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Cheap flights from London Heathrow Airport to Sanya from £635

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYX
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Sanya

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Sanya
Explore the most affordable flight options available from Heathrow to Sanya. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Thu 26/1120:25
LHR
-
SYX
1 stop36h 20m
Air China
Sun 29/1111:55
SYX
-
LHR
1 stop37h 55m
Air China
Deal found 6/6£635
Sat 24/1021:00
LHR
-
SYX
1 stop19h 35m
China Southern
Sat 14/1108:00
SYX
-
LHR
1 stop18h 35m
China Southern
Deal found 9/6£653
Tue 7/721:00
LHR
-
SYX
1 stop19h 45m
China Southern
Tue 14/707:00
SYX
-
LHR
1 stop19h 20m
China Southern
Deal found 9/6£657
Mon 6/722:10
LHR
-
SYX
1 stop15h 45m
China Southern
Mon 13/713:50
SYX
-
LHR
1 stop35h 15m
China Southern
Deal found 5/6£662
Thu 26/1117:50
LHR
-
SYX
1 stop32h 40m
Cathay Pacific
Sun 29/1120:50
SYX
-
LHR
1 stop31h 20m
Cathay Pacific
Deal found 8/6£668
Mon 6/722:05
LHR
-
SYX
1 stop35h 20m
Shenzhen Airlines
Sat 18/722:05
SYX
-
LHR
1 stop28h 55m
Shenzhen Airlines
Deal found 8/6£675
Mon 22/622:10
LHR
-
SYX
1 stop19h 55m
China Southern
Tue 30/615:40
SYX
-
LHR
1 stop34h 40m
China Southern
Deal found 7/6£687
Sat 24/1019:55
LHR
-
SYX
2 stops34h 40m
Multiple Airlines
Sat 14/1123:15
SYX
-
LHR
1 stop27h 20m
Multiple Airlines
Deal found 9/6£692
Tue 23/622:10
LHR
-
SYX
1 stop14h 55m
China Southern
Fri 26/609:15
SYX
-
LHR
1 stop17h 05m
China Southern
Deal found 9/6£715
Wed 17/621:00
LHR
-
SYX
1 stop19h 45m
China Southern
Sat 27/608:00
SYX
-
LHR
1 stop17h 05m
China Southern
Deal found 9/6£717

Find flight deals from Heathrow to Sanya

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Sanya (SYX). 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 10 June 2026.

Round-trip from

£635

Popular in

April

Cheapest in

March

Average price

£680
Air China
  • Air China
  • 26/11-29/11
  • 2 total stops
  • 74h 15m total
  • London to Sanya
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Sanya 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 858,174 searches. Data last updated 10 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Sanya that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Wed 8/7

19:15-18:35

1 stop16h 20m

Sanya Phoenix Intl

Wed 15/7

22:25-19:20

1 stop27h 55m

£657

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Thu 26/11

17:50-10:30

1 stop32h 40m

Sanya Phoenix Intl

Sun 29/11

20:50-20:10

1 stop31h 20m

£668

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Wed 1/7

06:55-18:10

2 stops28h 15m

Sanya Phoenix Intl

Wed 15/7

18:00-20:25

1 stop33h 25m

£740

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Mon 6/7

21:55-12:45

2 stops31h 50m

Sanya Phoenix Intl

Sat 18/7

13:45-08:00

2 stops25h 15m

£769

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Thu 26/11

20:25-09:45

2 stops29h 20m

Sanya Phoenix Intl

Sun 29/11

14:50-17:50

1 stop35h 00m

£777

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Mon 6/7

18:55-12:45

2 stops34h 50m

Sanya Phoenix Intl

Mon 13/7

13:45-06:30

2 stops23h 45m

£794

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Wed 1/7

20:25-19:45

1 stop16h 20m

Sanya Phoenix Intl

Wed 15/7

20:40-20:25

1 stop30h 45m

£798
Fastest return journey

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Mon 6/7

21:00-21:55

2 stops17h 55m

Sanya Phoenix Intl

Sat 18/7

21:00-16:15

1 stop26h 15m

£804
Cheapest one-way

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Tue 13/10

14:45-16:20

2 stops42h 35m

£2,774

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 9/10

14:45-16:20

2 stops42h 35m

£2,892

Flights are sorted by cheapest return flights first.

Deals found on 9/6

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

Best time to book a flight from Heathrow to Sanya

Have a flexible travel schedule? Discover the best time to fly to Sanya from Heathrow with our price prediction graph.
Estimated return 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 Sanya

How much does it cost for a return flight from London Heathrow Airport to Sanya?

Reviews of airlines servicing Sanya

Get insights into the airlines that provide service to Sanya. 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 Sanya. Reviews last updated 10 June 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Sanya, such as China Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Southern
7.5
Good
153 reviews
Check prices

Comfort

7.7

Boarding

7.9

Overall

7.5

Entertainment

7.2

Crew

8.1

Food

7.3

Reviews

1 / 7
2.0
Mediocre

Anonymous,Mar 2026

NRT - CAN

The reclinjng didnot work in our seats. The TV didnot work. The crew was not helpful. The food was awful. Overall very very poor experience. I traveled with the family of 5
China Southern
7.5
Good
153 reviews
China Southern
7.5
Good
153 reviews
Check prices

Comfort

7.7

Boarding

7.9

Overall

7.5

Entertainment

7.2

Crew

8.1

Food

7.3

Reviews

1 / 7
2.0
Mediocre

Anonymous,Mar 2026

NRT - CAN

The reclinjng didnot work in our seats. The TV didnot work. The crew was not helpful. The food was awful. Overall very very poor experience. I traveled with the family of 5

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Sanya. 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 Sanya from London Heathrow?

    Sanya Phoenix Intl (SYX) is the airport you will fly into if you book a flight from London Heathrow to Sanya. You should not have trouble finding flights to Phoenix Intl from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Sanya airport from London Heathrow. It is only a 7.4 mi journey from Phoenix Intl (SYX) to Sanya’s city center.

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

    For as low as £657, China Southern can have you in Sanya from London Heathrow Airport in 16h 20m. There are 6037 mi between London Heathrow Airport and Sanya. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from London Heathrow Airport to Sanya round-trip?

    According to our current data, China Southern (£467), offers the cheapest pricing from London Heathrow Airport to Sanya. China Southern is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Sanya 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Sanya by adding a car hire and/or hotel booking to your travel itinerary.
Sanya car hire
Sanya Phoenix Intl Airport car hire
Haikou car hire

Top airline flying from Heathrow to Sanya

Discover the top airline that operate flights from Heathrow to Sanya. 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 858,174 searches. Data last updated 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£467Average£752FlexibilityNo cancel feeOn-time69%
Search China Southern flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Sanya?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sanya?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sanya from Heathrow.

Can Cheapflights find flights from Heathrow to Sanya with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Sanya flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Sanya become cheaper?

Of course! You can now track prices for flights from Heathrow to Sanya and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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