Our cheapest offers for flights from London to Shannon

Here you can compare cheap flights from London (LON) to Shannon (SNN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Shannon. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Best option London Shannon	Outbound 04/11/25 direct FR1183 01h 30min	Return 03/12/25 direct FR1182 01h 30min	Ryanair		£43
London Shannon	Outbound 08/12/25 direct EI0381 01h 30min	Return 24/12/25 direct EI0380 01h 25min	Aer Lingus Irish Airlines		£206
London Shannon	Outbound 08/12/25 direct FR0093 01h 35min	Return 24/12/25 direct FR0092 01h 35min	Ryanair		£49
London Shannon	Outbound 04/11/25 direct FR1183 01h 30min	Return 03/12/25 direct FR1182 01h 30min	Ryanair		£55
London Shannon	Outbound 04/11/25 direct FR1183 01h 30min	Return 03/12/25 direct FR1182 01h 30min	Ryanair	?	£56
London Shannon	Outbound 08/12/25 direct FR0093 01h 35min	Return 24/12/25 direct FR0092 01h 35min	Ryanair		£62
London Shannon	Outbound 19/02/26 direct FR1183 01h 30min	Return 22/02/26 direct FR1182 01h 30min	Ryanair		£103
London Shannon	Outbound 19/02/26 direct EI0387 01h 20min	Return 22/02/26 direct EI0388 01h 20min	Aer Lingus Irish Airlines		£115
London Shannon	Outbound 08/12/25 direct EI0387 01h 20min	Return 24/12/25 direct EI0386 01h 25min	Aer Lingus Irish Airlines		£137
London Shannon	Outbound 22/12/25 1 Stopover (AGP) W95723, FR2849 27h 10min	Return 10/01/26 direct FR1182 01h 30min	Wizz Air UK, Ryanair	?	£139

Tips and tricks to help you find cheap flights from London to Shannon

Important flight information

Flight information: London - Shannon

Outbound and return from	42,72 GBP
Flight duration	min. 01:15 / max. 01:30
Return flight duration	min. 01:25/ max. 01:35
Distance	613 km
Flights per week	30
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Shannon (Limerick) (SNN)
Destination country	Flights to Ireland

Alternative routes to Ireland

Alternative flights to Shannon

Flight London Gatwick - Shannon from 43 GBP
Flight London Heathrow - Shannon from 115 GBP
Flight London Stansted - Shannon from 49 GBP

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