Cheap flights from Bulgaria to London from £20

The cheapest month to fly to London from Bulgaria is in January. Flight prices, which tend to average around £68, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Bulgaria averaging around £79.

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £96. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Bulgaria to London for around £132.

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £88. Flights in the afternoon are often more expensive, with an average ticket price of £153.

Fly from Sofia to London Stansted for the best Bulgaria - London flight prices

There are 3 cabin classes available to choose from on Bulgaria to London 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 Bulgaria to London.

Ryanair, Wizz Air, and Air Serbia are the most popular carriers operating from Bulgaria to London

Ryanair, Wizz Air and Bulgaria Air are the top three most popular airlines that fly to London from Bulgaria according to our data. Ryanair is the first choice among our users, with 33% of people opting to fly with this airline when travelling to London. Keep in mind that there are 7 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Bulgaria and London have experienced a delay on any given week. The average delay length over the past 12 months has been 104 minutes.

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

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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

The number of flights available between Bulgaria and London is 3 per day as of September 2026. The most frequent departure time is 06:00, with 30% of daily flights leaving in the evening.

As of September 2026, 27 flights take off from Bulgaria and land in London each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.