Question 1

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

Accepted Answer

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 23m.

Question 2

What is the cheapest airline that flies from London Heathrow to Sofia?

Accepted Answer

British Airways is the most popular carrier operating from London Heathrow to Sofia

Question 3

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

Accepted Answer

Flights via Munich (MUC) offer the lowest average round-trip price of $212.

Question 4

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

Accepted Answer

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 5h 00m.

Question 5

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 $271 when searching weeks out. 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 $241 on momondo.

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

Munich (MUC) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Question 8

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

Accepted Answer

4 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 50% of flights per week taking off on this day.

Question 9

What is the cheapest month to fly to Sofia?

Accepted Answer

The cheapest month to fly to Sofia from London Heathrow Airport is in November. Flight prices, which tend to average around $191, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from London Heathrow Airport during January instead. Flights to Sofia in January, while not as cheap as those in November, still average around $196.

Question 10

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 11

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

Accepted Answer

According to our data, Friday is the cheapest day to fly to Sofia from London Heathrow Airport. The lowest ticket price found for a Friday departure recently was $155. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London Heathrow Airport to Sofia on a Saturday will generally be more expensive and average around $239. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 12

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 13

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 14

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 46% more expensive when compared to flights at the same time last year.

Question 15

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

Accepted Answer

In the evening is the cheapest time of day to fly from London Heathrow Airport to Sofia when you can find flight prices for as low as $124. Flying to Sofia in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $238 per ticket.

Question 16

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 17

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

Accepted Answer

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

Question 18

What airlines fly to Sofia?

Accepted Answer

Lufthansa, British Airways and Bulgaria Air are the top three most popular airlines that fly to Sofia from London Heathrow Airport according to our data. Lufthansa is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 3 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

Question 19

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 in the early afternoon have, in the past, seen delays more frequently in comparison.

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

The number of operators available for flights from London Heathrow Airport to Sofia Airport is 3 as of December 2025.

Question 22

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Fastest flight time	3h 10m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Sofia	1 airport

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $95	Free Cancellation	Rating 6.7 7,583 reviews	Search British Airways flights
Bulgaria Air	PriceFrom $169	Free Cancellation	Rating 8.1 59 reviews	Search Bulgaria Air flights
Lufthansa	PriceFrom $199	Free Cancellation	Rating 6.8 7,632 reviews	Search Lufthansa flights

Cheap flights from London Heathrow Airport to Sofia from $90

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 2/7. 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 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 46% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from London Heathrow to Sofia?

British Airways is the most popular carrier operating from London Heathrow to Sofia

What 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 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 which experiences the fewest number of 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 least number of 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 layover for flights between London Heathrow Airport and Sofia?

Munich (MUC) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Munich (MUC) offer the lowest average round-trip price of $212.

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

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 5h 00m.

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

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 23m.

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

4 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 50% 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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