AirHint found the following cheapest return flights from Shannon (SNN) to Singapore (SIN) in December 2026 (see full year).
Return flights
| 01 Dec - 15 Dec | Ryanair | ||
| 01 Dec - 14 Dec | Aer Lingus | ||
| 01 Dec - 02 Dec | Aer Lingus |
Also check the deals for one-way flights from Shannon to Singapore in December.
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