AirHint found the following cheapest return flights from Sofia (SOF) to Bangkok (BKK) in July 2025 (see full year).

Return flights

15 Jul - 26 Jul	Bulgaria Air
14 Jul - 22 Jul	IndiGo
11 Jul - 21 Jul	IndiGo
04 Jul - 13 Jul	IndiGo
03 Jul - 11 Jul	IndiGo
03 Jul - 22 Jul	IndiGo
03 Jul - 12 Jul	IndiGo
28 Jul - 07 Aug	IndiGo
25 Jul - 01 Aug	IndiGo
25 Jul - 05 Aug	flydubai
18 Jul - 25 Jul	flydubai
22 Jul - 01 Aug	IndiGo
19 Jul - 01 Aug	Turkish Airlines
20 Jul - 20 Aug	IndiGo
22 Jul - 04 Aug	IndiGo
05 Jul - 20 Aug	IndiGo
06 Jul - 17 Aug	Turkish Airlines
06 Jul - 19 Aug	IndiGo
11 Jul - 25 Jul	Qatar Airways
15 Jul - 23 Jul	Air France

Also check the deals for one-way flights from Sofia to Bangkok 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 Sofia to Bangkok in July from $731

Return flights