Cheap Flights from London to Siem Reap Starting at $402

Helping travelers to find the best flight offers

Cheapest flights from London to Siem Reap

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from London to Siem Reap. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Airfare from London to Siem Reap by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from London to Siem Reap

August 2025
Lowest price
on average:
$465
  • Avg Price

Airlines operating on route

Starting at $402

Starting at $419

Starting at $437

Starting at $511

Starting at $555

Direct Flights from London to Siem Reap

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There appear to be no direct flights from London to Siem Reap at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from London to Siem Reap

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from London to Siem Reap:

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Unable to find information about the schedule of direct flights from

London airports overview

STN
Ryanair
Mokulele Airlines
Airlines flying to this airport
$402
Starting at
$460-21%
on average
LGW
Turkmenistan Airlines
Wizz Air
Airlines flying to this airport
$437
Starting at
$467-19%
on average
LCY
British Airways
Airlines flying to this airport
$555
Starting at
$555
on average

Siem Reap airports overview

SAI
+2
Wizz Air
Ryanair
Mokulele Airlines
Airlines flying to this airport
$402
Starting at
$468
on average

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from London to Siem Reap?

The cheapest flight ticket from London to Siem Reap according to data for the last 48 hours costs $402

When is the best time to buy air tickets on the route London — Siem Reap?

Often the best time to buy tickets from London to Siem Reap is 2 months before departure.

When is the cheapest time of year to fly from London to Siem Reap?

Based on statistics over the past years, the lowest prices for flights from London to Siem Reap can be found flying in these months: August.

How long does it take to fly from London to Siem Reap?

The fastest flights from London to Siem Reap start from 1 hour in the air.

Which airline can fly direct from London to Siem Reap?

The following airlines operate direct flights on the route London — Siem Reap:

Special offers and sales on air tickets from London to Siem Reap

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

Alternative routes