Flights tailored to your budget
- Flights from London to Siem Reap
Flight prices 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.
Choose a date to explore the best fares now.
The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.
Flying between London and Siem Reap? Consider these airports
Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.
- Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
- Airports in Siem Reap: The only active option is Siem Reap.
Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all London airports in a single search.
Plan smarter: flights from London Heathrow to Siem Reap
Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.
Other popular destinations
Travelers flying to Cambodia also checked out: Phnom Penh, Siem Reap, Sihanoukville.
Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.
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?
- Flights London Heathrow - Queenstown
- Flights London Heathrow - Mahe
- Flights London Heathrow - Brindisi
- Flights London Heathrow - Manila
- Flights London Heathrow - Ahmedabad
- Flights London Heathrow - Mauritius
- Flights London Heathrow - Rome Fiumicino
- Flights London Heathrow - New York LaGuardia
- Flights London Heathrow - Helsinki
- Flights London Heathrow - Tartu
- Flights London Heathrow - Hamilton International
- Flights London Heathrow - Budapest
- Flights London Heathrow - Beirut
- Flights London Heathrow - Málaga
- Flights London Heathrow - Tokyo Haneda
