Cheapest return flights from Shannon to London in December from $68

Best time to book flights for Shannon (SNN) to London (STN) flights at AirHint

AirHint found the following cheapest return flights from Shannon (SNN) to London (STN) in December 2025 (see full year).

Return flights

11 Dec - 14 Dec Ryanair direct
04 Dec - 14 Dec Ryanair direct
04 Dec - 08 Dec Ryanair direct
18 Dec - 01 Jan Ryanair direct
11 Dec - 01 Jan Ryanair direct
18 Dec - 30 Dec Ryanair direct
11 Dec - 30 Dec Ryanair direct
18 Dec - 26 Dec Ryanair direct
11 Dec - 26 Dec Ryanair direct
28 Dec - 01 Jan Ryanair direct
28 Dec - 11 Jan Ryanair direct
28 Dec - 30 Dec Ryanair direct

Also check the deals for one-way flights from Shannon to London in December.

Skyscanner

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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