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

Return flights

05 Sep - 19 Sep	jetBlue
05 Sep - 14 Sep	jetBlue
29 Sep - 06 Oct	Caribbean Airlines
12 Sep - 26 Sep	British Airways	direct
12 Sep - 03 Oct	British Airways	direct
07 Sep - 19 Oct	British Airways	direct
17 Sep - 30 Sep	Copa
07 Sep - 14 Sep	British Airways	direct
05 Sep - 06 Sep	Caribbean Airlines
05 Sep - 14 Sep	British Airways	direct
05 Sep - 31 Oct	British Airways	direct
05 Sep - 12 Sep	British Airways	direct
05 Sep - 19 Sep	British Airways	direct

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

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 September from 757€

Return flights