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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

Cheap Louisville to Luxembourg 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

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

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

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

    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.

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

    The travel and health documents you'll need for your trip to Luxembourg 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Luxembourg. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Luxembourg from Louisville with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Luxembourg from Louisville.

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

If you are not ready to book a flight from Louisville to Luxembourg now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Luxembourg and let you know when they change.

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