Cheapest return flights from London to Shannon in December from 153€

AirHint found the following cheapest return flights from London (LHR) to Shannon (SNN) in December 2026 (see full year).

Return flights

01 Dec - 11 Dec Aer Lingus direct
04 Dec - 07 Dec Aer Lingus direct
11 Dec - 13 Dec Aer Lingus direct
19 Dec - 29 Dec Aer Lingus direct
24 Dec - 03 Jan Aer Lingus direct
15 Dec - 03 Jan Aer Lingus direct
21 Dec - 29 Dec Aer Lingus direct
13 Dec - 13 Dec Aer Lingus direct
23 Dec - 03 Jan Aer Lingus direct
18 Dec - 21 Dec Aer Lingus direct

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

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