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Santorini

$130+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JTR
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 36 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 September 17, 2025.

Round-trip from

$245
(SWISS)

One-way from

$130
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$435

Good one-way deal

$156 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 ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This SWISS deal was found by Cheapflights users on 9/15. 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.
Thu 10/168:55 amLHR - JTR
2 stops31h 15mSWISS
Mon 10/208:45 pmJTR - LHR
1 stop13h 10mSWISS
Deal found 9/15$245
This SWISS deal was found by Cheapflights users on 9/15. 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.
Wed 10/157:15 pmLHR - JTR
2 stops44h 55mSWISS
Mon 10/208:45 pmJTR - LHR
1 stop13h 10mSWISS
Deal found 9/15$270
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:45 amLHR - JTR
1 stop7h 45mMultiple Airlines
Fri 11/78:25 amJTR - LHR
2 stops14h 55mMultiple Airlines
Deal found 9/16$284
This OneTravel deal was found by Cheapflights users on 9/16. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:15 pmLHR - JTR
1 stop8h 20mMultiple Airlines
Sat 11/86:05 amJTR - LHR
1 stop11h 25mMultiple Airlines
Deal found 9/16$297
This Aegean Airlines deal was found by Cheapflights users on 9/17. 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 Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:35 pmLHR - JTR
1 stop5h 40mAegean Airlines
Sat 10/183:05 pmJTR - LHR
1 stop8h 05mAegean Airlines
Deal found 9/17$322
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:55 amLHR - JTR
Nonstop3h 55mBritish Airways
Thu 10/235:05 pmJTR - LHR
Nonstop4h 10mBritish Airways
Deal found 9/15$329
This SWISS deal was found by Cheapflights users on 9/17. 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.
Mon 10/67:15 pmLHR - JTR
2 stops36h 35mSWISS
Mon 10/138:45 pmJTR - LHR
1 stop13h 10mSWISS
Deal found 9/17$334

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 September 17, 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

Wed 10/15

7:15 pm-6:10 pm

2 stops44h 55m

Thera Santorini

Mon 10/20

8:45 pm-7:55 am

1 stop13h 10m

$270

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 11/1

10:15 pm-8:35 am

1 stop8h 20m

Thera Santorini

Sat 11/8

6:05 am-3:30 pm

1 stop11h 25m

$297

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 2/9

7:00 pm-7:50 am

1 stop10h 50m

Thera Santorini

Sun 2/15

11:55 am-5:55 pm

1 stop8h 00m

$340

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sun 10/12

6:00 am-8:10 pm

1 stop12h 10m

Thera Santorini

Tue 10/14

8:05 pm-8:15 am

1 stop14h 10m

$342

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 11/1

10:15 pm-7:45 am

1 stop7h 30m

Thera Santorini

Sun 11/9

8:25 am-3:30 pm

1 stop9h 05m

$346

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 10/17

8:40 am-6:10 pm

1 stop7h 30m

Thera Santorini

Sun 10/19

8:55 pm-7:55 am

1 stop13h 00m

$347

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 10/3

8:40 am-6:10 pm

1 stop7h 30m

Thera Santorini

Mon 10/6

8:45 pm-7:55 am

1 stop13h 10m

$350

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 10/11

10:15 pm-7:45 am

1 stop7h 30m

Thera Santorini

Sat 10/18

8:25 am-3:30 pm

1 stop9h 05m

$362

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 10/6

10:15 pm-7:50 am

1 stop7h 35m

$130

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 10/20

8:10 am-2:00 pm

Nonstop3h 50m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 14 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 September 12, 2025.

Booking 36 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 September 17, 2025.

It’s typically best to fly out from London Heathrow Airport to Thera at noon. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.

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 September 17, 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
786 reviews

Comfort

7.9

Crew

8.6

Food

7.4

Overall

8.1

Entertainment

7.0

Boarding

7.8

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
786 reviews
Aegean Airlines
8.1
Very good
786 reviews

Comfort

7.9

Crew

8.6

Food

7.4

Overall

8.1

Entertainment

7.0

Boarding

7.8

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
7,367 reviews
Aegean Airlines
8.1
Very good
786 reviews

Comfort

7.9

Crew

8.6

Food

7.4

Overall

8.1

Entertainment

7.0

Boarding

7.8

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.

  • How long is the flight from London Heathrow Airport to Thera?

    A quick flight from London Heathrow Airport to Thera can take about 10h 50m. SWISS provides one of the quickest options available for as low as $340. There are 1642 mi between London Heathrow Airport and Thera. This flight may include one or multiple stops.

  • 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 33% 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 $156. On average you can expect to pay $189. The most popular route, (London Heathrow - Thera Santorini), can usually be booked for $295.

  • 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.
Gatwick to Santorini flights
Heathrow to Mykonos 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$252Average$471FlexibilityNo cancel feeOn-time70%
Aegean AirlinesCheapest$285Average$538FlexibilityNo cancel feeOn-time87%

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