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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Bulgaria Air has had the least delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from London Heathrow to Sofia?

Aegean Airlines, British Airways, and Bulgaria Air are the most popular carriers operating from London Heathrow to Sofia

How often are flights from London to Sofia delayed?

Historically, on average around 14% of flights between London and Sofia have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

How many flights depart from London Heathrow Airport to Sofia on average per week?

The number of flights available between London Heathrow Airport and Sofia is 2 per week as of March 2026. The most frequent departure day is Wed, with 50% of weekly flights leaving on this day.

When did momondo last update prices for flights from London Heathrow Airport to Sofia Airport?

Prices for flights from London Heathrow Airport to Sofia Airport are updated daily.

How old do you have to be to fly from London Heathrow Airport to Sofia Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 129 Cheap Flights from London Heathrow Airport to Sofia in 2026

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Find the cheapest flights from London Heathrow Airport to Sofia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

LHR

SOF

3h 15mdirect

8:10 p.m. - 9:30 p.m.

SOF

LHR

3h 20mdirect

C$ 216British Airways

Sun, 19 Apr - Mon, 27 Apr

3:10 p.m. - 8:30 p.m.

LHR

SOF

3h 20mdirect

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

SOF

LHR

3h 20mdirect

C$ 225British Airways

Wed, 22 Apr - Wed, 29 Apr

3:10 p.m. - 8:30 p.m.

LHR

SOF

3h 20mdirect

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

SOF

LHR

3h 20mdirect

C$ 239British Airways

Wed, 15 Apr - Wed, 29 Apr

3:10 p.m. - 8:30 p.m.

LHR

SOF

3h 20mdirect

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

SOF

LHR

3h 20mdirect

C$ 251British Airways

Wed, 15 Apr - Wed, 29 Apr

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

LHR

SOF

3h 15mdirect

8:10 p.m. - 9:30 p.m.

SOF

LHR

3h 20mdirect

C$ 255British Airways

Sun, 17 May - Mon, 18 May

3:10 p.m. - 8:30 p.m.

LHR

SOF

3h 20mdirect

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

SOF

LHR

3h 20mdirect

C$ 261British Airways

Wed, 15 Apr - Wed, 29 Apr

3:10 p.m. - 8:30 p.m.

LHR

SOF

3h 20mdirect

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

SOF

LHR

3h 20mdirect

C$ 262British Airways

Wed, 15 Apr - Wed, 29 Apr

3:10 p.m. - 8:30 p.m.

LHR

SOF

3h 20mdirect

8:10 p.m. - 9:30 p.m.

SOF

LHR

3h 20mdirect

C$ 265British Airways

Wed, 22 Apr - Mon, 27 Apr

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

LHR

SOF

3h 15mdirect

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

SOF

LHR

3h 20mdirect

C$ 273British Airways

Mon, 20 Apr - Wed, 29 Apr

8:10 a.m. - 1:25 p.m.

LHR

SOF

3h 15mdirect

8:10 p.m. - 9:30 p.m.

SOF

LHR

3h 20mdirect

C$ 275British Airways

Fri, 17 Apr - Mon, 27 Apr

British Airways flights from London Heathrow Airport to Sofia

Our best British Airways deals on London Heathrow Airport to Sofia flight tickets

British Airways

22 Mar

LHR7:50 a.m.London Heathrow

3h 10m

SOF1:00 p.m.Sofia

29 Mar

SOF9:05 p.m.Sofia

3h 20m

LHR10:25 p.m.London Heathrow

C$ 213

British Airways

19 Apr

LHR2:55 p.m.London Heathrow

3h 15m

SOF8:10 p.m.Sofia

27 Apr

SOF8:10 p.m.Sofia

3h 20m

LHR9:30 p.m.London Heathrow

C$ 216

British Airways

22 Apr

LHR3:10 p.m.London Heathrow

3h 20m

SOF8:30 p.m.Sofia

29 Apr

SOF9:25 p.m.Sofia

3h 20m

LHR10:45 p.m.London Heathrow

C$ 225

Austrian Airlines flights from London Heathrow Airport to Sofia

Our best Austrian Airlines deals on London Heathrow Airport to Sofia flight tickets

Austrian Airlines

30 Mar

LHR6:00 a.m.London Heathrow

10h 10m

1 stop

SOF6:10 p.m.Sofia

8 Apr

SOF8:00 a.m.Sofia

15h 40m

1 stop

LHR9:40 p.m.London Heathrow

C$ 316

Austrian Airlines

7 Apr

LHR6:00 a.m.London Heathrow

7h 20m

1 stop

SOF3:20 p.m.Sofia

12 Apr

SOF6:55 p.m.Sofia

15h 25m

1 stop

LHR8:20 a.m.London Heathrow

C$ 319

Austrian Airlines

30 Mar

LHR6:00 a.m.London Heathrow

10h 10m

1 stop

SOF6:10 p.m.Sofia

8 Apr

SOF8:00 a.m.Sofia

15h 40m

1 stop

LHR9:40 p.m.London Heathrow

C$ 321

momondo 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

Cheapest round-trip

Quickest round-trip

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 19/4

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

Nonstop3h 15m

Sofia

Mon 27/4

8:10 p.m.-9:30 p.m.

Nonstop3h 20m

C$ 216

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 22/4

3:10 p.m.-8:30 p.m.

Nonstop3h 20m

Sofia

Wed 29/4

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

Nonstop3h 20m

C$ 225

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 15/4

3:10 p.m.-8:30 p.m.

Nonstop3h 20m

Sofia

Wed 29/4

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

Nonstop3h 20m

C$ 239

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 15/4

3:10 p.m.-8:30 p.m.

Nonstop3h 20m

Sofia

Wed 29/4

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

Nonstop3h 20m

C$ 251

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 17/5

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

Nonstop3h 15m

Sofia

Mon 18/5

8:10 p.m.-9:30 p.m.

Nonstop3h 20m

C$ 255

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 15/4

3:10 p.m.-8:30 p.m.

Nonstop3h 20m

Sofia

Wed 29/4

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

Nonstop3h 20m

C$ 261

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 15/4

3:10 p.m.-8:30 p.m.

Nonstop3h 20m

Sofia

Wed 29/4

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

Nonstop3h 20m

C$ 262

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 22/4

3:10 p.m.-8:30 p.m.

Nonstop3h 20m

Sofia

Mon 27/4

8:10 p.m.-9:30 p.m.

Nonstop3h 20m

C$ 265

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 20/4

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

Nonstop3h 15m

Sofia

Wed 29/4

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

Nonstop3h 20m

C$ 273

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 17/4

8:10 a.m.-1:25 p.m.

Nonstop3h 15m

Sofia

Mon 27/4

8:10 p.m.-9:30 p.m.

Nonstop3h 20m

C$ 275

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from London Heathrow Airport is in November. Flight prices, which tend to average around C$ 261, are often lower during this time because this is during the off-season. If you are unable to visit Sofia during the month of November, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around C$ 291.

What is the cheapest London Heathrow to Sofia flight route?

Fly from London Heathrow to Sofia for the best London Heathrow - Sofia flight prices

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around C$ 391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from London Heathrow Airport for as low as C$ 262 on momondo.

What cabin class options are available on London Heathrow to Sofia flights?

There is only 1 cabin class available to choose from on London Heathrow to Sofia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Sofia flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Sofia.

How have London Heathrow Airport to Sofia flight prices changed over time?

As of March 2026, prices for London Heathrow Airport to Sofia flights are approximately 36% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Sofia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London Heathrow Airport to Sofia (LHR to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Sofia

Fastest flight time	3h 20m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Sofia	1 airport

The fastest flight from London Heathrow Airport to Sofia takes 3h 20m

Direct flights go from London Heathrow Airport to Sofia on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Sofia. From London Heathrow Airport there are direct flights to Sofia (SOF).

Search flight deals

How far is London Heathrow to Sofia by plane?
There are 2033.4 km between London Heathrow and Sofia. Typically, this will take 3h 20m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to Sofia Airport?
Prices for flights from London Heathrow Airport to Sofia Airport are updated daily.
How old do you have to be to fly from London Heathrow Airport to Sofia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Sofia?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Sofia is Airbus A320-100/200, representing 34.17% of all bookings. The subsequent popular models are Airbus A321neo at 24.06%, Airbus A220-300 at 23.23%, and Boeing 737 MAX 8 at 7.50%.

Borovets

Why use momondo?

Why should I use momondo to find a flight deal from London to Sofia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sofia from London.

Can I find flights from London to Sofia with flexible booking policies on momondo?

All flight searches from London to Sofia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Sofia?

Once you have performed a search for London to Sofia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Sofia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Sofia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sofia and let you know when they change.

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Cheap flights from London Heathrow Airport to Sofia from C$ 129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Sofia departing on 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from London Heathrow Airport to Sofia

Cheap round-trip flights

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British Airways flights from London Heathrow Airport to Sofia

Our best British Airways deals on London Heathrow Airport to Sofia flight tickets

Austrian Airlines flights from London Heathrow Airport to Sofia

Our best Austrian Airlines deals on London Heathrow Airport to Sofia flight tickets

momondo Fare Finder

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

See travel insights to Sofia from

How to get the cheapest flight ticket from London Heathrow Airport to Sofia

What is the cheapest month to fly to Sofia?

What is the cheapest London Heathrow to Sofia flight route?

How far in advance should I book a flight to Sofia?

What cabin class options are available on London Heathrow to Sofia flights?

Can stopping save me money on London Heathrow Airport to Sofia flights?

How have London Heathrow Airport to Sofia flight prices changed over time?

What is the cheapest airline that flies from London Heathrow to Sofia?

How often are flights from London to Sofia delayed?

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

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

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

How many flights depart from London Heathrow Airport to Sofia on average per week?

When to book flights from London Heathrow Airport to Sofia

Cheap London Heathrow Airport to Sofia (LHR to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Sofia

Fastest flight time

Direct flights

Airports in Sofia

Travelling to a place near Sofia?

Why use momondo?

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Popular flights according to clicks in the last 7 days on momondo

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