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

Return flights

14 Jul - 25 Jul	Ryanair
13 Jul - 20 Jul	Jet2
09 Jul - 18 Jul	Pegasus Airlines
20 Jul - 03 Aug	Ryanair
10 Jul - 16 Jul	Pegasus Airlines
14 Jul - 24 Jul	Ryanair
11 Jul - 25 Jul	Pegasus Airlines
10 Jul - 30 Jul	Pegasus Airlines
21 Jul - 04 Aug	Ryanair
11 Jul - 18 Jul	Pegasus Airlines
28 Jul - 06 Aug	Ryanair
12 Jul - 19 Jul	Pegasus Airlines
15 Jul - 22 Jul	Ryanair
10 Jul - 20 Aug	Pegasus Airlines
11 Jul - 20 Aug	Pegasus Airlines
28 Jul - 26 Aug	Ryanair
09 Jul - 01 Aug	Pegasus Airlines
10 Jul - 13 Aug	Emirates
28 Jul - 25 Aug	Ryanair
30 Jul - 28 Aug	Ryanair

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

Cheap car rent in Phnom-penh

Cheapest return flights from London to Phnom-penh in July from 863€

Return flights