What is the most punctual flight time for Sofia to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What’s the fastest stopover option from Sofia to London Heathrow Airport?

Flights via Vienna (VIE) have the shortest average one-way travel time for one-stop routes: 4h 45m.

What’s the cheapest stopover airport for flights from Sofia to London Heathrow Airport?

Warsaw (WAW) is the most affordable one-stop option, with an average return flight price of £228.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Sofia to London flights?

Over the past year, Bulgaria Air have had the lowest number of delays on this route, with just 14% of flights being delayed.

How often are flights from Sofia to London delayed?

About 16% of weekly flights between Sofia and London have experienced delays in the past year, with the average delay time being 99 minutes.

What’s the top stopover airport for flights from Sofia to London Heathrow Airport?

Vienna (VIE) – chosen by Cheapflights users on 50% of one-stop itineraries from Sofia to London Heathrow Airport on Cheapflights.

Which airport typically offers the quickest stopover for flights from Sofia to London Heathrow Airport?

Flights via Warsaw (WAW) offer the fastest connection on this route, with an average stopover time of 0h 55m.

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

Departing from Sofia to London Heathrow Airport will take you 3h 20m. 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 £88. Another airline that can offer you cheap pricing is Bulgaria Air. These flights start at 52% lower than the current average price 3 months from now.

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

£51 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on British Airways and Bulgaria Air, with prices starting from £51 and £60, respectively.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Looking at all options, your cheapest flight can be booked for £51. While the most popular route (Sofia - London Heathrow) can be booked for £148 on average, our data indicates £178 when flying from Sofia to London Heathrow Airport.

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.

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.

£49+ Cheap Flights from Sofia to London Heathrow Airport

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

Airfare is below average for this route at the moment. Sofia to London Heathrow Airport flights typically cost between £215 and £185 in May. The cheapest return flight price found within the last 3 days was £139 on LOT (8 May-12 May).

Cheap flight deals from Sofia to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 17 April 2026.

Fri 8/514:35

SOF

LHR

1 stop9h 25m

LOT

Tue 12/506:30

LHR

SOF

1 stop9h 30m

LOT

Deal found 13/4£139

Wed 3/616:00

SOF

LHR

1 stop22h 30m

Air Serbia

Sun 7/619:25

LHR

SOF

1 stop18h 05m

Air Serbia

Deal found 14/4£140

Wed 22/421:25

SOF

LHR

Nonstop3h 20m

British Airways

Wed 26/815:10

LHR

SOF

Nonstop3h 20m

British Airways

Deal found 14/4£143

Wed 22/421:25

SOF

LHR

Nonstop3h 20m

British Airways

Fri 28/808:10

LHR

SOF

Nonstop3h 15m

British Airways

Deal found 15/4£144

Fri 8/514:15

SOF

LHR

Nonstop3h 35m

British Airways

Sun 17/514:55

LHR

SOF

Nonstop3h 15m

British Airways

Deal found 13/4£148

Fri 26/614:35

SOF

LHR

1 stop9h 25m

LOT

Wed 1/706:30

LHR

SOF

1 stop17h 15m

LOT

Deal found 12/4£148

Thu 2/718:45

SOF

LHR

1 stop5h 15m

LOT

Wed 8/706:30

LHR

SOF

1 stop17h 15m

LOT

Deal found 14/4£149

Sat 13/618:45

SOF

LHR

1 stop16h 35m

LOT

Mon 15/618:10

LHR

SOF

1 stop17h 40m

LOT

Deal found 16/4£151

Tue 21/423:25

SOF

LHR

1 stop11h 45m

Multiple Airlines

Mon 27/420:50

LHR

SOF

1 stop23h 50m

Multiple Airlines

Deal found 14/4£156

Thu 4/618:45

SOF

LHR

1 stop5h 15m

LOT

Sun 7/606:30

LHR

SOF

1 stop5h 20m

LOT

Deal found 14/4£157

Tue 21/423:25

SOF

LHR

1 stop11h 45m

Multiple Airlines

Wed 26/809:55

LHR

SOF

1 stop9h 20m

Multiple Airlines

Deal found 14/4£158

Fri 22/518:45

SOF

LHR

1 stop5h 15m

LOT

Mon 1/606:30

LHR

SOF

1 stop5h 20m

LOT

Deal found 14/4£159

Find flight deals from Sofia to Heathrow

Round-trip from	£139
One-way from	£49
Popular in	August
Cheapest in	March
Average price	£191
Good round-trip deal	£208 or less
Good one-way deal	£83 or less

LOT
8/5-12/5
2 total stops
18h 55m total
Sofia to London

Search Deals

British Airways
12/7
Nonstop
3h 20m total
Sofia to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£35 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2026

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.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sofia to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 11/5

05:00-12:30

1 stop9h 30m

London Heathrow

Tue 12/5

13:30-15:30

1 stop24h 00m

£172

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 7/5

16:00-12:30

1 stop22h 30m

London Heathrow

Wed 13/5

13:30-03:00

1 stop11h 30m

£202

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 15/6

16:00-12:30

1 stop22h 30m

London Heathrow

Wed 17/6

13:30-15:30

1 stop24h 00m

£202

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 15/6

20:10-21:30

Nonstop3h 20m

London Heathrow

Wed 17/6

15:10-20:30

Nonstop3h 20m

£224

Fastest return journey

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 9/8

21:05-22:25

Nonstop3h 20m

London Heathrow

Fri 28/8

08:10-13:25

Nonstop3h 15m

£231

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Wed 12/8

21:25-22:45

Nonstop3h 20m

London Heathrow

Wed 19/8

15:10-20:30

Nonstop3h 20m

£278

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 20/6

13:45-08:15

2 stops20h 30m

London Heathrow

Mon 22/6

20:05-12:15

1 stop14h 10m

£300

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 13/6

12:55-21:45

2 stops10h 50m

London Heathrow

Mon 22/6

20:05-12:15

1 stop14h 10m

£320

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 7/5

12:55-21:45

2 stops10h 50m

London Heathrow

Wed 13/5

20:05-10:20

1 stop12h 15m

£341

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sun 24/5

12:55-21:45

2 stops10h 50m

London Heathrow

Mon 1/6

20:05-12:15

1 stop14h 10m

£353

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 22 resultsSorted by cheapest first

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.

SOF-LHR

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

Prices

Delays

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

Currently, March is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of £135). Flying from Sofia to London Heathrow Airport in August is currently the most expensive (average of £247). 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?

Unlike at midday, when flights are generally more expensive, you can save up to 36% 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

See what other customers who have flown with British Airways 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.

British Airways

6.7

Okay

7,892 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Mar 2026

NCE - LHR

I was transferred to AA airlines with seating far away from my wif.

British Airways

6.7

Okay

7,892 reviews

British Airways

6.7

Okay

7,892 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Mar 2026

NCE - LHR

I was transferred to AA airlines with seating far away from my wif.

Related info for your journey

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 20m. 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 £88. Another airline that can offer you cheap pricing is Bulgaria Air. These flights start at 52% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Sofia to London Heathrow Airport one-way?
£51 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on British Airways and Bulgaria Air, with prices starting from £51 and £60, respectively.
What are the cheapest flights from Sofia to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £51. While the most popular route (Sofia - London Heathrow) can be booked for £148 on average, our data indicates £178 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, March is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of £135). Flying from Sofia to London Heathrow Airport in August is currently the most expensive (average of £247). 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.

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Top 2 airlines flying from Sofia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£88	Average£141	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Bulgaria Air	Cheapest£95	Average£198	FlexibilityNo cancel fee	On-time73%	Search Bulgaria Air flights

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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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Cheap flights from Sofia to London Heathrow Airport from £49

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sofia to Heathrow

Cheapest flights from Sofia to HeathrowExplore 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 17 April 2026.

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 17 April 2026.

Best flights from Sofia to HeathrowDiscover carefully curated flight deals from Sofia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 April 2026.

Discover carefully curated flight deals from Sofia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 April 2026.

Direct flights from Sofia to HeathrowExplore direct flight options from Sofia to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 April 2026.

Explore direct flight options from Sofia to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 April 2026.

Last-minute flights from Sofia to HeathrowDiscover last-minute flight deals from Sofia to Heathrow. Data last updated 17 April 2026 and is based on user searches.

Discover last-minute flight deals from Sofia to Heathrow. Data last updated 17 April 2026 and is based on user searches.

One-way flights from Sofia to HeathrowSearch for one-way flight options from Sofia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 April 2026.

Search for one-way flight options from Sofia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 April 2026.

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Use the filters below to find and compare flights from Sofia to London Heathrow Airport that are best for you.

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.

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?

What is the cheapest time of day to fly from SOF to LHR?

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

How often are flights from Sofia to London delayed?

What is the most punctual flight time for Sofia to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Sofia to London flights?

What’s the top stopover airport for flights from Sofia to London Heathrow Airport?

What’s the cheapest stopover airport for flights from Sofia to London Heathrow Airport?

What’s the fastest stopover option from Sofia to London Heathrow Airport?

Which airport typically offers the quickest stopover for flights from Sofia to London Heathrow Airport?

Reviews of airlines servicing Heathrow

See what other customers who have flown with British Airways 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.

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?

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

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

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

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

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

How can I find direct flights from Sofia to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Sofia to Heathrow

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Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

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Search flights from Sofia to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 April 2026.

Sofia and Heathrow flights

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Top 2 airlines flying from Sofia to Heathrow

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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 17 April 2026.

Best flights from Sofia to Heathrow
Discover carefully curated flight deals from Sofia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 April 2026.

Direct flights from Sofia to Heathrow
Explore direct flight options from Sofia to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 April 2026.

Last-minute flights from Sofia to Heathrow
Discover last-minute flight deals from Sofia to Heathrow. Data last updated 17 April 2026 and is based on user searches.

One-way flights from Sofia to Heathrow
Search for one-way flight options from Sofia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 April 2026.