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Cheap flights from London Heathrow Airport to Sofia from £68

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or January, booked 45 days in advance, depart on a Tuesday or Monday and return on a Thursday

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Cheapest flights from Heathrow to Sofia
Explore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Wed 19/1114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 26/1121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 20/10£101
Sat 15/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Wed 26/1121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 20/10£104
Wed 19/1114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 3/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 20/10£108
Sat 29/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Wed 3/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 20/10£112
Sat 15/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Wed 19/1121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 22/10£114
Fri 21/1122:15LHR - SOF
1 stop14h 10mAegean Airlines
Fri 5/1220:20SOF - LHR
1 stop26h 55mAegean Airlines
Deal found 22/10£117
Sat 22/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Wed 3/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 21/10£119
Sat 22/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Sun 23/1114:30SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 20/10£120
Wed 19/1114:55LHR - SOF
Nonstop3h 15mBritish Airways
Sun 23/1114:30SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 21/10£121
Sat 6/1206:05LHR - SOF
Nonstop3h 10mBritish Airways
Sat 13/1212:05SOF - LHR
Nonstop3h 45mBritish Airways
Deal found 22/10£122

Cheap flight deals from Heathrow to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 October 2025.

Round-trip from

£101

One-way from

£68

Popular in

December

Cheapest in

November

Average price

£204

Good round-trip deal

£165 or less

Good one-way deal

£130 or less
British Airways
  • British Airways
  • 19/11-26/11
  • Nonstop
  • 6h 45m total
  • London to Sofia
Search Deals
4/12
  • 4/12
  • 1 total stop
  • 11h 35m total
  • London to Sofia
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Sofia.
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Price to beat on a one-way flight from London Heathrow to Sofia.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Sofia 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 22 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Sofia that are best for you.

Fly from

Heathrow

Fly to

Sofia

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 29/11

06:05-11:15

Nonstop3h 10m

Sofia

Wed 3/12

21:00-22:30

Nonstop3h 30m

£104

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 22/11

06:05-11:15

Nonstop3h 10m

Sofia

Sat 29/11

12:05-13:50

Nonstop3h 45m

£108

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 15/11

06:05-11:15

Nonstop3h 10m

Sofia

Wed 19/11

21:00-22:30

Nonstop3h 30m

£114

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 19/11

14:55-20:10

Nonstop3h 15m

Sofia

Wed 3/12

21:00-22:30

Nonstop3h 30m

£114

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 6/12

06:05-11:15

Nonstop3h 10m

Sofia

Sat 13/12

12:05-13:50

Nonstop3h 45m

£122

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 23/11

07:50-13:00

Nonstop3h 10m

Sofia

Sat 29/11

12:05-13:50

Nonstop3h 45m

£124

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 15/11

06:05-11:15

Nonstop3h 10m

Sofia

Mon 1/12

17:25-18:55

Nonstop3h 30m

£136

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

£144

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 28/2

06:05-11:15

Nonstop3h 10m

Sofia

Wed 25/3

21:00-22:30

Nonstop3h 30m

£146

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 1/3

07:50-13:00

Nonstop3h 10m

Sofia

Sat 21/3

12:05-13:50

Nonstop3h 45m

£146

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Heathrow to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia 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 Sofia

How far ahead should I book a flight from London Heathrow Airport to Sofia?

Use this chart to determine the optimal time to book a return flight from Heathrow to Sofia. Price data was last updated on 17 October 2025.

The best time to book flights from London Heathrow Airport to Sofia is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £41). Flying from London Heathrow Airport to Sofia in July is currently the most expensive (average of £167). 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 SOF?

Find hourly flight availability from Heathrow to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2025.

When flying from London Heathrow Airport to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 42% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Sofia. Price data was last updated on 19 October 2025.

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

How much does it cost for a return flight from London Heathrow Airport to Sofia?

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated 22 October 2025.
See what other customers who have flown with LOT, Austrian Airlines, andLufthansa from London Heathrow Airport to Sofia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,132 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sept 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
LOT
7.6
Good
1,132 reviews
LOT
7.6
Good
1,132 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sept 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Austrian Airlines
7.6
Good
861 reviews
LOT
7.6
Good
1,132 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sept 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
Lufthansa
6.8
Okay
7,507 reviews
LOT
7.6
Good
1,132 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sept 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed
British Airways
6.7
Okay
7,466 reviews
LOT
7.6
Good
1,132 reviews
Check prices

Entertainment

6.9

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.1

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Enver,Sept 2025

TGD - WAW

We ware in the plane for two hours before takeoff waiting and one hour after takeoff we landed

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from London Heathrow?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from London Heathrow. On average, Sofia has 0 inbound flights from London Heathrow per day from 8 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

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

    Airlines like British Airways fly from London Heathrow Airport to Sofia in about 3h 10m. The time it takes to get you to your destination is usually consistent. The distance between London Heathrow Airport and Sofia is about 1267 mi. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from London Heathrow Airport to Sofia round-trip?

    Our cheapest airline available from London Heathrow Airport to Sofia is Wizz Air. Our recent data shows that you can find tickets from as low as £37 on this airline. Additional options worth looking into are Ryanair and Air Serbia, starting at £44 and £53 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 81% less than the average price by searching for these airlines.

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Sofia are Bulgaria Air (85%), American Airlines (70%) and British Airways (70%).

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

    Looking for the cheapest flight from London Heathrow Airport to Sofia? While on average our users pay £174, our data indicates the cheapest price to be £69. The most popular route (London Heathrow - Sofia), is priced around £111.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Sofia 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 Sofia?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £41). Flying from London Heathrow Airport to Sofia in July is currently the most expensive (average of £167). 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 Sofia?

Book flights to Sofia if you plan to visit one of these locations
Velingrad

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Alternative routes for Heathrow to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Stansted to Sofia flights
Luton to Sofia flights
Gatwick to Sofia flights
London City to Sofia flights
Southend to Sofia flights

Top 8 airlines flying from Heathrow to Sofia

Discover the top 8 airlines that operate flights from Heathrow to Sofia. 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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£37Average£109FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
RyanairCheapest£44Average£84FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Air SerbiaCheapest£53Average£143FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
British AirwaysCheapest£98Average£196FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£140Average£217FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£143Average£202FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Bulgaria AirCheapest£157Average£232FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
Austrian AirlinesCheapest£158Average£201FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

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

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

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

Need flexible booking options for your flight to Sofia from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Heathrow to Sofia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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