Flights from London to Siem Reap from GBP1,961*

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Book Your London to Siem Reap Flight Within the Next 90 Days

Tickets for London to Siem Reap Flights

GBP
FromToDatesFare TypePrice

London (LHR)

Siem Reap (SAI)

Depart: 20/12/2025-

Return: 03/01/2026

Round-trip/Economy

*Fares and availability are based on round trip searches for 1 passenger (1 adult) in Economy class in the last 48 hours. Fares are inclusive of tax and surcharges, and subject to availability.