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Luxembourg

$489+ Cheap flights from Louisville (SDF) to Luxembourg

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LUX
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Louisville to Luxembourg

Best flights from Louisville to Luxembourg
Discover carefully curated flight deals from Louisville to Luxembourg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 2/92:05 pmSDF - LUX
2 stops20h 15mUnited Airlines
Thu 2/269:30 amLUX - SDF
2 stops35h 17mUnited Airlines
Deal found 12/15$489
This British Airways deal was found by Cheapflights users on 12/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3010:35 amSDF - LUX
2 stops17h 55mBritish Airways
Tue 2/39:55 pmLUX - SDF
2 stops26h 44mBritish Airways
Deal found 12/12$689

Find flight deals from Louisville to Luxembourg

Keep the following information in mind while searching for Louisville to Luxembourg flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$489
(United Airlines)
Provider with most accurate pricing for Louisville Intl-Luxembourg flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Luxembourg flights.
Search Deals
From Louisville Intl to Luxembourg
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Louisville to Luxembourg that are best for you.

Fly from

Louisville

Fly to

Luxembourg

Route

Depart

Return

Price

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Mon 2/9

2:05 pm-4:20 pm

2 stops20h 15m

Luxembourg

Thu 2/26

9:30 am-2:47 pm

2 stops35h 17m

$489

LouisvilleLuxembourg

SDF - LUX

SDFLUX

Louisville Intl

Fri 1/30

10:35 am-10:30 am

2 stops17h 55m

Luxembourg

Tue 2/3

9:55 pm-6:39 pm

2 stops26h 44m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Louisville to Luxembourg

Have a flexible travel schedule? Discover the best time to fly to Luxembourg 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 Luxembourg

What is the cheapest time of day to fly from SDF to LU?

Find hourly flight availability from Louisville to Luxembourg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

It’s optimal to fly from Louisville to Luxembourg in the morning. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Luxembourg. 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 Luxembourg?

    Located just 5.3 mi from the city center, Louisville Intl (SDF) is the airport most travelers will use when flying to Luxembourg from Louisville.

  • How long is the flight from Louisville to Luxembourg?

    Departing from Louisville to Luxembourg will take you 17h 55m. Louisville and Luxembourg are separated by a distance of 4352 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Louisville to Luxembourg one-way?

    $79 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $99 and $99, respectively.

  • Can I find deals for flights from Louisville to Luxembourg that include hotel bookings?

    Yes. In addition to deals on Louisville to Luxembourg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Luxembourg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Luxembourg.

  • Can I find deals for business class flights from Louisville to Luxembourg?

    Yes. Cheapflights offers flight deals from Louisville to Luxembourg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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