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Cheap flights from London Heathrow Airport to Thera from C$ 171

LHR — JTR
20 Sep — 27 Sep1
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

Sun 13/96:00 a.m. -
1 stop12h 10m
Tue 29/99:40 p.m. -
1 stop12h 40m
Deal found 19/8C$ 312
Mon 14/96:00 a.m. -
1 stop12h 00m
Tue 29/99:40 p.m. -
1 stop12h 40m
Deal found 19/8C$ 334
Sun 30/86:00 a.m. -
1 stop12h 10m
Mon 7/98:45 p.m. -
1 stop13h 10m
Deal found 17/8C$ 353
Sat 3/106:00 a.m. -
1 stop12h 50m
Sat 10/109:40 p.m. -
1 stop12h 40m
Deal found 19/8C$ 356
Sun 30/86:00 a.m. -
1 stop12h 10m
Tue 8/99:40 p.m. -
1 stop12h 40m
Deal found 17/8C$ 361
Tue 6/102:25 p.m. -
2 stops17h 25m
Sat 10/109:40 p.m. -
1 stop12h 40m
Deal found 17/8C$ 364
Tue 8/98:05 p.m. -
1 stop11h 45m
Mon 14/98:45 p.m. -
1 stop13h 10m
Deal found 18/8C$ 369
Mon 5/106:00 a.m. -
1 stop12h 00m
Sat 10/109:40 p.m. -
1 stop12h 40m
Deal found 21/8C$ 390
Sun 6/96:00 a.m. -
1 stop12h 10m
Mon 14/98:45 p.m. -
1 stop13h 10m
Deal found 18/8C$ 392
Mon 28/98:40 a.m. -
1 stop9h 20m
Sun 4/108:55 p.m. -
1 stop13h 00m
Deal found 17/8C$ 408

Find flight deals from Heathrow to Santorini

Round-trip from

C$ 312

One-way from

C$ 171

Popular in

December

Cheapest in

February

Average price

C$ 615

Good one-way deal

C$ 337 or less
Austrian Airlines
  • Austrian Airlines
  • 13/9-29/9
  • 2 total stops
  • 24h 50m total
  • London to Thera
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11/10
  • 11/10
  • 1 total stop
  • 26h 25m total
  • London to Thera
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Highest demand for flights based on searches. 11% potential increase in price (C$ 106 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 52 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Price to beat on a one-way flight from London Heathrow to Thera Santorini.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Thera that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Tue 6/10

2:25 p.m.-9:50 a.m.

2 stops17h 25m

Thera Santorini

Mon 12/10

8:45 p.m.-7:55 a.m.

1 stop13h 10m

C$ 423

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Mon 12/10

7:00 a.m.-8:00 p.m.

2 stops11h 00m

Thera Santorini

Sun 18/10

8:55 p.m.-7:55 a.m.

1 stop13h 00m

C$ 425

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Sat 5/9

8:05 p.m.-8:10 p.m.

1 stop22h 05m

Thera Santorini

Mon 14/9

8:45 p.m.-9:30 p.m.

2 stops26h 45m

C$ 425

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Sun 6/9

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

1 stop12h 10m

Thera Santorini

Mon 14/9

8:45 p.m.-1:40 p.m.

2 stops18h 55m

C$ 465

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Sun 20/9

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

1 stop12h 10m

Thera Santorini

Sun 27/9

8:55 p.m.-7:55 a.m.

1 stop13h 00m

C$ 484

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Sat 19/9

2:25 p.m.-8:10 p.m.

2 stops27h 45m

Thera Santorini

Sun 27/9

8:55 p.m.-9:30 p.m.

2 stops26h 35m

C$ 496

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Fri 25/9

7:15 p.m.-8:10 p.m.

2 stops46h 55m

Thera Santorini

Mon 28/9

8:45 p.m.-7:55 a.m.

1 stop13h 10m

C$ 498

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Fri 16/10

7:15 p.m.-8:10 p.m.

2 stops46h 55m

Thera Santorini

Mon 19/10

8:45 p.m.-6:30 p.m.

2 stops23h 45m

C$ 511
Quickest round-trip

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Tue 6/10

8:00 a.m.-1:50 p.m.

Nonstop3h 50m

Thera Santorini

Mon 12/10

5:25 p.m.-7:35 p.m.

Nonstop4h 10m

C$ 513

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Mon 5/10

5:15 p.m.-9:50 a.m.

2 stops38h 35m

Thera Santorini

Wed 14/10

10:40 a.m.-4:25 p.m.

1 stop7h 45m

C$ 554

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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?

The best time to book flights from London Heathrow Airport to Thera is 61 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.

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Thera (average of C$ 360). Flying from London Heathrow Airport to Thera in December is currently the most expensive (average of C$ 1,015). 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 LHR to JTR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Thera as you normally would.

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

Airfare is below average for this route at the moment.

London Heathrow Airport to Thera flights typically cost between C$ 551 and C$ 818 in September.
The cheapest round-trip price found within the last 5 days was C$ 312 on Multiple Airlines (13 Sep-29 Sep).

Related info for your journey

  • 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 11h 45m. Fly via SWISS or Austrian Airlines to get the fastest option. There are 2643 km between London Heathrow Airport and Thera. This flight may include one or multiple stops.

  • What are the cheapest flights from London Heathrow Airport to Thera?

    On average you can expect to pay C$ 337 for a flight from London Heathrow Airport to Thera. The cheapest flight overall is C$ 330 while the most popular route, (London Heathrow - Thera Santorini) is currently priced at C$ 437.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Thera (average of C$ 360). Flying from London Heathrow Airport to Thera in December is currently the most expensive (average of C$ 1,015). 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
Imerovigli
Oia
Pyrgos Kallistis

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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.

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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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