Cheap Flights from London (LON) to Siem Reap Angkor Intl. Airport (SAI)

View AU$729 flight on Thu, 30 Apr 2026Opens in a new window

Popular airlines from London to Siem Reap Angkor Intl. Airport (SAI)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London (LON) to Siem Reap Angkor Intl. Airport (SAI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sun, 24 May - Sat, 30 May
LGW
London
SAI
Siem Reap
AU$1,424 Return, found 1 day ago
AU$1,424
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, 24 May from London to Siem Reap, returning Sat, 30 May, priced at AU$1,424 found 1 day ago
Swiss International Air Lines
Wed, 25 Feb - Tue, 10 Mar
LHR
London
SAI
Siem Reap
AU$1,528 Return, found 5 days ago
AU$1,528
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 25 Feb from London to Siem Reap, returning Tue, 10 Mar, priced at AU$1,528 found 5 days ago
Lufthansa
Sun, 24 May - Sat, 30 May
LHR
London
SAI
Siem Reap
AU$1,565 Return, found 1 day ago
AU$1,565
Return
found 1 day ago
Select Lufthansa flight, departing Sun, 24 May from London to Siem Reap, returning Sat, 30 May, priced at AU$1,565 found 1 day ago
Swiss International Air Lines
Sun, 24 May - Sat, 30 May
LGW
London
SAI
Siem Reap
AU$1,675 Return, found 1 day ago
AU$1,675
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, 24 May from London to Siem Reap, returning Sat, 30 May, priced at AU$1,675 found 1 day ago
Singapore Airlines
Sat, 17 Oct - Sun, 1 Nov
LHR
London
SAI
Siem Reap
AU$1,683 Return, found 22 hours ago
AU$1,683
Return
found 22 hours ago
Select Singapore Airlines flight, departing Sat, 17 Oct from London to Siem Reap, returning Sun, 1 Nov, priced at AU$1,683 found 22 hours ago
Swiss International Air Lines
Sun, 18 Oct - Sun, 1 Nov
LHR
London
SAI
Siem Reap
AU$1,685 Return, found 22 hours ago
AU$1,685
Return
found 22 hours ago
Select Swiss International Air Lines flight, departing Sun, 18 Oct from London to Siem Reap, returning Sun, 1 Nov, priced at AU$1,685 found 22 hours ago
Emirates
Wed, 8 July - Fri, 31 July
LGW
London
SAI
Siem Reap
AU$1,700 Return, found 3 days ago
AU$1,700
Return
found 3 days ago
Select Emirates flight, departing Wed, 8 July from London to Siem Reap, returning Fri, 31 July, priced at AU$1,700 found 3 days ago
China Eastern Airlines
Sat, 17 Oct - Sat, 31 Oct
LGW
London
SAI
Siem Reap
AU$1,708 Return, found 21 hours ago
AU$1,708
Return
found 21 hours ago
Select China Eastern Airlines flight, departing Sat, 17 Oct from London to Siem Reap, returning Sat, 31 Oct, priced at AU$1,708 found 21 hours ago
Qatar Airways
Sun, 24 May - Sat, 30 May
LGW
London
SAI
Siem Reap
AU$1,801 Return, found 1 day ago
AU$1,801
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 24 May from London to Siem Reap, returning Sat, 30 May, priced at AU$1,801 found 1 day ago
British Airways
Sun, 18 Oct - Sun, 1 Nov
LHR
London
SAI
Siem Reap
AU$1,805 Return, found 22 hours ago
AU$1,805
Return
found 22 hours ago
Select British Airways flight, departing Sun, 18 Oct from London to Siem Reap, returning Sun, 1 Nov, priced at AU$1,805 found 22 hours ago

The Annual Holiday Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Travel information

Origin airport
Gatwick
Destination airport
Siem Reap Angkor Intl. Airport
Airlines serving
Air France, Austrian Airlines, British Airways, China Eastern Airlines, Emirates, Etihad Airways, Finnair, KLM, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Vietnam Airlines
Return price
AU$1,423
Distance
9767 km

Book with confidence

LON to SAI Flights

Ready to get away? Use Expedia.com.au to book cheap flights from England to Chi Kraeng AU$1,424, and have leftover money to spare on adventures and activities while you’re in town. We have the world’s largest selection of flights, not to mention lower airfares than you’ll find anywhere else on the Internet.

Our user-friendly tools make it easier than ever to book LON to SAI flights, even if you’re hoping to hop aboard one of the last-minute flights leaving today. So whether you seek a spontaneous trip to this city’s hottest attractions, or prefer to plan out every detail of your adventure ahead of time, Expedia.com.au is here to help you find exactly what you are interested in.

If you’re on the hunt for cheap flights to Chi Kraeng from England, you need not look any further. We make it simple for you to compare different airline carriers or choose the one that appeals to you most. We work with dozens of airlines in order to offer you incredible deals on business and personal travel. Start by searching through our selection of plane tickets today, and you’ll be in the sky before you know it.

LON to SAI Flights
*Available to Expedia members.