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Cheap flights from London Heathrow Airport to Thera from C$ 217

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.
LHR — JTR
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Santorini

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Santorini
Explore the most affordable flight options available from Heathrow to Santorini. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2026.

Tue 30/66:40 p.m.
LHR
-
JTR
1 stop13h 10m
SWISS
Wed 8/710:40 a.m.
JTR
-
LHR
1 stop9h 10m
SWISS
Deal found 19/1C$ 343
Tue 9/68:05 p.m.
LHR
-
JTR
1 stop11h 45m
Multiple Airlines
Sat 20/67:35 p.m.
JTR
-
LHR
1 stop14h 40m
Multiple Airlines
Deal found 18/1C$ 351
Tue 25/88:05 p.m.
LHR
-
JTR
1 stop11h 45m
SWISS
Fri 4/97:00 p.m.
JTR
-
LHR
1 stop14h 55m
SWISS
Deal found 19/1C$ 361
Tue 30/66:40 p.m.
LHR
-
JTR
1 stop13h 10m
Multiple Airlines
Thu 9/75:45 p.m.
JTR
-
LHR
1 stop6h 25m
Multiple Airlines
Deal found 19/1C$ 365
Fri 5/66:00 a.m.
LHR
-
JTR
1 stop11h 10m
Multiple Airlines
Fri 12/67:25 p.m.
JTR
-
LHR
1 stop14h 50m
Multiple Airlines
Deal found 19/1C$ 379
Sat 12/97:30 p.m.
LHR
-
JTR
1 stop11h 25m
Austrian Airlines
Tue 22/99:40 p.m.
JTR
-
LHR
1 stop12h 40m
Austrian Airlines
Deal found 21/1C$ 382
Wed 6/57:15 p.m.
LHR
-
JTR
2 stops45h 55m
SWISS
Sun 10/58:55 p.m.
JTR
-
LHR
1 stop13h 00m
SWISS
Deal found 19/1C$ 398
Tue 30/68:05 p.m.
LHR
-
JTR
1 stop11h 45m
Multiple Airlines
Tue 7/75:40 p.m.
JTR
-
LHR
1 stop6h 30m
Multiple Airlines
Deal found 19/1C$ 401
Sat 16/511:30 a.m.
LHR
-
JTR
Nonstop4h 00m
British Airways
Sat 23/55:05 p.m.
JTR
-
LHR
Nonstop4h 10m
British Airways
Deal found 19/1C$ 409
Tue 18/86:40 p.m.
LHR
-
JTR
1 stop13h 10m
Multiple Airlines
Sat 22/87:35 p.m.
JTR
-
LHR
1 stop14h 40m
Multiple Airlines
Deal found 19/1C$ 411
Tue 25/86:40 p.m.
LHR
-
JTR
1 stop13h 10m
Multiple Airlines
Sat 5/95:40 p.m.
JTR
-
LHR
1 stop6h 30m
Multiple Airlines
Deal found 19/1C$ 419
Wed 15/77:25 a.m.
LHR
-
JTR
1 stop8h 55m
Lufthansa
Sat 25/77:35 p.m.
JTR
-
LHR
1 stop14h 40m
Lufthansa
Deal found 21/1C$ 420

Find flight deals from Heathrow to Santorini

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 21 January 2026.

Round-trip from

C$ 343

One-way from

C$ 217

Popular in

August

Cheapest in

February

Average price

C$ 376
SWISS
  • SWISS
  • 30/6-8/7
  • 2 total stops
  • 22h 20m 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. 18% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 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 Heathrow 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 21 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Thera that are best for you.

Fly from

Heathrow

Fly to

Santorini

Route

Depart

Return

Price

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/6

8:05 p.m.-9:50 a.m.

1 stop11h 45m

Thera Santorini

Sat 20/6

7:35 p.m.-8:15 a.m.

1 stop14h 40m

C$ 351

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 15/7

7:25 a.m.-6:20 p.m.

1 stop8h 55m

Thera Santorini

Sat 25/7

7:35 p.m.-8:15 a.m.

1 stop14h 40m

C$ 420

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 29/4

7:25 a.m.-6:20 p.m.

1 stop8h 55m

Thera Santorini

Fri 8/5

7:25 p.m.-8:15 a.m.

1 stop14h 50m

C$ 424

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 30/6

8:05 p.m.-9:50 a.m.

1 stop11h 45m

Thera Santorini

Wed 8/7

10:40 a.m.-9:30 p.m.

2 stops12h 50m

C$ 453

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 9/3

12:15 p.m.-10:25 p.m.

1 stop8h 10m

Thera Santorini

Mon 16/3

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

1 stop8h 30m

C$ 463

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 29/4

9:00 a.m.-6:20 p.m.

1 stop7h 20m

Thera Santorini

Fri 8/5

8:00 p.m.-1:40 p.m.

2 stops19h 40m

C$ 463

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 29/6

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

1 stop12h 00m

Thera Santorini

Fri 3/7

7:25 p.m.-5:40 p.m.

2 stops24h 15m

C$ 469

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 1/7

9:00 a.m.-6:20 p.m.

1 stop7h 20m

Thera Santorini

Thu 9/7

5:45 p.m.-10:10 p.m.

1 stop6h 25m

C$ 476

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$ 502

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/5

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

Nonstop4h 00m

Thera Santorini

Sun 17/5

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

Nonstop4h 10m

C$ 524

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/1

Showing 1-10 of 18 results
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Best time to book a flight from Heathrow to Santorini

Have a flexible travel schedule? Discover the best time to fly to Santorini from Heathrow 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 Heathrow Airport to Thera

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Santorini. Price data was last updated on 16 January 2026.

The best time to book flights from London Heathrow Airport to Thera is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

How much does it cost to fly round-trip from London Heathrow Airport to Thera?

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    Most people fly into Thera Santorini (JTR) if they book a flight to Thera from London Heathrow. On average, Santorini has 0 inbound flights from London Heathrow 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 Heathrow Airport to Thera?

    There are many flights that can get you from London Heathrow Airport to Thera in 8h 55m. Fly via Lufthansa or SWISS to get the fastest option. There are 2643 km between London Heathrow Airport and Thera. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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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Complete your trip

Complete your trip to Santorini by adding a car rental and/or hotel reservation to your travel itinerary.
Rhodes car rentals

Fly with Cheapflights

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

Cheapflights makes it easy to find Heathrow 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 Heathrow to Santorini?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Santorini for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Heathrow to Santorini with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Santorini from Heathrow today and book when prices fit your budget.

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