AirHint found the following cheapest return flights from Lisbon (LIS) to Sofia (SOF) in April 2026 (see full year).

Return flights

24 Apr - 28 Apr	Vueling Airlines
24 Apr - 29 Apr	Vueling Airlines
22 Apr - 25 Apr	Ryanair
23 Apr - 28 Apr	Vueling Airlines
28 Apr - 29 Apr	Ryanair
22 Apr - 27 Apr	Ryanair
04 Apr - 15 Apr	Ryanair
08 Apr - 13 Apr	Vueling Airlines
15 Apr - 18 Apr	Ryanair
25 Apr - 29 Apr	easyJet
24 Apr - 02 May	Vueling Airlines
29 Apr - 02 May	Ryanair
28 Apr - 02 May	Ryanair
24 Apr - 01 May	Vueling Airlines
26 Apr - 02 May	easyJet
27 Apr - 02 May	easyJet
08 Apr - 16 May	Vueling Airlines
25 Apr - 02 May	easyJet
29 Apr - 03 May	Vueling Airlines
30 Apr - 02 May	TAP

Also check the deals for one-way flights from Lisbon to Sofia in April.

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 Lisbon to Sofia in April from 124€

Return flights