Cheap flights from Bulgaria to London Heathrow Airport from £48

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
17 Oct — 24 Oct1
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 17 September 2025.

Round-trip from

£103

One-way from

£48

Popular in

July

Cheapest in

March

Average price

£158

Good one-way deal

£94 or less
British Airways
  • British Airways
  • 10/11-16/11
  • Nonstop
  • 6h 40m total
  • Bulgaria to London
British Airways
  • British Airways
  • 15/11
  • Nonstop
  • 3h 45m total
  • Bulgaria to London
Highest demand for flights based on searches. 27% potential increase in price (£29 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a one-way flight from Bulgaria to London Heathrow.

Find flight deals from Bulgaria to Heathrow

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 17 September 2025.

Mon 10/1117:25SOF - LHR
Nonstop3h 30mBritish Airways
Sun 16/1107:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 15/9£103
Mon 20/1005:00SOF - LHR
1 stop9h 30mAir Serbia
Wed 29/1013:20LHR - SOF
1 stop11h 40mAir Serbia
Deal found 15/9£124
Sun 19/1016:05SOF - LHR
1 stop22h 25mAir Serbia
Thu 30/1013:20LHR - SOF
1 stop11h 40mAir Serbia
Deal found 15/9£125
Mon 1/1217:25SOF - LHR
Nonstop3h 30mBritish Airways
Mon 8/1211:10LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 14/9£133
Fri 10/1016:05SOF - LHR
1 stop22h 25mMultiple Airlines
Sun 12/1022:15LHR - SOF
1 stop9h 45mMultiple Airlines
Deal found 16/9£135
Mon 20/1020:00SOF - LHR
Nonstop3h 20mBritish Airways
Wed 29/1014:55LHR - SOF
Nonstop3h 15mBritish Airways
Deal found 15/9£139
Thu 9/1018:40SOF - LHR
1 stop5h 20mLOT
Wed 15/1018:10LHR - SOF
1 stop21h 45mLOT
Deal found 16/9£142
Mon 13/1016:05SOF - LHR
1 stop22h 25mAir Serbia
Mon 20/1013:30LHR - SOF
1 stop24h 05mAir Serbia
Deal found 15/9£144
Fri 10/1016:05SOF - LHR
1 stop22h 25mAir Serbia
Sun 19/1013:30LHR - SOF
1 stop11h 25mAir Serbia
Deal found 16/9£146
Mon 13/1005:20SOF - LHR
1 stop14h 00mLOT
Mon 20/1006:30LHR - SOF
1 stop9h 25mLOT
Deal found 15/9£147
Fri 31/1010:50VAR - LHR
1 stop5h 15mAustrian Airlines
Fri 7/1106:00LHR - VAR
1 stop7h 15mAustrian Airlines
Deal found 16/9£166
Thu 16/1016:00VAR - LHR
1 stop18h 20mAustrian Airlines
Sun 19/1019:30LHR - VAR
1 stop17h 45mAustrian Airlines
Deal found 15/9£172

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 17 September 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

Thu 9/10

16:05-12:30

1 stop22h 25m

London Heathrow

Sun 12/10

13:30-02:55

1 stop11h 25m

£124

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 9/10

16:05-12:30

1 stop22h 25m

London Heathrow

Wed 15/10

13:30-02:55

1 stop11h 25m

£124

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

05:00-12:30

1 stop9h 30m

London Heathrow

Sun 2/11

13:20-15:30

1 stop24h 10m

£124

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 4/10

05:00-19:05

1 stop16h 05m

London Heathrow

Sun 5/10

13:30-02:55

1 stop11h 25m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 21/10

16:05-12:30

1 stop22h 25m

London Heathrow

Mon 27/10

13:20-03:00

1 stop11h 40m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 1/12

16:00-12:20

1 stop22h 20m

London Heathrow

Mon 8/12

13:20-03:00

1 stop11h 40m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 26/12

05:00-12:20

1 stop9h 20m

London Heathrow

Fri 2/1

13:20-03:00

1 stop11h 40m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 23/10

16:05-12:30

1 stop22h 25m

London Heathrow

Thu 30/10

13:20-15:30

1 stop24h 10m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 21/10

16:05-12:30

1 stop22h 25m

London Heathrow

Tue 28/10

13:20-15:30

1 stop24h 10m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 20/10

20:00-21:20

Nonstop3h 20m

London Heathrow

Wed 29/10

14:55-20:10

Nonstop3h 15m

£139

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 52 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, January is the cheapest month in which you can book a flight from Bulgaria to London Heathrow Airport (average of £112). Flying from Bulgaria to London Heathrow Airport in August is currently the most expensive (average of £164). 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 17 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bulgaria to London Heathrow Airport as you normally would.

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 17 September 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.

Comfort

7.5

Food

7.2

Crew

8.2

Boarding

7.6

Overall

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Enver,Sept 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed

Comfort

7.5

Food

7.2

Crew

8.2

Boarding

7.6

Overall

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Enver,Sept 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed

Comfort

7.5

Food

7.2

Crew

8.2

Boarding

7.6

Overall

7.6

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Enver,Sept 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed

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 Air Serbia, Austrian Airlines, and Turkish Airlines fly from Bulgaria to London Heathrow Airport in about 5h 15m. The time it takes to get you to your destination can typically vary by up to 17h 10m. There are 1429 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?

  • 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 (73%), American Airlines (55%) or British Airways (55%) 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 £145, our data indicates the cheapest price to be £54. The most popular route (Sofia - London Heathrow), is priced around £103.

  • 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, January is the cheapest month in which you can book a flight from Bulgaria to London Heathrow Airport (average of £112). Flying from Bulgaria to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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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.

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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£108Average£123FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£123Average£170FlexibilityNo cancel feeOn-time81%
Search LOT flights
Bulgaria AirCheapest£163Average£192FlexibilityNo 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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