DUBAI, Aug 15 (Reuters) - Etihad Airways said on Tuesday it continues to explore options for leisure airline Niki which it bought from Air Berlin for 300 million euros ($351 million) earlier this year.

Etihad agreed to buy Niki as part of a deal to create a holiday airline in a joint venture with TUI Group. Those talks fell apart in June.

Earlier on Tuesday, Air Berlin said it had filed for insolvency. Niki is not part of the insolvency proceedings.

A TUI spokesman said it was in talks with Air Berlin over its wet lease contract with Air Berlin, which sees TUIFly planes leased to Niki.



($1 = 0.8542 euros)

(Reporting by Alexander Cornwell, additional reporting by Victoria Bryan in Berlin; Editing by Susan Fenton) ((Alexander.Cornwell@thomsonreuters.com;))