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Cheap flights from London to Thera from $54

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 9/23. 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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0 bags

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Find the cheapest flights from London to Thera (LON-JTR)

Cheap round-trip flights

easyJet Logo
5:30 pm - 11:25 pmLGW-JTR
3h 55mnonstop
easyJet Logo
12:05 am - 2:05 amJTR-LGW
4h 00mnonstop
$105easyJet
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mié., oct. 15 - mié., oct. 22
easyJet Logo
1:30 pm - 7:30 pmLGW-JTR
4h 00mnonstop
easyJet Logo
12:05 am - 2:05 amJTR-LGW
4h 00mnonstop
$106easyJet
Find Deal
mar., oct. 14 - mié., oct. 22
Logo
8:50 am - 10:35 amLGW-JTR
23h 45m1 stop
Logo
12:05 am - 2:05 amJTR-LGW
4h 00mnonstop
$127
Find Deal
lun., oct. 13 - mié., oct. 22
Logo
8:50 am - 10:35 amLGW-JTR
23h 45m1 stop
Logo
7:40 pm - 9:45 pmJTR-LGW
4h 05mnonstop
$131
Find Deal
lun., oct. 13 - jue., oct. 23
SWISS Logo
6:00 am - 8:10 pmLHR-JTR
12h 10m1 stop
SWISS Logo
8:45 pm - 7:55 amJTR-LHR
13h 10m1 stop
$221SWISS
Find Deal
dom., ago. 31 - lun., sep. 8
SWISS Logo
8:05 pm - 8:10 pmLHR-JTR
22h 05m1 stop
SWISS Logo
8:55 pm - 7:55 amJTR-LHR
13h 00m1 stop
$235SWISS
Find Deal
sáb., sep. 13 - dom., sep. 21
Aegean Airlines Logo
4:35 pm - 12:15 amLHR-JTR
5h 40m1 stop
Aegean Airlines Logo
4:35 pm - 9:10 pmJTR-LHR
6h 35m1 stop
$290Aegean Airlines
Find Deal
sáb., oct. 11 - jue., oct. 16
Aegean Airlines Logo
10:15 pm - 7:45 amLHR-JTR
7h 30m1 stop
Aegean Airlines Logo
4:35 pm - 9:10 pmJTR-LHR
6h 35m1 stop
$291Aegean Airlines
Find Deal
sáb., oct. 11 - jue., oct. 16
Ryanair Logo
6:35 am - 11:50 pmLTN-JTR
15h 15m1 stop
Ryanair Logo
9:45 am - 5:05 pmJTR-LTN
9h 20m1 stop
$319Ryanair
Find Deal
lun., sep. 8 - mié., sep. 10
Ryanair Logo
8:10 am - 11:30 pmLTN-JTR
13h 20m1 stop
Ryanair Logo
8:20 am - 4:15 pmJTR-LTN
9h 55m1 stop
$349Ryanair
Find Deal
vie., sep. 26 - vie., oct. 3

Austrian Airlines flights from London to Thera

Our best Austrian Airlines deals on London to Thera flight tickets
Austrian Airlines
Sep 2
LHR9:05 amLondon Heathrow
9h 45m
1 stop
JTR8:50 pmThera Santorini
Sep 9
JTR9:40 pmThera Santorini
13h 20m
1 stop
LHR9:00 amLondon Heathrow
$222
Find similar
Austrian Airlines
Sep 27
LHR6:00 amLondon Heathrow
12h 50m
1 stop
JTR8:50 pmThera Santorini
Oct 4
JTR9:40 pmThera Santorini
12h 40m
1 stop
LHR8:20 amLondon Heathrow
$308
Find similar
Austrian Airlines
Aug 16
LHR7:30 pmLondon Heathrow
11h 25m
1 stop
JTR8:55 amThera Santorini
Aug 19
JTR9:40 pmThera Santorini
13h 20m
1 stop
LHR9:00 amLondon Heathrow
$415
Find similar

Aegean Airlines flights from London to Thera

Our best Aegean Airlines deals on London to Thera flight tickets
Aegean Airlines
Oct 11
LHR4:35 pmLondon Heathrow
5h 40m
1 stop
JTR12:15 amThera Santorini
Oct 16
JTR4:35 pmThera Santorini
6h 35m
1 stop
LHR9:10 pmLondon Heathrow
$290
Find similar
Aegean Airlines
Oct 11
LHR10:15 pmLondon Heathrow
7h 30m
1 stop
JTR7:45 amThera Santorini
Oct 16
JTR4:35 pmThera Santorini
6h 35m
1 stop
LHR9:10 pmLondon Heathrow
$291
Find similar
Aegean Airlines
Aug 24
LHR4:35 pmLondon Heathrow
5h 40m
1 stop
JTR12:15 amThera Santorini
Sep 4
JTR12:30 pmThera Santorini
10h 40m
1 stop
LHR9:10 pmLondon Heathrow
$508
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated agosto 14, 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

LGW - JTR

LGWJTR

London Gatwick

mié. 10/15

5:30 pm-11:25 pm

Nonstop3h 55m

Thera Santorini

mié. 10/22

12:05 am-2:05 am

Nonstop4h 00m

$105

LondonThera

LGW - JTR

LGWJTR

London Gatwick

mar. 10/14

1:30 pm-7:30 pm

Nonstop4h 00m

Thera Santorini

mié. 10/22

12:05 am-2:05 am

Nonstop4h 00m

$106

LondonThera

LGW - JTR

LGWJTR

London Gatwick

lun. 10/13

8:50 am-10:35 am

1 stop23h 45m

Thera Santorini

mié. 10/22

12:05 am-2:05 am

Nonstop4h 00m

$127

LondonThera

LGW - JTR

LGWJTR

London Gatwick

lun. 10/13

8:50 am-10:35 am

1 stop23h 45m

Thera Santorini

jue. 10/23

7:40 pm-9:45 pm

Nonstop4h 05m

$131

LondonThera

LHR - JTR

LHRJTR

London Heathrow

dom. 8/31

6:00 am-8:10 pm

1 stop12h 10m

Thera Santorini

lun. 9/8

8:45 pm-7:55 am

1 stop13h 10m

$221

LondonThera

LHR - JTR

LHRJTR

London Heathrow

sáb. 9/13

8:05 pm-8:10 pm

1 stop22h 05m

Thera Santorini

dom. 9/21

8:55 pm-7:55 am

1 stop13h 00m

$235

LondonThera

LHR - JTR

LHRJTR

London Heathrow

sáb. 10/11

4:35 pm-12:15 am

1 stop5h 40m

Thera Santorini

jue. 10/16

4:35 pm-9:10 pm

1 stop6h 35m

$290

LondonThera

LHR - JTR

LHRJTR

London Heathrow

sáb. 10/11

10:15 pm-7:45 am

1 stop7h 30m

Thera Santorini

jue. 10/16

4:35 pm-9:10 pm

1 stop6h 35m

$291

LondonThera

LTN - JTR

LTNJTR

London Luton

lun. 9/8

6:35 am-11:50 pm

1 stop15h 15m

Thera Santorini

mié. 9/10

9:45 am-5:05 pm

1 stop9h 20m

$319

LondonThera

LTN - JTR

LTNJTR

London Luton

vie. 9/26

8:10 am-11:30 pm

1 stop13h 20m

Thera Santorini

vie. 10/3

8:20 am-4:15 pm

1 stop9h 55m

$349

Flights are sorted by cheapest round-trip 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?

The cheapest month to fly to Thera from London is in March. Flight prices, which tend to average around $170, are often lower during this time because this is during the off-season. If you don’t want to visit Thera in March, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of $173.

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

On average, the least expensive day to fly to Thera from London is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $227. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $396. These prices are subject to change though, so be sure to set up a Price Alert for flights to Thera.

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 at noon. momondo users have found flights departing from London to Thera at noon for as low as $227. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $296.

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 $374 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thera from London for as low as $290 on momondo.

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

There are 3 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 August 2025, prices for London to Thera flights are approximately 5% 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 round-trip 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

Best Price Found

$54

Fastest flight time

3h 45m

Direct flights

Every day

Airports in Thera

1 airport
The best one-way flight to Thera from London in the past 72 hours is $54. The best round-trip flight deal from London to Thera found on momondo in the last 72 hours is $105.
The fastest flight from London to Thera takes 3h 45m
Direct flights go from London to Thera every day.
There is 1 airport near Thera: Thera Santorini (JTR)
Search flight deals

  • How far is London to Thera Santorini by plane?

    Thera Santorini is 1627.8 mi away from London. Typically, this will take 3h 50m by plane in normal conditions.

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

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

  • How many operators does momondo search for flights from London to Thera Santorini Airport?

  • How old do you have to be to fly from London 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 layovers. It is recommended that you verify 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 necessary travel and health documents for your Thera Santorini Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from London to Thera?

Best airlines flying from London to Thera

Compare and see reviews for airlines that fly from London to Thera with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom $108Free CancellationRating
6.9
1,821 reviews
Search easyJet flights
British AirwaysPriceFrom $252Free CancellationRating
6.6
7,266 reviews
Search British Airways flights
Aegean AirlinesPriceFrom $285Free CancellationRating
8.1
782 reviews
Search Aegean Airlines flights

  • easyJet Flights From London to Thera

    easyJet flight deals from London to Thera start from $108 round-trip. Over the 4 easyJet flights for this route in a normal week, average airfare is usually $223 round-trip - but some users have found much cheaper deals with momondo.

  • British Airways Flights From London to Thera

    Another popular option for London to Thera flights is British Airways (6.6/10, 7,266 ratings). British Airways flies from London to Thera around 3 times per week, with deals starting from $252 round-trip and rising to an average price of around $472.

Traveling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
Imerovigli
Kamari
Pyrgos Kallistis
Ios
Firostefani
Karterados
Perissa
Megalochori
Mylopotas

Why use momondo?

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

Finding the right flight to Thera from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Thera quick and easy, saving you time and money.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Thera from London.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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