Flights from Dublin to London Heathrow

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 Shop Baggage Price
Best option
Dublin
London Heathrow
Outbound
11/15/25
direct
BA0829
01h 35min
Return
11/15/25
direct
BA0834
01h 30min
British Airways ?
$128
Dublin
London Heathrow
Outbound
11/15/25
direct
BA0829
01h 35min
Return
11/15/25
direct
BA0834
01h 30min
British Airways
$139
Dublin
London Heathrow
Outbound
11/30/25
direct
EI0152
01h 25min
Return
12/12/25
direct
EI0175
01h 20min
Aer Lingus Irish Airlines
$160
Dublin
London Heathrow
Outbound
11/30/25
direct
EI0152
01h 25min
Return
12/12/25
direct
EI0175
01h 20min
Aer Lingus Irish Airlines ?
$1,227
Dublin
London Heathrow
Outbound
11/15/25
direct
EI0168
01h 20min
Return
11/15/25
direct
EI0175
01h 20min
Aer Lingus Irish Airlines ?
$1,239
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Dublin to London Heathrow

Favorite airline: e.g. British Airways, Aer Lingus
British Airways is the most popular airline for flights from Dublin to London Heathrow.
British Airways
40 %
Aer Lingus
40 %
Egyptair
20 %
Direct flights are the cheapest connection
Compared to direct flights, flights with a stopover on this route are on average 91 % more expensive.
non stop flight
1 stop
01h 20min
23h 15min
80 $
932 $
The favorite connection is non-stop
80 % of all bookings on the route Dublin to London Heathrow are for non-stop flights.
Route
bookings
Direct flights
01h 20min, from 80 $
80 %
1 stopover Cairo International
23h 15min, from 932 $
20 %

Important flight information

Flight information: Dublin - London Heathrow

Roundtrip from 127,35 $
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 destinations with a similar price
Flight destinations with a similar price