Cheap flights from London Heathrow Airport to Sofia from £63
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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
19 Sep — 26 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Sofia are usually found in January or November, booked 65 days in advance, depart on a Monday or Wednesday and return on a Wednesday
Cheap flight deals from Heathrow to Sofia
Enter your travel dates to find the best prices.
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Best
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One-way
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 20 August 2026.
Wed 18/1114:55 -
Nonstop3h 15m
Wed 2/1221:05 -
Nonstop3h 25m
Deal found 19/8£119
Mon 16/1111:10 -
Nonstop3h 10m
Mon 30/1117:15 -
Nonstop3h 30m
Deal found 17/8£120
Sun 15/1113:25 -
Nonstop3h 10m
Sun 29/1119:45 -
Nonstop3h 25m
Deal found 15/8£121
Wed 2/1214:55 -
Nonstop3h 15m
Mon 7/1217:15 -
Nonstop3h 30m
Deal found 15/8£128
Fri 4/1214:05 -
Nonstop3h 15m
Sun 6/1219:45 -
Nonstop3h 25m
Deal found 15/8£130
Fri 4/1214:05 -
Nonstop3h 15m
Mon 11/117:15 -
Nonstop3h 30m
Deal found 19/8£133
Wed 18/1120:50 -
1 stop13h 45m
Mon 11/105:00 -
1 stop9h 20m
Deal found 19/8£136
Mon 9/1111:10 -
Nonstop3h 10m
Wed 18/1121:05 -
Nonstop3h 25m
Deal found 19/8£141
Sun 4/1006:30 -
1 stop5h 25m
Sat 10/1018:45 -
1 stop16h 35m
Deal found 16/8£141
Wed 23/915:10 -
Nonstop3h 20m
Wed 7/1021:25 -
Nonstop3h 20m
Deal found 16/8£142
Mon 2/1111:10 -
Nonstop3h 10m
Mon 9/1116:00 -
1 stop22h 20m
Deal found 17/8£143
Sun 27/914:55 -
Nonstop3h 15m
Fri 9/1014:15 -
Nonstop3h 35m
Deal found 19/8£144
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 20 August 2026.
Fri 4/1206:35 -
1 stop4h 40m
Wed 13/106:00 -
1 stop6h 25m
Deal found 19/8£180
Sun 25/1013:25 -
Nonstop3h 10m
Wed 28/1021:05 -
Nonstop3h 25m
Deal found 17/8£194
Mon 28/906:00 -
1 stop6h 55m
Tue 29/913:05 -
2 stops10h 25m
Deal found 15/8£216
Thu 3/909:00 -
1 stop7h 40m
Sun 27/906:20 -
1 stop6h 20m
Deal found 19/8£200
Mon 12/1014:05 -
Nonstop3h 15m
Fri 16/1014:15 -
Nonstop3h 35m
Deal found 19/8£204
Wed 30/918:40 -
2 stops15h 30m
Wed 7/1011:05 -
1 stop7h 20m
Deal found 15/8£220
Wed 9/907:25 -
1 stop9h 15m
Sun 13/906:10 -
1 stop5h 45m
Deal found 19/8£205
Sun 27/920:05 -
1 stop16h 50m
Fri 2/1015:50 -
2 stops18h 25m
Deal found 17/8£230
Tue 29/917:15 -
2 stops16h 55m
Tue 6/1013:05 -
2 stops10h 25m
Deal found 15/8£240
Wed 23/918:40 -
2 stops15h 30m
Thu 1/1011:05 -
2 stops12h 25m
Deal found 15/8£240
Fri 16/1018:40 -
2 stops15h 30m
Sun 25/1011:15 -
1 stop7h 05m
Deal found 16/8£246
Wed 9/920:05 -
2 stops14h 05m
Wed 16/911:05 -
1 stop7h 20m
Deal found 19/8£250
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 20 August 2026.
Wed 18/1114:55 -
Nonstop3h 15m
Wed 2/1221:05 -
Nonstop3h 25m
Deal found 19/8£119
Mon 16/1111:10 -
Nonstop3h 10m
Mon 30/1117:15 -
Nonstop3h 30m
Deal found 17/8£120
Sun 15/1113:25 -
Nonstop3h 10m
Sun 29/1119:45 -
Nonstop3h 25m
Deal found 15/8£121
Wed 2/1214:55 -
Nonstop3h 15m
Mon 7/1217:15 -
Nonstop3h 30m
Deal found 15/8£128
Fri 4/1214:05 -
Nonstop3h 15m
Sun 6/1219:45 -
Nonstop3h 25m
Deal found 15/8£130
Mon 11/111:10 -
Nonstop3h 10m
Wed 13/121:05 -
Nonstop3h 25m
Deal found 17/8£131
Fri 4/1214:05 -
Nonstop3h 15m
Wed 13/121:05 -
Nonstop3h 25m
Deal found 19/8£133
Mon 9/1111:10 -
Nonstop3h 10m
Wed 18/1121:05 -
Nonstop3h 25m
Deal found 19/8£141
Wed 23/915:10 -
Nonstop3h 20m
Wed 7/1021:25 -
Nonstop3h 20m
Deal found 16/8£142
Sun 27/914:55 -
Nonstop3h 15m
Fri 9/1014:15 -
Nonstop3h 35m
Deal found 19/8£144
Sun 8/1113:25 -
Nonstop3h 10m
Wed 18/1121:05 -
Nonstop3h 25m
Deal found 19/8£144
Mon 2/1111:10 -
Nonstop3h 10m
Mon 9/1117:15 -
Nonstop3h 30m
Deal found 17/8£149
Last-minute flights from Heathrow to Sofia
Discover last-minute flight deals from Heathrow to Sofia. Data last updated 20 August 2026 and is based on user searches.
Tue 8/909:55 -
1 stop13h 40m
Tue 22/918:45 -
1 stop16h 25m
Deal found 15/8£143
Thu 17/915:00 -
1 stop20h 40m
Thu 1/1005:00 -
1 stop9h 30m
Deal found 20/8£147
Sun 20/909:55 -
1 stop13h 40m
Tue 29/918:45 -
1 stop16h 25m
Deal found 18/8£145
Wed 23/915:10 -
Nonstop3h 20m
Wed 7/1021:25 -
Nonstop3h 20m
Deal found 16/8£142
Wed 23/915:10 -
Nonstop3h 20m
Thu 8/1005:00 -
1 stop9h 30m
Deal found 19/8£148
Wed 23/906:30 -
1 stop5h 25m
Thu 24/918:45 -
1 stop5h 15m
Deal found 19/8£149
Sat 26/918:10 -
1 stop17h 45m
Sat 3/1018:45 -
1 stop24h 25m
Deal found 17/8£152
Sun 27/914:55 -
Nonstop3h 15m
Fri 9/1014:15 -
Nonstop3h 35m
Deal found 19/8£144
Wed 30/909:55 -
1 stop13h 40m
Wed 7/1018:45 -
1 stop16h 25m
Deal found 16/8£146
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 20 August 2026.
Fri 4/1220:50 -
1 stop24h 45m
Deal found 20/8£63
Fri 16/1020:50 -
1 stop26h 45m
Deal found 18/8£64
Sun 1/1109:55 -
1 stop11h 40m
Deal found 17/8£65
Wed 14/1020:50 -
1 stop10h 55m
Deal found 19/8£66
Mon 7/920:50 -
1 stop26h 45m
Deal found 19/8£67
Tue 13/1020:50 -
1 stop26h 45m
Deal found 16/8£68
Fri 18/920:50 -
1 stop26h 45m
Deal found 15/8£69
Wed 21/1020:50 -
1 stop10h 55m
Deal found 20/8£70
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 20 August 2026.
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 7,457,451 searches. Data last updated 20 August 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 London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Fri 4/12
06:35-13:15
1 stop4h 40m
Sofia
Wed 13/1
06:00-10:25
1 stop6h 25m
£180
Fastest return journey
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Sun 25/10
13:25-18:35
Nonstop3h 10m
Sofia
Wed 28/10
21:05-22:30
Nonstop3h 25m
£194
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Thu 3/9
09:00-18:40
1 stop7h 40m
Sofia
Sun 27/9
06:20-10:40
1 stop6h 20m
£200
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Mon 12/10
14:05-19:20
Nonstop3h 15m
Sofia
Fri 16/10
14:15-15:50
Nonstop3h 35m
£204
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Wed 9/9
07:25-18:40
1 stop9h 15m
Sofia
Sun 13/9
06:10-09:55
1 stop5h 45m
£205
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Mon 28/9
06:00-14:55
1 stop6h 55m
Sofia
Tue 29/9
13:05-21:30
2 stops10h 25m
£216
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Wed 30/9
18:40-12:10
2 stops15h 30m
Sofia
Wed 7/10
11:05-16:25
1 stop7h 20m
£220
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Sun 27/9
20:05-14:55
1 stop16h 50m
Sofia
Fri 2/10
15:50-08:15
2 stops18h 25m
£230
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Tue 29/9
17:15-12:10
2 stops16h 55m
Sofia
Tue 6/10
13:05-21:30
2 stops10h 25m
£240
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Wed 23/9
18:40-12:10
2 stops15h 30m
Sofia
Thu 1/10
11:05-21:30
2 stops12h 25m
£240
Flights are sorted by cheapest return flights first.
Deals found on 15/8
Showing 1-10 of 22 resultsSorted by cheapest first
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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.
LHR-SOF
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?
The best time to book flights from London Heathrow Airport to Sofia is 64 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 £129). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of £280). 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 20 August 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 in the evening, which can drop the price by up to 16% versus a flight in the afternoon.
How much does it cost for a return flight from London Heathrow Airport to Sofia?
Airfare is below average for this route at the moment.
London Heathrow Airport to Sofia flights typically cost between £186 and £301 in February.The cheapest return price found within the last 5 days was £116 on British Airways (1 Feb–17 Mar).
How often are flights from London to Sofia delayed?
About 10% of weekly flights between London and Sofia have experienced delays in the past year, with the average delay time being 111 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?
Monday 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 9% 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.
Warsaw (WAW) – chosen by Cheapflights users on 34% 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.
Belgrade (BEG) is the most affordable one-stop option, with an average return flight price of £214.
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 Zurich (ZRH) have the shortest average one-way travel time for one-stop routes: 4h 55m.
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 1h 48m.
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 20 August 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.
I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
I was upgraded to business class due to my bid because accepted. EXTREMELY polite and friendly service. Decent seats and good food. Highly recommend it. If you can arrange to travel on a day when not very many business people are traveling (e.g., Wednesday) then you can possibly get an excellent seat at a great price.
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 6 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 and British Airways 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 £43 on this airline. Additional options worth looking into are British Airways and LOT, starting at £110 and £141 round-trip. You may be able to fly from London Heathrow Airport to Sofia for 78% 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 British Airways, with whom users have recently found tickets for as low as £68. However, be on the lookout for offers from Bulgaria Air and LOT, 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 £204, our data indicates the cheapest price to be £86. The most popular route (London Heathrow - Sofia), is priced around £119.
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 £129). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of £280). 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.
Explore flights to Sofia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 August 2026.
Discover the top 6 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 7,457,451 searches. Data last updated 20 August 2026.
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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