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Cheap flights from Bulgaria to London Heathrow Airport from £50

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Bulgaria to Heathrow

Keep the following information in mind while searching for Bulgaria to Heathrow flight deals. Data was last updated 22 October 2025.

Round-trip from

£111

One-way from

£50

Popular in

July

Cheapest in

November

Average price

£87

Good round-trip deal

£132 or less

Good one-way deal

£105 or less
British Airways
  • British Airways
  • 14/1-10/4
  • Nonstop
  • 6h 40m total
  • Bulgaria to London
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British Airways
  • British Airways
  • 14/1
  • Nonstop
  • 3h 30m total
  • Bulgaria to London
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£30 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Bulgaria to London Heathrow.
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Price to beat on a one-way flight from Bulgaria to London Heathrow.
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Find 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 22 October 2025.

Mon 10/1117:25SOF - LHR
Nonstop3h 30mBritish Airways
Sun 16/1107:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 20/10£116
Wed 17/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Sun 4/107:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 20/10£130
Sat 22/1112:05SOF - LHR
Nonstop3h 45mMultiple Airlines
Mon 1/1222:15LHR - SOF
1 stop19h 15mMultiple Airlines
Deal found 21/10£132
Wed 19/1121:00SOF - LHR
Nonstop3h 30mBritish Airways
Wed 26/1114:55LHR - SOF
Nonstop3h 15mBritish Airways
Deal found 20/10£134
Thu 4/1216:20SOF - LHR
1 stop6h 55mAegean Airlines
Thu 11/1222:15LHR - SOF
1 stop19h 15mAegean Airlines
Deal found 20/10£140
Sat 8/1114:35SOF - LHR
1 stop21h 00mLOT
Sat 29/1118:20LHR - SOF
1 stop17h 30mLOT
Deal found 21/10£142
Tue 18/1118:35SOF - LHR
1 stop5h 25mLOT
Tue 25/1110:25LHR - SOF
1 stop25h 25mLOT
Deal found 21/10£143
Mon 17/1118:35SOF - LHR
1 stop5h 25mLOT
Mon 24/1110:25LHR - SOF
1 stop5h 25mLOT
Deal found 20/10£144
Mon 17/1112:00SOF - LHR
1 stop8h 00mMultiple Airlines
Mon 24/1109:55LHR - SOF
1 stop6h 50mMultiple Airlines
Deal found 20/10£147
Sat 8/1110:40SOF - LHR
Nonstop3h 30mMultiple Airlines
Sat 29/1106:05LHR - SOF
Nonstop3h 10mMultiple Airlines
Deal found 21/10£148
Wed 19/1118:35SOF - LHR
1 stop5h 25mLOT
Wed 26/1106:30LHR - SOF
1 stop9h 20mLOT
Deal found 20/10£151
Thu 20/1116:00VAR - LHR
1 stop7h 40mAustrian Airlines
Thu 27/1106:00LHR - VAR
1 stop7h 15mAustrian Airlines
Deal found 21/10£182

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 22 October 2025.
Use the filters below to find and compare flights from Bulgaria to London Heathrow Airport that are best for you.

Fly from

Bulgaria

Fly to

Heathrow

Route

Depart

Return

Price

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 16/1

20:20-21:15

1 stop26h 55m

London Heathrow

Mon 19/1

22:15-19:30

1 stop19h 15m

£120

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 4/12

16:20-21:15

1 stop6h 55m

London Heathrow

Thu 11/12

22:15-19:30

1 stop19h 15m

£140

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 17/12

21:00-22:30

Nonstop3h 30m

London Heathrow

Sat 3/1

06:05-11:15

Nonstop3h 10m

£144

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 5/2

05:00-12:20

1 stop9h 20m

London Heathrow

Sun 8/2

13:20-15:30

1 stop24h 10m

£146

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 8/11

10:40-12:10

Nonstop3h 30m

London Heathrow

Sat 29/11

06:05-11:15

Nonstop3h 10m

£148

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 17/1

12:05-13:50

Nonstop3h 45m

London Heathrow

Mon 19/1

11:10-16:20

Nonstop3h 10m

£149

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 19/11

18:35-22:00

1 stop5h 25m

London Heathrow

Wed 26/11

06:30-17:50

1 stop9h 20m

£151

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 23/11

14:00-17:05

1 stop5h 05m

London Heathrow

Tue 2/12

08:45-18:20

1 stop7h 35m

£151

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 16/11

19:05-22:55

1 stop5h 50m

London Heathrow

Tue 25/11

11:10-22:45

1 stop9h 35m

£152

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 17/11

17:25-18:55

Nonstop3h 30m

London Heathrow

Wed 19/11

14:55-20:10

Nonstop3h 15m

£155

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 43 results
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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 month to book a flight from Bulgaria to London Heathrow Airport?

Currently, September is the cheapest month in which you can book a flight from Bulgaria to London Heathrow Airport (average of £84). Flying from Bulgaria to London Heathrow Airport in May is currently the most expensive (average of £173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 22 October 2025.

It’s optimal to fly from Bulgaria to London Heathrow Airport in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the afternoon.

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 22 October 2025.
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
7.6
Good
1,133 reviews
Check prices

Overall

7.6

Food

7.1

Crew

8.2

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.6
Good
1,133 reviews
LOT
7.6
Good
1,133 reviews
Check prices

Overall

7.6

Food

7.1

Crew

8.2

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
British Airways
6.7
Okay
7,467 reviews
LOT
7.6
Good
1,133 reviews
Check prices

Overall

7.6

Food

7.1

Crew

8.2

Boarding

7.6

Entertainment

6.9

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

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 Aegean Airlines, British Airways, and Air Serbia 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 23h 25m. 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 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 most reliable airlines from Bulgaria to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Bulgaria to London Heathrow Airport consider choosing Bulgaria Air (65%), American Airlines (60%) or British Airways (60%) as they are the most reliable in getting you off to your destination on time.

  • 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 £133, our data indicates the cheapest price to be £47. The most popular route (Sofia - London Heathrow), is priced around £111.

  • 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.

  • What is the cheapest month to book a flight from Bulgaria to London Heathrow Airport?

    Currently, September is the cheapest month in which you can book a flight from Bulgaria to London Heathrow Airport (average of £84). Flying from Bulgaria to London Heathrow Airport in May is currently the most expensive (average of £173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Wembley
Ilford
Deal
Hayes
Colchester
Watford
Crawley
Winchester
Swindon
Chichester
Romford
Ipswich
Bedford

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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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Duesseldorf Intl to London City flights
Amsterdam to Southend flights
Vienna to Luton flights
Nantes to Gatwick flights
Nantes to Stansted flights
Marseille to Gatwick flights
Lyon to Luton flights
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Marseille to London City flights
Toulouse to Stansted flights
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Duesseldorf Intl to Gatwick flights
Madrid to Southend flights
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Top 3 airlines flying from Bulgaria to Heathrow

Discover the top 3 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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£110Average£126FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£125Average£173FlexibilityNo cancel feeOn-time81%
Search LOT flights
Bulgaria AirCheapest£166Average£199FlexibilityNo 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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