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Santorini

$131+ Cheap flights from Heathrow (LHR) to Thera (JTR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JTR
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Thera Santorini are usually found in January or February, booked 66 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from Heathrow to Santorini

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Santorini (JTR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$198
(Lufthansa)

One-way from

$131
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$487

Good round-trip deal

$465 or less

Good one-way deal

$204 or less
From London Heathrow to Thera Santorini
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One-way flight from London Heathrow to Thera Santorini
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High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from London Heathrow to Thera Santorini.
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Price to beat on a one-way flight from London Heathrow to Thera Santorini.
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Find flight deals from Heathrow to Santorini

Cheapest flights from Heathrow to Santorini
Explore the most affordable flight options available from Heathrow to Santorini. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Lufthansa deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:05 pmLHR - JTR
1 stop11h 45mMultiple Airlines
Tue 10/78:05 pmJTR - LHR
1 stop14h 10mMultiple Airlines
Deal found 8/18$198
This Lufthansa deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:25 amLHR - JTR
1 stop8h 25mMultiple Airlines
Tue 10/148:05 pmJTR - LHR
1 stop14h 10mMultiple Airlines
Deal found 8/17$214
This Lufthansa deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:40 pmLHR - JTR
1 stop13h 10mSWISS
Mon 10/208:45 pmJTR - LHR
1 stop13h 10mSWISS
Deal found 8/16$218
This Lufthansa deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amLHR - JTR
1 stop12h 10mSWISS
Sun 10/198:55 pmJTR - LHR
1 stop13h 00mSWISS
Deal found 8/18$222
This SWISS deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:05 pmLHR - JTR
1 stop22h 05mSWISS
Mon 10/68:45 pmJTR - LHR
1 stop13h 10mSWISS
Deal found 8/17$241
This Lufthansa deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:00 amLHR - JTR
1 stop12h 10mSWISS
Mon 9/228:45 pmJTR - LHR
1 stop13h 10mSWISS
Deal found 8/18$242
This Lufthansa deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:00 amLHR - JTR
1 stop12h 00mMultiple Airlines
Tue 9/309:40 pmJTR - LHR
1 stop12h 40mMultiple Airlines
Deal found 8/16$256
This SWISS deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:00 amLHR - JTR
2 stops24h 50mSWISS
Mon 9/228:45 pmJTR - LHR
1 stop13h 10mSWISS
Deal found 8/18$262
This Lufthansa deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:00 amLHR - JTR
1 stop12h 00mSWISS
Mon 10/208:45 pmJTR - LHR
1 stop13h 10mSWISS
Deal found 8/18$264

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Santorini 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, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Thera that are best for you.

Fly from

Heathrow

Fly to

Santorini

Route

Depart

Return

Price

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/9

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Tue 9/16

8:05 pm-8:15 am

1 stop14h 10m

$198

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/30

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Tue 10/7

8:05 pm-8:15 am

1 stop14h 10m

$198

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/2

8:05 pm-9:50 am

1 stop11h 45m

Thera Santorini

Tue 9/16

8:05 pm-8:15 am

1 stop14h 10m

$198

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 10/11

10:25 am-8:50 pm

1 stop8h 25m

Thera Santorini

Tue 10/14

8:05 pm-8:15 am

1 stop14h 10m

$214

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 10/14

6:40 pm-9:50 am

1 stop13h 10m

Thera Santorini

Mon 10/20

8:45 pm-7:55 am

1 stop13h 10m

$218

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/12

6:00 am-8:10 pm

1 stop12h 10m

Thera Santorini

Sun 10/19

8:55 pm-7:55 am

1 stop13h 00m

$222

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Wed 8/27

10:15 pm-6:45 am

1 stop6h 30m

$131

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 9/27

6:35 pm-8:05 am

1 stop11h 30m

$137

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 10/2

6:15 pm-4:35 pm

1 stop20h 20m

$138

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/26

7:40 am-4:50 pm

1 stop7h 10m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 13 results
1
2

Best time to book a flight from Heathrow to Santorini

Have a flexible travel schedule? Discover the best time to fly to Santorini from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Thera

How far ahead should I book a flight from London Heathrow Airport to Thera?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Santorini. Price data was last updated on August 8, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Thera. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest time of day to fly from LHR to JTR?

Find hourly flight availability from Heathrow to Santorini. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

It’s typically best to fly out from London Heathrow Airport to Thera at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from London Heathrow Airport to Thera?

Reviews of airlines servicing Santorini

Get insights into the airlines that provide service to Santorini. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santorini. Reviews last updated August 18, 2025.
Read reviews from past customers who have flown Aegean Airlines and British Airways from London Heathrow Airport to Thera. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
783 reviews

Overall

8.1

Comfort

7.9

Entertainment

7.0

Boarding

7.8

Crew

8.6

Food

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
783 reviews
Aegean Airlines
8.1
Very good
783 reviews

Overall

8.1

Comfort

7.9

Entertainment

7.0

Boarding

7.8

Crew

8.6

Food

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
British Airways
6.7
Okay
7,277 reviews
Aegean Airlines
8.1
Very good
783 reviews

Overall

8.1

Comfort

7.9

Entertainment

7.0

Boarding

7.8

Crew

8.6

Food

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Santorini. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Thera from London Heathrow?

    Located just 2.9 mi from the city center, Thera Santorini is the airport most travelers will use when flying to Thera from London Heathrow. Booking flights from London Heathrow to Santorini (JTR) should be relatively easy as there is 1 daily inbound flight from London Heathrow from 2 different airlines.

  • What are the cheapest airlines flying from London Heathrow Airport to Thera round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Thera round-trip from $252. Another airline that can offer you cheap pricing is Aegean Airlines. Users have found that British Airways is 32% cheaper than the other options available to this destination.

  • What are the cheapest flights from London Heathrow Airport to Thera?

    The cheapest flight price from London Heathrow Airport to Thera is $204. On average you can expect to pay $365. The most popular route, (London Heathrow - Thera Santorini), can usually be booked for $214.

  • Can I find deals for flights from Heathrow to Santorini that include hotel bookings?

    Yes. In addition to deals on Heathrow to Santorini flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Santorini?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Santorini.

  • Can I find deals for business class flights from Heathrow to Santorini?

    Yes. Cheapflights offers flight deals from Heathrow to Santorini by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Thera?

Book flights to Thera if you plan to visit one of these locations
Oia
Kamari
Imerovigli

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Alternative routes for Heathrow to Santorini

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Mykonos flights
Gatwick to Santorini flights

Top 2 airlines flying from Heathrow to Santorini

Discover the top 2 airlines that operate flights from Heathrow to Santorini. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$252Average$472FlexibilityNo cancel feeOn-time70%
Aegean AirlinesCheapest$285Average$538FlexibilityNo cancel feeOn-time87%

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