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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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
1 May — 8 May1
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 26 April 2025.

Round-trip from

£127

One-way from

£55

Popular in

July

Cheapest in

March

Average price

£98

Good round-trip deal

£110 or less

Good one-way deal

£87 or less
LOT
  • LOT
  • 26/5-4/6
  • 2 total stops
  • 22h 00m total
  • Bulgaria to London
Search Deals
Air Serbia
  • Air Serbia
  • 10/6
  • 1 total stop
  • 22h 25m total
  • Bulgaria to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£18 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 April 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

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 26 April 2025.

Fri 7/1120:15SOF - LHR
Nonstop3h 35mBritish Airways
Tue 18/1111:55LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 25/4£101
Mon 26/518:40SOF - LHR
1 stop16h 40mLOT
Wed 4/606:30LHR - SOF
1 stop5h 20mLOT
Deal found 25/4£127
Thu 26/616:05SOF - LHR
1 stop22h 25mAir Serbia
Sun 29/613:30LHR - SOF
1 stop11h 25mAir Serbia
Deal found 25/4£128
Tue 10/619:25SOF - LHR
1 stop5h 15mMultiple Airlines
Tue 17/620:05LHR - SOF
1 stop12h 00mMultiple Airlines
Deal found 25/4£149
Sat 5/706:00SOF - LHR
1 stop14h 25mLufthansa
Wed 16/706:55LHR - SOF
1 stop14h 05mLufthansa
Deal found 25/4£166
Tue 8/712:25SOF - LHR
1 stop11h 15mAustrian Airlines
Tue 15/706:00LHR - SOF
1 stop10h 10mAustrian Airlines
Deal found 25/4£175
Sat 25/1006:25SOF - LHR
Nonstop3h 40mBulgaria Air
Sun 2/1108:40LHR - SOF
Nonstop3h 00mBulgaria Air
Deal found 25/4£196
Thu 21/804:30VAR - LHR
1 stop10h 00mAir Serbia
Thu 28/813:30LHR - VAR
1 stop11h 50mAir Serbia
Deal found 25/4£215
Wed 30/716:00VAR - LHR
1 stop7h 40mAustrian Airlines
Tue 2/919:30LHR - VAR
1 stop15h 15mAustrian Airlines
Deal found 25/4£219
Thu 5/610:50SOF - LHR
1 stop9h 00mSWISS
Thu 12/620:05LHR - SOF
2 stops37h 55mSWISS
Deal found 25/4£243
Wed 30/713:35VAR - LHR
1 stop10h 05mMultiple Airlines
Tue 2/920:25LHR - VAR
2 stops14h 20mMultiple Airlines
Deal found 25/4£246
Sun 4/515:20SOF - LHR
1 stop7h 50mAegean Airlines
Mon 5/512:15LHR - SOF
1 stop6h 10mAegean Airlines
Deal found 25/4£267

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 26 April 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

Mon 26/5

18:40-09:20

1 stop16h 40m

London Heathrow

Wed 4/6

06:30-13:50

1 stop5h 20m

£127

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 26/6

16:05-12:30

1 stop22h 25m

London Heathrow

Sun 29/6

13:30-02:55

1 stop11h 25m

£128

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 10/6

19:25-22:40

1 stop5h 15m

London Heathrow

Tue 17/6

20:05-10:05

1 stop12h 00m

£149

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 5/7

06:00-18:25

1 stop14h 25m

London Heathrow

Wed 16/7

06:55-23:00

1 stop14h 05m

£166

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 8/7

12:25-21:40

1 stop11h 15m

London Heathrow

Tue 15/7

06:00-18:10

1 stop10h 10m

£175

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 4/5

21:10-22:25

Nonstop3h 15m

London Heathrow

Mon 5/5

14:00-19:10

Nonstop3h 10m

£192

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 9/6

15:20-16:45

Nonstop3h 25m

London Heathrow

Mon 16/6

17:55-23:15

Nonstop3h 20m

£198

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 5/6

10:50-17:50

1 stop9h 00m

London Heathrow

Thu 12/6

20:05-12:00

2 stops37h 55m

£243

VarnaLondon

VAR - LHR

VARLHR

Varna

Fri 23/5

08:30-22:00

2 stops15h 30m

London Heathrow

Sun 1/6

06:30-21:35

2 stops13h 05m

£265

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 4/5

15:20-21:10

1 stop7h 50m

London Heathrow

Mon 5/5

12:15-20:25

1 stop6h 10m

£267

Flights are sorted by cheapest return flights first.

Deals found on 25/4

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 26 April 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 26 April 2025.
Read reviews from past customers who have flown Aegean Airlines, EL AL and airBaltic from Bulgaria to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
738 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Crew

8.6

Food

7.3

Comfort

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very Good
738 reviews
Aegean Airlines
8.1
Very Good
738 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Crew

8.6

Food

7.3

Comfort

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
EL AL
7.8
Good
528 reviews
Aegean Airlines
8.1
Very Good
738 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Crew

8.6

Food

7.3

Comfort

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
airBaltic
7.8
Good
178 reviews
Aegean Airlines
8.1
Very Good
738 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Crew

8.6

Food

7.3

Comfort

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,068 reviews
Aegean Airlines
8.1
Very Good
738 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Crew

8.6

Food

7.3

Comfort

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
780 reviews
Aegean Airlines
8.1
Very Good
738 reviews
Check prices

Entertainment

6.9

Boarding

7.8

Crew

8.6

Food

7.3

Comfort

7.8

Overall

8.1

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 (£55), British Airways (£75), and Bulgaria Air (£90).

  • 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, Bourgas - London Heathrow and Varna - 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 (83%), American Airlines (83%) or British Airways (83%) 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 £130, our data indicates the cheapest price to be £52. The most popular route (Sofia - London Heathrow), is priced around £132.

  • 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 Bulgaria?

Book flights to Bulgaria if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 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 26 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£55Average£119FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Bulgaria AirCheapest£90Average£186FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
British AirwaysCheapest£110Average£134FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£126Average£161FlexibilityNo 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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