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.

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

As of December 2025, 1 flights take off from London Heathrow Airport and land in Bulgaria each week. The most common flight departure day for this route is Mon, with 100% of weekly flights taking off on this day.

Which airline has the best punctuality record on London to Bulgaria 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.

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

British Airways and Lufthansa are the most popular carriers operating from London Heathrow to Bulgaria

How often are flights from London to Bulgaria delayed?

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

Which airlines fly to Bulgaria?

Bulgaria Air, Lufthansa and British Airways are the top three most popular airlines that fly to Bulgaria from London Heathrow Airport according to our data. Bulgaria Air is the first choice among our users, with 33% of people opting to fly with this airline when travelling to Bulgaria. Keep in mind that there are 9 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for London to Bulgaria 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.

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

There are 9 operators available for flights from London Heathrow Airport to Bulgaria as of December 2025.

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

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 London Heathrow Airport to Bulgaria.

What documentation or ID do you need to fly to Bulgaria?

The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£59 Cheap Flights from London Heathrow Airport to Bulgaria in 2025/26

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Enter your travel dates to find the best prices.

11:10 - 16:20

LHR

SOF

3h 10mdirect

17:25 - 18:55

SOF

LHR

3h 30mdirect

£110British Airways

Mon, 9 Mar - Mon, 23 Mar

06:05 - 11:15

LHR

SOF

3h 10mdirect

21:10 - 22:25

SOF

LHR

3h 15mdirect

£115British Airways

Sat, 21 Mar - Sun, 29 Mar

11:10 - 16:20

LHR

SOF

3h 10mdirect

21:00 - 22:30

SOF

LHR

3h 30mdirect

£125British Airways

Mon, 19 Jan - Wed, 21 Jan

11:10 - 16:20

LHR

SOF

3h 10mdirect

17:25 - 18:55

SOF

LHR

3h 30mdirect

£126British Airways

Mon, 19 Jan - Mon, 26 Jan

22:15 - 19:30

LHR

SOF

19h 15m1 stop

21:00 - 22:30

SOF

LHR

3h 30mdirect

£131Multiple Airlines

Wed, 7 Jan - Wed, 21 Jan

09:55 - 22:10

LHR

SOF

10h 15m1 stop

05:00 - 12:20

SOF

LHR

9h 20m1 stop

£134Multiple Airlines

Tue, 20 Jan - Thu, 29 Jan

06:00 - 15:15

LHR

VAR

7h 15m1 stop

16:00 - 21:40

VAR

LHR

7h 40m1 stop

£158Austrian Airlines

Thu, 29 Jan - Sun, 1 Feb

06:00 - 15:15

LHR

VAR

7h 15m1 stop

16:00 - 21:40

VAR

LHR

7h 40m1 stop

£159Austrian Airlines

Thu, 22 Jan - Thu, 29 Jan

12:00 - 22:35

LHR

BOJ

8h 35m1 stop

23:20 - 09:05

BOJ

LHR

11h 45m1 stop

£461Aer Lingus

Tue, 19 May - Thu, 28 May

12:00 - 22:35

LHR

BOJ

8h 35m1 stop

23:20 - 09:05

BOJ

LHR

11h 45m1 stop

£461Aer Lingus

Tue, 19 May - Thu, 28 May

British Airways flights from London Heathrow Airport to Bulgaria

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

British Airways

9 Mar

LHR11:10London Heathrow

3h 10m

SOF16:20Sofia

23 Mar

SOF17:25Sofia

3h 30m

LHR18:55London Heathrow

£110

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British Airways

21 Mar

LHR06:05London Heathrow

3h 10m

SOF11:15Sofia

29 Mar

SOF21:10Sofia

3h 15m

LHR22:25London Heathrow

£115

Find similar

British Airways

19 Jan

LHR11:10London Heathrow

3h 10m

SOF16:20Sofia

21 Jan

SOF21:00Sofia

3h 30m

LHR22:30London Heathrow

£125

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Air Serbia flights from London Heathrow Airport to Bulgaria

Our best Air Serbia deals on London Heathrow Airport to Bulgaria flight tickets

Air Serbia

29 Mar

LHR19:25London Heathrow

5h 30m

1 stop

SOF02:55Sofia

11 Apr

SOF16:05Sofia

22h 30m

1 stop

LHR12:35London Heathrow

£140

Find similar

Air Serbia

21 Jan

LHR13:20London Heathrow

11h 45m

1 stop

SOF03:05Sofia

26 Jan

SOF16:00Sofia

22h 20m

1 stop

LHR12:20London Heathrow

£156

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momondo Fare Finder

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

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Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 9/3

11:10-16:20

Nonstop3h 10m

Sofia

Mon 23/3

17:25-18:55

Nonstop3h 30m

£110

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 21/3

06:05-11:15

Nonstop3h 10m

Sofia

Sun 29/3

21:10-22:25

Nonstop3h 15m

£115

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 19/1

11:10-16:20

Nonstop3h 10m

Sofia

Wed 21/1

21:00-22:30

Nonstop3h 30m

£125

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 19/1

11:10-16:20

Nonstop3h 10m

Sofia

Mon 26/1

17:25-18:55

Nonstop3h 30m

£126

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 7/1

22:15-19:30

1 stop19h 15m

Sofia

Wed 21/1

21:00-22:30

Nonstop3h 30m

£131

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 20/1

09:55-22:10

1 stop10h 15m

Sofia

Thu 29/1

05:00-12:20

1 stop9h 20m

£134

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Thu 29/1

06:00-15:15

1 stop7h 15m

Varna

Sun 1/2

16:00-21:40

1 stop7h 40m

£158

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Thu 22/1

06:00-15:15

1 stop7h 15m

Varna

Thu 29/1

16:00-21:40

1 stop7h 40m

£159

LondonBurgas

LHR - BOJ

LHRBOJ

London Heathrow

Tue 19/5

12:00-22:35

1 stop8h 35m

Bourgas

Thu 28/5

23:20-09:05

1 stop11h 45m

£461

LondonBurgas

LHR - BOJ

LHRBOJ

London Heathrow

Tue 19/5

12:00-22:35

1 stop8h 35m

Bourgas

Thu 28/5

23:20-09:05

1 stop11h 45m

£461

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

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

Other information

What is the cheapest month to fly to Bulgaria?

The month of November is, on average, the cheapest month to fly to Bulgaria from London Heathrow Airport, with most prices found around £143. If you’re not able to fly to Bulgaria in November, then January is your next best option. Flight prices from London Heathrow Airport to Bulgaria during January average around £147.

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

The cheapest day to depart on your flight to Bulgaria is on a Thursday when prices can be found for as low as £168. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £238.

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

Our most recent data shows that the best time of day to fly to Bulgaria is at midday. Flights from London Heathrow Airport to Bulgaria during this time can be as low as £191. Flights to Bulgaria are more costly in the evening, with an average ticket price of £313. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Heathrow to Bulgaria flight route?

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

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

You are more likely to see cheaper flights to Bulgaria from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around £203 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from London Heathrow Airport for as low as £181 on momondo.

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

There are 2 cabin classes available to choose from on London Heathrow to Bulgaria 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 Bulgaria flights?

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

Cheap London Heathrow Airport to Bulgaria flight deals and tips

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

Best price found	£76
Fastest flight time	3h 00m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Bulgaria	1 airport

The best one-way flight to Bulgaria from London Heathrow Airport in the past 72 hours is £76. The best return flight deal from London Heathrow Airport to Bulgaria found on momondo in the last 72 hours is £142.

The fastest flight from London Heathrow Airport to Bulgaria takes 3h 00m

Direct flights go from London Heathrow Airport to Bulgaria on Monday, Tuesday, Thursday, Saturday and Sunday. Airline offering direct flights is Bulgaria Air..

There is 1 airport near Bulgaria: Sofia (SOF)

Search flight deals

When did momondo last update prices for flights from London Heathrow Airport to Bulgaria?
Prices for flights from London Heathrow Airport to Bulgaria refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Bulgaria?
There are 9 operators available for flights from London Heathrow Airport to Bulgaria as of December 2025.
How old do you have to be to fly from London Heathrow Airport to Bulgaria?
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 London Heathrow Airport to Bulgaria.
What documentation or ID do you need to fly to Bulgaria?
The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Bulgaria?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Bulgaria is Airbus A320-100/200, representing 25.62% of all bookings. The subsequent popular models are Airbus A321neo at 21.64%, Airbus A220-300 at 20.77%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 13.56%.

Best airlines flying from London Heathrow Airport to Bulgaria

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

Airline	Rating	Free Cancellation	Price
Wizz Air	PriceFrom £37	Free Cancellation	Rating 6.8 1,067 reviews	Search Wizz Air flights
Air Serbia	PriceFrom £54	Free Cancellation	Rating 6.2 210 reviews	Search Air Serbia flights
Ryanair	PriceFrom £59	Free Cancellation	Rating 6.8 5,214 reviews	Search Ryanair flights
British Airways	PriceFrom £100	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
LOT	PriceFrom £143	Free Cancellation	Rating 7.5 1,143 reviews	Search LOT flights
Lufthansa	PriceFrom £144	Free Cancellation	Rating 6.8 7,618 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom £158	Free Cancellation	Rating 7.6 879 reviews	Search Austrian Airlines flights
Bulgaria Air	PriceFrom £166	Free Cancellation	Rating 8.1 59 reviews	Search Bulgaria Air flights
Eurowings	PriceFrom £302	Free Cancellation	Rating 6.6 282 reviews	Search Eurowings flights

Why use momondo?

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

Finding the right flight to Bulgaria from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

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

All flight searches from London to Bulgaria on momondo can be filtered to show those which offer flexible booking policies.

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

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 Bulgaria from London.

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

If you are simply researching potential flights to Bulgaria, momondo offers a useful price alert feature which will track prices for flights to Bulgaria from London and alert you when they change.

An easier way to manage your Bulgaria 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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Find better results for your trip to Bulgaria

Popular Cities in Bulgaria

Flights to Sofiafrom £41

Flights to Burgasfrom £138

Flights to Varnafrom £43

Flights to Plovdivfrom £41

Cheap flights from London Heathrow Airport to Bulgaria from £59

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British Airways flights from London Heathrow Airport to Bulgaria

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

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Our best Air Serbia deals on London Heathrow Airport to Bulgaria flight tickets

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

See travel insights to Bulgaria from

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

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 cheapest month to fly to Bulgaria?

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

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

What is the cheapest London Heathrow to Bulgaria flight route?

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

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

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

There are 2 cabin classes available to choose from on London Heathrow to Bulgaria 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 Bulgaria flights?

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

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

British Airways and Lufthansa are the most popular carriers operating from London Heathrow to Bulgaria

Which airlines fly to Bulgaria?

How often are flights from London to Bulgaria delayed?

Historically, on average around 18% of flights between London and Bulgaria 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 Bulgaria 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 Bulgaria 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.

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

As of December 2025, 1 flights take off from London Heathrow Airport and land in Bulgaria each week. The most common flight departure day for this route is Mon, with 100% of weekly flights taking off on this day.

Cheap London Heathrow Airport to Bulgaria flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Bulgaria

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

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

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

What documentation or ID do you need to fly to Bulgaria?

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

Best airlines flying from London Heathrow Airport to Bulgaria

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

Why use momondo?

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

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

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

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

An easier way to manage your Bulgaria 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.

Find better results for your trip to Bulgaria

Popular Cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo