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$690+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BRU
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 July 30, 2025.

Round-trip from

$690
(Booking.com)

Popular in

July

Cheapest in

March

Average price

$1,210
From Louisville Intl to Belgium
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($263 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 30, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:55 amSDF - BRU
2 stops40h 05mAir Canada
Sun 8/2410:00 amBRU - SDF
2 stops42h 24mAir Canada
Deal found 7/29$690
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/211:00 pmSDF - BRU
1 stop12h 25mUnited Airlines
Sun 8/2410:00 amBRU - SDF
2 stops30h 02mUnited Airlines
Deal found 7/29$707
This Scandinavian Airlines deal was found by Cheapflights users on 7/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:45 pmSDF - BRU
2 stops25h 05mScandinavian Airlines
Sun 8/249:20 pmBRU - SDF
3 stops29h 54mScandinavian Airlines
Deal found 7/29$1,165

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 July 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

Thu 8/21

9:55 am-8:00 am

2 stops40h 05m

Brussels Bruxelles-National

Sun 8/24

10:00 am-10:24 pm

2 stops42h 24m

$690

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Thu 8/21

1:00 pm-7:25 am

1 stop12h 25m

Brussels Bruxelles-National

Sun 8/24

10:15 am-8:28 pm

1 stop16h 13m

$707

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Thu 8/21

12:45 pm-7:50 pm

2 stops25h 05m

Brussels Bruxelles-National

Sun 8/24

9:20 pm-9:14 pm

3 stops29h 54m

$1,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 $614). Flying from Louisville to Belgium in June is currently the most expensive (average of $1,081). 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Belgium as you normally would.

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 July 30, 2025.
Read through reviews of airlines operating flights from Louisville to Belgium, such as United Airlines, Scandinavian Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Scandinavian Airlines
7.3
Good
1,453 reviews
United Airlines
7.4
Good
8,896 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,837 reviews
United Airlines
7.4
Good
8,896 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $614). Flying from Louisville to Belgium in June is currently the most expensive (average of $1,081). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$603Average$985FlexibilityNo cancel feeOn-time69%

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