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Cheap flights from London to Thera from $247

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.
SWISS Logo
20:05 - 09:50
LHR
-
JTR
11h 45m
1 stop
SWISS Logo
10:40 - 17:50
JTR
-
LHR
9h 10m
1 stop
$368SWISS
Tue, 30 Jun - Wed, 8 Jul
SWISS Logo
20:05 - 09:50
LHR
-
JTR
11h 45m
1 stop
SWISS Logo
15:45 - 07:55
JTR
-
LHR
18h 10m
2 stops
$400SWISS
Tue, 23 Jun - Sat, 27 Jun
SWISS Logo
20:05 - 19:10
LHR
-
JTR
21h 05m
1 stop
SWISS Logo
20:55 - 13:40
JTR
-
LHR
18h 45m
2 stops
$406SWISS
Thu, 7 May - Sun, 10 May
Multiple Airlines Logo
06:55 - 18:35
LHR
-
JTR
9h 40m
1 stop
Multiple Airlines Logo
20:45 - 07:55
JTR
-
LHR
13h 10m
1 stop
$415Multiple Airlines
Fri, 26 Jun - Mon, 29 Jun
Multiple Airlines Logo
20:05 - 09:50
LHR
-
JTR
11h 45m
1 stop
Multiple Airlines Logo
17:45 - 22:10
JTR
-
LHR
6h 25m
1 stop
$420Multiple Airlines
Tue, 30 Jun - Thu, 9 Jul
British Airways Logo
08:05 - 13:55
LHR
-
JTR
3h 50mdirect
British Airways Logo
15:05 - 17:15
JTR
-
LHR
4h 10mdirect
$428British Airways
Mon, 20 Apr - Fri, 24 Apr
SWISS Logo
08:40 - 19:10
LHR
-
JTR
8h 30m
1 stop
SWISS Logo
10:40 - 16:25
JTR
-
LHR
7h 45m
1 stop
$432SWISS
Fri, 8 May - Wed, 13 May
SWISS Logo
07:00 - 09:50
LHR
-
JTR
24h 50m
2 stops
SWISS Logo
10:40 - 16:25
JTR
-
LHR
7h 45m
1 stop
$435SWISS
Tue, 26 May - Wed, 3 Jun
British Airways Logo
08:15 - 14:05
LHR
-
JTR
3h 50mdirect
British Airways Logo
15:05 - 17:15
JTR
-
LHR
4h 10mdirect
$444British Airways
Fri, 17 Apr - Fri, 24 Apr
Aegean Airlines Logo
22:15 - 11:15
LHR
-
JTR
11h 00m
1 stop
Aegean Airlines Logo
14:45 - 21:15
JTR
-
LHR
8h 30m
1 stop
$454Aegean Airlines
Thu, 5 Mar - Mon, 9 Mar

SWISS flights from London to Thera

Our best SWISS deals on London to Thera flight tickets
SWISS
30 June
LHR20:05London Heathrow
11h 45m
1 stop
JTR09:50Thera Santorini
8 July
JTR10:40Thera Santorini
9h 10m
1 stop
LHR17:50London Heathrow
$368
SWISS
23 June
LHR20:05London Heathrow
11h 45m
1 stop
JTR09:50Thera Santorini
27 June
JTR15:45Thera Santorini
18h 10m
2 stops
LHR07:55London Heathrow
$400
SWISS
7 May
LHR20:05London Heathrow
21h 05m
1 stop
JTR19:10Thera Santorini
10 May
JTR20:55Thera Santorini
18h 45m
2 stops
LHR13:40London Heathrow
$406

Aegean Airlines flights from London to Thera

Our best Aegean Airlines deals on London to Thera flight tickets
Aegean Airlines
5 Mar
LHR22:15London Heathrow
11h 00m
1 stop
JTR11:15Thera Santorini
9 Mar
JTR14:45Thera Santorini
8h 30m
1 stop
LHR21:15London Heathrow
$454
Aegean Airlines
28 Feb
LHR22:15London Heathrow
14h 00m
1 stop
JTR14:15Thera Santorini
6 Mar
JTR11:55Thera Santorini
5h 35m
1 stop
LHR15:30London Heathrow
$459
Aegean Airlines
28 Feb
LHR22:15London Heathrow
14h 00m
1 stop
JTR14:15Thera Santorini
6 Mar
JTR11:55Thera Santorini
5h 35m
1 stop
LHR15:30London Heathrow
$461

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 27 January 2026.
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

Tue 30/6

20:05-09:50

1 stop11h 45m

Thera Santorini

Wed 8/7

10:40-17:50

1 stop9h 10m

$368

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 23/6

20:05-09:50

1 stop11h 45m

Thera Santorini

Sat 27/6

15:45-07:55

2 stops18h 10m

$400

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 7/5

20:05-19:10

1 stop21h 05m

Thera Santorini

Sun 10/5

20:55-13:40

2 stops18h 45m

$406

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 26/6

06:55-18:35

1 stop9h 40m

Thera Santorini

Mon 29/6

20:45-07:55

1 stop13h 10m

$415

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 30/6

20:05-09:50

1 stop11h 45m

Thera Santorini

Thu 9/7

17:45-22:10

1 stop6h 25m

$420

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 20/4

08:05-13:55

Nonstop3h 50m

Thera Santorini

Fri 24/4

15:05-17:15

Nonstop4h 10m

$428

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 8/5

08:40-19:10

1 stop8h 30m

Thera Santorini

Wed 13/5

10:40-16:25

1 stop7h 45m

$432

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 26/5

07:00-09:50

2 stops24h 50m

Thera Santorini

Wed 3/6

10:40-16:25

1 stop7h 45m

$435

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 17/4

08:15-14:05

Nonstop3h 50m

Thera Santorini

Fri 24/4

15:05-17:15

Nonstop4h 10m

$444

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 5/3

22:15-11:15

1 stop11h 00m

Thera Santorini

Mon 9/3

14:45-21:15

1 stop8h 30m

$454

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 November, then March is your next best option. Flight prices from London to Thera during March average around $270.

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 $391. The most expensive day to fly to Thera is Sunday, with ticket prices averaging around $832.

What is the cheapest London to Thera Santorini flight route?

Fly from London Stansted 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 $536 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 $429 on momondo.

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

There is only 1 cabin class 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 January 2026, prices for London to Thera flights are approximately 34% 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

11h 45m

Direct flights

Every day

Airports in Thera

1 airport
The fastest flight from London to Thera takes 11h 45m
Direct flights go from London to Thera every day.
There is 1 airport in Thera. From London there are direct flights to 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 11h 45m, 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.

An easier way to manage your Thera trip

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