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Cheap flights from Louisville to Luxembourg from $378

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Luxembourg departing on 8/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Louisville to Luxembourg

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:55 pm - 4:05 pm
SDF
-
LUX
14h 10m
2 stops
Lufthansa Logo
2:25 pm - 7:07 pm
LUX
-
SDF
34h 42m
2 stops
$812Lufthansa
Sun, Aug 9 - Tue, Aug 18
American Airlines Logo
12:32 pm - 10:40 am
SDF
-
LUX
16h 08m
2 stops
American Airlines Logo
11:30 am - 10:59 pm
LUX
-
SDF
17h 29m
3 stops
$1,332American Airlines
Sun, Aug 9 - Tue, Aug 18

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American Airlines flights from Louisville to Luxembourg

Our best American Airlines deals on Louisville to Luxembourg flight tickets
American Airlines
Aug 9
SDF12:32 pmLouisville Intl
16h 08m
2 stops
LUX10:40 amLuxembourg
Aug 18
LUX11:30 amLuxembourg
17h 29m
3 stops
SDF10:59 pmLouisville Intl
$1,332
American Airlines
Aug 9
SDF12:32 pmLouisville Intl
16h 08m
2 stops
LUX10:40 amLuxembourg
Aug 18
LUX11:30 amLuxembourg
17h 29m
3 stops
SDF10:59 pmLouisville Intl
$1,431

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 July 6, 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

Sun 8/9

7:55 pm-4:05 pm

2 stops14h 10m

Luxembourg

Tue 8/18

2:25 pm-7:07 pm

2 stops34h 42m

$812
Quickest round-trip

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Sun 8/9

12:32 pm-10:40 am

2 stops16h 08m

Luxembourg

Tue 8/18

11:30 am-10:59 pm

3 stops17h 29m

$1,332
Cheapest one-way

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Sun 8/9

6:55 pm-10:45 pm

3 stops45h 50m

$378
Quickest one-way

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Sun 8/9

4:20 pm-1:50 pm

2 stops15h 30m

$467

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Luxembourg from

How to get the cheapest flight ticket from Louisville to Luxembourg

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Louisville Intl to Luxembourg?

Air France is the most popular carrier operating from Louisville Intl to Luxembourg

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

14h 10m

Direct flights

None
The fastest flight from Louisville to Luxembourg takes 14h 10m
There are no direct flights from Louisville to Luxembourg. There are no popular flight routes from Louisville to Luxembourg.
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Frequently asked questions about flying from Louisville to Luxembourg

  • 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 14h 10m.

  • 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.

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.

An easier way to manage your Luxembourg trip

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Find better results for your trip to Luxembourg

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