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Cheap flights from London Heathrow Airport to Sanya from £339

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYX
22 Aug — 29 Aug1
1 adult

Cheap 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 17 August 2025.

Round-trip from

£639

One-way from

£339

Popular in

December

Cheapest in

May

Average price

£741
China Southern
  • China Southern
  • 30/8-6/9
  • 2 total stops
  • 51h 35m total
  • London to Sanya
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China Southern
  • China Southern
  • 31/8
  • 1 total stop
  • 19h 35m total
  • London to Sanya
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Heathrow to Sanya

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 17 August 2025.

Sat 30/822:10LHR - SYX
1 stop14h 50mChina Southern
Sat 6/910:30SYX - LHR
1 stop36h 45mChina Southern
Deal found 16/8£639
Tue 14/1022:10LHR - SYX
1 stop15h 45mChina Southern
Tue 28/1019:15SYX - LHR
1 stop31h 00mChina Southern
Deal found 16/8£666
Sat 30/822:25LHR - SYX
2 stops43h 25mSichuan Airlines
Sat 6/918:40SYX - LHR
2 stops24h 05mSichuan Airlines
Deal found 16/8£696
Sat 30/809:00LHR - SYX
2 stops26h 10mMultiple Airlines
Sat 6/920:55SYX - LHR
1 stop30h 35mMultiple Airlines
Deal found 16/8£715
Fri 26/1221:50LHR - SYX
1 stop19h 30mMultiple Airlines
Sun 4/108:20SYX - LHR
1 stop19h 20mMultiple Airlines
Deal found 16/8£752
Fri 19/1221:30LHR - SYX
1 stop31h 10mChina Southern
Sat 3/123:15SYX - LHR
1 stop27h 00mChina Southern
Deal found 15/8£1,401

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 17 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Sanya that are best for you.

Fly from

Heathrow

Fly to

Sanya

Route

Depart

Return

Price

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Sat 30/8

22:10-20:00

1 stop14h 50m

Sanya Phoenix Intl

Sat 6/9

10:30-16:15

1 stop36h 45m

£639

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Tue 14/10

22:10-20:55

1 stop15h 45m

Sanya Phoenix Intl

Tue 28/10

19:15-18:15

1 stop31h 00m

£666

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Sat 30/8

22:25-00:50

2 stops43h 25m

Sanya Phoenix Intl

Sat 6/9

18:40-11:45

2 stops24h 05m

£696

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Sat 30/8

09:00-18:10

2 stops26h 10m

Sanya Phoenix Intl

Sat 6/9

20:55-20:30

1 stop30h 35m

£715

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 26/12

21:50-01:20

1 stop19h 30m

Sanya Phoenix Intl

Sun 4/1

08:20-19:40

1 stop19h 20m

£752

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 19/12

21:30-12:40

1 stop31h 10m

Sanya Phoenix Intl

Sat 3/1

23:15-18:15

1 stop27h 00m

£1,401

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Sun 31/8

21:00-23:35

1 stop19h 35m

£339

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Sun 31/8

22:40-12:45

2 stops31h 05m

£395

Flights are sorted by cheapest return flights first.

Deals found on 15/8

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

What’s the top stopover airport for flights from London Heathrow Airport to Sanya?

Share of one-stop return flights from London Heathrow Airport to Sanya chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Guangzhou (CAN) – chosen by Cheapflights users on 65% of one-stop itineraries from London Heathrow Airport to Sanya on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Sanya?

Average return fare for one-stop flights from London Heathrow Airport to Sanya, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Beijing (PKX) is the most affordable one-stop option, with an average return flight price of £662.

What’s the fastest stopover option from London Heathrow Airport to Sanya?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Sanya, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) have the shortest average one-way travel time for one-stop routes: 15h 40m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Sanya?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Sanya, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 1h 13m.

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 17 August 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Sanya, such as China Southern and Air China. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Southern
7.6
Good
106 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.5

Overall

7.6

Boarding

8.0

Crew

8.3

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.
China Southern
7.6
Good
106 reviews
China Southern
7.6
Good
106 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.5

Overall

7.6

Boarding

8.0

Crew

8.3

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.
Air China
7.3
Good
95 reviews
China Southern
7.6
Good
106 reviews
Check prices

Food

7.4

Comfort

7.9

Entertainment

7.5

Overall

7.6

Boarding

8.0

Crew

8.3

Reviews

1 / 4
8.0
Excellent

Peggy,Jul 2025

WUH - SFO

Overall it's good, room temperature is a little high in the airport.

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 2 airlines have 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.

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

    According to our current data, China Southern (£434), and Air China (£463) offers the cheapest pricing from London Heathrow Airport to Sanya. China Southern is priced at 32% 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 2 airlines flying from Heathrow to Sanya

Discover the top 2 airlines 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 17 August 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£434Average£607FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£463Average£725FlexibilityNo cancel feeOn-time67%
Search Air China flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Heathrow to Sanya via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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