How much is 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.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the London - Siem Reap route.

Which airports serve London and Siem Reap?

When planning a trip of about 9781 km, it's a good idea to check flights from surrounding airports too.

• Airports in London: London is connected to 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
• Airports in Siem Reap: The only active airport in Siem Reap is Siem Reap.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Find flights from London to Siem Reap that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in Cambodia? These cities are also in demand: Phnom Penh, Siem Reap, Sihanoukville.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.