Cheap flights from London Heathrow Airport to Thera from $133

On average, the least expensive day to fly to Thera from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $275. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $445. These prices are subject to change though, so be sure to set up a Price Alert for flights to Thera.

According to our data, the cheapest time of day to fly to Thera is at noon. momondo users have found flights departing from London Heathrow Airport to Thera at noon for as low as $281. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $328.

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

You are more likely to see cheaper flights to Thera from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Thera for around $389 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thera from London Heathrow Airport for as low as $339 on momondo.

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

You could potentially save up to 27% on your flight if you consider stops on a London Heathrow Airport to Thera flight.

Historically, on average around 13% 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 97 minutes.

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

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Thera is 1 per day as of April 2026. The most frequent departure time is 8:00AM, with 100% of daily flights leaving at noon.

As of April 2026, there are 8 flights per week flying from London Heathrow Airport to Thera. The most common day of the week flights depart is Thu, with 25% of flights taking off on this day.