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Cheap flights from London Heathrow Airport to Sanya from £321

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYX
2 Jul — 9 Jul1
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 27 June 2025.

Round-trip from

£454

One-way from

£321

Popular in

August

Cheapest in

November

Average price

£517
China Southern
  • China Southern
  • 2/10-11/10
  • 2 total stops
  • 58h 25m total
  • London to Sanya
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China Southern
  • China Southern
  • 20/9
  • 1 total stop
  • 30h 35m total
  • London to Sanya
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 27 June 2025.

Thu 2/1022:10LHR - SYX
1 stop30h 35mChina Southern
Sat 11/1019:25SYX - LHR
1 stop27h 50mChina Southern
Deal found 25/6£454
Thu 2/1022:00LHR - SYX
2 stops30h 35mAir China
Sat 11/1020:40SYX - LHR
1 stop30h 50mAir China
Deal found 25/6£511
Sat 4/1022:05LHR - SYX
1 stop27h 35mShenzhen Airlines
Sat 11/1017:30SYX - LHR
1 stop33h 30mShenzhen Airlines
Deal found 24/6£552
Fri 3/1022:05LHR - SYX
1 stop35h 20mMultiple Airlines
Sat 11/1020:55SYX - LHR
1 stop30h 35mMultiple Airlines
Deal found 24/6£552
Fri 3/1022:00LHR - SYX
1 stop29h 15mHainan Airlines
Sat 11/1023:10SYX - LHR
3 stops51h 20mHainan Airlines
Deal found 24/6£632
Fri 25/719:15LHR - SYX
2 stops56h 40mXiamenAir
Fri 1/812:30SYX - LHR
2 stops39h 25mXiamenAir
Deal found 25/6£1,144
Tue 8/715:25LHR - SYX
2 stops39h 10mChina Eastern
Sat 12/711:15SYX - LHR
1 stop38h 25mChina Eastern
Deal found 25/6£2,631

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 27 June 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

Thu 2/10

22:10-11:45

1 stop30h 35m

Sanya Phoenix Intl

Sat 11/10

19:25-16:15

1 stop27h 50m

£454

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Thu 2/10

22:00-11:35

2 stops30h 35m

Sanya Phoenix Intl

Sat 11/10

20:40-20:30

1 stop30h 50m

£511

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Sat 4/10

22:05-08:40

1 stop27h 35m

Sanya Phoenix Intl

Sat 11/10

17:30-20:00

1 stop33h 30m

£552

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 3/10

22:05-16:25

1 stop35h 20m

Sanya Phoenix Intl

Sat 11/10

20:55-20:30

1 stop30h 35m

£552

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 3/10

22:00-10:15

1 stop29h 15m

Sanya Phoenix Intl

Sat 11/10

23:10-19:30

3 stops51h 20m

£632

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 25/7

19:15-10:55

2 stops56h 40m

Sanya Phoenix Intl

Fri 1/8

12:30-20:55

2 stops39h 25m

£1,144

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Tue 8/7

15:25-13:35

2 stops39h 10m

Sanya Phoenix Intl

Sat 12/7

11:15-18:40

1 stop38h 25m

£2,631

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Sat 20/9

22:10-11:45

1 stop30h 35m

£321

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Sat 20/9

18:10-15:50

2 stops38h 40m

£342

Flights are sorted by cheapest return flights first.

Deals found on 27/6

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.

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 27 June 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Sanya, such as Hainan Airlines, China Southern, andAir China. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.2
Very Good
40 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Crew

8.9

Entertainment

7.7

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.2
Very Good
40 reviews
Hainan Airlines
8.2
Very Good
40 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Crew

8.9

Entertainment

7.7

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.5
Good
99 reviews
Hainan Airlines
8.2
Very Good
40 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Crew

8.9

Entertainment

7.7

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Air China
7.2
Good
92 reviews
Hainan Airlines
8.2
Very Good
40 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Crew

8.9

Entertainment

7.7

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Eastern
7.1
Good
152 reviews
Hainan Airlines
8.2
Very Good
40 reviews
Check prices

Boarding

8.6

Comfort

8.1

Food

8.6

Crew

8.9

Entertainment

7.7

Overall

8.2

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 (£454), Air China (£511), and Shenzhen Airlines (£552) offers the cheapest pricing from London Heathrow Airport to Sanya. China Southern is priced at 25% 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 27 June 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£413Average£554FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£458Average£717FlexibilityNo cancel feeOn-time67%
Search Air China 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?

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