$81+ Cheap flights from Heathrow (LHR) to Sofia (SOF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SOF
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Sofia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Tuesday or Thursday and return on a Monday
Cheap flight deals from Heathrow to Sofia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Heathrow to SofiaExplore 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 September 17, 2026.
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 September 17, 2026.
This British Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:55 pm -
Nonstop3h 15m
Wed 10/149:25 pm -
Nonstop3h 20m
Deal found 9/14![British Airways logo]()
$160
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:20 pm -
1 stop17h 30m
Fri 11/276:40 pm -
1 stop5h 20m
Deal found 9/16![LOT logo]()
$185
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:20 pm -
1 stop17h 30m
Sat 1/92:35 pm -
1 stop21h 00m
Deal found 9/13![LOT logo]()
$189
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:35 am -
1 stop25h 15m
Mon 11/306:40 pm -
1 stop5h 20m
Deal found 9/14![LOT logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:45 am -
1 stop7h 15m
Mon 11/95:00 am -
1 stop9h 20m
Deal found 9/13![Multiple Airlines logo]()
$196
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:55 pm -
Nonstop3h 15m
Wed 11/49:05 pm -
Nonstop3h 25m
Deal found 9/13![British Airways logo]()
$203
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:30 am -
1 stop9h 30m
Thu 10/226:45 pm -
1 stop5h 15m
Deal found 9/13![LOT logo]()
$207
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:20 pm -
1 stop17h 30m
Sat 12/192:35 pm -
1 stop9h 25m
Deal found 9/13![LOT logo]()
$208
Best flights from Heathrow to SofiaDiscover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Heathrow to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This British Airways deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:55 pm -
Nonstop3h 15m
Wed 10/149:25 pm -
Nonstop3h 20m
Deal found 9/12![British Airways logo]()
$177
This Lufthansa deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:45 am -
1 stop7h 35m
Sun 11/811:15 am -
1 stop7h 05m
Deal found 9/14![Multiple Airlines logo]()
$227
This Austrian Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:00 am -
1 stop10h 00m
Mon 1/46:45 pm -
1 stop15h 35m
Deal found 9/14![Austrian Airlines logo]()
$264
This SWISS deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:40 pm -
2 stops16h 35m
Sun 11/811:15 am -
1 stop8h 35m
Deal found 9/14![SWISS logo]()
$277
This British Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1811:10 am -
Nonstop3h 10m
Sun 1/247:45 pm -
Nonstop3h 25m
Deal found 9/13![British Airways logo]()
$196
This ITA Airways deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/46:35 am -
1 stop4h 40m
Fri 3/126:45 pm -
1 stop4h 55m
Deal found 9/12![Multiple Airlines logo]()
$231
This Lufthansa deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/66:35 am -
1 stop4h 40m
Fri 1/86:45 pm -
1 stop4h 55m
Deal found 9/15![Multiple Airlines logo]()
$231
This SWISS deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:05 pm -
2 stops14h 05m
Mon 10/193:40 pm -
1 stop5h 40m
Deal found 9/14![SWISS logo]()
$283
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:10 pm -
Nonstop3h 20m
Mon 10/128:10 pm -
Nonstop3h 20m
Deal found 9/16![British Airways logo]()
$275
This SWISS deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:40 pm -
2 stops16h 35m
Mon 11/93:00 pm -
1 stop19h 05m
Deal found 9/13![SWISS logo]()
$283
This British Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:05 pm -
Nonstop3h 15m
Fri 10/162:15 pm -
Nonstop3h 35m
Deal found 9/16![British Airways logo]()
$281
Last-minute flights from Heathrow to SofiaDiscover last-minute flight deals from Heathrow to Sofia. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Sofia. Data last updated September 17, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:30 am -
1 stop9h 30m
Tue 10/66:45 pm -
1 stop5h 15m
Deal found 9/13![LOT logo]()
$221
This British Airways deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:55 pm -
Nonstop3h 15m
Wed 10/149:25 pm -
Nonstop3h 20m
Deal found 9/14![British Airways logo]()
$160
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:10 am -
Nonstop3h 15m
Sat 10/3110:40 am -
Nonstop3h 30m
Deal found 9/16![Multiple Airlines logo]()
$213
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:30 am -
1 stop9h 30m
Thu 10/226:45 pm -
1 stop5h 15m
Deal found 9/13![LOT logo]()
$207
This Expedia deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:55 pm -
Nonstop3h 15m
Wed 11/49:05 pm -
Nonstop3h 25m
Deal found 9/13![British Airways logo]()
$203
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:30 am -
1 stop5h 20m
Wed 11/46:40 pm -
1 stop5h 20m
Deal found 9/13![LOT logo]()
$215
This Air Serbia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:20 pm -
1 stop24h 10m
Thu 11/54:00 pm -
1 stop22h 20m
Deal found 9/14![Air Serbia logo]()
$218
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:20 pm -
1 stop21h 35m
Sun 11/86:40 pm -
1 stop16h 55m
Deal found 9/12![LOT logo]()
$219
One-way flights from Heathrow to SofiaSearch for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Heathrow to Sofia. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/52:05 pm -
Nonstop3h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![British Airways logo]()
$81
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:55 am -
1 stop11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:55 am -
1 stop11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:50 pm -
1 stop10h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:55 am -
1 stop11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$94
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:55 am -
1 stop11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:50 pm -
2 stops20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:50 pm -
1 stop11h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$101
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (British Airways) |
One-way from | $81 |
Popular in | December |
Cheapest in | January |
Average price | $296 |
Good round-trip deal | $290 or less |
Good one-way deal | $174 or less |
Cheapflights Fare Finder
Customize 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 September 17, 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
Cheapest round-trip
Quickest round-trip
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Sun 11/8
1:25 pm-6:35 pm
Nonstop3h 10m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$103
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Mon 3/15
11:10 am-4:20 pm
Nonstop3h 10m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Wed 11/11
2:55 pm-8:10 pm
Nonstop3h 15m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Sun 3/14
1:25 pm-6:35 pm
Nonstop3h 10m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Wed 2/3
2:55 pm-8:10 pm
Nonstop3h 15m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Wed 3/10
2:55 pm-8:10 pm
Nonstop3h 15m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Fri 11/13
2:05 pm-7:20 pm
Nonstop3h 15m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Fri 3/12
2:05 pm-7:20 pm
Nonstop3h 15m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Fri 12/11
2:05 pm-7:20 pm
Nonstop3h 15m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
LondonSofia
LHR London Heathrow - SOF Sofia
LHRSOF
London Heathrow
Sun 10/11
2:55 pm-8:10 pm
Nonstop3h 15m
Sofia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$109
Showing 1-10 of 21 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on London Heathrow Airport-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Sofia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 round-trip 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
How far ahead should I book a flight from London Heathrow Airport to Sofia?
Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 $175). Flying from London Heathrow Airport to Sofia in December is currently the most expensive (average of $380). 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 September 17, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Sofia as you normally would.
How often are flights from London to Sofia delayed?
About 9% of weekly flights between London and Sofia have experienced delays in the past year, with the average delay time being 91 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?
Sunday tends to have the lowest number of delays on this route, whereas Saturday 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 last year, Bulgaria Air have had the lowest number of delays on this route, with just 8% of flights being delayed.
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.
Browse thousands of different options on Cheapflights for your next trip
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