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Cheap flights from Louisville to Luxembourg from $858

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Luxembourg departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Luxembourg

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:35 pm - 8:25 pm
SDF
-
LUX
21h 50m
2 stops
Multiple Airlines Logo
10:15 am - 12:23 am
LUX
-
SDF
20h 08m
2 stops
$858Multiple Airlines
Thu, May 7 - Thu, May 14
Lufthansa Logo
1:48 pm - 7:30 pm
SDF
-
LUX
23h 42m
2 stops
Lufthansa Logo
8:10 pm - 10:40 pm
LUX
-
SDF
32h 30m
2 stops
$1,071Lufthansa
Sun, Jul 5 - Mon, Jul 13
United Airlines Logo
10:00 am - 4:10 pm
SDF
-
LUX
24h 10m
2 stops
United Airlines Logo
8:20 am - 7:02 pm
LUX
-
SDF
16h 42m
2 stops
$1,108United Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
10:45 am - 7:15 pm
SDF
-
LUX
26h 30m
3 stops
Multiple Airlines Logo
6:05 am - 8:23 pm
LUX
-
SDF
20h 18m
3 stops
$2,723Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
10:45 am - 5:35 pm
SDF
-
LUX
24h 50m
2 stops
Multiple Airlines Logo
6:05 am - 7:18 pm
LUX
-
SDF
19h 13m
3 stops
$2,828Multiple Airlines
Thu, May 28 - Thu, Jun 4

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Luxembourg 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, momondo users made 832,500 searches. Data last updated March 26, 2026.
Use the filters below to find and compare flights from Louisville to Luxembourg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Thu 5/7

4:35 pm-8:25 pm

2 stops21h 50m

Luxembourg

Thu 5/14

10:15 am-12:23 am

2 stops20h 08m

$858

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Sun 7/5

1:48 pm-7:30 pm

2 stops23h 42m

Luxembourg

Mon 7/13

8:10 pm-10:40 pm

2 stops32h 30m

$1,071
Quickest round-trip

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Thu 5/28

10:00 am-4:10 pm

2 stops24h 10m

Luxembourg

Thu 6/4

8:20 am-7:02 pm

2 stops16h 42m

$1,108

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Thu 5/28

10:45 am-7:15 pm

3 stops26h 30m

Luxembourg

Thu 6/4

6:05 am-8:23 pm

3 stops20h 18m

$2,723

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Thu 5/28

10:45 am-5:35 pm

2 stops24h 50m

Luxembourg

Thu 6/4

6:05 am-7:18 pm

3 stops19h 13m

$2,828

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Louisville to Luxembourg

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Luxembourg according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Luxembourg (SDF to LUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Luxembourg

Fastest flight time

21h 50m

Direct flights

None
The fastest flight from Louisville to Luxembourg takes 21h 50m
There are no direct flights from Louisville to Luxembourg. There are no popular flight routes from Louisville to Luxembourg.
Search flight deals

  • How far is Louisville Intl to Luxembourg by plane?

    Luxembourg is 4346.2 mi away from Louisville Intl. In terms of flight time, this usually takes a little over 21h 50m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Luxembourg Airport?

    Prices for flights from Louisville Intl Airport to Luxembourg Airport refresh daily.

  • How old do you have to be to fly from Louisville Intl Airport to Luxembourg Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Luxembourg Airport.

  • What documentation or ID do you need to fly to Luxembourg Airport?

    The travel and health documents you'll need for your trip to Luxembourg Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Luxembourg Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Louisville to Luxembourg?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Louisville from Luxembourg. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Louisville to Luxembourg with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Luxembourg?

Book flights to Luxembourg if you plan to visit one of these locations
Esch-sur-Alzette
Clervaux

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Luxembourg?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Luxembourg for you.

Can I find flights from Louisville to Luxembourg with flexible booking policies on momondo?

All flight searches from Louisville to Luxembourg on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Luxembourg?

momondo helps you find the best flight between Louisville and Luxembourg by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to Luxembourg right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to Luxembourg flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly your favorite airline to Luxembourg

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Air France
British Airways