Q: What is the typical price of a round-trip flight between London Heathrow Airport and Sofia?

Prices are currently low for flights on this route. Typical prices usually range from £219 to £351. The lowest price recently found on this route was £102.

Question 1

What is the cheapest time of day to depart on your flight to Sofia?

Accepted Answer

Our data shows that the cheapest London Heathrow Airport to Sofia flights are usually those with departure times in the morning. Our users have found flights to Sofia in the morning for as low as £146. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £184 on average. Flights to Sofia from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 2

How have London Heathrow Airport to Sofia flight prices changed over time?

Accepted Answer

As of December 2025, prices for London Heathrow Airport to Sofia flights are approximately 47% more expensive when compared to flights at the same time last year.

Question 3

Which airlines fly to Sofia?

Accepted Answer

Bulgaria Air, British Airways and Lufthansa are the top three most popular airlines that fly to Sofia from London Heathrow Airport according to our data. Bulgaria Air is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Sofia. Keep in mind that there are 8 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

Question 4

What cabin class options are available on London Heathrow to Sofia flights?

Accepted Answer

There are 2 cabin classes available to choose from on London Heathrow to Sofia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 5

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

Accepted Answer

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Question 6

How many flights depart from London Heathrow Airport to Sofia on average per week?

Accepted Answer

2 flights are operational weekly from London Heathrow Airport to Sofia as of December 2025. The most popular departure day for this route is Mon, with 100% of flights per week taking off on this day.

Question 7

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

Accepted Answer

According to our data, Bulgaria Air have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

Question 8

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

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 9

Which stopover airport has the shortest connection time from London Heathrow Airport to Sofia?

Accepted Answer

Warsaw (WAW) has the shortest average stopover time for this route: 1h 17m.

Question 10

What is the typical price of a round-trip flight between London Heathrow Airport and Sofia?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £219 to £351.
The lowest price recently found on this route was £102.

Question 11

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Sofia?

Accepted Answer

Vienna (VIE) was the most common stop: 35% of momondo users choosing one-stop flights on this route connected there.

Question 12

Which stopover airport offers the lowest fares from London Heathrow Airport to Sofia?

Accepted Answer

Flights via Amsterdam (AMS) offer the lowest average return price of £157.

Question 13

How often are flights from London to Sofia delayed?

Accepted Answer

Historically, on average around 18% of flights between London and Sofia have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

Question 14

Which stopover airport has the shortest travel time from London Heathrow Airport to Sofia?

Accepted Answer

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 5h 22m.

Question 15

What is the cheapest London Heathrow to Sofia flight route?

Accepted Answer

Fly from London Heathrow to Sofia for the best London Heathrow - Sofia flight prices

Question 16

What is the cheapest day to depart on your flight to Sofia?

Accepted Answer

On average, the least expensive day to fly to Sofia from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £126. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Sofia for around £194.

Question 17

What is the cheapest month to fly to Sofia?

Accepted Answer

The month of November is, on average, the cheapest month to fly to Sofia from London Heathrow Airport, with most prices found around £143. If you aren’t able to travel to Sofia during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £147.

Question 18

How far in advance should I book a flight to Sofia?

Accepted Answer

You are more likely to see cheaper flights to Sofia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around £202 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from London Heathrow Airport for as low as £180 on momondo.

Question 19

Can stopping save me money on London Heathrow Airport to Sofia flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Sofia.

Question 20

When did momondo last update prices for flights from London Heathrow Airport to Sofia Airport?

Accepted Answer

Prices for flights from London Heathrow Airport to Sofia Airport are refreshed on a daily basis.

Question 21

How many operators does momondo search for flights from London Heathrow Airport to Sofia Airport?

Accepted Answer

As of December 2025, there are 8 operators available to choose from for flights from London Heathrow Airport to Sofia Airport.

Question 22

How old do you have to be to fly from London Heathrow Airport to Sofia Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Sofia Airport.

Question 23

What documentation or ID do you need to fly to Sofia Airport?

Accepted Answer

The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	£100
Fastest flight time	3h 00m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Sofia	1 airport

Airline	Rating	Free Cancellation	Price
Wizz Air	PriceFrom £37	Free Cancellation	Rating 6.8 1,068 reviews	Search Wizz Air flights
Air Serbia	PriceFrom £53	Free Cancellation	Rating 6.2 210 reviews	Search Air Serbia flights
Ryanair	PriceFrom £59	Free Cancellation	Rating 6.8 5,222 reviews	Search Ryanair flights
British Airways	PriceFrom £98	Free Cancellation	Rating 6.7 7,583 reviews	Search British Airways flights
LOT	PriceFrom £144	Free Cancellation	Rating 7.5 1,149 reviews	Search LOT flights
Lufthansa	PriceFrom £144	Free Cancellation	Rating 6.8 7,632 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom £158	Free Cancellation	Rating 7.6 879 reviews	Search Austrian Airlines flights
Bulgaria Air	PriceFrom £164	Free Cancellation	Rating 8.1 59 reviews	Search Bulgaria Air flights

Cheap flights from London Heathrow Airport to Sofia from £61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Sofia departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from London Heathrow Airport to Sofia

What is the typical price of a round-trip flight between London Heathrow Airport and Sofia?

What is the cheapest month to fly to Sofia?

What is the cheapest day to depart on your flight to Sofia?

What is the cheapest time of day to depart on your flight to Sofia?

What is the cheapest London Heathrow to Sofia flight route?

Fly from London Heathrow to Sofia for the best London Heathrow - Sofia flight prices

How far in advance should I book a flight to Sofia?

What cabin class options are available on London Heathrow to Sofia flights?

There are 2 cabin classes available to choose from on London Heathrow to Sofia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Sofia flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Sofia.

How have London Heathrow Airport to Sofia flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Sofia flights are approximately 47% more expensive when compared to flights at the same time last year.

Which airlines fly to Sofia?

How often are flights from London to Sofia delayed?

Historically, on average around 18% of flights between London and Sofia have experienced a delay on any given week. The average delay length over the past 12 months has been 124 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Bulgaria Air have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Sofia?

Vienna (VIE) was the most common stop: 35% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London Heathrow Airport to Sofia?

Flights via Amsterdam (AMS) offer the lowest average return price of £157.

Which stopover airport has the shortest travel time from London Heathrow Airport to Sofia?

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 5h 22m.

Which stopover airport has the shortest connection time from London Heathrow Airport to Sofia?

Warsaw (WAW) has the shortest average stopover time for this route: 1h 17m.

How many flights depart from London Heathrow Airport to Sofia on average per week?

2 flights are operational weekly from London Heathrow Airport to Sofia as of December 2025. The most popular departure day for this route is Mon, with 100% of flights per week taking off on this day.

When to book flights from London Heathrow Airport to Sofia

Cheap London Heathrow Airport to Sofia (LHR to SOF) flight deals and tips

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How far is London Heathrow to Sofia by plane?

When did momondo last update prices for flights from London Heathrow Airport to Sofia Airport?

How many operators does momondo search for flights from London Heathrow Airport to Sofia Airport?

How old do you have to be to fly from London Heathrow Airport to Sofia Airport?

What documentation or ID do you need to fly to Sofia Airport?

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What is the most popular airline from London Heathrow Airport to Sofia?

Best airlines flying from London Heathrow Airport to Sofia

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