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

Return flights

04 Sep - 11 Sep	easyJet
24 Sep - 30 Sep	easyJet
26 Sep - 29 Sep	Ryanair
19 Sep - 23 Sep	Ryanair
06 Sep - 20 Sep	Ryanair
28 Sep - 05 Oct	easyJet
06 Sep - 12 Sep	Ryanair

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 $623

Return flights