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

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

Which airlines fly to Bulgaria?

Bulgaria Air, British Airways and Lufthansa 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 31% 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.

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

The number of flights available between London Heathrow Airport and Bulgaria is 1 per day as of August 2025. The most frequent departure time is 08:00, with 55% of daily flights leaving in the afternoon.

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

As of August 2025, 11 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 27% of weekly flights taking off on this day.

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 August 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.

£64 Cheap Flights from London Heathrow Airport to Bulgaria in 2025

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Find the cheapest flights from London Heathrow Airport to Bulgaria

Round-trip

One-way

Last minute

Direct

Cheap return flights

06:05 - 11:15LHR-SOF

3h 10mdirect

12:05 - 13:50SOF-LHR

3h 45mdirect

£103British Airways

Find Deal

Sat, 22 Nov - Sat, 6 Dec

07:50 - 13:00LHR-SOF

3h 10mdirect

14:30 - 16:00SOF-LHR

3h 30mdirect

£103British Airways

Find Deal

Sun, 23 Nov - Sun, 30 Nov

18:10 - 13:50LHR-SOF

17h 40m1 stop

05:20 - 09:20SOF-LHR

6h 00m1 stop

£142LOT

Find Deal

Wed, 8 Oct - Wed, 15 Oct

19:25 - 02:55LHR-SOF

5h 30m1 stop

16:05 - 19:05SOF-LHR

5h 00m1 stop

£146Air Serbia

Find Deal

Sun, 5 Oct - Sat, 11 Oct

13:45 - 23:00LHR-SOF

7h 15m1 stop

19:25 - 22:40SOF-LHR

5h 15m1 stop

£156Lufthansa

Find Deal

Mon, 15 Sep - Wed, 17 Sep

19:55 - 15:35LHR-SOF

17h 40m1 stop

16:05 - 12:30SOF-LHR

22h 25m1 stop

£157Air Serbia

Find Deal

Sat, 4 Oct - Thu, 9 Oct

07:40 - 18:20LHR-SOF

8h 40m1 stop

14:00 - 17:05SOF-LHR

5h 05m1 stop

£159Lufthansa

Find Deal

Wed, 4 Feb - Sat, 7 Feb

06:30 - 13:50LHR-SOF

5h 20m1 stop

05:20 - 17:20SOF-LHR

14h 00m1 stop

£160LOT

Find Deal

Sat, 18 Oct - Sat, 25 Oct

06:00 - 15:15LHR-VAR

7h 15m1 stop

16:00 - 21:40VAR-LHR

7h 40m1 stop

£162Austrian Airlines

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Thu, 20 Nov - Tue, 25 Nov

06:00 - 17:35LHR-VAR

9h 35m1 stop

21:35 - 09:00VAR-LHR

13h 25m1 stop

£163Austrian Airlines

Find Deal

Sat, 27 Sep - Fri, 3 Oct

LOT flights from London Heathrow Airport to Bulgaria

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

LOT

8 Oct

LHR18:10London Heathrow

17h 40m

1 stop

SOF13:50Sofia

15 Oct

SOF05:20Sofia

6h 00m

1 stop

LHR09:20London Heathrow

£142

Find similar

LOT

18 Oct

LHR06:30London Heathrow

5h 20m

1 stop

SOF13:50Sofia

25 Oct

SOF05:20Sofia

14h 00m

1 stop

LHR17:20London Heathrow

£160

Find similar

LOT

22 Sept

LHR06:30London Heathrow

9h 25m

1 stop

SOF17:55Sofia

27 Sept

SOF18:40Sofia

16h 40m

1 stop

LHR09:20London Heathrow

£161

Find similar

Lufthansa flights from London Heathrow Airport to Bulgaria

Our best Lufthansa deals on London Heathrow Airport to Bulgaria flight tickets

Lufthansa

15 Sept

LHR13:45London Heathrow

7h 15m

1 stop

SOF23:00Sofia

17 Sept

SOF19:25Sofia

5h 15m

1 stop

LHR22:40London Heathrow

£156

Find similar

Lufthansa

6 Sept

LHR06:55London Heathrow

14h 05m

1 stop

SOF23:00Sofia

13 Sept

SOF06:15Sofia

13h 25m

1 stop

LHR17:40London Heathrow

£157

Find similar

Lufthansa

4 Feb

LHR07:40London Heathrow

8h 40m

1 stop

SOF18:20Sofia

7 Feb

SOF14:00Sofia

5h 05m

1 stop

LHR17:05London Heathrow

£159

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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.

Fly from

Fly to

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 22/11

06:05-11:15

Nonstop3h 10m

Sofia

Sat 6/12

12:05-13:50

Nonstop3h 45m

£103

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 23/11

07:50-13:00

Nonstop3h 10m

Sofia

Sun 30/11

14:30-16:00

Nonstop3h 30m

£103

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 8/10

18:10-13:50

1 stop17h 40m

Sofia

Wed 15/10

05:20-09:20

1 stop6h 00m

£142

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 5/10

19:25-02:55

1 stop5h 30m

Sofia

Sat 11/10

16:05-19:05

1 stop5h 00m

£146

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 15/9

13:45-23:00

1 stop7h 15m

Sofia

Wed 17/9

19:25-22:40

1 stop5h 15m

£156

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 4/10

19:55-15:35

1 stop17h 40m

Sofia

Thu 9/10

16:05-12:30

1 stop22h 25m

£157

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 4/2

07:40-18:20

1 stop8h 40m

Sofia

Sat 7/2

14:00-17:05

1 stop5h 05m

£159

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 18/10

06:30-13:50

1 stop5h 20m

Sofia

Sat 25/10

05:20-17:20

1 stop14h 00m

£160

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Thu 20/11

06:00-15:15

1 stop7h 15m

Varna

Tue 25/11

16:00-21:40

1 stop7h 40m

£162

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Sat 27/9

06:00-17:35

1 stop9h 35m

Varna

Fri 3/10

21:35-09:00

1 stop13h 25m

£163

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 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

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 £144.

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 £201. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday 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 £228.

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 £179. Flights to Bulgaria are more costly in the afternoon, with an average ticket price of £227. 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 £198 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 £160 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	£131
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 £131. The best return flight deal from London Heathrow Airport to Bulgaria found on momondo in the last 72 hours is £190.

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 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 August 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 A321neo, representing 23.20% of all bookings. The subsequent popular models are Airbus A220-300 at 22.94%, Airbus A320-100/200 at 20.71%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 14.29%.

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 £36	Free Cancellation	Rating 6.8 1,058 reviews	Search Wizz Air flights
Ryanair	PriceFrom £43	Free Cancellation	Rating 6.8 5,152 reviews	Search Ryanair flights
Air Serbia	PriceFrom £53	Free Cancellation	Rating 6.2 198 reviews	Search Air Serbia flights
British Airways	PriceFrom £97	Free Cancellation	Rating 6.7 7,305 reviews	Search British Airways flights
LOT	PriceFrom £137	Free Cancellation	Rating 7.6 1,110 reviews	Search LOT flights
Lufthansa	PriceFrom £139	Free Cancellation	Rating 6.8 7,359 reviews	Search Lufthansa flights
Bulgaria Air	PriceFrom £153	Free Cancellation	Rating 8.1 60 reviews	Search Bulgaria Air flights
Austrian Airlines	PriceFrom £156	Free Cancellation	Rating 7.6 835 reviews	Search Austrian Airlines flights
Eurowings	PriceFrom £297	Free Cancellation	Rating 6.7 277 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 £25

Flights to Burgasfrom £36

Flights to Varnafrom £47

Flights to Plovdivfrom £41

Cheap flights from London Heathrow Airport to Bulgaria from £64

Big names, great deals

Big names, great deals

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Filter for what you want

Trusted and free

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Find the cheapest flights from London Heathrow Airport to Bulgaria

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

LOT flights from London Heathrow Airport to Bulgaria

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

Lufthansa flights from London Heathrow Airport to Bulgaria

Our best Lufthansa 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

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

Which airlines fly to Bulgaria?

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

The number of flights available between London Heathrow Airport and Bulgaria is 1 per day as of August 2025. The most frequent departure time is 08:00, with 55% of daily flights leaving in the afternoon.

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

As of August 2025, 11 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 27% 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