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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — LHR
27 Dec — 3 Jan1
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 27 November 2025.

Sat 6/1212:05SOF - LHR
Nonstop3h 45mBritish Airways
Sun 7/1207:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 25/11£115
Mon 22/1217:25SOF - LHR
Nonstop3h 30mBritish Airways
Wed 31/1214:55LHR - SOF
Nonstop3h 15mBritish Airways
Deal found 26/11£120
Wed 10/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Wed 31/1214:55LHR - SOF
Nonstop3h 15mBritish Airways
Deal found 26/11£126
Wed 3/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Sun 7/1207:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 25/11£131
Mon 8/1217:25SOF - LHR
Nonstop3h 30mBritish Airways
Wed 31/1214:55LHR - SOF
Nonstop3h 15mBritish Airways
Deal found 26/11£132
Mon 1/1217:25SOF - LHR
Nonstop3h 30mBritish Airways
Sun 7/1207:50LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 25/11£136
Wed 24/1214:35SOF - LHR
1 stop21h 00mLOT
Wed 31/1218:20LHR - SOF
1 stop21h 30mLOT
Deal found 26/11£142
Wed 10/1218:35SOF - LHR
1 stop24h 45mLOT
Wed 31/1206:30LHR - SOF
1 stop9h 20mLOT
Deal found 26/11£145
Mon 22/1218:35SOF - LHR
1 stop5h 25mLOT
Wed 31/1206:30LHR - SOF
1 stop9h 20mLOT
Deal found 25/11£147
Tue 23/1218:35SOF - LHR
1 stop17h 00mLOT
Tue 30/1206:30LHR - SOF
1 stop5h 20mLOT
Deal found 25/11£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 27 November 2025.

Round-trip from

£114

One-way from

£48

Popular in

September

Cheapest in

February

Average price

£168

Good round-trip deal

£52 or less

Good one-way deal

£73 or less
British Airways
  • British Airways
  • 26/1-31/1
  • Nonstop
  • 6h 40m total
  • Sofia to London
British Airways
  • British Airways
  • 18/3
  • Nonstop
  • 3h 30m total
  • Sofia to London
Highest demand for flights based on searches. 9% potential increase in price (£15 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Sofia to London Heathrow.
Price to beat on a one-way flight from Sofia to London Heathrow.

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 27 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

Mon 26/1

17:25-18:55

Nonstop3h 30m

London Heathrow

Sat 31/1

06:05-11:15

Nonstop3h 10m

£114

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 6/12

12:05-13:50

Nonstop3h 45m

London Heathrow

Sun 7/12

07:50-13:00

Nonstop3h 10m

£115

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 25/1

20:20-17:55

1 stop23h 35m

London Heathrow

Fri 30/1

22:15-14:25

1 stop14h 10m

£123

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 22/1

16:00-12:20

1 stop22h 20m

London Heathrow

Mon 26/1

13:20-15:30

1 stop24h 10m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 18/1

16:00-12:20

1 stop22h 20m

London Heathrow

Wed 21/1

13:20-03:05

1 stop11h 45m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 27/2

16:05-12:20

1 stop22h 15m

London Heathrow

Sun 1/3

13:20-15:30

1 stop24h 10m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 7/3

05:00-12:20

1 stop9h 20m

London Heathrow

Wed 11/3

13:20-03:05

1 stop11h 45m

£126

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 8/1

20:20-17:55

1 stop23h 35m

London Heathrow

Thu 15/1

22:15-19:30

1 stop19h 15m

£143

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 10/12

18:35-17:20

1 stop24h 45m

London Heathrow

Wed 31/12

06:30-17:50

1 stop9h 20m

£145

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 28/2

05:00-12:20

1 stop9h 20m

London Heathrow

Mon 2/3

13:20-15:30

1 stop24h 10m

£145

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 19 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, November is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of £61). Flying from Sofia to London Heathrow Airport in October is currently the most expensive (average of £183). 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 27 November 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Sofia to London Heathrow Airport by exploring options for tickets in the evening.

How much does it cost for a return flight from Sofia to London Heathrow Airport?

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 27 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.

Crew

8.2

Entertainment

6.9

Overall

7.5

Food

7.1

Boarding

7.6

Comfort

7.5

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

Crew

8.2

Entertainment

6.9

Overall

7.5

Food

7.1

Boarding

7.6

Comfort

7.5

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 30m. 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 £127. Another airline that can offer you cheap pricing is Bulgaria Air. These flights start at 36% 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 (78%), Bulgaria Air (71%) or American Airlines (65%) 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 £41. While the most popular route (Sofia - London Heathrow) can be booked for £118 on average, our data indicates £142 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, November is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of £61). Flying from Sofia to London Heathrow Airport in October is currently the most expensive (average of £183). 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
Slough
Croydon
Hounslow
Northampton
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
Swindon
Crawley
Romford
Chichester
Bedford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sofia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LOTCheapest£127Average£175FlexibilityNo cancel feeOn-time81%
Search LOT flights
Bulgaria AirCheapest£154Average£203FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights

Fly with Cheapflights

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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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