How long does it take to fly to Siem Reap?

If you’re flying from a popular airport in England, such as Birmingham or London, and flying into Siem Reap, then you can expect flight times to average 17h 45m and 19h 33m, respectively.

Which airlines fly to Siem Reap?

Singapore Airlines, Vietnam Airlines and Emirates 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 61% of people opting to fly with this airline when travelling to Siem Reap. Keep in mind that there are 6 different airlines that fly to Siem Reap on a routine basis, so you have a few additional options to choose from.

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

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

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 6 as of March 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.

£313 Cheap Flights from England to Siem Reap in 2026

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Find the cheapest flights from England to Siem Reap

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:35 - 08:45

LGW

SAI

39h 10m

2 stops

21:10 - 15:00

SAI

LGW

47h 50m

3 stops

£543Multiple Airlines

Wed, 15 Apr - Wed, 10 Jun

21:20 - 08:45

LHR

SAI

29h 25m

2 stops

21:10 - 18:40

SAI

LHR

27h 30m

2 stops

£571Multiple Airlines

Wed, 15 Apr - Wed, 10 Jun

11:35 - 20:10

LGW

SAI

26h 35m

3 stops

21:10 - 15:00

SAI

LGW

47h 50m

3 stops

£573China Eastern

Thu, 4 Jun - Wed, 10 Jun

13:50 - 18:45

LHR

SAI

22h 55m

2 stops

09:40 - 21:45

SAI

LHR

18h 05m

2 stops

£586SWISS

Tue, 2 Jun - Tue, 9 Jun

08:45 - 18:45

LHR

SAI

28h 00m

2 stops

09:40 - 21:45

SAI

LHR

18h 05m

2 stops

£597SWISS

Sun, 31 May - Tue, 9 Jun

21:20 - 20:10

LHR

SAI

64h 50m

3 stops

21:10 - 18:40

SAI

LHR

27h 30m

2 stops

£602China Eastern

Tue, 19 May - Wed, 17 Jun

07:25 - 18:45

LHR

SAI

29h 20m

2 stops

10:30 - 17:40

SAI

LHR

37h 10m

2 stops

£606Lufthansa

Mon, 1 Jun - Mon, 8 Jun

06:55 - 18:45

LHR

SAI

29h 50m

2 stops

10:30 - 17:40

SAI

LHR

37h 10m

2 stops

£607Lufthansa

Mon, 1 Jun - Mon, 8 Jun

09:20 - 12:15

MAN

SAI

20h 55m

2 stops

19:30 - 13:00

SAI

MAN

23h 30m

2 stops

£733Etihad Airways

Tue, 7 Apr - Wed, 22 Apr

09:20 - 09:00

MAN

SAI

17h 40m

2 stops

09:40 - 06:55

SAI

MAN

27h 15m

2 stops

£755Etihad Airways

Sat, 2 May - Sat, 16 May

China Eastern flights from England to Siem Reap

Our best China Eastern deals on England to Siem Reap flight tickets

China Eastern

4 Jun

LGW11:35London Gatwick

26h 35m

3 stops

SAI20:10Siem Reap–Angkor Intl

10 Jun

SAI21:10Siem Reap–Angkor Intl

47h 50m

3 stops

LGW15:00London Gatwick

£573

China Eastern

19 May

LHR21:20London Heathrow

64h 50m

3 stops

SAI20:10Siem Reap–Angkor Intl

17 Jun

SAI21:10Siem Reap–Angkor Intl

27h 30m

2 stops

LHR18:40London Heathrow

£602

China Eastern

1 Jun

LGW18:00London Gatwick

44h 10m

3 stops

SAI20:10Siem Reap–Angkor Intl

10 Jun

SAI21:10Siem Reap–Angkor Intl

47h 50m

2 stops

LGW15:00London Gatwick

£622

SWISS flights from England to Siem Reap

Our best SWISS deals on England to Siem Reap flight tickets

SWISS

2 Jun

LHR13:50London Heathrow

22h 55m

2 stops

SAI18:45Siem Reap–Angkor Intl

9 Jun

SAI09:40Siem Reap–Angkor Intl

18h 05m

2 stops

LHR21:45London Heathrow

£586

SWISS

31 May

LHR08:45London Heathrow

28h 00m

2 stops

SAI18:45Siem Reap–Angkor Intl

9 Jun

SAI09:40Siem Reap–Angkor Intl

18h 05m

2 stops

LHR21:45London Heathrow

£597

SWISS

31 May

LHR08:45London Heathrow

28h 00m

2 stops

SAI18:45Siem Reap–Angkor Intl

9 Jun

SAI09:40Siem Reap–Angkor Intl

18h 05m

2 stops

LHR21:45London Heathrow

£599

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Wed 15/4

11:35-08:45

2 stops39h 10m

Siem Reap–Angkor Intl

Wed 10/6

21:10-15:00

3 stops47h 50m

£543

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Wed 15/4

21:20-08:45

2 stops29h 25m

Siem Reap–Angkor Intl

Wed 10/6

21:10-18:40

2 stops27h 30m

£571

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Thu 4/6

11:35-20:10

3 stops26h 35m

Siem Reap–Angkor Intl

Wed 10/6

21:10-15:00

3 stops47h 50m

£573

Fastest return journey

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 2/6

13:50-18:45

2 stops22h 55m

Siem Reap–Angkor Intl

Tue 9/6

09:40-21:45

2 stops18h 05m

£586

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Sun 31/5

08:45-18:45

2 stops28h 00m

Siem Reap–Angkor Intl

Tue 9/6

09:40-21:45

2 stops18h 05m

£597

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 19/5

21:20-20:10

3 stops64h 50m

Siem Reap–Angkor Intl

Wed 17/6

21:10-18:40

2 stops27h 30m

£602

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 1/6

07:25-18:45

2 stops29h 20m

Siem Reap–Angkor Intl

Mon 8/6

10:30-17:40

2 stops37h 10m

£606

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Mon 1/6

06:55-18:45

2 stops29h 50m

Siem Reap–Angkor Intl

Mon 8/6

10:30-17:40

2 stops37h 10m

£607

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Tue 7/4

09:20-12:15

2 stops20h 55m

Siem Reap–Angkor Intl

Wed 22/4

19:30-13:00

2 stops23h 30m

£733

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Sat 2/5

09:20-09:00

2 stops17h 40m

Siem Reap–Angkor Intl

Sat 16/5

09:40-06:55

2 stops27h 15m

£755

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

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Other information

What is the cheapest month to fly to Siem Reap?

The month of September is, on average, the cheapest month to fly to Siem Reap from England, with most prices found around £696. If you don’t want to visit Siem Reap in September, then you should wait until January to fly from England, when ticket prices are also cheap, with an average price of £756.

How far in advance should I book a flight to Siem Reap?

You are more likely to see cheaper flights to Siem Reap from England when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around £813 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from England for as low as £673 on momondo.

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

You could potentially save up to 16% 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

Fastest flight time	17h 35m
Direct flights	None

The fastest flight from England to Siem Reap takes 17h 35m

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

Search flight deals

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 6 as of March 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 £548	Free Cancellation	Rating 7.6 900 reviews	Search Austrian Airlines flights
Lufthansa	PriceFrom £607	Free Cancellation	Rating 6.8 7,857 reviews	Search Lufthansa flights
Vietnam Airlines	PriceFrom £626	Free Cancellation	Rating 7.7 241 reviews	Search Vietnam Airlines flights
Singapore Airlines	PriceFrom £674	Free Cancellation	Rating 8.2 1,479 reviews	Search Singapore Airlines flights
Thai Airways	PriceFrom £872	Free Cancellation	Rating 7.8 392 reviews	Search Thai Airways flights
Emirates	PriceFrom £910	Free Cancellation	Rating 8.1 3,543 reviews	Search Emirates 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 £313

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 27/5. 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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China Eastern flights from England to Siem Reap

Our best China Eastern deals on England to Siem Reap flight tickets

SWISS flights from England to Siem Reap

Our best SWISS deals on England to Siem Reap flight tickets

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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?

How far in advance should I book a flight 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

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

Fastest flight time

Direct flights

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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