Cheap Flights from Sofia (SOF) to London Heathrow (LHR)

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Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Sofia to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Sofia Airport to London Heathrow Airport? If you want to travel next month, return fares start from £156. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sofia to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sofia to London Heathrow flights are currently cheapest in November.

Direct flights from Sofia to London Heathrow

Sofia to London: Flight information

The things to know before you go.
Cheapest flight found£50
Cheapest month to flyDecember
Average flight time3 hrs, 28 mins
Most popular airlineBritish Airways
Average flights per week12

Finding cheap flights from Sofia to London Heathrow: Frequently asked questions

The best price we found for a return flight from Sofia to London Heathrow is £116. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 28 minutes is the average flight time from Sofia to London Heathrow.
British Airways and Bulgaria Air fly direct from Sofia to London Heathrow.
As of June 2026, there are 11 flights per week flying from Sofia to London Heathrow.
The cheapest month to fly from Sofia to London Heathrow is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sofia Airport to London Heathrow Airport on Sunday, 13 December 2026.
Yes – the average flight time is 3 hours and 28 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, British Airways offers the cheapest flight tickets to London Heathrow.

Travelling from Sofia Airport (SOF) to London Heathrow Airport (LHR): what you need to know

  • Book a direct flight from Sofia Airport to London Heathrow Airport and you'll be travelling for an average of 3 hours 30 minutes.

  • The timezone in London is UTC+0, which is two hours behind Sofia.

  • Flights from SOF to LHR start from 06:20 — the first with Bulgaria Air. The last departure is at 21:30 with British Airways. In total, you can take your pick of nine weekly Sofia Airport to London Heathrow Airport flights.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your SOF to LHR flight.

  • You'll likely experience bigger queues during popular months such as August. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.

  • Jetting into London (and then discovering more of the United Kingdom!) is easy with Bulgaria Air. This popular carrier has direct flights from Sofia Airport to London Heathrow Airport.

  • The airline with the highest booking volume on this route is Bulgaria Air.

  • With a reliable 88.89% of services arriving as planned, Bulgaria Air has the best on-time record for SOF to LHR flights.

  • If you want to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Sofia Airport to London Heathrow Airport. Here are the most popular stopovers between SOF and LHR:

    • Frankfurt am Main Airport

    • Munich Airport

    • Vienna Airport

How to find the cheapest flights from Sofia Airport (SOF) to London Heathrow Airport (LHR)

  • Right now, £50 is the cheapest price we've found for a one-way Sofia Airport to London Heathrow Airport flight. The best price for a return plane ticket is £116. Keep in mind that fares can change due to demand when booking.

  • Book seven months before you want to fly. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from SOF to LHR.

  • The cheapest month for flights from Sofia Airport to London Heathrow Airport is December. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • Picking up cheap flights from SOF to LHR is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when there's a better deal.

  • Choose your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Sofia Airport to London Heathrow Airport.

Handy information about Sofia Airport (SOF)

  • Of the departures from Sofia Airport, 77% land on time at their destination.

  • Sofia Airport is about 10 kms (6 miles) from central Sofia. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • Planning to catch public transport? Expect a journey time of around 30 minutes.

  • Looking for a handy hotel near SOF? If you've booked an early flight from Sofia Airport to London Heathrow Airport, these stays will put you moments from your departure lounge:

Arriving at London Heathrow Airport (LHR)

When to fly to London Heathrow Airport (LHR)

  • It's time to plan your trip dates for your flight from Sofia Airport to London Heathrow Airport. July is the most popular month to head to London. If you like a more laid-back vibe, go in March.

  • Book your flight from Sofia Airport to London Heathrow Airport for July if you'd like to visit London during its warmest month. Expect temperatures of between 11ºC and 26ºC.

  • Look for cheap tickets from SOF to LHR in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

Explore more of the United Kingdom

  • London is always a good idea, but there are so many other corners of the United Kingdom you should also see. Around 257 kms (160 miles) north-west of London, a visit to Manchester will fill your itinerary to the brim. Start with leading attractions like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

  • If you're looking to explore another great destination in the United Kingdom, head for Birmingham, roughly 161 kms (100 miles) north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.