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Cheap flights from London to Thera from $241

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — JTR
16 Jan — 23 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Santorini

Enter your travel dates to find the best prices.

Cheapest flights from London to Santorini
Explore the most affordable flight options available from London to Santorini. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 December 2025.

Thu 18/1222:15LHR - JTR
1 stop11h 00mAegean Airlines
Sat 3/111:55JTR - LHR
1 stop11h 20mAegean Airlines
Deal found 15/12$3,393

Find flight deals from London to Santorini

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Santorini (JTR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 December 2025.

Round-trip from

$429

One-way from

$241

Popular in

December

Cheapest in

November

Average price

$773
Aegean Airlines
  • Aegean Airlines
  • 28/2-6/3
  • 2 total stops
  • 20h 20m total
  • London to Thera
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British Airways
  • British Airways
  • 20/4
  • Nonstop
  • 3h 50m total
  • London to Thera
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($52 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Santorini that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 17 December 2025.
Use the filters below to find and compare flights from London to Thera that are best for you.

Fly from

London

Fly to

Santorini

Route

Depart

Return

Price

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 15/5

06:00-19:10

1 stop11h 10m

Thera Santorini

Sun 24/5

20:55-07:55

1 stop13h 00m

$384

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 28/2

22:15-11:15

1 stop11h 00m

Thera Santorini

Fri 6/3

08:10-15:30

1 stop9h 20m

$429

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 9/2

22:15-07:40

1 stop7h 25m

Thera Santorini

Sun 15/2

08:10-15:30

1 stop9h 20m

$505

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/5

10:15-16:10

Nonstop3h 55m

Thera Santorini

Sun 17/5

17:10-19:20

Nonstop4h 10m

$514

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 7/5

10:15-16:05

Nonstop3h 50m

Thera Santorini

Sun 10/5

17:10-19:20

Nonstop4h 10m

$547

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/5

16:35-00:15

1 stop5h 40m

Thera Santorini

Sun 17/5

16:35-21:10

1 stop6h 35m

$556

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 20/4

08:10-14:00

Nonstop3h 50m

$241

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 17/4

08:15-14:05

Nonstop3h 50m

$243

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 11/5

08:10-14:00

Nonstop3h 50m

$256

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 11/5

19:00-06:35

1 stop9h 35m

$264

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 12 results
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Best time to book a flight from London to Santorini

Have a flexible travel schedule? Discover the best time to fly to Santorini from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Thera

How far ahead should I book a flight from London to Thera?

Use this chart to determine the optimal time to book a return flight from London to Santorini. Price data was last updated on 12 December 2025.

To ensure you get the cheapest price possible for a flight from London to Thera, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London to Thera?

Currently, January is the cheapest month in which you can book a flight from London to Thera (average of $258). Flying from London to Thera in December is currently the most expensive (average of $719). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London to Thera?

How often are flights from London to Thera delayed?

About 21% of weekly flights between London and Thera have experienced delays in the past year, with the average delay time being 110 minutes.

What is the most punctual flight time for London to Thera flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Thera flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 13% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from London to Santorini. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Thera from London?

    For a flight from London to Thera, you will be flying into Santorini. Thera Santorini (JTR) is just 4.6 km from the centre vof the city. Santorini is the only Thera airport and it handles 0 inbound flights from London per day. 0 airlines have flights to Thera Santorini from London on a regular basis.

  • How long is the flight from London to Thera?

    Departing from London to Thera will take you 3h 55m. The distance from London to Thera is about 2643 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from London to Santorini that include hotel bookings?

    Yes. In addition to deals on London to Santorini flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Santorini?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Santorini.

  • Can I find deals for business class flights from London to Santorini?

    Yes. Cheapflights offers flight deals from London to Santorini by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Thera?

    Currently, January is the cheapest month in which you can book a flight from London to Thera (average of $258). Flying from London to Thera in December is currently the most expensive (average of $719). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Firostefani
Imerovigli

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Complete your trip

Complete your trip to Santorini by adding a car hire and/or hotel booking to your travel itinerary.
Rhodes car hire

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Santorini?

When you search for this flight from London to Santorini, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Santorini?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Santorini for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Santorini with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Santorini flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Santorini become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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