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Cheap flights from London Heathrow Airport to Sofia from £65

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 16/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Sofia

Cheap return flights

British Airways Logo
06:05 - 11:15LHR-SOF
3h 10mdirect
British Airways Logo
12:05 - 13:50SOF-LHR
3h 45mdirect
£104British Airways
Find Deal
Sat, 29 Nov - Sat, 6 Dec
British Airways Logo
06:05 - 11:15LHR-SOF
3h 10mdirect
British Airways Logo
14:30 - 16:00SOF-LHR
3h 30mdirect
£113British Airways
Find Deal
Sat, 29 Nov - Sun, 30 Nov
Air Serbia Logo
13:30 - 15:35LHR-SOF
24h 05m1 stop
Air Serbia Logo
16:05 - 12:30SOF-LHR
22h 25m1 stop
£146Air Serbia
Find Deal
Wed, 10 Sep - Tue, 16 Sep
Lufthansa Logo
11:10 - 22:45LHR-SOF
9h 35m1 stop
Lufthansa Logo
06:05 - 15:50SOF-LHR
11h 45m1 stop
£148Lufthansa
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Thu, 30 Oct - Thu, 13 Nov
Logo
15:25 - 20:40LHR-SOF
3h 15mdirect
Logo
16:05 - 12:30SOF-LHR
22h 25m1 stop
£149
Find Deal
Wed, 10 Sep - Tue, 16 Sep
Air Serbia Logo
13:30 - 15:35LHR-SOF
24h 05m1 stop
Air Serbia Logo
16:05 - 12:30SOF-LHR
22h 25m1 stop
£150Air Serbia
Find Deal
Mon, 1 Sep - Tue, 30 Sep
Lufthansa Logo
06:35 - 22:45LHR-SOF
14h 10m1 stop
Lufthansa Logo
19:05 - 22:55SOF-LHR
5h 50m1 stop
£150Lufthansa
Find Deal
Wed, 29 Oct - Wed, 12 Nov
Logo
08:45 - 18:55LHR-SOF
8h 10m1 stop
Logo
05:00 - 12:30SOF-LHR
9h 30m1 stop
£155
Find Deal
Fri, 10 Oct - Mon, 13 Oct
Austrian Airlines Logo
19:30 - 23:55LHR-SOF
26h 25m1 stop
Austrian Airlines Logo
16:05 - 08:20SOF-LHR
18h 15m1 stop
£169Austrian Airlines
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Mon, 15 Sep - Mon, 22 Sep
Austrian Airlines Logo
06:00 - 11:40LHR-SOF
27h 40m1 stop
Austrian Airlines Logo
12:25 - 08:45SOF-LHR
22h 20m1 stop
£170Austrian Airlines
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Mon, 8 Sep - Sat, 13 Sep

British Airways flights from London Heathrow Airport to Sofia

Our best British Airways deals on London Heathrow Airport to Sofia flight tickets
British Airways
29 Nov
LHR06:05London Heathrow
3h 10m
SOF11:15Sofia
6 Dec
SOF12:05Sofia
3h 45m
LHR13:50London Heathrow
£104
Find similar
British Airways
29 Nov
LHR06:05London Heathrow
3h 10m
SOF11:15Sofia
30 Nov
SOF14:30Sofia
3h 30m
LHR16:00London Heathrow
£113
Find similar
British Airways
30 Nov
LHR07:50London Heathrow
3h 10m
SOF13:00Sofia
6 Dec
SOF12:05Sofia
3h 45m
LHR13:50London Heathrow
£123
Find similar

SWISS flights from London Heathrow Airport to Sofia

Our best SWISS deals on London Heathrow Airport to Sofia flight tickets
SWISS
29 Nov
LHR20:05London Heathrow
12h 10m
1 stop
SOF10:15Sofia
1 Dec
SOF15:00Sofia
4h 50m
1 stop
LHR17:50London Heathrow
£166
Find similar
SWISS
8 Sept
LHR20:05London Heathrow
14h 25m
1 stop
SOF12:30Sofia
10 Sept
SOF10:50Sofia
23h 05m
1 stop
LHR07:55London Heathrow
£172
Find similar
SWISS
8 Sept
LHR20:05London Heathrow
14h 25m
1 stop
SOF12:30Sofia
10 Sept
SOF10:50Sofia
23h 05m
1 stop
LHR07:55London Heathrow
£172
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 2 August 2025.
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 29/11

06:05-11:15

Nonstop3h 10m

Sofia

Sat 6/12

12:05-13:50

Nonstop3h 45m

£104

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 29/11

06:05-11:15

Nonstop3h 10m

Sofia

Sun 30/11

14:30-16:00

Nonstop3h 30m

£113

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 10/9

13:30-15:35

1 stop24h 05m

Sofia

Tue 16/9

16:05-12:30

1 stop22h 25m

£146

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 30/10

11:10-22:45

1 stop9h 35m

Sofia

Thu 13/11

06:05-15:50

1 stop11h 45m

£148

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 10/9

15:25-20:40

Nonstop3h 15m

Sofia

Tue 16/9

16:05-12:30

1 stop22h 25m

£149

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 1/9

13:30-15:35

1 stop24h 05m

Sofia

Tue 30/9

16:05-12:30

1 stop22h 25m

£150

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 29/10

06:35-22:45

1 stop14h 10m

Sofia

Wed 12/11

19:05-22:55

1 stop5h 50m

£150

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 10/10

08:45-18:55

1 stop8h 10m

Sofia

Mon 13/10

05:00-12:30

1 stop9h 30m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 15/9

19:30-23:55

1 stop26h 25m

Sofia

Mon 22/9

16:05-08:20

1 stop18h 15m

£169

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Mon 8/9

06:00-11:40

1 stop27h 40m

Sofia

Sat 13/9

12:25-08:45

1 stop22h 20m

£170

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sofia from

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

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 month of November is, on average, the cheapest month to fly to Sofia from London Heathrow Airport, with most prices found around £143. If you aren’t able to travel to Sofia during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £147.

What is the cheapest day to depart on your flight to Sofia?

On average, the least expensive day to fly to Sofia from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £134. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Sofia for around £188.

What is the cheapest time of day to depart on your flight to Sofia?

Our data shows that the cheapest London Heathrow Airport to Sofia flights are usually those with departure times in the evening. Our users have found flights to Sofia in the evening for as low as £146. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £179 on average. Flights to Sofia from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £203 when searching weeks before you fly. 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 £178 on momondo.

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

There are 2 cabin classes 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 August 2025, prices for London Heathrow Airport to Sofia flights are approximately 5% 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 return 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

Best price found

£65

Fastest flight time

3h 10m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Sofia

1 airport
The best one-way flight to Sofia from London Heathrow Airport in the past 72 hours is £65. The best return flight deal from London Heathrow Airport to Sofia found on momondo in the last 72 hours is £104.
The fastest flight from London Heathrow Airport to Sofia takes 3h 10m
Direct flights go from London Heathrow Airport to Sofia on Monday, Tuesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: Bulgaria Air and British Airways..
There is 1 airport near Sofia: Sofia (SOF)
Search flight deals

  • How far is London Heathrow to Sofia by plane?

    The straight-line distance from London Heathrow to Sofia is 1263.5 mi. Typically, this will take 3h 10m 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 refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Sofia Airport?

  • 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?

  • What is the most popular airline from London Heathrow Airport to Sofia?

Best airlines flying from London Heathrow Airport to Sofia

Compare and see reviews for airlines that fly from London Heathrow Airport to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Wizz AirPriceFrom £37Free CancellationRating
6.8
1,057 reviews
Search Wizz Air flights
RyanairPriceFrom £44Free CancellationRating
6.8
5,153 reviews
Search Ryanair flights
Air SerbiaPriceFrom £54Free CancellationRating
6.3
196 reviews
Search Air Serbia flights
British AirwaysPriceFrom £97Free CancellationRating
6.6
7,224 reviews
Search British Airways flights
LufthansaPriceFrom £137Free CancellationRating
6.8
7,276 reviews
Search Lufthansa flights
LOTPriceFrom £141Free CancellationRating
7.6
1,106 reviews
Search LOT flights
Bulgaria AirPriceFrom £158Free CancellationRating
8.0
58 reviews
Search Bulgaria Air flights
Austrian AirlinesPriceFrom £160Free CancellationRating
7.6
823 reviews
Search Austrian Airlines flights

  • Bulgaria Air Flights From London Heathrow Airport to Sofia

    Bulgaria Air flies from London Heathrow Airport to Sofia around 3 times per week, with 58 momondo users rating the airline 8.0/10. The cheapest Bulgaria Air deal from London Heathrow Airport to Sofia in the last 72 hours was £209 (round-trip), much lower than the average airfare cost of £309 for Bulgaria Air flights on this route.

  • British Airways Flights From London Heathrow Airport to Sofia

    The best British Airways deal for London Heathrow Airport to Sofia flight tickets found on momondo in the last 72 hours was £128, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at £258 round-trip. British Airways operates 2 flights out of London Heathrow Airport into Sofia in an average week, so prices vary by time and availability. 7,224 British Airways reviews by users on momondo have scored the airline at 6.6/10.

Travelling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Sofia . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for London to Sofia flights to just show those with flexible booking policies.

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

Once all potential London to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for London to Sofia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly your favourite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
British Airways
Ryanair
easyJet
Turkish Airlines
Emirates
Qatar Airways
Etihad Airways
Lufthansa
Virgin Atlantic
Pegasus Airlines
KLM
Air India