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Cheap Business Class flights to Phnom Penh

LHR — PNH
30 May — 6 Jun1
1 adult
1 adult, Business, 0 bags

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Cheap business class flights to Phnom Penh in 2026

Find the latest flights to Phnom Penh in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data were last updated on 30 April 2026.

Top Rated Airline

Thai Airways

No. of Airlines

9

Arrival Airport

Phnom Penh Techo Intl Airport
Most popular airline to fly business class with to Phnom Penh in the past 7 days
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Travel insights for business class flights from United Kingdom to Phnom Penh

Get recent, data-driven insights about business class flights from United Kingdom to Phnom Penh including ideal travel times, pricing trends, and more.

What is the cheapest month to book a Business Class flight from United Kingdom to Phnom Penh?

Currently, January is the cheapest month in which you can book a Business Class flight from United Kingdom to Phnom Penh (average of £2,195). Flying from United Kingdom to Phnom Penh in June is currently the most expensive (average of £3,779). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.

Frequently asked questions about Phnom Penh business class tickets

Find answers to common questions related to business class tickets for flights to Phnom Penh. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on 30 April 2026.

  • What is the cheapest month to book a Business Class flight from United Kingdom to Phnom Penh?

    Currently, January is the cheapest month in which you can book a Business Class flight from United Kingdom to Phnom Penh (average of £2,195). Flying from United Kingdom to Phnom Penh in June is currently the most expensive (average of £3,779). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.

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Complete your trip

Complement your business class flight to Phnom Penh by adding a car hire and/or hotel room to your itinerary.
Phnom Penh car hire
Phnom Penh Pochentong Airport car hire
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