Our cheapest offers for flights from Dublin to London Heathrow

Here you can compare cheap flights from Dublin (DUB) to London Heathrow (LHR) 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 London Heathrow. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Dublin London Heathrow	Outbound 30/09/25 direct EI0182 01h 20min	Return -	Aer Lingus Irish Airlines		£46
Dublin London Heathrow	Outbound 08/12/25 direct EI0184 01h 20min	Return 24/12/25 direct EI0179 01h 20min	Aer Lingus Irish Airlines		£137
Dublin London Heathrow	Outbound 08/12/25 direct EI0178 01h 20min	Return 24/12/25 direct EI0151 01h 20min	Aer Lingus Irish Airlines	?	£194

Important flight information

Flight information: Dublin - London Heathrow

Cheapest outbound flight from	£ 45,97
Outbound and return from	£ 94,97
Flight duration	min. 01:15 / max. 01:40
Return flight duration	min. 01:15/ max. 01:30
Distance	449 km
Flights per week	141
Departure airport	Airport Dublin (DUB)
Departure country	Flights from Ireland
Arrival airport	Airport London Heathrow (LHR)
Destination country	Flights to United Kingdom

Our cheapest offers for flights from Dublin to London Heathrow

Dublin

London Heathrow

Aer Lingus Irish Airlines

Important flight information

Flight information: Dublin - London Heathrow

Alternative routes to United Kingdom

Popular destinations for onward travel

Flight destinations with a similar price