Cheap KLM flights Maastricht (MST) to Luxembourg (LUX)

Set the “Price (lowest to highest)” filter on Expedia to look for cheap KLM round-trip flights from $398 from MST to LUX. Affordable one-way fares are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

KLM flights to Luxembourg City are typically cheaper in the low-season months of February and January. Whether you’re after a one-way or round-trip ticket, you could score a better deal then.

Search for KLM flights from MST to LUX about one month before you want to leave. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Enter your dates, click search and select “Nonstop” on Expedia to browse any direct flights from MST to LUX with KLM or another carrier.

Filter your results by “Morning” and “Early Morning” to browse the earliest departures from MST to LUX. Setting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Catch a KLM flight from Maastricht - Aachen Airport (MST) to Luxembourg City, and you’ll most likely come in to Findel Airport (LUX). This is the airline’s main hub here.

Depart from MST to LUX with KLM and look forward to a range of benefits including a 4-star airline rating. When booking through Expedia as a KLM Flying Blue and One Key™ member, you can also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of booking, but your airline may add a charge after that time. For further information about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your plans without additional charges, tick the “Changes included” or “No cancel fee” filter when organizing your next adventure.