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Belgium

$454+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BRU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Louisville to Belgium

Best flights from Louisville to Belgium
Discover carefully curated flight deals from Louisville to Belgium that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/302:10 pmSDF - BRU
1 stop11h 05mLufthansa
Fri 2/610:10 amBRU - SDF
1 stop13h 27mLufthansa
Deal found 12/16$454
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 1/232:05 pmSDF - BRU
2 stops17h 10mUnited Airlines
Tue 1/2710:00 amBRU - SDF
2 stops37h 37mUnited Airlines
Deal found 12/15$485
This Air Canada deal was found by Cheapflights users on 12/16. 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.
Fri 1/302:05 pmSDF - BRU
3 stops17h 10mMultiple Airlines
Fri 2/610:00 amBRU - SDF
2 stops16h 28mMultiple Airlines
Deal found 12/16$514
This Air Canada deal was found by Cheapflights users on 12/16. 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.
Fri 1/302:05 pmSDF - BRU
3 stops17h 10mAir Canada
Fri 2/67:00 amBRU - SDF
3 stops21h 30mAir Canada
Deal found 12/16$525
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 1/309:50 amSDF - BRU
2 stops21h 25mUnited Airlines
Fri 2/610:00 amBRU - SDF
2 stops34h 48mUnited Airlines
Deal found 12/16$485

Find flight deals from Louisville to Belgium

Keep the following information in mind while searching for Louisville to Belgium flight deals. Data was last updated December 18, 2025.

Round-trip from

$454
(Kiwi.com)
From Louisville Intl to Belgium
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 December 18, 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

Fri 1/30

2:10 pm-7:15 am

1 stop11h 05m

Brussels Bruxelles-National

Fri 2/6

10:10 am-5:37 pm

1 stop13h 27m

$454

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-5:37 pm

2 stops37h 37m

$485

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 1/30

9:50 am-1:15 pm

2 stops21h 25m

Brussels Bruxelles-National

Fri 2/6

10:00 am-2:48 pm

2 stops34h 48m

$485

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 1/30

2:05 pm-1:15 pm

3 stops17h 10m

Brussels Bruxelles-National

Fri 2/6

10:00 am-8:28 pm

2 stops16h 28m

$514

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Fri 1/30

2:05 pm-1:15 pm

3 stops17h 10m

Brussels Bruxelles-National

Fri 2/6

7:00 am-10:30 pm

3 stops21h 30m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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, March is the cheapest month in which you can book a flight from Louisville to Belgium (average of $492). 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 December 18, 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 December 18, 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
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 11h 05m. Fly via Lufthansa or United Airlines to get the fastest option. There are 4244 mi between Louisville and Belgium. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, March is the cheapest month in which you can book a flight from Louisville to Belgium (average of $492). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$1,008FlexibilityNo cancel feeOn-time69%

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