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

Airlines like British Airways, Air Serbia, and Lufthansa fly from London Heathrow Airport to Sofia in about 3h 10m. The time it takes to get you to your destination can typically vary by up to 2h 20m. The distance between London Heathrow Airport and Sofia is about 1267 mi. Both multi-stop and direct flights can be found to your destination and back.

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

Our cheapest airline available from London Heathrow Airport to Sofia is Wizz Air. Our recent data shows that you can find tickets from as low as £36 on this airline. Additional options worth looking into are Ryanair and Air Serbia, starting at £43 and £52 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 81% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Sofia ranges from 30.0 - 70.0 inches per month. June is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Sofia when rainfall is around 30.0 mm.

If weather is an important factor for your trip to Sofia, 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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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

Looking for the cheapest flight from London Heathrow Airport to Sofia? While on average our users pay £316, our data indicates the cheapest price to be £80. The most popular route (London Heathrow - Sofia), is priced around £103.

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

The top 3 most reliable airlines when flying from London Heathrow Airport to Sofia are Bulgaria Air (84%), American Airlines (65%) and British Airways (65%).

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

Before booking your flight from London Heathrow Airport to Sofia check out the most popular airlines for this route: British Airways, Bulgaria Air or Ryanair.

What airport do you fly into for flights to Sofia from London Heathrow?

Most people fly into Sofia (SOF) if they book a flight to Sofia from London Heathrow. On average, Sofia has 0 inbound flights from London Heathrow per day from 8 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

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

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

How can I find direct flights from Heathrow to Sofia?

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

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

Yes. Cheapflights offers flight deals from Heathrow to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£67+ Cheap Flights from London Heathrow Airport to Sofia

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

Airfare is below average for this route at the moment. London Heathrow Airport to Sofia flights typically cost between £165 and £239 in November. The cheapest return flight price found within the last 3 days was £103 on British Airways (22 Nov-26 Nov).

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or January, booked 59 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Heathrow to Sofia

Round-trip from	£103
One-way from	£67
Popular in	December
Cheapest in	November
Average price	£203
Good round-trip deal	£201 or less
Good one-way deal	£99 or less

British Airways
22/11-26/11
Nonstop
6h 40m total
London to Sofia

Search Deals

2/12
1 total stop
11h 35m total
London to Sofia

Search Deals

High demand for flights, 5% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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

Search Deals

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

Search Deals

Find flight deals from Heathrow to Sofia

Cheapest flights from Heathrow to Sofia
Explore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Sat 1/1106:05LHR - SOF

Nonstop3h 10mBritish Airways

Sat 8/1112:05SOF - LHR

Nonstop3h 45mBritish Airways

Deal found 17/9£111

Wed 3/1214:55LHR - SOF

Nonstop3h 15mBritish Airways

Sun 7/1214:30SOF - LHR

Nonstop3h 30mBritish Airways

Deal found 16/9£120

Wed 3/1214:55LHR - SOF

Nonstop3h 15mMultiple Airlines

Sun 7/1220:20SOF - LHR

1 stop23h 35mMultiple Airlines

Deal found 16/9£128

Fri 10/1022:15LHR - SOF

1 stop14h 15mMultiple Airlines

Mon 13/1020:00SOF - LHR

Nonstop3h 20mMultiple Airlines

Deal found 15/9£129

Thu 13/1119:00LHR - SOF

1 stop22h 30mMultiple Airlines

Sun 16/1114:30SOF - LHR

Nonstop3h 30mMultiple Airlines

Deal found 17/9£133

Mon 1/1209:55LHR - SOF

1 stop6h 50mMultiple Airlines

Fri 5/1205:00SOF - LHR

1 stop9h 20mMultiple Airlines

Deal found 16/9£134

Fri 10/1022:15LHR - SOF

1 stop14h 15mMultiple Airlines

Mon 20/1005:00SOF - LHR

1 stop9h 30mMultiple Airlines

Deal found 16/9£135

Tue 14/1015:05LHR - SOF

1 stop16h 45mMultiple Airlines

Tue 28/1005:00SOF - LHR

1 stop9h 20mMultiple Airlines

Deal found 16/9£136

Mon 13/1022:15LHR - SOF

1 stop14h 15mMultiple Airlines

Mon 27/1017:25SOF - LHR

Nonstop3h 30mMultiple Airlines

Deal found 15/9£139

Wed 3/1222:15LHR - SOF

1 stop19h 15mAegean Airlines

Sun 7/1220:20SOF - LHR

1 stop23h 35mAegean Airlines

Deal found 16/9£140

Wed 3/1213:20LHR - SOF

1 stop11h 40mMultiple Airlines

Sat 6/1212:05SOF - LHR

Nonstop3h 45mMultiple Airlines

Deal found 16/9£144

Wed 1/1019:00LHR - SOF

1 stop17h 30mMultiple Airlines

Mon 6/1020:00SOF - LHR

Nonstop3h 20mMultiple Airlines

Deal found 15/9£146

Best flights from Heathrow to Sofia
Discover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Sat 14/306:05LHR - SOF

Nonstop3h 10mBritish Airways

Sun 15/314:30SOF - LHR

Nonstop3h 30mBritish Airways

Deal found 15/9£147

Sun 5/1019:25LHR - SOF

1 stop5h 30mAir Serbia

Fri 10/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 16/9£154

Thu 30/1006:35LHR - SOF

1 stop4h 40mLufthansa

Thu 6/1114:00SOF - LHR

1 stop6h 35mLufthansa

Deal found 15/9£155

Thu 13/1113:20LHR - SOF

1 stop11h 40mAir Serbia

Mon 17/1116:00SOF - LHR

1 stop22h 20mAir Serbia

Deal found 15/9£155

Wed 15/1013:45LHR - SOF

1 stop7h 15mLufthansa

Wed 29/1014:00SOF - LHR

1 stop7h 35mLufthansa

Deal found 15/9£155

Fri 7/1113:20LHR - SOF

1 stop11h 40mAir Serbia

Tue 11/1105:00SOF - LHR

1 stop9h 20mAir Serbia

Deal found 15/9£155

Mon 17/1106:35LHR - SOF

1 stop4h 35mLufthansa

Tue 25/1114:00SOF - LHR

1 stop6h 35mLufthansa

Deal found 15/9£156

Tue 2/1213:20LHR - SOF

1 stop24h 10mAir Serbia

Thu 4/1216:00SOF - LHR

1 stop22h 20mAir Serbia

Deal found 16/9£155

Fri 31/1006:35LHR - SOF

1 stop4h 40mLufthansa

Fri 7/1114:00SOF - LHR

1 stop6h 35mLufthansa

Deal found 16/9£156

Thu 13/1113:50LHR - SOF

1 stop6h 55mLufthansa

Sun 16/1119:05SOF - LHR

1 stop5h 50mLufthansa

Deal found 17/9£157

Direct flights from Heathrow to Sofia
Explore direct flight options from Heathrow to Sofia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Sat 1/1106:05LHR - SOF

Nonstop3h 10mBritish Airways

Sat 8/1112:05SOF - LHR

Nonstop3h 45mBritish Airways

Deal found 17/9£111

Wed 3/1214:55LHR - SOF

Nonstop3h 15mBritish Airways

Sun 7/1214:30SOF - LHR

Nonstop3h 30mBritish Airways

Deal found 16/9£120

Sat 14/306:05LHR - SOF

Nonstop3h 10mBritish Airways

Sun 15/314:30SOF - LHR

Nonstop3h 30mBritish Airways

Deal found 15/9£147

Sat 21/206:05LHR - SOF

Nonstop3h 10mBritish Airways

Sun 1/314:30SOF - LHR

Nonstop3h 30mBritish Airways

Deal found 16/9£153

Wed 1/1015:25LHR - SOF

Nonstop3h 15mBritish Airways

Mon 20/1020:00SOF - LHR

Nonstop3h 20mBritish Airways

Deal found 15/9£172

Sat 17/106:05LHR - SOF

Nonstop3h 10mMultiple Airlines

Sun 25/106:20SOF - LHR

Nonstop3h 30mMultiple Airlines

Deal found 16/9£175

Mon 16/311:10LHR - SOF

Nonstop3h 10mBritish Airways

Mon 30/320:00SOF - LHR

Nonstop3h 20mBritish Airways

Deal found 15/9£177

Wed 7/114:55LHR - SOF

Nonstop3h 15mMultiple Airlines

Sat 10/110:40SOF - LHR

Nonstop3h 30mMultiple Airlines

Deal found 16/9£177

Fri 10/1008:20LHR - SOF

Nonstop3h 10mBritish Airways

Mon 27/1017:25SOF - LHR

Nonstop3h 30mBritish Airways

Deal found 15/9£180

Mon 15/1220:50LHR - SOF

Nonstop3h 00mMultiple Airlines

Sun 21/1214:30SOF - LHR

Nonstop3h 30mMultiple Airlines

Deal found 16/9£186

Fri 10/1017:55LHR - SOF

Nonstop3h 20mMultiple Airlines

Mon 27/1017:25SOF - LHR

Nonstop3h 30mMultiple Airlines

Deal found 15/9£186

Last-minute flights from Heathrow to Sofia
Discover last-minute flight deals from Heathrow to Sofia. Data last updated 17 September 2025 and is based on user searches.

Wed 1/1019:00LHR - SOF

1 stop17h 30mMultiple Airlines

Mon 6/1020:00SOF - LHR

Nonstop3h 20mMultiple Airlines

Deal found 15/9£146

Wed 1/1022:15LHR - SOF

1 stop14h 15mMultiple Airlines

Mon 20/1020:00SOF - LHR

Nonstop3h 20mMultiple Airlines

Deal found 15/9£150

Sat 4/1019:55LHR - SOF

1 stop17h 40mAir Serbia

Tue 7/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 15/9£153

Sat 4/1019:55LHR - SOF

1 stop17h 40mAir Serbia

Mon 6/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 16/9£155

Sun 5/1019:25LHR - SOF

1 stop5h 30mAir Serbia

Fri 10/1016:05SOF - LHR

1 stop22h 25mAir Serbia

Deal found 14/9£153

Fri 10/1022:15LHR - SOF

1 stop14h 15mMultiple Airlines

Mon 13/1020:00SOF - LHR

Nonstop3h 20mMultiple Airlines

Deal found 15/9£129

Fri 10/1022:15LHR - SOF

1 stop14h 15mMultiple Airlines

Mon 20/1005:00SOF - LHR

1 stop9h 30mMultiple Airlines

Deal found 16/9£135

Fri 10/1006:30LHR - SOF

1 stop9h 25mMultiple Airlines

Mon 27/1016:00SOF - LHR

1 stop22h 20mMultiple Airlines

Deal found 15/9£156

Mon 13/1022:15LHR - SOF

1 stop14h 15mMultiple Airlines

Mon 27/1017:25SOF - LHR

Nonstop3h 30mMultiple Airlines

Deal found 15/9£139

Tue 14/1015:05LHR - SOF

1 stop16h 45mMultiple Airlines

Tue 28/1005:00SOF - LHR

1 stop9h 20mMultiple Airlines

Deal found 16/9£136

One-way flights from Heathrow to Sofia
Search for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Tue 2/1209:55LHR - SOF

1 stop11h 35mMultiple Airlines

Deal found 17/9£67

Sun 12/1022:15LHR - SOF

1 stop9h 45mAegean Airlines

Deal found 15/9£69

Fri 10/1022:15LHR - SOF

1 stop14h 15mAegean Airlines

Deal found 16/9£70

Sat 15/1106:05LHR - SOF

Nonstop3h 10mBritish Airways

Deal found 15/9£74

Sat 27/915:05LHR - SOF

1 stop19h 40mMultiple Airlines

Deal found 16/9£75

Wed 8/1015:05LHR - SOF

2 stops26h 20mMultiple Airlines

Deal found 15/9£77

Thu 30/1018:50LHR - SOF

1 stop12h 55mMultiple Airlines

Deal found 17/9£78

Thu 13/1115:50LHR - SOF

1 stop5h 10mMultiple Airlines

Deal found 16/9£78

Tue 7/1008:55LHR - SOF

1 stop24h 20mMultiple Airlines

Deal found 15/9£81

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 14/3

06:05-11:15

Nonstop3h 10m

Sofia

Sun 15/3

14:30-16:00

Nonstop3h 30m

£147

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 5/10

19:25-02:55

1 stop5h 30m

Sofia

Fri 10/10

16:05-12:30

1 stop22h 25m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 13/11

13:20-03:00

1 stop11h 40m

Sofia

Mon 17/11

16:00-12:20

1 stop22h 20m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 30/10

06:35-13:15

1 stop4h 40m

Sofia

Thu 6/11

14:00-18:35

1 stop6h 35m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 15/10

13:45-23:00

1 stop7h 15m

Sofia

Wed 29/10

14:00-19:35

1 stop7h 35m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 7/11

13:20-03:00

1 stop11h 40m

Sofia

Tue 11/11

05:00-12:20

1 stop9h 20m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 2/12

13:20-15:30

1 stop24h 10m

Sofia

Thu 4/12

16:00-12:20

1 stop22h 20m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 17/11

06:35-13:10

1 stop4h 35m

Sofia

Tue 25/11

14:00-18:35

1 stop6h 35m

£156

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 31/10

06:35-13:15

1 stop4h 40m

Sofia

Fri 7/11

14:00-18:35

1 stop6h 35m

£156

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 13/11

13:50-22:45

1 stop6h 55m

Sofia

Sun 16/11

19:05-22:55

1 stop5h 50m

£157

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 22 results

Best time to book a flight from Heathrow to Sofia

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

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

The best time to book flights from London Heathrow Airport to Sofia is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £88). Flying from London Heathrow Airport to Sofia in August is currently the most expensive (average of £309). 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 LHR to SOF?

When flying from London Heathrow Airport to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 22% versus a flight in the afternoon.

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

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

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

Reviews of airlines servicing Sofia

See what other customers who have flown with LOT, Austrian Airlines, andLufthansa from London Heathrow Airport to Sofia 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

Austrian Airlines

7.6

Good

850 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

Lufthansa

6.8

Okay

7,407 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

7,363 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 into for flights to Sofia from London Heathrow?
Most people fly into Sofia (SOF) if they book a flight to Sofia from London Heathrow. On average, Sofia has 0 inbound flights from London Heathrow per day from 8 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.
How long is the flight from London Heathrow Airport to Sofia?
Airlines like British Airways, Air Serbia, and Lufthansa fly from London Heathrow Airport to Sofia in about 3h 10m. The time it takes to get you to your destination can typically vary by up to 2h 20m. The distance between London Heathrow Airport and Sofia is about 1267 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London Heathrow Airport to Sofia round-trip?
Our cheapest airline available from London Heathrow Airport to Sofia is Wizz Air. Our recent data shows that you can find tickets from as low as £36 on this airline. Additional options worth looking into are Ryanair and Air Serbia, starting at £43 and £52 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 81% less than the average price by searching for these airlines.
What are the most reliable airlines from London Heathrow Airport to Sofia?
The top 3 most reliable airlines when flying from London Heathrow Airport to Sofia are Bulgaria Air (84%), American Airlines (65%) and British Airways (65%).
What are the cheapest flights from London Heathrow Airport to Sofia?
Looking for the cheapest flight from London Heathrow Airport to Sofia? While on average our users pay £316, our data indicates the cheapest price to be £80. The most popular route (London Heathrow - Sofia), is priced around £103.
Can I find deals for flights from Heathrow to Sofia that include hotel bookings?
Yes. In addition to deals on Heathrow to Sofia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Sofia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Sofia.
Can I find deals for business class flights from Heathrow to Sofia?
Yes. Cheapflights offers flight deals from Heathrow to Sofia 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 London Heathrow Airport to Sofia?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £88). Flying from London Heathrow Airport to Sofia in August is currently the most expensive (average of £309). 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

Velingrad

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Sofia

Luton to Sofia flights

Stansted to Sofia flights

Gatwick to Sofia flights

London City to Sofia flights

Southend to Sofia flights

Other flights to Sofia

Top 8 airlines flying from Heathrow to Sofia

Airline	Cheapest	Average	Flexibility	On-time
Wizz Air	Cheapest£36	Average£105	FlexibilityNo cancel fee	On-time83%	Search Wizz Air flights
Ryanair	Cheapest£43	Average£82	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Air Serbia	Cheapest£52	Average£141	FlexibilityNo cancel fee	On-timeN/A	Search Air Serbia flights
British Airways	Cheapest£95	Average£194	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
LOT	Cheapest£137	Average£204	FlexibilityNo cancel fee	On-time81%	Search LOT flights
Lufthansa	Cheapest£139	Average£192	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Bulgaria Air	Cheapest£153	Average£227	FlexibilityNo cancel fee	On-time73%	Search Bulgaria Air flights
Austrian Airlines	Cheapest£155	Average£198	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sofia from Heathrow today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Sofia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Sofia from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Heathrow to Sofia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London Heathrow Airport to Sofia from £67

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or January, booked 59 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Heathrow to Sofia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Sofia

Cheapest flights from Heathrow to SofiaExplore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Sofia

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

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

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

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

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

Reviews of airlines servicing Sofia

See what other customers who have flown with LOT, Austrian Airlines, andLufthansa from London Heathrow Airport to Sofia 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 Heathrow to Sofia. 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 into for flights to Sofia from London Heathrow?

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

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

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

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

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Alternative routes for Heathrow to Sofia

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Top 8 airlines flying from Heathrow to Sofia

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Cheapest flights from Heathrow to Sofia
Explore the most affordable flight options available from Heathrow to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.