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Cheap flights from Sofia to London Heathrow Airport from £48

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Sofia to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Sofia to Heathrow
Explore the most affordable flight options available from Sofia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Sat 6/1212:05SOF - LHR
Nonstop3h 45mBritish Airways
Sun 7/1207:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 6/11£105
Sat 29/1112:05SOF - LHR
Nonstop3h 45mBritish Airways
Sat 6/1206:05LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 7/11£105
Mon 24/1114:35SOF - LHR
1 stop9h 25mLOT
Sat 29/1118:20LHR - SOF
1 stop17h 30mLOT
Deal found 7/11£119
Wed 19/1121:00SOF - LHR
Nonstop3h 30mBritish Airways
Sun 23/1107:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 6/11£120
Wed 19/1121:00SOF - LHR
Nonstop3h 30mBritish Airways
Sat 29/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 5/11£121
Sat 29/1112:05SOF - LHR
Nonstop3h 45mMultiple Airlines
Sat 6/1209:55LHR - SOF
1 stop11h 35mMultiple Airlines
Deal found 7/11£123
Mon 24/1118:35SOF - LHR
1 stop17h 00mLOT
Tue 2/1218:20LHR - SOF
1 stop17h 30mLOT
Deal found 5/11£124
Sat 29/1114:35SOF - LHR
1 stop21h 00mLOT
Sat 6/1206:30LHR - SOF
1 stop5h 20mLOT
Deal found 7/11£138
Fri 26/1218:35SOF - LHR
1 stop5h 25mLOT
Wed 31/1206:30LHR - SOF
1 stop5h 20mLOT
Deal found 5/11£142
Fri 5/1220:20SOF - LHR
1 stop26h 55mAegean Airlines
Mon 8/1222:15LHR - SOF
1 stop19h 15mAegean Airlines
Deal found 5/11£143
Thu 20/1105:00SOF - LHR
1 stop9h 20mAir Serbia
Sun 23/1113:20LHR - SOF
1 stop24h 10mAir Serbia
Deal found 6/11£147
Wed 19/1118:35SOF - LHR
1 stop5h 25mLOT
Sat 29/1118:20LHR - SOF
1 stop17h 30mLOT
Deal found 5/11£149

Cheap flight deals from Sofia to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Heathrow (LHR). 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 7 November 2025.

Round-trip from

£105

One-way from

£48

Popular in

September

Cheapest in

November

Average price

£137

Good round-trip deal

£134 or less

Good one-way deal

£96 or less
British Airways
  • British Airways
  • 6/12-7/12
  • Nonstop
  • 6h 55m total
  • Sofia to London
Search Deals
Aegean Airlines
  • Aegean Airlines
  • 5/12
  • 1 total stop
  • 26h 55m total
  • Sofia to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Sofia to London Heathrow.
Search Deals
Price to beat on a one-way flight from Sofia to London Heathrow.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Sofia to Heathrow 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 7 November 2025.
Use the filters below to find and compare flights from Sofia to London Heathrow Airport that are best for you.

Fly from

Sofia

Fly to

Heathrow

Route

Depart

Return

Price

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 29/11

12:05-13:50

Nonstop3h 45m

London Heathrow

Sat 6/12

06:05-11:15

Nonstop3h 10m

£105

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 14/1

20:20-21:15

1 stop26h 55m

London Heathrow

Sun 18/1

22:15-10:25

1 stop10h 10m

£124

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 28/1

21:00-22:30

Nonstop3h 30m

London Heathrow

Sat 31/1

06:05-11:15

Nonstop3h 10m

£127

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 28/1

21:00-22:30

Nonstop3h 30m

London Heathrow

Sun 1/2

07:50-13:00

Nonstop3h 10m

£127

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 10/4

16:05-12:35

1 stop22h 30m

London Heathrow

Mon 13/4

13:30-15:35

1 stop24h 05m

£128

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 20/11

05:00-12:20

1 stop9h 20m

London Heathrow

Sun 23/11

13:20-15:30

1 stop24h 10m

£147

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 24/11

16:00-12:20

1 stop22h 20m

London Heathrow

Sat 29/11

06:05-11:15

Nonstop3h 10m

£149

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 30/1

06:05-10:25

1 stop6h 20m

London Heathrow

Wed 4/2

11:10-18:20

1 stop5h 10m

£154

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 22/12

14:35-22:00

1 stop9h 25m

London Heathrow

Mon 29/12

06:30-13:50

1 stop5h 20m

£159

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 31/1

14:00-17:05

1 stop5h 05m

London Heathrow

Mon 2/2

09:05-18:00

1 stop6h 55m

£160

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 18 results
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Best time to book a flight from Sofia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sofia 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 Sofia to London Heathrow Airport

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

Currently, September is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of £86). Flying from Sofia to London Heathrow Airport in May is currently the most expensive (average of £177). 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 SOF to LHR?

Find hourly flight availability from Sofia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from Sofia to London Heathrow Airport by exploring options for tickets in the evening.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 7 November 2025.
See what other customers who have flown with LOT from Sofia to London Heathrow Airport 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
1,135 reviews
Check prices

Boarding

7.6

Crew

8.2

Overall

7.6

Comfort

7.5

Food

7.1

Entertainment

6.9

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
1,135 reviews
LOT
7.6
Good
1,135 reviews
Check prices

Boarding

7.6

Crew

8.2

Overall

7.6

Comfort

7.5

Food

7.1

Entertainment

6.9

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 Sofia to Heathrow. 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 from for flights from Sofia to London Heathrow?

    For a flight from Sofia to London Heathrow, you will be flying from Sofia. Sofia (SOF) is just 4.2 mi from the center of the city. Sofia is the only Sofia airport and it handles 0 outbound flights to London Heathrow per day. 2 airlines have flights to London Heathrow from Sofia on a regular basis.

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

    Departing from Sofia to London Heathrow Airport will take you 3h 45m. Sofia and London Heathrow Airport are separated by a distance of 1267 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Sofia to London Heathrow Airport round-trip from £128. Another airline that can offer you cheap pricing is Bulgaria Air. These flights start at 32% lower than the current average price 3 months from now.

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

    Consider British Airways (77%), Bulgaria Air (69%) or American Airlines (54%) when booking your flight. These represent the most reliable airlines when flying from Sofia to London Heathrow Airport.

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

    Looking at all options, your cheapest flight can be booked for £48. While the most popular route (Sofia - London Heathrow) can be booked for £105 on average, our data indicates £147 when flying from Sofia to London Heathrow Airport.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of £86). Flying from Sofia to London Heathrow Airport in May is currently the most expensive (average of £177). 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
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sofia to Heathrow

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

Top 2 airlines flying from Sofia to Heathrow

Discover the top 2 airlines that operate flights from Sofia to Heathrow. 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest£128Average£177FlexibilityNo cancel feeOn-time81%
Search LOT flights
Bulgaria AirCheapest£156Average£204FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Sofia to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Sofia.

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

Certainly. Search results for flights to Heathrow from Sofia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Sofia to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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