AirHint found the following cheapest return flights from Hannover (HAJ) to Bourgas (BOJ) in September 2025 (see full year).

Return flights

22 Sep - 27 Sep	Lufthansa
20 Sep - 25 Sep	Lufthansa
22 Sep - 10 Oct	TUIfly
08 Sep - 09 Sep	TUIfly
22 Sep - 26 Sep	TUIfly
06 Sep - 13 Sep	Pegasus Airlines
18 Sep - 26 Sep	TUIfly
18 Sep - 23 Sep	TUIfly
08 Sep - 16 Sep	TUIfly
15 Sep - 03 Oct	TUIfly
11 Sep - 16 Sep	TUIfly
11 Sep - 18 Sep	TUIfly
22 Sep - 02 Oct	TUIfly
22 Sep - 03 Oct	TUIfly
18 Sep - 03 Oct	TUIfly
22 Sep - 03 Oct	TUIfly	direct
18 Sep - 03 Oct	TUIfly	direct

Also check the deals for one-way flights from Hannover to Bourgas in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Hannover to Bourgas in September from $265

Return flights