How often are flights from Sofia to London delayed?

Historically, on average around 18% 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 108 minutes.

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

According to our data, Bulgaria Air have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

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

Flights via Munich (MUC) offer the lowest average return price of £186.

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 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.

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

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

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

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

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.

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 November 2025, there are 2 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.

£37 Cheap Flights from Sofia to London Heathrow Airport in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from £160 to £247. The lowest price recently found on this route was £127.

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16:05 - 12:20SOF-LHR

22h 15m1 stop

13:20 - 03:05LHR-SOF

11h 45m1 stop

£127Air Serbia

Find Deal

Fri, 6 Feb - Wed, 4 Mar

16:05 - 12:35SOF-LHR

22h 30m1 stop

19:25 - 15:35LHR-SOF

18h 10m1 stop

£129Air Serbia

Find Deal

Fri, 1 May - Sun, 3 May

15:15 - 21:15SOF-LHR

8h 00m1 stop

22:15 - 10:25LHR-SOF

10h 10m1 stop

£142Aegean Airlines

Find Deal

Sat, 31 Jan - Sun, 1 Feb

15:15 - 21:15SOF-LHR

8h 00m1 stop

13:20 - 03:05LHR-SOF

11h 45m1 stop

£145Multiple Airlines

Find Deal

Sat, 7 Mar - Wed, 11 Mar

18:35 - 17:20SOF-LHR

24h 45m1 stop

10:35 - 13:50LHR-SOF

25h 15m1 stop

£146LOT

Find Deal

Fri, 12 Dec - Sun, 4 Jan

05:00 - 12:20SOF-LHR

9h 20m1 stop

13:20 - 03:05LHR-SOF

11h 45m1 stop

£147Air Serbia

Find Deal

Sat, 7 Mar - Sun, 15 Mar

16:00 - 12:20SOF-LHR

22h 20m1 stop

13:20 - 15:30LHR-SOF

24h 10m1 stop

£148Air Serbia

Find Deal

Thu, 25 Dec - Sun, 25 Jan

05:00 - 12:20SOF-LHR

9h 20m1 stop

13:20 - 03:05LHR-SOF

11h 45m1 stop

£148Air Serbia

Find Deal

Mon, 22 Dec - Wed, 31 Dec

18:35 - 22:00SOF-LHR

5h 25m1 stop

18:20 - 13:50LHR-SOF

17h 30m1 stop

£149LOT

Find Deal

Sat, 20 Dec - Sun, 18 Jan

18:35 - 09:35SOF-LHR

17h 00m1 stop

06:30 - 13:50LHR-SOF

5h 20m1 stop

£150LOT

Find Deal

Mon, 22 Dec - Wed, 31 Dec

Aegean Airlines flights from Sofia to London Heathrow Airport

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

Aegean Airlines

31 Jan

SOF15:15Sofia

8h 00m

1 stop

LHR21:15London Heathrow

1 Feb

LHR22:15London Heathrow

10h 10m

1 stop

SOF10:25Sofia

£142

Find similar

Aegean Airlines

30 Nov

SOF20:20Sofia

26h 55m

1 stop

LHR21:15London Heathrow

2 Dec

LHR22:15London Heathrow

15h 15m

1 stop

SOF15:30Sofia

£186

Find similar

LOT flights from Sofia to London Heathrow Airport

Our best LOT deals on Sofia to London Heathrow Airport flight tickets

LOT

12 Dec

SOF18:35Sofia

24h 45m

1 stop

LHR17:20London Heathrow

4 Jan

LHR10:35London Heathrow

25h 15m

1 stop

SOF13:50Sofia

£146

Find similar

LOT

20 Dec

SOF18:35Sofia

5h 25m

1 stop

LHR22:00London Heathrow

18 Jan

LHR18:20London Heathrow

17h 30m

1 stop

SOF13:50Sofia

£149

Find similar

LOT

22 Dec

SOF18:35Sofia

17h 00m

1 stop

LHR09:35London Heathrow

31 Dec

LHR06:30London Heathrow

5h 20m

1 stop

SOF13:50Sofia

£150

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.

Fly from

Fly to

Route

Depart

Return

Price

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 6/2

16:05-12:20

1 stop22h 15m

London Heathrow

Wed 4/3

13:20-03:05

1 stop11h 45m

£127

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 1/5

16:05-12:35

1 stop22h 30m

London Heathrow

Sun 3/5

19:25-15:35

1 stop18h 10m

£129

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 31/1

15:15-21:15

1 stop8h 00m

London Heathrow

Sun 1/2

22:15-10:25

1 stop10h 10m

£142

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 7/3

15:15-21:15

1 stop8h 00m

London Heathrow

Wed 11/3

13:20-03:05

1 stop11h 45m

£145

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 12/12

18:35-17:20

1 stop24h 45m

London Heathrow

Sun 4/1

10:35-13:50

1 stop25h 15m

£146

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 7/3

05:00-12:20

1 stop9h 20m

London Heathrow

Sun 15/3

13:20-03:05

1 stop11h 45m

£147

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 25/12

16:00-12:20

1 stop22h 20m

London Heathrow

Sun 25/1

13:20-15:30

1 stop24h 10m

£148

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 22/12

05:00-12:20

1 stop9h 20m

London Heathrow

Wed 31/12

13:20-03:05

1 stop11h 45m

£148

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 20/12

18:35-22:00

1 stop5h 25m

London Heathrow

Sun 18/1

18:20-13:50

1 stop17h 30m

£149

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 22/12

18:35-09:35

1 stop17h 00m

London Heathrow

Wed 31/12

06:30-13:50

1 stop5h 20m

£150

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, February 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 £155. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Sofia averaging around £170.

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 £72. 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 £205.

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 £135. 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 £208 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 November 2025, prices for Sofia to London Heathrow Airport flights are approximately 126% 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	£96
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 £96. The best return flight deal from Sofia to London Heathrow Airport found on momondo in the last 72 hours is £135.

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. Airline offering direct flights is British Airways..

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 November 2025, there are 2 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 21.52% of the total bookings. Other popular models include Airbus A321neo with 18.99%, Airbus A220-300 with 17.09%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 14.56%.
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 LOT (51% of total bookings). The next most popular airline is Bulgaria Air (49%).

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
LOT	PriceFrom £128	Free Cancellation	Rating 7.5 1,137 reviews		Search LOT flights
Bulgaria Air	PriceFrom £156	Free Cancellation	Rating 8.0 60 reviews		Search Bulgaria Air flights

Bulgaria Air Flights From Sofia to London Heathrow Airport
Bulgaria Air flight deals from Sofia to London Heathrow Airport start from £156 round-trip. Over the 1 Bulgaria Air flight for this route in a normal week, average airfare is usually £205 round-trip - but some users have found much cheaper deals with momondo.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Northampton

Swindon

Canterbury

Stratford-upon-Avon

Southend-on-Sea

Ipswich

Ilford

Poole

Guildford

Swanage

Dover

Colchester

Chelmsford

Hayes

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.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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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 23/3. 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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Big names, great deals

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Find the cheapest flights from Sofia to London

Cheap return flights

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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

LOT flights from Sofia to London Heathrow Airport

Our best LOT deals on Sofia to London Heathrow Airport flight tickets

momondo Fare Finder

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

See travel insights to London from

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 November 2025, prices for Sofia to London Heathrow Airport flights are approximately 126% 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

How often are flights from Sofia to London delayed?

Historically, on average around 18% 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 108 minutes.

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

Generally, flights departing in the morning 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, Bulgaria Air have had the fewest delays on this route over the last 12 months, with about 17% 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 £186.

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.

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

Bulgaria Air 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.