Cheapest one-way flights from London to Singapore in August from $350

Best time to book flights for London (LHR) to Singapore (SIN) flights at AirHint

AirHint found the following cheapest one-way flights from London (LHR) to Singapore (SIN) in August 2025 (see full year).

One-Way flights

26 Aug Aegean Airlines
24 Aug Aegean Airlines
25 Aug British Airways
29 Aug British Airways
19 Aug Aer Lingus
28 Aug Aegean Airlines
23 Aug Aegean Airlines
30 Aug Aegean Airlines
27 Aug British Airways
22 Aug Hainan Airlines

Also check the deals for return flights from London to Singapore in August.

Skyscanner

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 Singapore

Cheap car rent in Singapore