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Cheap flights from London Heathrow Airport to Sofia from £69

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
26 Mar — 2 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 24 February 2026.

Wed 14/1015:10
LHR
-
SOF
Nonstop3h 20m
British Airways
Wed 21/1021:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 22/2£93
Sat 21/306:05
LHR
-
SOF
Nonstop3h 10m
British Airways
Wed 1/421:25
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 20/2£104
Sat 21/306:05
LHR
-
SOF
Nonstop3h 10m
British Airways
Sun 29/321:05
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 21/2£107
Wed 14/1015:10
LHR
-
SOF
Nonstop3h 20m
British Airways
Mon 19/1020:10
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 22/2£110
Wed 18/314:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Mon 23/317:25
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 22/2£112
Wed 18/314:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Wed 25/321:00
SOF
-
LHR
Nonstop3h 30m
British Airways
Deal found 22/2£113
Mon 16/322:15
LHR
-
SOF
1 stop19h 15m
Aegean Airlines
Fri 20/320:20
SOF
-
LHR
1 stop26h 55m
Aegean Airlines
Deal found 22/2£120
Sun 8/307:50
LHR
-
SOF
Nonstop3h 10m
Multiple Airlines
Mon 16/310:25
SOF
-
LHR
1 stop9h 30m
Multiple Airlines
Deal found 21/2£126
Sun 11/1014:55
LHR
-
SOF
Nonstop3h 15m
British Airways
Sun 18/1021:05
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 22/2£127
Thu 16/422:15
LHR
-
SOF
1 stop20h 15m
Aegean Airlines
Fri 24/421:20
SOF
-
LHR
1 stop15h 55m
Aegean Airlines
Deal found 23/2£128
Sun 8/307:50
LHR
-
SOF
Nonstop3h 10m
British Airways
Mon 30/320:10
SOF
-
LHR
Nonstop3h 20m
British Airways
Deal found 23/2£129

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 24 February 2026.

Round-trip from

£104

One-way from

£69

Popular in

December

Cheapest in

November

Average price

£193

Good round-trip deal

£212 or less

Good one-way deal

£119 or less
British Airways
  • British Airways
  • 21/3-1/4
  • Nonstop
  • 6h 30m total
  • London to Sofia
Search Deals
Aegean Airlines
  • Aegean Airlines
  • 19/3
  • 1 total stop
  • 19h 15m total
  • London to Sofia
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 24 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Sofia that are best for you.

Fly from

Heathrow

Fly to

Sofia

Route

Depart

Return

Price

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 7/3

06:05-11:15

Nonstop3h 10m

Sofia

Wed 11/3

21:00-22:30

Nonstop3h 30m

£141

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 13/3

06:35-13:15

1 stop4h 40m

Sofia

Sat 14/3

14:00-17:05

1 stop5h 05m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 21/3

13:50-22:45

1 stop6h 55m

Sofia

Sun 29/3

19:40-22:40

1 stop5h 00m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 15/5

13:30-03:00

1 stop11h 30m

Sofia

Tue 19/5

16:05-12:30

1 stop22h 25m

£173

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sun 8/3

07:50-13:00

Nonstop3h 10m

Sofia

Sat 14/3

12:05-13:50

Nonstop3h 45m

£215

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 9/4

06:00-15:20

1 stop7h 20m

Sofia

Thu 9/4

19:25-07:40

2 stops14h 15m

£218

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 14/3

20:05-13:15

2 stops15h 10m

Sofia

Mon 16/3

13:45-21:40

2 stops9h 55m

£224

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 14/3

06:05-11:15

Nonstop3h 10m

Sofia

Mon 16/3

17:25-18:55

Nonstop3h 30m

£235

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 7/3

06:05-11:15

Nonstop3h 10m

Sofia

Sat 14/3

12:05-13:50

Nonstop3h 45m

£259

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Sat 25/4

20:05-12:10

2 stops14h 05m

Sofia

Mon 27/4

12:55-21:45

2 stops10h 50m

£261

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 23 results
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2
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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 20 February 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, June is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £60). Flying from London Heathrow Airport to Sofia in August is currently the most expensive (average of £172). 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 24 February 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 24 February 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

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Crew

8.1

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

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Crew

8.1

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
1,181 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Crew

8.1

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
7,808 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Crew

8.1

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
7,761 reviews
Austrian Airlines
7.6
Good
900 reviews
Check prices

Food

6.8

Overall

7.6

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Crew

8.1

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 British Airways, Lufthansa, and Air Serbia fly from London Heathrow Airport to Sofia in about 3h 10m. The time it takes to get you to your destination can typically vary by up to 8h 20m. 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 £59 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 £182, our data indicates the cheapest price to be £92. The most popular route (London Heathrow - Sofia), is priced around £104.

  • 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, June is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £60). Flying from London Heathrow Airport to Sofia in August is currently the most expensive (average of £172). 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
Stansted to Sofia flights
London City 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 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£43Average£132FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
RyanairCheapest£59Average£83FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£100Average£209FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£152Average£218FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£157Average£236FlexibilityNo cancel feeOn-time81%
Search LOT flights
Austrian AirlinesCheapest£166Average£202FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Bulgaria AirCheapest£167Average£231FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air 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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