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Cheap flights from London to Thera from C$ 220

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
15 Jan — 22 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 16 December 2025.

Thu 18/1210:15 p.m.LHR - JTR
1 stop11h 00mAegean Airlines
Sat 3/111:55 a.m.JTR - LHR
1 stop11h 20mAegean Airlines
Deal found 15/12C$ 3,099

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 16 December 2025.

Round-trip from

C$ 392

One-way from

C$ 220

Popular in

December

Cheapest in

November

Average price

C$ 706
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 (C$ 18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 16 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

Sat 28/2

10:15 p.m.-11:15 a.m.

1 stop11h 00m

Thera Santorini

Fri 6/3

8:10 a.m.-3:30 p.m.

1 stop9h 20m

C$ 392

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 29/3

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Fri 3/4

3:05 p.m.-5:15 p.m.

Nonstop4h 10m

C$ 411

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 29/3

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Thu 2/4

5:05 p.m.-7:15 p.m.

Nonstop4h 10m

C$ 411

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 19/4

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Thu 23/4

5:05 p.m.-7:15 p.m.

Nonstop4h 10m

C$ 414

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 9/2

10:15 p.m.-11:15 a.m.

1 stop11h 00m

Thera Santorini

Sun 15/2

8:10 a.m.-3:30 p.m.

1 stop9h 20m

C$ 461

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/5

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Sun 17/5

5:10 p.m.-7:20 p.m.

Nonstop4h 10m

C$ 469

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 29/3

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Mon 30/3

2:50 p.m.-4:55 p.m.

Nonstop4h 05m

C$ 469

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 20/4

8:10 a.m.-2:00 p.m.

Nonstop3h 50m

C$ 220

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 17/4

8:15 a.m.-2:05 p.m.

Nonstop3h 50m

C$ 222

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 11/5

8:10 a.m.-2:00 p.m.

Nonstop3h 50m

C$ 234

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 13 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 round-trip 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 round-trip flight from London to Santorini. Price data was last updated on 12 December 2025.

The price you pay for your flight from London to Thera may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 C$ 235). Flying from London to Thera in December is currently the most expensive (average of C$ 656). 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.

What is the cheapest time of day to fly from LON to JTR?

Find hourly flight availability from London to Santorini. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 December 2025.

It’s optimal to fly from London to Thera at noon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip 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 has 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?

    Most people fly into Thera Santorini (JTR) if they book a flight to Thera from London. On average, Santorini has 0 inbound flights from London per day from 0 airlines. Thera Santorini is conveniently located just 4.6 km from Thera’s city centre.

  • How long is the flight from London to Thera?

    Aegean Airlines and British Airways can get you from London to Thera in just under 3h 55m. Your travel time can differ by up to 7h 05m. The distance between London and Thera is about 2643 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 vacation 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 C$ 235). Flying from London to Thera in December is currently the most expensive (average of C$ 656). 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
Oia
Pyrgos Kallistis

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Alternative routes for London to Santorini

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Santorini flights

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

Cheapflights makes it easy to find London to Santorini flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Santorini, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for London to Santorini flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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