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Santorini

$123+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — JTR
May 8 — May 151
Fri 5/8
Fri 5/15
1 adult, Economy
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Cheap 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 April 8, 2026.

This Booking.com deal was found by Cheapflights users on 4/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:15 am
LHR
-
JTR
Nonstop4h 00m
British Airways
Sat 5/25:05 pm
JTR
-
LHR
Nonstop4h 10m
British Airways
Deal found 4/6$297
This British Airways deal was found by Cheapflights users on 4/6. 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.
Fri 4/248:15 am
LHR
-
JTR
Nonstop3h 50m
British Airways
Fri 5/13:05 pm
JTR
-
LHR
Nonstop4h 10m
British Airways
Deal found 4/6$306
This Air France deal was found by Cheapflights users on 4/6. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/197:45 pm
LHR
-
JTR
1 stop14h 55m
Air France
Sat 7/41:35 pm
JTR
-
LHR
1 stop9h 50m
Air France
Deal found 4/6$313
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Tue 6/233:00 pm
LHR
-
JTR
1 stop19h 50m
Multiple Airlines
Tue 7/712:25 pm
JTR
-
LHR
1 stop9h 40m
Multiple Airlines
Deal found 4/6$320
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 6/228:50 pm
LHR
-
JTR
1 stop13h 00m
Vueling
Tue 7/712:25 pm
JTR
-
LHR
1 stop9h 40m
Vueling
Deal found 4/6$331
This Orbitz deal was found by Cheapflights users on 4/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:00 am
LHR
-
JTR
1 stop12h 10m
SWISS
Sun 6/288:55 pm
JTR
-
LHR
1 stop13h 00m
SWISS
Deal found 4/6$340
This Justfly.com deal was found by Cheapflights users on 4/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:15 pm
LHR
-
JTR
1 stop8h 25m
Aegean Airlines
Fri 5/1510:00 pm
JTR
-
LHR
1 stop15h 15m
Aegean Airlines
Deal found 4/4$341
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 6/1710:15 pm
LHR
-
JTR
1 stop8h 25m
Multiple Airlines
Tue 7/712:25 pm
JTR
-
LHR
1 stop9h 40m
Multiple Airlines
Deal found 4/6$345
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:25 am
LHR
-
JTR
1 stop7h 30m
Lufthansa
Sat 5/25:35 pm
JTR
-
LHR
1 stop6h 35m
Lufthansa
Deal found 4/6$351
This oojo deal was found by Cheapflights users on 4/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:05 pm
LHR
-
JTR
1 stop22h 05m
Multiple Airlines
Sat 6/137:35 pm
JTR
-
LHR
1 stop14h 40m
Multiple Airlines
Deal found 4/4$353

Find 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 April 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Booking.com)

One-way from

$123
(Expedia)

Popular in

August

Cheapest in

February

Average price

$442

Good round-trip deal

$476 or less

Good one-way deal

$246 or less
Provider with most accurate pricing for London Heathrow-Thera Santorini flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Thera Santorini flights.
Search Deals
From London Heathrow to Thera Santorini
Search Deals
One-way flight from London Heathrow to Thera Santorini
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Thera Santorini.
Search Deals
Price to beat on a one-way flight from London Heathrow to Thera Santorini.
Search Deals

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 April 8, 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

Cheapest round-trip

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 5/11

10:15 pm-8:40 am

1 stop8h 25m

Thera Santorini

Fri 5/15

8:25 am-3:30 pm

1 stop9h 05m

$411
Quickest round-trip

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 5/8

8:15 am-2:05 pm

Nonstop3h 50m

Thera Santorini

Sun 5/10

5:10 pm-7:20 pm

Nonstop4h 10m

$426

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Tue 9/29

8:00 am-1:50 pm

Nonstop3h 50m

Thera Santorini

Sun 10/4

5:10 pm-7:20 pm

Nonstop4h 10m

$433

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Thu 5/7

10:15 pm-8:40 am

1 stop8h 25m

Thera Santorini

Sun 5/10

4:35 pm-9:10 pm

1 stop6h 35m

$463

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 6/22

4:35 pm-12:25 am

1 stop5h 50m

Thera Santorini

Fri 6/26

3:05 pm-9:10 pm

1 stop8h 05m

$497

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Sat 8/15

11:30 am-5:30 pm

Nonstop4h 00m

Thera Santorini

Wed 8/19

5:10 pm-7:20 pm

Nonstop4h 10m

$531
Cheapest one-way
Quickest one-way

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 4/20

8:05 am-1:55 pm

Nonstop3h 50m

$174

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 6/15

7:00 pm-8:40 am

1 stop11h 40m

$195

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Mon 5/11

10:15 pm-8:40 am

1 stop8h 25m

$195

LondonThera

LHR - JTR

LHRJTR

London Heathrow

Fri 10/2

7:00 pm-8:40 am

1 stop11h 40m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Heathrow to Santorini

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Santorini in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Thera flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Thera flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Thera flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Thera flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Thera flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 3, 2026.

Booking 52 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 April 8, 2026.

When flying from London Heathrow Airport to Thera, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 8, 2026.
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
864 reviews

Comfort

7.8

Crew

8.6

Food

7.4

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable
Aegean Airlines
8.1
Very good
864 reviews
Aegean Airlines
8.1
Very good
864 reviews

Comfort

7.8

Crew

8.6

Food

7.4

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable
British Airways
6.7
Okay
7,859 reviews
Aegean Airlines
8.1
Very good
864 reviews

Comfort

7.8

Crew

8.6

Food

7.4

Entertainment

6.9

Boarding

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

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 are 0 daily inbound flights 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 3h 50m. Aegean Airlines provides one of the quickest options available for as low as $426. 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 $267. Another airline that can offer you cheap pricing is Aegean Airlines. Users have found that British Airways is 31% 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 $169. On average you can expect to pay $436. The most popular route, (London Heathrow - Thera Santorini), can usually be booked for $340.

  • 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 April 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$267Average$472FlexibilityNo cancel feeOn-time70%
Aegean AirlinesCheapest$285Average$538FlexibilityNo cancel feeOn-time87%

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