How long is the flight from London City Airport to Siem Reap?

Airlines like SWISS fly from London City Airport to Siem Reap in about 26h 15m. The time it takes to get you to your destination can typically vary by up to . The distance from London City Airport to Siem Reap is about 6084 mi.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

What is the cheapest time of day to fly from LCY to SAI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London City Airport to Siem Reap as you normally would.

What airport do you fly into for flights to Siem Reap from London City?

Most people fly into Siem Reap–Angkor Intl (SAI) if they book a flight to Siem Reap from London City. On average, Siem Reap–Angkor Intl has 0 inbound flights from London City per day from 0 airlines. Siem Reap–Angkor Intl is conveniently located just 24.7 mi from Siem Reap’s city center.

Can I find deals for flights from London City to Siem Reap that include hotel bookings?

Yes. In addition to deals on London City to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London City to Siem Reap?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Siem Reap.

Can I find deals for business class flights from London City to Siem Reap?

Yes. Cheapflights offers flight deals from London City to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£459+ Cheap Flights from London City Airport to Siem Reap, Cambodia

Cheap flight deals from London City to Siem Reap

Enter your travel dates to find the best prices.

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Cheapest flights from London City to Siem Reap
Explore the most affordable flight options available from London City to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Thu 3/1209:15 -

2 stops26h 15m

Wed 16/1209:55 -

2 stops29h 45m

Deal found 25/10£702

Thu 3/1209:15 -

2 stops26h 15m

Mon 21/1216:50 -

2 stops22h 50m

Deal found 27/10£748

Thu 3/1209:15 -

2 stops26h 15m

Mon 14/1209:55 -

2 stops38h 10m

Deal found 28/10£753

Thu 3/1213:25 -

2 stops22h 05m

Fri 11/1209:55 -

2 stops32h 45m

Deal found 26/10£792

Mon 9/1119:05 -

2 stops40h 25m

Mon 30/1119:25 -

2 stops48h 25m

Deal found 27/10£875

Wed 18/1109:50 -

2 stops41h 05m

Wed 25/1109:50 -

2 stops29h 50m

Deal found 25/10£879

Find flight deals from London City to Siem Reap

Round-trip from	£702
One-way from	£459
Popular in	December
Cheapest in	July
Average price	£767

SWISS
3/12-16/12
4 total stops
56h 00m total
London to Siem Reap

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SWISS
26/1-31/12
2 total stops
26h 30m total
London to Siem Reap

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£50 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London City Airport to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Wed 11/11

13:25-11:05

3 stops38h 40m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£487

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Wed 9/12

09:15-16:05

3 stops47h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£488

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Wed 27/1

09:15-18:45

2 stops26h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£495

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Sun 24/1

13:25-09:15

3 stops36h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£519

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Fri 22/1

13:25-18:45

2 stops22h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£551

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Thu 21/1

09:15-18:45

2 stops26h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£551

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Wed 9/12

09:15-18:30

2 stops26h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£630

Fastest return journey

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Thu 12/11

13:25-18:30

2 stops22h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£633

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Thu 3/12

09:15-18:30

2 stops26h 15m

Siem Reap–Angkor Intl

Wed 16/12

09:55-08:40

2 stops29h 45m

£702

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Sat 28/11

09:25-18:30

2 stops26h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£714

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from London City to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from London City with our price prediction graph.

LCY-SAI

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Siem Reap from London City?
Most people fly into Siem Reap–Angkor Intl (SAI) if they book a flight to Siem Reap from London City. On average, Siem Reap–Angkor Intl has 0 inbound flights from London City per day from 0 airlines. Siem Reap–Angkor Intl is conveniently located just 24.7 mi from Siem Reap’s city center.
How long is the flight from London City Airport to Siem Reap?
Airlines like SWISS fly from London City Airport to Siem Reap in about 26h 15m. The time it takes to get you to your destination can typically vary by up to . The distance from London City Airport to Siem Reap is about 6084 mi.
Can I find deals for flights from London City to Siem Reap that include hotel bookings?
Yes. In addition to deals on London City to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London City to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Siem Reap.
Can I find deals for business class flights from London City to Siem Reap?
Yes. Cheapflights offers flight deals from London City to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights makes it easy to find London City to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London City to Siem Reap?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London City to Siem Reap.

Can Cheapflights find flights from London City to Siem Reap with no change fees?

Need flexible booking options for your flight to Siem Reap from London City? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London City to Siem Reap become cheaper?

Yes, Cheapflights offers price alerts on London City to Siem Reap flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London City Airport to Siem Reap, Cambodia from £459

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London City to Siem Reap

Cheapest flights from London City to Siem ReapExplore the most affordable flight options available from London City to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from London City to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from London City to Siem ReapDiscover carefully curated flight deals from London City to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from London City to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from London City to Siem ReapDiscover last-minute flight deals from London City to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from London City to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

One-way flights from London City to Siem ReapSearch for one-way flight options from London City to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from London City to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

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Best time to book a flight from London City to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from London City with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Siem Reap from London City?

How long is the flight from London City Airport to Siem Reap?

Can I find deals for flights from London City to Siem Reap that include hotel bookings?

How can I find direct flights from London City to Siem Reap?

Can I find deals for business class flights from London City to Siem Reap?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London City to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Siem Reap by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from London City to Siem Reap by cabin class

Find flights from London City to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London City and Siem Reap flights

Browse other London City and Siem Reap flight options. Last updated on 30 October 2026.

Other flights from London City

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How does Cheapflights help users find flights from London City to Siem Reap?

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Can Cheapflights notify me if prices for flights from London City to Siem Reap become cheaper?

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Cheapest flights from London City to Siem Reap
Explore the most affordable flight options available from London City to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from London City to Siem Reap
Discover carefully curated flight deals from London City to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from London City to Siem Reap
Discover last-minute flight deals from London City to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

One-way flights from London City to Siem Reap
Search for one-way flight options from London City to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.