AirHint found the following cheapest return flights from Port-of-spain (POS) to London (LGW) in August 2025 (see full year).

Return flights

22 Aug - 28 Sep	jetBlue
24 Aug - 07 Sep	jetBlue
21 Aug - 02 Sep	jetBlue
12 Aug - 12 Sep	jetBlue
05 Aug - 26 Aug	British Airways	direct
12 Aug - 12 Sep	British Airways	direct
29 Aug - 19 Sep	jetBlue
24 Aug - 07 Sep	British Airways	direct
19 Aug - 02 Sep	Caribbean Airlines
04 Aug - 13 Aug	jetBlue
22 Aug - 01 Sep	jetBlue
19 Aug - 29 Aug	Caribbean Airlines
31 Aug - 01 Sep	Caribbean Airlines
19 Aug - 31 Aug	Caribbean Airlines
09 Aug - 16 Aug	Caribbean Airlines
19 Aug - 31 Aug	British Airways	direct
19 Aug - 29 Aug	British Airways	direct

Also check the deals for one-way flights from Port-of-spain to London in August.

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.

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Cheapest return flights from Port-of-spain to London in August from 778€

Return flights