$25 Cheap Flights from Sofia (SOF) to London (STN)

View $25 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Stansted Airport (STN)

Cheap Flights from Sofia to London (SOF-STN)

Prices were available within the past 7 days and start at $25 for one-way flights and $55 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Fri, Oct 17 - Mon, Oct 20
SOF
Sofia
STN
London
$55 Roundtrip, found 6 days ago
$55
Roundtrip
found 6 days ago
Select Ryanair flight, departing Fri, Oct 17 from Sofia to London, returning Mon, Oct 20, priced at $55 found 6 days ago
Ryanair
Sun, Oct 26 - Thu, Oct 30
SOF
Sofia
STN
London
$57 Roundtrip, found 1 day ago
$57
Roundtrip
found 1 day ago
Select Ryanair flight, departing Sun, Oct 26 from Sofia to London, returning Thu, Oct 30, priced at $57 found 1 day ago
Ryanair
Thu, Oct 2 - Wed, Oct 8
SOF
Sofia
STN
London
$60 Roundtrip, found 3 days ago
$60
Roundtrip
found 3 days ago
Select Ryanair flight, departing Thu, Oct 2 from Sofia to London, returning Wed, Oct 8, priced at $60 found 3 days ago
Ryanair
Thu, Oct 2 - Sun, Oct 5
SOF
Sofia
STN
London
$61 Roundtrip, found 22 hours ago
$61
Roundtrip
found 22 hours ago
Select Ryanair flight, departing Thu, Oct 2 from Sofia to London, returning Sun, Oct 5, priced at $61 found 22 hours ago
Ryanair
Tue, Oct 7 - Thu, Oct 9
SOF
Sofia
STN
London
$62 Roundtrip, found 1 day ago
$62
Roundtrip
found 1 day ago
Select Ryanair flight, departing Tue, Oct 7 from Sofia to London, returning Thu, Oct 9, priced at $62 found 1 day ago
Ryanair
Thu, Oct 2 - Wed, Oct 8
SOF
Sofia
STN
London
$63 Roundtrip, found 3 days ago
$63
Roundtrip
found 3 days ago
Select Ryanair flight, departing Thu, Oct 2 from Sofia to London, returning Wed, Oct 8, priced at $63 found 3 days ago
Ryanair
Fri, Oct 17 - Mon, Oct 20
SOF
Sofia
STN
London
$64 Roundtrip, found 6 days ago
$64
Roundtrip
found 6 days ago
Select Ryanair flight, departing Fri, Oct 17 from Sofia to London, returning Mon, Oct 20, priced at $64 found 6 days ago
Ryanair
Fri, Sep 26 - Sun, Sep 28
SOF
Sofia
STN
London
$66 Roundtrip, found 6 days ago
$66
Roundtrip
found 6 days ago
Select Ryanair flight, departing Fri, Sep 26 from Sofia to London, returning Sun, Sep 28, priced at $66 found 6 days ago
Pegasus Airlines
Tue, Feb 3 - Sun, Feb 8
SOF
Sofia
STN
London
$250 Roundtrip, found 22 hours ago
$250
Roundtrip
found 22 hours ago
Select Pegasus Airlines flight, departing Tue, Feb 3 from Sofia to London, returning Sun, Feb 8, priced at $250 found 22 hours ago
Lufthansa
Tue, Sep 23 - Tue, Sep 30
SOF
Sofia
STN
London
$271 Roundtrip, found 3 days ago
$271
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Sep 23 from Sofia to London, returning Tue, Sep 30, priced at $271 found 3 days ago
Flights from Sofia (SOF) to London (STN)
Origin airport
Sofia
Destination airport
Stansted
Airlines serving
Lufthansa, Pegasus Airlines, Ryanair
Roundtrip price
$55
Distance
1248 mi
Average flight time
1 hour 15 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 October. 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 $25 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 Stansted Airport (STN) cost?
Lock in a cheap one-way flight from $25 or cheap return flight from $55 from Sofia Airport (SOF) to Stansted Airport (STN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Stansted Airport (STN)?
October is the most affordable month to fly from SOF to STN. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Sofia Airport (SOF) to Stansted Airport (STN)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SOF to STN flight.
How many flights per day from Sofia Airport (SOF) to Stansted Airport (STN)?
With an average of 2 nonstop flights that operate from Sofia Airport (SOF) to Stansted Airport (STN) daily, you'll be on your way in no time.
What are the most popular departure times for flights from Sofia Airport (SOF) to Stansted Airport (STN)?
The 1 PM departures from SOF to STN see the highest demand. Prices can be higher for these popular slots. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from SOF to STN?
Travel on a Friday if you're after the largest selection of flights from Sofia Airport (SOF) to Stansted Airport (STN).
What is the earliest flight from Sofia Airport (SOF) to Stansted Airport (STN)?
The first flight of the day jetting off from Sofia Airport (SOF) is at around 7:25AM UTC+2. Catch this flight and you'll land at Stansted Airport (STN) at approximately 8:50AM UTC+0. The entire trip takes 3h 25m.
How long does it take to fly from Sofia Airport (SOF) to Stansted Airport (STN)?
The average flight duration from SOF to STN is 3 hours and 25 minutes, covering a distance of 1,250 mi.
What is the best time to fly from Sofia Airport (SOF) to Stansted Airport (STN)?
To avoid possible delays on the Sofia Airport (SOF) to Stansted Airport (STN) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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)?
Take 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 Stansted Airport (STN) last-minute?
Last-minute fares from SOF to STN are usually more expensive. To lock in the lowest prices, start searching for flights early. That being said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a SOF to STN flight and hotel package?
Booking a SOF to STN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Stansted Airport (STN)?
In most instances, you can cancel or reschedule your SOF to STN flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.