Flights tailored to your budget
- Flights from London to Siem Reap
How much is a flight from London Heathrow to Siem Reap?
There’s no fixed price — fares between London and Siem Reap can vary a lot by day or time.
Pick a travel date to see today’s available fares.
Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!
Which airports near London or Siem Reap offer flights?
In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.
- Airports in London: 6 airports are active - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
- Airports in Siem Reap: Siem Reap is the only airport in use at the moment.
Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.
Refine your flight search from London Heathrow to Siem Reap
With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from Expedia, eDreams, and top carriers.
Other popular destinations
Also looking at Cambodia? These cities are trending: Phnom Penh, Siem Reap, Sihanoukville.
Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.
Frequently asked questions about flights from London Heathrow to Siem Reap.
How much does an airline ticket from London Heathrow to Siem Reap cost?
How far is London from Siem Reap?
What are the airports in Siem Reap?
What are the airports in London?
What are the most popular cities in Cambodia?
When should I book a flight from London to Siem Reap?
What is the cheapest month to fly from London to Siem Reap?
What is the most expensive month to fly from London to Siem Reap?
What is the best day of the week to fly from London to Siem Reap?
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