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Cheap flights from London Heathrow Airport to Sanya from £348

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SYX
12 May — 19 May1
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 12 April 2026.

Thu 7/522:10
LHR
-
SYX
1 stop14h 55m
China Southern
Thu 14/508:00
SYX
-
LHR
1 stop17h 05m
China Southern
Deal found 7/4£574
Tue 19/521:00
LHR
-
SYX
1 stop32h 35m
China Southern
Tue 26/519:35
SYX
-
LHR
1 stop27h 40m
China Southern
Deal found 8/4£582
Mon 13/421:00
LHR
-
SYX
1 stop19h 45m
China Southern
Tue 2/621:00
SYX
-
LHR
1 stop26h 15m
China Southern
Deal found 11/4£649
Tue 16/622:40
LHR
-
SYX
1 stop36h 30m
Multiple Airlines
Sun 21/611:10
SYX
-
LHR
2 stops39h 35m
Multiple Airlines
Deal found 7/4£668
Thu 14/515:00
LHR
-
SYX
2 stops39h 05m
China Eastern
Sun 17/517:30
SYX
-
LHR
1 stop32h 10m
China Eastern
Deal found 8/4£706
Tue 19/514:45
LHR
-
SYX
2 stops39h 20m
China Eastern
Tue 26/506:45
SYX
-
LHR
1 stop18h 55m
China Eastern
Deal found 8/4£708
Mon 15/621:20
LHR
-
SYX
1 stop20h 50m
China Eastern
Mon 22/606:45
SYX
-
LHR
1 stop18h 55m
China Eastern
Deal found 9/4£710
Tue 19/506:15
LHR
-
SYX
2 stops24h 20m
Multiple Airlines
Tue 26/514:45
SYX
-
LHR
2 stops34h 50m
Multiple Airlines
Deal found 8/4£745

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 12 April 2026.

Round-trip from

£574

One-way from

£348

Popular in

December

Cheapest in

May

Average price

£842
China Southern
  • China Southern
  • 7/5-14/5
  • 2 total stops
  • 32h 00m total
  • London to Sanya
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 20/4
  • 1 total stop
  • 27h 55m total
  • London to Sanya
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£110 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 12 April 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

Tue 16/6

09:30-20:55

3 stops28h 25m

Sanya Phoenix Intl

Sun 21/6

11:10-19:45

2 stops39h 35m

£706
Fastest return journey

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Mon 15/6

21:20-01:10

1 stop20h 50m

Sanya Phoenix Intl

Sun 21/6

06:45-18:40

1 stop18h 55m

£710

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Mon 15/6

21:20-01:10

1 stop20h 50m

Sanya Phoenix Intl

Mon 22/6

06:45-18:40

1 stop18h 55m

£710

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Tue 19/5

06:15-13:35

2 stops24h 20m

Sanya Phoenix Intl

Tue 26/5

14:45-18:35

2 stops34h 50m

£745

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 1/5

22:40-18:10

1 stop36h 30m

Sanya Phoenix Intl

Sun 10/5

20:40-20:25

1 stop30h 45m

£839

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Wed 3/6

06:15-13:35

2 stops24h 20m

Sanya Phoenix Intl

Sun 7/6

14:05-18:40

1 stop35h 35m

£851

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Thu 14/5

21:20-01:10

1 stop20h 50m

Sanya Phoenix Intl

Sun 17/5

17:30-18:40

1 stop32h 10m

£864

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 1/5

15:25-23:45

2 stops25h 20m

Sanya Phoenix Intl

Sun 10/5

13:45-07:35

2 stops24h 50m

£876
Cheapest one-way

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Mon 20/4

22:05-09:00

1 stop27h 55m

£348
Fastest single journey

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Mon 4/5

22:10-08:10

1 stop27h 00m

£357

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 18 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

What is the cheapest month to book a flight from London Heathrow Airport to Sanya?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sanya (average of £455). Flying from London Heathrow Airport to Sanya in September is currently the most expensive (average of £785). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 12 April 2026.
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
7.4
Good
146 reviews
Check prices

Overall

7.4

Comfort

7.6

Crew

8.0

Boarding

7.7

Entertainment

7.1

Food

7.2

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
7.4
Good
146 reviews
China Southern
7.4
Good
146 reviews
Check prices

Overall

7.4

Comfort

7.6

Crew

8.0

Boarding

7.7

Entertainment

7.1

Food

7.2

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
Air China
7.3
Good
146 reviews
China Southern
7.4
Good
146 reviews
Check prices

Overall

7.4

Comfort

7.6

Crew

8.0

Boarding

7.7

Entertainment

7.1

Food

7.2

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 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.

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

    For as low as £675, China Southern can have you in Sanya from London Heathrow Airport in 14h 55m. There are 6037 mi between London Heathrow Airport and Sanya. This flight may include one or multiple stops.

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

    According to our current data, China Southern (£459), and Air China (£577) offers the cheapest pricing from London Heathrow Airport to Sanya. China Southern is priced at 34% 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.

  • What is the cheapest month to book a flight from London Heathrow Airport to Sanya?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sanya (average of £455). Flying from London Heathrow Airport to Sanya in September is currently the most expensive (average of £785). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 12 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£459Average£704FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£577Average£792FlexibilityNo 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?

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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