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

Return flights

10 Dec - 14 Dec	Icelandair
10 Dec - 24 Dec	Air Transat
12 Dec - 02 Jan	Air Transat
20 Dec - 03 Jan	Ryanair

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

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 December from 568€

Return flights