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Cheap flights from London Heathrow Airport to Sofia from £69

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
23 Apr — 30 Apr1
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 18 April 2025.

Round-trip from

£122

One-way from

£69

Popular in

December

Cheapest in

November

Average price

£206

Good round-trip deal

£208 or less

Good one-way deal

£127 or less
Air Serbia
  • Air Serbia
  • 28/9-4/10
  • 1 total stop
  • 8h 10m 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, 4% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (£7 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 18 April 2025.

Wed 19/1109:00LHR - SOF
Nonstop3h 10mBritish Airways
Fri 21/1120:15SOF - LHR
Nonstop3h 35mBritish Airways
Deal found 17/4£97
Wed 19/1119:00LHR - SOF
1 stop13h 30mMultiple Airlines
Fri 21/1120:15SOF - LHR
Nonstop3h 35mMultiple Airlines
Deal found 17/4£117
Sun 29/619:25LHR - SOF
1 stop5h 30mAir Serbia
Sat 9/805:00SOF - LHR
1 stop9h 30mAir Serbia
Deal found 17/4£141
Thu 8/513:45LHR - SOF
1 stop7h 15mLufthansa
Wed 21/519:25SOF - LHR
1 stop5h 15mLufthansa
Deal found 17/4£147
Sun 11/522:15LHR - SOF
1 stop20h 10mAegean Airlines
Fri 16/515:20SOF - LHR
1 stop7h 50mAegean Airlines
Deal found 17/4£151
Fri 9/517:10LHR - SOF
1 stop14h 55mSWISS
Wed 14/510:50SOF - LHR
1 stop7h 35mSWISS
Deal found 18/4£166
Tue 19/806:00LHR - SOF
1 stop10h 10mAustrian Airlines
Tue 26/818:55SOF - LHR
1 stop15h 25mAustrian Airlines
Deal found 17/4£168
Wed 30/417:55LHR - SOF
Nonstop3h 20mBulgaria Air
Sat 3/506:25SOF - LHR
Nonstop3h 40mBulgaria Air
Deal found 17/4£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 18 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

Sun 28/9

15:10-20:20

Nonstop3h 10m

Sofia

Sat 4/10

16:05-19:05

1 stop5h 00m

£122

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 30/4

15:25-20:40

Nonstop3h 15m

Sofia

Wed 14/5

21:30-22:45

Nonstop3h 15m

£123

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 29/6

19:25-02:55

1 stop5h 30m

Sofia

Sat 9/8

05:00-12:30

1 stop9h 30m

£141

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 8/5

13:45-23:00

1 stop7h 15m

Sofia

Wed 21/5

19:25-22:40

1 stop5h 15m

£147

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 11/5

22:15-20:25

1 stop20h 10m

Sofia

Fri 16/5

15:20-21:10

1 stop7h 50m

£151

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 9/5

17:10-10:05

1 stop14h 55m

Sofia

Wed 14/5

10:50-16:25

1 stop7h 35m

£166

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 19/8

06:00-18:10

1 stop10h 10m

Sofia

Tue 26/8

18:55-08:20

1 stop15h 25m

£168

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 30/4

17:55-23:15

Nonstop3h 20m

Sofia

Sat 3/5

06:25-08:05

Nonstop3h 40m

£211

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 1/9

14:00-19:10

Nonstop3h 10m

£69

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 8/5

22:15-14:30

1 stop14h 15m

£72

Flights are sorted by cheapest return flights first.

Deals found on 18/4

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 11 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 18 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 18 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
734 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Food

7.3

Overall

8.1

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
734 reviews
Aegean Airlines
8.1
Very Good
734 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Food

7.3

Overall

8.1

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
1,329 reviews
Aegean Airlines
8.1
Very Good
734 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Food

7.3

Overall

8.1

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
1,065 reviews
Aegean Airlines
8.1
Very Good
734 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Food

7.3

Overall

8.1

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
775 reviews
Aegean Airlines
8.1
Very Good
734 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Food

7.3

Overall

8.1

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
1,581 reviews
Aegean Airlines
8.1
Very Good
734 reviews
Check prices

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Food

7.3

Overall

8.1

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 0 inbound flights from London Heathrow per day from 10 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 £123 on this airline. Additional options worth looking into are Air Serbia and Lufthansa, starting at £141 and £147 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 38% 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 £69. However, be on the lookout for offers from Aegean Airlines and Air Serbia, 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 £211, our data indicates the cheapest price to be £107. The most popular route (London Heathrow - Sofia), is priced around £113.

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

Top 10 airlines flying from Heathrow to Sofia

Discover the top 10 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 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£15Average£84FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Wizz AirCheapest£41Average£117FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Air SerbiaCheapest£54Average£155FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
British AirwaysCheapest£91Average£198FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£137Average£192FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£141Average£221FlexibilityNo cancel feeOn-time81%
Search LOT flights
KLMCheapest£146Average£208FlexibilityNo cancel feeOn-time75%
Search KLM flights
Austrian AirlinesCheapest£154Average£206FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Bulgaria AirCheapest£170Average£256FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
SWISSCheapest£172Average£195FlexibilityNo cancel feeOn-time79%
Search SWISS flights

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How does Cheapflights help users find flights 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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