Cheap flights from Siem Reap to London from £412

Cheap flights from Siem Reap to London from £412

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2 stops
Sun, Aug 23
Siem Reap SAILondon LGW

£412
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2 stops
Thu, Aug 27
Siem Reap SAILondon LGW

£414
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2 stops
Sun, Aug 23
Siem Reap SAILondon LGW

£414
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2 stops
Mon, Aug 24
Siem Reap SAILondon LHR

£414
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2 stops
Sun, Aug 23
Siem Reap SAILondon LGW

£435
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2 stops
Tue, Aug 25
Siem Reap SAILondon LGW

£435
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2 stops
Sun, Aug 23 – Fri, Aug 28
Siem Reap SAILondon LGW

£766
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2 stops
Sun, Aug 23 – Thu, Aug 27
Siem Reap SAILondon LGW

£766
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2 stops
Thu, Aug 27 – Tue, Sep 1
Siem Reap SAILondon LGW

£766
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2 stops
Thu, Aug 27 – Wed, Sep 2
Siem Reap SAILondon LGW

£769
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2 stops
Sun, Aug 23 – Fri, Aug 28
Siem Reap SAILondon LGW

£787
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2 stops
Sun, Aug 23 – Thu, Aug 27
Siem Reap SAILondon LGW

£788
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How much do flights to London cost?

Getting from London airports to the city center

London is served by six airports, each offering a variety of airport transfers to city center destinations. Heathrow Airport (LHR) lies 24 km west of central London, Gatwick Airport (LGW) is 45 km to the south, Stansted Airport (STN) sits 64 km northeast, Luton Airport (LTN) is 46 km north, London City Airport (LCY) is just 11 km east, and Southend Airport (SEN) is 64 km to the east. Transport options include express trains, the Underground, DLR, coaches, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

How to get from London Heathrow Airport (LHR) to London?

How to get from London Gatwick Airport (LGW) to London?

How to get from London Stansted Airport (STN) to London?

How to get from London Luton Airport (LTN) to London?

How to get from London City Airport (LCY) to London?

How to get from London Southend Airport (SEN) to London?

Notes:

  • Prices in GBP; table created in 2025 and subject to change.
  • Contactless and Oyster are valid on the Underground, DLR, Elizabeth line, and most National Rail services within London zones.
  • Black cabs are metered; ride-hailing prices vary with demand. Road traffic can significantly affect journey times (traffic dependent).
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to London

Depart from
Siem Reap–Angkor International Airport
Arrive to
Gatwick
Average flights per week
400
Flight distance
Worth visiting
Avebury - British Museum - Canterbury Cathedral - Isle of Wight - Natural History Museum - Portsea Island - Roman Baths, Bath - Stonehenge - St. Paul's Cathedral - Tate Modern - Tower of London

Check-in for a flight from Siem Reap to London

NameCarrier codeIATA CodePassport needed during booking
China Eastern AirlinesCESMUYes
Thai AirAsiaAIQFDNo
Air CambodiaKHVK6No
China Southern AirlinesCSNCZYes
Vietnam AirlinesHVNVNYes

Weather in London

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C3°C
March11°C4°C
April14°C5°C
May17°C8°C
June20°C11°C
July23°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C4°C
Hottest Month
23°C
July
Coldest month
2°C
January
Sunny days
282
days per year
Snow days
2
days per year

14 day forecast

Saturday
15 Aug
17%
28°C20°C
22 Aug
17%
21°C16°C
Sunday
16 Aug
28°C19°C
23 Aug
21°C14°C
Monday
17 Aug
26°C19°C
24 Aug
22°C13°C
Tuesday
18 Aug
17%
29°C18°C
25 Aug
20°C16°C
Wednesday
19 Aug
58%
24°C15°C
26 Aug
24°C17°C
Thursday
20 Aug
17%
20°C14°C
27 Aug
61%
26°C18°C
Friday
21 Aug
23°C13°C
28 Aug
21°C15°C
Book your trip to arrive at Gatwick, Heathrow, London Stansted, Luton, or London City. The most popular airlines for this route are China Eastern Airlines, Thai AirAsia, Air Cambodia, China Southern Airlines, and Vietnam Airlines. Siem Reap and London have 400 direct flights per week. When you arrive at London, consider visiting Avebury, British Museum, Canterbury Cathedral, Isle of Wight, Natural History Museum, Portsea Island, Roman Baths, Bath, Stonehenge, St. Paul's Cathedral, Tate Modern, and Tower of London.

Frequently asked questions

What are the most popular routes to and from Siem Reap?

What are the most popular routes to and from London?

What airports are near London?

Which airlines fly between Siem Reap and London?

When’s the best time to travel between Siem Reap and London?

What flights operate between Siem Reap and London?

How many airports are there near London?

What time do nonstop (direct) flights between Siem Reap and London depart?

What time do nonstop (direct) flights between Siem Reap and London arrive?

What time do flights between Siem Reap and London depart?

What time do flights between Siem Reap and London arrive?

The nearest countries with flights to London

Here is a list of countries people are flying from

Other destination countries from Siem Reap

Here is a list of countries people are flying to

Airports near Siem Reap

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