Flights from London to Siem Reap: Best prices, time to go and all you need to know

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Siem Reap

Route details

9786 km

Distance

Weather now

🌦

+84°F

Rain

Airports

REP

6km

Select dates to see flight prices to Siem Reap

Pick your travel dates to get the cheapest live flight prices to Siem Reap:

December

2025

Flight prices from London to Siem Reap

You can usually book a return flight from London to Siem Reap for that amount:

No data yet

Cheap

Average price

Expensive

We don’t have sufficient data yet to display price ranges. Make a search to get live prices instead.

Which is the cheapest month to fly to Siem Reap?

Here are approximate min and max prices for London to Siem Reap flight (one-way) at the moment:

We don’t have data for this route yet. Try searching different months by clicking on them below and get a feeling of when it’s best to fly for you.

Is Siem Reap an expensive destination?

We have compared flights from London to Siem Reap with other routes:

Not enough data

Price per kilometer: -- $ / km

Unfortunately we don’t yet have enough data for this route to tell if it’s expensive or not.

Direct flights from London to Siem Reap

We could not found any direct flights to Siem Reap, if you are flying from London. Perhaps try selecting a different origin or search for direct flights to the whole country (Cambodia).

Not enought data yet

Airports in Siem Reap and London

Siem Reap has 1 airport and London has 10 airports.

Siem Reap

London

Siem Reap International Airport (REP)

6 km from Siem Reap city center.

🚕

Taxi

🚌

Bus

🚆

Train

🚍

Shuttle

🚇

Subway

Which airport in Siem Reap is better?

The closest airport to Siem Reap city center is Siem Reap International Airport (REP) with 6 km distance.

Planning a trip from London to Siem Reap? Check the weather

16 Days Weather Forecast

Here’s how the weather in Siem Reap looks currently:

Thu, 04 December

🌦

+84°F

Rain

5 m/s

60 %

Fri, 05 December

🌦

+84°F

Rain

3 m/s

60 %

Sat, 06 December

🌦

+81°F

Rain

3 m/s

65 %

Sun, 07 December

🌦

+79°F

Rain

4 m/s

64 %

Mon, 08 December

🌦

+77°F

Rain

3 m/s

68 %

Tue, 09 December

🌦

+77°F

Rain

3 m/s

64 %

Wed, 10 December

☁️

+77°F

Broken clouds

3 m/s

59 %

Thu, 11 December

⛅️

+77°F

Few clouds

3 m/s

61 %

Fri, 12 December

☁️

+79°F

Scattered clouds

3 m/s

67 %

Sat, 13 December

🌦

+81°F

Rain

5 m/s

68 %

Sun, 14 December

☁️

+72°F

Broken clouds

4 m/s

67 %

Mon, 15 December

☀️

+73°F

Clear sky

3 m/s

58 %

Tue, 16 December

☁️

+86°F

Scattered clouds

3 m/s

49 %

Wed, 17 December

☁️

+88°F

Broken clouds

3 m/s

51 %

Thu, 18 December

⛅️

+88°F

Few clouds

2 m/s

49 %

Fri, 19 December

⛅️

+88°F

Few clouds

4 m/s

48 %

How expensive is Siem Reap?

Siem Reap prices compared to London:

Siem Reap is in average 66% cheaper than London. The biggest difference is Sa. The smallest difference is Transport (-17%) and Clothing (-48%).

Some Price Examples (vs London):

🍔

Meal, Inexpensive Restaurant

$2.59 vs $28.42

🍽

Meal for 2 People, Mid-range Restaurant, Three-course

$28.89 vs $113.67

🍟

McMeal at McDonalds

$8.25 vs $11.37

☕

Cappuccino (regular)

$2.40 vs $5.55

🥤

Coke/Pepsi (0.33 liter bottle)

$1.38 vs $2.84

🚰

Water (0.33 liter bottle)

$0.75 vs $2.15

🥛

Milk (regular), (1 liter)

$2.93 vs $1.78

🍞

Loaf of Fresh White Bread (500g)

$1.76 vs $1.91

🥚

Eggs (regular) (12)

$2.16 vs $4.21

🧀

Local Cheese (1kg)

$20.97 vs $12.94

🍗

Chicken Fillets (1kg)

$5.15 vs $11.69

🍌

Banana (1kg)

$2.31 vs $2.08

🍷

Bottle of Wine (Mid-Range)

$13.76 vs $15.16

🍺

Domestic Beer (0.5 liter bottle)

$1.14 vs $3.50

Siem Reap in average is 66% cheaper

💵🏠🛋

The biggest difference is Salaries, Buy, Rent prices.

Common_Editorial_LON_REP

FAQ

Flying from London to Siem Reap? Here are some useful things to know:

🛬

What airports are in Siem Reap?

Siem Reap is served by 1 airport: Siem Reap International Airport. The nearest airport is Siem Reap International Airport located 6 km away.

✈️

How far is it between London and Siem Reap by plane?

Siem Reap is around 9786 km away from London.

⏰

What is the flight time from London to Siem Reap?

Typically it takes from ∞h NaNm to -∞h NaNm to fly from London to Siem Reap.

🌤️

How good the weather is in Siem Reap?

The coldest month is December with an average temperature of . The hottest month is December with an average temperature of . Right now it is +84°F and Rain in Siem Reap.

🛬

Is there a direct connection between London and Siem Reap?

No, there are no direct flights to Siem Reap if you are flying from London.

Siem Reap guide

Siem Reap themes

This is what Siem Reap is known for:

Location

Siem Reap is located in Cambodia, 9786 km away from London:

Siem Reap time zone

Siem Reap jest o 7 godziny przed London, gdzie teraz jest 16:54

🕒

16:54 (GMT +0)

Time in Siem Reap right now

Currency and exchange rate

10000 Cambodian Riel equals 2.5 United States Dollar. 100 United States Dollar equals 400595.2 Cambodian Riel.

🤑

10,000៛ = $2.50

Exchange rate

Visa to Cambodia

Visa upon arrival is required for US citizens. Allowed stay is 30 days¹.

🛂

Visa upon arrival

For US citizens

Language in Cambodia

Official language in Cambodia is Khmer. People knowledge of English is poor².

Khmer

Official language

💬

Knowledge of English

Safety

Siem Reap typically is a safe place³. Just be careful when crossing a road or using ATMs.

😳

🫤

🤔

😃

😇

Typically safe

Siem Reap pros and cons

About Avionero

Avionero is a Swedish travel planning startup located in Malmo, founded by Lars Kristensson and Anton Tyulenev.

Using our smart AI Search engine, we combine millions of flight, hotel, and activity options for your trip to Siem Reap.

4 things to know about Avionero:

We provide the most flexible search

We have the largest inventory of flights

We are not the sellers, but aggregators of flights, hotels & activities

We do not track you to raise prices

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