London to Dublin (LHR–DUB) — Airlines, Schedules & Connections

British passport holders enter Ireland freely with no visa, no time limit, and no immigration controls under the Common Travel Area (CTA) agreement. The CTA predates both the EU and Brexit and remains fully in force. UK nationals have the right to live, work, and access public services in Ireland without a visa or permit. No passport stamp is issued.

Airlines and ferries require photo ID for boarding. A UK passport, Irish passport, or UK driving license works for flights. Technically, there are no immigration checks on the Ireland-Northern Ireland land border or on flights/ferries between the UK and Ireland. In practice, spot checks by immigration officers occur at Dublin Airport on some UK arrivals. Carry your passport for positive identification.

Direct flights from London to Dublin run about 1 hour 15 minutes, with routes from most UK regional airports on Ryanair, Aer Lingus, and British Airways. Dublin is also accessible by ferry from Holyhead (3 hours 15 minutes, Irish Ferries/Stena Line). Ireland uses the euro. UK pounds are not accepted in shops but can be exchanged at any bank. No vaccination requirements. UK driving licenses are fully valid in Ireland. Mobile phone roaming is charged at standard rates since Brexit ended the EU roaming regulation for UK users.

Heathrow Express runs from London Paddington to T5 and T2/T3 in 15–21 minutes (£37 single, cheaper booked online or via the Heathrow app). Elizabeth line (Crossrail) is a lower-cost alternative; Paddington to T5 in 34 minutes from £13.50 with an Oyster/contactless cap of £14.90. The Elizabeth line also serves central London stations including Bond Street, Farringdon, and Liverpool Street.London Underground Piccadilly line serves all terminals (T2/T3/T4/T5) from central London in 40–60 minutes (£6 with Oyster). Taxis (black cabs) from central London cost £55–90 depending on traffic. Coach services from Victoria Coach Station (National Express) cost from £10 booked in advance.

Airlink 747 coaches depart from outside both terminals every 10–15 minutes to the city centre (€7 one-way). Dublin Bus routes 16 and 41 are cheaper (€3.10 with Leap card) but slower, taking 45–70 minutes. Taxis are metered; expect €25–40 to the city centre depending on traffic and time of day.

Rental car desks are located in both terminal buildings with a large multi-storey car park adjacent. For north-side city destinations, the airport is relatively quick via the Port Tunnel; south-side journeys add considerable time during peak hours.

Temperate oceanic climate with mild, wet weather year-round. Summers (June–August) are cool and frequently overcast, with highs of 17–21°C. Winters are mild (3–9°C) with frequent rain but rarely frost or snow. Fog can affect operations in autumn and winter, particularly early mornings.

Wind is the primary disruption risk. Atlantic storms from October through March can cause ground stops and diverts. Pack a waterproof layer regardless of season; dry, sunny days occur but rarely in long stretches.