$61 Cheap Flights from Sofia (SOF) to London (LHR)

View $61 flight on Wed, Dec 3, 2025Opens in a new window

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

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Cheap Flights from Sofia to London (SOF-LHR)

Prices were available within the past 7 days and start at $61 for one-way flights and $142 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Dec 3 - Sat, Dec 6
SOF
Sofia
LHR
London
$142 Roundtrip, found 10 hours ago
$142
Roundtrip
found 10 hours ago
Select British Airways flight, departing Wed, Dec 3 from Sofia to London, returning Sat, Dec 6, priced at $142 found 10 hours ago
British Airways
Fri, Apr 24 - Mon, Apr 27
SOF
Sofia
LHR
London
$180 Roundtrip, found 5 days ago
$180
Roundtrip
found 5 days ago
Select British Airways flight, departing Fri, Apr 24 from Sofia to London, returning Mon, Apr 27, priced at $180 found 5 days ago
British Airways
Wed, Dec 3 - Sat, Dec 6
SOF
Sofia
LHR
London
$207 Roundtrip, found 10 hours ago
$207
Roundtrip
found 10 hours ago
Select British Airways flight, departing Wed, Dec 3 from Sofia to London, returning Sat, Dec 6, priced at $207 found 10 hours ago
Lufthansa
Tue, Nov 18 - Tue, Dec 2
SOF
Sofia
LHR
London
$210 Roundtrip, found 5 days ago
$210
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Nov 18 from Sofia to London, returning Tue, Dec 2, priced at $210 found 5 days ago
Lufthansa
Thu, Oct 30 - Tue, Nov 11
SOF
Sofia
LHR
London
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Oct 30 from Sofia to London, returning Tue, Nov 11, priced at $211 found 1 day ago
Air Serbia
Tue, Dec 9 - Sat, Dec 13
SOF
Sofia
LHR
London
$213 Roundtrip, found 6 days ago
$213
Roundtrip
found 6 days ago
Select Air Serbia flight, departing Tue, Dec 9 from Sofia to London, returning Sat, Dec 13, priced at $213 found 6 days ago
Aegean
Wed, Dec 3 - Sat, Dec 6
SOF
Sofia
LHR
London
$215 Roundtrip, found 10 hours ago
$215
Roundtrip
found 10 hours ago
Select Aegean flight, departing Wed, Dec 3 from Sofia to London, returning Sat, Dec 6, priced at $215 found 10 hours ago
British Airways
Wed, Nov 5 - Wed, Nov 12
SOF
Sofia
LHR
London
$216 Roundtrip, found 3 days ago
$216
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Nov 5 from Sofia to London, returning Wed, Nov 12, priced at $216 found 3 days ago
Lufthansa
Wed, Dec 3 - Sat, Dec 6
SOF
Sofia
LHR
London
$219 Roundtrip, found 10 hours ago
$219
Roundtrip
found 10 hours ago
Select Lufthansa flight, departing Wed, Dec 3 from Sofia to London, returning Sat, Dec 6, priced at $219 found 10 hours ago
LOT-Polish Airlines
Fri, Oct 3 - Sun, Oct 5
SOF
Sofia
LHR
London
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select LOT-Polish Airlines flight, departing Fri, Oct 3 from Sofia to London, returning Sun, Oct 5, priced at $223 found 1 day ago

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

November is typically the cheapest month to fly

From $127 - $219 per traveler.

Graph displaying average flight prices per month

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $549
LGW
Gatwick
Average driving time to city center52 min
Flights from $549
Select flight to Luton LTN. Cheapest option available. Average driving time to city center is 45 minutes. Flights from $325
LTN
Luton
Cheapest
Average driving time to city center45 min
Flights from $325
Select flight to London City LCY. Closest option available. Average driving time to city center is 21 minutes. Flights from $507
LCY
London City
Closest
Average driving time to city center21 min
Flights from $507
Flights from Sofia (SOF) to London (LHR)
Origin airport
Sofia
Destination airport
Heathrow
Airlines serving
Aegean, Air France, Air Serbia, Austrian Airlines, British Airways, Bulgaria Air, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$142
Distance
1267 mi
Average flight time
1 hour 22 mins

Sofia to London Flights

The cheapest times to fly from Sofia to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sofia to London are during the month of December. You can find some of the cheapest flights from Sofia to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to London

Sunday is one of the best days to book for cheap flights from Sofia to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sofia to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sofia to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $61 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sofia to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sofia to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Heathrow Airport (LHR) cost?
Grab cheap return fares starting at $331 from Sofia Airport (SOF) to Heathrow Airport (LHR). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Hahn Air flight leaving SOF on July 4 2025 and touching down at LHR. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from SOF to LHR?
The cheapest flights from SOF to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sofia Airport (SOF) to Heathrow Airport (LHR)?
You can fly straight from Sofia Airport (SOF) to Heathrow Airport (LHR) on a British Airways flight.
What is the cheapest airline that flies from SOF to LHR?
Book a flight from SOF to LHR with British Airways. This airline currently offers the cheapest one-way ticket on this route, starting at $97. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SOF on July 27 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Sofia Airport (SOF) to Heathrow Airport (LHR)?
On average, there is just 1 nonstop flight taking off from Sofia Airport (SOF) to Heathrow Airport (LHR) per day. If this doesn't work with your itinerary, consider flights with a layover. Just filter your search on Expedia to include one or two stops to discover the next best option.
What are the most popular departure times for flights from Sofia Airport (SOF) to Heathrow Airport (LHR)?
Flights between SOF and LHR are busiest at 3 PM. For a quieter trip and potentially cheaper prices, look for a departure that's outside typical rush times.
What day of the week has the most flights from SOF to LHR?
If you travel on a Friday, you'll get the greatest range of choices for flights from Sofia Airport (SOF) to Heathrow Airport (LHR).
What is the earliest flight from Sofia Airport (SOF) to Heathrow Airport (LHR)?
The first flight of the day departing from Sofia Airport (SOF) is at around 10:40AM UTC+2. Catch this flight and you'll touch down at Heathrow Airport (LHR) at approximately 12:10PM UTC+0. The total time in the air is 3h 30m.
How long does it take to fly from Sofia Airport (SOF) to Heathrow Airport (LHR)?
The average flight duration from SOF to LHR is 3 hours and 33 minutes, covering a total distance of 1,250 mi.
What is the best time to fly from Sofia Airport (SOF) to Heathrow Airport (LHR)?
Book a flight from Sofia Airport (SOF) to Heathrow Airport (LHR) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Sofia Airport (SOF)?
Catch a direct flight from Sofia Airport (SOF) to London and you'll land at one of these hubs:

  • Heathrow Airport (LHR)
  • Stansted Airport (STN)
  • Luton Airport (LTN)

Is it cheaper to buy a plane ticket from Sofia Airport (SOF) to Heathrow Airport (LHR) last-minute?
Waiting until right before your break to book a ticket from SOF to LHR generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a SOF to LHR flight and hotel package?
You can save money by booking a SOF to LHR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your ideal flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Heathrow Airport (LHR)?
If you reserved your SOF to LHR flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.