Cheapest return flights from London to Shannon in March from $128

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

Return flights

24 Mar - 29 Mar Aer Lingus direct
04 Mar - 07 Mar Aer Lingus direct
24 Mar - 26 Mar Aer Lingus direct
12 Mar - 19 Mar Aer Lingus direct
24 Mar - 27 Mar Aer Lingus direct
01 Mar - 03 Mar Aer Lingus direct
02 Mar - 03 Mar Aer Lingus direct
02 Mar - 04 Mar Aer Lingus direct
04 Mar - 05 Mar Aer Lingus direct
30 Mar - 31 Mar Aer Lingus direct
31 Mar - 06 Apr Aer Lingus direct
30 Mar - 06 Apr Aer Lingus direct
31 Mar - 15 Apr Aer Lingus direct
28 Mar - 09 Apr Aer Lingus direct
28 Mar - 03 Apr Aer Lingus direct

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

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