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Cheap flights from London Heathrow Airport to Sofia from £71

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
7 Apr — 14 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or January, booked 78 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Heathrow to Sofia

Enter your travel dates to find the best prices.

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 8 March 2026.

Sat 21/306:05
LHR
-
SOF
Nonstop3h 10m
British Airways
Wed 1/421:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 6/3£103
Sat 21/306:05
LHR
-
SOF
Nonstop3h 10m
British Airways
Mon 23/317:25
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 4/3£119
Sat 14/306:05
LHR
-
SOF
Nonstop3h 10m
British Airways
Wed 18/321:00
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 5/3£123
Thu 23/422:15
LHR
-
SOF
1 stop20h 15m
Aegean Airlines
Mon 27/421:20
SOF
-
LHR
1 stop20h 10m
Aegean Airlines
Deal found 6/3£124
Sun 6/1207:50
LHR
-
SOF
Nonstop3h 10m
British Airways
Wed 9/1221:00
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 4/3£124
Wed 25/306:30
LHR
-
SOF
1 stop5h 20m
LOT
Wed 1/405:25
SOF
-
LHR
1 stop18h 35m
LOT
Deal found 6/3£130
Sun 8/307:50
LHR
-
SOF
Nonstop3h 10m
British Airways
Wed 18/321:00
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 6/3£135
Wed 18/314:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Wed 1/421:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 3/3£136
Fri 20/306:30
LHR
-
SOF
1 stop9h 20m
LOT
Thu 26/314:35
SOF
-
LHR
1 stop21h 00m
LOT
Deal found 6/3£138
Sat 21/306:05
LHR
-
SOF
Nonstop3h 10m
British Airways
Sat 28/312:05
SOF
-
LHR
Nonstop3h 45m
British Airways
Deal found 4/3£139
Sun 22/307:50
LHR
-
SOF
Nonstop3h 10m
British Airways
Sun 29/321:05
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 4/3£139

Find flight deals from Heathrow to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 March 2026.

Round-trip from

£103

One-way from

£71

Popular in

December

Cheapest in

November

Average price

£201

Good round-trip deal

£206 or less

Good one-way deal

£103 or less
British Airways
  • British Airways
  • 21/3-1/4
  • Nonstop
  • 6h 30m total
  • London to Sofia
Search Deals
Aegean Airlines
  • Aegean Airlines
  • 5/4
  • 1 total stop
  • 9h 50m total
  • London to Sofia
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 8 March 2026.
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 return flight

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 18/3

11:10-22:45

1 stop9h 35m

Sofia

Tue 31/3

19:25-22:40

1 stop5h 15m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 25/4

10:50-23:00

1 stop10h 10m

Sofia

Fri 1/5

19:25-22:40

1 stop5h 15m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 4/6

06:30-01:45

1 stop17h 15m

Sofia

Tue 9/6

18:45-17:10

1 stop24h 25m

£184

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 21/3

18:40-13:15

2 stops16h 35m

Sofia

Tue 31/3

13:05-16:25

1 stop5h 20m

£198

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 2/6

20:05-10:20

1 stop12h 15m

Sofia

Tue 16/6

13:05-21:30

2 stops10h 25m

£209

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 10/6

18:40-12:10

2 stops15h 30m

Sofia

Mon 15/6

15:40-19:20

1 stop5h 40m

£217

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 1/9

20:05-10:20

1 stop12h 15m

Sofia

Tue 15/9

13:05-21:30

2 stops10h 25m

£221
Fastest return journey

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 10/4

10:20-18:00

1 stop5h 40m

Sofia

Fri 8/5

14:15-15:50

Nonstop3h 35m

£224

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 3/9

18:40-12:10

2 stops15h 30m

Sofia

Thu 17/9

11:05-16:25

1 stop7h 20m

£230

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 1/4

20:05-10:20

1 stop12h 15m

Sofia

Wed 15/4

12:55-21:45

2 stops10h 50m

£230

Flights are sorted by cheapest return flights first.

Deals found on 7/3

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

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?

Use this chart to determine the optimal time to book a return flight from Heathrow to Sofia. Price data was last updated on 6 March 2026.

The best time to book flights from London Heathrow Airport to Sofia is 78 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £65). Flying from London Heathrow Airport to Sofia in August is currently the most expensive (average of £179). 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?

Find hourly flight availability from Heathrow to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 March 2026.

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 25% versus a flight in the afternoon.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated 8 March 2026.
See what other customers who have flown with Austrian Airlines, LOT, 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.
Austrian Airlines
7.6
Good
900 reviews
Check prices

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Austrian Airlines
7.6
Good
900 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
LOT
7.5
Good
1,183 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Lufthansa
6.8
Okay
7,838 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
British Airways
6.7
Okay
7,779 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

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?

    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 7 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 Lufthansa, LOT, and SWISS fly from London Heathrow Airport to Sofia in about 9h 35m. The time it takes to get you to your destination can typically vary by up to 7h 40m. 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 £43 on this airline. Additional options worth looking into are Ryanair and British Airways, starting at £60 and £100 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 79% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London Heathrow Airport to Sofia one-way?

    The cheapest airline one-way is Wizz Air, with whom users have recently found tickets for as low as £44. However, be on the lookout for offers from British Airways and Bulgaria Air, as they are both options that can get you from London Heathrow Airport to Sofia for a low price.

  • 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 £181, our data indicates the cheapest price to be £78. 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £65). Flying from London Heathrow Airport to Sofia in August is currently the most expensive (average of £179). 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

Travelling to a place near Sofia?

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

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Alternative routes for Heathrow to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Sofia flights
Luton to Sofia flights
London City to Sofia flights
Stansted to Sofia flights
Southend to Sofia flights

Top 7 airlines flying from Heathrow to Sofia

Discover the top 7 airlines that operate flights from Heathrow to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£43Average£133FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
RyanairCheapest£60Average£83FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£100Average£219FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£153Average£221FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Bulgaria AirCheapest£154Average£231FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
LOTCheapest£158Average£246FlexibilityNo cancel feeOn-time81%
Search LOT flights
Austrian AirlinesCheapest£167Average£203FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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