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

Compare London Heathrow to Sofia flight deals

Find the cheapest month or even day of the year to fly to Sofia

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Flight deals from London Heathrow to Sofia

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Sofia Airport? If you want to travel next month, return fares start from $287. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London Heathrow to Sofia

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

Direct flights from London Heathrow to Sofia

London Heathrow to Sofia: Alternative routes

Compare routes from London Heathrow to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

London to Sofia: Flight information

The things to know before you go.
Cheapest flight found$224
Cheapest month to flyNovember
Average flight time3 hrs, 9 mins
Most popular airlineBritish Airways
Average flights per week12

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

The best price we found for a return flight from London Heathrow to Sofia is $224. 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 9 minutes is the average flight time from London Heathrow to Sofia.
British Airways and Bulgaria Air fly direct from London Heathrow to Sofia.
As of June 2026, there are 12 flights per week flying from London Heathrow to Sofia.
The cheapest month to fly from London Heathrow to Sofia is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Sofia Airport on Saturday, 21 November 2026.
Yes – the average flight time is 3 hours and 9 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 Sofia 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 Sofia 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 Sofia.

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

  • The average duration of a direct flight from London Heathrow Airport to Sofia Airport is 3 hours 10 minutes.

  • The timezone in Sofia is UTC+2, which is two hours ahead of London.

  • Choose from nine weekly London Heathrow Airport to Sofia Airport flights. The 06:10 departure with British Airways is the earliest flight available. Bulgaria Air operates the last service of the day at 17:55.

  • To ensure you catch your LHR to SOF flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule.

  • During popular months such as July, it's a good idea to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a high season in general.

  • Bulgaria Air is your gateway to discovering Sofia (and maybe even some other great corners of Bulgaria!). Browse the direct flights from London Heathrow Airport to Sofia Airport offered by this popular airline.

  • The airline most travellers fly with on this route is Bulgaria Air.

  • British Airways is the most punctual carrier that offers LHR to SOF flights. A dependable 82.35% of its departures on this route arrive without delay.

  • Think about adding a stopover when booking your ticket from London Heathrow Airport to Sofia Airport. Simply uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here are some options between LHR and SOF:

    • Amsterdam Schiphol Airport

    • Frankfurt am Main Airport

    • Paris Charles de Gaulle Airport

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

  • At the moment, $105 is the cheapest price we've seen for a one-way London Heathrow Airport to Sofia Airport flight. The best price for a return plane ticket is $224. Bear in mind that fares can change due to availability when booking.

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

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

  • Finding cheap flights from LHR to SOF is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.

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

Handy information about London Heathrow Airport (LHR)

  • Of all flights leaving London Heathrow Airport, 78% arrive on time at their destination.

  • To reach London Heathrow Airport from central London, it takes around 45 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 24 kilometres from the airport to the city centre.

  • Taking public transport? Expect a journey time of around 25 minutes.

  • Get your travels off to a hassle-free start by staying near LHR. Whether you're boarding an early flight from London Heathrow Airport to Sofia Airport or just don't want to be rushed, these stays are perfect:

Arriving at Sofia Airport (SOF)

Getting from Sofia Airport (SOF) to central Sofia

  • From Sofia Airport, Sofia is approximately 10 kilometres away. It takes around 25 minutes to reach the centre driving.

  • It takes roughly 30 minutes if you're travelling on public transport.

When to fly to Sofia Airport (SOF)

  • The quietest month for a flight from London Heathrow Airport to Sofia Airport is March, while August is the busiest. Pick the ideal time to visit Sofia based on whether you prefer a more fast-paced or easygoing experience.

  • Lock in your flight from London Heathrow Airport to Sofia Airport for August if you want to go to Sofia during its warmest month. You can expect temperatures of between 13ºC (55ºF) and 32ºC (90ºF).

  • January has average temperatures of between -11ºC (12ºF) and 7ºC (45ºF). Look for cheap tickets from LHR to SOF sometime around then if you'd rather travel in cooler conditions.

Explore more of Bulgaria

  • Sofia has loads to offer, but there are so many other corners of Bulgaria waiting to be explored. Around 129 kilometres south-east of Sofia, a trip to Plovdiv will keep your itinerary packed. Start with leading attractions like Plovdiv Roman Theatre, Municipal Institute "Ancient Plovdiv" and Museum Centre for Contemporary History.

  • If you're eager to discover another great destination in Bulgaria, head for Varna, about 386 kilometres east of Sofia. Sahara beach, Museum of Natural History and Sea Garden are key reasons to visit.

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