Cheap flights from London to Sofia from £29

The month of November is, on average, the cheapest month to fly to Sofia from London, with most prices found around £72. If you aren’t able to travel to Sofia during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £80.

On average, the least expensive day to fly to Sofia from London is on a Thursday. momondo users have found tickets for Thursday departures for as low as £125. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London to Sofia for around £206.

Our data shows that the cheapest London to Sofia flights are usually those with departure times in the evening. Our users have found flights to Sofia in the evening for as low as £143. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £176 on average. Flights to Sofia from London in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from London Gatwick to Sofia for the best London - Sofia flight prices

You are more likely to see cheaper flights to Sofia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around £202 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from London for as low as £176 on momondo.

There are 3 cabin classes available to choose from on London to Sofia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between London to Sofia.

As of September 2026, prices for London to Sofia flights are approximately 7% cheaper when compared to flights at the same time last year.

Wizz Air, easyJet, and Ryanair are the most popular carriers operating from London to Sofia

Ryanair, Wizz Air and Bulgaria Air are the top three most popular airlines that fly to Sofia from London according to our data. Ryanair is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Sofia. Keep in mind that there are 9 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between London and Sofia have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Bulgaria Air have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

The number of flights available between London and Sofia is 3 per day as of September 2026. The most frequent departure time is 08:00, with 61% of daily flights leaving at midday.

As of September 2026, 24 flights take off from London and land in Sofia each week. The most common flight departure day for this route is Fri, with 29% of weekly flights taking off on this day.