AirHint found the following cheapest return flights from Phnom-penh (PNH) to London (LGW) in July 2025 (see full year).

Return flights

03 Jul - 10 Jul	China Eastern
07 Jul - 19 Jul	China Eastern
29 Jul - 05 Aug	Cambodia Airways
01 Jul - 07 Jul	Emirates
09 Jul - 24 Jul	China Southern
03 Jul - 24 Jul	China Southern
02 Jul - 19 Jul	Air China
12 Jul - 19 Jul	Emirates

Also check the deals for one-way flights from Phnom-penh to London in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Phnom-penh to London in July from $724

Return flights