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Cheap flights from London Heathrow Airport to Bulgaria from £65

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Heathrow to Bulgaria

Enter your travel dates to find the best prices.

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 14 November 2025.

Sat 29/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Sat 6/1212:05SOF - LHR
Nonstop3h 45mBritish Airways
Deal found 12/11£100
Sat 29/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Wed 10/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 13/11£131
Tue 25/1122:15LHR - SOF
1 stop14h 45mAegean Airlines
Tue 9/1220:20SOF - LHR
1 stop23h 35mAegean Airlines
Deal found 13/11£138
Sat 15/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Mon 17/1117:25SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 12/11£139
Wed 3/1206:35LHR - SOF
1 stop4h 40mLufthansa
Wed 17/1214:00SOF - LHR
1 stop10h 55mLufthansa
Deal found 12/11£147
Tue 2/1206:35LHR - SOF
1 stop4h 40mLufthansa
Wed 17/1214:00SOF - LHR
1 stop10h 55mLufthansa
Deal found 12/11£148
Sat 29/1106:35LHR - SOF
1 stop4h 40mLufthansa
Sun 14/1214:00SOF - LHR
1 stop6h 35mLufthansa
Deal found 13/11£150
Sat 29/1106:35LHR - SOF
1 stop4h 40mLufthansa
Wed 10/1206:05SOF - LHR
1 stop11h 45mLufthansa
Deal found 13/11£152
Thu 27/1106:35LHR - SOF
1 stop4h 40mLufthansa
Sun 30/1106:05SOF - LHR
1 stop6h 20mLufthansa
Deal found 12/11£153
Sat 22/1111:10LHR - SOF
1 stop5h 10mLufthansa
Wed 26/1114:00SOF - LHR
1 stop10h 55mLufthansa
Deal found 12/11£154
Fri 12/1206:30LHR - SOF
1 stop5h 20mLOT
Mon 15/1214:35SOF - LHR
1 stop21h 00mLOT
Deal found 12/11£155
Sat 6/1206:05LHR - SOF
Nonstop3h 10mBritish Airways
Sun 7/1214:30SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 13/11£156

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 14 November 2025.

Round-trip from

£100

One-way from

£65

Popular in

July

Cheapest in

November

Average price

£65

Good round-trip deal

£158 or less

Good one-way deal

£72 or less
British Airways
  • British Airways
  • 29/11-6/12
  • Nonstop
  • 6h 55m total
  • London to Bulgaria
Search Deals
15/1
  • 15/1
  • 1 total stop
  • 9h 45m total
  • London to Bulgaria
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Bulgaria.
Search Deals
Price to beat on a one-way flight from London Heathrow to Bulgaria.
Search Deals

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 14 November 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

Sat 14/3

06:05-11:15

Nonstop3h 10m

Sofia

Sun 15/3

14:30-16:00

Nonstop3h 30m

£145

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 3/12

06:35-13:15

1 stop4h 40m

Sofia

Wed 17/12

14:00-22:55

1 stop10h 55m

£147

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 17/3

06:35-13:15

1 stop4h 40m

Sofia

Tue 31/3

19:25-22:40

1 stop5h 15m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 4/3

13:50-22:45

1 stop6h 55m

Sofia

Wed 18/3

19:05-22:55

1 stop5h 50m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 3/3

06:35-13:15

1 stop4h 40m

Sofia

Mon 16/3

13:45-17:05

1 stop5h 20m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 17/3

06:35-13:15

1 stop4h 40m

Sofia

Sat 21/3

06:05-15:50

1 stop11h 45m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 12/12

06:30-13:50

1 stop5h 20m

Sofia

Sun 14/12

18:35-09:35

1 stop17h 00m

£157

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 18/3

13:20-15:30

1 stop24h 10m

Sofia

Thu 2/4

16:05-12:35

1 stop22h 30m

£157

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 11/12

06:35-13:15

1 stop4h 40m

Sofia

Thu 25/12

14:00-18:35

1 stop6h 35m

£157

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 2/4

13:30-15:35

1 stop24h 05m

Sofia

Mon 6/4

16:05-12:35

1 stop22h 30m

£158

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 41 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 £41). Flying from London Heathrow Airport to Bulgaria in July is currently the most expensive (average of £169). 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 14 November 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 41% on flights from London Heathrow Airport to Bulgaria by exploring options for tickets at midday.

What is the cheapest day to fly from London Heathrow Airport to Bulgaria?

Use this chart to determine the cheapest time to fly return from Heathrow to Bulgaria. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Bulgaria flight should consider departing on Monday at midday when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 14 November 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Bulgaria, such as Austrian Airlines, LOT, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
868 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
868 reviews
Austrian Airlines
7.6
Good
868 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
LOT
7.5
Good
1,134 reviews
Austrian Airlines
7.6
Good
868 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,572 reviews
Austrian Airlines
7.6
Good
868 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,517 reviews
Austrian Airlines
7.6
Good
868 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

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.

  • How long is the flight from London Heathrow Airport to Bulgaria?

    There are many flights that can get you from London Heathrow Airport to Bulgaria in 3h 10m. Fly via British Airways, Lufthansa, or Austrian Airlines to get the fastest option. The distance from London Heathrow Airport to Bulgaria is about 1267 mi. This flight may include one or multiple stops.

  • 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 Bulgaria Air (86%), American Airlines (63%) and British Airways (56%).

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

    Looking at all options, your cheapest flight can be booked for £70. While the most popular route (London Heathrow - Sofia) can be booked for £100 on average, our data indicates £172 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 £41). Flying from London Heathrow Airport to Bulgaria in July is currently the most expensive (average of £169). 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 9 airlines flying from Heathrow to Bulgaria

Discover the top 9 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£37Average£111FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Air SerbiaCheapest£54Average£146FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
RyanairCheapest£60Average£85FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£101Average£197FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£145Average£239FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£146Average£248FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Bulgaria AirCheapest£160Average£293FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
Austrian AirlinesCheapest£160Average£267FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
EurowingsCheapest£306Average£484FlexibilityNo cancel feeOn-time87%
Search Eurowings flights

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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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