Cheap flights from London to Sanya from £399

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYX
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from London to Sanya

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 18 September 2025.

Round-trip from

£399

Popular in

December

Cheapest in

January

Average price

£605
China Southern
  • China Southern
  • 2/10-11/10
  • 2 total stops
  • 46h 05m total
  • London to Sanya
Highest demand for flights based on searches. 9% potential increase in price (£46 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from London to Sanya

Cheapest flights from London to Sanya
Explore the most affordable flight options available from London to Sanya. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Thu 2/1022:10LHR - SYX
1 stop27h 10mChina Southern
Sat 11/1007:05SYX - LHR
1 stop18h 55mChina Southern
Deal found 16/9£399
Thu 2/1012:00LGW - SYX
1 stop37h 20mMultiple Airlines
Sat 11/1017:25SYX - LGW
1 stop20h 05mMultiple Airlines
Deal found 16/9£495
Wed 12/1117:40LHR - SYX
1 stop17h 35mAir China
Mon 17/1118:50SYX - LHR
1 stop29h 05mAir China
Deal found 16/9£561
Wed 12/1117:40LHR - SYX
1 stop16h 00mMultiple Airlines
Tue 18/1113:25SYX - LHR
1 stop37h 45mMultiple Airlines
Deal found 16/9£562
Mon 10/1120:25LHR - SYX
1 stop37h 15mAir China
Wed 19/1117:55SYX - LHR
1 stop30h 00mAir China
Deal found 16/9£582
Tue 11/1120:20LGW - SYX
2 stops38h 05mChina Southern
Mon 17/1111:50SYX - LGW
1 stop37h 30mChina Southern
Deal found 16/9£585
Thu 13/1122:00LHR - SYX
1 stop28h 50mChina Southern
Tue 18/1119:15SYX - LHR
1 stop31h 20mChina Southern
Deal found 16/9£586
Tue 30/922:10LHR - SYX
1 stop27h 10mChina Southern
Fri 3/1019:50SYX - LHR
1 stop29h 15mChina Southern
Deal found 16/9£587
Thu 16/1012:00LGW - SYX
1 stop25h 55mChina Southern
Thu 23/1019:15SYX - LGW
1 stop18h 55mChina Southern
Deal found 16/9£589
Thu 13/1108:45LHR - SYX
2 stops18h 30mMultiple Airlines
Tue 18/1120:30SYX - LHR
1 stop29h 20mMultiple Airlines
Deal found 16/9£591
Fri 14/1122:00LHR - SYX
1 stop17h 40mChina Southern
Tue 18/1107:00SYX - LHR
1 stop19h 35mChina Southern
Deal found 16/9£592
Tue 21/1022:10LHR - SYX
1 stop15h 45mChina Southern
Fri 21/1106:55SYX - LHR
1 stop19h 40mChina Southern
Deal found 17/9£596

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 18 September 2025.
Use the filters below to find and compare flights from London to Sanya that are best for you.

Fly from

London

Fly to

Sanya

Route

Depart

Return

Price

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Wed 12/11

17:40-17:40

1 stop16h 00m

Sanya Phoenix Intl

Tue 18/11

13:25-19:10

1 stop37h 45m

£562

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Wed 12/11

21:10-12:00

1 stop30h 50m

Sanya Phoenix Intl

Thu 20/11

23:00-19:10

1 stop28h 10m

£582

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Tue 11/11

17:40-17:40

1 stop16h 00m

Sanya Phoenix Intl

Tue 18/11

20:30-17:50

1 stop29h 20m

£582

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Fri 14/11

21:10-12:00

1 stop30h 50m

Sanya Phoenix Intl

Thu 20/11

23:00-19:10

1 stop28h 10m

£582

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Mon 10/11

17:40-17:40

1 stop16h 00m

Sanya Phoenix Intl

Mon 17/11

20:30-17:50

1 stop29h 20m

£582

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Tue 11/11

17:40-19:15

1 stop17h 35m

Sanya Phoenix Intl

Wed 19/11

17:55-15:55

1 stop30h 00m

£582

LondonSanya

LGW - SYX

LGWSYX

London Gatwick

Sat 15/11

20:25-18:25

2 stops38h 00m

Sanya Phoenix Intl

Fri 21/11

11:50-17:20

1 stop37h 30m

£585

LondonSanya

LGW - SYX

LGWSYX

London Gatwick

Tue 11/11

20:20-18:25

2 stops38h 05m

Sanya Phoenix Intl

Mon 17/11

11:50-17:20

1 stop37h 30m

£585

LondonSanya

LGW - SYX

LGWSYX

London Gatwick

Tue 11/11

20:20-10:45

1 stop30h 25m

Sanya Phoenix Intl

Fri 21/11

20:45-17:20

1 stop28h 35m

£585

LondonSanya

LHR - SYX

LHRSYX

London Heathrow

Thu 13/11

22:00-10:50

1 stop28h 50m

Sanya Phoenix Intl

Tue 18/11

19:15-18:35

1 stop31h 20m

£586

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from London to Sanya

Have a flexible travel schedule? Discover the best time to fly to Sanya from London 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 to Sanya

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

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

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

Guangzhou (CAN) – chosen by Cheapflights users on 48% of one-stop itineraries from London to Sanya on Cheapflights.

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

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

Shenzhen (SZX) is the most affordable one-stop option, with an average return flight price of £620.

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

Shortest average travel time for one-stop one-way flights from London 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 to Sanya?

Average stopover duration for one-stop one-way flights from London 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 18 September 2025.
Check out reviews from past customers who have flown with China Southern, Air China, andChina Eastern from London to Sanya to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Boarding

8.0

Food

7.3

Crew

8.3

Entertainment

7.5

Overall

7.5

Reviews

1 / 5
6.0
Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.

Comfort

7.8

Boarding

8.0

Food

7.3

Crew

8.3

Entertainment

7.5

Overall

7.5

Reviews

1 / 5
6.0
Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.

Comfort

7.8

Boarding

8.0

Food

7.3

Crew

8.3

Entertainment

7.5

Overall

7.5

Reviews

1 / 5
6.0
Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.

Comfort

7.8

Boarding

8.0

Food

7.3

Crew

8.3

Entertainment

7.5

Overall

7.5

Reviews

1 / 5
6.0
Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.

Related info for your journey

Find useful and relevant information for your journey from London 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?

    Sanya Phoenix Intl (SYX) is the airport you will fly into if you book a flight from London to Sanya. You should not have trouble finding flights to Phoenix Intl from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Sanya airport from London. It is only a 7.4 mi journey from Phoenix Intl (SYX) to Sanya’s city center.

  • How long is the flight from London to Sanya?

    Departing from London to Sanya will take you 16h. There are 6037 mi between London and Sanya. Both multi-stop and direct flights can be found to your destination and back.

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

    Our cheapest airline available from London to Sanya is China Southern. Our recent data shows that you can find tickets from as low as £431 on this airline. An additional option worth looking into is Air China, starting at £460. These flights start at 32% lower than the current average price 3 months from now.

  • What are the most popular routes from London to Sanya?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

Alternative routes for London to Sanya

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from London to Sanya

Discover the top 2 airlines that operate flights from London 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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£431Average£605FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£460Average£721FlexibilityNo 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 London to Sanya?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sanya from London today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from London to Sanya by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Sanya, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sanya from London today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.