Our cheapest offers for flights from London Heathrow to Sofia

Here you can compare cheap flights from London Heathrow (LHR) to Sofia (SOF) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Sofia. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Heathrow Sofia	Outbound 30/01/26 1 Stopover (MUC) LH2485, LH4158 04h 40min	Return 02/02/26 1 Stopover (ZRH) LX1391, LX0326 04h 50min	Lufthansa	?	£158
Best option London Heathrow Sofia	Outbound 20/03/26 direct FB0852 03h 00min	Return 17/04/26 direct FB0851 03h 25min	Bulgaria Air		£229
London Heathrow Sofia Please note: transfer for connecting flight	Outbound 31/01/26 direct FB0852 03h 10min	Return 03/02/26 1 Stopover (STR) W64335, EW2464 06h 15min	Bulgaria Air		£205
London Heathrow Sofia	Outbound 20/03/26 1 Stopover (BEG) JU0211, JU0112 24h 10min	Return 17/04/26 1 Stopover (BEG) JU0113, JU0210 22h 30min	Air Serbia		£158
London Heathrow Sofia	Outbound 31/01/26 direct BA0890 03h 10min	Return 03/02/26 1 Stopover (BEG) JU0113, JU0210 22h 20min	British Airways		£171
London Heathrow Sofia	Outbound 28/01/26 1 Stopover (ZRH) LX0339, LX1390 17h 10min	Return 05/02/26 1 Stopover (ZRH) LX1391, LX0340 07h 40min	Swiss International Air Lines	?	£173
London Heathrow Sofia	Outbound 31/01/26 1 Stopover (BEG) JU0211, JU0112 24h 10min	Return 03/02/26 1 Stopover (BEG) JU0113, JU0210 22h 20min	Air Serbia		£187
London Heathrow Sofia	Outbound 31/01/26 1 Stopover (WAW) LO0280, LO0631 17h 30min	Return 03/02/26 1 Stopover (WAW) LO0632, LO0285 09h 25min	Polskie Linie Lotnicze LOT	?	£187
London Heathrow Sofia	Outbound 23/03/26 1 Stopover (FRA) LH0909, LH1430 05h 15min	Return 18/04/26 1 Stopover (VIE) OS0776, OS0339 04h 45min	Lufthansa	?	£192
London Heathrow Sofia	Outbound 20/03/26 direct FB0852 03h 00min	Return 17/04/26 direct FB0851 03h 25min	Bulgaria Air	?	£239

Tips and tricks to help you find cheap flights from London Heathrow to Sofia

Important flight information

Flight information: London Heathrow - Sofia

Outbound and return from	157,55 GBP
Flight duration	min. 03:00 / max. 03:10
Return flight duration	min. 03:30/ max. 03:35
Distance	2043 km
Flights per week	15
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Sofia (SOF)
Destination country	Flights to Bulgaria

Alternative flights to Sofia

Flight London Luton - Sofia from 52 GBP
Flight London Gatwick - Sofia from 99 GBP
Flight London - Sofia from 52 GBP

Popular destinations for onward travel

Flight destinations with a similar price

Flight London Heathrow - Larnaca from 144 GBP
Flight London Heathrow - Algiers from 144 GBP
Flight London Heathrow - Belgrade from 160 GBP
Flight London Heathrow - Stavanger from 147 GBP
Flight London Heathrow - Tangier from 154 GBP
Flight London Heathrow - Zagreb from 155 GBP
Flight London Heathrow - Bremen from 170 GBP
Flight London Heathrow - Tenerife South from 165 GBP
Flight London Heathrow - Cluj-Napoca from 158 GBP
Flight London Heathrow - Bergen from 144 GBP