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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 Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in January or March, booked 17 days in advance, depart on a Tuesday or Monday and return on a Thursday

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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 14 November 2025.

Sat 29/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Sat 6/1212:05SOF - LHR
Nonstop3h 45mBritish Airways
Deal found 12/11£100
Sat 29/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Wed 10/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 13/11£131
Tue 25/1122:15LHR - SOF
1 stop14h 45mAegean Airlines
Tue 9/1220:20SOF - LHR
1 stop23h 35mAegean Airlines
Deal found 13/11£138
Sat 15/1106:05LHR - SOF
Nonstop3h 10mBritish Airways
Mon 17/1117:25SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 12/11£139
Wed 3/1206:35LHR - SOF
1 stop4h 40mLufthansa
Wed 17/1214:00SOF - LHR
1 stop10h 55mLufthansa
Deal found 12/11£147
Tue 2/1206:35LHR - SOF
1 stop4h 40mLufthansa
Wed 17/1214:00SOF - LHR
1 stop10h 55mLufthansa
Deal found 12/11£148
Sat 29/1106:35LHR - SOF
1 stop4h 40mLufthansa
Sun 14/1214:00SOF - LHR
1 stop6h 35mLufthansa
Deal found 13/11£150
Sat 29/1106:35LHR - SOF
1 stop4h 40mLufthansa
Wed 10/1206:05SOF - LHR
1 stop11h 45mLufthansa
Deal found 13/11£152
Thu 27/1106:35LHR - SOF
1 stop4h 40mLufthansa
Sun 30/1106:05SOF - LHR
1 stop6h 20mLufthansa
Deal found 12/11£153
Sat 22/1111:10LHR - SOF
1 stop5h 10mLufthansa
Wed 26/1114:00SOF - LHR
1 stop10h 55mLufthansa
Deal found 12/11£154
Fri 12/1206:30LHR - SOF
1 stop5h 20mLOT
Mon 15/1214:35SOF - LHR
1 stop21h 00mLOT
Deal found 12/11£155
Sat 6/1206:05LHR - SOF
Nonstop3h 10mBritish Airways
Sun 7/1214:30SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 13/11£156

Cheap 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 14 November 2025.

Round-trip from

£100

One-way from

£65

Popular in

December

Cheapest in

January

Average price

£152

Good round-trip deal

£158 or less

Good one-way deal

£72 or less
British Airways
  • British Airways
  • 29/11-6/12
  • Nonstop
  • 6h 55m total
  • London to Sofia
Search Deals
15/1
  • 15/1
  • 1 total stop
  • 9h 45m total
  • London to Sofia
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Sofia.
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Price to beat on a one-way flight from London Heathrow to Sofia.
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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 14 November 2025.
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 14/3

06:05-11:15

Nonstop3h 10m

Sofia

Sun 15/3

14:30-16:00

Nonstop3h 30m

£145

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 3/12

06:35-13:15

1 stop4h 40m

Sofia

Wed 17/12

14:00-22:55

1 stop10h 55m

£147

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 17/3

06:35-13:15

1 stop4h 40m

Sofia

Tue 31/3

19:25-22:40

1 stop5h 15m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 4/3

13:50-22:45

1 stop6h 55m

Sofia

Wed 18/3

19:05-22:55

1 stop5h 50m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 3/3

06:35-13:15

1 stop4h 40m

Sofia

Mon 16/3

13:45-17:05

1 stop5h 20m

£154

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Tue 17/3

06:35-13:15

1 stop4h 40m

Sofia

Sat 21/3

06:05-15:50

1 stop11h 45m

£155

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Fri 12/12

06:30-13:50

1 stop5h 20m

Sofia

Sun 14/12

18:35-09:35

1 stop17h 00m

£157

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Wed 18/3

13:20-15:30

1 stop24h 10m

Sofia

Thu 2/4

16:05-12:35

1 stop22h 30m

£157

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 11/12

06:35-13:15

1 stop4h 40m

Sofia

Thu 25/12

14:00-18:35

1 stop6h 35m

£157

LondonSofia

LHR - SOF

LHRSOF

London Heathrow

Thu 2/4

13:30-15:35

1 stop24h 05m

Sofia

Mon 6/4

16:05-12:35

1 stop22h 30m

£158

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 22 results
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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 7 November 2025.

The best time to book flights from London Heathrow Airport to Sofia is 17 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £41). Flying from London Heathrow Airport to Sofia in July is currently the most expensive (average of £169). 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 14 November 2025.

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 41% versus a flight in the evening.

What is the cheapest day to fly from London Heathrow Airport to Sofia?

Use this chart to determine the cheapest time to fly return from Heathrow to Sofia. Price data was last updated on 2 November 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Sofia flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 14 November 2025.
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
869 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
869 reviews
Austrian Airlines
7.6
Good
869 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
LOT
7.5
Good
1,134 reviews
Austrian Airlines
7.6
Good
869 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,572 reviews
Austrian Airlines
7.6
Good
869 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,521 reviews
Austrian Airlines
7.6
Good
869 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.8

Boarding

7.6

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

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 8 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 and Lufthansa 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 1h 30m. 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 £37 on this airline. Additional options worth looking into are Air Serbia and Ryanair, starting at £54 and £60 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 81% less than the average price by searching for these airlines.

  • What are the most reliable airlines from London Heathrow Airport to Sofia?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Sofia are Bulgaria Air (86%), American Airlines (63%) and British Airways (56%).

  • 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 £172, our data indicates the cheapest price to be £70. The most popular route (London Heathrow - Sofia), is priced around £100.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Sofia (average of £41). Flying from London Heathrow Airport to Sofia in July is currently the most expensive (average of £169). 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 8 airlines flying from Heathrow to Sofia

Discover the top 8 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£37Average£111FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
Air SerbiaCheapest£54Average£146FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
RyanairCheapest£60Average£85FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£101Average£197FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£145Average£239FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£146Average£204FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Bulgaria AirCheapest£160Average£236FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
Austrian AirlinesCheapest£160Average£205FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Sofia?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sofia?

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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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