Cheap flights from London to Sofia from £21

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SOF
9 Sep — 16 Sep1
1 adult

Cheapflights Tip: The best prices from London to Sofia are usually found in November or January, booked 50 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from London to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 4 September 2025.

Round-trip from

£55

One-way from

£21

Popular in

July

Cheapest in

November

Average price

£99

Good round-trip deal

£58 or less

Good one-way deal

£25 or less
Wizz Air
  • Wizz Air
  • 3/10-5/10
  • Nonstop
  • 6h 30m total
  • London to Sofia
Wizz Air
  • Wizz Air
  • 15/9
  • Nonstop
  • 3h 10m total
  • London to Sofia
Highest demand for flights based on searches. 28% potential increase in price (£39 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from London (LON) to Sofia.
Price to beat on a one-way flight from London (LON) to Sofia.

Find flight deals from London to Sofia

Cheapest flights from London to Sofia
Explore the most affordable flight options available from London to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2025.

Fri 3/1021:20LTN - SOF
Nonstop3h 10mWizz Air
Sun 5/1006:10SOF - LTN
Nonstop3h 20mWizz Air
Deal found 3/9£55
Thu 2/1020:00STN - SOF
Nonstop3h 00mRyanair
Sat 4/1005:45SOF - STN
Nonstop3h 15mRyanair
Deal found 3/9£55
Thu 25/921:20LTN - SOF
Nonstop3h 10mWizz Air
Tue 30/906:10SOF - LTN
Nonstop3h 20mWizz Air
Deal found 2/9£57
Fri 19/921:20LTN - SOF
Nonstop3h 10mWizz Air
Fri 26/906:10SOF - LTN
Nonstop3h 20mWizz Air
Deal found 3/9£57
Wed 15/1015:10LTN - SOF
2 stops26h 15mMultiple Airlines
Mon 20/1006:10SOF - LTN
Nonstop3h 20mMultiple Airlines
Deal found 3/9£60
Sat 8/1116:25STN - SOF
Nonstop3h 25mRyanair
Sun 9/1105:50SOF - STN
Nonstop3h 25mRyanair
Deal found 3/9£60
Thu 2/1005:30LTN - SOF
1 stop9h 45mMultiple Airlines
Sat 4/1006:10SOF - LTN
Nonstop3h 20mMultiple Airlines
Deal found 2/9£60
Thu 6/1113:10STN - SOF
Nonstop3h 25mRyanair
Sun 9/1105:50SOF - STN
Nonstop3h 25mRyanair
Deal found 3/9£60
Fri 7/1105:55STN - SOF
Nonstop3h 25mRyanair
Sun 9/1121:00SOF - STN
Nonstop3h 25mRyanair
Deal found 2/9£61
Fri 7/1121:45LTN - SOF
Nonstop3h 10mMultiple Airlines
Sun 9/1120:55SOF - LTN
1 stop13h 35mMultiple Airlines
Deal found 2/9£62
Fri 17/1019:20STN - SOF
Nonstop3h 00mRyanair
Sun 19/1006:15SOF - STN
Nonstop3h 15mRyanair
Deal found 3/9£62
Thu 25/921:20LTN - SOF
Nonstop3h 10mMultiple Airlines
Tue 30/923:35SOF - LTN
1 stop15h 55mMultiple Airlines
Deal found 1/9£63

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 4 September 2025.
Use the filters below to find and compare flights from London to Sofia that are best for you.

Fly from

London

Fly to

Sofia

Route

Depart

Return

Price

LondonSofia

LTN - SOF

LTNSOF

London Luton

Fri 3/10

21:20-02:30

Nonstop3h 10m

Sofia

Sun 5/10

06:10-07:30

Nonstop3h 20m

£55

LondonSofia

STN - SOF

STNSOF

London Stansted

Mon 8/12

07:35-13:00

Nonstop3h 25m

Sofia

Wed 10/12

21:55-23:20

Nonstop3h 25m

£55

LondonSofia

STN - SOF

STNSOF

London Stansted

Thu 2/10

20:00-01:00

Nonstop3h 00m

Sofia

Sat 4/10

05:45-07:00

Nonstop3h 15m

£55

LondonSofia

LTN - SOF

LTNSOF

London Luton

Tue 18/11

15:25-15:00

2 stops21h 35m

Sofia

Wed 26/11

06:00-07:35

Nonstop3h 35m

£57

LondonSofia

LTN - SOF

LTNSOF

London Luton

Thu 25/9

21:20-02:30

Nonstop3h 10m

Sofia

Tue 30/9

06:10-07:30

Nonstop3h 20m

£57

LondonSofia

LTN - SOF

LTNSOF

London Luton

Mon 29/9

21:20-02:30

Nonstop3h 10m

Sofia

Wed 1/10

06:45-13:40

1 stop8h 55m

£57

LondonSofia

LTN - SOF

LTNSOF

London Luton

Sat 18/10

21:20-09:00

1 stop9h 40m

Sofia

Sat 25/10

06:10-07:30

Nonstop3h 20m

£57

LondonSofia

LTN - SOF

LTNSOF

London Luton

Fri 3/10

21:20-02:30

Nonstop3h 10m

Sofia

Mon 6/10

19:15-20:40

Nonstop3h 25m

£57

LondonSofia

LTN - SOF

LTNSOF

London Luton

Fri 19/9

21:20-02:30

Nonstop3h 10m

Sofia

Fri 26/9

06:10-07:30

Nonstop3h 20m

£57

LondonSofia

STN - SOF

STNSOF

London Stansted

Sun 7/12

07:40-13:05

Nonstop3h 25m

Sofia

Sat 13/12

22:30-23:55

Nonstop3h 25m

£59

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 60 results
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Best time to book a flight from London to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from London 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 to Sofia

How far ahead should I book a flight from London to Sofia?

Use this chart to determine the optimal time to book a return flight from London to Sofia. Price data was last updated on 29 August 2025.

The price you pay for your flight from London to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Sofia?

Currently, January is the cheapest month in which you can book a flight from London to Sofia (average of £88). Flying from London to Sofia in August is currently the most expensive (average of £310). 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 LON to SOF?

Find hourly flight availability from London 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 4 September 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from London to Sofia by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly return from London to Sofia. Price data was last updated on 16 December 2024.

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

Weekly flight availability from London to Sofia

Explore weekly flight availability from London to Sofia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 September 2025.

The most flights from LON to SOF are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost for a return flight from London to Sofia?

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 4 September 2025.
Read reviews from past customers who have flown with Ryanair, Lufthansa, andWizz Air from London to Sofia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.0

Overall

6.8

Comfort

6.5

Entertainment

5.6

Crew

7.5

Boarding

6.7

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Food

6.0

Overall

6.8

Comfort

6.5

Entertainment

5.6

Crew

7.5

Boarding

6.7

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Food

6.0

Overall

6.8

Comfort

6.5

Entertainment

5.6

Crew

7.5

Boarding

6.7

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Food

6.0

Overall

6.8

Comfort

6.5

Entertainment

5.6

Crew

7.5

Boarding

6.7

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Food

6.0

Overall

6.8

Comfort

6.5

Entertainment

5.6

Crew

7.5

Boarding

6.7

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Related info for your journey

Find useful and relevant information for your journey from London to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve London to Sofia flights?

    London is gifted with lots of possible airports that could serve your flights to Sofia. Some of the most popular London airports include London Stansted Airport (STN), Gatwick Airport (LGW), London City Airport (LCY), London Luton Airport (LTN), and more. These airports are some of the most popular in the UK and commonly sees some of the leading airlines fly through. Whereas your flight to Sofia from London will reach the main airport of Sofia, also known as Sofia International Airport (SOF.) The average flight time duration for a direct flight to Sofia averages at approximately 3h 5min. All of these airports are used by some of the top airlines on the market. You can choose from either direct flights or flights that require either one or two stopovers.

  • Which airlines fly directly from London to Sofia?

    The average time for a direct flight to Sofia from London is around 3h 5min. You can find popular airlines flying the route like Ryanair, Wizz Air, easyJet, British Airways, Air France, KLM, Iberia, and more. Direct flights are the most common and frequent flight that travel from London to Sofia. It is also the cheaper option of flight, even including flights that require either one or two stopovers. You can also find these popular flights fly routes that might possibly need a connecting flight. Your flight reaching Sofia will arrive at Sofia International Airport (SOF) and depart from a number of London airports. The most popular option is either Gatwick Airport or Heathrow Airport.

  • What are the stopover options between London to Sofia?

    There are a number of popular stopover options when you’re flying to Sofia from London. Just some of these destinations include Frankfurt am Main Airport (FRA), Cologne Köln/Bonn Airport (CGN), Eindhoven Airport (EIN), Berlin Brandenburg Airport (BER), Rome Ciampino Airport (CIA), and more. Your stopover destination is dependent on a number of factors. Factors will include your chosen airline, when you travel, your departing airport, as well as much more. Your flight will always arrive at Sofia International Airport (SOF) and will depart from a number of popular London Airports. Just some of these airports include Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), and more. Depending on your stopover option, your flight time duration will be highly influenced.

  • Do I need a passport or visa to fly from London to Sofia?

    If you are travelling to Sofia from London, you will need a valid passport but not a visa. A visa is not required, as long as you are travelling for either tourist or business purposes for no longer than 90 days within a 180-day duration. Your passport must be valid throughout your trip, as well as a remaining six months of validity from your entry into Sofia.

  • What airport do you fly into for flights to Sofia from London?

    For a flight from London to Sofia, you will be flying into Sofia. Sofia (SOF) is just 4.2 mi from the center of the city. Sofia is the only Sofia airport and it handles 3 inbound flights from London per day. 10 airlines have flights to Sofia from London on a regular basis.

  • How long is the flight from London to Sofia?

    Departing from London to Sofia will take you 3h 10m. The distance from London to Sofia is about 1273 mi. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from London to Sofia round-trip?

    Currently priced at £36, Wizz Air will fly you from London to Sofia and back. In addition to Wizz Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Ryanair and Air Serbia - these airlines can fly you to your destination from £44 and £53, respectively. These flights start at 73% lower than the current average price 3 months from now.

  • What are the most popular routes from London to Sofia?

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

    No one likes to see their flight delayed. When booking a flight from London to Sofia consider choosing Bulgaria Air (86%), American Airlines (71%) or British Airways (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Sofia?

    Looking for the cheapest flight from London to Sofia? While on average our users pay £317, our data indicates the cheapest price to be £92. The most popular route (London Heathrow - Sofia), is priced around £116.

  • Can I find deals for flights from London to Sofia that include hotel bookings?

    Yes. In addition to deals on London to Sofia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Sofia.

  • Can I find deals for business class flights from London to Sofia?

    Yes. Cheapflights offers flight deals from London 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 to Sofia?

    Currently, January is the cheapest month in which you can book a flight from London to Sofia (average of £88). Flying from London to Sofia in August is currently the most expensive (average of £310). 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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Fly from London to Sofia on these airlines

Choose from the following airlines for your flight from London to Sofia. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2025.

Top 10 airlines flying from London to Sofia

Discover the top 10 airlines that operate flights from London 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 4 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£36Average£123FlexibilityNo cancel feeOn-time83%
Search Wizz Air flights
RyanairCheapest£44Average£102FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Air SerbiaCheapest£53Average£153FlexibilityNo cancel feeOn-timeN/A
Search Air Serbia flights
easyJetCheapest£62Average£150FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£97Average£196FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£139Average£204FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£142Average£192FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Bulgaria AirCheapest£155Average£229FlexibilityNo cancel feeOn-time73%
Search Bulgaria Air flights
Austrian AirlinesCheapest£157Average£201FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Turkish AirlinesCheapest£201Average£261FlexibilityNo cancel feeOn-time77%
Search Turkish 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 London to Sofia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Sofia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Sofia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Sofia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Sofia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Sofia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sofia from London today and book when prices fit your budget.

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