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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

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

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

How many flights depart from London Heathrow Airport to Thera on average per week?

6 flights are operational weekly from London Heathrow Airport to Thera as of September 2026. The most popular departure day for this route is Thu, with 33% of flights per week taking off on this day.

How often are flights from London to Thera delayed?

Historically, on average around 13% of flights between London and Thera have experienced a delay on any given week. The average delay length over the past 12 months has been 97 minutes.

What is the cheapest airline that flies from London Heathrow to Thera Santorini?

Aegean Airlines is the most popular carrier operating from London Heathrow to Thera Santorini

When did momondo last update prices for flights from London Heathrow Airport to Thera Santorini Airport?

Prices for flights from London Heathrow Airport to Thera Santorini Airport refresh daily.

How old do you have to be to fly from London Heathrow Airport to Thera Santorini Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Thera Santorini Airport.

What documentation or ID do you need to fly to Thera Santorini Airport?

The travel and health documents you'll need for your trip to Thera Santorini Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Thera Santorini Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

€128 Cheap Flights from London Heathrow Airport to Thera in 2026

Find the cheapest flights from London Heathrow Airport to Thera

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

14:25 - 09:50LHR London Heathrow-JTR Thera Santorini

17h 25m2 stops Geneva Geneve-Cointrin Zurich

21:40 - 08:20JTR Thera Santorini-LHR London Heathrow

12h 40m1 stop Vienna Intl

€215Multiple Airlines

Tue, 6 Oct - Sat, 10 Oct

14:25 - 09:50LHR London Heathrow-JTR Thera Santorini

17h 25m2 stops Geneva Geneve-Cointrin Zurich

21:40 - 08:20JTR Thera Santorini-LHR London Heathrow

12h 40m1 stop Vienna Intl

€216Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

20:05 - 20:10LHR London Heathrow-JTR Thera Santorini

22h 05m1 stop Zurich

20:55 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 00m1 stop Zurich

€230SWISS

Sat, 26 Sep - Sun, 4 Oct

08:40 - 20:00LHR London Heathrow-JTR Thera Santorini

9h 20m1 stop Zurich

20:55 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 00m1 stop Zurich

€231SWISS

Mon, 28 Sep - Sun, 4 Oct

18:40 - 20:10LHR London Heathrow-JTR Thera Santorini

23h 30m1 stop Zurich

20:55 - 16:35JTR Thera Santorini-LHR London Heathrow

21h 40m2 stops Zurich Geneva Geneve-Cointrin

€232SWISS

Sat, 26 Sep - Sun, 4 Oct

19:15 - 20:10LHR London Heathrow-JTR Thera Santorini

46h 55m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 10m1 stop Zurich

€251SWISS

Fri, 25 Sep - Mon, 28 Sep

08:55 - 09:50LHR London Heathrow-JTR Thera Santorini

22h 55m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 10m1 stop Zurich

€264SWISS

Tue, 6 Oct - Mon, 12 Oct

14:25 - 20:10LHR London Heathrow-JTR Thera Santorini

27h 45m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 10m1 stop Zurich

€265SWISS

Sat, 26 Sep - Mon, 5 Oct

14:25 - 20:10LHR London Heathrow-JTR Thera Santorini

27h 45m2 stops Geneva Geneve-Cointrin Zurich

20:55 - 18:30JTR Thera Santorini-LHR London Heathrow

23h 35m2 stops Zurich Geneva Geneve-Cointrin

€266SWISS

Sat, 26 Sep - Sun, 4 Oct

19:15 - 20:10LHR London Heathrow-JTR Thera Santorini

46h 55m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 10m1 stop Zurich

€268SWISS

Fri, 18 Sep - Mon, 21 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

07:00 - 20:00LHR London Heathrow-JTR Thera Santorini

11h 00m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 10m1 stop Zurich

€290SWISS

Mon, 7 Sep - Mon, 14 Sep

07:00 - 20:00LHR London Heathrow-JTR Thera Santorini

11h 00m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 18:30JTR Thera Santorini-LHR London Heathrow

23h 45m2 stops Zurich Geneva Geneve-Cointrin

€328SWISS

Mon, 7 Sep - Mon, 14 Sep

18:40 - 09:50LHR London Heathrow-JTR Thera Santorini

13h 10m1 stop Zurich

17:55 - 08:15JTR Thera Santorini-LHR London Heathrow

16h 20m2 stops Frankfurt am Main Munich Franz Josef Strauss

€334Multiple Airlines

Tue, 8 Sep - Tue, 15 Sep

19:15 - 18:10LHR London Heathrow-JTR Thera Santorini

20h 55m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 10m1 stop Zurich

€394SWISS

Thu, 10 Sep - Mon, 14 Sep

19:15 - 18:10LHR London Heathrow-JTR Thera Santorini

20h 55m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 18:30JTR Thera Santorini-LHR London Heathrow

23h 45m2 stops Zurich Geneva Geneve-Cointrin

€432SWISS

Thu, 10 Sep - Mon, 14 Sep

22:15 - 07:45LHR London Heathrow-JTR Thera Santorini

7h 30m1 stop Athens Eleftherios V.

16:35 - 21:10JTR Thera Santorini-LHR London Heathrow

6h 35m1 stop Athens Eleftherios V.

€488Aegean Airlines

Thu, 10 Sep - Thu, 17 Sep

19:15 - 18:10LHR London Heathrow-JTR Thera Santorini

20h 55m2 stops Geneva Geneve-Cointrin Zurich

20:45 - 21:30JTR Thera Santorini-LHR London Heathrow

26h 45m2 stops Zurich Geneva Geneve-Cointrin

€497SWISS

Thu, 10 Sep - Mon, 14 Sep

19:15 - 18:10LHR London Heathrow-JTR Thera Santorini

20h 55m2 stops Geneva Geneve-Cointrin Zurich

20:55 - 07:55JTR Thera Santorini-LHR London Heathrow

13h 00m1 stop Zurich

€503SWISS

Thu, 10 Sep - Sun, 13 Sep

07:00 - 18:10LHR London Heathrow-JTR Thera Santorini

9h 10m2 stops Geneva Geneve-Cointrin Zurich

20:55 - 16:35JTR Thera Santorini-LHR London Heathrow

21h 40m2 stops Zurich Geneva Geneve-Cointrin

€566SWISS

Fri, 11 Sep - Sun, 13 Sep

19:15 - 18:10LHR London Heathrow-JTR Thera Santorini

20h 55m2 stops Geneva Geneve-Cointrin Zurich

20:55 - 16:35JTR Thera Santorini-LHR London Heathrow

21h 40m2 stops Zurich Geneva Geneve-Cointrin

€572SWISS

Thu, 10 Sep - Sun, 13 Sep

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SWISS flights from London Heathrow Airport to Thera

Our best SWISS deals on London Heathrow Airport to Thera flight tickets

SWISS

26 Sept

LHR20:05London Heathrow

22h 05m

1 stop

JTR20:10Thera Santorini

4 Oct

JTR20:55Thera Santorini

13h 00m

1 stop

LHR07:55London Heathrow

€230

SWISS

28 Sept

LHR08:40London Heathrow

9h 20m

1 stop

JTR20:00Thera Santorini

4 Oct

JTR20:55Thera Santorini

13h 00m

1 stop

LHR07:55London Heathrow

€231

SWISS

26 Sept

LHR18:40London Heathrow

23h 30m

1 stop

JTR20:10Thera Santorini

4 Oct

JTR20:55Thera Santorini

21h 40m

2 stops

LHR16:35London Heathrow

€232

Aegean Airlines flights from London Heathrow Airport to Thera

Our best Aegean Airlines deals on London Heathrow Airport to Thera flight tickets

Aegean Airlines

11 Oct

LHR19:00London Heathrow

10h 45m

1 stop

JTR07:45Thera Santorini

15 Oct

JTR18:40Thera Santorini

25h 15m

1 stop

LHR17:55London Heathrow

€343

Aegean Airlines

11 Oct

LHR19:00London Heathrow

10h 45m

1 stop

JTR07:45Thera Santorini

15 Oct

JTR18:40Thera Santorini

25h 15m

1 stop

LHR17:55London Heathrow

€344

Aegean Airlines

10 Sept

LHR22:15London Heathrow

7h 30m

1 stop

JTR07:45Thera Santorini

17 Sept

JTR16:35Thera Santorini

6h 35m

1 stop

LHR21:10London Heathrow

€488

momondo 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 return flight

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Tue 6/10

14:25-09:50

2 stops17h 25m

Thera Santorini

Sat 10/10

21:40-08:20

1 stop12h 40m

€215

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Tue 29/9

14:25-09:50

2 stops17h 25m

Thera Santorini

Tue 6/10

21:40-08:20

1 stop12h 40m

€216

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Sat 26/9

20:05-20:10

1 stop22h 05m

Thera Santorini

Sun 4/10

20:55-07:55

1 stop13h 00m

€230

Fastest return journey

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Mon 28/9

08:40-20:00

1 stop9h 20m

Thera Santorini

Sun 4/10

20:55-07:55

1 stop13h 00m

€231

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Sat 26/9

18:40-20:10

1 stop23h 30m

Thera Santorini

Sun 4/10

20:55-16:35

2 stops21h 40m

€232

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Fri 25/9

19:15-20:10

2 stops46h 55m

Thera Santorini

Mon 28/9

20:45-07:55

1 stop13h 10m

€251

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Tue 6/10

08:55-09:50

2 stops22h 55m

Thera Santorini

Mon 12/10

20:45-07:55

1 stop13h 10m

€264

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Sat 26/9

14:25-20:10

2 stops27h 45m

Thera Santorini

Mon 5/10

20:45-07:55

1 stop13h 10m

€265

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Sat 26/9

14:25-20:10

2 stops27h 45m

Thera Santorini

Sun 4/10

20:55-18:30

2 stops23h 35m

€266

LondonThera

LHR London Heathrow - JTR Thera Santorini

LHRJTR

London Heathrow

Fri 18/9

19:15-20:10

2 stops46h 55m

Thera Santorini

Mon 21/9

20:45-07:55

1 stop13h 10m

€268

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Thera

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between London Heathrow Airport and Thera?

Prices are currently low for flights on this route.

Typical prices usually range from €349 to €549.
The lowest price recently found on this route was €215.

What is the cheapest month to fly to Thera?

The month of February is, on average, the cheapest month to fly to Thera from London Heathrow Airport, with most prices found around €225. If you aren’t able to travel to Thera during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of €307.

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

You are more likely to see cheaper flights to Thera from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Thera for around €385 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thera from London Heathrow Airport for as low as €342 on momondo.

When to book flights from London Heathrow Airport to Thera

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Thera according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Heathrow Airport to Thera (LHR to JTR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Thera

Best price found	€128
Direct flights	Every day
Airports in Thera	1 airport

The best one-way flight to Thera from London Heathrow Airport in the past 72 hours is €128. The best return flight deal from London Heathrow Airport to Thera found on momondo in the last 72 hours is €215.

Direct flights go from London Heathrow Airport to Thera every day.

There is 1 airport in Thera. From London Heathrow Airport there are direct flights to Thera Santorini (JTR).

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Thera

How far is London Heathrow to Thera Santorini by plane?
Thera Santorini is 2638.1 km away from London Heathrow.
When did momondo last update prices for flights from London Heathrow Airport to Thera Santorini Airport?
Prices for flights from London Heathrow Airport to Thera Santorini Airport refresh daily.
How old do you have to be to fly from London Heathrow Airport to Thera Santorini Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Thera Santorini Airport.
What documentation or ID do you need to fly to Thera Santorini Airport?
The travel and health documents you'll need for your trip to Thera Santorini Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Thera Santorini Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Thera?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Thera is Airbus A320neo (36.15% of total bookings). The next most popular plane models are Airbus A320-100/200 (32.61%), Boeing 737-800 Passenger/BBJ2 (winglets) (8.45%), and Airbus A321neo (6.48%).

Perissa

Oia

Pyrgos Kallistis

Firostefani

Ios

Imerovigli

Kamari

Karterados

Why use momondo?

Why should I use momondo to find a flight deal from London to Thera?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Thera . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Thera with flexible booking policies on momondo?

momondo does allow users to show only those flights to Thera from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Thera?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Thera.

I’m not ready to book a flight from London to Thera right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Thera, momondo offers a useful price alert feature which will track prices for flights to Thera from London and alert you when they change.

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Cheap flights from London Heathrow Airport to Thera from €128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Thera departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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SWISS flights from London Heathrow Airport to Thera

Our best SWISS deals on London Heathrow Airport to Thera flight tickets

Aegean Airlines flights from London Heathrow Airport to Thera

Our best Aegean Airlines deals on London Heathrow Airport to Thera flight tickets

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

See travel insights to Thera from

How to get the cheapest flight ticket from London Heathrow Airport to Thera

What is the typical price of a round-trip flight between London Heathrow Airport and Thera?

What is the cheapest month to fly to Thera?

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

What is the cheapest airline that flies from London Heathrow to Thera Santorini?

How often are flights from London to Thera delayed?

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

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

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

How many flights depart from London Heathrow Airport to Thera on average per week?

When to book flights from London Heathrow Airport to Thera

Cheap London Heathrow Airport to Thera (LHR to JTR) flight deals and tips

Best price found

Direct flights

Airports in Thera

Frequently asked questions about flying from London Heathrow Airport to Thera

Travelling to a place near Thera?

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An easier way to manage your Thera trip

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