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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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

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 5 November 2025.

Round-trip from

£106

One-way from

£50

Popular in

July

Cheapest in

November

Average price

£73

Good round-trip deal

£135 or less

Good one-way deal

£96 or less
British Airways
  • British Airways
  • 29/11-30/11
  • Nonstop
  • 6h 55m total
  • Bulgaria to London
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British Airways
  • British Airways
  • 25/3
  • Nonstop
  • 3h 30m total
  • Bulgaria to London
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 5 November 2025.

Sat 29/1112:05SOF - LHR
Nonstop3h 45mBritish Airways
Sun 30/1107:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 4/11£106
Wed 10/1218:35SOF - LHR
1 stop5h 25mLOT
Fri 12/1206:30LHR - SOF
1 stop5h 20mLOT
Deal found 4/11£121
Wed 26/1118:35SOF - LHR
1 stop5h 25mLOT
Sat 29/1106:30LHR - SOF
1 stop5h 20mLOT
Deal found 3/11£123
Tue 2/1218:35SOF - LHR
1 stop5h 25mLOT
Tue 9/1218:20LHR - SOF
1 stop17h 30mLOT
Deal found 4/11£124
Tue 25/1114:35SOF - LHR
1 stop28h 45mLOT
Thu 27/1110:35LHR - SOF
1 stop25h 15mLOT
Deal found 3/11£126
Fri 28/1118:35SOF - LHR
1 stop17h 00mLOT
Tue 2/1218:20LHR - SOF
1 stop17h 30mLOT
Deal found 3/11£127
Tue 25/1118:35SOF - LHR
1 stop24h 45mLOT
Fri 28/1106:30LHR - SOF
1 stop5h 20mLOT
Deal found 3/11£129
Sat 29/1112:05SOF - LHR
Nonstop3h 45mMultiple Airlines
Wed 3/1222:15LHR - SOF
1 stop15h 15mMultiple Airlines
Deal found 4/11£138
Sat 29/1112:05SOF - LHR
Nonstop3h 45mBritish Airways
Wed 3/1214:55LHR - SOF
Nonstop3h 15mBritish Airways
Deal found 4/11£145
Sat 29/1114:35SOF - LHR
1 stop21h 00mLOT
Wed 3/1206:30LHR - SOF
1 stop5h 20mLOT
Deal found 4/11£146
Thu 20/1105:00SOF - LHR
1 stop9h 20mAir Serbia
Wed 26/1113:20LHR - SOF
1 stop11h 45mAir Serbia
Deal found 3/11£148
Thu 27/1116:00VAR - LHR
1 stop7h 40mAustrian Airlines
Mon 1/1206:00LHR - VAR
1 stop7h 15mAustrian Airlines
Deal found 4/11£176

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 5 November 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

Sat 29/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Sun 30/11

07:50-13:00

Nonstop3h 10m

£106

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 27/2

18:35-09:35

1 stop17h 00m

London Heathrow

Thu 12/3

18:20-17:50

1 stop21h 30m

£127

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 28/2

18:35-09:35

1 stop17h 00m

London Heathrow

Thu 12/3

18:20-17:50

1 stop21h 30m

£127

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 22/12

14:35-22:00

1 stop9h 25m

London Heathrow

Sun 4/1

06:30-13:50

1 stop5h 20m

£146

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 29/11

14:35-09:35

1 stop21h 00m

London Heathrow

Wed 3/12

06:30-13:50

1 stop5h 20m

£147

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 29/11

14:35-09:35

1 stop21h 00m

London Heathrow

Tue 2/12

10:25-13:50

1 stop25h 25m

£148

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 19/11

14:00-18:35

1 stop6h 35m

London Heathrow

Tue 25/11

13:50-22:45

1 stop6h 55m

£150

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 23/11

14:00-18:35

1 stop6h 35m

London Heathrow

Tue 2/12

06:35-13:15

1 stop4h 40m

£150

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 27/11

19:05-22:55

1 stop5h 50m

London Heathrow

Mon 1/12

06:00-14:15

1 stop6h 15m

£159

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 21/12

14:30-16:00

Nonstop3h 30m

London Heathrow

Sat 3/1

06:05-11:15

Nonstop3h 10m

£161

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 37 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 £86). Flying from Bulgaria to London Heathrow Airport in May is currently the most expensive (average of £177). 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 5 November 2025.

It’s optimal to fly from Bulgaria to London Heathrow Airport in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at midday.

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 5 November 2025.
Read reviews from past customers who have flown with LOT 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

Comfort

7.5

Boarding

7.6

Crew

8.2

Food

7.1

Entertainment

6.9

Overall

7.6

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

Comfort

7.5

Boarding

7.6

Crew

8.2

Food

7.1

Entertainment

6.9

Overall

7.6

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 British Airways, LOT, and Austrian Airlines fly from Bulgaria to London Heathrow Airport in about 3h 45m. The time it takes to get you to your destination can typically vary by up to 13h 15m. 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 British Airways (77%), Bulgaria Air (69%) or American Airlines (54%) 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 £147, our data indicates the cheapest price to be £48. The most popular route (Sofia - London Heathrow), is priced around £119.

  • 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 £86). Flying from Bulgaria to London Heathrow Airport in May is currently the most expensive (average of £177). 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
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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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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Bruxelles-National to Stansted flights
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Barcelona-El Prat to Gatwick flights
Vienna to London City flights
Nantes to Gatwick flights
Duesseldorf Intl to Heathrow flights
Barcelona-El Prat to Luton flights
Madrid to Southend flights
Marseille to Heathrow flights
Amsterdam to Gatwick flights
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Amsterdam to Stansted flights
Amsterdam to Luton flights
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Frankfurt-Hahn to Stansted flights
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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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest£128Average£177FlexibilityNo cancel feeOn-time81%
Search LOT flights
Bulgaria AirCheapest£156Average£205FlexibilityNo 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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