$653 Find Cheap Flights from Louisville to Belgium

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Belgium departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Louisville to Belgium Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Belgium that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Belgium

Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
2:35 pm - 1:15 pmSDF-BRU
16h 40m2 stops
United Airlines Logo
11:15 am - 7:25 pmBRU-SDF
13h 10m1 stop
$653United Airlines
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Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
2:05 pm - 8:55 amSDF-BRU
12h 50m1 stop
United Airlines Logo
10:10 am - 8:14 pmBRU-SDF
15h 04m1 stop
$656United Airlines
Find Deal
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
10:45 am - 7:50 amSDF-BRU
15h 05m2 stops
United Airlines Logo
11:55 am - 10:18 pmBRU-SDF
15h 23m2 stops
$661United Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19
United Airlines Logo
9:55 am - 1:15 pmSDF-BRU
21h 20m2 stops
United Airlines Logo
7:00 am - 5:28 pmBRU-SDF
16h 28m2 stops
$720United Airlines
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Fri, Dec 12 - Fri, Dec 19
Multiple Airlines Logo
9:00 am - 7:50 amSDF-BRU
16h 50m3 stops
Multiple Airlines Logo
10:00 am - 10:30 pmBRU-SDF
18h 30m2 stops
$1,188Multiple Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19
Lufthansa Logo
1:50 pm - 8:55 amSDF-BRU
13h 05m1 stop
Lufthansa Logo
10:10 am - 10:30 pmBRU-SDF
18h 20m1 stop
$1,260Lufthansa
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Sun, Dec 14 - Sun, Dec 21
Lufthansa Logo
1:50 pm - 10:10 amSDF-BRU
14h 20m2 stops
Lufthansa Logo
10:10 am - 5:28 pmBRU-SDF
13h 18m1 stop
$1,301Lufthansa
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Fri, Dec 12 - Fri, Dec 19
Air Canada Logo
9:00 am - 7:50 amSDF-BRU
16h 50m3 stops
Air Canada Logo
7:00 am - 8:32 pmBRU-SDF
19h 32m3 stops
$1,368Air Canada
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Sun, Dec 14 - Sun, Dec 21
Multiple Airlines Logo
7:00 am - 7:50 amSDF-BRU
18h 50m3 stops
Multiple Airlines Logo
10:00 am - 8:32 pmBRU-SDF
16h 32m2 stops
$1,380Multiple Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 3
Air Canada Logo
2:00 pm - 1:15 pmSDF-BRU
17h 15m3 stops
Air Canada Logo
7:00 am - 8:32 pmBRU-SDF
19h 32m3 stops
$5,097Air Canada
Find Deal
Booking Insights

KAYAK's insights & trends for Louisville to Belgium flights

Get data-powered insights and trends into flights from Louisville to Belgium to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Louisville to Belgium?

The average price of all round-trip flights from Louisville to Belgium clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Louisville to Belgium, look for departures on Thursdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Belgium, Thursday is the cheapest day to fly and Saturday is the most expensive.

Good to know

Low seasonMarch
Cheapest flight$653
Best time to beat the crowds with an average 34% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Louisville to Brussels Airport

FAQs - booking Belgium flights

  • How does KAYAK find such low prices on flights from Louisville to Belgium?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Belgium.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to Belgium?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Louisville to Belgium is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to Belgium?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Louisville to Belgium with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to Belgium?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Louisville to Belgium up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Belgium?

    The cheapest time of day to fly to Belgium is generally in the morning, when round-trip flights cost $811 on average. Morning departures are around 1% cheaper than evening flights, on average. The most expensive time of day to fly to Belgium is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,238.

Reviews of the top airline flying from Louisville to Belgium

 
Need help choosing which airline to fly with from Louisville to Belgium? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8999 reviews
7.3Comfort
7.1Entertainment
8.1Crew
7.7Boarding
6.6Food
Airline reviews

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

10.0 ExcellentDr. Joseph, Oct 2025STL - ORD
Read more United Airlines reviews

Flight was delayed only slightly before takeoff due to traffic control. However, the flight arrived early to ORD. Good flight. United has been very reliable for me.

The person I bought the ticket for didn’t make the flight.

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Another delayed flight. When the delays exceed the duration of the flight, it’s a problem.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

After boarding the plane in Chicago, the passengers were told that there was a technical problem with the plane. Passengers remained on the plane as they tried to fix the problem. After what was probably an hour passengers were told that there was a need to change planes as the problem was not solved. Passengers disembarked and boarded another plane. After taxing to the runway and waiting for takeoff, passengers were told that owing to the thunderstorm the flight was unable to take off but would try and reroute. After some time passengers were told there wasn't enough fuel for the new route and the plane had to return to the gate for additional fuel. after another log delay the flight got underway. On the plane there was food, drinks, ice or entertainment. We were a glass of water, which appeared rationed. Flight arrived about 5 hours late. The pilot was fantastic and communicated with the passengers throughout the ordeal.

Same as last comment. Food sucks. Quality. Not surprising most people have no clue about nourishment Clearly

Not the fault of United—weather, reroute around weather, time sitting on tarmac, arrived couple hours late, too late for train into city necessitating a much pricier cab but weather…can’t be helped.

Friendly and professional flight crew. Aside from departure delay after boarding, easy flight and smooth landing.

Great smooth flight. Had a seating change, but that was an improvement. Thanks United Airways Crew.

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

Information on your arrival and departure airports

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