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Cheap flights from London Heathrow Airport to Sofia from £61

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
26 Mar — 2 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or January, booked 83 days in advance, depart on a Tuesday or Thursday 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 21 March 2025.

Round-trip from

£136

One-way from

£61

Popular in

December

Cheapest in

November

Average price

£181

Good round-trip deal

£202 or less

Good one-way deal

£96 or less
Air Serbia
  • Air Serbia
  • 19/4-3/5
  • 2 total stops
  • 40h 05m total
  • London to Sofia
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British Airways
  • British Airways
  • 1/9
  • Nonstop
  • 3h 10m total
  • London to Sofia
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in March 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 21 March 2025.

Mon 10/1111:10LHR - SOF
Nonstop3h 10mBritish Airways
Wed 26/1115:00SOF - LHR
Nonstop3h 35mBritish Airways
Deal found 19/3£96
Sat 19/419:55LHR - SOF
1 stop17h 40mAir Serbia
Sat 3/516:05SOF - LHR
1 stop22h 25mAir Serbia
Deal found 20/3£136
Fri 3/1008:20LHR - SOF
Nonstop3h 10mMultiple Airlines
Mon 6/1005:00SOF - LHR
1 stop9h 30mMultiple Airlines
Deal found 20/3£140
Thu 8/513:45LHR - SOF
1 stop7h 15mLufthansa
Tue 20/519:25SOF - LHR
1 stop5h 15mLufthansa
Deal found 20/3£147
Mon 31/322:15LHR - SOF
1 stop14h 15mAegean Airlines
Mon 7/410:50SOF - LHR
1 stop6h 40mAegean Airlines
Deal found 20/3£165
Mon 1/906:00LHR - SOF
1 stop15h 55mAustrian Airlines
Mon 15/918:55SOF - LHR
1 stop15h 50mAustrian Airlines
Deal found 20/3£167
Mon 12/520:05LHR - SOF
1 stop14h 25mSWISS
Wed 14/512:45SOF - LHR
2 stops29h 40mSWISS
Deal found 20/3£187
Thu 3/406:30LHR - SOF
1 stop5h 20mLOT
Mon 14/405:20SOF - LHR
1 stop14h 00mLOT
Deal found 19/3£196
Sat 3/508:55LHR - SOF
Nonstop3h 10mBulgaria Air
Sat 10/506:25SOF - LHR
Nonstop3h 40mBulgaria Air
Deal found 19/3£211

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 21 March 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 19/4

19:55-15:35

1 stop17h 40m

Sofia

Sat 3/5

16:05-12:30

1 stop22h 25m

£136

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 1/9

14:00-19:10

Nonstop3h 10m

Sofia

Mon 15/9

16:05-12:30

1 stop22h 25m

£140

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 8/5

13:45-23:00

1 stop7h 15m

Sofia

Tue 20/5

19:25-22:40

1 stop5h 15m

£147

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 31/3

22:15-14:30

1 stop14h 15m

Sofia

Mon 7/4

10:50-15:30

1 stop6h 40m

£165

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 1/9

06:00-23:55

1 stop15h 55m

Sofia

Mon 15/9

18:55-08:45

1 stop15h 50m

£167

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 12/5

20:05-12:30

1 stop14h 25m

Sofia

Wed 14/5

12:45-16:25

2 stops29h 40m

£187

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 3/4

06:30-13:50

1 stop5h 20m

Sofia

Mon 14/4

05:20-17:20

1 stop14h 00m

£196

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 3/5

08:55-14:05

Nonstop3h 10m

Sofia

Sat 10/5

06:25-08:05

Nonstop3h 40m

£211

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 31/3

14:00-19:10

Nonstop3h 10m

Sofia

Mon 7/4

20:00-21:20

Nonstop3h 20m

£242

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 1/9

14:00-19:10

Nonstop3h 10m

£61

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 19 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 14 March 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 21 March 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 14% 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 16 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 21 March 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
726 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

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
726 reviews
Aegean Airlines
8.1
Very Good
726 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

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
1,319 reviews
Aegean Airlines
8.1
Very Good
726 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

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

Boarding

7.8

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

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
768 reviews
Aegean Airlines
8.1
Very Good
726 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

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
1,567 reviews
Aegean Airlines
8.1
Very Good
726 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

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 9 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 Air Serbia. Our recent data shows that you can find tickets from as low as £136 on this airline. Additional options worth looking into are Lufthansa and Aegean Airlines, starting at £147 and £165 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 32% 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 £61. 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 American Airlines (83%), Bulgaria Air (83%) and British Airways (83%).

  • 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 £178, our data indicates the cheapest price to be £86. The most popular route (London Heathrow - Sofia), is priced around £129.

  • 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.
Luton to Sofia flights
Stansted to Sofia flights
Gatwick to Sofia flights
London City to Sofia flights
Southend to Sofia flights

Top 9 airlines flying from Heathrow to Sofia

Discover the top 9 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 21 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£42Average£119FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Air SerbiaCheapest£55Average£158FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
British AirwaysCheapest£94Average£195FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£137Average£198FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£144Average£225FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapest£149Average£212FlexibilityNo cancel feeOn-time75%
Search KLM flights
Austrian AirlinesCheapest£154Average£202FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Bulgaria AirCheapest£175Average£256FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
SWISSCheapest£175Average£199FlexibilityNo cancel feeOn-time79%
Search SWISS 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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