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Cheap flights from London Heathrow Airport to Thera from $153

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 4/29. 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
6:00 am - 8:10 pm
LHR
-
JTR
12h 10m
1 stop
Multiple Airlines Logo
7:25 pm - 8:15 am
JTR
-
LHR
14h 50m
1 stop
$239Multiple Airlines
Sun, Jun 7 - Fri, Jun 12
British Airways Logo
8:15 am - 2:05 pm
LHR
-
JTR
3h 50mnonstop
British Airways Logo
5:05 pm - 7:15 pm
JTR
-
LHR
4h 10mnonstop
$246British Airways
Fri, May 8 - Thu, May 14
SWISS Logo
6:40 pm - 9:50 am
LHR
-
JTR
13h 10m
1 stop
SWISS Logo
10:40 am - 5:50 pm
JTR
-
LHR
9h 10m
1 stop
$247SWISS
Tue, Jun 30 - Wed, Jul 8
SWISS Logo
6:40 pm - 9:50 am
LHR
-
JTR
13h 10m
1 stop
SWISS Logo
10:40 am - 5:50 pm
JTR
-
LHR
9h 10m
1 stop
$248SWISS
Tue, Jun 30 - Wed, Jul 8
Multiple Airlines Logo
8:05 pm - 9:50 am
LHR
-
JTR
11h 45m
1 stop
Multiple Airlines Logo
7:35 pm - 8:15 am
JTR
-
LHR
14h 40m
1 stop
$254Multiple Airlines
Tue, Jun 9 - Sat, Jun 20
Multiple Airlines Logo
6:40 pm - 9:50 am
LHR
-
JTR
13h 10m
1 stop
Multiple Airlines Logo
5:45 pm - 10:10 pm
JTR
-
LHR
6h 25m
1 stop
$264Multiple Airlines
Tue, Jun 30 - Thu, Jul 9
SWISS Logo
8:05 pm - 7:10 pm
LHR
-
JTR
21h 05m
1 stop
SWISS Logo
10:40 am - 4:25 pm
JTR
-
LHR
7h 45m
1 stop
$271SWISS
Thu, May 7 - Wed, May 13
Multiple Airlines Logo
6:00 am - 7:10 pm
LHR
-
JTR
11h 10m
1 stop
Multiple Airlines Logo
7:25 pm - 8:15 am
JTR
-
LHR
14h 50m
1 stop
$274Multiple Airlines
Fri, Jun 5 - Fri, Jun 12
Multiple Airlines Logo
6:00 am - 8:10 pm
LHR
-
JTR
12h 10m
1 stop
Multiple Airlines Logo
7:25 pm - 2:40 pm
JTR
-
LHR
21h 15m
2 stops
$276Multiple Airlines
Sun, Jun 7 - Fri, Jun 12
Multiple Airlines Logo
8:05 pm - 9:50 am
LHR
-
JTR
11h 45m
1 stop
Multiple Airlines Logo
7:25 pm - 4:40 pm
JTR
-
LHR
23h 15m
2 stops
$282Multiple Airlines
Tue, Jun 2 - Fri, Jun 12

Aegean Airlines flights from London Heathrow Airport to Thera

Our best Aegean Airlines deals on London Heathrow Airport to Thera flight tickets
Aegean Airlines
Mar 4
LHR10:15 pmLondon Heathrow
11h 00m
1 stop
JTR11:15 amThera Santorini
Mar 11
JTR8:10 amThera Santorini
9h 20m
1 stop
LHR3:30 pmLondon Heathrow
$307
Aegean Airlines
Mar 5
LHR10:15 pmLondon Heathrow
7h 25m
1 stop
JTR7:40 amThera Santorini
Mar 9
JTR2:45 pmThera Santorini
8h 30m
1 stop
LHR9:15 pmLondon Heathrow
$308
Aegean Airlines
Feb 28
LHR10:15 pmLondon Heathrow
14h 00m
1 stop
JTR2:15 pmThera Santorini
Mar 6
JTR11:55 amThera Santorini
5h 35m
1 stop
LHR3:30 pmLondon Heathrow
$312

Lufthansa flights from London Heathrow Airport to Thera

Our best Lufthansa deals on London Heathrow Airport to Thera flight tickets
Lufthansa
Jul 1
LHR9:00 amLondon Heathrow
7h 20m
1 stop
JTR6:20 pmThera Santorini
Jul 8
JTR7:10 pmThera Santorini
23h 55m
1 stop
LHR5:05 pmLondon Heathrow
$324
Lufthansa
Jul 10
LHR6:55 amLondon Heathrow
9h 40m
1 stop
JTR6:35 pmThera Santorini
Jul 17
JTR7:25 pmThera Santorini
14h 50m
1 stop
LHR8:15 amLondon Heathrow
$343
Lufthansa
Jul 1
LHR7:25 amLondon Heathrow
8h 55m
1 stop
JTR6:20 pmThera Santorini
Jul 7
JTR5:40 pmThera Santorini
6h 30m
1 stop
LHR10:10 pmLondon Heathrow
$371

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 January 20, 2026.
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

Sun 6/7

6:00 am-8:10 pm

1 stop12h 10m

Thera Santorini

Fri 6/12

7:25 pm-8:15 am

1 stop14h 50m

$239

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 5/8

8:15 am-2:05 pm

Nonstop3h 50m

Thera Santorini

Thu 5/14

5:05 pm-7:15 pm

Nonstop4h 10m

$246

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 6/30

6:40 pm-9:50 am

1 stop13h 10m

Thera Santorini

Wed 7/8

10:40 am-5:50 pm

1 stop9h 10m

$247

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 6/30

6:40 pm-9:50 am

1 stop13h 10m

Thera Santorini

Wed 7/8

10:40 am-5:50 pm

1 stop9h 10m

$248

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 6/9

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Sat 6/20

7:35 pm-8:15 am

1 stop14h 40m

$254

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 6/30

6:40 pm-9:50 am

1 stop13h 10m

Thera Santorini

Thu 7/9

5:45 pm-10:10 pm

1 stop6h 25m

$264

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 5/7

8:05 pm-7:10 pm

1 stop21h 05m

Thera Santorini

Wed 5/13

10:40 am-4:25 pm

1 stop7h 45m

$271

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 6/5

6:00 am-7:10 pm

1 stop11h 10m

Thera Santorini

Fri 6/12

7:25 pm-8:15 am

1 stop14h 50m

$274

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 6/7

6:00 am-8:10 pm

1 stop12h 10m

Thera Santorini

Fri 6/12

7:25 pm-2:40 pm

2 stops21h 15m

$276

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 6/2

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Fri 6/12

7:25 pm-4:40 pm

2 stops23h 15m

$282

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 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 $262. 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 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 $307.

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 $372 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 $297 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 24% 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

Fastest flight time

7h 45m

Direct flights

Every day

Airports in Thera

1 airport
The fastest flight from London Heathrow Airport to Thera takes 7h 45m
Direct flights go from London Heathrow Airport to Thera every day.
There is 1 airport in Thera. From London Heathrow Airport there are direct flights to 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 7h 45m.

  • 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
7,690 reviews
Search British Airways flights
Aegean AirlinesPriceFrom $285Free CancellationRating
8.1
844 reviews
Search Aegean Airlines flights

Traveling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
Imerovigli
Kamari
Ios
Pyrgos Kallistis
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.

An easier way to manage your Thera trip

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