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Cheap flights from London to Thera from C$ 235

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
28 Feb — 7 Mar1
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 29 January 2026.

Thu 7/58:05 p.m.
LHR
-
JTR
1 stop21h 05m
SWISS
Sun 10/58:55 p.m.
JTR
-
LHR
2 stops23h 35m
SWISS
Deal found 28/1C$ 384
Thu 25/68:05 p.m.
LHR
-
JTR
1 stop20h 05m
SWISS
Mon 29/68:45 p.m.
JTR
-
LHR
1 stop13h 10m
SWISS
Deal found 27/1C$ 388
Mon 20/48:05 a.m.
LHR
-
JTR
Nonstop3h 50m
British Airways
Fri 24/43:05 p.m.
JTR
-
LHR
Nonstop4h 10m
British Airways
Deal found 28/1C$ 402
Fri 13/37:00 p.m.
LHR
-
JTR
1 stop10h 35m
Aegean Airlines
Mon 16/32:45 p.m.
JTR
-
LHR
1 stop8h 30m
Aegean Airlines
Deal found 28/1C$ 429
Sun 17/56:00 a.m.
LHR
-
JTR
1 stop12h 10m
SWISS
Fri 22/58:00 p.m.
JTR
-
LHR
1 stop23h 50m
SWISS
Deal found 26/1C$ 434
Thu 25/68:05 p.m.
LHR
-
JTR
1 stop20h 05m
SWISS
Wed 1/712:45 p.m.
JTR
-
LHR
1 stop10h 45m
SWISS
Deal found 27/1C$ 436
Tue 23/67:00 a.m.
LHR
-
JTR
2 stops24h 50m
SWISS
Sun 28/68:55 p.m.
JTR
-
LHR
1 stop13h 00m
SWISS
Deal found 28/1C$ 448
Mon 29/68:05 a.m.
LHR
-
JTR
Nonstop3h 50m
British Airways
Sat 4/76:30 p.m.
JTR
-
LHR
Nonstop4h 05m
British Airways
Deal found 27/1C$ 462
Thu 5/310:15 p.m.
LHR
-
JTR
1 stop11h 00m
Aegean Airlines
Mon 9/32:45 p.m.
JTR
-
LHR
1 stop8h 30m
Aegean Airlines
Deal found 27/1C$ 464

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 29 January 2026.

Round-trip from

C$ 384

One-way from

C$ 235

Popular in

December

Cheapest in

November

Average price

C$ 331
SWISS
  • SWISS
  • 7/5-10/5
  • 3 total stops
  • 44h 40m total
  • London to Thera
Search Deals
British Airways
  • British Airways
  • 20/4
  • Nonstop
  • 3h 50m total
  • London to Thera
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 29 January 2026.
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 13/3

7:00 p.m.-7:35 a.m.

1 stop10h 35m

Thera Santorini

Mon 16/3

2:45 p.m.-9:15 p.m.

1 stop8h 30m

C$ 429

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 17/5

6:00 a.m.-8:10 p.m.

1 stop12h 10m

Thera Santorini

Fri 22/5

8:00 p.m.-4:35 p.m.

2 stops22h 35m

C$ 455

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 29/6

8:05 a.m.-1:55 p.m.

Nonstop3h 50m

Thera Santorini

Sat 4/7

6:30 p.m.-8:35 p.m.

Nonstop4h 05m

C$ 479

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

6:00 a.m.-11:10 a.m.

1 stop7h 10m

C$ 504

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 23/6

7:00 a.m.-9:50 a.m.

2 stops24h 50m

Thera Santorini

Wed 1/7

12:45 p.m.-7:55 a.m.

2 stops21h 10m

C$ 516

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 10/3

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

1 stop11h 00m

Thera Santorini

Mon 16/3

2:45 p.m.-9:15 p.m.

1 stop8h 30m

C$ 524

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 2/5

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

Nonstop4h 00m

Thera Santorini

Sat 9/5

3:55 p.m.-6:05 p.m.

Nonstop4h 10m

C$ 543

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 27/6

7:00 a.m.-3:00 p.m.

1 stop6h 00m

Thera Santorini

Wed 1/7

12:45 p.m.-9:30 p.m.

1 stop10h 45m

C$ 558

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/5

4:35 p.m.-12:15 a.m.

1 stop5h 40m

Thera Santorini

Sun 17/5

4:35 p.m.-9:10 p.m.

1 stop6h 35m

C$ 565

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 17/5

6:30 a.m.-4:55 p.m.

2 stops8h 25m

Thera Santorini

Fri 22/5

8:00 p.m.-4:35 p.m.

2 stops22h 35m

C$ 567

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 21 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 23 January 2026.

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.

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, SWISS, and British Airways can get you from London to Thera in just under 3h 50m. Your travel time can differ by up to 8h 20m. 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.

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

Fly with Cheapflights

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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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