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Cheap flights from London Heathrow Airport to Thera from $119

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 9/8. 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 Heathrow Airport to Thera

Cheap round-trip flights

Logo
8:05 pm - 9:50 amLHR-JTR
11h 45m1 stop
Logo
9:40 pm - 8:20 amJTR-LHR
12h 40m1 stop
$204
Find Deal
Tue, Sep 16 - Tue, Sep 23
Logo
8:05 pm - 9:50 amLHR-JTR
11h 45m1 stop
Logo
9:40 pm - 9:00 amJTR-LHR
13h 20m1 stop
$222
Find Deal
Tue, Sep 23 - Tue, Sep 30
SWISS Logo
8:05 pm - 9:50 amLHR-JTR
11h 45m1 stop
SWISS Logo
8:45 pm - 7:55 amJTR-LHR
13h 10m1 stop
$223SWISS
Find Deal
Tue, Sep 16 - Mon, Sep 22
SWISS Logo
6:00 am - 8:10 pmLHR-JTR
12h 10m1 stop
SWISS Logo
8:45 pm - 7:55 amJTR-LHR
13h 10m1 stop
$243SWISS
Find Deal
Sun, Sep 14 - Mon, Sep 22
SWISS Logo
8:05 pm - 9:50 amLHR-JTR
11h 45m1 stop
SWISS Logo
8:55 pm - 7:55 amJTR-LHR
13h 00m1 stop
$247SWISS
Find Deal
Tue, Sep 16 - Sun, Sep 21
SWISS Logo
7:00 am - 9:50 amLHR-JTR
24h 50m2 stops
SWISS Logo
8:45 pm - 7:55 amJTR-LHR
13h 10m1 stop
$261SWISS
Find Deal
Tue, Sep 23 - Mon, Oct 13
SWISS Logo
7:00 am - 9:50 amLHR-JTR
24h 50m2 stops
SWISS Logo
8:45 pm - 7:55 amJTR-LHR
13h 10m1 stop
$263SWISS
Find Deal
Tue, Sep 16 - Mon, Sep 22
Aegean Airlines Logo
7:00 pm - 12:15 amLHR-JTR
27h 15m1 stop
Aegean Airlines Logo
10:00 pm - 9:10 pmJTR-LHR
25h 10m1 stop
$270Aegean Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 16
Aegean Airlines Logo
7:00 pm - 7:45 amLHR-JTR
10h 45m1 stop
Aegean Airlines Logo
11:35 am - 5:55 pmJTR-LHR
8h 20m1 stop
$291Aegean Airlines
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Tue, Nov 11 - Fri, Nov 14
Lufthansa Logo
7:30 pm - 6:30 pmLHR-JTR
21h 00m2 stops
Lufthansa Logo
8:05 pm - 9:40 amJTR-LHR
15h 35m2 stops
$305Lufthansa
Find Deal
Thu, Oct 16 - Tue, Oct 21

Aegean Airlines flights from London Heathrow Airport to Thera

Our best Aegean Airlines deals on London Heathrow Airport to Thera flight tickets
Aegean Airlines
Oct 9
LHR7:00 pmLondon Heathrow
27h 15m
1 stop
JTR12:15 amThera Santorini
Oct 16
JTR10:00 pmThera Santorini
25h 10m
1 stop
LHR9:10 pmLondon Heathrow
$270
Find similar
Aegean Airlines
Nov 11
LHR7:00 pmLondon Heathrow
10h 45m
1 stop
JTR7:45 amThera Santorini
Nov 14
JTR11:35 amThera Santorini
8h 20m
1 stop
LHR5:55 pmLondon Heathrow
$291
Find similar
Aegean Airlines
Oct 10
LHR12:15 pmLondon Heathrow
7h 05m
1 stop
JTR9:20 pmThera Santorini
Oct 17
JTR10:00 pmThera Santorini
15h 15m
1 stop
LHR11:15 amLondon Heathrow
$311
Find similar

SWISS flights from London Heathrow Airport to Thera

Our best SWISS deals on London Heathrow Airport to Thera flight tickets
SWISS
Sep 16
LHR8:05 pmLondon Heathrow
11h 45m
1 stop
JTR9:50 amThera Santorini
Sep 22
JTR8:45 pmThera Santorini
13h 10m
1 stop
LHR7:55 amLondon Heathrow
$223
Find similar
SWISS
Sep 14
LHR6:00 amLondon Heathrow
12h 10m
1 stop
JTR8:10 pmThera Santorini
Sep 22
JTR8:45 pmThera Santorini
13h 10m
1 stop
LHR7:55 amLondon Heathrow
$243
Find similar
SWISS
Sep 16
LHR8:05 pmLondon Heathrow
11h 45m
1 stop
JTR9:50 amThera Santorini
Sep 21
JTR8:55 pmThera Santorini
13h 00m
1 stop
LHR7:55 amLondon Heathrow
$247
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport 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 August 26, 2025.
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

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/16

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Tue 9/23

9:40 pm-8:20 am

1 stop12h 40m

$204

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/23

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Tue 9/30

9:40 pm-9:00 am

1 stop13h 20m

$222

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/16

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Mon 9/22

8:45 pm-7:55 am

1 stop13h 10m

$223

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 9/14

6:00 am-8:10 pm

1 stop12h 10m

Thera Santorini

Mon 9/22

8:45 pm-7:55 am

1 stop13h 10m

$243

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/16

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Sun 9/21

8:55 pm-7:55 am

1 stop13h 00m

$247

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/23

7:00 am-9:50 am

2 stops24h 50m

Thera Santorini

Mon 10/13

8:45 pm-7:55 am

1 stop13h 10m

$261

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/16

7:00 am-9:50 am

2 stops24h 50m

Thera Santorini

Mon 9/22

8:45 pm-7:55 am

1 stop13h 10m

$263

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 10/9

7:00 pm-12:15 am

1 stop27h 15m

Thera Santorini

Thu 10/16

10:00 pm-9:10 pm

1 stop25h 10m

$270

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 11/11

7:00 pm-7:45 am

1 stop10h 45m

Thera Santorini

Fri 11/14

11:35 am-5:55 pm

1 stop8h 20m

$291

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 10/16

7:30 pm-6:30 pm

2 stops21h 00m

Thera Santorini

Tue 10/21

8:05 pm-9:40 am

2 stops15h 35m

$305

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 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

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?

The cheapest month to fly to Thera from London Heathrow Airport is in January. Flight prices, which tend to average around $198, are often lower during this time because this is during the off-season. If you don’t want to visit Thera in January, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $301.

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

On average, the least expensive day to fly to Thera from London Heathrow Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $256. 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 Friday because tickets tend to average around $386. 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 Heathrow Airport to Thera at noon for as low as $248. 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 morning are often more expensive with an average ticket price of $299.

What is the cheapest London Heathrow to Thera Santorini flight route?

Fly from London Heathrow to Thera Santorini for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Thera for around $375 when searching weeks out. 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 $290 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Thera flights?

You could potentially save up to 35% on your flight if you consider stops on a London Heathrow Airport to Thera flight.

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 round-trip 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

$244

Fastest flight time

3h 50m

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 $244. The best round-trip flight deal from London Heathrow Airport to Thera found on momondo in the last 72 hours is $515.
The fastest flight from London Heathrow Airport to Thera takes 3h 50m
Direct flights go from London Heathrow Airport to Thera every day.
There is 1 airport near Thera: Thera Santorini (JTR)
Search flight deals

  • How far is London Heathrow to Thera Santorini by plane?

    The distance between London Heathrow and Thera Santorini is about 1639.2 mi. In terms of flight time, this usually takes a little over 5h 40m.

  • 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 were last updated today.

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

  • How old do you have to be to fly from London Heathrow Airport 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 layovers 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 Heathrow Airport to Thera Santorini Airport.

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

    The travel and health documents required for your trip to Thera Santorini Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Thera Santorini Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from London Heathrow Airport to Thera

Compare and see reviews for airlines that fly from London Heathrow Airport to Thera with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $252Free CancellationRating
6.7
7,309 reviews
Search British Airways flights
Aegean AirlinesPriceFrom $285Free CancellationRating
8.1
788 reviews
Search Aegean Airlines flights

  • British Airways Flights From London Heathrow Airport to Thera

    British Airways operates around 1 flight from London Heathrow Airport to Thera every week. The average price of these flights found in the last 72 hours has been $472, but momondo users have found British Airways deals from London Heathrow Airport to Thera from as low as $252 round-trip. British Airways has been scored 6.7/10 in 7,309 reviews.

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
Perissa
Megalochori
Karterados
Mylopotas

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. momondo allows you to filter the results for London to Thera flights to just show those with flexible booking policies.

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?

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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