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

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

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

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 5h 25m.

How often are flights from Sofia to London delayed?

Historically, on average around 19% of flights between Sofia and London have experienced a delay on any given week. The average delay length over the past 12 months has been 116 minutes.

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

British Airways, Aegean Airlines, and Air Serbia are the most popular carriers operating from Sofia to London Heathrow

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

As of October 2025, there are 1 flights per week flying from Sofia to London Heathrow Airport. The most common day of the week flights depart is Mon, with 100% of flights taking off on this day.

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

Warsaw (WAW) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Munich (MUC) offer the lowest average return price of £182.

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

Warsaw (WAW) has the shortest average stopover time for this route: 0h 48m.

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

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

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

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

Which airlines fly to London Heathrow Airport?

Bulgaria Air, LOT and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Sofia according to our data. Bulgaria Air is the first choice among our users, with 40% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

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

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

As of October 2025, there are 3 operators available to choose from for flights from Sofia Airport to London Heathrow Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£36 Cheap Flights from Sofia to London Heathrow Airport in 2025/26

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12:05 - 13:50SOF-LHR

3h 45mdirect

07:50 - 13:00LHR-SOF

3h 10mdirect

£104British Airways

Find Deal

Sat, 29 Nov - Sun, 30 Nov

12:05 - 13:50SOF-LHR

3h 45mdirect

07:50 - 13:00LHR-SOF

3h 10mdirect

£110British Airways

Find Deal

Sat, 29 Nov - Sun, 30 Nov

21:00 - 22:30SOF-LHR

3h 30mdirect

22:15 - 10:25LHR-SOF

10h 10m1 stop

£122Multiple Airlines

Find Deal

Wed, 14 Jan - Sun, 18 Jan

20:20 - 21:15SOF-LHR

26h 55m1 stop

22:15 - 10:25LHR-SOF

10h 10m1 stop

£123Aegean Airlines

Find Deal

Wed, 14 Jan - Sun, 18 Jan

16:20 - 21:15SOF-LHR

6h 55m1 stop

09:55 - 23:30LHR-SOF

11h 35m1 stop

£128Multiple Airlines

Find Deal

Wed, 17 Dec - Sat, 10 Jan

20:20 - 21:15SOF-LHR

26h 55m1 stop

22:15 - 10:25LHR-SOF

10h 10m1 stop

£140Aegean Airlines

Find Deal

Fri, 9 Jan - Sun, 18 Jan

18:35 - 09:35SOF-LHR

17h 00m1 stop

06:30 - 13:50LHR-SOF

5h 20m1 stop

£143LOT

Find Deal

Mon, 17 Nov - Wed, 26 Nov

18:35 - 09:35SOF-LHR

17h 00m1 stop

18:20 - 13:50LHR-SOF

17h 30m1 stop

£146LOT

Find Deal

Fri, 21 Nov - Tue, 25 Nov

15:25 - 16:55SOF-LHR

3h 30mdirect

08:45 - 13:55LHR-SOF

3h 10mdirect

£153Bulgaria Air

Find Deal

Fri, 14 Nov - Sun, 16 Nov

15:25 - 16:55SOF-LHR

3h 30mdirect

17:55 - 22:55LHR-SOF

3h 00mdirect

£170Bulgaria Air

Find Deal

Fri, 14 Nov - Fri, 21 Nov

British Airways flights from Sofia to London Heathrow Airport

Our best British Airways deals on Sofia to London Heathrow Airport flight tickets

British Airways

29 Nov

SOF12:05Sofia

3h 45m

LHR13:50London Heathrow

30 Nov

LHR07:50London Heathrow

3h 10m

SOF13:00Sofia

£104

Find similar

British Airways

29 Nov

SOF12:05Sofia

3h 45m

LHR13:50London Heathrow

30 Nov

LHR07:50London Heathrow

3h 10m

SOF13:00Sofia

£110

Find similar

British Airways

12 Nov

SOF21:00Sofia

3h 30m

LHR22:30London Heathrow

16 Nov

LHR07:50London Heathrow

3h 10m

SOF13:00Sofia

£120

Find similar

Aegean Airlines flights from Sofia to London Heathrow Airport

Our best Aegean Airlines deals on Sofia to London Heathrow Airport flight tickets

Aegean Airlines

14 Jan

SOF20:20Sofia

26h 55m

1 stop

LHR21:15London Heathrow

18 Jan

LHR22:15London Heathrow

10h 10m

1 stop

SOF10:25Sofia

£123

Find similar

Aegean Airlines

9 Jan

SOF20:20Sofia

26h 55m

1 stop

LHR21:15London Heathrow

18 Jan

LHR22:15London Heathrow

10h 10m

1 stop

SOF10:25Sofia

£140

Find similar

Aegean Airlines

5 Dec

SOF20:20Sofia

26h 55m

1 stop

LHR21:15London Heathrow

9 Dec

LHR22:15London Heathrow

15h 15m

1 stop

SOF15:30Sofia

£161

Find similar

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 29/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Sun 30/11

07:50-13:00

Nonstop3h 10m

£104

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 29/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Sun 30/11

07:50-13:00

Nonstop3h 10m

£110

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 14/1

21:00-22:30

Nonstop3h 30m

London Heathrow

Sun 18/1

22:15-10:25

1 stop10h 10m

£122

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 14/1

20:20-21:15

1 stop26h 55m

London Heathrow

Sun 18/1

22:15-10:25

1 stop10h 10m

£123

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 17/12

16:20-21:15

1 stop6h 55m

London Heathrow

Sat 10/1

09:55-23:30

1 stop11h 35m

£128

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 9/1

20:20-21:15

1 stop26h 55m

London Heathrow

Sun 18/1

22:15-10:25

1 stop10h 10m

£140

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 17/11

18:35-09:35

1 stop17h 00m

London Heathrow

Wed 26/11

06:30-13:50

1 stop5h 20m

£143

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 21/11

18:35-09:35

1 stop17h 00m

London Heathrow

Tue 25/11

18:20-13:50

1 stop17h 30m

£146

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 14/11

15:25-16:55

Nonstop3h 30m

London Heathrow

Sun 16/11

08:45-13:55

Nonstop3h 10m

£153

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 14/11

15:25-16:55

Nonstop3h 30m

London Heathrow

Fri 21/11

17:55-22:55

Nonstop3h 00m

£170

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Stopovers

Other information

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

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

In general, November is the cheapest month to fly from Sofia to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £132. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Sofia averaging around £152.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Sofia is on a Thursday. momondo users have found tickets for Thursday departures for as low as £71. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £229.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Sofia to London Heathrow Airport in the evening for as low as £132. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £206 on average. Flights to London Heathrow Airport from Sofia in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Sofia to London Heathrow flight route?

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

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

There are 3 cabin classes available to choose from on Sofia to London Heathrow 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 Sofia to London Heathrow Airport flights?

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

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

As of October 2025, prices for Sofia to London Heathrow Airport flights are approximately 109% more expensive when compared to flights at the same time last year.

When to book flights from Sofia to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

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

Find info about flight duration, direct flights, and airports for your flight from Sofia to London Heathrow Airport

Best price found	£102
Fastest flight time	3h 15m
Direct flights	Mon, Tue, Thu, Sat and Sun

The best one-way flight to London Heathrow Airport from Sofia in the past 72 hours is £102. The best return flight deal from Sofia to London Heathrow Airport found on momondo in the last 72 hours is £132.

The fastest flight from Sofia to London Heathrow Airport takes 3h 15m

Direct flights go from Sofia to London Heathrow Airport on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..

Search flight deals

How far is Sofia to London Heathrow by plane?
The straight-line distance from Sofia to London Heathrow is 1263.5 mi. In terms of flight time, this usually takes a little over 3h 30m.
When did momondo last update prices for flights from Sofia Airport to London Heathrow Airport?
Prices for flights from Sofia Airport to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sofia Airport to London Heathrow Airport?
As of October 2025, there are 3 operators available to choose from for flights from Sofia Airport to London Heathrow Airport.
How old do you have to be to fly from Sofia Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Sofia to London Heathrow Airport?
Based on momondo bookings for flights between Sofia and London Heathrow Airport, the leading plane model is Airbus A320-100/200, making up 21.88% of the total bookings. Other popular models include Airbus A321neo with 18.75%, Airbus A220-300 with 16.88%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 14.38%.
What is the most popular airline from Sofia to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sofia to London Heathrow Airport is Bulgaria Air (40% of total bookings). The next most popular airlines are LOT (40%) and British Airways (21%).

Best airlines flying from Sofia to London Heathrow Airport

Compare and see reviews for airlines that fly from Sofia to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £110	Free Cancellation	Rating 6.7 7,481 reviews	Search British Airways flights
LOT	PriceFrom £126	Free Cancellation	Rating 7.6 1,136 reviews	Search LOT flights
Bulgaria Air	PriceFrom £167	Free Cancellation	Rating 8.0 60 reviews	Search Bulgaria Air flights

British Airways Flights From Sofia to London Heathrow Airport
British Airways flight deals from Sofia to London Heathrow Airport start from £110 round-trip. Over the 1 British Airways flight for this route in a normal week, average airfare is usually £141 round-trip - but some users have found much cheaper deals with momondo.

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Milton Keynes

Luton

Gatwick

Maidstone

Slough

Northampton

Swindon

Canterbury

Stratford-upon-Avon

Southend-on-Sea

Ipswich

Ilford

Poole

Guildford

Swanage

Colchester

Dover

Hayes

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to London?

It is quick and easy to find Sofia to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Sofia to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Sofia with this policy.

How can momondo help me find flights from Sofia to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Sofia.

I’m not ready to book a flight from Sofia to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sofia to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Sofia to London from £47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to London departing on 29/11. 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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British Airways flights from Sofia to London Heathrow Airport

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Aegean Airlines flights from Sofia to London Heathrow Airport

Our best Aegean Airlines deals on Sofia to London Heathrow Airport flight tickets

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

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

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

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

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Sofia to London Heathrow flight route?

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

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

There are 3 cabin classes available to choose from on Sofia to London Heathrow 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 Sofia to London Heathrow Airport flights?

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

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

As of October 2025, prices for Sofia to London Heathrow Airport flights are approximately 109% more expensive when compared to flights at the same time last year.

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

British Airways, Aegean Airlines, and Air Serbia are the most popular carriers operating from Sofia to London Heathrow

Which airlines fly to London Heathrow Airport?

How often are flights from Sofia to London delayed?

Historically, on average around 19% of flights between Sofia and London have experienced a delay on any given week. The average delay length over the past 12 months has been 116 minutes.

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

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

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

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

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

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

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

Warsaw (WAW) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Munich (MUC) offer the lowest average return price of £182.

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

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 5h 25m.

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

Warsaw (WAW) has the shortest average stopover time for this route: 0h 48m.

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

As of October 2025, there are 1 flights per week flying from Sofia to London Heathrow Airport. The most common day of the week flights depart is Mon, with 100% of flights taking off on this day.

When to book flights from Sofia to London Heathrow Airport

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

Find info about flight duration, direct flights, and airports for your flight from Sofia to London Heathrow Airport

Best price found

Fastest flight time

Direct flights

How far is Sofia to London Heathrow by plane?

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

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

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

What documentation or ID do you need to fly to London Heathrow Airport?

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

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

Best airlines flying from Sofia to London Heathrow Airport

Compare and see reviews for airlines that fly from Sofia to London Heathrow Airport with momondo

British Airways Flights From Sofia to London Heathrow Airport

Travelling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to London?

Can I find flights from Sofia to London with flexible booking policies on momondo?

How can momondo help me find flights from Sofia to London?

I’m not ready to book a flight from Sofia to London right now. Can momondo alert me if prices change?

An easier way to manage your London Heathrow Airport trip