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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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
2 Sep — 9 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bulgaria to Heathrow

Enter your travel dates to find the best prices.

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 3 August 2026.

Mon 7/1217:15
SOF
-
LHR
Nonstop3h 30m
British Airways
Wed 9/1214:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 31/7£110
Tue 22/918:45
SOF
-
LHR
1 stop16h 35m
LOT
Thu 1/1010:20
LHR
-
SOF
1 stop5h 40m
LOT
Deal found 30/7£123
Mon 30/1117:15
SOF
-
LHR
Nonstop3h 30m
British Airways
Fri 22/114:05
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 30/7£126
Sat 12/918:45
SOF
-
LHR
1 stop5h 15m
LOT
Mon 28/906:30
LHR
-
SOF
1 stop9h 30m
LOT
Deal found 30/7£133
Fri 13/1105:00
SOF
-
LHR
1 stop9h 20m
Air Serbia
Sat 21/1113:20
LHR
-
SOF
1 stop24h 10m
Air Serbia
Deal found 2/8£134
Fri 25/918:45
SOF
-
LHR
1 stop24h 25m
LOT
Fri 2/1006:30
LHR
-
SOF
1 stop9h 30m
LOT
Deal found 1/8£136
Sat 19/918:45
SOF
-
LHR
1 stop16h 35m
LOT
Wed 23/906:30
LHR
-
SOF
1 stop5h 25m
LOT
Deal found 1/8£136
Mon 9/1117:15
SOF
-
LHR
Nonstop3h 30m
British Airways
Fri 22/114:05
LHR
-
SOF
Nonstop3h 15m
British Airways
Deal found 30/7£137
Fri 4/1220:30
SOF
-
LHR
Nonstop3h 25m
British Airways
Mon 7/1211:10
LHR
-
SOF
Nonstop3h 10m
British Airways
Deal found 1/8£139
Sat 12/904:15
VAR
-
LHR
1 stop10h 15m
Multiple Airlines
Sat 19/908:50
LHR
-
VAR
1 stop8h 00m
Multiple Airlines
Deal found 29/7£181
Fri 18/905:30
VAR
-
LHR
1 stop13h 35m
Multiple Airlines
Fri 25/919:25
LHR
-
VAR
1 stop14h 10m
Multiple Airlines
Deal found 28/7£191
Tue 18/821:10
VAR
-
LHR
1 stop12h 45m
SWISS
Sat 22/818:40
LHR
-
VAR
1 stop13h 00m
SWISS
Deal found 2/8£200

Find flight deals from Bulgaria to Heathrow

Keep the following information in mind while searching for Bulgaria to Heathrow flight deals. Data was last updated 3 August 2026.

Round-trip from

£110

One-way from

£55

Popular in

August

Cheapest in

November

Average price

£185

Good round-trip deal

£113 or less

Good one-way deal

£92 or less
British Airways
  • British Airways
  • 7/12-9/12
  • Nonstop
  • 6h 45m total
  • Bulgaria to London
Search Deals
Air Serbia
  • Air Serbia
  • 6/11
  • 1 total stop
  • 9h 20m total
  • Bulgaria to London
Search Deals
Highest demand for flights based on searches. 37% potential increase in price (£44 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

 
Customise your flight search to find flights from Bulgaria to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 August 2026.
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
Fastest return journey

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 18/8

19:25-22:40

1 stop5h 15m

London Heathrow

Sat 22/8

06:00-12:55

1 stop4h 55m

£193

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 28/9

05:00-12:30

1 stop9h 30m

London Heathrow

Tue 6/10

13:30-15:30

1 stop24h 00m

£193

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 17/8

19:25-22:40

1 stop5h 15m

London Heathrow

Fri 21/8

06:00-15:20

1 stop7h 20m

£205

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 28/9

15:40-19:20

1 stop5h 40m

London Heathrow

Tue 6/10

20:05-12:10

2 stops14h 05m

£206

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 21/9

16:00-12:30

1 stop22h 30m

London Heathrow

Sun 27/9

13:30-15:30

1 stop24h 00m

£208

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 19/10

15:40-21:30

2 stops7h 50m

London Heathrow

Mon 26/10

20:05-13:15

2 stops15h 10m

£221

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 17/9

08:55-15:30

1 stop8h 35m

London Heathrow

Wed 23/9

22:15-09:55

1 stop9h 40m

£223

VarnaLondon

VAR - LHR

VARLHR

Varna

Thu 24/9

16:30-16:45

1 stop26h 15m

London Heathrow

Wed 30/9

19:25-11:35

1 stop14h 10m

£224

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 25/9

15:50-18:30

2 stops28h 40m

London Heathrow

Mon 28/9

20:05-12:15

1 stop14h 10m

£232

VarnaLondon

VAR - LHR

VARLHR

Varna

Thu 24/9

22:15-16:45

1 stop20h 30m

London Heathrow

Fri 2/10

19:25-11:35

1 stop14h 10m

£232

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 58 resultsSorted by cheapest first
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6

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.
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

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 3 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 37% on the cost of your flight, compared to a flight in the morning.

How often are flights from Bulgaria to London delayed?

About 14% of weekly flights between Bulgaria and London have experienced delays in the past year, with the average delay time being 98 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, Bulgaria Air have had the lowest number of delays on this route, with just 14% of flights being delayed.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 3 August 2026.
Read reviews from past customers who have flown with 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.
British Airways
6.7
Okay
8,140 reviews
Check prices

Comfort

6.8

Overall

6.7

Crew

7.7

Entertainment

6.5

Food

6.4

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BUD - LHR

We had an absolute nightmare experience with British Airways. Check in was bad. They “lost” our business class seats that I selected a long time ago. Our luggage almost didn’t make it on the plane in London to LAX. Flight attendant was rude!! Not that it should matter but she thought bc of the seat assignment issue we were “upgraded” and that’s we had no choice in meals. Not that the meals were any good anyway.
British Airways
6.7
Okay
8,140 reviews
British Airways
6.7
Okay
8,140 reviews
Check prices

Comfort

6.8

Overall

6.7

Crew

7.7

Entertainment

6.5

Food

6.4

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

BUD - LHR

We had an absolute nightmare experience with British Airways. Check in was bad. They “lost” our business class seats that I selected a long time ago. Our luggage almost didn’t make it on the plane in London to LAX. Flight attendant was rude!! Not that it should matter but she thought bc of the seat assignment issue we were “upgraded” and that’s we had no choice in meals. Not that the meals were any good anyway.

Related info for your journey

Find useful and relevant information for your journey from Bulgaria to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like British Airways, LOT, and Lufthansa fly from Bulgaria to London Heathrow Airport in about 3h 30m. The time it takes to get you to your destination can typically vary by up to 13h 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 (£51), Air Serbia (£51), and Bulgaria Air (£63).

  • 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, Varna - London Heathrow and Bourgas - 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 £207, our data indicates the cheapest price to be £58. The most popular route (Sofia - London Heathrow), is priced around £110.

  • 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Poole

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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.
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Top 2 airlines flying from Bulgaria to Heathrow

Discover the top 2 airlines that operate flights from Bulgaria to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£88Average£142FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Bulgaria AirCheapest£95Average£226FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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