Thai Airways flights from London to Phnom Penh (LON - PNH)
Cheapflights users flying from London to Phnom Penh on Thai Airways typically fly into Phnom Penh Pochentong and depart from London Heathrow. Select your dates above for pricing.
Thai Airways flights from London to Phnom Penh in 2025
Find detailed information about Thai Airways flights from London to Phnom Penh. Explore the options provided by Thai Airways to plan your journey from London to Phnom Penh. Data last updated 4 July 2025.
Find Thai Airways flight deals from London to Phnom Penh
Cheapest Thai Airways flights from London to Phnom PenhExplore the most affordable Thai Airways flight options available from London to Phnom Penh. Find the lowest fares with prices last updated on 4 July 2025.
Explore the most affordable Thai Airways flight options available from London to Phnom Penh. Find the lowest fares with prices last updated on 4 July 2025.
Travel insights for Thai Airways flights from London to Phnom Penh
Get recent, data-driven insights about Thai Airways flights from London to Phnom Penh including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from London to Phnom Penh with Thai Airways?
Use this chart to determine the optimal time to book a return flight from London to Phnom Penh. Price data was last updated on 27 June 2025.
Booking with Thai Airways 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Phnom Penh. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London to Phnom Penh with Thai Airways?
Currently, the most affordable month to book a Thai Airways flight from London to Phnom Penh in April, with an average price of £560. Conversely, traveling with Thai Airways from London to Phnom Penh in July will be the most expensive, with an average cost of £786. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
Rainfall in Phnom Penh by month
Plan your trip to Phnom Penh by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 250.0 inches per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.
Temperature in Phnom Penh by month
Plan your trip to Phnom Penh by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Phnom Penh, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).
Best time to book a flight from London to Phnom Penh
Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from London with our price prediction graph.
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Fly from London to Phnom Penh on another airline
Consider alternative airlines that service the Phnom Penh area. Flight routes are based on user searches made on Cheapflights and were last updated on 4 July 2025.
See what others are saying about Thai Airways
Read reviews and see what other travellers are saying about their experiences with Thai Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Thai Airways for your next flight. Reviews last updated 4 July 2025.
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