฿6,185 Cheap Flights from London (LHR) to Sofia (SOF)

View ฿6,185 flight on Sun, 7 Sep 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Sofia Airport (SOF)

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Cheap Flights from London (LHR) to Sofia (SOF)

Prices were available within the past 7 days and start at ฿6,185 for one-way flights and ฿10,650 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Fri, 26 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
฿10,650 Return, found 15 hours ago
฿10,650
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Fri, 26 Sep from London to Sofia, returning Mon, 29 Sep, priced at ฿10,650 found 15 hours ago
Swiss International Air Lines
Fri, 26 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
฿10,670 Return, found 15 hours ago
฿10,670
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Fri, 26 Sep from London to Sofia, returning Mon, 29 Sep, priced at ฿10,670 found 15 hours ago
Austrian Airlines
Fri, 26 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
฿10,700 Return, found 15 hours ago
฿10,700
Return
found 15 hours ago
Select Austrian Airlines flight, departing Fri, 26 Sep from London to Sofia, returning Mon, 29 Sep, priced at ฿10,700 found 15 hours ago
Austrian Airlines
Fri, 26 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
฿10,720 Return, found 15 hours ago
฿10,720
Return
found 15 hours ago
Select Austrian Airlines flight, departing Fri, 26 Sep from London to Sofia, returning Mon, 29 Sep, priced at ฿10,720 found 15 hours ago
Lufthansa
Wed, 6 Aug - Thu, 7 Aug
LHR
London
SOF
Sofia
฿11,005 Return, found 4 days ago
฿11,005
Return
found 4 days ago
Select Lufthansa flight, departing Wed, 6 Aug from London to Sofia, returning Thu, 7 Aug, priced at ฿11,005 found 4 days ago
Swiss International Air Lines
Fri, 26 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
฿11,010 Return, found 15 hours ago
฿11,010
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Fri, 26 Sep from London to Sofia, returning Mon, 29 Sep, priced at ฿11,010 found 15 hours ago
Lufthansa
Wed, 6 Aug - Thu, 7 Aug
LHR
London
SOF
Sofia
฿11,020 Return, found 4 days ago
฿11,020
Return
found 4 days ago
Select Lufthansa flight, departing Wed, 6 Aug from London to Sofia, returning Thu, 7 Aug, priced at ฿11,020 found 4 days ago
Swiss International Air Lines
Fri, 26 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
฿11,060 Return, found 15 hours ago
฿11,060
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Fri, 26 Sep from London to Sofia, returning Mon, 29 Sep, priced at ฿11,060 found 15 hours ago
Bulgaria Air
Fri, 26 Sep - Sun, 28 Sep
LHR
London
SOF
Sofia
฿11,190 Return, found 15 hours ago
฿11,190
Return
found 15 hours ago
Select Bulgaria Air flight, departing Fri, 26 Sep from London to Sofia, returning Sun, 28 Sep, priced at ฿11,190 found 15 hours ago
British Airways
Fri, 26 Sep - Sun, 28 Sep
LHR
London
SOF
Sofia
฿15,530 Return, found 15 hours ago
฿15,530
Return
found 15 hours ago
Select British Airways flight, departing Fri, 26 Sep from London to Sofia, returning Sun, 28 Sep, priced at ฿15,530 found 15 hours ago

Find the cheapest month to fly from London (LHR) to Sofia (SOF)

November is typically the cheapest month to fly

From ฿3,625 - ฿7,298 per traveller.

Graph displaying average flight prices per month

Flight from London to Sofia route information
Origin airport
Heathrow
Destination airport
Sofia
Airlines serving
Aegean, Austrian Airlines, British Airways, Bulgaria Air, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines
Return price
฿10,650
Distance
2028 km
Average flight time
5 hours 17 mins

Perfect flights from London to Sofia

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Sofia. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Sofia, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Sofia ticket options cater to your travel preferences, with incredible one-way fares from ฿6,185 and roundtrip prices from ฿10,650. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Sofia and explore Sofia and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your LHR to SOF travel arrangements today and embark on the journey of a lifetime in Sofia.

Frequently asked questions

How much is a flight from LHR to Sofia Intl. Airport?
If you're travelling between Heathrow Airport and SOF, round-trip flights start from ฿10,650. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport (LHR) to Sofia Intl. Airport?
This differs between airlines, as each has its own terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Heathrow Airport to SOF that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LHR to Sofia Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Heathrow to SOF?
It's around 2,000 kilometres between Hounslow and Sofia, so expect to be flying for a while. Keep yourself occupied with things like your e-reader or a good old-fashioned book.
Which airlines fly direct from London Heathrow to Sofia Airport (SOF)?
A popular airline that services the route from London Heathrow to Sofia Airport (SOF) is British Airways (BA). It offers 17 flights a month. Bulgaria Air (FB) is another option. It offers 13 flights per month. Between these two airlines, you'll be able to find a great deal from Hounslow to Sofia.
Are LHR to Sofia Airport (SOF) flight tickets cheaper when they're purchased at the last minute?
Tickets from LHR to SOF are available up to 12 months before departure on Expedia. And although you may occasionally nab a fantastic last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting stuck in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so check back often for all the latest specials.

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