AirHint found the following cheapest return flights from London (LGW) to St. John's (YYT) in September 2025 (see full year).

Return flights

01 Sep - 08 Sep	WestJet	direct
15 Sep - 22 Sep	WestJet	direct
08 Sep - 12 Sep	WestJet	direct
05 Sep - 22 Sep	WestJet	direct
19 Sep - 27 Sep	WestJet	direct
20 Sep - 01 Oct	WestJet	direct
22 Sep - 01 Oct	WestJet	direct
24 Sep - 01 Oct	WestJet	direct
10 Sep - 17 Sep	WestJet	direct
06 Sep - 20 Sep	WestJet	direct
17 Sep - 03 Oct	WestJet	direct
06 Sep - 15 Sep	WestJet	direct
05 Sep - 19 Sep	WestJet	direct
06 Sep - 13 Sep	WestJet	direct
23 Sep - 01 Oct	Ryanair
04 Sep - 01 Oct	WestJet
21 Sep - 01 Oct	WestJet

Also check the deals for one-way flights from London to St. John's 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 St. John's in September from $435

Return flights