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Belgium

$653+ Cheap flights from Louisville (SDF) to Belgium

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BRU
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find flight deals from Louisville to Belgium

Cheapest flights from Louisville to Belgium
Explore the most affordable flight options available from Louisville to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/129:55 amSDF - BRU
2 stops21h 20mUnited Airlines
vie. 12/197:00 amBRU - SDF
2 stops16h 28mUnited Airlines
Deal found 10/28$720
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/141:50 pmSDF - BRU
2 stops17h 25mUnited Airlines
dom. 12/214:55 pmBRU - SDF
2 stops33h 37mUnited Airlines
Deal found 10/29$947
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/269:55 amSDF - BRU
2 stops39h 55mUnited Airlines
dom. 1/410:00 amBRU - SDF
2 stops33h 13mUnited Airlines
Deal found 10/30$1,059
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/129:00 amSDF - BRU
3 stops16h 50mMultiple Airlines
vie. 12/1910:00 amBRU - SDF
2 stops18h 30mMultiple Airlines
Deal found 10/28$1,188
This Ovago deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/121:50 pmSDF - BRU
1 stop13h 05mLufthansa
vie. 12/1910:10 amBRU - SDF
1 stop18h 20mLufthansa
Deal found 10/28$1,260
This Ovago deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/141:50 pmSDF - BRU
2 stops14h 20mLufthansa
dom. 12/2110:10 amBRU - SDF
1 stop13h 18mLufthansa
Deal found 10/29$1,301
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/129:00 amSDF - BRU
3 stops16h 50mAir Canada
vie. 12/197:00 amBRU - SDF
3 stops19h 32mAir Canada
Deal found 10/28$1,368
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/147:00 amSDF - BRU
3 stops18h 50mMultiple Airlines
dom. 12/2110:00 amBRU - SDF
2 stops16h 32mMultiple Airlines
Deal found 10/29$1,380
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/202:00 pmSDF - BRU
2 stops35h 50mUnited Airlines
sáb. 1/310:00 amBRU - SDF
2 stops33h 13mUnited Airlines
Deal found 10/29$1,423

Cheap flight deals from Louisville to Belgium

Keep the following information in mind while searching for Louisville to Belgium flight deals. Data was last updated octubre 30, 2025.

Round-trip from

$653
(United Airlines)

Popular in

October

Cheapest in

March

Average price

$1,338
From Louisville Intl to Belgium
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Louisville to Belgium that are best for you.

Fly from

Louisville

Fly to

Belgium

Route

Depart

Return

Price

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

mié. 3/4

2:35 pm-1:15 pm

2 stops16h 40m

Brussels Bruxelles-National

dom. 3/8

10:10 am-10:18 pm

1 stop17h 08m

$653

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

vie. 12/12

9:55 am-1:15 pm

2 stops21h 20m

Brussels Bruxelles-National

vie. 12/19

7:00 am-5:28 pm

2 stops16h 28m

$720

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

dom. 12/14

1:50 pm-1:15 pm

2 stops17h 25m

Brussels Bruxelles-National

dom. 12/21

4:55 pm-8:32 pm

2 stops33h 37m

$947

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

vie. 12/26

9:55 am-7:50 am

2 stops39h 55m

Brussels Bruxelles-National

dom. 1/4

10:00 am-1:13 pm

2 stops33h 13m

$1,059

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

vie. 12/12

9:00 am-7:50 am

3 stops16h 50m

Brussels Bruxelles-National

vie. 12/19

10:00 am-10:30 pm

2 stops18h 30m

$1,188

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Best time to book a flight from Louisville to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Belgium

What is the cheapest month to book a flight from Louisville to Belgium?

Currently, November is the cheapest month in which you can book a flight from Louisville to Belgium (average of $564). Flying from Louisville to Belgium in June is currently the most expensive (average of $944). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SDF to BE?

Find hourly flight availability from Louisville to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

It’s typically best to fly out from Louisville to Belgium in the afternoon. Doing so could potentially save you 70% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated octubre 30, 2025.
Read through reviews of airlines operating flights from Louisville to Belgium, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Louisville to Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Belgium?

    Located just 5.3 mi from the city center, Louisville Intl (SDF) is the airport most travelers will use when flying to Belgium from Louisville.

  • How long is the flight from Louisville to Belgium?

    There are many flights that can get you from Louisville to Belgium in 16h 40m. Fly via United Airlines to get the fastest option. There are 4244 mi between Louisville and Belgium.

  • Can I find deals for flights from Louisville to Belgium that include hotel bookings?

    Yes. In addition to deals on Louisville to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Belgium?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Belgium.

  • Can I find deals for business class flights from Louisville to Belgium?

    Yes. Cheapflights offers flight deals from Louisville to Belgium by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Belgium?

    Currently, November is the cheapest month in which you can book a flight from Louisville to Belgium (average of $564). Flying from Louisville to Belgium in June is currently the most expensive (average of $944). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Louisville to Belgium

Discover the top airline that operate flights from Louisville to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$1,008FlexibilityNo cancel feeOn-time69%

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