Start with the 07:05 Turkish Airlines flight from Istanbul to Luxembourg, about 3h 20m. Transfer in Luxembourg, then take the 15:30 FlixBus bus on to Maastricht (2h 50m). Transfer in Maastricht, then take the 20:24 DB Regio AG NRW train on to Aachen (3 min). You arrive in Aachen around 20:27. In total it's roughly EUR 354 over 13h 22m, 2 transfers.
Turkish AirlinesKiwi opens sorted by price, cheapest first. Final fare is confirmed at checkout.
FlixBusOpens Omio — enter your date to compare trains and buses for this route; the price is finalised at checkout.
DB Regio AG NRWOpens Omio — enter your date to compare trains and buses for this route; the price is finalised at checkout.
Fly into Luxembourg, then continue to Aachen by bus (2h 50m) — routing via Luxembourg keeps the trip simple. Flight (Turkish Airlines, 3h 20min) + Bus (FlixBus, 2h 50min) via Luxembourg + Train (DB Regio AG NRW, 3min) via Maastricht.