4
United Airlines Logo
2:00 pm - 9:00 am
SDF
-
BRU
13h 00m
1 stop
United Airlines Logo
10:15 am - 4:57 pm
BRU
-
SDF
12h 42m
1 stop
$608United Airlines
Thu, Apr 30 - Sun, May 3
Air Canada Logo
7:20 am - 7:10 am
SDF
-
BRU
17h 50m
3 stops
Air Canada Logo
7:00 am - 8:17 pm
BRU
-
SDF
19h 17m
3 stops
$634Air Canada
Wed, Apr 29 - Wed, May 6

KLM flights from Louisville to Brussels

Our best KLM deals on Louisville to Brussels flight tickets
KLM
May 4
SDF1:00 pmLouisville Intl
12h 40m
1 stop
BRU7:40 amBrussels Bruxelles-National
May 16
BRU9:45 amBrussels Bruxelles-National
13h 16m
1 stop
SDF5:01 pmLouisville Intl
$695
KLM
May 4
SDF1:00 pmLouisville Intl
12h 40m
1 stop
BRU7:40 amBrussels Bruxelles-National
May 16
BRU9:45 amBrussels Bruxelles-National
20h 14m
1 stop
SDF11:59 pmLouisville Intl
$744
KLM
Mar 30
SDF12:48 pmLouisville Intl
12h 52m
1 stop
BRU7:40 amBrussels Bruxelles-National
Apr 6
BRU9:45 amBrussels Bruxelles-National
20h 12m
1 stop
SDF11:57 pmLouisville Intl
$822

United Airlines flights from Louisville to Brussels

Our best United Airlines deals on Louisville to Brussels flight tickets
United Airlines
Apr 27
SDF2:30 pmLouisville Intl
16h 45m
2 stops
BRU1:15 pmBrussels Bruxelles-National
May 8
BRU12:00 pmBrussels Bruxelles-National
32h 47m
1 stop
SDF2:47 pmLouisville Intl
$505
United Airlines
Apr 26
SDF9:07 amLouisville Intl
17h 53m
1 stop
BRU9:00 amBrussels Bruxelles-National
May 8
BRU11:10 amBrussels Bruxelles-National
14h 12m
1 stop
SDF7:22 pmLouisville Intl
$508
United Airlines
Apr 6
SDF5:43 pmLouisville Intl
31h 27m
2 stops
BRU7:10 amBrussels Bruxelles-National
Apr 20
BRU9:25 amBrussels Bruxelles-National
37h 16m
2 stops
SDF4:41 pmLouisville Intl
$542

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 February 13, 2026.
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 4/29

8:47 am-7:10 am

2 stops16h 23m

Brussels Bruxelles-National

Wed 5/6

9:25 am-5:01 pm

2 stops37h 36m

$492

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 4/27

2:30 pm-1:15 pm

2 stops16h 45m

Brussels Bruxelles-National

Tue 5/5

12:00 pm-11:59 pm

1 stop17h 59m

$505

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sun 4/26

9:07 am-9:00 am

1 stop17h 53m

Brussels Bruxelles-National

Fri 5/8

11:10 am-7:22 pm

1 stop14h 12m

$508

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 4/29

7:20 am-7:10 am

3 stops17h 50m

Brussels Bruxelles-National

Wed 5/6

9:25 am-6:36 pm

2 stops15h 11m

$523

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 4/6

5:43 pm-7:10 am

2 stops31h 27m

Brussels Bruxelles-National

Mon 4/20

9:25 am-4:41 pm

2 stops37h 16m

$542

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Thu 4/30

2:00 pm-9:00 am

1 stop13h 00m

Brussels Bruxelles-National

Fri 5/8

10:15 am-5:01 pm

1 stop12h 46m

$558

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 4/6

5:43 pm-7:10 am

2 stops31h 27m

Brussels Bruxelles-National

Mon 4/20

10:15 am-10:30 pm

1 stop18h 15m

$562

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sun 4/26

9:55 am-7:15 am

1 stop15h 20m

Brussels Bruxelles-National

Mon 5/4

12:00 pm-7:42 pm

1 stop13h 42m

$607

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Thu 4/30

2:00 pm-9:00 am

1 stop13h 00m

Brussels Bruxelles-National

Sun 5/3

10:15 am-4:57 pm

1 stop12h 42m

$608

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 4/29

7:20 am-7:10 am

3 stops17h 50m

Brussels Bruxelles-National

Wed 5/6

7:00 am-8:17 pm

3 stops19h 17m

$634

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 airline that flies from Louisville Intl to Brussels?

United Airlines and British Airways are the most popular carriers operating from Louisville Intl to Brussels

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

12h 47m

Direct flights

None
The fastest flight from Louisville to Brussels takes 12h 47m
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 47m.

  • 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
9,283 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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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