Cheap flights from London to Thera from £40

The cheapest month to fly to Thera from London is in January. Flight prices, which tend to average around £182, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Thera, with average flight prices from London averaging around £206.

The cheapest day to depart on your flight to Thera is on a Wednesday when prices can be found for as low as £194. This is often the case because there is less demand to fly during this day of the week. Flights from London to Thera on a Monday will generally be more expensive and average around £296. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Thera is in the afternoon when flights can be purchased for as low as £175. In the morning is when there is more demand to fly to Thera, so prices are often more expensive at around £280 per ticket.

Fly from London Stansted to Thera Santorini for the best London - Thera Santorini flight prices

You are more likely to see cheaper flights to Thera from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Thera for around £337 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thera from London for as low as £296 on momondo.

There are 4 cabin classes available to choose from on London to Thera 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 Thera.

easyJet, Ryanair, and SWISS are the most popular carriers operating from London to Thera Santorini

easyJet, British Airways and Ryanair are the top three most popular airlines that fly to Thera from London according to our data. easyJet is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Thera. Keep in mind that there are 7 different airlines that fly to Thera on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between London and Thera have experienced a delay on any given week. The average delay length over the past 12 months has been 117 minutes.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday 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 14% of their flights experiencing any sort of delay.

Athens (ATH) was the most common stop: 56% of momondo users choosing one-stop flights on this route connected there.

Flights via Athens (ATH) offer the lowest average return price of £128.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 5h 43m.

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 25m.

2 flights are operational daily from London to Thera as of September 2026. The most popular departure time for this route is 08:00, with 90% of flights per day taking off at midday.

16 flights are operational weekly from London to Thera as of September 2026. The most popular departure day for this route is Sat, with 38% of flights per week taking off on this day.