Choose up to 4 origin airports
Enter a location to see nearby airports
Skip to main content
Good to Know
Low Season:
September
Best time to beat the crowds
2%
expected price decrease
High Season:
July
Most popular time to fly
9%
expected price increase
Average Price:
$119
(avg. price over the last 2 weeks)
Good Deal:
$103
or less (round trip)
When to Book Flights from Dublin to London Heathrow
Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days
Top Tips for Finding a Cheap Flight
Looking for a cheap flight? 25% of our users found flights on this route for $103 or less.
The cheapest flight from Dublin to London Heathrow was found 90 days before departure, on average.
Book at least 3 weeks before departure in order to get a below-average price.
High season is considered to be June, July and August. The cheapest month to fly is September.
Morning departure is around 19% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days
Dublin - London Heathrow Flights
Departure:
Dublin (DUB) Ireland
Destination:
London Heathrow (LHR) United Kingdom
Return flight deals:
Browse origins:
- Flights »
- Dublin:
$100
Dublin
Browse destinations:
- Flights »
- London »
- London Heathrow:
$100
London Heathrow