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

Return flights

09 Oct - 16 Oct	easyJet
21 Oct - 23 Oct	easyJet
23 Oct - 26 Oct	Ryanair
13 Oct - 16 Oct	Ryanair
03 Oct - 10 Oct	Ryanair
16 Oct - 20 Oct	easyJet
31 Oct - 07 Nov	Ryanair
17 Oct - 20 Oct	Ryanair
17 Oct - 22 Oct	Ryanair
02 Oct - 05 Oct	Ryanair
29 Oct - 02 Nov	Luxair
24 Oct - 26 Oct	Ryanair
24 Oct - 02 Nov	Ryanair

Also check the deals for one-way flights from Luxemburg 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 Luxemburg to Sofia in October from 120€

Return flights