Phnom Penh skyline

London (LHR) to Phnom Penh (KTI) business class reward flights

Dates
Travellers and cabin

Who’s flying?

Adults12 and over
1
Cabin
Programmes
Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length

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Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length
Cheapest right now88,500 milesPlus fees$965.10ProgramAir France-KLM Flying BlueAir France-KLM Flying BlueStandard fareAirlineVietnam AirlinesVietnam AirlinesDepartingSun, Nov 22
Last checked 1h agoChecked

Which program and airline costs you least

London to Phnom Penh in business class starts at 88.5K miles plus $965.10 — Vietnam Airlines through Air France-KLM Flying Blue. Etihad Airways through Air France-KLM Flying Blue charges the least cash — $769.70 — but wants 97.5K miles.

Every way to book LHR to KTI with miles or points
Airline
Vietnam AirlinesVietnam Airlinesvia HANAir France-KLM Flying Blue88.5Kplus $965.10
SASSASvia CPH, SGNAir France-KLM Flying Blue94.4Kplus $903.70
Etihad AirwaysEtihad Airwaysvia AUHAir France-KLM Flying Blue97.5Kplus $769.70
Air FranceAir Francevia CDG, SGNAir France-KLM Flying Blue106.5Kplus $908.80
KLMKLMvia AMS, HANAir France-KLM Flying Blue112Kplus $912.50

LHR to KTI in business class: the facts

Over the next 60 days we hold business class seats from London to Phnom Penh on 31 of the 31 departure days we have checked so far (29 days are not checked yet), through 1 program. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat. Data updated .

Nonstop or with a connection

No nonstop seats in the window. With a connection on Air France, Etihad Airways, KLM, SAS and Vietnam Airlines.

How to book it

  1. Air France-KLM Flying Blue books on airfrance.fr: sign in there, search LHR to KTI in business class on a date with space, and pay in miles with the cash on top (from $770).

MilesZone finds the seat; it does not book it or take payment.

Get told the moment a LHR → KTI seat opens.

We re-check that exact seat seconds before the email leaves, so what you open is still there.

Email only. Searching this route stays free for departures in the next 60 days.