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

Return flights

02 Jul - 05 Jul	Air Serbia
02 Jul - 05 Jul	Ryanair	direct
15 Jul - 27 Jul	SKY express
15 Jul - 22 Jul	SKY express
04 Jul - 02 Aug	Air Serbia
14 Jul - 02 Aug	Air Serbia
14 Jul - 03 Aug	Air Serbia
02 Jul - 22 Jul	Ryanair	direct
09 Jul - 17 Jul	Wizz Air	direct
08 Jul - 22 Jul	Ryanair	direct
01 Jul - 12 Jul	Ryanair
02 Jul - 20 Jul	Ryanair	direct
02 Jul - 06 Jul	Ryanair	direct
03 Jul - 02 Aug	Ryanair
15 Jul - 02 Aug	SKY express
23 Jul - 06 Aug	Air Serbia
10 Jul - 07 Aug	Ryanair
13 Jul - 03 Aug	Air Serbia
14 Jul - 04 Aug	Air Serbia
28 Jul - 07 Aug	Ryanair	direct

Also check the deals for one-way flights from Madrid 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 Madrid to Sofia in July from 123€

Return flights