How often are flights from London to Sofia delayed?

About 9% of weekly flights between London and Sofia have experienced delays in the past year, with the average delay time being 90 minutes.

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

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

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

Over the past year, Bulgaria Air has had the lowest number of delays on this route, with just 8% of flights being delayed.

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

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

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

Air Serbia and Lufthansa can get you from London Heathrow Airport to Sofia in just under 4h 40m. Your travel time can differ by up to 13h 25m. Airlines will cover a distance of 2039 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sofia ranges from 30.0 - 70.0 mm 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 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 0 airlines. Sofia is conveniently located just 6.7 km from Sofia’s city centre.

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 vacation 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.

C$ 152+ Cheap Flights from London Heathrow Airport to Sofia

Cheap flight deals from Heathrow to Sofia

Enter your travel dates to find the best prices.

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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 9 November 2026.

Mon 7/1211:10 a.m. -

Nonstop3h 10m

Fri 11/128:25 p.m. -

Nonstop3h 25m

Deal found 7/11C$ 292

Wed 9/121:20 p.m. -

1 stop11h 40m

Sat 12/124:00 p.m. -

1 stop22h 20m

Deal found 7/11C$ 317

Thu 31/121:20 p.m. -

1 stop11h 40m

Tue 5/14:00 p.m. -

1 stop22h 20m

Deal found 6/11C$ 319

Thu 3/126:35 a.m. -

1 stop4h 40m

Fri 11/127:05 p.m. -

1 stop5h 50m

Deal found 8/11C$ 330

Thu 3/126:35 a.m. -

1 stop4h 40m

Mon 7/122:00 p.m. -

1 stop6h 35m

Deal found 6/11C$ 332

Thu 3/126:35 a.m. -

1 stop4h 40m

Thu 10/122:00 p.m. -

1 stop5h 05m

Deal found 5/11C$ 333

Fri 27/116:35 a.m. -

1 stop4h 40m

Thu 3/124:15 p.m. -

1 stop7h 25m

Deal found 7/11C$ 334

Thu 19/118:45 a.m. -

1 stop7h 35m

Mon 23/113:00 p.m. -

1 stop6h 15m

Deal found 5/11C$ 336

Wed 25/116:35 a.m. -

1 stop4h 40m

Sat 28/116:15 p.m. -

1 stop5h 25m

Deal found 9/11C$ 337

Thu 19/116:00 a.m. -

1 stop7h 25m

Tue 24/112:00 p.m. -

1 stop6h 30m

Deal found 5/11C$ 339

Wed 18/116:35 a.m. -

1 stop4h 40m

Sat 21/116:15 p.m. -

1 stop5h 25m

Deal found 5/11C$ 340

Find flight deals from Heathrow to Sofia

Round-trip from	C$ 227
One-way from	C$ 152
Popular in	December
Cheapest in	January
Average price	C$ 267

British Airways
25/1-29/1
Nonstop
6h 35m total
London to Sofia

Search Deals

British Airways
29/11-31/12
Nonstop
3h 10m total
London to Sofia

Search Deals

High demand for flights, 14% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 17 potential savings vs. average RT price).

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Average for round-trip flights in November 2026

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Cheapflights Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Wed 25/11

2:55 p.m.-8:10 p.m.

Nonstop3h 15m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 155

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Mon 1/3

1:20 p.m.-3:30 p.m.

1 stop24h 10m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 193

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Fri 12/2

1:20 p.m.-3:30 p.m.

1 stop24h 10m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 209

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Tue 13/4

10:15 p.m.-10:05 a.m.

1 stop9h 50m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 217

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Tue 17/11

1:20 p.m.-3:30 p.m.

1 stop24h 10m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 237

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Sun 27/12

1:20 p.m.-3:00 a.m.

1 stop11h 40m

Sofia

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 237

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Mon 12/4

2:05 p.m.-7:20 p.m.

Nonstop3h 15m

Sofia

Wed 14/4

9:25 p.m.-10:45 p.m.

Nonstop3h 20m

C$ 257

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Sun 11/4

1:30 p.m.-3:00 a.m.

1 stop11h 30m

Sofia

Sat 17/4

5:00 a.m.-12:30 p.m.

1 stop9h 30m

C$ 309

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Wed 9/12

1:20 p.m.-3:00 a.m.

1 stop11h 40m

Sofia

Sat 12/12

4:00 p.m.-12:20 p.m.

1 stop22h 20m

C$ 317

LondonSofia

LHR London Heathrow - SOF Sofia

LHRSOF

London Heathrow

Fri 27/11

6:35 a.m.-1:15 p.m.

1 stop4h 40m

Sofia

Sun 29/11

6:00 a.m.-10:25 a.m.

1 stop6h 25m

C$ 330

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 18 resultsSorted by cheapest first

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.

LHR-SOF

Estimated round-trip 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

Prices

Delays

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

The price you pay for your flight from London Heathrow Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 C$ 258). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of C$ 519). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Sofia as you normally would.

How much does it cost to fly round-trip 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 C$ 254 and C$ 347 in January.
The cheapest round-trip price found within the last 5 days was C$ 227 on British Airways (25 Jan-29 Jan).

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 0 airlines. Sofia is conveniently located just 6.7 km from Sofia’s city centre.
How long is the flight from London Heathrow Airport to Sofia?
Air Serbia and Lufthansa can get you from London Heathrow Airport to Sofia in just under 4h 40m. Your travel time can differ by up to 13h 25m. Airlines will cover a distance of 2039 km. This flight may include one or multiple stops.
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 vacation 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 C$ 258). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of C$ 519). 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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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Sofia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Sofia.

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Cheap flights from London Heathrow Airport to Sofia from C$ 152

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 9 November 2026.

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 9 November 2026.

Best flights from Heathrow to SofiaDiscover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Discover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Direct flights from Heathrow to SofiaExplore direct flight options from Heathrow to Sofia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 November 2026.

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 9 November 2026.

Last-minute flights from Heathrow to SofiaDiscover last-minute flight deals from Heathrow to Sofia. Data last updated 9 November 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Sofia. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Heathrow to SofiaSearch for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

Search for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

Find flight deals from Heathrow to Sofia

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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

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

The price you pay for your flight from London Heathrow Airport to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Sofia as you normally would.

How much does it cost to fly round-trip 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 C$ 254 and C$ 347 in January.The cheapest round-trip price found within the last 5 days was C$ 227 on British Airways (25 Jan-29 Jan).

How often are flights from London to Sofia delayed?

About 9% of weekly flights between London and Sofia have experienced delays in the past year, with the average delay time being 90 minutes.

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

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

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

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

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

Over the past year, Bulgaria Air has had the lowest number of delays on this route, with just 8% of flights being delayed.

Related info for your journey

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

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

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

How can I find direct flights from Heathrow to Sofia?

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

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

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.

Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.

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

Heathrow and Sofia flights

Browse other Heathrow and Sofia flight options. Last updated on 9 November 2026.

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

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

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

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

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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 9 November 2026.

Best flights from Heathrow to Sofia
Discover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

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 9 November 2026.

Last-minute flights from Heathrow to Sofia
Discover last-minute flight deals from Heathrow to Sofia. Data last updated 9 November 2026 and is based on user searches.

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 9 November 2026.

London Heathrow Airport to Sofia flights typically cost between C$ 254 and C$ 347 in January.
The cheapest round-trip price found within the last 5 days was C$ 227 on British Airways (25 Jan-29 Jan).