฿6,435 Cheap Flights from London (LHR) to Sofia (SOF)

View ฿6,435 flight on Wed, 15 Oct 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 ฿6,435 for one-way flights and ฿10,445 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, 18 Nov - Thu, 27 Nov
LHR
London
SOF
Sofia
฿10,445 Return, found 2 days ago
฿10,445
Return
found 2 days ago
Select Lufthansa flight, departing Tue, 18 Nov from London to Sofia, returning Thu, 27 Nov, priced at ฿10,445 found 2 days ago
Lufthansa
Tue, 18 Nov - Thu, 27 Nov
LHR
London
SOF
Sofia
฿10,630 Return, found 2 days ago
฿10,630
Return
found 2 days ago
Select Lufthansa flight, departing Tue, 18 Nov from London to Sofia, returning Thu, 27 Nov, priced at ฿10,630 found 2 days ago
Lufthansa
Tue, 18 Nov - Thu, 27 Nov
LHR
London
SOF
Sofia
฿10,690 Return, found 2 days ago
฿10,690
Return
found 2 days ago
Select Lufthansa flight, departing Tue, 18 Nov from London to Sofia, returning Thu, 27 Nov, priced at ฿10,690 found 2 days ago
Lufthansa
Tue, 18 Nov - Thu, 27 Nov
LHR
London
SOF
Sofia
฿10,710 Return, found 2 days ago
฿10,710
Return
found 2 days ago
Select Lufthansa flight, departing Tue, 18 Nov from London to Sofia, returning Thu, 27 Nov, priced at ฿10,710 found 2 days ago
Austrian Airlines
Tue, 18 Nov - Thu, 27 Nov
LHR
London
SOF
Sofia
฿10,730 Return, found 2 days ago
฿10,730
Return
found 2 days ago
Select Austrian Airlines flight, departing Tue, 18 Nov from London to Sofia, returning Thu, 27 Nov, priced at ฿10,730 found 2 days ago
Austrian Airlines
Fri, 17 Oct - Sun, 19 Oct
LHR
London
SOF
Sofia
฿10,755 Return, found 2 days ago
฿10,755
Return
found 2 days ago
Select Austrian Airlines flight, departing Fri, 17 Oct from London to Sofia, returning Sun, 19 Oct, priced at ฿10,755 found 2 days ago
Lufthansa
Tue, 18 Nov - Thu, 27 Nov
LHR
London
SOF
Sofia
฿10,865 Return, found 2 days ago
฿10,865
Return
found 2 days ago
Select Lufthansa flight, departing Tue, 18 Nov from London to Sofia, returning Thu, 27 Nov, priced at ฿10,865 found 2 days ago
Swiss International Air Lines
Fri, 17 Oct - Sun, 19 Oct
LHR
London
SOF
Sofia
฿11,365 Return, found 2 days ago
฿11,365
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Fri, 17 Oct from London to Sofia, returning Sun, 19 Oct, priced at ฿11,365 found 2 days ago
Eurowings
Tue, 18 Nov - Thu, 27 Nov
LHR
London
SOF
Sofia
฿11,420 Return, found 2 days ago
฿11,420
Return
found 2 days ago
Select Eurowings flight, departing Tue, 18 Nov from London to Sofia, returning Thu, 27 Nov, priced at ฿11,420 found 2 days ago
Bulgaria Air
Fri, 17 Oct - Sun, 19 Oct
LHR
London
SOF
Sofia
฿11,510 Return, found 2 days ago
฿11,510
Return
found 2 days ago
Select Bulgaria Air flight, departing Fri, 17 Oct from London to Sofia, returning Sun, 19 Oct, priced at ฿11,510 found 2 days ago

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

November is typically the cheapest month to fly

From ฿3,680 - ฿7,344 per traveller.

Graph displaying average flight prices per month

Flight from London to Sofia route information
Origin airport
Heathrow
Destination airport
Sofia
Return price
฿10,445
Distance
2028 km
Average flight time
5 hours 10 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 , 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 ฿6,435 and roundtrip prices from ฿10,445. 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 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 to 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 ฿10,445. 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.

Explore a world of travel with Expedia

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