How long is the flight from Bulgaria to London Heathrow Airport?

Airlines like Air Serbia, Austrian Airlines, and SWISS fly from Bulgaria to London Heathrow Airport in about 5h 05m. The time it takes to get you to your destination can typically vary by up to 22h 05m. There are 1267 mi between Bulgaria and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from Bulgaria to London Heathrow Airport one-way?

The cheapet airlines for a one-way flight from Bulgaria to London Heathrow Airport are British Airways (£50), Air Serbia (£51), and Bulgaria Air (£70).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Bulgaria to London Heathrow Airport?

The most popular flight routes from Bulgaria to London Heathrow Airport are Sofia - London Heathrow, Bourgas - London Heathrow and Varna - London Heathrow.

What are the cheapest flights from Bulgaria to London Heathrow Airport?

Looking for the cheapest flight from Bulgaria to London Heathrow Airport? While on average our users pay £219, our data indicates the cheapest price to be £71. The most popular route (Sofia - London Heathrow), is priced around £134.

What are the most popular airlines that fly from Bulgaria to London Heathrow Airport?

When booking a flight from Bulgaria to London Heathrow Airport, you may want to consider flying on Bulgaria Air, British Airways or LOT as they are the most popular for this route.

Can I find deals for flights from Bulgaria to Heathrow that include hotel bookings?

Yes. In addition to deals on Bulgaria to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Bulgaria to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bulgaria to Heathrow.

Can I find deals for business class flights from Bulgaria to Heathrow?

Yes. Cheapflights offers flight deals from Bulgaria to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£55+ Cheap Flights from Bulgaria to London Heathrow Airport

Cheap flight deals from Bulgaria to Heathrow

Enter your travel dates to find the best prices.

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Best

Direct

Last-minute

One-way

Cheapest flights from Bulgaria to Heathrow
Explore the most affordable flight options available from Bulgaria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Thu 5/1116:00 -

1 stop22h 20m

Wed 11/1113:20 -

1 stop11h 40m

Deal found 16/8£134

Sat 14/1116:00 -

1 stop22h 20m

Mon 16/1113:20 -

1 stop24h 10m

Deal found 15/8£134

Mon 23/1117:15 -

Nonstop3h 30m

Fri 27/1114:05 -

Nonstop3h 15m

Deal found 16/8£137

Sat 17/1018:45 -

1 stop5h 15m

Mon 19/1006:30 -

1 stop5h 20m

Deal found 15/8£142

Sat 10/1018:45 -

1 stop16h 35m

Mon 19/1006:30 -

1 stop5h 20m

Deal found 17/8£143

Wed 23/1221:05 -

Nonstop3h 25m

Sun 3/113:25 -

Nonstop3h 10m

Deal found 15/8£145

Mon 5/1018:45 -

1 stop16h 35m

Tue 13/1018:10 -

1 stop21h 50m

Deal found 14/8£147

Mon 23/1118:40 -

1 stop16h 55m

Fri 27/1110:35 -

1 stop25h 15m

Deal found 16/8£148

Sat 17/1018:45 -

1 stop5h 15m

Sun 18/1006:30 -

1 stop9h 30m

Deal found 17/8£148

Wed 30/921:40 -

1 stop13h 30m

Wed 7/1020:50 -

1 stop10h 55m

Deal found 16/8£149

Wed 21/1014:35 -

1 stop28h 35m

Tue 3/1110:35 -

1 stop25h 15m

Deal found 13/8£150

Sat 3/1018:45 -

1 stop5h 15m

Mon 12/1006:30 -

1 stop5h 20m

Deal found 15/8£151

Best flights from Bulgaria to Heathrow
Discover carefully curated flight deals from Bulgaria to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Sat 19/916:00 -

1 stop5h 05m

Sun 20/919:25 -

1 stop5h 35m

Deal found 15/8£163

Fri 9/1009:45 -

1 stop13h 00m

Sun 18/1006:00 -

1 stop7h 15m

Deal found 18/8£181

Mon 28/918:55 -

1 stop15h 25m

Sun 4/1006:00 -

1 stop10h 10m

Deal found 17/8£183

Mon 23/1115:00 -

1 stop6h 15m

Fri 27/1117:10 -

2 stops18h 05m

Deal found 16/8£193

Fri 9/1009:45 -

1 stop11h 55m

Thu 15/1006:55 -

2 stops10h 50m

Deal found 17/8£202

Sun 27/921:05 -

Nonstop3h 20m

Sun 4/1014:55 -

Nonstop3h 15m

Deal found 13/8£204

Thu 8/1005:00 -

1 stop9h 30m

Wed 14/1013:30 -

1 stop24h 00m

Deal found 18/8£165

Fri 9/1009:45 -

1 stop14h 55m

Thu 15/1006:00 -

1 stop11h 45m

Deal found 17/8£182

Mon 12/1004:15 -

1 stop10h 15m

Sun 18/1013:30 -

1 stop11h 55m

Deal found 14/8£170

Mon 19/1015:40 -

1 stop5h 40m

Wed 28/1020:05 -

2 stops15h 10m

Deal found 17/8£193

Thu 12/1116:00 -

1 stop7h 40m

Mon 16/1120:05 -

2 stops15h 10m

Deal found 17/8£193

Fri 18/1205:00 -

1 stop9h 20m

Fri 1/113:20 -

1 stop24h 10m

Deal found 18/8£182

Fri 9/1009:45 -

1 stop14h 55m

Sun 18/1007:25 -

2 stops29h 50m

Deal found 18/8£220

Thu 8/1020:30 -

1 stop13h 50m

Wed 14/1020:25 -

2 stops16h 50m

Deal found 14/8£212

Tue 8/913:05 -

1 stop6h 45m

Sat 12/920:05 -

2 stops14h 05m

Deal found 17/8£198

Fri 9/1004:15 -

1 stop10h 15m

Sun 18/1013:30 -

1 stop11h 55m

Deal found 13/8£187

Sat 19/911:20 -

1 stop23h 00m

Sat 26/919:30 -

1 stop14h 50m

Deal found 15/8£253

Thu 15/1016:00 -

2 stops18h 15m

Sun 8/1106:00 -

1 stop7h 15m

Deal found 16/8£215

Wed 30/911:05 -

2 stops12h 25m

Wed 7/1020:05 -

1 stop12h 15m

Deal found 16/8£200

Tue 22/913:05 -

1 stop10h 35m

Thu 24/906:00 -

1 stop7h 15m

Deal found 17/8£257

Sat 3/1013:45 -

1 stop6h 05m

Mon 12/1020:05 -

2 stops14h 05m

Deal found 15/8£205

Tue 15/920:10 -

1 stop13h 30m

Tue 22/907:30 -

1 stop9h 55m

Deal found 16/8£284

Sun 20/905:00 -

1 stop11h 15m

Mon 28/919:25 -

1 stop14h 10m

Deal found 15/8£235

Fri 9/1004:15 -

1 stop10h 15m

Thu 15/1013:30 -

1 stop11h 55m

Deal found 17/8£223

Fri 4/915:50 -

2 stops7h 40m

Mon 7/920:05 -

1 stop14h 10m

Deal found 15/8£216

Fri 9/1020:15 -

2 stops25h 50m

Thu 15/1006:30 -

1 stop7h 25m

Deal found 17/8£251

Tue 15/920:10 -

1 stop13h 30m

Wed 23/919:30 -

1 stop17h 45m

Deal found 17/8£262

Sat 19/911:20 -

1 stop23h 00m

Sat 26/920:25 -

1 stop10h 40m

Deal found 14/8£263

Fri 9/1020:15 -

1 stop15h 25m

Sat 17/1010:20 -

1 stop8h 25m

Deal found 14/8£296

Wed 23/912:35 -

1 stop6h 30m

Wed 23/919:30 -

1 stop17h 45m

Deal found 17/8£305

Find flight deals from Bulgaria to Heathrow

Round-trip from	£134
One-way from	£55
Popular in	August
Cheapest in	November
Average price	£189
Good round-trip deal	£263 or less
Good one-way deal	£106 or less

Air Serbia
5/11-11/11
2 total stops
34h 00m total
Bulgaria to London

Search Deals

Air Serbia
16/11
1 total stop
9h 20m total
Bulgaria to London

Search Deals

Highest demand for flights based on searches. 36% potential increase in price (£42 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Price to beat on a round-trip flight from Bulgaria to London Heathrow.

Search Deals

Price to beat on a one-way flight from Bulgaria to London Heathrow.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Sat 19/9

16:00-19:05

1 stop5h 05m

London Heathrow

Sun 20/9

19:25-03:00

1 stop5h 35m

£163

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Thu 8/10

05:00-12:30

1 stop9h 30m

London Heathrow

Wed 14/10

13:30-15:30

1 stop24h 00m

£165

VarnaLondon

VAR Varna - LHR London Heathrow

VARLHR

Varna

Mon 12/10

04:15-12:30

1 stop10h 15m

London Heathrow

Sun 18/10

13:30-03:25

1 stop11h 55m

£170

VarnaLondon

VAR Varna - LHR London Heathrow

VARLHR

Varna

Fri 9/10

09:45-20:45

1 stop13h 00m

London Heathrow

Sun 18/10

06:00-15:15

1 stop7h 15m

£181

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Fri 18/12

05:00-12:20

1 stop9h 20m

London Heathrow

Fri 1/1

13:20-15:30

1 stop24h 10m

£182

VarnaLondon

VAR Varna - LHR London Heathrow

VARLHR

Varna

Fri 9/10

09:45-22:40

1 stop14h 55m

London Heathrow

Thu 15/10

06:00-19:45

1 stop11h 45m

£182

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Mon 28/9

18:55-08:20

1 stop15h 25m

London Heathrow

Sun 4/10

06:00-18:10

1 stop10h 10m

£183

VarnaLondon

VAR Varna - LHR London Heathrow

VARLHR

Varna

Fri 9/10

04:15-12:30

1 stop10h 15m

London Heathrow

Sun 18/10

13:30-03:25

1 stop11h 55m

£187

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Mon 23/11

15:00-19:15

1 stop6h 15m

London Heathrow

Fri 27/11

17:10-13:15

2 stops18h 05m

£193

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Mon 19/10

15:40-19:20

1 stop5h 40m

London Heathrow

Wed 28/10

20:05-13:15

2 stops15h 10m

£193

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 58 resultsSorted by cheapest first

...

Best time to book a flight from Bulgaria to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bulgaria with our price prediction graph.

SOF-LHR

VAR-LHR

BOJ-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bulgaria to London Heathrow Airport

BG0-LHR

SOF-LHR

VAR-LHR

BOJ-LHR

What is the cheapest time of day to fly from BG to LHR?

It’s optimal to fly from Bulgaria to London Heathrow Airport in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.

How often are flights from Bulgaria to London delayed?

About 13% of weekly flights between Bulgaria and London have experienced delays in the past year, with the average delay time being 96 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 13% of flights being delayed.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with LOT and British Airways from Bulgaria to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

LOT

7.5

Good

1,212 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2026

NQZ - WAW

Everything is ok , but I paid for seats that was given to someone . And when she was given tickets during registration, the customer service representative didn’t even see anything that the seats were exactly 16 D for both flight . But he gave tickets with totally different seats. How can they don’t see it on the site when he is registering someone . I don’t know what to say .

LOT

7.5

Good

1,212 reviews

LOT

7.5

Good

1,212 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2026

NQZ - WAW

British Airways

6.7

Okay

8,174 reviews

LOT

7.5

Good

1,212 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2026

NQZ - WAW

Related info for your journey

How long is the flight from Bulgaria to London Heathrow Airport?
Airlines like Air Serbia, Austrian Airlines, and SWISS fly from Bulgaria to London Heathrow Airport in about 5h 05m. The time it takes to get you to your destination can typically vary by up to 22h 05m. There are 1267 mi between Bulgaria and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Bulgaria to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Bulgaria to London Heathrow Airport are British Airways (£50), Air Serbia (£51), and Bulgaria Air (£70).
What are the most popular routes from Bulgaria to London Heathrow Airport?
The most popular flight routes from Bulgaria to London Heathrow Airport are Sofia - London Heathrow, Bourgas - London Heathrow and Varna - London Heathrow.
What are the cheapest flights from Bulgaria to London Heathrow Airport?
Looking for the cheapest flight from Bulgaria to London Heathrow Airport? While on average our users pay £219, our data indicates the cheapest price to be £71. The most popular route (Sofia - London Heathrow), is priced around £134.
Can I find deals for flights from Bulgaria to Heathrow that include hotel bookings?
Yes. In addition to deals on Bulgaria to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Bulgaria to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bulgaria to Heathrow.
Can I find deals for business class flights from Bulgaria to Heathrow?
Yes. Cheapflights offers flight deals from Bulgaria to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 3 airlines flying from Bulgaria to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£88	Average£141	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Bulgaria Air	Cheapest£95	Average£224	FlexibilityNo cancel fee	On-time73%	Search Bulgaria Air flights
LOT	Cheapest£173	Average£246	FlexibilityNo cancel fee	On-time81%	Search LOT flights

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How does Cheapflights help users find flights from Bulgaria to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Bulgaria today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Bulgaria to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bulgaria to Heathrow.

Can Cheapflights find flights from Bulgaria to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Bulgaria to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Bulgaria to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Bulgaria today and book when prices fit your budget.

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Cheap flights from Bulgaria to London Heathrow Airport from £55

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Bulgaria to Heathrow

Cheapest flights from Bulgaria to HeathrowExplore the most affordable flight options available from Bulgaria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Explore the most affordable flight options available from Bulgaria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Best flights from Bulgaria to HeathrowDiscover carefully curated flight deals from Bulgaria to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Discover carefully curated flight deals from Bulgaria to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Direct flights from Bulgaria to HeathrowExplore direct flight options from Bulgaria to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 August 2026.

Explore direct flight options from Bulgaria to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 August 2026.

Last-minute flights from Bulgaria to HeathrowDiscover last-minute flight deals from Bulgaria to Heathrow. Data last updated 18 August 2026 and is based on user searches.

Discover last-minute flight deals from Bulgaria to Heathrow. Data last updated 18 August 2026 and is based on user searches.

One-way flights from Bulgaria to HeathrowSearch for one-way flight options from Bulgaria to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.

Search for one-way flight options from Bulgaria to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.

Find flight deals from Bulgaria to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Bulgaria to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bulgaria with our price prediction graph.

Cheapflights Insights

What is the cheapest time of day to fly from BG to LHR?

Find hourly flight availability from Bulgaria to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 August 2026.

It’s optimal to fly from Bulgaria to London Heathrow Airport in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight in the morning.

How often are flights from Bulgaria to London delayed?

About 13% of weekly flights between Bulgaria and London have experienced delays in the past year, with the average delay time being 96 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 13% of flights being delayed.

Reviews of airlines servicing Heathrow

Read reviews from past customers who have flown with LOT and British Airways from Bulgaria to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Bulgaria to London Heathrow Airport?

What are the cheapest airlines to fly from Bulgaria to London Heathrow Airport one-way?

What are the most popular routes from Bulgaria to London Heathrow Airport?

What are the cheapest flights from Bulgaria to London Heathrow Airport?

Can I find deals for flights from Bulgaria to Heathrow that include hotel bookings?

How can I find direct flights from Bulgaria to Heathrow?

Can I find deals for business class flights from Bulgaria to Heathrow?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bulgaria to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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Search flights from Bulgaria to Heathrow by cabin class

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Other flights to Heathrow

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Cheapest flights from Bulgaria to Heathrow
Explore the most affordable flight options available from Bulgaria to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Best flights from Bulgaria to Heathrow
Discover carefully curated flight deals from Bulgaria to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Direct flights from Bulgaria to Heathrow
Explore direct flight options from Bulgaria to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 August 2026.

Last-minute flights from Bulgaria to Heathrow
Discover last-minute flight deals from Bulgaria to Heathrow. Data last updated 18 August 2026 and is based on user searches.

One-way flights from Bulgaria to Heathrow
Search for one-way flight options from Bulgaria to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.