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Cheap flights from London Heathrow Airport to Sofia 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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
31 Aug — 7 Sep1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or March, booked 59 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 26 August 2025.

Round-trip from

£104

One-way from

£64

Popular in

December

Cheapest in

November

Average price

£239

Good round-trip deal

£191 or less

Good one-way deal

£132 or less
British Airways
  • British Airways
  • 23/11-30/11
  • Nonstop
  • 6h 40m total
  • London to Sofia
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British Airways
  • British Airways
  • 1/2
  • Nonstop
  • 3h 10m total
  • London to Sofia
Search Deals
High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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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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Find flight deals from Heathrow to Sofia

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 26 August 2025.

Sun 23/1107:50LHR - SOF
Nonstop3h 10mBritish Airways
Sun 30/1114:30SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 24/8£104
Wed 5/1114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 19/1121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 24/8£109
Sat 6/1206:05LHR - SOF
Nonstop3h 10mBritish Airways
Sun 7/1214:30SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 25/8£111
Wed 5/1122:15LHR - SOF
1 stop10h 10mMultiple Airlines
Wed 19/1121:00SOF - LHR
Nonstop3h 30mMultiple Airlines
Deal found 24/8£113
Fri 21/1119:00LHR - SOF
1 stop17h 25mAegean Airlines
Sun 23/1120:20SOF - LHR
1 stop23h 35mAegean Airlines
Deal found 25/8£121
Fri 14/1119:00LHR - SOF
1 stop17h 25mAegean Airlines
Sun 16/1120:20SOF - LHR
1 stop26h 55mAegean Airlines
Deal found 25/8£123
Fri 14/1119:00LHR - SOF
1 stop17h 25mMultiple Airlines
Sun 16/1114:30SOF - LHR
Nonstop3h 30mMultiple Airlines
Deal found 25/8£128
Mon 24/1111:35LHR - SOF
1 stop10h 00mMultiple Airlines
Mon 8/1217:25SOF - LHR
Nonstop3h 30mMultiple Airlines
Deal found 25/8£130
Wed 17/915:25LHR - SOF
Nonstop3h 15mBritish Airways
Mon 3/1117:25SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 25/8£133
Wed 1/1015:25LHR - SOF
Nonstop3h 15mBritish Airways
Sun 5/1021:10SOF - LHR
Nonstop3h 15mBritish Airways
Deal found 24/8£136
Wed 10/915:25LHR - SOF
Nonstop3h 15mBritish Airways
Mon 3/1117:25SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 25/8£138

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 26 August 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

Mon 1/12

17:25-18:55

Nonstop3h 30m

£104

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 23/11

07:50-13:00

Nonstop3h 10m

Sofia

Sun 30/11

14:30-16:00

Nonstop3h 30m

£104

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 5/11

14:55-20:10

Nonstop3h 15m

Sofia

Wed 19/11

21:00-22:30

Nonstop3h 30m

£109

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 6/12

06:05-11:15

Nonstop3h 10m

Sofia

Sun 7/12

14:30-16:00

Nonstop3h 30m

£111

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 5/11

22:15-10:25

1 stop10h 10m

Sofia

Wed 19/11

21:00-22:30

Nonstop3h 30m

£113

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 21/11

19:00-14:25

1 stop17h 25m

Sofia

Sun 23/11

20:20-17:55

1 stop23h 35m

£121

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 24/11

11:10-16:20

Nonstop3h 10m

Sofia

Mon 8/12

17:25-18:55

Nonstop3h 30m

£121

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 14/11

19:00-14:25

1 stop17h 25m

Sofia

Sun 16/11

20:20-21:15

1 stop26h 55m

£123

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 1/2

07:50-13:00

Nonstop3h 10m

Sofia

Mon 9/2

17:25-18:55

Nonstop3h 30m

£124

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 14/11

19:00-14:25

1 stop17h 25m

Sofia

Sun 16/11

14:30-16:00

Nonstop3h 30m

£128

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 22 results
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2
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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 22 August 2025.

The best time to book flights from London Heathrow Airport to Sofia is 59 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 £88). Flying from London Heathrow Airport to Sofia 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 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 26 August 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 21% versus a flight in the afternoon.

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 24 August 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.

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 26 August 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
1,111 reviews
Check prices

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.6
Good
1,111 reviews
LOT
7.6
Good
1,111 reviews
Check prices

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Austrian Airlines
7.6
Good
836 reviews
LOT
7.6
Good
1,111 reviews
Check prices

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Lufthansa
6.8
Okay
7,359 reviews
LOT
7.6
Good
1,111 reviews
Check prices

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
British Airways
6.7
Okay
7,309 reviews
LOT
7.6
Good
1,111 reviews
Check prices

Entertainment

7.0

Overall

7.6

Boarding

7.6

Crew

8.2

Comfort

7.5

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

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 1 inbound flight 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 £36 on this airline. Additional options worth looking into are Ryanair and Air Serbia, starting at £43 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 (91%), American Airlines (69%) and British Airways (69%).

  • 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 £326, our data indicates the cheapest price to be £85. The most popular route (London Heathrow - Sofia), is priced around £104.

  • 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 £88). Flying from London Heathrow Airport to Sofia 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

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.
Luton to Sofia flights
Gatwick to Sofia flights
Stansted 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 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£36Average£106FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
RyanairCheapest£43Average£83FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Air SerbiaCheapest£53Average£152FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
British AirwaysCheapest£97Average£195FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£138Average£204FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£139Average£189FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Bulgaria AirCheapest£154Average£228FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
Austrian AirlinesCheapest£156Average£200FlexibilityNo 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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