Cheap flights from London Heathrow Airport to Sofia from £67
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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
17 Jan — 24 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in November or January, booked 45 days in advance, depart on a Thursday or Tuesday and return on a Thursday
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 18 December 2025.
Wed 31/1206:35LHR - SOF
1 stop4h 40mMultiple Airlines
Thu 1/116:00SOF - LHR
1 stop7h 40mMultiple Airlines
Deal found 16/12£168
Thu 25/1210:35LHR - SOF
1 stop25h 15mLOT
Mon 29/1218:35SOF - LHR
1 stop17h 00mLOT
Deal found 17/12£173
Thu 25/1206:35LHR - SOF
1 stop4h 40mMultiple Airlines
Fri 9/112:35SOF - LHR
1 stop8h 05mMultiple Airlines
Deal found 15/12£173
Fri 26/1206:30LHR - SOF
1 stop9h 20mLOT
Tue 30/1218:35SOF - LHR
1 stop17h 00mLOT
Deal found 17/12£176
Wed 24/1214:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 31/1221:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£179
Tue 16/1207:40LHR - SOF
1 stop13h 05mLufthansa
Wed 24/1214:00SOF - LHR
1 stop5h 05mLufthansa
Deal found 15/12£185
Sat 27/1210:35LHR - SOF
1 stop25h 15mLOT
Wed 31/1214:35SOF - LHR
1 stop9h 25mLOT
Deal found 16/12£189
Fri 26/1210:35LHR - SOF
1 stop25h 15mLOT
Wed 31/1218:35SOF - LHR
1 stop17h 00mLOT
Deal found 17/12£191
Wed 24/1216:40LHR - SOF
1 stop18h 35mLufthansa
Sat 10/119:05SOF - LHR
1 stop15h 00mLufthansa
Deal found 16/12£195
Tue 23/1206:35LHR - SOF
1 stop4h 40mMultiple Airlines
Thu 25/1216:00SOF - LHR
1 stop7h 40mMultiple Airlines
Deal found 16/12£202
Wed 17/1218:20LHR - SOF
1 stop17h 30mLOT
Mon 22/1214:35SOF - LHR
1 stop21h 00mLOT
Deal found 16/12£203
Wed 24/1218:20LHR - SOF
1 stop17h 30mLOT
Sat 27/1214:35SOF - LHR
1 stop21h 00mLOT
Deal found 16/12£205
Best flights from Heathrow to Sofia
Discover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.
Tue 13/109:55LHR - SOF
1 stop10h 15mMultiple Airlines
Tue 27/116:00SOF - LHR
1 stop22h 20mMultiple Airlines
Deal found 18/12£136
Tue 13/122:15LHR - SOF
1 stop19h 15mAegean Airlines
Tue 27/120:20SOF - LHR
1 stop26h 55mAegean Airlines
Deal found 18/12£150
Thu 12/206:35LHR - SOF
1 stop4h 40mLufthansa
Mon 16/313:45SOF - LHR
1 stop5h 20mLufthansa
Deal found 17/12£155
Mon 12/113:20LHR - SOF
1 stop24h 10mAir Serbia
Sat 17/105:00SOF - LHR
1 stop9h 20mAir Serbia
Deal found 16/12£156
Thu 12/206:35LHR - SOF
1 stop4h 40mLufthansa
Wed 18/314:00SOF - LHR
1 stop6h 35mLufthansa
Deal found 16/12£155
Wed 14/113:20LHR - SOF
1 stop11h 45mAir Serbia
Fri 16/116:05SOF - LHR
1 stop22h 15mAir Serbia
Deal found 16/12£156
Thu 12/206:35LHR - SOF
1 stop4h 40mLufthansa
Tue 17/314:00SOF - LHR
1 stop7h 35mLufthansa
Deal found 16/12£155
Sat 31/106:35LHR - SOF
1 stop4h 40mLufthansa
Sun 1/219:05SOF - LHR
1 stop5h 50mLufthansa
Deal found 17/12£155
Fri 16/113:50LHR - SOF
1 stop6h 55mLufthansa
Mon 19/119:05SOF - LHR
1 stop5h 50mLufthansa
Deal found 16/12£155
Sun 8/208:45LHR - SOF
1 stop12h 00mLufthansa
Sun 15/214:00SOF - LHR
1 stop6h 35mLufthansa
Deal found 17/12£155
Sun 1/207:40LHR - SOF
1 stop8h 40mLufthansa
Sun 8/214:00SOF - LHR
1 stop5h 05mLufthansa
Deal found 18/12£155
Direct flights from Heathrow to Sofia
Explore direct flight options from Heathrow to Sofia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 December 2025.
Wed 14/114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 28/121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£110
Wed 18/314:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 1/421:30SOF - LHR
Nonstop3h 15mBritish Airways
Deal found 17/12£117
Wed 21/114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 28/121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£117
Wed 14/114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 21/121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£125
Wed 11/314:55LHR - SOF
Nonstop3h 15mBritish Airways
Mon 16/317:25SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£139
Sat 31/106:05LHR - SOF
Nonstop3h 10mBritish Airways
Mon 2/317:25SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£151
Sat 10/106:05LHR - SOF
Nonstop3h 10mBritish Airways
Sat 17/112:05SOF - LHR
Nonstop3h 45mBritish Airways
Deal found 17/12£156
Fri 8/508:20LHR - SOF
Nonstop3h 10mBritish Airways
Sun 10/521:10SOF - LHR
Nonstop3h 15mBritish Airways
Deal found 17/12£160
Sun 11/107:50LHR - SOF
Nonstop3h 10mBritish Airways
Sat 17/112:05SOF - LHR
Nonstop3h 45mBritish Airways
Deal found 16/12£162
Last-minute flights from Heathrow to Sofia
Discover last-minute flight deals from Heathrow to Sofia. Data last updated 18 December 2025 and is based on user searches.
Fri 9/109:55LHR - SOF
1 stop11h 20mMultiple Airlines
Sat 17/105:00SOF - LHR
1 stop9h 20mMultiple Airlines
Deal found 16/12£129
Sat 10/120:50LHR - SOF
1 stop17h 50mMultiple Airlines
Sat 17/105:00SOF - LHR
1 stop9h 20mMultiple Airlines
Deal found 16/12£134
Sun 11/109:55LHR - SOF
1 stop11h 35mMultiple Airlines
Sat 17/105:00SOF - LHR
1 stop9h 20mMultiple Airlines
Deal found 16/12£132
Mon 12/109:55LHR - SOF
1 stop9h 05mMultiple Airlines
Thu 15/115:15SOF - LHR
1 stop6h 50mMultiple Airlines
Deal found 16/12£136
Wed 14/114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 28/121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£110
Wed 14/114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 21/121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£125
Wed 14/122:15LHR - SOF
1 stop19h 15mMultiple Airlines
Wed 28/116:00SOF - LHR
1 stop22h 20mMultiple Airlines
Deal found 17/12£138
Thu 15/115:15LHR - SOF
1 stop18h 40mMultiple Airlines
Thu 29/105:00SOF - LHR
1 stop9h 20mMultiple Airlines
Deal found 18/12£126
Fri 16/109:55LHR - SOF
1 stop11h 20mMultiple Airlines
Fri 30/110:10SOF - LHR
1 stop11h 55mMultiple Airlines
Deal found 17/12£135
Wed 21/114:55LHR - SOF
Nonstop3h 15mBritish Airways
Wed 28/121:00SOF - LHR
Nonstop3h 30mBritish Airways
Deal found 17/12£117
One-way flights from Heathrow to Sofia
Search for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated 18 December 2025.
Mon 12/109:55LHR - SOF
1 stop9h 05mMultiple Airlines
Deal found 17/12£67
Sat 7/209:55LHR - SOF
1 stop6h 55mMultiple Airlines
Deal found 16/12£67
Fri 9/109:55LHR - SOF
1 stop11h 20mMultiple Airlines
Deal found 16/12£68
Wed 14/122:15LHR - SOF
1 stop19h 15mAegean Airlines
Deal found 17/12£70
Tue 13/109:55LHR - SOF
1 stop11h 35mMultiple Airlines
Deal found 17/12£70
Mon 5/109:55LHR - SOF
1 stop9h 05mMultiple Airlines
Deal found 17/12£73
Fri 16/120:50LHR - SOF
1 stop20h 00mMultiple Airlines
Deal found 16/12£74
Mon 26/111:10LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 16/12£77
Mon 23/311:10LHR - SOF
Nonstop3h 10mBritish Airways
Deal found 17/12£78
Tue 6/109:55LHR - SOF
1 stop10h 15mMultiple Airlines
Deal found 16/12£79
Wed 28/114:55LHR - SOF
Nonstop3h 15mBritish Airways
Deal found 16/12£79
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 18 December 2025.
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 18 December 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
Tue 13/1
09:55-22:10
1 stop10h 15m
Sofia
Tue 27/1
16:00-12:20
1 stop22h 20m
£136
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Tue 13/1
22:15-19:30
1 stop19h 15m
Sofia
Tue 27/1
20:20-21:15
1 stop26h 55m
£150
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Thu 12/2
06:35-13:15
1 stop4h 40m
Sofia
Mon 16/3
13:45-17:05
1 stop5h 20m
£155
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Thu 12/2
06:35-13:15
1 stop4h 40m
Sofia
Wed 18/3
14:00-18:35
1 stop6h 35m
£155
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Thu 12/2
06:35-13:15
1 stop4h 40m
Sofia
Tue 17/3
14:00-19:35
1 stop7h 35m
£155
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Sat 31/1
06:35-13:15
1 stop4h 40m
Sofia
Sun 1/2
19:05-22:55
1 stop5h 50m
£155
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Fri 16/1
13:50-22:45
1 stop6h 55m
Sofia
Mon 19/1
19:05-22:55
1 stop5h 50m
£155
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Sun 8/2
08:45-22:45
1 stop12h 00m
Sofia
Sun 15/2
14:00-18:35
1 stop6h 35m
£155
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Sun 1/2
07:40-18:20
1 stop8h 40m
Sofia
Sun 8/2
14:00-17:05
1 stop5h 05m
£155
LondonSofia
LHR - SOF
LHRSOF
London Heathrow
Mon 12/1
13:20-15:30
1 stop24h 10m
Sofia
Sat 17/1
05:00-12:20
1 stop9h 20m
£156
Flights are sorted by cheapest return flights first.
Deals found on 16/12
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
Prices
Delays
More
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 12 December 2025.
The best time to book flights from London Heathrow Airport to Sofia is 45 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 £40). Flying from London Heathrow Airport to Sofia in July is currently the most expensive (average of £170). 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 18 December 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 39% 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 13 December 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.
How often are flights from London to Sofia delayed?
About 18% of weekly flights between London and Sofia have experienced delays in the past year, with the average delay time being 124 minutes.
What is the most punctual flight time for London to Sofia flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Sofia flights?
Over the past year, Bulgaria Air have had the lowest number of delays on this route, with just 14% of flights being delayed.
What’s the top stopover airport for flights from London Heathrow Airport to Sofia?
Share of one-stop return flights from London Heathrow Airport to Sofia chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Vienna (VIE) – chosen by Cheapflights users on 29% of one-stop itineraries from London Heathrow Airport to Sofia on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to Sofia?
Average return fare for one-stop flights from London Heathrow Airport to Sofia, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Zurich (ZRH) is the most affordable one-stop option, with an average return flight price of £171.
What’s the fastest stopover option from London Heathrow Airport to Sofia?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Sofia, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 5h 30m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Sofia?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to Sofia, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 2h 00m.
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 18 December 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.
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.
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.
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.
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.
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 Aegean Airlines and Lufthansa fly from London Heathrow Airport to Sofia in about 4h 40m. The time it takes to get you to your destination can typically vary by up to 14h 35m. 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 Ryanair. Our recent data shows that you can find tickets from as low as £15 on this airline. Additional options worth looking into are Wizz Air and Air Serbia, starting at £37 and £53 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 92% 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 £28. 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 most reliable airlines from London Heathrow Airport to Sofia?
The top 3 most reliable airlines when flying from London Heathrow Airport to Sofia are British Airways (79%), American Airlines (75%) and Bulgaria Air (74%).
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 £194, our data indicates the cheapest price to be £75. The most popular route (London Heathrow - Sofia), is priced around £123.
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 £40). Flying from London Heathrow Airport to Sofia in July is currently the most expensive (average of £170). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 18 December 2025.
Explore flights to Sofia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 December 2025.
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 18 December 2025.
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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