Q: How much does it cost for a return flight from London Heathrow Airport to Sofia?

Airfare is below average for this route at the moment. London Heathrow Airport to Sofia flights typically cost between £208 and £323 in October. The cheapest return price found within the last 5 days was £117 on LOT (4 Oct–6 Oct).

Question 1

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Question 2

What’s the top stopover airport for flights from London Heathrow Airport to Sofia?

Accepted Answer

Warsaw (WAW) – chosen by Cheapflights users on 34% of one-stop itineraries from London Heathrow Airport to Sofia on Cheapflights.

Question 3

What is the most punctual flight time for London to Sofia flights?

Accepted Answer

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 4

How much does it cost for a return flight from London Heathrow Airport to Sofia?

Accepted Answer

Airfare is below average for this route at the moment.London Heathrow Airport to Sofia flights typically cost between £208 and £323 in October.
The cheapest return price found within the last 5 days was £117 on LOT (4 Oct–6 Oct).

Question 5

What’s the fastest stopover option from London Heathrow Airport to Sofia?

Accepted Answer

Flights via Zurich (ZRH) have the shortest average one-way travel time for one-stop routes: 4h 55m.

Question 6

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Sofia?

Accepted Answer

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 48m.

Question 7

What’s the cheapest stopover airport for flights from London Heathrow Airport to Sofia?

Accepted Answer

Belgrade (BEG) is the most affordable one-stop option, with an average return flight price of £216.

Question 8

How often are flights from London to Sofia delayed?

Accepted Answer

About 11% of weekly flights between London and Sofia have experienced delays in the past year, with the average delay time being 115 minutes.

Question 9

Which airline has the best punctuality record on London to Sofia flights?

Accepted Answer

Over the past year, Bulgaria Air have had the lowest number of delays on this route, with just 9% of flights being delayed.

Question 10

How long is the flight from London Heathrow Airport to Sofia?

Accepted Answer

Airlines like British Airways and SWISS fly from London Heathrow Airport to Sofia in about 3h 10m. The time it takes to get you to your destination can typically vary by up to 3h 55m. The distance between London Heathrow Airport and Sofia is about 1267 mi. Both multi-stop and direct flights can be found to your destination and back.

Question 11

What are the cheapest airlines flying from London Heathrow Airport to Sofia round-trip?

Accepted Answer

Our cheapest airline available from London Heathrow Airport to Sofia is British Airways. Our recent data shows that you can find tickets from as low as £112 on this airline. Additional options worth looking into are LOT and Bulgaria Air, starting at £142 and £148 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 45% less than the average price by searching for these airlines.

Question 12

What are the cheapest airlines to fly from London Heathrow Airport to Sofia one-way?

Accepted Answer

The cheapest airline one-way is Wizz Air, with whom users have recently found tickets for as low as £44. However, be on the lookout for offers from British Airways and Bulgaria Air, as they are both options that can get you from London Heathrow Airport to Sofia for a low price.

Question 13

How far ahead should I book a flight from London Heathrow Airport to Sofia?

Accepted Answer

The best time to book flights from London Heathrow Airport to Sofia is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 14

What is the cheapest month to book a flight from London Heathrow Airport to Sofia?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £130). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of £283). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 15

E

Accepted Answer

In terms of precipitation, rainfall in Sofia ranges from 30.0 - 70.0 inches per month. June is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Sofia when rainfall is around 30.0 mm.

Question 16

E

Accepted Answer

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Question 17

What are the cheapest flights from London Heathrow Airport to Sofia?

Accepted Answer

Looking for the cheapest flight from London Heathrow Airport to Sofia? While on average our users pay £249, our data indicates the cheapest price to be £102. The most popular route (London Heathrow - Sofia), is priced around £148.

Question 18

What are the most popular airlines that fly from London Heathrow Airport to Sofia?

Accepted Answer

Before booking your flight from London Heathrow Airport to Sofia check out the most popular airlines for this route: Bulgaria Air, British Airways or Lufthansa.

Question 19

What is the cheapest time of day to fly from LHR to SOF?

Accepted Answer

When flying from London Heathrow Airport to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight in the afternoon.

Question 20

What airport do you fly into for flights to Sofia from London Heathrow?

Accepted Answer

Most people fly into Sofia (SOF) if they book a flight to Sofia from London Heathrow. On average, Sofia has 0 inbound flights from London Heathrow per day from 5 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

Question 21

Can I find deals for flights from Heathrow to Sofia that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Sofia flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 22

How can I find direct flights from Heathrow to Sofia?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Sofia.

Question 23

Can I find deals for business class flights from Heathrow to Sofia?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 24

How does Cheapflights help users find flights from Heathrow to Sofia?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sofia from Heathrow today with Cheapflights!

Question 25

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sofia?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Sofia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 26

Can Cheapflights find flights from Heathrow to Sofia with no change fees?

Accepted Answer

Need flexible booking options for your flight to Sofia from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 27

Can Cheapflights notify me if prices for flights from Heathrow to Sofia become cheaper?

Accepted Answer

Yes! Start tracking prices for Heathrow to Sofia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£117
One-way from	£70
Popular in	December
Cheapest in	January
Average price	£257
Good round-trip deal	£242 or less
Good one-way deal	£144 or less

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£112	Average£192	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
LOT	Cheapest£142	Average£219	FlexibilityNo cancel fee	On-time81%	Search LOT flights
Bulgaria Air	Cheapest£148	Average£249	FlexibilityNo cancel fee	On-time73%	Search Bulgaria Air flights
Lufthansa	Cheapest£153	Average£219	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Austrian Airlines	Cheapest£166	Average£188	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights

Cheap flights from London Heathrow Airport to Sofia from £70

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Sofia

Cheapest flights from Heathrow to SofiaExplore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Explore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Best flights from Heathrow to SofiaDiscover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 July 2026.

Discover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 July 2026.

Direct flights from Heathrow to SofiaExplore direct flight options from Heathrow to Sofia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 July 2026.

Explore direct flight options from Heathrow to Sofia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 July 2026.

Last-minute flights from Heathrow to SofiaDiscover last-minute flight deals from Heathrow to Sofia. Data last updated 18 July 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Sofia. Data last updated 18 July 2026 and is based on user searches.

One-way flights from Heathrow to SofiaSearch for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated 18 July 2026.

Search for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated 18 July 2026.

Find flight deals from Heathrow to Sofia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Sofia that are best for you.

Best time to book a flight from Heathrow to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Heathrow with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from London Heathrow Airport to Sofia?

The best time to book flights from London Heathrow Airport to Sofia is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Sofia?

What is the cheapest time of day to fly from LHR to SOF?

When flying from London Heathrow Airport to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight in the afternoon.

How much does it cost for a return flight from London Heathrow Airport to Sofia?

How often are flights from London to Sofia delayed?

About 11% of weekly flights between London and Sofia have experienced delays in the past year, with the average delay time being 115 minutes.

What is the most punctual flight time for London to Sofia flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Sofia flights?

Over the past year, Bulgaria Air have had the lowest number of delays on this route, with just 9% of flights being delayed.

What’s the top stopover airport for flights from London Heathrow Airport to Sofia?

Warsaw (WAW) – chosen by Cheapflights users on 34% of one-stop itineraries from London Heathrow Airport to Sofia on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Sofia?

Belgrade (BEG) is the most affordable one-stop option, with an average return flight price of £216.

What’s the fastest stopover option from London Heathrow Airport to Sofia?

Flights via Zurich (ZRH) have the shortest average one-way travel time for one-stop routes: 4h 55m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Sofia?

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 48m.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated 18 July 2026.

See what other customers who have flown with Austrian Airlines,LOT, andLufthansa from London Heathrow Airport to Sofia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Sofia from London Heathrow?

How long is the flight from London Heathrow Airport to Sofia?

What are the cheapest airlines flying from London Heathrow Airport to Sofia round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Sofia one-way?

What are the cheapest flights from London Heathrow Airport to Sofia?

Can I find deals for flights from Heathrow to Sofia that include hotel bookings?

How can I find direct flights from Heathrow to Sofia?

Can I find deals for business class flights from Heathrow to Sofia?

What is the cheapest month to book a flight from London Heathrow Airport to Sofia?

Travelling to a place near Sofia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Sofia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Sofia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Bulgaria

Book a non-stop flight to one of these other cities located in Bulgaria.

Search flights from Heathrow to Sofia by cabin class

Find flights from Heathrow to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Sofia flights

Browse other Heathrow and Sofia flight options. Last updated on 18 July 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 18 July 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Sofia

Explore flights to Sofia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 July 2026.

Cheapest flights from Heathrow to Sofia
Explore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Best flights from Heathrow to Sofia
Discover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 July 2026.

Direct flights from Heathrow to Sofia
Explore direct flight options from Heathrow to Sofia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 July 2026.

Last-minute flights from Heathrow to Sofia
Discover last-minute flight deals from Heathrow to Sofia. Data last updated 18 July 2026 and is based on user searches.

One-way flights from Heathrow to Sofia
Search for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated 18 July 2026.