Cheap flights from Siem Reap, Cambodia to London, United Kingdom

Flights starting at £306. Choose between Thai AirAsia, China Eastern Airlines, or China Southern Airlines to find the best price.

One search, all the flights

We find you the best flight deals and travel hacks so that you can choose how to book.

Rise above all travel anxieties

With the Kiwi.com Guarantee we have your back with whatever happens.

Trusted by millions

Join over 10 million yearly travellers booking with ease.

How much do flights to London cost?

Key info about flying to London

Depart from
Siem Reap–Angkor International Airport
Arrive to
Gatwick
Average flights per week
401
Flight distance
Worth visiting
St. Paul's Cathedral - Roman Baths, Bath - British Museum - Isle of Wight - Stonehenge - Portsea Island - Tate Modern - Tower of London - Canterbury Cathedral - Natural History Museum - Avebury

Check-in for a flight from Siem Reap to London

NameCarrier codeIATA CodePassport needed during booking
Thai AirAsiaAIQFDNo
China Eastern AirlinesCESMUYes
China Southern AirlinesCSNCZYes
AirAsiaAXMAKNo
easyJetEZYU2Yes

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
July22°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C3°C
Hottest Month
22°C
July
Coldest month
2°C
January
Sunny days
277
days per year
Snow days
3
days per year

14 day forecast

Saturday
30 Nov
12°C8°C
7 Dec
9°C6°C
Sunday
1 Dec
86%
14°C10°C
8 Dec
6°C4°C
Monday
2 Dec
87%
9°C6°C
9 Dec
80%
9°C4°C
Tuesday
3 Dec
72%
7°C4°C
10 Dec
9°C6°C
Wednesday
4 Dec
7°C6°C
11 Dec
9°C5°C
Thursday
5 Dec
74%
13°C8°C
12 Dec
9°C9°C
Friday
6 Dec
14°C9°C
13 Dec
69%
10°C7°C
Book your trip to arrive at Gatwick, Heathrow, London Stansted, Luton, or London City. The most popular airlines for this route are Thai AirAsia, China Eastern Airlines, China Southern Airlines, AirAsia, and easyJet. Siem Reap and London have 401 direct flights per week. When you arrive at London, consider visiting St. Paul's Cathedral, Roman Baths, Bath, British Museum, Isle of Wight, Stonehenge, Portsea Island, Tate Modern, Tower of London, Canterbury Cathedral, Natural History Museum, and Avebury.

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 Siem Reap?
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 Siem Reap?
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?

Explore alternative trips

Flights from Siem Reap

Flights to London

Popular routes

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
Find the best connection from Siem Reap to London
Search flights

Get more out of Kiwi.com with our mobile application

Download boarding passes

One-click booking

Get exclusive offers and prices

Mobile trip notifications

We hack the system,
you fly for less