Cheapest return flights from London to Shannon in May from $173

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

Return flights

19 May - 22 May Aer Lingus direct
10 May - 20 May Aer Lingus direct
11 May - 14 May Aer Lingus direct
12 May - 14 May Aer Lingus direct
12 May - 15 May Aer Lingus direct
13 May - 15 May Aer Lingus direct
09 May - 12 May Aer Lingus direct
16 May - 19 May Aer Lingus direct
15 May - 17 May Aer Lingus direct
13 May - 16 May Aer Lingus direct
30 May - 06 Jun Aer Lingus direct
29 May - 01 Jun Aer Lingus direct

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

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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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