AirHint found the following cheapest return flights from London (LHR) to Halifax (YHZ) in September 2025 (see full year).

Return flights

07 Sep - 14 Sep	SWISS
21 Sep - 30 Sep	SWISS
11 Sep - 25 Sep	SWISS
11 Sep - 21 Sep	SWISS
14 Sep - 22 Sep	SWISS
11 Sep - 24 Sep	SWISS
25 Sep - 02 Oct	SWISS
11 Sep - 23 Sep	SWISS
11 Sep - 18 Sep	SWISS
04 Sep - 09 Sep	SWISS
04 Sep - 24 Sep	SWISS
28 Sep - 12 Oct	SWISS
29 Sep - 09 Oct	Brussels Airlines
15 Sep - 15 Oct	Brussels Airlines
16 Sep - 02 Oct	Brussels Airlines
26 Sep - 04 Oct	Brussels Airlines
20 Sep - 04 Oct	Brussels Airlines
15 Sep - 14 Oct	Lufthansa
29 Sep - 09 Oct	Air Canada	direct
15 Sep - 15 Oct	Air Canada	direct

Also check the deals for one-way flights from London to Halifax 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 London to Halifax in September from 309€

Return flights