$479 Cheap Flights from London (LHR) to Sanya (SYX)

View $479 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Sanya (SYX-Phoenix Intl.)

Cheap Flights from London to Sanya (LHR-SYX)

Prices were available within the past 7 days and start at $479 for one-way flights and $709 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Southern Airlines
Sat, Nov 15 - Fri, Nov 21
LHR
London
SYX
Sanya
$709 Roundtrip, found 5 days ago
$709
Roundtrip
found 5 days ago
Select China Southern Airlines flight, departing Sat, Nov 15 from London to Sanya, returning Fri, Nov 21, priced at $709 found 5 days ago
China Southern Airlines
Sat, Nov 15 - Fri, Nov 21
LHR
London
SYX
Sanya
$710 Roundtrip, found 5 days ago
$710
Roundtrip
found 5 days ago
Select China Southern Airlines flight, departing Sat, Nov 15 from London to Sanya, returning Fri, Nov 21, priced at $710 found 5 days ago
Hainan Airlines
Fri, Jan 16 - Fri, Jan 23
LHR
London
SYX
Sanya
$714 Roundtrip, found 8 hours ago
$714
Roundtrip
found 8 hours ago
Select Hainan Airlines flight, departing Fri, Jan 16 from London to Sanya, returning Fri, Jan 23, priced at $714 found 8 hours ago
China Southern Airlines
Fri, Jan 16 - Sat, Jan 24
LHR
London
SYX
Sanya
$757 Roundtrip, found 8 hours ago
$757
Roundtrip
found 8 hours ago
Select China Southern Airlines flight, departing Fri, Jan 16 from London to Sanya, returning Sat, Jan 24, priced at $757 found 8 hours ago
China Southern Airlines
Fri, Jan 16 - Sat, Jan 24
LHR
London
SYX
Sanya
$759 Roundtrip, found 8 hours ago
$759
Roundtrip
found 8 hours ago
Select China Southern Airlines flight, departing Fri, Jan 16 from London to Sanya, returning Sat, Jan 24, priced at $759 found 8 hours ago
Hainan Airlines
Fri, Jan 16 - Fri, Jan 23
LHR
London
SYX
Sanya
$797 Roundtrip, found 8 hours ago
$797
Roundtrip
found 8 hours ago
Select Hainan Airlines flight, departing Fri, Jan 16 from London to Sanya, returning Fri, Jan 23, priced at $797 found 8 hours ago
Air China
Fri, Jan 16 - Sat, Jan 24
LHR
London
SYX
Sanya
$822 Roundtrip, found 8 hours ago
$822
Roundtrip
found 8 hours ago
Select Air China flight, departing Fri, Jan 16 from London to Sanya, returning Sat, Jan 24, priced at $822 found 8 hours ago
China Southern Airlines
Sat, Nov 15 - Fri, Nov 21
LHR
London
SYX
Sanya
$832 Roundtrip, found 5 days ago
$832
Roundtrip
found 5 days ago
Select China Southern Airlines flight, departing Sat, Nov 15 from London to Sanya, returning Fri, Nov 21, priced at $832 found 5 days ago
Lufthansa
Fri, Jan 16 - Sat, Jan 24
LHR
London
SYX
Sanya
$836 Roundtrip, found 8 hours ago
$836
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Fri, Jan 16 from London to Sanya, returning Sat, Jan 24, priced at $836 found 8 hours ago
China Eastern Airlines
Fri, Jan 16 - Sat, Jan 24
LHR
London
SYX
Sanya
$922 Roundtrip, found 8 hours ago
$922
Roundtrip
found 8 hours ago
Select China Eastern Airlines flight, departing Fri, Jan 16 from London to Sanya, returning Sat, Jan 24, priced at $922 found 8 hours ago

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX) cost?
Get a cheap one-way flight from $479 or cheap return flight from $709 from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX)?
Planning your trip for November is a great way to save, as it's the cheapest month for flights between LHR and SYX. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX)?
To find the cheapest airline flying from LHR to SYX, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX)?
There are no daily direct flights departing from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from LHR to SYX?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from LHR to SYX?
With 83% of journeys usually landing on schedule, China Southern Airlines has the best on-time performance for nonstop flights from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX). To monitor your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX)?
Book a flight from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX) last-minute?
Last-minute fares from LHR to SYX are generally more expensive. For the best prices, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a LHR to SYX flight and hotel package?
Booking a LHR to SYX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Phoenix Intl. Airport (SYX)?
Typically, it's possible to cancel or reschedule your LHR to SYX flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Heathrow
Destination airport
Phoenix Intl.
Airlines serving
Air China, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Hainan Airlines
Roundtrip price
$708
Distance
6040 mi

Book with confidence

London to Sanya Flights

The cheapest times to fly from London to Sanya

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Sanya are during the month of November. You can find some of the cheapest flights from London to Sanya with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Sanya

Sunday is one of the best days to book for cheap flights from London to Sanya: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Sanya

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Sanya in 2025. You can also book with separate airlines for your outbound and return journeys, from $479 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Sanya flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Sanya airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

London to Sanya Flights

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*Available to One Key members.