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

British Airways and Air Serbia are the most popular carriers operating from London Heathrow to Sofia

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 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. Friday has historically seen more delays on average compared to the rest of the week.

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.

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 3 per week as of June 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

How often are flights from London to Sofia delayed?

Historically, on average around 12% 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 121 minutes.

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$ 151 Cheap Flights from London Heathrow Airport to Sofia in 2026

Q: What is the typical price of a round-trip flight between London Heathrow Airport and Sofia?

Prices are currently low for flights on this route. Typical prices usually range from C$ 349 to C$ 546. The lowest price recently found on this route was C$ 232.

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

12:05 p.m. - 1:50 p.m.

SOF

LHR

3h 45mdirect

C$ 232British Airways

Wed, 4 Nov - Sat, 14 Nov

10:15 p.m. - 8:10 p.m.

LHR

SOF

19h 55m

1 stop

12:05 p.m. - 1:50 p.m.

SOF

LHR

3h 45mdirect

C$ 287Multiple Airlines

Wed, 4 Nov - Sat, 14 Nov

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

LHR

SOF

3h 15mdirect

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

SOF

LHR

3h 20mdirect

C$ 290British Airways

Sun, 4 Oct - Wed, 14 Oct

6:30 a.m. - 1:50 p.m.

LHR

SOF

5h 20m

1 stop

6:35 p.m. - 5:20 p.m.

SOF

LHR

24h 45m

1 stop

C$ 310LOT

Wed, 4 Nov - Sat, 14 Nov

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$ 334British Airways

Mon, 5 Oct - Wed, 14 Oct

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

LHR

SOF

11h 30m

1 stop

4:00 p.m. - 7:05 p.m.

SOF

LHR

5h 05m

1 stop

C$ 335Air Serbia

Sun, 4 Oct - Sat, 17 Oct

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

LHR

SOF

3h 15mdirect

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

SOF

LHR

3h 20mdirect

C$ 337British Airways

Fri, 25 Sep - Wed, 7 Oct

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$ 341British Airways

Sun, 4 Oct - Mon, 12 Oct

1:35 p.m. - 11:15 p.m.

LHR

SOF

7h 40m

1 stop

6:40 p.m. - 10:10 p.m.

SOF

LHR

5h 30m

1 stop

C$ 344Lufthansa

Fri, 11 Sep - Tue, 15 Sep

8:05 p.m. - 12:55 p.m.

LHR

SOF

14h 50m

1 stop

3:40 p.m. - 7:20 p.m.

SOF

LHR

5h 40m

1 stop

C$ 345SWISS

Fri, 25 Sep - Mon, 5 Oct

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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

British Airways

4 Nov

LHR2:55 p.m.London Heathrow

3h 15m

SOF8:10 p.m.Sofia

14 Nov

SOF12:05 p.m.Sofia

3h 45m

LHR1:50 p.m.London Heathrow

C$ 232

British Airways

4 Oct

LHR2:55 p.m.London Heathrow

3h 15m

SOF8:10 p.m.Sofia

14 Oct

SOF9:25 p.m.Sofia

3h 20m

LHR10:45 p.m.London Heathrow

C$ 290

British Airways

5 Oct

LHR2:05 p.m.London Heathrow

3h 15m

SOF7:20 p.m.Sofia

14 Oct

SOF9:25 p.m.Sofia

3h 20m

LHR10:45 p.m.London Heathrow

C$ 334

SWISS flights from London Heathrow Airport to Sofia

Our best SWISS deals on London Heathrow Airport to Sofia flight tickets

SWISS

25 Sep

LHR8:05 p.m.London Heathrow

14h 50m

1 stop

SOF12:55 p.m.Sofia

5 Oct

SOF3:40 p.m.Sofia

5h 40m

1 stop

LHR7:20 p.m.London Heathrow

C$ 345

SWISS

18 Sep

LHR8:05 p.m.London Heathrow

14h 50m

1 stop

SOF12:55 p.m.Sofia

21 Sep

SOF3:40 p.m.Sofia

5h 40m

1 stop

LHR7:20 p.m.London Heathrow

C$ 347

SWISS

1 Jul

LHR8:05 p.m.London Heathrow

12h 15m

1 stop

SOF10:20 a.m.Sofia

4 Jul

SOF12:55 p.m.Sofia

10h 50m

2 stops

LHR9:45 p.m.London Heathrow

C$ 389

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

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 4/11

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

Nonstop3h 15m

Sofia

Sat 14/11

12:05 p.m.-1:50 p.m.

Nonstop3h 45m

C$ 232

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 4/11

10:15 p.m.-8:10 p.m.

1 stop19h 55m

Sofia

Sat 14/11

12:05 p.m.-1:50 p.m.

Nonstop3h 45m

C$ 287

Quickest round-trip

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 4/10

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

Nonstop3h 15m

Sofia

Wed 14/10

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

Nonstop3h 20m

C$ 290

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 4/11

6:30 a.m.-1:50 p.m.

1 stop5h 20m

Sofia

Sat 14/11

6:35 p.m.-5:20 p.m.

1 stop24h 45m

C$ 310

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 5/10

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

Nonstop3h 15m

Sofia

Wed 14/10

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

Nonstop3h 20m

C$ 334

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 4/10

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

1 stop11h 30m

Sofia

Sat 17/10

4:00 p.m.-7:05 p.m.

1 stop5h 05m

C$ 335

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 25/9

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

Nonstop3h 15m

Sofia

Wed 7/10

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

Nonstop3h 20m

C$ 337

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 4/10

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

Nonstop3h 15m

Sofia

Mon 12/10

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

Nonstop3h 20m

C$ 341

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 11/9

1:35 p.m.-11:15 p.m.

1 stop7h 40m

Sofia

Tue 15/9

6:40 p.m.-10:10 p.m.

1 stop5h 30m

C$ 344

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 25/9

8:05 p.m.-12:55 p.m.

1 stop14h 50m

Sofia

Mon 5/10

3:40 p.m.-7:20 p.m.

1 stop5h 40m

C$ 345

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 typical price of a round-trip flight between London Heathrow Airport and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from London Heathrow Airport is in January. Flight prices, which tend to average around C$ 248, are often lower during this time because this is during the off-season. If you are unable to visit Sofia during the month of January, then departing from London Heathrow Airport during the month November is also very affordable. Most momondo users find prices during this month for around C$ 270.

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 from London Heathrow Airport 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$ 399 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$ 377 on momondo.

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

There is only 1 cabin class available to choose from on London Heathrow Airport 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 June 2026, prices for London Heathrow Airport to Sofia flights are approximately 12% cheaper 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

Frequently asked questions about flying from London Heathrow Airport to Sofia

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 A321neo, representing 24.96% of all bookings. The subsequent popular models are Airbus A220-300 at 24.64%, Airbus A320-100/200 at 21.90%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 14.49%.

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.

An easier way to manage your Sofia trip

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Flights to Varnafrom C$ 1,345

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Cheap flights from London Heathrow Airport to Sofia from C$ 151

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 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from London Heathrow Airport to Sofia

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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

SWISS flights from London Heathrow Airport to Sofia

Our best SWISS 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 typical price of a round-trip flight between London Heathrow Airport and 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 from London Heathrow Airport to Sofia?

What cabin class options are available on London Heathrow Airport 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

Frequently asked questions about flying from London Heathrow Airport to 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.

Find better results for your trip to Bulgaria

Popular Cities in Bulgaria

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

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According to popular flight searches on momondo this year

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