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Cheap flights from London to Thera from $255

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 20/10. 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

Aegean Airlines Logo
19:00 - 07:45LHR-JTR
10h 45m1 stop
Aegean Airlines Logo
11:35 - 15:30JTR-LHR
5h 55m1 stop
$454Aegean Airlines
Find Deal
Sun, 2 Nov - Sun, 9 Nov
Aegean Airlines Logo
16:35 - 00:15LHR-JTR
5h 40m1 stop
Aegean Airlines Logo
15:05 - 21:10JTR-LHR
8h 05m1 stop
$483Aegean Airlines
Find Deal
Sat, 11 Oct - Sat, 18 Oct
Multiple Airlines Logo
08:45 - 16:50LHR-JTR
6h 05m1 stop
Multiple Airlines Logo
06:05 - 12:50JTR-LHR
8h 45m2 stops
$496Multiple Airlines
Find Deal
Sun, 2 Nov - Sun, 9 Nov
SWISS Logo
19:15 - 09:50LHR-JTR
36h 35m2 stops
SWISS Logo
20:45 - 07:55JTR-LHR
13h 10m1 stop
$501SWISS
Find Deal
Mon, 6 Oct - Mon, 13 Oct
Multiple Airlines Logo
06:00 - 20:10LHR-JTR
12h 10m1 stop
Multiple Airlines Logo
20:05 - 08:15JTR-LHR
14h 10m1 stop
$513Multiple Airlines
Find Deal
Sun, 12 Oct - Tue, 14 Oct
SWISS Logo
08:40 - 18:10LHR-JTR
7h 30m1 stop
SWISS Logo
20:55 - 07:55JTR-LHR
13h 00m1 stop
$523SWISS
Find Deal
Fri, 17 Oct - Sun, 19 Oct
British Airways Logo
10:15 - 16:10LHR-JTR
3h 55mdirect
British Airways Logo
17:05 - 19:15JTR-LHR
4h 10mdirect
$666British Airways
Find Deal
Sun, 12 Oct - Thu, 16 Oct
British Airways Logo
10:15 - 16:10LHR-JTR
3h 55mdirect
British Airways Logo
15:50 - 18:00JTR-LHR
4h 10mdirect
$678British Airways
Find Deal
Sat, 11 Oct - Sat, 18 Oct
Lufthansa Logo
19:30 - 18:30LHR-JTR
21h 00m2 stops
Lufthansa Logo
19:20 - 16:50JTR-LHR
23h 30m2 stops
$850Lufthansa
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Thu, 23 Oct - Fri, 31 Oct
Lufthansa Logo
20:25 - 16:50LHR-JTR
18h 25m2 stops
Lufthansa Logo
17:40 - 07:40JTR-LHR
16h 00m2 stops
$1,484Lufthansa
Find Deal
Wed, 1 Oct - Sun, 5 Oct

British Airways flights from London to Thera

Our best British Airways deals on London to Thera flight tickets
British Airways
12 Oct
LHR10:15London Heathrow
3h 55m
JTR16:10Thera Santorini
16 Oct
JTR17:05Thera Santorini
4h 10m
LHR19:15London Heathrow
$666
Find similar
British Airways
11 Oct
LHR10:15London Heathrow
3h 55m
JTR16:10Thera Santorini
18 Oct
JTR15:50Thera Santorini
4h 10m
LHR18:00London Heathrow
$678
Find similar
British Airways
11 Oct
LHR10:15London Heathrow
3h 55m
JTR16:10Thera Santorini
18 Oct
JTR17:00Thera Santorini
4h 10m
LHR19:10London Heathrow
$688
Find similar

Aegean Airlines flights from London to Thera

Our best Aegean Airlines deals on London to Thera flight tickets
Aegean Airlines
2 Nov
LHR19:00London Heathrow
10h 45m
1 stop
JTR07:45Thera Santorini
9 Nov
JTR11:35Thera Santorini
5h 55m
1 stop
LHR15:30London Heathrow
$454
Find similar
Aegean Airlines
11 Oct
LHR16:35London Heathrow
5h 40m
1 stop
JTR00:15Thera Santorini
18 Oct
JTR15:05Thera Santorini
8h 05m
1 stop
LHR21:10London Heathrow
$483
Find similar
Aegean Airlines
9 Feb
LHR19:00London Heathrow
10h 50m
1 stop
JTR07:50Thera Santorini
15 Feb
JTR11:55Thera Santorini
8h 00m
1 stop
LHR17:55London Heathrow
$510
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 17 September 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

Sun 2/11

19:00-07:45

1 stop10h 45m

Thera Santorini

Sun 9/11

11:35-15:30

1 stop5h 55m

$454

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 11/10

16:35-00:15

1 stop5h 40m

Thera Santorini

Sat 18/10

15:05-21:10

1 stop8h 05m

$483

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 2/11

08:45-16:50

1 stop6h 05m

Thera Santorini

Sun 9/11

06:05-12:50

2 stops8h 45m

$496

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 6/10

19:15-09:50

2 stops36h 35m

Thera Santorini

Mon 13/10

20:45-07:55

1 stop13h 10m

$501

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 12/10

06:00-20:10

1 stop12h 10m

Thera Santorini

Tue 14/10

20:05-08:15

1 stop14h 10m

$513

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 17/10

08:40-18:10

1 stop7h 30m

Thera Santorini

Sun 19/10

20:55-07:55

1 stop13h 00m

$523

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 12/10

10:15-16:10

Nonstop3h 55m

Thera Santorini

Thu 16/10

17:05-19:15

Nonstop4h 10m

$666

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 11/10

10:15-16:10

Nonstop3h 55m

Thera Santorini

Sat 18/10

15:50-18:00

Nonstop4h 10m

$678

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 23/10

19:30-18:30

2 stops21h 00m

Thera Santorini

Fri 31/10

19:20-16:50

2 stops23h 30m

$850

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 1/10

20:25-16:50

2 stops18h 25m

Thera Santorini

Sun 5/10

17:40-07:40

2 stops16h 00m

$1,484

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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 $303.

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 $362. The most expensive day to fly to Thera is Sunday, with ticket prices averaging around $545.

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 $172. 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 $535 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 $567 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 $435 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 September 2025, prices for London to Thera flights are approximately 27% more expensive 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)
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  • 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 50m, 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
Imerovigli
Firostefani
Ios
Oia

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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