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$626+ 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
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$626
(United Airlines)

Popular in

July

Cheapest in

March

Average price

$779
From Louisville Intl to Belgium
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/117:20 pmSDF - BRU
2 stops30h 45mUnited Airlines
Mon 10/202:25 pmBRU - SDF
2 stops36h 23mUnited Airlines
Deal found 9/14$654
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 9/288:45 amSDF - BRU
1 stop18h 15mUnited Airlines
Mon 10/610:15 amBRU - SDF
1 stop18h 15mUnited Airlines
Deal found 9/13$726
This Air France deal was found by Cheapflights users on 9/13. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2812:48 pmSDF - BRU
2 stops13h 52mAir France
Mon 10/610:45 amBRU - SDF
2 stops15h 58mAir France
Deal found 9/13$781
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Sat 10/1110:55 amSDF - BRU
3 stops16h 50mAir Canada
Mon 10/207:00 amBRU - SDF
3 stops17h 33mAir Canada
Deal found 9/14$1,174
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Sat 10/1110:55 amSDF - BRU
3 stops16h 50mMultiple Airlines
Mon 10/2010:00 amBRU - SDF
2 stops16h 33mMultiple Airlines
Deal found 9/14$1,317
This AranGrant deal was found by Cheapflights users on 9/13. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:20 pmSDF - BRU
1 stop31h 40mLufthansa
Mon 10/611:15 amBRU - SDF
1 stop15h 12mLufthansa
Deal found 9/13$1,761
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Sun 9/2810:55 amSDF - BRU
3 stops16h 50mAir Canada
Mon 10/67:00 amBRU - SDF
3 stops19h 27mAir Canada
Deal found 9/13$1,920

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 September 15, 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

Wed 3/4

1:55 pm-8:55 am

1 stop13h 00m

Brussels Bruxelles-National

Sun 3/8

10:10 am-8:14 pm

1 stop15h 04m

$626

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sat 10/11

7:20 pm-8:05 am

2 stops30h 45m

Brussels Bruxelles-National

Mon 10/20

2:25 pm-8:48 pm

2 stops36h 23m

$654

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sun 9/28

8:45 am-9:00 am

1 stop18h 15m

Brussels Bruxelles-National

Mon 10/6

10:15 am-10:30 pm

1 stop18h 15m

$726

LouisvilleBrussels

SDF - BRU

SDFBRU

Louisville Intl

Sat 10/11

10:55 am-9:45 am

3 stops16h 50m

Brussels Bruxelles-National

Mon 10/20

10:00 am-8:33 pm

2 stops16h 33m

$1,317

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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 $1,077). 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 September 15, 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 September 15, 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
8,931 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

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
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

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.

  • How long is the flight from Louisville to Belgium?

    There are many flights that can get you from Louisville to Belgium in 13h. 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 $614). Flying from Louisville to Belgium in June is currently the most expensive (average of $1,077). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$603Average$985FlexibilityNo cancel feeOn-time69%

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