AirHint found the following cheapest return flights from London (LGW) to Sofia (SOF) in October 2025 (see full year).

Return flights

29 Oct - 04 Nov	easyJet
30 Oct - 09 Nov	Wizz Air UK
31 Oct - 04 Nov	easyJet
27 Oct - 08 Nov	SunExpress
30 Oct - 06 Nov	Vueling Airlines
31 Oct - 10 Nov	Ryanair
31 Oct - 06 Nov	Ryanair
29 Oct - 02 Nov	easyJet
31 Oct - 07 Nov	easyJet
30 Oct - 03 Nov	Vueling Airlines
29 Oct - 31 Oct	easyJet
28 Oct - 30 Oct	easyJet
28 Oct - 29 Oct	easyJet
28 Oct - 31 Oct	easyJet
29 Oct - 30 Oct	easyJet
27 Oct - 31 Oct	SunExpress
27 Oct - 28 Oct	TUI
30 Oct - 31 Oct	easyJet
27 Oct - 29 Oct	SunExpress
26 Oct - 27 Oct	easyJet

Also check the deals for one-way flights from London to Sofia in October.

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 London to Sofia in October from $202

Return flights