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 25/05/26 direct FR0093 01h 30min	Return 07/06/26 direct FR0092 01h 30min	Ryanair		£39
London Shannon Please note: transfer for connecting flight	Outbound 25/05/26 2 Stopovers (GLA, BHX) RK0175, U20427, FR3257 34h 05min	Return 07/06/26 1 Stopover (EDI) FR1676, RK0597 16h 55min	Ryanair UK, easyJet, Ryanair		£117
London Shannon	Outbound 31/03/26 direct EI0387 01h 25min	Return 21/04/26 direct EI0380 01h 35min	Aer Lingus Irish Airlines		£177
London Shannon	Outbound 31/03/26 direct FR0109 01h 30min	Return 21/04/26 direct FR0092 01h 30min	Ryanair	?	£41
London Shannon	Outbound 31/03/26 direct FR1183 01h 35min	Return 21/04/26 direct FR1182 01h 35min	Ryanair		£48
London Shannon	Outbound 25/05/26 direct FR0093 01h 30min	Return 07/06/26 direct FR0092 01h 30min	Ryanair		£54
London Shannon	Outbound 31/03/26 direct FR1183 01h 35min	Return 21/04/26 direct FR1182 01h 35min	Ryanair		£61
London Shannon	Outbound 08/08/26 direct FR0109 01h 30min	Return 31/08/26 direct FR0092 01h 30min	Ryanair		£63
London Shannon	Outbound 31/03/26 direct EI0381 01h 30min	Return 21/04/26 direct EI0386 01h 30min	Aer Lingus Irish Airlines		£100
London Shannon	Outbound 25/05/26 direct FR1183 01h 35min	Return 07/06/26 direct FR1182 01h 35min	Ryanair		£113

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

Important flight information

Flight information: London - Shannon

Outbound and return from	£38.97
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 £48
Flight London Heathrow - Shannon from £100
Flight London Stansted - Shannon from £39
Flight Manchester - Shannon from £87

Flight Routes from London to Shannon

Our cheapest offers for flights from London to Shannon

London (LCY, LGW, LHR, LTN, STN, SEN)

Shannon (Limerick)

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

Important flight information

Flight information: London - Shannon

Alternative routes to Ireland

Alternative flights to Shannon

Flight destinations with a similar price