AirHint found the following cheapest return flights from Frankfurt (FRA) to Sofia (SOF) in July 2026 (see full year).

Return flights

22 Jul - 29 Jul	Lufthansa	direct
16 Jul - 21 Aug	Lufthansa	direct
10 Jul - 13 Jul	Air Serbia
10 Jul - 15 Jul	Air Serbia
23 Jul - 01 Aug	Air Serbia
03 Jul - 12 Jul	Air Serbia
11 Jul - 16 Jul	Air Serbia
24 Jul - 29 Jul	Air Serbia
13 Jul - 24 Jul	Air Serbia
27 Jul - 31 Jul	Air Serbia
08 Jul - 31 Jul	Air Serbia
06 Jul - 11 Jul	Air Serbia
27 Jul - 08 Aug	Air Serbia
17 Jul - 08 Aug	Air Serbia
20 Jul - 07 Aug	Air Serbia
20 Jul - 07 Aug	Lufthansa	direct
23 Jul - 01 Aug	Lufthansa	direct
27 Jul - 08 Aug	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Sofia in July.

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 Frankfurt to Sofia in July from $183

Return flights