€51 Find Cheap Flights from London Heathrow Airport to Ireland – Compare and Save

The cheapest ticket to Ireland from London Heathrow Airport found in the last 5 days was to Knock, at €104 return. The most popular route is from London Heathrow Airport (LHR) to Dublin (DUB), and the cheapest return airline ticket found on this route in the last 5 days was €167.

The cheapest time of day to fly to Ireland is generally in the morning, when retur flights cost €136 on average. Morning departures are around 38% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is €221.

The cheapest month for flights from London Heathrow Airport to Ireland is January, when tickets cost €137 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of return tickets is €185 and €180 respectively.

For London Heathrow Airport to Ireland, Thursday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Ireland back to London Heathrow Airport, the best deals are generally found on Thursday, with Sunday being the most expensive.

There is just one airline that flies from London Heathrow Airport to Ireland direct and that is British Airways. The best return deal found from British Airways for the route is to Dublin (DUB) and costs €109.

London Heathrow Airport and Ireland are connected by different airlines. The airlines that fly that route the most regularly are British Airways (310 flights per week), Aer Lingus (303 flights per week), and Qatar Airways (279 flights per week).

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from London Heathrow Airport are to Cork, which takes 1h 20m, Shannon, which takes 1h 20m, and Dublin, which takes 1h 20m.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from London Heathrow Airport to Ireland departs at 06:30, landing in Dublin at 07:50.

If you prefer to fly at night, the last flight from London Heathrow Airport to Ireland sets off at 20:45 and lands in Dublin at 22:05.