How long does it take to fly to Siem Reap?

If you’re flying from a popular airport in England, such as London or Birmingham, and flying into Siem Reap, then you can expect flight times to average 17h 55m and 18h, respectively.

What is the cheapest airline that flies from England to Siem Reap–Angkor Intl?

Etihad Airways, Lufthansa, and SWISS are the most popular carriers operating from England to Siem Reap–Angkor Intl

Which airlines fly to Siem Reap?

Singapore Airlines, Vietnam Airlines and Thai Airways are the top three most popular airlines that fly to Siem Reap from England according to our data. Singapore Airlines is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Siem Reap. Keep in mind that there are 5 different airlines that fly to Siem Reap on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from England to Siem Reap–Angkor Intl Airport?

Prices for flights from England to Siem Reap–Angkor Intl Airport were last updated today.

How many operators does momondo search for flights from England to Siem Reap–Angkor Intl Airport?

The number of operators available for flights from England to Siem Reap–Angkor Intl Airport is 5 as of September 2026.

How old do you have to be to fly from England to Siem Reap–Angkor Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from England to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£326 Cheap Flights from England to Siem Reap in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from England to Siem Reap

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11:15 - 17:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

23h 55m2 stops Shanghai Pu Dong Hanoi Noibai

18:05 - 06:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

42h 50m2 stops Hanoi Noibai Shanghai Pu Dong

£556Multiple Airlines

Wed, 23 Sep - Wed, 21 Oct

11:15 - 17:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

23h 55m2 stops Shanghai Pu Dong Hanoi Noibai

17:20 - 06:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

43h 35m3 stops Luang Prabang Hanoi Noibai Shanghai Pu Dong

£564Multiple Airlines

Wed, 23 Sep - Wed, 21 Oct

06:00 - 18:30LHR London Heathrow-SAI Siem Reap–Angkor Intl

29h 30m2 stops Vienna Intl Bangkok Suvarnabhumi

09:55 - 14:05SAI Siem Reap–Angkor Intl-LHR London Heathrow

35h 10m2 stops Bangkok Suvarnabhumi Vienna Intl

£610Austrian Airlines

Thu, 3 Dec - Mon, 14 Dec

06:00 - 18:30LHR London Heathrow-SAI Siem Reap–Angkor Intl

29h 30m2 stops Vienna Intl Bangkok Suvarnabhumi

19:25 - 08:20SAI Siem Reap–Angkor Intl-LHR London Heathrow

19h 55m2 stops Bangkok Suvarnabhumi Vienna Intl

£624Austrian Airlines

Thu, 3 Dec - Mon, 14 Dec

18:55 - 18:20LHR London Heathrow-SAI Siem Reap–Angkor Intl

17h 25m1 stop Ho Chi Minh City

22:35 - 16:55SAI Siem Reap–Angkor Intl-LHR London Heathrow

24h 20m1 stop Ho Chi Minh City

£718Vietnam Airlines

Thu, 1 Oct - Wed, 14 Oct

18:55 - 18:20LHR London Heathrow-SAI Siem Reap–Angkor Intl

17h 25m1 stop Ho Chi Minh City

22:35 - 16:55SAI Siem Reap–Angkor Intl-LHR London Heathrow

24h 20m1 stop Ho Chi Minh City

£718Vietnam Airlines

Thu, 1 Oct - Wed, 14 Oct

13:05 - 16:00LGW London Gatwick-SAI Siem Reap–Angkor Intl

19h 55m1 stop Singapore Changi

10:45 - 09:05SAI Siem Reap–Angkor Intl-LGW London Gatwick

29h 20m1 stop Singapore Changi

£728Singapore Airlines

Fri, 20 Nov - Fri, 22 Jan

09:20 - 09:55LGW London Gatwick-SAI Siem Reap–Angkor Intl

17h 35m1 stop Singapore Changi

10:45 - 09:05SAI Siem Reap–Angkor Intl-LGW London Gatwick

29h 20m1 stop Singapore Changi

£729Singapore Airlines

Mon, 1 Feb - Thu, 11 Feb

08:15 - 14:25MAN Manchester-SAI Siem Reap–Angkor Intl

47h 10m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl

09:55 - 12:15SAI Siem Reap–Angkor Intl-MAN Manchester

33h 20m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

£772Etihad Airways

Wed, 4 Nov - Wed, 11 Nov

08:15 - 14:25MAN Manchester-SAI Siem Reap–Angkor Intl

47h 10m2 stops Abu Dhabi Zayed Intl Phnom Penh Techo Intl

09:55 - 12:15SAI Siem Reap–Angkor Intl-MAN Manchester

33h 20m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

£775Etihad Airways

Wed, 4 Nov - Wed, 11 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:15 - 17:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

23h 55m2 stops Shanghai Pu Dong Hanoi Noibai

18:05 - 06:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

42h 50m2 stops Hanoi Noibai Shanghai Pu Dong

£538Multiple Airlines

Wed, 16 Sep - Wed, 14 Oct

11:15 - 17:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

23h 55m2 stops Shanghai Pu Dong Hanoi Noibai

17:20 - 06:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

43h 35m3 stops Luang Prabang Hanoi Noibai Shanghai Pu Dong

£551Multiple Airlines

Wed, 16 Sep - Wed, 14 Oct

21:20 - 20:10LHR London Heathrow-SAI Siem Reap–Angkor Intl

40h 50m3 stops Shanghai Pu Dong Hengyang Kunming Changshui

21:10 - 18:40SAI Siem Reap–Angkor Intl-LHR London Heathrow

27h 30m2 stops Kunming Changshui Shanghai Pu Dong

£617China Eastern

Wed, 16 Sep - Wed, 14 Oct

21:20 - 20:10LHR London Heathrow-SAI Siem Reap–Angkor Intl

40h 50m3 stops Shanghai Pu Dong Hengyang Kunming Changshui

21:10 - 18:40SAI Siem Reap–Angkor Intl-LHR London Heathrow

27h 30m2 stops Kunming Changshui Shanghai Pu Dong

£638China Eastern

Wed, 16 Sep - Wed, 14 Oct

18:55 - 17:10LHR London Heathrow-SAI Siem Reap–Angkor Intl

16h 15m1 stop Hanoi Noibai

22:35 - 16:55SAI Siem Reap–Angkor Intl-LHR London Heathrow

24h 20m1 stop Ho Chi Minh City

£718Vietnam Airlines

Wed, 16 Sep - Wed, 14 Oct

18:55 - 17:10LHR London Heathrow-SAI Siem Reap–Angkor Intl

16h 15m1 stop Hanoi Noibai

22:35 - 16:55SAI Siem Reap–Angkor Intl-LHR London Heathrow

24h 20m1 stop Ho Chi Minh City

£718Vietnam Airlines

Wed, 16 Sep - Wed, 14 Oct

18:55 - 17:10LHR London Heathrow-SAI Siem Reap–Angkor Intl

16h 15m1 stop Hanoi Noibai

22:35 - 16:55SAI Siem Reap–Angkor Intl-LHR London Heathrow

24h 20m1 stop Ho Chi Minh City

£719Vietnam Airlines

Wed, 16 Sep - Wed, 14 Oct

10:00 - 09:40LGW London Gatwick-SAI Siem Reap–Angkor Intl

17h 40m1 stop Singapore Changi

10:30 - 06:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

26h 25m1 stop Singapore Changi

£1,025Singapore Airlines

Wed, 16 Sep - Wed, 14 Oct

10:00 - 09:40LGW London Gatwick-SAI Siem Reap–Angkor Intl

17h 40m1 stop Singapore Changi

10:30 - 06:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

26h 25m1 stop Singapore Changi

£1,026Singapore Airlines

Wed, 16 Sep - Wed, 14 Oct

10:35 - 09:40MAN Manchester-SAI Siem Reap–Angkor Intl

17h 05m1 stop Singapore Changi

10:30 - 09:15SAI Siem Reap–Angkor Intl-MAN Manchester

28h 45m1 stop Singapore Changi

£1,832Singapore Airlines

Wed, 16 Sep - Wed, 23 Sep

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SWISS flights from England to Siem Reap

Our best SWISS deals on England to Siem Reap flight tickets

SWISS

25 Jan

LHR18:40London Heathrow

32h 15m

2 stops

SAI09:55Siem Reap–Angkor Intl

22 Feb

SAI16:50Siem Reap–Angkor Intl

22h 15m

2 stops

LHR08:05London Heathrow

£674

SWISS

27 Jan

LCY09:15London City

26h 30m

2 stops

SAI18:45Siem Reap–Angkor Intl

11 Feb

SAI16:50Siem Reap–Angkor Intl

22h 50m

2 stops

LCY08:40London City

£697

SWISS

16 Feb

MAN18:45Manchester

32h 10m

2 stops

SAI09:55Siem Reap–Angkor Intl

8 Mar

SAI16:50Siem Reap–Angkor Intl

22h 30m

2 stops

MAN08:20Manchester

£699

Singapore Airlines flights from England to Siem Reap

Our best Singapore Airlines deals on England to Siem Reap flight tickets

Singapore Airlines

15 Jan

LGW13:05London Gatwick

19h 55m

1 stop

SAI16:00Siem Reap–Angkor Intl

26 Jan

SAI16:50Siem Reap–Angkor Intl

20h 35m

1 stop

LGW06:25London Gatwick

£759

Singapore Airlines

27 Jan

LGW09:20London Gatwick

17h 35m

1 stop

SAI09:55Siem Reap–Angkor Intl

11 Feb

SAI16:50Siem Reap–Angkor Intl

23h 15m

1 stop

LGW09:05London Gatwick

£783

Singapore Airlines

25 Jan

MAN10:05Manchester

16h 50m

1 stop

SAI09:55Siem Reap–Angkor Intl

22 Feb

SAI10:45Siem Reap–Angkor Intl

28h 50m

1 stop

MAN08:35Manchester

£894

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Wed 23/9

11:15-17:10

2 stops23h 55m

Siem Reap–Angkor Intl

Wed 21/10

18:05-06:55

2 stops42h 50m

£556

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Wed 23/9

11:15-17:10

2 stops23h 55m

Siem Reap–Angkor Intl

Wed 21/10

17:20-06:55

3 stops43h 35m

£564

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 3/12

06:00-18:30

2 stops29h 30m

Siem Reap–Angkor Intl

Mon 14/12

09:55-14:05

2 stops35h 10m

£610

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 3/12

06:00-18:30

2 stops29h 30m

Siem Reap–Angkor Intl

Mon 14/12

19:25-08:20

2 stops19h 55m

£624

Fastest return journey

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 1/10

18:55-18:20

1 stop17h 25m

Siem Reap–Angkor Intl

Wed 14/10

22:35-16:55

1 stop24h 20m

£718

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 1/10

18:55-18:20

1 stop17h 25m

Siem Reap–Angkor Intl

Wed 14/10

22:35-16:55

1 stop24h 20m

£718

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Fri 20/11

13:05-16:00

1 stop19h 55m

Siem Reap–Angkor Intl

Fri 22/1

10:45-09:05

1 stop29h 20m

£728

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Mon 1/2

09:20-09:55

1 stop17h 35m

Siem Reap–Angkor Intl

Thu 11/2

10:45-09:05

1 stop29h 20m

£729

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Wed 4/11

08:15-14:25

2 stops47h 10m

Siem Reap–Angkor Intl

Wed 11/11

09:55-12:15

2 stops33h 20m

£772

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Wed 4/11

08:15-14:25

2 stops47h 10m

Siem Reap–Angkor Intl

Wed 11/11

09:55-12:15

2 stops33h 20m

£775

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from England to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Siem Reap?

The month of June is, on average, the cheapest month to fly to Siem Reap from England, with most prices found around £652. If you don’t want to visit Siem Reap in June, then you should wait until January to fly from England, when ticket prices are also cheap, with an average price of £755.

Can stopping save me money on England to Siem Reap flights?

You could potentially save up to 13% on your flight if you consider stops on a England to Siem Reap flight.

Cheap England to Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from England to Siem Reap

Best price found	£326
Fastest flight time	15h 55m
Direct flights	None

The best one-way flight to Siem Reap from England in the past 72 hours is £326. The best return flight deal from England to Siem Reap found on momondo in the last 72 hours is £556.

The fastest flight from England to Siem Reap takes 15h 55m

There are no direct flights from England to Siem Reap. There are no popular flight routes from England to Siem Reap.

Search flight deals

Frequently asked questions about flying from England to Siem Reap

When did momondo last update prices for flights from England to Siem Reap–Angkor Intl Airport?
Prices for flights from England to Siem Reap–Angkor Intl Airport were last updated today.
How many operators does momondo search for flights from England to Siem Reap–Angkor Intl Airport?
The number of operators available for flights from England to Siem Reap–Angkor Intl Airport is 5 as of September 2026.
How old do you have to be to fly from England to Siem Reap–Angkor Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from England to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The necessary travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from England to Siem Reap

Compare and see reviews for airlines that fly from England to Siem Reap with momondo

Airline	Rating	Free Cancellation	Price
Austrian Airlines	PriceFrom £536	Free Cancellation	Rating 7.6 959 reviews	Search Austrian Airlines flights
Etihad Airways	PriceFrom £544	Free Cancellation	Rating 7.3 1,535 reviews	Search Etihad Airways flights
Vietnam Airlines	PriceFrom £613	Free Cancellation	Rating 7.7 286 reviews	Search Vietnam Airlines flights
Singapore Airlines	PriceFrom £660	Free Cancellation	Rating 8.2 1,600 reviews	Search Singapore Airlines flights
Thai Airways	PriceFrom £884	Free Cancellation	Rating 7.9 418 reviews	Search Thai Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from England to Siem Reap?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from England to Siem Reap for you.

Can I find flights from England to Siem Reap with flexible booking policies on momondo?

momondo does allow users to show only those flights to Siem Reap from England which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from England to Siem Reap?

Once all potential England to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from England to Siem Reap right now. Can momondo alert me if prices change?

Yes. momondo can track prices for England to Siem Reap flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from England to Siem Reap from £326

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from England to Siem Reap departing on 4/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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SWISS flights from England to Siem Reap

Our best SWISS deals on England to Siem Reap flight tickets

Singapore Airlines flights from England to Siem Reap

Our best Singapore Airlines deals on England to Siem Reap flight tickets

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Use the filters below to find and compare flights from England to Siem Reap that are best for you.

See travel insights to Siem Reap from

How to get the cheapest flight ticket from England to Siem Reap

What is the cheapest month to fly to Siem Reap?

Can stopping save me money on England to Siem Reap flights?

What is the cheapest airline that flies from England to Siem Reap–Angkor Intl?

Which airlines fly to Siem Reap?

How long does it take to fly to Siem Reap?

Cheap England to Siem Reap flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from England to Siem Reap

Best airlines flying from England to Siem Reap

Compare and see reviews for airlines that fly from England to Siem Reap with momondo

Why use momondo?

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

Fly your favourite airline to Siem Reap

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.

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