Answer to your question
Rights in cases of cancellations
If the flight is cancelled, air travellers have similar rights to those if denied boarding: they are entitled to compensation payments of up to €600 – depending on the distance of the flight.
Passengers need not accept flight vouchers, air miles or upgrades that the airline might offer them.
Only in the event of extraordinary circumstances is the airline exempt from paying compensation. These include, for example, extreme weather conditions, political instability and unannounced strikes. The airline is also exempt if the flight is cancelled with sufficient notice (at least 14 days before the scheduled departure date) and the airline refunds the passenger with the ticket price in full.
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No win, no fee.