Search for direct flights from London to Sofia in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at THB 890, and round-trip direct flights start at THB 1,780.

Displayed flight fares from London to Sofia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights on Flights from London to Sofia

Which month has the cheapest one-way flights from to Sofia?

Average monthly one-way flight prices from to Sofia, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from to Sofia is September, with an average price of THB 1,350; while the month with the highest flight price is usually July, with an average price of up to THB 8,370.

THB 8,370
THB 4,860
THB 1,350
0
    Cheapest
  • THB 3,500
    May
  • THB 4,360
    Jun
  • THB 8,370
    Jul
  • THB 3,810
    Aug
  • THB 1,350
    Sep
  • THB 1,530
    Oct
  • THB 1,850
    Nov
  • THB 5,070
    Dec
  • THB 1,920
    Jan
  • THB 2,470
    Feb
  • THB 2,400
    Mar
  • THB 2,620
    Apr

Which month has the cheapest round-trip flights from to Sofia?

The average price of round-trip flights from to Sofia purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from to Sofia are found during January, with an average price of THB 4,790. Conversely, the highest prices are found during August, with an average price of up to THB 13,100.

THB 13,100
THB 8,945
THB 4,790
THB 635
    Cheapest
  • THB 8,220
    May
  • THB 6,700
    Jun
  • THB 10,640
    Jul
  • THB 13,100
    Aug
  • THB 8,720
    Sep
  • THB 8,080
    Oct
  • THB 6,000
    Nov
  • THB 11,930
    Dec
  • THB 4,790
    Jan
  • THB 7,430
    Feb
  • THB 6,720
    Mar
  • THB 8,700
    Apr

Frequently Asked Questions

  • What are the cheapest flights from London to Sofia (LON-SOF)?

    Based on Trip.com data, Ryanair offers one-way fares as low as THB 890 on Cheapest nonstop routes (e.g. STN to SOF on Wed, Jun 3), while Ryanair offers Cheapest nonstop round-trips from THB 1,780 departing on Tue, Jun 2 and returning on Fri, Jun 5.
  • At the moment, you can catch a nonstop flight from London to Sofia with the following airlines, including: Wizz Air Bulgaria Air Ryanair British Airways easyJet Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 8 minutes to fly from London to Sofia.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Sofia is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 28 flight per week flying from London to Sofia. You can check the weekly schedule for popular airlines on this route below: Wizz Air: S/M/T/W/T/F/S -- W64302 (08:40) Ryanair: S/M/T/W/T/F/S -- FR1730 (07:37) British Airways: S/-/T/-/T/-/S -- BA892 (14:30)
  • To find best deals on flights from London to Sofia, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jun 3, with one-way flights priced at just THB 890.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Sofia travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from London to Sofia is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from London to Sofia on May 12, 2026 with Ryanair, with prices starting at THB 900.
  • You can land at any one of the following hubs in Sofia, with London Luton Airport to Sofia International Airport (LTN-SOF) is by far the most common option on this route: Sofia International Airport (SOF).
  • The time difference between Sofia and London is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Read before Taking Flights from London to Sofia

If you’re looking to book cheap flights from London to Sofia, Trip.com has you covered. Many people travel from London to Sofia for the city’s world-famous sights, delicious Bulgarian cuisine and unrivalled shopping scene. A convenient destination, you can fly from London to Sofia in just over 3 hours 10 mins, making it the perfect place for a short city break, or even a gateway to explore the rest of Bulgaria. With prices starting from just £25, there’s never been a better time to book tickets from London to Sofia and experience all that this incredible city has to offer.

How to find a cheap flights from London to Sofia

Finding cheap flights from London to Sofia is easy with our money-saving tips. You can secure the best deals by booking in advance, flying on a weekday rather than a weekend, going incognito when browsing for flights, and choosing to fly with better-priced budget airlines.

Airlines that fly from London to Sofia

A few airlines offer direct flights from London to Sofia, including British Airways, Bulgaria Air, easyJet, Ryanair

Flight time from London to Sofia

Sofia lies a distance of miles from London, with flights taking around 3 hours 10 mins.

Departure from a London Airport to Sofia

Flights from London Heathrow Airprot to Sofia You can get a tube direct from the city centre to the airport. It takes approximately 45 minutes on the Piccadilly Line with prices starting from £5.50, or 30 minutes on the Elizabeth Line for £12.80. You can also get the Heathrow Express from London Paddington in 15 minutes from £5.50, or a 35-minute coach from London Victoria from £6.Flights from London Gatwick Airport to Sofia The Gatwick Express offers a non-stop train from London Victoria in just 30 minutes for £19.90. Southern and Thameslink also offer trains, with prices starting from £11.30. You can also get a coach from London Victoria to Gatwick from £10 which takes 1.5-2 hours.Flights from London Stansted Airport to Sofia The Stansted Express takes 50 minutes from London Liverpool street with prices from £9.90. You can also get the Airport Bus Express from here too, which takes around 1 hour and costs £12.Flights from London Luton Airport to Sofia The Luton Airport Express from London St Pancras takes 32 minutes with tickets from £10, or from just £5, you can get a 1.5 hour National Express Coach from London Victoria.Flights from London City Airport to Sofia You can get the DLR to London City Airport from Bank in around 20 minutes, with prices starting from just £3.Flights from London Southend Airport to Sofia Greater Anglia and c2c offer trains from Liverpool street station to Southend airport in 52 minutes, with tickets starting from £20.10.

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.