$137 Find Cheap Flights from London to Dublin – Compare and Save

These are the earliest and latest flight times available from London Heathrow Airport to Dublin:

• Earliest: departs at 06:15 and lands at 07:40
• Latest: departs at 22:00 and lands at 23:25.

The flight takes about 1h 25m.

Only Economy class is available on flights from London Heathrow Airport to Dublin.

A direct flight from London Heathrow Airport to Dublin takes 1h 25m, covering 722 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from London Heathrow Airport to Dublin range from $240 to $371, with an average of $298 over the past 12 months. Anything below $240 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 30% above the $298 route average. Book 18 weeks before departure for the lowest fares.

On this route, direct flights are cheaper than stopover options on average. Direct fares average $298 return, compared with $560 via a stopover through Zurich (ZRH).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $41–$178 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A320neo family is used most often on this route, operated mainly by Aer Lingus and British Airways. Other aircraft seen on the route include Boeing 777 variants.

Morning is the busiest departure period on London Heathrow Airport to Dublin flights, with 38% leaving in that window. Afternoon departures account for 37%, Evening flights for 25%, and Night flights for 0%.

One-way fares from London Heathrow Airport to Dublin are currently lower than usual. Average one-way flight prices are about $146, which is 32% below the typical average for this route.

Dublin Airport (DUB) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:

• Budget
• Sixt
• Easirent
• Europcar
• Thrifty

Flights from London Heathrow Airport to Dublin usually depart from London Heathrow (LHR) and arrive at Dublin (DUB).

Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London Heathrow Airport to Dublin route, 14% of flights were delayed in the past three months, with delays averaging 1h 47m.

One-stop flights from London Heathrow Airport to Dublin most commonly connect through:

• Amsterdam Schiphol (AMS) – 57% of one-stop connections
• Zurich (ZRH) – 29% of one-stop connections
• Frankfurt am Main (FRA) – 14% of one-stop connections

Yes. Flexible dates can save you up to 11% on flights from London Heathrow Airport to Dublin. Saturday is the cheapest departure day at $280 return on average, while Thursday is the most expensive at $312, a difference of $32.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

2 airlines operate flights between London Heathrow Airport and Dublin. The airlines offering direct flights on this route include:

• Aer Lingus
• British Airways

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time of 5h 14m, compared to 9h 52m via Zurich (ZRH) and 9h 56m via Amsterdam Schiphol (AMS).

Castleknock Castle is one of the most viewed places in Dublin on KAYAK.

Among airlines operating London Heathrow Airport to Dublin flights:

• Aer Lingus: offers extra legroom; offers free seat selection
• British Airways: offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Aer Lingus: a cabin bag and a checked bag in Economy class
• British Airways: a cabin bag and a checked bag in Economy class
• American Airlines: a cabin bag in Economy class class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Yes, you can take the Dublin Bus, which runs between Dublin Airport and the city centre. They depart from the Bus Park of Zone 15 approx. every 15-30min. The fastest option is the 747 Airlink Express costing around €7. Tickets can be purchased either on the bus or online and leave around every 10min. Journey times can take up to 1h.

Remember to request specialist assistance from your airline at least 48h before departure. When you arrive at your terminal, you can pick up a sunflower lanyard from the assistance desk. This will ensure discretion, and staff will be more easily able to identify you if you need extra support at any time.

The fastest option would be the Heathrow Express train service, which travels non-stop direct between Paddington station and all terminals, taking around 15min. A standard ticket bought on the day will cost you around £25 (€30). Advance fares can work out a lot cheaper starting around £5.50 (€6.50). Another option would be to take the London Underground Piccadilly Line, which connects to all terminals. This is a cheaper option with fares ranging from £3-6 (€3.50-7) but takes longer, usually around 1h. There is also the TfL Rail link from west or central London stations, taking around 30min and costing around £11 (€13).