| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option London Heathrow Shannon | Outbound 19/02/26 direct EI0387 01h 20min | Return 22/02/26 direct EI0388 01h 20min |  Aer Lingus Irish Airlines |  | £115 | ||
| London Heathrow Shannon | Outbound 20/03/26 direct EI0381 01h 30min | Return 17/04/26 direct EI0388 01h 25min | Aer Lingus Irish Airlines |  | £190 | ||
| London Heathrow Shannon | Outbound 20/03/26 direct EI0387 01h 20min | Return 17/04/26 direct EI0388 01h 25min | Aer Lingus Irish Airlines | | £123 | ||
| London Heathrow Shannon | Outbound 20/03/26 direct EI0385 01h 30min | Return 17/04/26 direct EI0388 01h 25min | Aer Lingus Irish Airlines |  | £128 | ||
| London Heathrow Shannon | Outbound 20/03/26 direct EI0387 01h 20min | Return 17/04/26 direct EI0388 01h 25min | Aer Lingus Irish Airlines |  | £133 | ||
| London Heathrow Shannon | Outbound 20/03/26 direct EI0385 01h 30min | Return 17/04/26 direct EI0388 01h 25min | Aer Lingus Irish Airlines |  | £141 | ||
| London Heathrow Shannon | Outbound 22/12/25 direct EI0385 01h 30min | Return 10/01/26 direct EI0380 01h 25min | Aer Lingus Irish Airlines | | £155 | ||
| London Heathrow Shannon | Outbound 22/12/25 direct EI0385 01h 30min | Return 10/01/26 direct EI0386 01h 25min | Aer Lingus Irish Airlines | | £160 | ||
| London Heathrow Shannon | Outbound 22/12/25 direct EI0385 01h 30min | Return 10/01/26 direct EI0380 01h 25min | Aer Lingus Irish Airlines |  | £165 | ||
| London Heathrow Shannon | Outbound 22/12/25 direct EI0385 01h 30min | Return 10/01/26 direct EI0386 01h 25min | Aer Lingus Irish Airlines | | £173 |
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 %