For the cheapest flights to London Heathrow book 16 days before departure.
The most popular airlines on the route Dublin Airport - London Heathrow: Aer Lingus (EI), British Airways (BA), Iberia (IB).
Direct flights last about 1h 22min.
Direct flights are available 7 days a week.
Direct flights: Aer Lingus (EI), British Airways (BA).