Cheap flights from London Heathrow Airport to Thera from $140

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 11/4. 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
0 bags

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Find the cheapest flights from London Heathrow Airport to Thera

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:15 pm - 4:50 pmLHR-JTR
18h 35m1 stop
Multiple Airlines Logo
8:15 am - 9:00 pmJTR-LHR
14h 45m2 stops
$285Multiple Airlines
Find Deal
Sat, Nov 1 - Fri, Nov 21
Aegean Airlines Logo
10:15 pm - 7:35 amLHR-JTR
7h 20m1 stop
Aegean Airlines Logo
2:45 pm - 9:15 pmJTR-LHR
8h 30m1 stop
$297Aegean Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 25
Aegean Airlines Logo
10:15 pm - 7:35 amLHR-JTR
7h 20m1 stop
Aegean Airlines Logo
2:45 pm - 9:15 pmJTR-LHR
8h 30m1 stop
$305Aegean Airlines
Find Deal
Wed, Nov 12 - Fri, Nov 21
Aegean Airlines Logo
10:15 pm - 10:55 amLHR-JTR
10h 40m1 stop
Aegean Airlines Logo
2:45 pm - 9:15 pmJTR-LHR
8h 30m1 stop
$308Aegean Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
Aegean Airlines Logo
10:15 pm - 11:55 amLHR-JTR
11h 40m1 stop
Aegean Airlines Logo
12:25 pm - 5:55 pmJTR-LHR
7h 30m1 stop
$309Aegean Airlines
Find Deal
Tue, Nov 25 - Fri, Nov 28
Multiple Airlines Logo
8:45 am - 2:35 pmLHR-JTR
3h 50mnonstop
Multiple Airlines Logo
2:45 pm - 9:15 pmJTR-LHR
8h 30m1 stop
$310Multiple Airlines
Find Deal
Sat, Nov 1 - Fri, Nov 21
Multiple Airlines Logo
10:15 pm - 8:35 amLHR-JTR
8h 20m1 stop
Multiple Airlines Logo
9:00 am - 9:15 pmJTR-LHR
14h 15m1 stop
$313Multiple Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 25
Aegean Airlines Logo
10:15 pm - 7:35 amLHR-JTR
7h 20m1 stop
Aegean Airlines Logo
12:25 pm - 9:15 pmJTR-LHR
10h 50m1 stop
$316Aegean Airlines
Find Deal
Thu, Nov 13 - Sat, Nov 22
Etihad Airways Logo
7:20 pm - 4:35 pmLHR-JTR
19h 15m2 stops
Etihad Airways Logo
9:35 pm - 12:05 pmJTR-LHR
40h 30m2 stops
$8,609Etihad Airways
Find Deal
Sat, Nov 1 - Sat, Nov 8
Etihad Airways Logo
8:50 am - 8:35 amLHR-JTR
21h 45m2 stops
Etihad Airways Logo
1:15 pm - 12:05 pmJTR-LHR
48h 50m2 stops
$8,614Etihad Airways
Find Deal
Mon, Nov 10 - Sat, Nov 22

Aegean Airlines flights from London Heathrow Airport to Thera

Our best Aegean Airlines deals on London Heathrow Airport to Thera flight tickets
Aegean Airlines
Nov 12
LHR10:15 pmLondon Heathrow
7h 20m
1 stop
JTR7:35 amThera Santorini
Nov 25
JTR2:45 pmThera Santorini
8h 30m
1 stop
LHR9:15 pmLondon Heathrow
Aegean Airlines
Nov 12
LHR10:15 pmLondon Heathrow
7h 20m
1 stop
JTR7:35 amThera Santorini
Nov 21
JTR2:45 pmThera Santorini
8h 30m
1 stop
LHR9:15 pmLondon Heathrow
Aegean Airlines
Nov 28
LHR10:15 pmLondon Heathrow
10h 40m
1 stop
JTR10:55 amThera Santorini
Dec 5
JTR2:45 pmThera Santorini
8h 30m
1 stop
LHR9:15 pmLondon Heathrow

British Airways flights from London Heathrow Airport to Thera

Our best British Airways deals on London Heathrow Airport to Thera flight tickets
British Airways
Oct 17
LHR8:15 amLondon Heathrow
3h 50m
JTR2:05 pmThera Santorini
Oct 20
JTR5:25 pmThera Santorini
4h 10m
LHR7:35 pmLondon Heathrow
British Airways
Oct 17
LHR8:15 amLondon Heathrow
3h 50m
JTR2:05 pmThera Santorini
Oct 19
JTR5:10 pmThera Santorini
4h 10m
LHR7:20 pmLondon Heathrow

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 October 16, 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

Sat 11/1

8:15 pm-4:50 pm

1 stop18h 35m

Thera Santorini

Fri 11/21

8:15 am-9:00 pm

2 stops14h 45m

$285

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 11/12

10:15 pm-7:35 am

1 stop7h 20m

Thera Santorini

Tue 11/25

2:45 pm-9:15 pm

1 stop8h 30m

$297

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 11/12

10:15 pm-7:35 am

1 stop7h 20m

Thera Santorini

Fri 11/21

2:45 pm-9:15 pm

1 stop8h 30m

$305

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 11/28

10:15 pm-10:55 am

1 stop10h 40m

Thera Santorini

Fri 12/5

2:45 pm-9:15 pm

1 stop8h 30m

$308

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 11/25

10:15 pm-11:55 am

1 stop11h 40m

Thera Santorini

Fri 11/28

12:25 pm-5:55 pm

1 stop7h 30m

$309

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 11/1

8:45 am-2:35 pm

Nonstop3h 50m

Thera Santorini

Fri 11/21

2:45 pm-9:15 pm

1 stop8h 30m

$310

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 11/15

10:15 pm-8:35 am

1 stop8h 20m

Thera Santorini

Tue 11/25

9:00 am-9:15 pm

1 stop14h 15m

$313

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 11/13

10:15 pm-7:35 am

1 stop7h 20m

Thera Santorini

Sat 11/22

12:25 pm-9:15 pm

1 stop10h 50m

$316

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 11/1

7:20 pm-4:35 pm

2 stops19h 15m

Thera Santorini

Sat 11/8

9:35 pm-12:05 pm

2 stops40h 30m

$8,609

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 11/10

8:50 am-8:35 am

2 stops21h 45m

Thera Santorini

Sat 11/22

1:15 pm-12:05 pm

2 stops48h 50m

$8,614

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 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 $287.

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 Sunday. momondo users have found tickets for Sunday departures for as low as $260. 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 $368. 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 $301.

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 $378 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 18% 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

Direct flights

None
There are no direct flights from London Heathrow Airport to Thera. There are no popular flight routes from London Heathrow Airport to Thera.
  • 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 3h 50m.

  • 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
7,456 reviews
Search British Airways flights
Aegean AirlinesPriceFrom $285Free CancellationRating
8.1
811 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 7,457 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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1 adult
Sat 11/15
Sat 11/22

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