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Cheap flights from London Heathrow Airport to Sofia 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

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or March, booked 83 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 29 April 2025.

Round-trip from

£124

One-way from

£71

Popular in

December

Cheapest in

November

Average price

£205

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 Sofia
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British Airways
  • British Airways
  • 3/9
  • Nonstop
  • 3h 15m total
  • London to Sofia
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High demand for flights, 5% 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 April 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 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
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
Mon 26/522:15LHR - SOF
1 stop14h 15mAegean Airlines
Mon 2/621:15SOF - LHR
1 stop22h 40mAegean Airlines
Deal found 28/4£193
Mon 30/617:55LHR - SOF
Nonstop3h 20mBulgaria Air
Sat 12/706:25SOF - LHR
Nonstop3h 40mBulgaria Air
Deal found 28/4£220
Sat 21/610:15LHR - SOF
1 stop25h 35mLOT
Sun 29/618:40SOF - LHR
1 stop24h 40mLOT
Deal found 28/4£240

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 29 April 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

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

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

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

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 28/5

17:55-23:15

Nonstop3h 20m

Sofia

Sat 7/6

06:25-08:05

Nonstop3h 40m

£211

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 27/5

18:10-02:00

1 stop5h 50m

Sofia

Fri 6/6

05:20-09:20

1 stop6h 00m

£228

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 17/6

17:10-12:05

2 stops16h 55m

Sofia

Fri 27/6

18:00-07:40

2 stops15h 40m

£259

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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 25 April 2025.

The best time to book flights from London Heathrow Airport to Sofia is 83 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 29 April 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 12% 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 30 March 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.

Rainfall in Sofia by month

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

In terms of precipitation, rainfall in Sofia 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 Sofia when rainfall is around 30.0 mm.

Temperature in Sofia by month

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

If weather is an important factor for your trip to Sofia, 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 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 29 April 2025.
Read reviews from past customers who have flown Aegean Airlines, KLM and LOT from London to Sofia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Entertainment

6.9

Crew

8.6

Overall

8.1

Comfort

7.8

Boarding

7.8

Food

7.3

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

Entertainment

6.9

Crew

8.6

Overall

8.1

Comfort

7.8

Boarding

7.8

Food

7.3

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

Entertainment

6.9

Crew

8.6

Overall

8.1

Comfort

7.8

Boarding

7.8

Food

7.3

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

Entertainment

6.9

Crew

8.6

Overall

8.1

Comfort

7.8

Boarding

7.8

Food

7.3

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

Entertainment

6.9

Crew

8.6

Overall

8.1

Comfort

7.8

Boarding

7.8

Food

7.3

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
1,588 reviews
Aegean Airlines
8.1
Very Good
739 reviews
Check prices

Entertainment

6.9

Crew

8.6

Overall

8.1

Comfort

7.8

Boarding

7.8

Food

7.3

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 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.

  • 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 British Airways. Our recent data shows that you can find tickets from as low as £124 on this airline. Additional options worth looking into are Air Serbia and Lufthansa, starting at £140 and £153 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 37% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London Heathrow Airport to Sofia one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £71. However, be on the lookout for offers from Air Serbia and Aegean Airlines, as they are both options that can get you from London Heathrow Airport to Sofia for a low price.

  • 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 (81%) and British Airways (81%).

  • 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 £236, our data indicates the cheapest price to be £97. The most popular route (London Heathrow - Sofia), is priced around £118.

  • 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 London Heathrow Airport?

Book flights to London Heathrow Airport 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.
Gatwick to Sofia flights
Stansted to Sofia flights
London City to Sofia flights
Luton 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£15Average£84FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£41Average£118FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
British AirwaysCheapest£92Average£198FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£136Average£189FlexibilityNo 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£204FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Bulgaria AirCheapest£165Average£253FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights

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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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