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

Return flights

13 Sep - 02 Oct	WestJet	direct
17 Sep - 25 Sep	WestJet	direct
15 Sep - 23 Sep	WestJet	direct
15 Sep - 16 Oct	WestJet	direct
14 Sep - 23 Sep	WestJet
24 Sep - 30 Sep	WestJet	direct
19 Sep - 26 Sep	Air Transat
29 Sep - 06 Oct	Air Transat
18 Sep - 01 Oct	Air Transat
19 Sep - 01 Oct	Air Transat
17 Sep - 01 Oct	Air Transat
16 Sep - 16 Oct	Porter Airlines (Canada) Ltd
03 Sep - 07 Sep	WestJet	direct
02 Sep - 11 Sep	WestJet
03 Sep - 10 Sep	WestJet
03 Sep - 13 Sep	WestJet
02 Sep - 20 Sep	Air Transat
25 Sep - 04 Oct	Porter Airlines (Canada) Ltd
01 Sep - 31 Oct	WestJet

Also check the deals for one-way flights from Halifax 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 Halifax to London in September from 376€

Return flights