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Cheap flights from London Heathrow Airport to Thera from C$ 222

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 20/4. 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

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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.
British Airways Logo
8:10 a.m. - 2:00 p.m.
LHR
-
JTR
3h 50mdirect
British Airways Logo
3:05 p.m. - 5:15 p.m.
JTR
-
LHR
4h 10mdirect
C$ 379British Airways
Mon, 13 Apr - Fri, 17 Apr
Aegean Airlines Logo
10:15 p.m. - 11:15 a.m.
LHR
-
JTR
11h 00m1 stop
Aegean Airlines Logo
8:10 a.m. - 3:30 p.m.
JTR
-
LHR
9h 20m1 stop
C$ 392Aegean Airlines
Sat, 28 Feb - Fri, 6 Mar
SWISS Logo
7:15 p.m. - 7:10 p.m.
LHR
-
JTR
45h 55m2 stops
SWISS Logo
8:55 p.m. - 7:55 a.m.
JTR
-
LHR
13h 00m1 stop
C$ 403SWISS
Wed, 6 May - Sun, 10 May
British Airways Logo
10:15 a.m. - 4:10 p.m.
LHR
-
JTR
3h 55mdirect
British Airways Logo
5:05 p.m. - 7:15 p.m.
JTR
-
LHR
4h 10mdirect
C$ 412British Airways
Sun, 29 Mar - Thu, 2 Apr
British Airways Logo
10:15 a.m. - 4:10 p.m.
LHR
-
JTR
3h 55mdirect
British Airways Logo
5:05 p.m. - 7:15 p.m.
JTR
-
LHR
4h 10mdirect
C$ 414British Airways
Sun, 19 Apr - Thu, 23 Apr
SWISS Logo
8:05 p.m. - 7:10 p.m.
LHR
-
JTR
21h 05m1 stop
SWISS Logo
10:40 a.m. - 9:30 p.m.
JTR
-
LHR
12h 50m2 stops
C$ 450SWISS
Thu, 14 May - Wed, 20 May
SWISS Logo
7:15 p.m. - 7:10 p.m.
LHR
-
JTR
45h 55m2 stops
SWISS Logo
8:55 p.m. - 1:40 p.m.
JTR
-
LHR
18h 45m2 stops
C$ 459SWISS
Wed, 6 May - Sun, 10 May
Aegean Airlines Logo
10:15 p.m. - 11:15 a.m.
LHR
-
JTR
11h 00m1 stop
Aegean Airlines Logo
8:10 a.m. - 3:30 p.m.
JTR
-
LHR
9h 20m1 stop
C$ 461Aegean Airlines
Mon, 9 Feb - Sun, 15 Feb
British Airways Logo
10:15 a.m. - 4:10 p.m.
LHR
-
JTR
3h 55mdirect
British Airways Logo
5:10 p.m. - 7:20 p.m.
JTR
-
LHR
4h 10mdirect
C$ 470British Airways
Sun, 29 Mar - Sun, 5 Apr
British Airways Logo
10:15 a.m. - 4:10 p.m.
LHR
-
JTR
3h 55mdirect
British Airways Logo
5:10 p.m. - 7:20 p.m.
JTR
-
LHR
4h 10mdirect
C$ 472British Airways
Sun, 10 May - Sun, 17 May

British Airways flights from London Heathrow Airport to Thera

Our best British Airways deals on London Heathrow Airport to Thera flight tickets
British Airways
13 Apr
LHR8:10 a.m.London Heathrow
3h 50m
JTR2:00 p.m.Thera Santorini
17 Apr
JTR3:05 p.m.Thera Santorini
4h 10m
LHR5:15 p.m.London Heathrow
C$ 379
Find similar
British Airways
29 Mar
LHR10:15 a.m.London Heathrow
3h 55m
JTR4:10 p.m.Thera Santorini
2 Apr
JTR5:05 p.m.Thera Santorini
4h 10m
LHR7:15 p.m.London Heathrow
C$ 412
Find similar
British Airways
19 Apr
LHR10:15 a.m.London Heathrow
3h 55m
JTR4:10 p.m.Thera Santorini
23 Apr
JTR5:05 p.m.Thera Santorini
4h 10m
LHR7:15 p.m.London Heathrow
C$ 414
Find similar

Aegean Airlines flights from London Heathrow Airport to Thera

Our best Aegean Airlines deals on London Heathrow Airport to Thera flight tickets
Aegean Airlines
28 Feb
LHR10:15 p.m.London Heathrow
11h 00m
1 stop
JTR11:15 a.m.Thera Santorini
6 Mar
JTR8:10 a.m.Thera Santorini
9h 20m
1 stop
LHR3:30 p.m.London Heathrow
C$ 392
Find similar
Aegean Airlines
9 Feb
LHR10:15 p.m.London Heathrow
11h 00m
1 stop
JTR11:15 a.m.Thera Santorini
15 Feb
JTR8:10 a.m.Thera Santorini
9h 20m
1 stop
LHR3:30 p.m.London Heathrow
C$ 461
Find similar
Aegean Airlines
10 May
LHR4:35 p.m.London Heathrow
5h 40m
1 stop
JTR12:15 a.m.Thera Santorini
17 May
JTR7:15 a.m.Thera Santorini
6h 00m
1 stop
LHR11:15 a.m.London Heathrow
C$ 507
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 96,600 searches. Data last updated 15 December 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

Mon 13/4

8:10 a.m.-2:00 p.m.

Nonstop3h 50m

Thera Santorini

Fri 17/4

3:05 p.m.-5:15 p.m.

Nonstop4h 10m

C$ 379

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 28/2

10:15 p.m.-11:15 a.m.

1 stop11h 00m

Thera Santorini

Fri 6/3

8:10 a.m.-3:30 p.m.

1 stop9h 20m

C$ 392

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 6/5

7:15 p.m.-7:10 p.m.

2 stops45h 55m

Thera Santorini

Sun 10/5

8:55 p.m.-7:55 a.m.

1 stop13h 00m

C$ 403

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 29/3

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Thu 2/4

5:05 p.m.-7:15 p.m.

Nonstop4h 10m

C$ 412

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 19/4

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Thu 23/4

5:05 p.m.-7:15 p.m.

Nonstop4h 10m

C$ 414

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 14/5

8:05 p.m.-7:10 p.m.

1 stop21h 05m

Thera Santorini

Wed 20/5

10:40 a.m.-9:30 p.m.

2 stops12h 50m

C$ 450

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 6/5

7:15 p.m.-7:10 p.m.

2 stops45h 55m

Thera Santorini

Sun 10/5

8:55 p.m.-1:40 p.m.

2 stops18h 45m

C$ 459

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 9/2

10:15 p.m.-11:15 a.m.

1 stop11h 00m

Thera Santorini

Sun 15/2

8:10 a.m.-3:30 p.m.

1 stop9h 20m

C$ 461

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 29/3

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Sun 5/4

5:10 p.m.-7:20 p.m.

Nonstop4h 10m

C$ 470

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/5

10:15 a.m.-4:10 p.m.

Nonstop3h 55m

Thera Santorini

Sun 17/5

5:10 p.m.-7:20 p.m.

Nonstop4h 10m

C$ 472

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 month of January is, on average, the cheapest month to fly to Thera from London Heathrow Airport, with most prices found around C$ 273. 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 C$ 365.

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

The cheapest day to depart on your flight to Thera is on a Tuesday when prices can be found for as low as C$ 233. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 530.

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

The cheapest time of day to fly to Thera is in the afternoon when flights can be purchased for as low as C$ 233. Flights to Thera are more costly in the morning, with an average ticket price of C$ 528. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 C$ 515 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 C$ 420 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

Mon, Tue, Fri, Sat and Sun

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 on Monday, Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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 straight-line distance from London Heathrow to Thera Santorini is 2638.1 km. Flights usually cover this in 3h 50m, depending on flying conditions and air traffic around both airports.

  • 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 old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport to Thera?

Travelling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
Imerovigli
Ios
Firostefani
Perissa
Karterados

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 recognizable 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?

Yes. All flights to Thera from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes. momondo can track prices for London to Thera flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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