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Cheap flights from London Heathrow Airport to Bulgaria from £71

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
4 May — 11 May1
1 adult

Cheap flight deals from Heathrow to Bulgaria

Keep the following information in mind while searching for Heathrow to Bulgaria flight deals. Data was last updated 29 April 2025.

Round-trip from

£124

One-way from

£71

Popular in

August

Cheapest in

November

Average price

£141

Good round-trip deal

£204 or less

Good one-way deal

£131 or less
British Airways
  • British Airways
  • 17/10-20/10
  • Nonstop
  • 6h 30m total
  • London to Bulgaria
Search Deals
British Airways
  • British Airways
  • 3/9
  • Nonstop
  • 3h 15m total
  • London to Bulgaria
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£7 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 London Heathrow to Bulgaria.
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Price to beat on a one-way flight from London Heathrow to Bulgaria.
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Find flight deals from Heathrow to Bulgaria

Cheapest flights from Heathrow to Bulgaria
Explore the most affordable flight options available from Heathrow to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Fri 7/1114:15LHR - SOF
Nonstop3h 10mBritish Airways
Tue 11/1118:05SOF - LHR
Nonstop3h 35mBritish Airways
Deal found 29/4£100
Fri 7/1113:20LHR - SOF
1 stop11h 40mMultiple Airlines
Tue 11/1118:05SOF - LHR
Nonstop3h 35mMultiple Airlines
Deal found 29/4£134
Sat 14/619:55LHR - SOF
1 stop17h 40mAir Serbia
Thu 26/616:05SOF - LHR
1 stop22h 25mAir Serbia
Deal found 28/4£141
Thu 12/611:30LHR - SOF
1 stop9h 20mLufthansa
Thu 19/606:00SOF - LHR
1 stop15h 40mLufthansa
Deal found 28/4£153
Thu 5/619:10LHR - VAR
1 stop11h 50mMultiple Airlines
Wed 25/616:00VAR - LHR
1 stop18h 45mMultiple Airlines
Deal found 28/4£159
Fri 13/608:40LHR - SOF
1 stop23h 25mSWISS
Tue 1/713:15SOF - LHR
1 stop10h 30mSWISS
Deal found 28/4£165
Sat 21/606:00LHR - SOF
1 stop10h 10mAustrian Airlines
Thu 3/718:55SOF - LHR
1 stop4h 45mAustrian Airlines
Deal found 28/4£168
Wed 25/619:30LHR - BOJ
1 stop17h 45mMultiple Airlines
Tue 1/709:25BOJ - LHR
1 stop8h 15mMultiple Airlines
Deal found 29/4£175
Sat 28/618:30LHR - BOJ
1 stop11h 55mLufthansa
Wed 9/718:25BOJ - LHR
1 stop6h 15mLufthansa
Deal found 28/4£177
Mon 26/522:15LHR - SOF
1 stop14h 15mAegean Airlines
Mon 2/621:15SOF - LHR
1 stop22h 40mAegean Airlines
Deal found 28/4£193
Thu 12/617:50LHR - VAR
1 stop13h 10mLufthansa
Thu 19/609:20VAR - LHR
1 stop13h 20mLufthansa
Deal found 28/4£207
Sun 6/719:25LHR - VAR
1 stop5h 55mAir Serbia
Fri 11/704:30VAR - LHR
1 stop10h 00mAir Serbia
Deal found 28/4£210

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Bulgaria 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 29 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Bulgaria that are best for you.

Fly from

Heathrow

Fly to

Bulgaria

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 17/10

08:20-13:30

Nonstop3h 10m

Sofia

Mon 20/10

20:00-21:20

Nonstop3h 20m

£124

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 14/6

19:55-15:35

1 stop17h 40m

Sofia

Sat 28/6

16:05-19:05

1 stop5h 00m

£140

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 25/6

19:00-11:10

1 stop14h 10m

Sofia

Sat 28/6

16:05-19:05

1 stop5h 00m

£141

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 12/6

11:30-22:50

1 stop9h 20m

Sofia

Thu 19/6

06:00-19:40

1 stop15h 40m

£153

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Thu 5/6

19:10-09:00

1 stop11h 50m

Varna

Wed 25/6

16:00-08:45

1 stop18h 45m

£159

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 13/6

20:05-10:05

1 stop12h 00m

Sofia

Wed 25/6

10:50-19:20

1 stop10h 30m

£165

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 21/6

06:00-18:10

1 stop10h 10m

Sofia

Wed 2/7

18:55-21:40

1 stop4h 45m

£168

LondonBurgas

LHR - BOJ

LHRBOJ

London Heathrow

Wed 25/6

19:30-15:15

1 stop17h 45m

Bourgas

Tue 1/7

09:25-15:40

1 stop8h 15m

£175

LondonBurgas

LHR - BOJ

LHRBOJ

London Heathrow

Sat 28/6

18:30-08:25

1 stop11h 55m

Bourgas

Wed 9/7

18:25-22:40

1 stop6h 15m

£177

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 26/5

22:15-14:30

1 stop14h 15m

Sofia

Mon 2/6

21:15-17:55

1 stop22h 40m

£193

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 43 results
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Best time to book a flight from Heathrow to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Heathrow 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 London Heathrow Airport to Bulgaria

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Bulgaria (average of £88). Flying from London Heathrow Airport to Bulgaria in August is currently the most expensive (average of £311). 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 LHR to BG?

Find hourly flight availability from Heathrow to Bulgaria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

When flying from London Heathrow Airport to Bulgaria, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Bulgaria by month

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

In terms of precipitation, rainfall in Bulgaria ranges from 30.0 - 70.0 inches per month. June is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Bulgaria when rainfall is around 30.0 mm.

Temperature in Bulgaria by month

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

If weather is an important factor for your trip to Bulgaria, 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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated 29 April 2025.
To help decide which airline to fly from London to Bulgaria, see what other customers have to say about Aegean Airlines, KLM and airBaltic. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Crew

8.6

Comfort

7.8

Food

7.3

Entertainment

6.9

Overall

8.1

Boarding

7.8

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
739 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Crew

8.6

Comfort

7.8

Food

7.3

Entertainment

6.9

Overall

8.1

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,333 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Crew

8.6

Comfort

7.8

Food

7.3

Entertainment

6.9

Overall

8.1

Boarding

7.8

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
739 reviews
Check prices

Crew

8.6

Comfort

7.8

Food

7.3

Entertainment

6.9

Overall

8.1

Boarding

7.8

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
1,069 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Crew

8.6

Comfort

7.8

Food

7.3

Entertainment

6.9

Overall

8.1

Boarding

7.8

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
739 reviews
Check prices

Crew

8.6

Comfort

7.8

Food

7.3

Entertainment

6.9

Overall

8.1

Boarding

7.8

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 Heathrow to Bulgaria. 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 London Heathrow Airport to Bulgaria one-way?

    One-way options have recently been found by users for as low as £71 on British Airways. Other airlines that offer cheap prices include Air Serbia from £82 and Aegean Airlines from £110 one-way.

  • What are the most popular routes from London Heathrow Airport to Bulgaria?

    While some choose either London Heathrow - Bourgas or London Heathrow - Varna, London Heathrow - Sofia is the most popular route from London Heathrow Airport to Bulgaria.

  • What are the most reliable airlines from London Heathrow Airport to Bulgaria?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Bulgaria are Bulgaria Air (85%), American Airlines (81%) and British Airways (81%).

  • What are the cheapest flights from London Heathrow Airport to Bulgaria?

    Looking at all options, your cheapest flight can be booked for £97. While the most popular route (London Heathrow - Sofia) can be booked for £135 on average our data indicates £236 when flying from London Heathrow Airport to Bulgaria.

  • Can I find deals for flights from Heathrow to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Heathrow to Bulgaria flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Bulgaria.

  • Can I find deals for business class flights from Heathrow to Bulgaria?

    Yes. Cheapflights offers flight deals from Heathrow to Bulgaria 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 London Heathrow Airport to Bulgaria?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Bulgaria (average of £88). Flying from London Heathrow Airport to Bulgaria in August is currently the most expensive (average of £311). 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

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Alternative routes for Heathrow to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Heathrow to Bulgaria

Discover the top 10 airlines that operate flights from Heathrow to Bulgaria. 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£15Average£84FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£41Average£211FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Wizz AirCheapest£55Average£263FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
British AirwaysCheapest£92Average£198FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£136Average£244FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£140Average£222FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapest£145Average£207FlexibilityNo cancel feeOn-time75%
Search KLM flights
Austrian AirlinesCheapest£154Average£255FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Bulgaria AirCheapest£165Average£299FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
EurowingsCheapest£301Average£448FlexibilityNo cancel feeOn-time87%
Search Eurowings flights

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How does Cheapflights help users find flights from Heathrow to Bulgaria?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Bulgaria?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bulgaria from Heathrow.

Can Cheapflights find flights from Heathrow to Bulgaria with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Bulgaria flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Bulgaria become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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