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 22h 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.

£461+ 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.

Cheapest

Best

Last-minute

One-way

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 15 September 2026.

Thu 12/1113:30 -

2 stops43h 30m

Mon 30/1116:50 -

2 stops31h 50m

Deal found 12/9£728

Mon 9/1118:15 -

2 stops32h 40m

Mon 23/1116:50 -

2 stops22h 50m

Deal found 11/9£729

Tue 22/909:15 -

2 stops27h 40m

Thu 22/1009:40 -

2 stops29h 00m

Deal found 12/9£730

Tue 22/913:10 -

2 stops23h 45m

Wed 21/1009:40 -

2 stops29h 00m

Deal found 11/9£730

Wed 23/913:10 -

2 stops23h 45m

Wed 21/1009:40 -

2 stops39h 00m

Deal found 15/9£733

Thu 26/1113:30 -

2 stops22h 00m

Fri 4/1216:50 -

2 stops25h 50m

Deal found 12/9£736

Tue 22/909:15 -

2 stops27h 40m

Tue 20/1010:30 -

2 stops28h 10m

Deal found 12/9£762

Wed 23/913:10 -

2 stops23h 45m

Tue 20/1010:30 -

2 stops28h 10m

Deal found 11/9£762

Thu 24/909:15 -

2 stops27h 40m

Thu 22/1009:40 -

2 stops29h 00m

Deal found 12/9£788

Thu 24/909:15 -

2 stops27h 40m

Wed 21/1009:40 -

2 stops29h 00m

Deal found 11/9£788

Find flight deals from London City to Siem Reap

Round-trip from	£697
One-way from	£461
Popular in	December
Cheapest in	July
Average price	£768

SWISS
16/2-2/3
4 total stops
49h 20m total
London to Siem Reap

Search Deals

SWISS
8/12-31/12
2 total stops
33h 10m total
London to Siem Reap

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£44 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 September 2026

Search Deals

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

Tue 8/12

19:05-15:00

3 stops36h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£467

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Sat 31/10

12:20-15:00

3 stops43h 40m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£502

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Wed 20/1

15:00-21:45

3 stops23h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£505

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Sun 14/2

17:15-09:55

2 stops33h 40m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£507

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Thu 15/10

19:15-14:50

3 stops37h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£518

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Fri 15/1

19:30-09:15

2 stops30h 45m

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

Wed 23/9

13:10-18:55

2 stops23h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£537

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Mon 21/9

13:10-21:30

3 stops26h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£543

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Sun 14/2

19:25-09:15

3 stops30h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£553

Fastest return journey

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Sat 28/11

12:20-18:30

2 stops23h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£565

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 22 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 22h 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.

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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 £461

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. 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 15 September 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 15 September 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 15 September 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 15 September 2026.

Last-minute flights from London City to Siem ReapDiscover last-minute flight deals from London City to Siem Reap. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from London City to Siem Reap. Data last updated 15 September 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 15 September 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 15 September 2026.

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

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 15 September 2026.

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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 15 September 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 15 September 2026.

Last-minute flights from London City to Siem Reap
Discover last-minute flight deals from London City to Siem Reap. Data last updated 15 September 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 15 September 2026.