| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option London Heathrow Shannon | Outbound 03/09/25 direct EI0381 01h 30min | Return 07/09/25 direct EI0388 01h 25min |  Aer Lingus Irish Airlines |  | £107 | ||
| London Heathrow Shannon | Outbound 03/09/25 direct EI0385 01h 30min | Return 07/09/25 direct EI0388 01h 25min | Aer Lingus Irish Airlines |  | £199 | ||
| London Heathrow Shannon | Outbound 03/09/25 direct EI0387 01h 25min | Return 07/09/25 direct EI0388 01h 25min | Aer Lingus Irish Airlines |  | £108 | ||
| London Heathrow Shannon | Outbound 08/12/25 direct EI0387 01h 20min | Return 24/12/25 direct EI0386 01h 25min | Aer Lingus Irish Airlines |  | £137 | ||
| London Heathrow Shannon | Outbound 08/12/25 direct EI0387 01h 20min | Return 24/12/25 direct EI0380 01h 25min | Aer Lingus Irish Airlines | | £141 | ||
| London Heathrow Shannon | Outbound 08/12/25 direct EI0387 01h 20min | Return 24/12/25 direct EI0386 01h 25min | Aer Lingus Irish Airlines | | £145 | ||
| London Heathrow Shannon | Outbound 08/12/25 direct EI0385 01h 30min | Return 24/12/25 direct EI0386 01h 25min | Aer Lingus Irish Airlines |  | £156 | ||
| London Heathrow Shannon | Outbound 08/12/25 direct EI0385 01h 30min | Return 24/12/25 direct EI0386 01h 25min | Aer Lingus Irish Airlines |  | £158 | ||
| London Heathrow Shannon | Outbound 08/12/25 direct EI0385 01h 30min | Return 24/12/25 direct EI0386 01h 25min | Aer Lingus Irish Airlines | | £173 | ||
| London Heathrow Shannon | Outbound 08/12/25 direct EI0381 01h 30min | Return 24/12/25 direct EI0380 01h 25min | Aer Lingus Irish Airlines | | £206 |
Tips and tricks to help you find cheap flights from London Heathrow to Shannon
Favourite airline: Aer Lingus
The most popular airline for flights from London Heathrow to Shannon is Aer Lingus.
Aer Lingus
51 %
British Airways
49 %