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Cheap flights from London to Thera from $248

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 to Thera departing on 20/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London to Thera

Cheap return flights

Enter your travel dates to find the best prices.
Aegean Airlines Logo
22:15 - 14:15LHR-JTR
14h 00m1 stop
Aegean Airlines Logo
08:10 - 21:15JTR-LHR
15h 05m1 stop
$377Aegean Airlines
Find Deal
Fri, 5 Dec - Fri, 12 Dec
Aegean Airlines Logo
22:15 - 07:40LHR-JTR
7h 25m1 stop
Aegean Airlines Logo
14:45 - 21:15JTR-LHR
8h 30m1 stop
$473Aegean Airlines
Find Deal
Mon, 9 Feb - Sun, 15 Feb
Aegean Airlines Logo
22:15 - 07:40LHR-JTR
7h 25m1 stop
Aegean Airlines Logo
14:45 - 21:15JTR-LHR
8h 30m1 stop
$474Aegean Airlines
Find Deal
Mon, 9 Feb - Sun, 15 Feb
Aegean Airlines Logo
22:15 - 07:40LHR-JTR
7h 25m1 stop
Aegean Airlines Logo
14:45 - 21:15JTR-LHR
8h 30m1 stop
$476Aegean Airlines
Find Deal
Mon, 9 Feb - Sun, 15 Feb
Multiple Airlines Logo
17:35 - 08:35LHR-JTR
13h 00m2 stops
Multiple Airlines Logo
21:35 - 08:00JTR-LHR
12h 25m2 stops
$505Multiple Airlines
Find Deal
Fri, 5 Dec - Fri, 12 Dec
Multiple Airlines Logo
22:15 - 07:40LHR-JTR
7h 25m1 stop
Multiple Airlines Logo
18:40 - 07:55JTR-LHR
15h 15m2 stops
$516Multiple Airlines
Find Deal
Fri, 5 Dec - Fri, 12 Dec
Aegean Airlines Logo
19:00 - 07:35LHR-JTR
10h 35m1 stop
Aegean Airlines Logo
14:45 - 21:15JTR-LHR
8h 30m1 stop
$551Aegean Airlines
Find Deal
Fri, 21 Nov - Sun, 23 Nov
Aegean Airlines Logo
22:15 - 07:45LHR-JTR
7h 30m1 stop
Aegean Airlines Logo
11:35 - 17:55JTR-LHR
8h 20m1 stop
$556Aegean Airlines
Find Deal
Mon, 30 Mar - Mon, 6 Apr
British Airways Logo
10:15 - 16:10LHR-JTR
3h 55mdirect
British Airways Logo
17:05 - 19:15JTR-LHR
4h 10mdirect
$1,277British Airways
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Sun, 12 Apr - Thu, 16 Apr
Etihad Airways Logo
20:55 - 08:35LHR-JTR
33h 40m2 stops
Etihad Airways Logo
09:00 - 12:05JTR-LHR
29h 05m2 stops
$13,342Etihad Airways
Find Deal
Tue, 4 Nov - Mon, 17 Nov

Aegean Airlines flights from London to Thera

Our best Aegean Airlines deals on London to Thera flight tickets
Aegean Airlines
5 Dec
LHR22:15London Heathrow
14h 00m
1 stop
JTR14:15Thera Santorini
12 Dec
JTR08:10Thera Santorini
15h 05m
1 stop
LHR21:15London Heathrow
$377
Find similar
Aegean Airlines
9 Feb
LHR22:15London Heathrow
7h 25m
1 stop
JTR07:40Thera Santorini
15 Feb
JTR14:45Thera Santorini
8h 30m
1 stop
LHR21:15London Heathrow
$473
Find similar
Aegean Airlines
9 Feb
LHR22:15London Heathrow
7h 25m
1 stop
JTR07:40Thera Santorini
15 Feb
JTR14:45Thera Santorini
8h 30m
1 stop
LHR21:15London Heathrow
$474
Find similar

British Airways flights from London to Thera

Our best British Airways deals on London to Thera flight tickets
British Airways
9 Apr
LHR10:15London Heathrow
3h 50m
JTR16:05Thera Santorini
13 Apr
JTR14:50Thera Santorini
4h 05m
LHR16:55London Heathrow
$582
Find similar
British Airways
12 Apr
LHR10:15London Heathrow
3h 55m
JTR16:10Thera Santorini
16 Apr
JTR17:05Thera Santorini
4h 10m
LHR19:15London Heathrow
$1,277
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to Thera 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, momondo users made 78,305 searches. Data last updated 23 October 2025.
Use the filters below to find and compare flights from London to Thera that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 5/12

22:15-14:15

1 stop14h 00m

Thera Santorini

Fri 12/12

08:10-21:15

1 stop15h 05m

$377

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 9/2

22:15-07:40

1 stop7h 25m

Thera Santorini

Sun 15/2

14:45-21:15

1 stop8h 30m

$473

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 9/2

22:15-07:40

1 stop7h 25m

Thera Santorini

Sun 15/2

14:45-21:15

1 stop8h 30m

$474

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 9/2

22:15-07:40

1 stop7h 25m

Thera Santorini

Sun 15/2

14:45-21:15

1 stop8h 30m

$476

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 5/12

17:35-08:35

2 stops13h 00m

Thera Santorini

Fri 12/12

21:35-08:00

2 stops12h 25m

$505

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 5/12

22:15-07:40

1 stop7h 25m

Thera Santorini

Fri 12/12

18:40-07:55

2 stops15h 15m

$516

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 21/11

19:00-07:35

1 stop10h 35m

Thera Santorini

Sun 23/11

14:45-21:15

1 stop8h 30m

$551

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 30/3

22:15-07:45

1 stop7h 30m

Thera Santorini

Mon 6/4

11:35-17:55

1 stop8h 20m

$556

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 12/4

10:15-16:10

Nonstop3h 55m

Thera Santorini

Thu 16/4

17:05-19:15

Nonstop4h 10m

$1,277

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 4/11

20:55-08:35

2 stops33h 40m

Thera Santorini

Mon 17/11

09:00-12:05

2 stops29h 05m

$13,342

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Thera from

How to get the cheapest flight ticket from London 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

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

What is the cheapest month to fly to Thera?

If you’re not able to fly to Thera in March, then April is your next best option. Flight prices from London to Thera during April average around $313.

What is the cheapest day to depart on your flight to Thera?

Our data shows that Wednesday is the least expensive day to fly to Thera. Tickets to fly out on this day can be as low as $372. The most expensive day to fly to Thera is Sunday, with ticket prices averaging around $887.

What is the cheapest time of day to depart on your flight to Thera?

According to our data, the cheapest time of day to fly to Thera is in the afternoon. momondo users have found flights departing from London to Thera in the afternoon for as low as $98. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Thera, so prices are often more expensive at around $473 per ticket.

What is the cheapest London to Thera Santorini flight route?

Fly from London Gatwick to Thera Santorini for the best London - Thera Santorini flight prices

How far in advance should I book a flight to Thera?

You are more likely to see cheaper flights to Thera from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Thera for around $582 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 for as low as $447 on momondo.

What cabin class options are available on London to Thera Santorini flights?

There are 2 cabin classes available to choose from on London to Thera Santorini flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Thera flights?

No. A direct flight is the cheapest option for a flight between London to Thera.

How have London to Thera flight prices changed over time?

As of October 2025, prices for London to Thera flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from London to Thera

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

Cheap London to Thera (LON to JTR) flight deals and tips

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

Fastest flight time

3h 50m

Direct flights

Mon, Tue, Fri and Sun

Airports in Thera

1 airport
The fastest flight from London to Thera takes 3h 50m
Direct flights go from London to Thera on Monday, Tuesday, Friday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Thera: Thera Santorini (JTR)
Search flight deals

  • How far is London to Thera Santorini by plane?

    The distance between London and Thera Santorini is about 2619.7 km. Flights usually cover this in 3h 55m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Thera Santorini Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Thera Santorini Airport.

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

    The required travel and health documents for your Thera Santorini Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Thera Santorini Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Thera?

Travelling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Kamari
Oia
Imerovigli
Firostefani
Ios

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Thera for you.

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

Yes. All flights to Thera from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to Thera flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Thera from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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