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- 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.
Airport options between London and Siem Reap
Even for routes around 9804 km, using different airports might affect flight cost and travel time.
- Airports in London: You can fly from 6 airports in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
- Airports in Siem Reap: Siem Reap is the only functioning airport.
Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.
Adjust your flight filters for London Heathrow – Siem Reap
Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.
Other popular destinations
Planning a trip to Cambodia? These cities are popular too: Phnom Penh, Siem Reap, Sihanoukville.
Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.
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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