Flights from London Heathrow to Sofia

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 Shop Baggage Price
London Heathrow
Sofia
Outbound
31/12/25
1 Stopover (MUC)
LH2485, LH1702
04h 40min
Return
12/01/26
1 Stopover (ZRH)
LX1391, LX0326
04h 50min
Lufthansa ?
£157
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
found yesterday
London Heathrow
Sofia
Outbound
09/12/25
1 Stopover (MUC)
LH2485, LH1702
04h 40min
Return
02/01/26
1 Stopover (FRA)
LH1431, LH0918
14h 35min
Lufthansa
£302
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
found yesterday
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
found yesterday
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
found yesterday
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
found yesterday
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
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to Sofia

Favourite airline: e.g. British Airways, Air Serbia
63 % of flights booked on the route from London Heathrow to Sofia are booked with British Airways, Air Serbia and Lufthansa.
British Airways
22 %
Air Serbia
22 %
Lufthansa
19 %
Direct flights are the cheapest connection
On this route, direct flights are £22.00 cheaper than flights with a stopover.
non stop flight
1 stop
2 stops
03h 10min
17h 40min
10h 45min
£ 140
£ 162
£ 259
The favourite connection is non-stop
30 % of travellers decide to book a direct flight on this route.
Route
bookings
Direct flights
03h 10min, from £ 140
30 %
1 stopover Belgrade (Beograd)
17h 40min, from £ 162
25 %
1 stopover Warsaw
25h 25min, from £ 227
14 %

Important flight information

Flight information: London Heathrow - Sofia

Outbound and return from £ 156,72
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
Popular destinations for onward travel
Flight destinations with a similar price