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Cheap flights from Bulgaria to London Heathrow Airport from £53

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
21 Jul — 28 Jul1
1 adult

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 16 July 2025.

Round-trip from

£133

One-way from

£53

Popular in

July

Cheapest in

March

Average price

£149

Good round-trip deal

£199 or less

Good one-way deal

£110 or less
British Airways
  • British Airways
  • 8/11-17/11
  • Nonstop
  • 6h 55m total
  • Bulgaria to London
Air Serbia
  • Air Serbia
  • 19/9
  • 1 total stop
  • 22h 25m total
  • Bulgaria to London
Highest demand for flights based on searches. 26% potential increase in price (£25 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Bulgaria to London Heathrow.
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 16 July 2025.

Sat 8/1112:05SOF - LHR
Nonstop3h 45mBritish Airways
Mon 17/1111:10LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 15/7£133
Wed 13/818:40SOF - LHR
1 stop5h 20mLOT
Wed 20/810:15LHR - SOF
1 stop25h 35mLOT
Deal found 16/7£139
Sat 25/1005:00SOF - LHR
1 stop9h 30mAir Serbia
Sun 2/1113:20LHR - SOF
1 stop11h 40mAir Serbia
Deal found 15/7£156
Fri 1/806:00SOF - LHR
1 stop15h 40mLufthansa
Sun 31/807:25LHR - SOF
1 stop13h 35mLufthansa
Deal found 14/7£171
Wed 10/1221:00SOF - LHR
Nonstop3h 30mMultiple Airlines
Wed 17/1218:10LHR - SOF
1 stop17h 40mMultiple Airlines
Deal found 14/7£172
Wed 29/1010:50VAR - LHR
1 stop9h 50mAustrian Airlines
Sat 1/1106:00LHR - VAR
1 stop7h 15mAustrian Airlines
Deal found 16/7£182
Sat 25/1006:25SOF - LHR
Nonstop3h 40mBulgaria Air
Sun 2/1108:45LHR - SOF
Nonstop3h 10mBulgaria Air
Deal found 14/7£189
Sat 25/1012:45SOF - LHR
2 stops11h 00mSWISS
Sun 2/1108:55LHR - SOF
1 stop27h 20mSWISS
Deal found 15/7£197
Sun 27/710:00BOJ - LHR
1 stop12h 45mLufthansa
Mon 4/806:30LHR - BOJ
1 stop24h 00mLufthansa
Deal found 15/7£217
Thu 28/822:10VAR - LHR
1 stop18h 55mTurkish Airlines
Thu 4/916:40LHR - VAR
1 stop8h 05mTurkish Airlines
Deal found 14/7£218
Wed 29/1010:50VAR - LHR
2 stops8h 15mLufthansa
Sat 1/1119:30LHR - VAR
1 stop19h 25mLufthansa
Deal found 16/7£238
Thu 28/819:00VAR - LHR
1 stop5h 15mMultiple Airlines
Thu 4/920:00LHR - VAR
1 stop13h 45mMultiple Airlines
Deal found 14/7£253

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 16 July 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 8/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Mon 17/11

11:10-16:20

Nonstop3h 10m

£133

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 7/11

18:35-22:00

1 stop5h 25m

London Heathrow

Tue 18/11

10:25-13:50

1 stop25h 25m

£142

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

05:00-12:30

1 stop9h 30m

London Heathrow

Sun 2/11

13:20-03:00

1 stop11h 40m

£156

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 1/8

06:00-19:40

1 stop15h 40m

London Heathrow

Sun 31/8

07:25-23:00

1 stop13h 35m

£171

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 10/12

21:00-22:30

Nonstop3h 30m

London Heathrow

Wed 17/12

18:10-13:50

1 stop17h 40m

£172

VarnaLondon

VAR - LHR

VARLHR

Varna

Wed 29/10

10:50-18:40

1 stop9h 50m

London Heathrow

Sat 1/11

06:00-15:15

1 stop7h 15m

£182

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

06:25-08:05

Nonstop3h 40m

London Heathrow

Sun 2/11

08:45-13:55

Nonstop3h 10m

£189

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 3/1

12:35-08:20

1 stop21h 45m

London Heathrow

Mon 30/3

06:00-11:40

1 stop27h 40m

£194

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

12:45-21:45

2 stops11h 00m

London Heathrow

Sun 2/11

08:55-14:15

1 stop27h 20m

£197

BurgasLondon

BOJ - LHR

BOJLHR

Bourgas

Sun 27/7

10:00-20:45

1 stop12h 45m

London Heathrow

Mon 4/8

06:30-08:30

1 stop24h 00m

£217

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 36 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 16 July 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 16 July 2025.
Read reviews from past customers who have flown with Aegean Airlines, LOT, andAustrian Airlines 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.

Crew

8.6

Boarding

7.8

Entertainment

7.0

Food

7.4

Comfort

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Boarding

7.8

Entertainment

7.0

Food

7.4

Comfort

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Boarding

7.8

Entertainment

7.0

Food

7.4

Comfort

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Boarding

7.8

Entertainment

7.0

Food

7.4

Comfort

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Boarding

7.8

Entertainment

7.0

Food

7.4

Comfort

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Boarding

7.8

Entertainment

7.0

Food

7.4

Comfort

7.8

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.
  • 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 Air Serbia (£53), British Airways (£76), and Bulgaria Air (£92).

  • 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 (56%), American Airlines (52%) or British Airways (52%) 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 £200, our data indicates the cheapest price to be £61. The most popular route (Sofia - London Heathrow), is priced around £155.

  • 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
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Southend-on-Sea
Folkestone
Watford
Winchester
Swindon
Maidstone

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.

Top 4 airlines flying from Bulgaria to Heathrow

Discover the top 4 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 16 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£55Average£102FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Bulgaria AirCheapest£89Average£185FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
British AirwaysCheapest£107Average£122FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£125Average£173FlexibilityNo cancel feeOn-time81%
Search LOT 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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