Question 1

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 £125 on this airline. Additional options worth looking into are Air Serbia and Lufthansa, starting at £146 and £157 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 36% less than the average price by searching for these airlines.

Question 2

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

Accepted Answer

The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £52. However, be on the lookout for offers from Air Serbia and Aegean Airlines, as they are both options that can get you from London Heathrow Airport to Sofia for a low price.

Question 3

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 17 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 4

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 £88). Flying from London Heathrow Airport to Sofia in August is currently the most expensive (average of £311). 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 5

What is the cheapest day to fly from London Heathrow Airport to Sofia?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Sofia flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

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 7

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 8

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 £198, our data indicates the cheapest price to be £93. The most popular route (London Heathrow - Sofia), is priced around £94.

Question 9

What are the most reliable airlines from London Heathrow Airport to Sofia?

Accepted Answer

The top 3 most reliable airlines when flying from London Heathrow Airport to Sofia are Bulgaria Air (97%), American Airlines (73%) and British Airways (73%).

Question 10

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: British Airways, Bulgaria Air or Ryanair.

Question 11

What is the cheapest day to fly round-trip from London Heathrow Airport to Sofia?

Accepted Answer

Travelers have found that booking a Monday departure is the best way to save up to 24% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 12

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 176% on flights from London Heathrow Airport to Sofia compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £116. For sooner than that we have options available in the next 3 days from £198.

Question 13

What is the cheapest month to fly from London Heathrow Airport to Sofia?

Accepted Answer

Flights from London Heathrow Airport to Sofia lean towards being more expensive in July. Prices are generally better when you fly from London Heathrow Airport to Sofia in November, with the cheapest ticket starting at £30.

Question 14

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 at midday, which can drop the price by up to 19% versus a flight in the afternoon.

Question 15

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 1 inbound flight from London Heathrow per day from 9 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

Question 16

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 17

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 18

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 19

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 20

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 21

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 22

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	£125
One-way from	£52
Popular in	December
Cheapest in	November
Average price	£265
Good round-trip deal	£210 or less
Good one-way deal	£130 or less

Airline	Cheapest	Average	Flexibility	On-time
Wizz Air	Cheapest£36	Average£120	FlexibilityNo cancel fee	On-time83%	Search Wizz Air flights
Ryanair	Cheapest£43	Average£83	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Air Serbia	Cheapest£53	Average£151	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
British Airways	Cheapest£93	Average£190	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£134	Average£187	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
LOT	Cheapest£138	Average£217	FlexibilityNo cancel fee	On-time81%	Search LOT flights
KLM	Cheapest£143	Average£194	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Austrian Airlines	Cheapest£154	Average£201	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Bulgaria Air	Cheapest£158	Average£235	FlexibilityNo cancel fee	On-time73%	Search Bulgaria Air flights

Cheap flights from London Heathrow Airport to Sofia from £52

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or March, booked 17 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to Sofia

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Find 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 12 July 2025.

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 12 July 2025.

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

Everything you need to know about your flight from London Heathrow Airport to Sofia

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Sofia. Price data was last updated on 27 June 2025.

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?

Find hourly flight availability from Heathrow to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 July 2025.

What is the cheapest day to fly from London Heathrow Airport to Sofia?

Use this chart to determine the cheapest time to fly return from Heathrow to Sofia. Price data was last updated on 6 July 2025.

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

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 12 July 2025.

See what other customers who have flown with Aegean Airlines, Austrian Airlines, andSWISS 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

Find useful and relevant information for your journey from Heathrow to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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 most reliable airlines from London Heathrow Airport to Sofia?

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 London Heathrow Airport?

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.

Top 9 airlines flying from Heathrow to Sofia

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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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 12 July 2025.