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

Saturday 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, British Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

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

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

How often are flights from Sofia to London delayed?

About 12% of weekly flights between Sofia and London have experienced delays in the past year, with the average delay time being 91 minutes.

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

Departing from Sofia to London Heathrow Airport will take you 3h 25m. 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 £89. Other airlines that can offer you cheap pricing are Bulgaria Air, from £96, and LOT, from £175. These flights start at 54% 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?

£52 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Bulgaria Air and LOT, with prices starting from £64 and £100, 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 £89. While the most popular route (Sofia - London Heathrow) can be booked for £130 on average, our data indicates £181 when flying from Sofia to London Heathrow Airport.

What are the most popular airlines that fly from Sofia to London Heathrow Airport?

Consider Bulgaria Air, British Airways or LOT when booking your flight. These represent the most popular airlines 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. 3 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.

£55+ Cheap Flights from Sofia to London Heathrow Airport

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 23 September 2026.

Wed 7/1021:40 -

1 stop13h 30m

Wed 14/1020:50 -

1 stop10h 55m

Deal found 21/9£117

Thu 12/1105:00 -

1 stop9h 20m

Wed 18/1120:50 -

1 stop13h 45m

Deal found 19/9£118

Wed 4/1121:05 -

Nonstop3h 25m

Wed 11/1114:55 -

Nonstop3h 15m

Deal found 20/9£119

Mon 9/1117:15 -

Nonstop3h 30m

Wed 18/1114:55 -

Nonstop3h 15m

Deal found 18/9£121

Sat 28/1114:35 -

1 stop21h 00m

Sat 5/1206:30 -

1 stop9h 25m

Deal found 20/9£124

Mon 19/1020:10 -

Nonstop3h 20m

Wed 28/1014:55 -

Nonstop3h 15m

Deal found 21/9£125

Wed 21/1021:25 -

Nonstop3h 20m

Wed 28/1014:55 -

Nonstop3h 15m

Deal found 23/9£128

Sat 7/1122:10 -

1 stop13h 00m

Sat 14/1109:55 -

1 stop9h 50m

Deal found 23/9£129

Mon 9/1117:15 -

Nonstop3h 30m

Sun 15/1113:25 -

Nonstop3h 10m

Deal found 21/9£130

Wed 4/1121:05 -

Nonstop3h 25m

Sun 8/1113:25 -

Nonstop3h 10m

Deal found 22/9£131

Find flight deals from Sofia to Heathrow

Round-trip from	£117
One-way from	£55
Popular in	September
Cheapest in	March
Average price	£258
Good round-trip deal	£191 or less
Good one-way deal	£114 or less

7/10-14/10
2 total stops
24h 25m total
Sofia to London

Search Deals

Air Serbia
18/12-31/12
1 total stop
9h 20m total
Sofia to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£30 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 September 2026

Search Deals

Price to beat on a round-trip flight from Sofia to London Heathrow.

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Price to beat on a one-way flight from Sofia to London Heathrow.

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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 Sofia - LHR London Heathrow

SOFLHR

Sofia

Sat 14/11

05:00-12:20

1 stop9h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£57

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Tue 15/12

16:00-12:20

1 stop22h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£57

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Mon 16/11

16:00-12:20

1 stop22h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£57

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Wed 16/12

16:00-12:20

1 stop22h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£57

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Tue 22/12

16:00-12:20

1 stop22h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£57

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Mon 21/12

05:00-12:20

1 stop9h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£57

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Tue 17/11

16:00-12:20

1 stop22h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£57

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Tue 16/3

16:00-12:20

1 stop22h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£76

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Fri 19/3

05:00-12:20

1 stop9h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£76

SofiaLondon

SOF Sofia - LHR London Heathrow

SOFLHR

Sofia

Mon 28/12

16:00-12:20

1 stop22h 20m

London Heathrow

Wed 31/12

00:00-01:00

Nonstop0h 00m

£76

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 23 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 time of day to fly from SOF to LHR?

Unlike at midday, when flights are generally more expensive, you can save up to 39% 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?

Airfare is below average for this route at the moment.

Sofia to London Heathrow Airport flights typically cost between £216 and £250 in October.
The cheapest return price found within the last 5 days was £117 on Multiple Airlines (7 Oct–14 Oct).

Reviews of airlines servicing Heathrow

See what other customers who have flown with LOT and 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.

LOT

7.6

Good

1,201 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.

LOT

7.6

Good

1,201 reviews

LOT

7.6

Good

1,201 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.

British Airways

6.7

Okay

8,227 reviews

LOT

7.6

Good

1,201 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Patrycja,May 2026

KRK - ORD

The whole flight was great. Crew was friendly and helpful.

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. 3 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 25m. 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 £89. Other airlines that can offer you cheap pricing are Bulgaria Air, from £96, and LOT, from £175. These flights start at 54% 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?
£52 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Bulgaria Air and LOT, with prices starting from £64 and £100, respectively.
What are the cheapest flights from Sofia to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £89. While the most popular route (Sofia - London Heathrow) can be booked for £130 on average, our data indicates £181 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.

See more FAQs

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Top 3 airlines flying from Sofia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£89	Average£143	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Bulgaria Air	Cheapest£96	Average£239	FlexibilityNo cancel fee	On-time73%	Search Bulgaria Air flights
LOT	Cheapest£175	Average£250	FlexibilityNo cancel fee	On-time81%	Search LOT flights

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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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Cheap flights from Sofia to London Heathrow Airport from £55

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/12. 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 23 September 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 23 September 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 23 September 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 23 September 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 23 September 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 23 September 2026.

Last-minute flights from Sofia to HeathrowDiscover last-minute flight deals from Sofia to Heathrow. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from Sofia to Heathrow. Data last updated 23 September 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 23 September 2026.

Search for one-way flight options from Sofia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Find flight deals from Sofia to Heathrow

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Popular in

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Cheapflights Fare Finder

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

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 39% 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?

Airfare is below average for this route at the moment.

Sofia to London Heathrow Airport flights typically cost between £216 and £250 in October.The cheapest return price found within the last 5 days was £117 on Multiple Airlines (7 Oct–14 Oct).

How often are flights from Sofia to London delayed?

About 12% of weekly flights between Sofia and London have experienced delays in the past year, with the average delay time being 91 minutes.

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

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

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

Saturday 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, British Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

Reviews of airlines servicing Heathrow

See what other customers who have flown with LOT and 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

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?

Travelling to a place near London Heathrow Airport?

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.

Complete your trip

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

Direct flights to England

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Search flights from Sofia to Heathrow by cabin class

Find flights from Sofia to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 23 September 2026.

Sofia and Heathrow flights

Browse other Sofia and Heathrow flight options. Last updated on 23 September 2026.

Other flights from Sofia

Browse through other flights departing from Sofia. Flights are based on user searches made on Cheapflights and were last updated on 23 September 2026.

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Top 3 airlines flying from Sofia to Heathrow

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

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

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

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

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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 23 September 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 23 September 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 23 September 2026.

Last-minute flights from Sofia to Heathrow
Discover last-minute flight deals from Sofia to Heathrow. Data last updated 23 September 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 23 September 2026.

Sofia to London Heathrow Airport flights typically cost between £216 and £250 in October.
The cheapest return price found within the last 5 days was £117 on Multiple Airlines (7 Oct–14 Oct).