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

Return flights

28 Sep - 05 Oct	Lufthansa
25 Sep - 02 Oct	SWISS
23 Sep - 29 Sep	Brussels Airlines
23 Sep - 30 Sep	Lufthansa
26 Sep - 29 Sep	Air Canada
25 Sep - 28 Sep	Air Canada
25 Sep - 30 Sep	Air Canada
23 Sep - 25 Sep	Aer Lingus
22 Sep - 24 Sep	Vueling Airlines
28 Sep - 06 Oct	Delta
29 Sep - 03 Oct	Aer Lingus
27 Sep - 06 Oct	Delta
26 Sep - 30 Sep	Lufthansa
21 Sep - 29 Sep	Air France
24 Sep - 29 Sep	Brussels Airlines
30 Sep - 14 Oct	Lufthansa
28 Sep - 15 Oct	Lufthansa
27 Sep - 01 Oct	Lufthansa
25 Sep - 04 Oct	SWISS
28 Sep - 06 Oct	Lufthansa	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 $388

Return flights