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

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

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 13% of their flights experiencing any sort of delay.

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

As of January 2026, 3 flights take off from London Heathrow Airport and land in Bulgaria each week. The most common flight departure day for this route is Wed, with 67% of weekly flights taking off on this day.

How often are flights from London to Bulgaria delayed?

Historically, on average around 17% 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 114 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 35% of people opting to fly with this airline when travelling to Bulgaria. Keep in mind that there are 8 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 8 operators available for flights from London Heathrow Airport to Bulgaria as of January 2026.

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.

£68 Cheap Flights from London Heathrow Airport to Bulgaria in 2026

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Find the cheapest flights from London Heathrow Airport to Bulgaria

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

06:05 - 11:15

LHR

SOF

3h 10mdirect

21:00 - 22:30

SOF

LHR

3h 30mdirect

£108British Airways

Sat, 21 Mar - Wed, 25 Mar

11:10 - 16:20

LHR

SOF

3h 10mdirect

20:10 - 21:30

SOF

LHR

3h 20mdirect

£110British Airways

Mon, 9 Mar - Mon, 30 Mar

07:50 - 13:00

LHR

SOF

3h 10mdirect

21:00 - 22:30

SOF

LHR

3h 30mdirect

£111British Airways

Sun, 1 Mar - Wed, 11 Mar

11:10 - 16:20

LHR

SOF

3h 10mdirect

21:05 - 22:25

SOF

LHR

3h 20mdirect

£111British Airways

Mon, 9 Mar - Sun, 29 Mar

22:15 - 19:30

LHR

SOF

19h 15m

1 stop

16:20 - 21:15

SOF

LHR

6h 55m

1 stop

£119Aegean Airlines

Wed, 11 Mar - Wed, 18 Mar

16:35 - 14:25

LHR

SOF

19h 50m

1 stop

20:20 - 11:10

SOF

LHR

16h 50m

1 stop

£122Aegean Airlines

Fri, 13 Mar - Sun, 15 Mar

06:00 - 15:15

LHR

VAR

7h 15m

1 stop

16:00 - 21:40

VAR

LHR

7h 40m

1 stop

£156Austrian Airlines

Tue, 10 Mar - Tue, 17 Mar

06:00 - 15:15

LHR

VAR

7h 15m

1 stop

16:00 - 21:40

VAR

LHR

7h 40m

1 stop

£157Austrian Airlines

Wed, 4 Mar - Thu, 19 Mar

07:00 - 17:35

LHR

VAR

8h 35m

1 stop

11:20 - 16:20

VAR

LHR

7h 00m

1 stop

£158Multiple Airlines

Thu, 26 Feb - Thu, 5 Mar

08:50 - 17:35

LHR

VAR

6h 45m

1 stop

11:20 - 18:40

VAR

LHR

9h 20m

1 stop

£159Multiple Airlines

Thu, 12 Mar - Thu, 19 Mar

British Airways flights from London Heathrow Airport to Bulgaria

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

British Airways

21 Mar

LHR06:05London Heathrow

3h 10m

SOF11:15Sofia

25 Mar

SOF21:00Sofia

3h 30m

LHR22:30London Heathrow

£108

British Airways

9 Mar

LHR11:10London Heathrow

3h 10m

SOF16:20Sofia

30 Mar

SOF20:10Sofia

3h 20m

LHR21:30London Heathrow

£110

British Airways

1 Mar

LHR07:50London Heathrow

3h 10m

SOF13:00Sofia

11 Mar

SOF21:00Sofia

3h 30m

LHR22:30London Heathrow

£111

Aegean Airlines flights from London Heathrow Airport to Bulgaria

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

Aegean Airlines

11 Mar

LHR22:15London Heathrow

19h 15m

1 stop

SOF19:30Sofia

18 Mar

SOF16:20Sofia

6h 55m

1 stop

LHR21:15London Heathrow

£119

Aegean Airlines

13 Mar

LHR16:35London Heathrow

19h 50m

1 stop

SOF14:25Sofia

15 Mar

SOF20:20Sofia

16h 50m

1 stop

LHR11:10London Heathrow

£122

Aegean Airlines

28 Feb

LHR22:15London Heathrow

19h 15m

1 stop

SOF19:30Sofia

7 Mar

SOF15:15Sofia

8h 00m

1 stop

LHR21:15London Heathrow

£138

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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Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 21/3

06:05-11:15

Nonstop3h 10m

Sofia

Wed 25/3

21:00-22:30

Nonstop3h 30m

£108

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 9/3

11:10-16:20

Nonstop3h 10m

Sofia

Mon 30/3

20:10-21:30

Nonstop3h 20m

£110

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 1/3

07:50-13:00

Nonstop3h 10m

Sofia

Wed 11/3

21:00-22:30

Nonstop3h 30m

£111

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 9/3

11:10-16:20

Nonstop3h 10m

Sofia

Sun 29/3

21:05-22:25

Nonstop3h 20m

£111

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 11/3

22:15-19:30

1 stop19h 15m

Sofia

Wed 18/3

16:20-21:15

1 stop6h 55m

£119

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 13/3

16:35-14:25

1 stop19h 50m

Sofia

Sun 15/3

20:20-11:10

1 stop16h 50m

£122

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Tue 10/3

06:00-15:15

1 stop7h 15m

Varna

Tue 17/3

16:00-21:40

1 stop7h 40m

£156

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Wed 4/3

06:00-15:15

1 stop7h 15m

Varna

Thu 19/3

16:00-21:40

1 stop7h 40m

£157

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Thu 26/2

07:00-17:35

1 stop8h 35m

Varna

Thu 5/3

11:20-16:20

1 stop7h 00m

£158

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Thu 12/3

08:50-17:35

1 stop6h 45m

Varna

Thu 19/3

11:20-18:40

1 stop9h 20m

£159

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Showing 1-10 of 20 resultsSorted by cheapest first

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 £139. If you’re not able to fly to Bulgaria in November, then March is your next best option. Flight prices from London Heathrow Airport to Bulgaria during March average around £149.

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 Tuesday when prices can be found for as low as £198. 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 £167. Flights to Bulgaria are more costly in the afternoon, with an average ticket price of £233. Departure times in the afternoon 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 £199 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 £176 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?

You could potentially save up to 11% on your flight if you consider stops on a London Heathrow Airport to Bulgaria flight.

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	£90
Fastest flight time	3h 00m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Bulgaria	19 airports

The best one-way flight to Bulgaria from London Heathrow Airport in the past 72 hours is £90. The best return flight deal from London Heathrow Airport to Bulgaria found on momondo in the last 72 hours is £134.

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. There are no airlines offering direct flights..

There are 19 airports in Bulgaria. From London Heathrow Airport there are direct flights to 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 8 operators available for flights from London Heathrow Airport to Bulgaria as of January 2026.
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 27.38% of all bookings. The subsequent popular models are Airbus A321neo at 24.48%, Airbus A220-300 at 19.65%, and Boeing 737 MAX 8 at 14.17%.

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 £42	Free Cancellation	Rating 6.8 1,080 reviews	Search Wizz Air flights
Ryanair	PriceFrom £76	Free Cancellation	Rating 6.9 5,254 reviews	Search Ryanair flights
British Airways	PriceFrom £94	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights
Lufthansa	PriceFrom £153	Free Cancellation	Rating 6.8 7,749 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom £157	Free Cancellation	Rating 7.5 895 reviews	Search Austrian Airlines flights
Bulgaria Air	PriceFrom £161	Free Cancellation	Rating 8.3 59 reviews	Search Bulgaria Air flights
LOT	PriceFrom £171	Free Cancellation	Rating 7.5 1,176 reviews	Search LOT flights
Eurowings	PriceFrom £291	Free Cancellation	Rating 6.6 285 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 £36

Flights to Burgasfrom £67

Flights to Varnafrom £44

Flights to Plovdivfrom £39

Cheap flights from London Heathrow Airport to Bulgaria from £68

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Find the cheapest flights from London Heathrow Airport to Bulgaria

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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

Aegean Airlines flights from London Heathrow Airport to Bulgaria

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

momondo Fare Finder

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

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?

You could potentially save up to 11% on your flight if you consider stops on a London Heathrow Airport to Bulgaria flight.

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

British Airways, Air Serbia, and Aegean Airlines 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 17% 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 114 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 13% of their flights experiencing any sort of delay.

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

As of January 2026, 3 flights take off from London Heathrow Airport and land in Bulgaria each week. The most common flight departure day for this route is Wed, with 67% 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