Located in the heart of continental Europe, Germany is a key market for all kinds of transport. Indeed, the nation has its fair share of long-distance bus and train routes serving both domestic and international destinations, with air travel, of course, playing a key role in keeping the country connected as well. In recent years, however, ongoing industrial disputes have seen German airports plagued by strikes .
Nonetheless, Germany remains an incredibly important market in the modern commercial aviation industry, with a wide variety of low-cost, leisure, charter, legacy, and full-service airlines serving its many airports, which range from major hubs to distant secondary facilities. With this in mind, let's take a look at the five airlines offering the most seats on flights to, from, and within Germany in 2025. 5 SunExpress 9,199,764 seats on German routes in 2025 According to data made available by Cirium , an aviation analytics company, leisure carrier SunExpress is Germany's fifth-largest airline by scheduled seats in 2025, with almost 9.
2 million available on routes to and from the country. The carrier's primary function is to connect German airports with Turkish destinations, and this represents a lucrative market, given the large Turkish population in Germany. Want answers to more key questions in aviation? Check out the rest of our guides here ! SunExpress is a Turkish airline that was established as a joint venture between German and Turkish flag carriers Lufthansa a.