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 42m.

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 £147.

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

Warsaw (WAW) – chosen by Cheapflights users on 75% 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 Vienna (VIE) offer the fastest connection on this route, with an average stopover time of 1h 38m.

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

Departing from Sofia to London Heathrow Airport will take you 22h 25m. Sofia and London Heathrow Airport are separated by a distance of 1267 mi.

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 £106. Other airlines that can offer you cheap pricing are LOT, from £123, and Bulgaria Air, from £164. These flights start at 39% lower than the current average price 3 months from now.

What is the cheapest day to fly from Sofia to London Heathrow Airport?

Travellers seeking maximum savings on their Sofia to London Heathrow Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 £55. While the most popular route (Sofia - London Heathrow) can be booked for £104 on average, our data indicates £139 when flying from Sofia to London Heathrow Airport.

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

Consider Bulgaria Air (76%), American Airlines (62%) or British Airways (62%) when booking your flight. These represent the most reliable airlines when flying from Sofia to London Heathrow Airport.

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

Consider British Airways, Bulgaria Air or LOT when booking your flight. These represent the most popular airlines when flying from Sofia to London Heathrow Airport.

What is the cheapest day to fly round-trip from Sofia to London Heathrow Airport?

Saturday flights are found to be more expensive to fly from Sofia to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

How far in advance should I book a flight from Sofia to London Heathrow Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 43 days in advance, which can save you up to 246% on flights from Sofia to London Heathrow Airport compared to booking the week you need them. Waiting 43 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £72. For sooner than that we have options available in the next 3 days from £105.

What is the cheapest month to fly from Sofia to London Heathrow Airport?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, March can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Sofia in March are about £104 on average during March, but can be found for as low as £29.

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 1 outbound flight 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.

£52+ 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 £124 and £195 in November. The cheapest return flight price found within the last 3 days was £105 on British Airways (19 Nov-22 Nov).

Cheap flight deals from Sofia to Heathrow

Round-trip from	£105
One-way from	£52
Popular in	August
Cheapest in	November
Average price	£178
Good one-way deal	£95 or less

British Airways
19/11-22/11
Nonstop
6h 40m total
Sofia to London

Search Deals

Air Serbia
19/2
1 total stop
22h 20m total
Sofia to London

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£10 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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

Search Deals

Find flight deals from Sofia to Heathrow

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 14 September 2025.

Wed 19/1121:00SOF - LHR

Nonstop3h 30mBritish Airways

Mon 24/1111:10LHR - SOF

Nonstop3h 10mBritish Airways

Deal found 14/9£120

Thu 9/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Sun 12/1019:25LHR - SOF

1 stop5h 30mAir Serbia

Deal found 13/9£125

Thu 9/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Sat 18/1019:55LHR - SOF

1 stop17h 40mAir Serbia

Deal found 14/9£125

Wed 29/1021:00SOF - LHR

Nonstop3h 30mBritish Airways

Wed 5/1114:55LHR - SOF

Nonstop3h 15mBritish Airways

Deal found 14/9£129

Tue 28/1005:00SOF - LHR

1 stop9h 20mAir Serbia

Tue 4/1113:20LHR - SOF

1 stop24h 10mAir Serbia

Deal found 13/9£140

Mon 29/905:20SOF - LHR

1 stop14h 00mLOT

Tue 7/1018:10LHR - SOF

1 stop5h 50mLOT

Deal found 13/9£142

Tue 28/1005:00SOF - LHR

1 stop9h 20mMultiple Airlines

Tue 4/1108:50LHR - SOF

1 stop12h 10mMultiple Airlines

Deal found 13/9£144

Sat 18/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Wed 22/1013:30LHR - SOF

1 stop11h 25mAir Serbia

Deal found 14/9£144

Tue 14/1018:40SOF - LHR

1 stop5h 20mLOT

Sat 25/1018:10LHR - SOF

1 stop18h 40mLOT

Deal found 13/9£145

Fri 10/1018:40SOF - LHR

1 stop5h 20mLOT

Wed 15/1010:15LHR - SOF

1 stop5h 40mLOT

Deal found 13/9£146

Wed 19/1121:00SOF - LHR

Nonstop3h 30mMultiple Airlines

Mon 24/1113:20LHR - SOF

1 stop11h 40mMultiple Airlines

Deal found 14/9£147

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 14 September 2025.

Fri 24/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Thu 30/1013:20LHR - SOF

1 stop11h 40mAir Serbia

Deal found 12/9£125

Thu 27/1116:00SOF - LHR

1 stop22h 20mMultiple Airlines

Sun 30/1107:50LHR - SOF

Nonstop3h 10mMultiple Airlines

Deal found 12/9£144

Thu 9/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Sun 12/1019:25LHR - SOF

1 stop5h 30mAir Serbia

Deal found 13/9£125

Thu 23/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Thu 30/1013:20LHR - SOF

1 stop11h 40mAir Serbia

Deal found 12/9£125

Sat 11/1005:00SOF - LHR

1 stop9h 30mAir Serbia

Sat 11/1019:55LHR - SOF

1 stop17h 40mAir Serbia

Deal found 13/9£125

Sat 25/1005:00SOF - LHR

1 stop9h 30mAir Serbia

Sun 2/1113:20LHR - SOF

1 stop11h 40mAir Serbia

Deal found 12/9£125

Mon 27/1016:00SOF - LHR

1 stop22h 20mAir Serbia

Mon 3/1113:20LHR - SOF

1 stop24h 10mAir Serbia

Deal found 12/9£125

Tue 21/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Tue 28/1013:20LHR - SOF

1 stop24h 10mAir Serbia

Deal found 12/9£125

Thu 9/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Wed 15/1013:30LHR - SOF

1 stop11h 25mAir Serbia

Deal found 13/9£142

Thu 26/216:00SOF - LHR

1 stop22h 20mAir Serbia

Sun 1/313:20LHR - SOF

1 stop24h 10mAir Serbia

Deal found 13/9£144

Fri 21/1116:05SOF - LHR

1 stop22h 15mAir Serbia

Mon 24/1113:20LHR - SOF

1 stop11h 40mAir Serbia

Deal found 13/9£144

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 14 September 2025.

Wed 19/1121:00SOF - LHR

Nonstop3h 30mBritish Airways

Sat 22/1106:05LHR - SOF

Nonstop3h 10mBritish Airways

Deal found 12/9£105

Wed 29/1021:00SOF - LHR

Nonstop3h 30mBritish Airways

Wed 5/1114:55LHR - SOF

Nonstop3h 15mBritish Airways

Deal found 14/9£129

Wed 29/1021:00SOF - LHR

Nonstop3h 30mBritish Airways

Sun 2/1107:50LHR - SOF

Nonstop3h 10mBritish Airways

Deal found 14/9£148

Mon 27/1017:25SOF - LHR

Nonstop3h 30mBritish Airways

Mon 3/1111:10LHR - SOF

Nonstop3h 10mBritish Airways

Deal found 12/9£160

Wed 24/921:30SOF - LHR

Nonstop3h 15mBritish Airways

Sun 12/1015:10LHR - SOF

Nonstop3h 10mBritish Airways

Deal found 13/9£174

Fri 26/1215:25SOF - LHR

Nonstop3h 30mBulgaria Air

Mon 5/120:50LHR - SOF

Nonstop3h 00mBulgaria Air

Deal found 13/9£183

Fri 10/1015:20SOF - LHR

Nonstop3h 25mBulgaria Air

Wed 15/1017:55LHR - SOF

Nonstop3h 20mBulgaria Air

Deal found 13/9£189

Sat 25/1006:25SOF - LHR

Nonstop3h 40mBulgaria Air

Sun 2/1108:45LHR - SOF

Nonstop3h 10mBulgaria Air

Deal found 12/9£190

Wed 24/1221:00SOF - LHR

Nonstop3h 30mBritish Airways

Mon 29/1211:10LHR - SOF

Nonstop3h 10mBritish Airways

Deal found 12/9£191

Sat 18/1006:25SOF - LHR

Nonstop3h 40mBulgaria Air

Sat 25/1008:55LHR - SOF

Nonstop3h 10mBulgaria Air

Deal found 13/9£192

Fri 10/1015:20SOF - LHR

Nonstop3h 25mBulgaria Air

Mon 13/1017:55LHR - SOF

Nonstop3h 20mBulgaria Air

Deal found 12/9£192

Wed 8/1015:20SOF - LHR

Nonstop3h 25mBulgaria Air

Wed 15/1017:55LHR - SOF

Nonstop3h 20mBulgaria Air

Deal found 14/9£193

Last-minute flights from Sofia to Heathrow
Discover last-minute flight deals from Sofia to Heathrow. Data last updated 14 September 2025 and is based on user searches.

Sat 20/905:20SOF - LHR

1 stop18h 40mLOT

Tue 23/906:30LHR - SOF

1 stop9h 25mLOT

Deal found 12/9£184

Sat 20/905:20SOF - LHR

1 stop6h 00mLOT

Sat 20/918:10LHR - SOF

1 stop21h 40mLOT

Deal found 13/9£201

Mon 22/905:25SOF - LHR

1 stop18h 35mLOT

Fri 26/906:30LHR - SOF

1 stop9h 20mLOT

Deal found 14/9£157

Mon 22/917:30SOF - LHR

1 stop22h 45mMultiple Airlines

Sat 27/915:05LHR - SOF

1 stop16h 40mMultiple Airlines

Deal found 14/9£166

Tue 23/914:35SOF - LHR

1 stop9h 25mLOT

Wed 1/1006:30LHR - SOF

1 stop17h 30mLOT

Deal found 13/9£160

Tue 23/914:35SOF - LHR

1 stop9h 25mLOT

Tue 30/906:30LHR - SOF

1 stop9h 25mLOT

Deal found 13/9£169

Tue 23/916:05SOF - LHR

1 stop22h 25mMultiple Airlines

Wed 1/1015:25LHR - SOF

Nonstop3h 15mMultiple Airlines

Deal found 13/9£188

Wed 24/918:40SOF - LHR

1 stop5h 20mLOT

Wed 8/1010:15LHR - SOF

1 stop5h 40mLOT

Deal found 13/9£163

Wed 24/918:40SOF - LHR

1 stop5h 20mLOT

Sat 11/1006:30LHR - SOF

1 stop9h 25mLOT

Deal found 13/9£164

Wed 24/906:00SOF - LHR

1 stop14h 25mMultiple Airlines

Sat 27/915:05LHR - SOF

1 stop6h 50mMultiple Airlines

Deal found 12/9£171

Wed 24/921:30SOF - LHR

Nonstop3h 15mBritish Airways

Sun 12/1015:10LHR - SOF

Nonstop3h 10mBritish Airways

Deal found 13/9£174

Wed 24/918:40SOF - LHR

1 stop16h 40mLOT

Mon 6/1018:10LHR - SOF

1 stop17h 40mLOT

Deal found 13/9£181

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 14 September 2025.

Thu 19/216:00SOF - LHR

1 stop22h 20mAir Serbia

Deal found 13/9£52

Mon 6/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 14/9£53

Tue 14/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 14/9£57

Tue 7/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 14/9£58

Mon 6/1020:00SOF - LHR

Nonstop3h 20mBritish Airways

Deal found 13/9£60

Sat 25/1016:05SOF - LHR

1 stop23h 15mAir Serbia

Deal found 13/9£61

Mon 13/1020:00SOF - LHR

Nonstop3h 20mBritish Airways

Deal found 12/9£62

Wed 29/1021:00SOF - LHR

Nonstop3h 30mBritish Airways

Deal found 12/9£66

Sat 4/1016:05SOF - LHR

1 stop5h 00mAir Serbia

Deal found 13/9£69

Fri 10/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 12/9£70

Sat 13/1216:00SOF - LHR

1 stop22h 20mAir Serbia

Deal found 12/9£72

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

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Fri 24/10

16:05-12:30

1 stop22h 25m

London Heathrow

Thu 30/10

13:20-03:00

1 stop11h 40m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 9/10

16:05-12:30

1 stop22h 25m

London Heathrow

Sun 12/10

19:25-02:55

1 stop5h 30m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 23/10

16:05-12:30

1 stop22h 25m

London Heathrow

Thu 30/10

13:20-03:00

1 stop11h 40m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 11/10

05:00-12:30

1 stop9h 30m

London Heathrow

Sat 11/10

19:55-15:35

1 stop17h 40m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Sat 25/10

05:00-12:30

1 stop9h 30m

London Heathrow

Sun 2/11

13:20-03:00

1 stop11h 40m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Mon 27/10

16:00-12:20

1 stop22h 20m

London Heathrow

Mon 3/11

13:20-15:30

1 stop24h 10m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Tue 21/10

16:05-12:30

1 stop22h 25m

London Heathrow

Tue 28/10

13:20-15:30

1 stop24h 10m

£125

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 9/10

16:05-12:30

1 stop22h 25m

London Heathrow

Wed 15/10

13:30-02:55

1 stop11h 25m

£142

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 27/11

16:00-12:20

1 stop22h 20m

London Heathrow

Sun 30/11

07:50-13:00

Nonstop3h 10m

£144

SofiaLondon

SOF - LHR

SOFLHR

Sofia

Thu 26/2

16:00-12:20

1 stop22h 20m

London Heathrow

Sun 1/3

13:20-15:30

1 stop24h 10m

£144

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 22 results

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

Prices

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

Currently, January is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of £112). Flying from Sofia to London Heathrow Airport in August is currently the most expensive (average of £164). 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 49% 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 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

1,114 reviews

Check prices

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

1,114 reviews

LOT

7.6

Good

1,114 reviews

Check prices

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

British Airways

6.7

Okay

7,361 reviews

LOT

7.6

Good

1,114 reviews

Check prices

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

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 1 outbound flight 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 22h 25m. Sofia and London Heathrow Airport are separated by a distance of 1267 mi.
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 £106. Other airlines that can offer you cheap pricing are LOT, from £123, and Bulgaria Air, from £164. These flights start at 39% lower than the current average price 3 months from now.
What are the most reliable airlines from Sofia to London Heathrow Airport?
Consider Bulgaria Air (76%), American Airlines (62%) or British Airways (62%) 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 £55. While the most popular route (Sofia - London Heathrow) can be booked for £104 on average, our data indicates £139 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, January is the cheapest month in which you can book a flight from Sofia to London Heathrow Airport (average of £112). Flying from Sofia to London Heathrow Airport in August is currently the most expensive (average of £164). 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

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Gatwick

Slough

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

Folkestone

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Chichester

Ipswich

Swindon

Dartford

Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Sofia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£108	Average£124	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
LOT	Cheapest£123	Average£171	FlexibilityNo cancel fee	On-time81%	Search LOT flights
Bulgaria Air	Cheapest£164	Average£193	FlexibilityNo cancel fee	On-time73%	Search Bulgaria Air flights

Fly with Cheapflights

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Sofia to London Heathrow Airport from £52

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sofia to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Find 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 14 September 2025.

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 14 September 2025.

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

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?

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

What’s the fastest stopover option 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 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

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.

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Top 3 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 14 September 2025.