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Cheap flights from London Heathrow to Sofia

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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 round-trip flight from London Heathrow to Sofia? Find the lowest prices on one-way and round-trip tickets right here.
Sofia.C$165 per passenger.Departing Wed, Mar 18, returning Mon, Mar 23.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Wed, Mar 18, arriving in Sofia.Inbound direct flight with British Airways departing from Sofia on Mon, Mar 23, arriving in London Heathrow.Price includes taxes and charges.From C$165, select.
Sofia.C$174 per passenger.Departing Tue, Nov 18, returning Tue, Nov 25.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Tue, Nov 18, arriving in Sofia.Inbound direct flight with British Airways departing from Sofia on Tue, Nov 25, arriving in London Heathrow.Price includes taxes and charges.From C$174, select.
Sofia.C$175 per passenger.Departing Fri, Feb 27, returning Tue, Mar 3.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Fri, Feb 27, arriving in Sofia.Inbound direct flight with British Airways departing from Sofia on Tue, Mar 3, arriving in London Heathrow.Price includes taxes and charges.From C$175, select.
Sofia.C$179 per passenger.Departing Fri, Feb 20, returning Tue, Feb 24.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Fri, Feb 20, arriving in Sofia.Inbound direct flight with British Airways departing from Sofia on Tue, Feb 24, arriving in London Heathrow.Price includes taxes and charges.From C$179, select.
Sofia.C$180 per passenger.Departing Fri, Jan 23, returning Mon, Jan 26.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Fri, Jan 23, arriving in Sofia.Inbound direct flight with British Airways departing from Sofia on Mon, Jan 26, arriving in London Heathrow.Price includes taxes and charges.From C$180, select.
Sofia.C$188 per passenger.Departing Fri, Dec 5, returning Tue, Dec 9.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Fri, Dec 5, arriving in Sofia.Inbound direct flight with British Airways departing from Sofia on Tue, Dec 9, arriving in London Heathrow.Price includes taxes and charges.From C$188, select.
Sofia.C$189 per passenger.Departing Tue, Nov 25, returning Mon, Dec 1.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Tue, Nov 25, arriving in Sofia.Inbound direct flight with British Airways departing from Sofia on Mon, Dec 1, arriving in London Heathrow.Price includes taxes and charges.From C$189, select.
Sofia.C$203 per passenger.Departing Fri, Jan 30, returning Mon, Feb 2.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from London Heathrow on Fri, Jan 30, arriving in Sofia.Inbound direct flight with British Airways departing from Sofia on Mon, Feb 2, arriving in London Heathrow.Price includes taxes and charges.From C$203, select.

When is the cheapest time 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 March.
Apr
from C$351
May
from C$217
Jun
from C$259
Jul
from C$306
Aug
from C$298
Sep
from C$226
Oct
from C$220
Nov
from C$174
Dec
from C$188
Jan
from C$180
Feb
from C$179
Mar
from C$165

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 foundC$165
Cheapest month to flyMarch
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 round-trip flight from London Heathrow to Sofia is C$165. 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, American Airlines and Bulgaria Air fly direct from London Heathrow to Sofia.
There are 12 flights per week flying from London Heathrow to Sofia, as of April 2025.
The cheapest month to fly from London Heathrow to Sofia is usually April 2025.
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 Wednesday, March 18, 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.

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

  • The average length of a direct flight from London Heathrow Airport to Sofia Airport is 3 hours 5 minutes.

  • Sofia's timezone is UTC+2, which makes Sofia two hours ahead of London.

  • Each week, there are 30 London Heathrow Airport to Sofia Airport flights. If you prefer to get going as soon as possible, take the 06:15 British Airways flight. If you'd rather make the most of your day before flying, the last departure is at 17:45 with Bulgaria Air.

  • Get to the airport on time so you don't miss your LHR to SOF flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • During popular months like July, it's best to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during a peak period in general.

  • British Airways is your ticket to exploring Sofia (and perhaps some other great corners of Bulgaria!). Browse the direct flights from London Heathrow Airport to Sofia Airport offered by this carrier.

  • British Airways is the airline most travellers choose to fly with on this route.

  • British Airways is the most punctual carrier that operates LHR to SOF flights. A reliable 80.95% of its services on this route arrive as scheduled.

  • If you want to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from London Heathrow Airport to Sofia Airport. Here are the top stopovers between LHR and SOF:

    • Frankfurt Airport

    • Amsterdam Airport Schiphol

    • Zurich Airport

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

  • C$106 is currently the lowest price for a one-way London Heathrow Airport to Sofia Airport flight. A return flight starts from C$165. These prices can change based on availability.

  • It's often best to book as early as possible if you're looking for cheap tickets from LHR to SOF. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • Schedule your trip for November. That's the cheapest month for flights from London Heathrow Airport to Sofia Airport. If you're flexible with your travel dates, use the 'Whole month' tool to find the lowest airfare across every month.

  • Save time looking for cheap flights from LHR to SOF by creating a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Discover the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from London Heathrow Airport to Sofia Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about London Heathrow Airport (LHR)

  • Of all flights departing from London Heathrow Airport, 68.18% touch down on time at their destination.

  • Central London to London Heathrow Airport is around 31 kilometres. Depending on traffic, it'll take about 55 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to catch public transport? Expect a trip time of around 1 hour.

  • Taking an early flight from London Heathrow Airport to Sofia Airport? Avoid the stress of rushing to the terminal (and catch some extra z's) by picking one of these hotels near LHR:

Arriving at Sofia Airport (SOF)

  • If you're coming in on a late London Heathrow Airport to Sofia Airport flight, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be tucked up in bed shortly after at one of these hotels near SOF:

  • Follow your own route with a Sofia Airport rental car. Pick up a set of wheels from MEX, Surprice or NU Car Rentals and chase adventure across Sofia and beyond.

  • Lock in the lowest price by reserving your vehicle from Sofia Airport about one week in advance of your trip.

Getting from Sofia Airport (SOF) to central Sofia

  • Sofia Airport to the centre of Sofia has a drive time of about 15 minutes. It's approximately 11 kilometres away.

  • If you're travelling by public transport, expect a journey of about 35 minutes.

When to fly to Sofia Airport (SOF)

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

  • Before locking in your flight from London Heathrow Airport to Sofia Airport, consider the kind of weather you like. August is the warmest month in Sofia, with the temperature ranging from 14ºC (57ºF) to 30ºC (86ºF).

  • January sees average temperatures of between -11ºC (12ºF) and 7ºC (45ºF). Search for cheap tickets from LHR to SOF sometime then if you want to travel when it's cooler.

Explore more of Bulgaria

  • Sofia has plenty going for it, but there are so many other parts of Bulgaria waiting to be discovered. Around 129 kilometres south-east of Sofia, a trip to Plovdiv will keep your itinerary busy. Don't miss top attractions like Plovdiv Old Town, Plovdiv Roman Theatre and Archaelogical Complex Nebet Tepe.

  • If you're ready to explore another major destination in Bulgaria, consider Varna, about 386 kilometres east of Sofia. Park Asparuhovo - Asparuhovo sea garden, Dormition of theotokos Cathedral and Sunset viewpoint (място за гледане на Залеза) are key reasons to visit.

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Plan the rest of your trip from London to Sofia

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.