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Cheap flights from London Heathrow Airport to Thera from $137

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 9/24. 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
6:00 am - 8:50 pmLHR-JTR
12h 50m1 stop
Logo
8:05 pm - 8:15 amJTR-LHR
14h 10m1 stop
$199
Find Deal
Sat, Oct 11 - Tue, Oct 14
Logo
10:25 am - 8:50 pmLHR-JTR
8h 25m1 stop
Logo
8:45 pm - 7:55 amJTR-LHR
13h 10m1 stop
$223
Find Deal
Sat, Sep 27 - Mon, Oct 6
SWISS Logo
8:55 am - 6:10 pmLHR-JTR
31h 15m2 stops
SWISS Logo
8:45 pm - 7:55 amJTR-LHR
13h 10m1 stop
$245SWISS
Find Deal
Thu, Oct 16 - Mon, Oct 20
Austrian Airlines Logo
10:25 am - 8:50 pmLHR-JTR
8h 25m1 stop
Austrian Airlines Logo
9:40 pm - 8:20 amJTR-LHR
12h 40m1 stop
$276Austrian Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
SWISS Logo
8:55 am - 6:10 pmLHR-JTR
31h 15m2 stops
SWISS Logo
8:45 pm - 6:30 pmJTR-LHR
23h 45m2 stops
$286SWISS
Find Deal
Thu, Oct 16 - Mon, Oct 20
Austrian Airlines Logo
6:00 am - 8:50 pmLHR-JTR
12h 50m1 stop
Austrian Airlines Logo
9:40 pm - 8:20 amJTR-LHR
12h 40m1 stop
$329Austrian Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
Aegean Airlines Logo
4:35 pm - 12:15 amLHR-JTR
5h 40m1 stop
Aegean Airlines Logo
10:00 pm - 11:15 amJTR-LHR
15h 15m1 stop
$331Aegean Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
Aegean Airlines Logo
7:00 pm - 7:50 amLHR-JTR
10h 50m1 stop
Aegean Airlines Logo
2:45 pm - 9:15 pmJTR-LHR
8h 30m1 stop
$339Aegean Airlines
Find Deal
Mon, Feb 9 - Sun, Feb 15
British Airways Logo
9:05 am - 2:55 pmLHR-JTR
3h 50mnonstop
British Airways Logo
3:05 pm - 5:15 pmJTR-LHR
4h 10mnonstop
$365British Airways
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Sat, Oct 18 - Fri, Oct 24
British Airways Logo
10:15 am - 4:10 pmLHR-JTR
3h 55mnonstop
British Airways Logo
2:45 pm - 4:55 pmJTR-LHR
4h 10mnonstop
$382British Airways
Find Deal
Sun, Oct 12 - Tue, Oct 21

SWISS flights from London Heathrow Airport to Thera

Our best SWISS deals on London Heathrow Airport to Thera flight tickets
SWISS
Oct 16
LHR8:55 amLondon Heathrow
31h 15m
2 stops
JTR6:10 pmThera Santorini
Oct 20
JTR8:45 pmThera Santorini
13h 10m
1 stop
LHR7:55 amLondon Heathrow
$245
Find similar
SWISS
Oct 16
LHR8:55 amLondon Heathrow
31h 15m
2 stops
JTR6:10 pmThera Santorini
Oct 20
JTR8:45 pmThera Santorini
23h 45m
2 stops
LHR6:30 pmLondon Heathrow
$286
Find similar
SWISS
Oct 6
LHR7:15 pmLondon Heathrow
36h 35m
2 stops
JTR9:50 amThera Santorini
Oct 13
JTR8:45 pmThera Santorini
13h 10m
1 stop
LHR7:55 amLondon Heathrow
$296
Find similar

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 18
LHR9:05 amLondon Heathrow
3h 50m
JTR2:55 pmThera Santorini
Oct 24
JTR3:05 pmThera Santorini
4h 10m
LHR5:15 pmLondon Heathrow
$365
Find similar
British Airways
Oct 12
LHR10:15 amLondon Heathrow
3h 55m
JTR4:10 pmThera Santorini
Oct 21
JTR2:45 pmThera Santorini
4h 10m
LHR4:55 pmLondon Heathrow
$382
Find similar
British Airways
Oct 11
LHR10:15 amLondon Heathrow
3h 55m
JTR4:10 pmThera Santorini
Oct 18
JTR5:00 pmThera Santorini
4h 10m
LHR7:10 pmLondon Heathrow
$435
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 September 15, 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 10/11

6:00 am-8:50 pm

1 stop12h 50m

Thera Santorini

Tue 10/14

8:05 pm-8:15 am

1 stop14h 10m

$199

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 9/27

10:25 am-8:50 pm

1 stop8h 25m

Thera Santorini

Mon 10/6

8:45 pm-7:55 am

1 stop13h 10m

$223

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 10/16

8:55 am-6:10 pm

2 stops31h 15m

Thera Santorini

Mon 10/20

8:45 pm-7:55 am

1 stop13h 10m

$245

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/30

10:25 am-8:50 pm

1 stop8h 25m

Thera Santorini

Tue 10/7

9:40 pm-8:20 am

1 stop12h 40m

$276

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 10/16

8:55 am-6:10 pm

2 stops31h 15m

Thera Santorini

Mon 10/20

8:45 pm-6:30 pm

2 stops23h 45m

$286

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 9/27

6:00 am-8:50 pm

1 stop12h 50m

Thera Santorini

Sat 10/4

9:40 pm-8:20 am

1 stop12h 40m

$329

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 10/9

4:35 pm-12:15 am

1 stop5h 40m

Thera Santorini

Mon 10/13

10:00 pm-11:15 am

1 stop15h 15m

$331

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 2/9

7:00 pm-7:50 am

1 stop10h 50m

Thera Santorini

Sun 2/15

2:45 pm-9:15 pm

1 stop8h 30m

$339

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 10/18

9:05 am-2:55 pm

Nonstop3h 50m

Thera Santorini

Fri 10/24

3:05 pm-5:15 pm

Nonstop4h 10m

$365

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/12

10:15 am-4:10 pm

Nonstop3h 55m

Thera Santorini

Tue 10/21

2:45 pm-4:55 pm

Nonstop4h 10m

$382

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 $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 Monday. momondo users have found tickets for Monday 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 Friday because tickets tend to average around $412. 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 $298.

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.

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

Fastest flight time

3h 50m

Direct flights

Every day

Airports in Thera

1 airport
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 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
6.6
7,361 reviews
Search British Airways flights
Aegean AirlinesPriceFrom $285Free CancellationRating
8.1
787 reviews
Search Aegean Airlines flights

  • British Airways Flights From London Heathrow Airport to Thera

    British Airways operates around 7 flights from London Heathrow Airport to Thera every week. The average price of these flights found in the last 72 hours has been $471, 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 6.6/10 in 7,361 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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