Our cheapest offers for flights from London Heathrow to Shannon

Here you can compare cheap flights from London Heathrow (LHR) 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 Heathrow Shannon	Outbound 31/03/26 direct EI0381 01h 30min	Return 21/04/26 direct EI0386 01h 30min	Aer Lingus Irish Airlines		£100
London Heathrow Shannon	Outbound 31/03/26 direct EI0387 01h 25min	Return 21/04/26 direct EI0380 01h 35min	Aer Lingus Irish Airlines		£177
London Heathrow Shannon	Outbound 31/03/26 direct BA5945 01h 25min	Return 21/04/26 direct EI0388 01h 25min	British Airways		£167
London Heathrow Shannon	Outbound 08/08/26 direct EI0385 01h 30min	Return 31/08/26 direct EI0380 01h 35min	Aer Lingus Irish Airlines		£168
London Heathrow Shannon	Outbound 12/03/26 direct EI0387 01h 20min	Return 15/03/26 direct EI0388 01h 20min	Aer Lingus Irish Airlines	?	£193
London Heathrow Shannon	Outbound 25/05/26 direct EI0385 01h 30min	Return 07/06/26 direct EI0380 01h 35min	Aer Lingus Irish Airlines		£199
London Heathrow Shannon	Outbound 31/03/26 direct EI0387 01h 25min	Return 21/04/26 direct EI0386 01h 30min	Aer Lingus Irish Airlines		£203
London Heathrow Shannon	Outbound 08/08/26 direct EI0385 01h 30min	Return 31/08/26 direct EI0388 01h 25min	Aer Lingus Irish Airlines		£216
London Heathrow Shannon	Outbound 08/08/26 direct EI0385 01h 30min	Return 31/08/26 direct EI0388 01h 25min	Aer Lingus Irish Airlines		£224
London Heathrow Shannon	Outbound 25/05/26 direct EI0385 01h 30min	Return 07/06/26 direct EI0386 01h 30min	Aer Lingus Irish Airlines		£226

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

Important flight information

Flight information: London Heathrow - Shannon

Outbound and return from	£100.00
Flight duration	min. 01:25 / max. 01:30
Return flight duration	min. 01:25/ max. 01:35
Distance	594 km
Flights per week	23
Departure airport	Airport London Heathrow (LHR)
Arrival airport	Airport Shannon (Limerick) (SNN)
Destination country	Flights to Ireland

Our cheapest offers for flights from London Heathrow to Shannon

London Heathrow

Shannon (Limerick)

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

Important flight information

Flight information: London Heathrow - Shannon

Alternative routes to Ireland

Alternative flights to Shannon

Flight destinations with a similar price