$645 Cheap Flights from Luxembourg (LUX) to Santander (SDR)

View $645 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Findel International Airport (LUX) to Santander (SDR)

Cheap Flights from Luxembourg to Santander (LUX-SDR)

Prices were available within the past 7 days and start at $645 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Luxembourg (LUX) to Santander (SDR)
Origin airport
Findel
Destination airport
Santander
Distance
640 mi

Luxembourg to Santander Flights

The cheapest times to fly from Luxembourg to Santander

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Luxembourg to Santander are during the month of . You can find some of the cheapest flights from Luxembourg to Santander with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Luxembourg to Santander

Sunday is one of the best days to book for cheap flights from Luxembourg to Santander: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Luxembourg to Santander

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Luxembourg to Santander in 2025. You can also book with separate airlines for your outbound and return journeys, from $645 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Luxembourg to Santander flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Luxembourg to Santander airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Findel Airport (LUX) to Santander Airport (SDR) cost?
Lock in a cheap one-way flight from $645 or cheap return flight from Findel Airport (LUX) to Santander Airport (SDR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Findel Airport (LUX) to Santander Airport (SDR)?
The cheapest month to fly from LUX to SDR is , when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Findel Airport (LUX) to Santander Airport (SDR)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LUX to SDR flight.
How many flights per day from Findel Airport (LUX) to Santander Airport (SDR)?
Direct flights from Findel Airport (LUX) to Santander Airport (SDR) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LUX to SDR?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Findel Airport (LUX) to Santander Airport (SDR)?
To avoid potential delays on the Findel Airport (LUX) to Santander Airport (SDR) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Findel Airport (LUX) to Santander Airport (SDR) last-minute?
Waiting until right before your break to book a flight from LUX to SDR often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a LUX to SDR flight and hotel package?
Compared with arranging flights and hotels separately, booking a LUX to SDR flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Findel Airport (LUX) to Santander Airport (SDR)?
Typically, you can cancel or modify your LUX to SDR flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, visit our Customer Service portal.

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*Available to One Key members.