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

Austrian Airlines, Vietnam Airlines, 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 58% 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.

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 15m and 20h 18m, respectively.

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 July 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.

£322 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

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:50 - 18:55

LHR

SAI

19h 05m

2 stops

09:40 - 21:45

SAI

LHR

18h 05m

2 stops

£567Multiple Airlines

Wed, 9 Sep - Wed, 23 Sep

18:40 - 09:50

LHR

SAI

32h 10m

2 stops

09:55 - 21:40

SAI

LHR

18h 45m

2 stops

£589SWISS

Tue, 24 Nov - Fri, 4 Dec

12:20 - 18:55

LHR

SAI

24h 35m

2 stops

09:40 - 21:45

SAI

LHR

18h 05m

2 stops

£593Multiple Airlines

Tue, 8 Sep - Tue, 22 Sep

12:10 - 18:55

LHR

SAI

24h 45m

2 stops

09:40 - 21:45

SAI

LHR

18h 05m

2 stops

£595SWISS

Thu, 10 Sep - Wed, 23 Sep

17:30 - 09:50

LHR

SAI

33h 20m

2 stops

19:25 - 10:25

SAI

LHR

22h 00m

2 stops

£622Lufthansa

Wed, 28 Oct - Sun, 8 Nov

10:30 - 21:00

LGW

SAI

27h 30m

3 stops

22:00 - 06:30

SAI

LGW

39h 30m

2 stops

£670China Eastern

Mon, 9 Nov - Sat, 21 Nov

14:05 - 21:10

STN

SAI

24h 05m

2 stops

13:20 - 12:05

SAI

STN

29h 45m

2 stops

£767Emirates

Wed, 25 Nov - Wed, 16 Dec

20:15 - 21:10

STN

SAI

41h 55m

2 stops

13:20 - 12:05

SAI

STN

29h 45m

2 stops

£770Emirates

Tue, 1 Dec - Wed, 16 Dec

19:55 - 09:15

MAN

SAI

30h 20m

2 stops

13:20 - 12:15

SAI

MAN

29h 55m

2 stops

£809Etihad Airways

Wed, 4 Nov - Wed, 11 Nov

19:55 - 12:40

MAN

SAI

33h 45m

2 stops

13:20 - 06:15

SAI

MAN

23h 55m

2 stops

£816Etihad Airways

Wed, 4 Nov - Wed, 11 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Qatar Airways flights from England to Siem Reap

Our best Qatar Airways deals on England to Siem Reap flight tickets

Qatar Airways

23 Oct

EDI07:55Edinburgh Turnhouse

22h 20m

2 stops

SAI12:15Siem Reap–Angkor Intl

28 Oct

SAI19:25Siem Reap–Angkor Intl

24h 10m

2 stops

EDI12:35Edinburgh Turnhouse

£1,152

Qatar Airways

17 Jan

MAN07:45Manchester

18h 30m

2 stops

SAI09:15Siem Reap–Angkor Intl

1 Feb

SAI13:20Siem Reap–Angkor Intl

30h 00m

2 stops

MAN12:20Manchester

£1,204

SWISS flights from England to Siem Reap

Our best SWISS deals on England to Siem Reap flight tickets

SWISS

24 Nov

LHR18:40London Heathrow

32h 10m

2 stops

SAI09:50Siem Reap–Angkor Intl

4 Dec

SAI09:55Siem Reap–Angkor Intl

18h 45m

2 stops

LHR21:40London Heathrow

£589

SWISS

10 Sept

LHR12:10London Heathrow

24h 45m

2 stops

SAI18:55Siem Reap–Angkor Intl

23 Sept

SAI09:40Siem Reap–Angkor Intl

18h 05m

2 stops

LHR21:45London Heathrow

£595

SWISS

21 Nov

LHR18:40London Heathrow

32h 10m

2 stops

SAI09:50Siem Reap–Angkor Intl

2 Dec

SAI09:55Siem Reap–Angkor Intl

29h 10m

2 stops

LHR08:05London Heathrow

£602

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Wed 9/9

17:50-18:55

2 stops19h 05m

Siem Reap–Angkor Intl

Wed 23/9

09:40-21:45

2 stops18h 05m

£567

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 24/11

18:40-09:50

2 stops32h 10m

Siem Reap–Angkor Intl

Fri 4/12

09:55-21:40

2 stops18h 45m

£589

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Tue 8/9

12:20-18:55

2 stops24h 35m

Siem Reap–Angkor Intl

Tue 22/9

09:40-21:45

2 stops18h 05m

£593

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Thu 10/9

12:10-18:55

2 stops24h 45m

Siem Reap–Angkor Intl

Wed 23/9

09:40-21:45

2 stops18h 05m

£595

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Wed 28/10

17:30-09:50

2 stops33h 20m

Siem Reap–Angkor Intl

Sun 8/11

19:25-10:25

2 stops22h 00m

£622

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Mon 9/11

10:30-21:00

3 stops27h 30m

Siem Reap–Angkor Intl

Sat 21/11

22:00-06:30

2 stops39h 30m

£670

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 25/11

14:05-21:10

2 stops24h 05m

Siem Reap–Angkor Intl

Wed 16/12

13:20-12:05

2 stops29h 45m

£767

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Tue 1/12

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Wed 16/12

13:20-12:05

2 stops29h 45m

£770

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Wed 4/11

19:55-09:15

2 stops30h 20m

Siem Reap–Angkor Intl

Wed 11/11

13:20-12:15

2 stops29h 55m

£809

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Wed 4/11

19:55-12:40

2 stops33h 45m

Siem Reap–Angkor Intl

Wed 11/11

13:20-06:15

2 stops23h 55m

£816

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 £656. If you don’t want to visit Siem Reap in June, then you should wait until September to fly from England, when ticket prices are also cheap, with an average price of £693.

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

You could potentially save up to 53% 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 15m
Direct flights	None

The fastest flight from England to Siem Reap takes 17h 15m

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 6 as of July 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 £539	Free Cancellation	Rating 7.6 950 reviews	Search Austrian Airlines flights
Etihad Airways	PriceFrom £547	Free Cancellation	Rating 7.3 1,484 reviews	Search Etihad Airways flights
Vietnam Airlines	PriceFrom £616	Free Cancellation	Rating 7.7 280 reviews	Search Vietnam Airlines flights
Singapore Airlines	PriceFrom £663	Free Cancellation	Rating 8.2 1,576 reviews	Search Singapore Airlines flights
Emirates	PriceFrom £851	Free Cancellation	Rating 8.1 3,632 reviews	Search Emirates flights
Thai Airways	PriceFrom £888	Free Cancellation	Rating 7.9 411 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 20/8

Thu 27/8

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

Airlines

Cabin classes

Other Cambodia destinations

Other flights from England

Complete your trip

Feeling lucky

Fly your favourite airline to Siem Reap

Cheap flights from England to Siem Reap from £322

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 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from England to Siem Reap

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Qatar Airways flights from England to Siem Reap

Our best Qatar Airways 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

momondo Fare Finder

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

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.

Popular Cities in Cambodia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from England

According to popular flight searches on momondo this year

Complete your trip to Siem Reap

Explore popular destinations other users love

According to popular flight searches on momondo this year