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

Return flights

17 Sep - 25 Sep	WestJet
17 Sep - 24 Sep	WestJet
04 Sep - 17 Sep	WestJet
17 Sep - 25 Sep	WestJet	direct
22 Sep - 02 Oct	WestJet	direct
13 Sep - 02 Oct	WestJet	direct
27 Sep - 16 Oct	WestJet	direct
17 Sep - 12 Oct	WestJet	direct
24 Sep - 09 Oct	WestJet	direct
24 Sep - 07 Oct	WestJet	direct
24 Sep - 21 Oct	WestJet	direct
24 Sep - 01 Oct	WestJet
03 Sep - 18 Sep	WestJet	direct
17 Sep - 14 Oct	WestJet	direct
29 Sep - 20 Oct	WestJet
03 Sep - 25 Sep	WestJet	direct
24 Sep - 27 Sep	WestJet
16 Sep - 23 Sep	Air Transat
22 Sep - 29 Sep	Air Transat
13 Sep - 27 Sep	Air Transat

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 $321

Return flights