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Cheap flights from Louisville to Belgium from $456

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 Belgium departing on 1/20. 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 Belgium

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:10 pm - 7:15 am
SDF
-
BRU
11h 05m1 stop
Lufthansa Logo
11:15 am - 7:31 pm
BRU
-
SDF
14h 16m1 stop
$456Lufthansa
Tue, Jan 20 - Tue, Jan 27
Air Canada Logo
11:10 am - 7:50 am
SDF
-
BRU
14h 40m2 stops
Air Canada Logo
10:00 am - 7:43 pm
BRU
-
SDF
39h 43m2 stops
$475Air Canada
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
11:10 am - 7:50 am
SDF
-
BRU
14h 40m2 stops
Multiple Airlines Logo
11:15 am - 7:31 pm
BRU
-
SDF
14h 16m1 stop
$477Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
2:05 pm - 1:15 pm
SDF
-
BRU
17h 10m2 stops
United Airlines Logo
10:00 am - 1:05 pm
BRU
-
SDF
33h 05m2 stops
$484United Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
2:10 pm - 7:15 am
SDF
-
BRU
11h 05m1 stop
United Airlines Logo
10:00 am - 1:05 pm
BRU
-
SDF
33h 05m2 stops
$488United Airlines
Fri, Jan 23 - Tue, Jan 27
Multiple Airlines Logo
2:05 pm - 1:15 pm
SDF
-
BRU
17h 10m3 stops
Multiple Airlines Logo
10:00 am - 1:05 pm
BRU
-
SDF
33h 05m2 stops
$491Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Lufthansa Logo
1:50 pm - 8:05 am
SDF
-
BRU
12h 15m1 stop
Lufthansa Logo
11:15 am - 7:31 pm
BRU
-
SDF
14h 16m1 stop
$493Lufthansa
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
1:45 pm - 8:05 am
SDF
-
BRU
12h 20m1 stop
Multiple Airlines Logo
10:00 am - 11:23 pm
BRU
-
SDF
19h 23m2 stops
$502Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
United Airlines Logo
2:10 pm - 7:15 am
SDF
-
BRU
11h 05m1 stop
United Airlines Logo
10:10 am - 10:30 pm
BRU
-
SDF
18h 20m1 stop
$507United Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
9:50 am - 7:15 am
SDF
-
BRU
15h 25m1 stop
United Airlines Logo
10:00 am - 10:30 pm
BRU
-
SDF
18h 30m2 stops
$511United Airlines
Fri, Jan 23 - Tue, Jan 27

Air Canada flights from Louisville to Belgium

Our best Air Canada deals on Louisville to Belgium flight tickets
Air Canada
Jan 8
SDF11:10 amLouisville Intl
14h 40m
2 stops
BRU7:50 amBrussels Bruxelles-National
Jan 12
BRU10:00 amBrussels Bruxelles-National
39h 43m
2 stops
SDF7:43 pmLouisville Intl
$475
Find similar
Air Canada
Jan 20
SDF2:05 pmLouisville Intl
17h 10m
3 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 27
BRU7:00 amBrussels Bruxelles-National
21h 30m
3 stops
SDF10:30 pmLouisville Intl
$724
Find similar

United Airlines flights from Louisville to Belgium

Our best United Airlines deals on Louisville to Belgium flight tickets
United Airlines
Jan 23
SDF1:50 pmLouisville Intl
17h 25m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 27
BRU10:00 amBrussels Bruxelles-National
33h 24m
2 stops
SDF1:24 pmLouisville Intl
$484
Find similar
United Airlines
Jan 23
SDF2:10 pmLouisville Intl
11h 05m
1 stop
BRU7:15 amBrussels Bruxelles-National
Jan 27
BRU10:00 amBrussels Bruxelles-National
33h 05m
2 stops
SDF1:05 pmLouisville Intl
$488
Find similar
United Airlines
Jan 23
SDF2:10 pmLouisville Intl
11h 05m
1 stop
BRU7:15 amBrussels Bruxelles-National
Jan 27
BRU10:10 amBrussels Bruxelles-National
18h 20m
1 stop
SDF10:30 pmLouisville Intl
$507
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Belgium 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 December 7, 2025.
Use the filters below to find and compare flights from Louisville to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Tue 1/20

2:10 pm-7:15 am

1 stop11h 05m

Brussels Bruxelles-National

Tue 1/27

11:15 am-7:31 pm

1 stop14h 16m

$456

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Thu 1/8

11:10 am-7:50 am

2 stops14h 40m

Brussels Bruxelles-National

Mon 1/12

10:00 am-7:43 pm

2 stops39h 43m

$475

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Thu 1/8

11:10 am-7:50 am

2 stops14h 40m

Brussels Bruxelles-National

Mon 1/12

11:15 am-7:31 pm

1 stop14h 16m

$477

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 1/23

2:05 pm-1:15 pm

2 stops17h 10m

Brussels Bruxelles-National

Tue 1/27

10:00 am-1:05 pm

2 stops33h 05m

$484

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 1/23

2:10 pm-7:15 am

1 stop11h 05m

Brussels Bruxelles-National

Tue 1/27

10:00 am-1:05 pm

2 stops33h 05m

$488

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Tue 1/20

2:05 pm-1:15 pm

3 stops17h 10m

Brussels Bruxelles-National

Tue 1/27

10:00 am-1:05 pm

2 stops33h 05m

$491

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Thu 1/8

1:50 pm-8:05 am

1 stop12h 15m

Brussels Bruxelles-National

Mon 1/12

11:15 am-7:31 pm

1 stop14h 16m

$493

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Tue 1/20

1:45 pm-8:05 am

1 stop12h 20m

Brussels Bruxelles-National

Tue 1/27

10:00 am-11:23 pm

2 stops19h 23m

$502

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 1/23

2:10 pm-7:15 am

1 stop11h 05m

Brussels Bruxelles-National

Tue 1/27

10:10 am-10:30 pm

1 stop18h 20m

$507

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 1/23

9:50 am-7:15 am

1 stop15h 25m

Brussels Bruxelles-National

Tue 1/27

10:00 am-10:30 pm

2 stops18h 30m

$511

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belgium from

How to get the cheapest flight ticket from Louisville to Belgium

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 Belgium?

Our data shows that Thursday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $826. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,332. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the morning. Flights from Louisville to Belgium during this time can be as low as $811. Flights to Belgium are more costly at noon, with an average ticket price of $1,238. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Louisville to Belgium flights?

You could potentially save up to 22% on your flight if you consider stops on a Louisville to Belgium flight.

Cheap Louisville to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Belgium

Fastest flight time

14h 40m

Direct flights

None
The fastest flight from Louisville to Belgium takes 14h 40m
There are no direct flights from Louisville to Belgium. There are no popular flight routes from Louisville to Belgium.
Search flight deals

  • When did momondo last update prices for flights from Louisville Intl Airport to Belgium?

    Prices for flights from Louisville Intl Airport to Belgium refresh daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Belgium?

  • How old do you have to be to fly from Louisville Intl Airport to Belgium?

    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 Belgium.

  • What documentation or ID do you need to fly to Belgium?

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

Best airlines flying from Louisville to Belgium

Compare and see reviews for airlines that fly from Louisville to Belgium with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $637Free CancellationRating
7.4
9,072 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Louisville to Belgium flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belgium that suits you.

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

momondo does allow users to show only those flights to Belgium from Louisville which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belgium from Louisville.

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

Of course. momondo tracks the price of Louisville to Belgium flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belgium trip

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