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Cheap flights from London Heathrow Airport to Bulgaria from £64

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£133

One-way from

£64

Popular in

August

Cheapest in

November

Average price

£90

Good round-trip deal

£209 or less

Good one-way deal

£125 or less
Air Serbia
  • Air Serbia
  • 17/9-25/9
  • 2 total stops
  • 33h 50m total
  • London to Bulgaria
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British Airways
  • British Airways
  • 1/9
  • Nonstop
  • 3h 10m total
  • London to Bulgaria
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 2025.

Tue 2/1211:55LHR - SOF
Nonstop3h 10mBritish Airways
Sat 6/1212:05SOF - LHR
Nonstop3h 45mBritish Airways
Deal found 25/3£109
Tue 2/1211:55LHR - SOF
Nonstop3h 10mMultiple Airlines
Sat 6/1205:00SOF - LHR
1 stop9h 20mMultiple Airlines
Deal found 25/3£118
Wed 17/913:30LHR - SOF
1 stop11h 25mAir Serbia
Thu 25/916:05SOF - LHR
1 stop22h 25mAir Serbia
Deal found 24/3£133
Thu 8/509:00LHR - SOF
1 stop12h 00mLufthansa
Thu 15/512:45SOF - LHR
1 stop7h 40mLufthansa
Deal found 24/3£146
Thu 8/520:25LHR - VAR
1 stop10h 35mLufthansa
Mon 12/512:20VAR - LHR
1 stop6h 45mLufthansa
Deal found 24/3£159
Fri 30/519:30LHR - SOF
1 stop17h 50mAustrian Airlines
Mon 2/618:55SOF - LHR
1 stop15h 25mAustrian Airlines
Deal found 25/3£166
Wed 4/618:40LHR - SOF
1 stop13h 25mSWISS
Tue 8/713:15SOF - LHR
2 stops10h 15mSWISS
Deal found 24/3£193
Thu 3/406:30LHR - SOF
1 stop5h 20mLOT
Mon 14/405:20SOF - LHR
1 stop14h 00mLOT
Deal found 24/3£195
Sun 31/819:25LHR - VAR
1 stop5h 55mAir Serbia
Sat 6/904:30VAR - LHR
1 stop10h 00mAir Serbia
Deal found 24/3£197
Tue 12/812:10LHR - VAR
1 stop6h 00mSWISS
Tue 19/821:00VAR - LHR
1 stop24h 20mSWISS
Deal found 24/3£201
Mon 1/917:55LHR - SOF
Nonstop3h 20mBulgaria Air
Sun 14/906:25SOF - LHR
Nonstop3h 40mBulgaria Air
Deal found 25/3£219
Wed 1/1006:55LHR - BOJ
1 stop8h 40mLufthansa
Tue 7/1009:25BOJ - LHR
1 stop7h 15mLufthansa
Deal found 24/3£221

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 25 March 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

Wed 17/9

13:30-02:55

1 stop11h 25m

Sofia

Thu 25/9

16:05-12:30

1 stop22h 25m

£133

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 19/9

08:20-13:30

Nonstop3h 10m

Sofia

Sun 21/9

16:05-12:30

1 stop22h 25m

£140

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 8/5

09:00-23:00

1 stop12h 00m

Sofia

Thu 15/5

12:45-18:25

1 stop7h 40m

£146

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Thu 8/5

20:25-09:00

1 stop10h 35m

Varna

Mon 12/5

12:20-17:05

1 stop6h 45m

£159

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 30/5

19:30-15:20

1 stop17h 50m

Sofia

Mon 2/6

18:55-08:20

1 stop15h 25m

£166

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 22/4

06:00-10:05

1 stop26h 05m

Sofia

Tue 29/4

12:45-19:20

2 stops32h 35m

£186

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 30/4

15:25-20:40

Nonstop3h 15m

Sofia

Sun 11/5

21:10-22:25

Nonstop3h 15m

£195

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Sun 31/8

19:25-03:20

1 stop5h 55m

Varna

Sat 6/9

04:30-12:30

1 stop10h 00m

£197

LondonVarna

LHR - VAR

LHRVAR

London Heathrow

Tue 12/8

12:10-20:10

1 stop6h 00m

Varna

Tue 19/8

21:00-19:20

1 stop24h 20m

£201

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 14/4

18:10-13:50

1 stop17h 40m

Sofia

Fri 18/4

18:40-09:20

1 stop16h 40m

£214

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 42 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 25 March 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 25 March 2025.
To help decide which airline to fly from London to Bulgaria, see what other customers have to say about Aegean Airlines, KLM and LOT. 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
729 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Crew

8.6

Food

7.3

Entertainment

6.9

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
729 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Crew

8.6

Food

7.3

Entertainment

6.9

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
1,318 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Crew

8.6

Food

7.3

Entertainment

6.9

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
1,061 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Crew

8.6

Food

7.3

Entertainment

6.9

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
7.5
Good
769 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Crew

8.6

Food

7.3

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,569 reviews
Aegean Airlines
8.1
Very Good
729 reviews
Check prices

Comfort

7.8

Boarding

7.8

Overall

8.1

Crew

8.6

Food

7.3

Entertainment

6.9

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 £64 on British Airways. Other airlines that offer cheap prices include Aegean Airlines from £71 and Air Serbia from £81 one-way.

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

    While some choose either London Heathrow - Varna or London Heathrow - Bourgas, 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 American Airlines (83%), Bulgaria Air (83%) and British Airways (83%).

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

    Looking at all options, your cheapest flight can be booked for £87. While the most popular route (London Heathrow - Sofia) can be booked for £130 on average our data indicates £192 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

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£42Average£217FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Air SerbiaCheapest£55Average£158FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
Wizz AirCheapest£62Average£278FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
British AirwaysCheapest£94Average£200FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£139Average£233FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£145Average£226FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapest£150Average£213FlexibilityNo cancel feeOn-time75%
Search KLM flights
Austrian AirlinesCheapest£158Average£243FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Bulgaria AirCheapest£173Average£258FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
SWISSCheapest£176Average£200FlexibilityNo cancel feeOn-time79%
Search SWISS flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Heathrow to Bulgaria via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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