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
Best option Dublin London Heathrow	Outbound 04/03/26 direct BA0835 01h 20min	Return 04/16/26 direct BA0824 01h 25min	British Airways	?	$154
Dublin London Heathrow	Outbound 12/26/25 direct BA0831 01h 25min	Return 12/29/25 direct EI0151 01h 20min	British Airways		$237
Dublin London Heathrow	Outbound 12/26/25 direct EI0154 01h 30min	Return 12/29/25 direct BA0824 01h 25min	Aer Lingus Irish Airlines		$161
Dublin London Heathrow	Outbound 04/03/26 direct BA0835 01h 20min	Return 04/16/26 direct BA0824 01h 25min	British Airways	?	$168
Dublin London Heathrow	Outbound 12/26/25 direct EI0154 01h 30min	Return 12/29/25 direct EI0179 01h 20min	Aer Lingus Irish Airlines	?	$176
Dublin London Heathrow	Outbound 04/03/26 direct BA0835 01h 20min	Return 04/16/26 direct BA0824 01h 25min	British Airways		$179
Dublin London Heathrow	Outbound 04/03/26 direct BA0835 01h 20min	Return 04/16/26 direct BA0824 01h 25min	British Airways		$185
Dublin London Heathrow	Outbound 04/03/26 direct BA0835 01h 20min	Return 04/16/26 direct BA0824 01h 25min	British Airways		$196
Dublin London Heathrow	Outbound 04/03/26 direct BA0827 01h 30min	Return 04/16/26 direct BA0824 01h 25min	British Airways	?	$206
Dublin London Heathrow	Outbound 04/03/26 direct BA0831 01h 20min	Return 04/16/26 direct BA0824 01h 25min	British Airways	?	$228

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

Important flight information

Flight information: Dublin - London Heathrow

Roundtrip from	$ 153,84
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

Alternative routes to United Kingdom

Flight Dublin - London Gatwick from $ 71

Flight destinations with a similar price

Flight London Heathrow - Colombo from $ 963
Flight London Heathrow - Accra from $ 593
Flight London Heathrow - Amman from $ 332
Flight London Heathrow - Amsterdam from $ 188
Flight London Heathrow - Stockholm from $ 103
Flight London Heathrow - Athens from $ 257
Flight London Heathrow - Barcelona from $ 37
Flight London Heathrow - Mumbai from $ 585
Flight London Heathrow - Cairo from $ 519
Flight London Heathrow - Cologne from $ 198