S$153 Cheap Flights from London to Sofia

View S$153 flight on Sun, 30 Nov, 2025Opens in a new window

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

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Cheap Flights from London to Sofia (LHR-SOF)

Prices were available within the past 7 days and start at S$153 for one-way flights and S$313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LOT-Polish Airlines
Mon, 22 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
S$313 Return, found 1 hour ago
S$313
Return
found 1 hour ago
Select LOT-Polish Airlines flight, departing Mon, 22 Sep from London to Sofia, returning Mon, 29 Sep, priced at S$313 found 1 hour ago
LOT-Polish Airlines
Mon, 22 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
S$322 Return, found 1 hour ago
S$322
Return
found 1 hour ago
Select LOT-Polish Airlines flight, departing Mon, 22 Sep from London to Sofia, returning Mon, 29 Sep, priced at S$322 found 1 hour ago
LOT-Polish Airlines
Thu, 25 Sep - Sat, 27 Sep
LHR
London
SOF
Sofia
S$330 Return, found 1 day ago
S$330
Return
found 1 day ago
Select LOT-Polish Airlines flight, departing Thu, 25 Sep from London to Sofia, returning Sat, 27 Sep, priced at S$330 found 1 day ago
LOT-Polish Airlines
Thu, 25 Sep - Sat, 27 Sep
LHR
London
SOF
Sofia
S$339 Return, found 1 day ago
S$339
Return
found 1 day ago
Select LOT-Polish Airlines flight, departing Thu, 25 Sep from London to Sofia, returning Sat, 27 Sep, priced at S$339 found 1 day ago
LOT-Polish Airlines
Mon, 22 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
S$340 Return, found 1 hour ago
S$340
Return
found 1 hour ago
Select LOT-Polish Airlines flight, departing Mon, 22 Sep from London to Sofia, returning Mon, 29 Sep, priced at S$340 found 1 hour ago
LOT-Polish Airlines
Thu, 25 Sep - Sat, 27 Sep
LHR
London
SOF
Sofia
S$352 Return, found 1 day ago
S$352
Return
found 1 day ago
Select LOT-Polish Airlines flight, departing Thu, 25 Sep from London to Sofia, returning Sat, 27 Sep, priced at S$352 found 1 day ago
Bulgaria Air
Mon, 22 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
S$401 Return, found 1 hour ago
S$401
Return
found 1 hour ago
Select Bulgaria Air flight, departing Mon, 22 Sep from London to Sofia, returning Mon, 29 Sep, priced at S$401 found 1 hour ago
Lufthansa
Wed, 15 Oct - Wed, 22 Oct
LHR
London
SOF
Sofia
S$413 Return, found 4 days ago
S$413
Return
found 4 days ago
Select Lufthansa flight, departing Wed, 15 Oct from London to Sofia, returning Wed, 22 Oct, priced at S$413 found 4 days ago
British Airways
Fri, 19 Sep - Sun, 21 Sep
LHR
London
SOF
Sofia
S$414 Return, found 1 day ago
S$414
Return
found 1 day ago
Select British Airways flight, departing Fri, 19 Sep from London to Sofia, returning Sun, 21 Sep, priced at S$414 found 1 day ago
Swiss International Air Lines
Mon, 22 Sep - Mon, 29 Sep
LHR
London
SOF
Sofia
S$427 Return, found 1 hour ago
S$427
Return
found 1 hour ago
Select Swiss International Air Lines flight, departing Mon, 22 Sep from London to Sofia, returning Mon, 29 Sep, priced at S$427 found 1 hour ago

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

November is typically the cheapest month to fly

From S$145 - S$290 per traveller.

Graph displaying average flight prices per month

London to Sofia route information
Origin airport
Heathrow
Destination airport
Sofia
Airlines serving
Air France, Air Serbia, Austrian Airlines, British Airways, Bulgaria Air, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines
Return price
S$312
Distance
2028 km
Average flight time
5 hours 10 mins

Perfect flights from London to Sofia

Your Journey from London to Sofia

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Sofia caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including British Airways, LOT-Polish Airlines, Air Serbia, Bulgaria Air, Lufthansa, Swiss International Air Lines. Our selection of flights from Heathrow to Sofia caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Sofia Flights

Experience the joy of finding cheap flights from Heathrow to Sofia that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$153 and roundtrip prices from S$313*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Sofia with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Sofia

Picture yourself stepping off the plane in Sofia and immersing yourself in the unique atmosphere of Sofia. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Sofia Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Sofia.
 

Beyond the Flight – Exploring Sofia

With Expedia, your adventure extends beyond the flight. Explore Sofia at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Sofia with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Sofia with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$313. 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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