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

Return flights

23 Apr - 30 Apr	Air Serbia
24 Apr - 27 Apr	Air Serbia
18 Apr - 23 Apr	Air Serbia
23 Apr - 26 Apr	Air Serbia
01 Apr - 03 Apr	easyJet
16 Apr - 30 Apr	easyJet
07 Apr - 11 Apr	SWISS
28 Apr - 05 May	SWISS
15 Apr - 18 Apr	Austrian Airlines
29 Apr - 03 May	easyJet
02 Apr - 06 Apr	Austrian Airlines
17 Apr - 23 Apr	easyJet
30 Apr - 04 May	Air Serbia
10 Apr - 03 May	easyJet
30 Apr - 03 May	easyJet
27 Apr - 02 May	easyJet
25 Apr - 02 May	easyJet

Also check the deals for one-way flights from Paris 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 Paris to Sofia in April from 138€

Return flights