What’s the cost of a flight from London to Siem Reap?

Prices vary based on date, airline, and availability. Compare several options if you're flying between London and Siem Reap.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

What are the airport options between London and Siem Reap?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in Siem Reap: Siem Reap has one airport operating, Siem Reap.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Match your flight search to your preferences: London – Siem Reap

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from the best airlines and travel agencies.

Other popular destinations

Thinking about traveling to Cambodia? Other users also viewed: Phnom Penh, Siem Reap, Sihanoukville.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.