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Cheap flights from Louisville to Brussels from $456

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 8/1. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Louisville to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:56 pm - 1:15 pm
SDF
-
BRU
17h 19m
2 stops
United Airlines Logo
10:10 am - 5:01 pm
BRU
-
SDF
12h 51m
1 stop
$786United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
1:56 pm - 1:15 pm
SDF
-
BRU
17h 19m
2 stops
United Airlines Logo
10:00 am - 11:28 pm
BRU
-
SDF
19h 28m
2 stops
$789United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
1:47 pm - 8:55 am
SDF
-
BRU
13h 08m
1 stop
United Airlines Logo
10:10 am - 8:41 pm
BRU
-
SDF
16h 31m
1 stop
$790United Airlines
Mon, Nov 9 - Thu, Nov 12
American Airlines Logo
6:00 pm - 7:10 pm
SDF
-
BRU
19h 10m
2 stops
American Airlines Logo
7:05 am - 10:07 pm
BRU
-
SDF
21h 02m
2 stops
$867American Airlines
Mon, Oct 5 - Wed, Oct 14
Scandinavian Airlines Logo
1:29 pm - 9:40 am
SDF
-
BRU
14h 11m
2 stops
Scandinavian Airlines Logo
8:30 pm - 10:08 pm
BRU
-
SDF
31h 38m
2 stops
$917Scandinavian Airlines
Tue, Sep 1 - Fri, Sep 4
United Airlines Logo
1:50 pm - 1:15 pm
SDF
-
BRU
17h 25m
2 stops
United Airlines Logo
10:15 am - 5:40 pm
BRU
-
SDF
13h 25m
1 stop
$920United Airlines
Mon, Oct 5 - Wed, Oct 14
Delta Logo
7:05 am - 7:40 am
SDF
-
BRU
18h 35m
1 stop
Delta Logo
9:45 am - 12:02 am
BRU
-
SDF
20h 17m
1 stop
$924Delta
Mon, Oct 5 - Wed, Oct 14
Scandinavian Airlines Logo
1:15 pm - 2:35 pm
SDF
-
BRU
19h 20m
2 stops
Scandinavian Airlines Logo
10:20 am - 9:59 pm
BRU
-
SDF
17h 39m
2 stops
$927Scandinavian Airlines
Thu, Sep 10 - Sun, Sep 13
Multiple Airlines Logo
9:04 am - 7:10 am
SDF
-
BRU
16h 06m
3 stops
Multiple Airlines Logo
9:10 am - 7:11 pm
BRU
-
SDF
16h 01m
2 stops
$938Multiple Airlines
Mon, Oct 5 - Wed, Oct 14
Multiple Airlines Logo
11:44 am - 7:45 am
SDF
-
BRU
14h 01m
1 stop
Multiple Airlines Logo
7:30 pm - 7:15 pm
BRU
-
SDF
29h 45m
2 stops
$939Multiple Airlines
Wed, Aug 5 - Mon, Aug 10

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Scandinavian Airlines flights from Louisville to Brussels

Our best Scandinavian Airlines deals on Louisville to Brussels flight tickets
Scandinavian Airlines
Sep 1
SDF1:29 pmLouisville Intl
14h 11m
2 stops
BRU9:40 amBrussels Bruxelles-National
Sep 4
BRU8:30 pmBrussels Bruxelles-National
31h 38m
2 stops
SDF10:08 pmLouisville Intl
$917
Scandinavian Airlines
Sep 10
SDF1:15 pmLouisville Intl
19h 20m
2 stops
BRU2:35 pmBrussels Bruxelles-National
Sep 13
BRU10:20 amBrussels Bruxelles-National
17h 39m
2 stops
SDF9:59 pmLouisville Intl
$927
Scandinavian Airlines
Sep 10
SDF1:15 pmLouisville Intl
19h 20m
2 stops
BRU2:35 pmBrussels Bruxelles-National
Sep 14
BRU10:20 amBrussels Bruxelles-National
19h 39m
2 stops
SDF11:59 pmLouisville Intl
$976

Delta flights from Louisville to Brussels

Our best Delta deals on Louisville to Brussels flight tickets
Delta
Oct 5
SDF7:05 amLouisville Intl
18h 35m
1 stop
BRU7:40 amBrussels Bruxelles-National
Oct 14
BRU9:45 amBrussels Bruxelles-National
20h 17m
1 stop
SDF12:02 amLouisville Intl
$924
Delta
Sep 1
SDF4:30 pmLouisville Intl
16h 10m
2 stops
BRU2:40 pmBrussels Bruxelles-National
Sep 8
BRU9:45 amBrussels Bruxelles-National
13h 26m
1 stop
SDF5:11 pmLouisville Intl
$988
Delta
Sep 9
SDF1:15 pmLouisville Intl
12h 25m
1 stop
BRU7:40 amBrussels Bruxelles-National
Sep 13
BRU9:45 amBrussels Bruxelles-National
13h 33m
1 stop
SDF5:18 pmLouisville Intl
$1,040

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 July 6, 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

Cheapest round-trip

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 11/9

1:56 pm-1:15 pm

2 stops17h 19m

Brussels Bruxelles-National

Thu 11/12

10:10 am-5:01 pm

1 stop12h 51m

$786

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 11/9

1:56 pm-1:15 pm

2 stops17h 19m

Brussels Bruxelles-National

Thu 11/12

10:00 am-11:28 pm

2 stops19h 28m

$789
Quickest round-trip

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 11/9

1:47 pm-8:55 am

1 stop13h 08m

Brussels Bruxelles-National

Thu 11/12

10:10 am-8:41 pm

1 stop16h 31m

$790

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 10/5

6:00 pm-7:10 pm

2 stops19h 10m

Brussels Bruxelles-National

Wed 10/14

7:05 am-10:07 pm

2 stops21h 02m

$867

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Tue 9/1

1:29 pm-9:40 am

2 stops14h 11m

Brussels Bruxelles-National

Fri 9/4

8:30 pm-10:08 pm

2 stops31h 38m

$917

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 10/5

1:50 pm-1:15 pm

2 stops17h 25m

Brussels Bruxelles-National

Wed 10/14

10:15 am-5:40 pm

1 stop13h 25m

$920

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 10/5

7:05 am-7:40 am

1 stop18h 35m

Brussels Bruxelles-National

Wed 10/14

9:45 am-12:02 am

1 stop20h 17m

$924

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Thu 9/10

1:15 pm-2:35 pm

2 stops19h 20m

Brussels Bruxelles-National

Sun 9/13

10:20 am-9:59 pm

2 stops17h 39m

$927

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Mon 10/5

9:04 am-7:10 am

3 stops16h 06m

Brussels Bruxelles-National

Wed 10/14

9:10 am-7:11 pm

2 stops16h 01m

$938

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Wed 8/5

11:44 am-7:45 am

1 stop14h 01m

Brussels Bruxelles-National

Mon 8/10

7:30 pm-7:15 pm

2 stops29h 45m

$939

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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?

Aer Lingus and Delta are the most popular carriers operating from Louisville Intl to Brussels

What airlines fly to Brussels?

United Airlines, Air Canada and British Airways are the top three most popular airlines that fly to Brussels from Louisville according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 3 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

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

15h 10m

Direct flights

None
The fastest flight from Louisville to Brussels takes 15h 10m
There are no direct flights from Louisville to Brussels. There are no popular flight routes from Louisville to Brussels.
Search flight deals

Frequently asked questions about flying from Louisville to Brussels

  • 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 15h 10m.

  • 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 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.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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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