Dublin Airport handles approximately 32 million passengers annually and serves as the primary international gateway to the Republic of Ireland. The airport operates two terminals located roughly 400 meters apart, with Terminal 2 handling most transatlantic flights and long-haul services from major European carriers, while Terminal 1 processes short-haul European routes and budget airlines. Both terminals connect to the same arrivals hall, where passengers clear immigration and customs. Shannon Airport, located in County Clare on the western coast, processes approximately 1.8 million passengers per year and serves as an alternative entry point particularly for travelers heading to the west coast regions. Cork Airport in the south handles roughly 2.5 million passengers annually. Belfast International Airport and George Best Belfast City Airport serve Northern Ireland, which operates under different immigration procedures as part of the United Kingdom.
Immigration queues at Dublin Airport vary significantly by time and season. EU/EEA passport holders use automated e-gates that typically process travelers in under two minutes during off-peak periods. Non-EU passengers proceed through manual immigration desks where officers may ask basic questions about trip purpose and duration. June through August represents peak season when queue times at manual desks regularly exceed forty-five minutes between 11:00 and 15:00 when multiple transatlantic arrivals coincide. October through March shows substantially shorter processing times, often under fifteen minutes. Ireland participates in the US Preclearance program, meaning passengers on direct flights from Dublin to the United States clear US immigration and customs before departure, not upon arrival in America. This facility operates at Dublin Airport and Shannon Airport only.
The Leap Card functions as a contactless payment card for public transportation across Dublin and several other Irish cities. Visitors can purchase standard Leap Cards at Dublin Airport in the arrivals hall at a designated sales desk near the exit to ground transportation, at automated vending machines adjacent to the bus departure areas, and at numerous retail locations throughout the terminal. The card itself costs €5 with no preloaded credit. Users add monetary value at vending machines or retail points, then tap the card on validators when boarding buses or entering transit stations. The card provides discounted fares compared to cash payments—a single bus journey from Dublin Airport to the city center costs €3.30 with a Leap Card versus €7 cash payment to the driver. The card works on Dublin Bus, Luas tram services, DART commuter rail, and Bus Éireann intercity coaches. Cards purchased in Dublin function in Cork and Galway transit systems as well.
Aircoach operates private express bus service between Dublin Airport and various city locations twenty-four hours daily. Route 700 runs from both terminals to central Dublin with major stops at O'Connell Street, Trinity College, and St. Stephen's Green. Buses depart every fifteen minutes during daytime hours and every thirty minutes overnight. Journey time to O'Connell Street typically requires thirty-five to forty minutes under normal traffic conditions, extending to seventy minutes during morning rush periods between 07:30 and 09:30. A one-way adult ticket costs €8 when purchased online in advance or €9 when purchased from the driver. Aircoach coaches feature luggage storage beneath the passenger compartment and onboard WiFi. Dublin Bus route 16 provides the standard public transportation option, departing from directly outside both terminals and terminating in central Dublin at O'Connell Street. This service costs €3.30 with Leap Card or €7 cash. Departure frequency varies from every fifteen minutes during peak periods to every thirty minutes during midday and evening hours. Journey time ranges from forty-five minutes to ninety minutes depending on traffic and number of intermediate stops.
Taxi ranks at Dublin Airport operate from designated areas outside each terminal exit. Taxis in Ireland use calibrated meters, and drivers must display their license prominently. The fare from Dublin Airport to central Dublin addresses typically ranges from €25 to €35 depending on exact destination and traffic conditions. A supplemental charge of €1 applies to all airport pickups. Taxis accommodate a maximum of four passengers, with additional charges for luggage exceeding two standard suitcases. Ride-sharing services including Uber and Free Now operate at Dublin Airport from dedicated pickup zones separate from the taxi ranks. Free Now, originally developed as Hailo and now owned by BMW and Daimler, dominates the Irish market and offers both traditional licensed taxis and private hire vehicles through a single app. Typical ride-share fares to central Dublin range from €20 to €30. Private transfer services with advance booking cost approximately €45 to €65 for standard vehicles accommodating up to three passengers.
Shannon Airport lies nine kilometers from Limerick city and twenty-four kilometers from Ennis in County Clare. Bus Éireann route 343 connects the airport to Limerick city center with departures coordinating with flight arrival times. The journey requires approximately forty minutes and costs €5 one-way with cash payment or €4.50 with Leap Card. Direct bus service to Galway operates via routes 51 and 350, requiring approximately ninety minutes and costing €12 to €14. Taxi service from Shannon Airport to Limerick costs approximately €25 to €35. Cork Airport sits eight kilometers south of Cork city. Bus Éireann route 226A provides regular service to Cork city center, departing every thirty minutes during daytime hours. Journey time is approximately thirty minutes with a fare of €4.20 using Leap Card or €4.80 cash. Taxis from Cork Airport to the city center typically cost €18 to €25.
Dublin Airport provides left luggage storage facilities operated by Excess Baggage Company in Terminal 1 arrivals area. The service operates daily from 06:00 to 21:00. Pricing follows a per-item structure with small items costing €7 for the first twenty-four hours, medium bags €10, and large suitcases €13. Each additional twenty-four-hour period incurs the same rates. Maximum storage duration is thirty days. Shannon and Cork airports lack dedicated left luggage facilities. Hotels in Dublin generally permit arriving guests to store luggage before official check-in time, typically 15:00 or 16:00 at most properties. Many Dublin hotels continue this courtesy for departing guests after checkout, usually at 11:00 or 12:00.
Currency exchange bureaus operate in the arrivals areas of all major Irish airports. Rates at airport exchange facilities typically include margins of six to eight percent above mid-market rates. ATMs located throughout airport terminals dispense euros and generally offer exchange rates closer to mid-market, though issuing banks may charge foreign transaction fees of one to three percent plus fixed withdrawal fees. Major Irish banks include Allied Irish Banks, Bank of Ireland, and Permanent TSB. Most retail establishments, restaurants, and hotels throughout Ireland accept credit and debit cards. Contactless payment via card or mobile device functions at the majority of payment terminals with limits typically set at €50 per transaction.
The Republic of Ireland uses Type G electrical sockets, identical to those in the United Kingdom, with three rectangular pins in a triangular pattern. Voltage is 230V at 50Hz. Devices from the United States, Canada, and other countries using different plug types require adapters. Most modern phone chargers and laptop power supplies accommodate 100-240V input and require only a plug adapter, not a voltage converter. Adapters are available for purchase at Dublin Airport retail shops, with prices ranging from €8 to €15 for basic single-outlet adapters. Pharmacies, supermarkets, and electronics stores throughout Irish cities sell adapters at similar or slightly lower prices.
Mobile phone coverage across Ireland reaches most populated areas through three primary networks: Vodafone Ireland, Three Ireland, and eir Mobile. Visitor SIM cards with prepaid data allocations are available at Dublin Airport from vending machines and retail outlets in the arrivals area. Three Ireland offers a prepaid SIM with 20GB of data valid for thirty days for €20. Vodafone provides a similar product at €20 for 15GB over twenty-eight days. Irish SIM cards require unlocked phones. Free WiFi operates throughout Dublin Airport terminals with no registration requirements or time limits. Most hotels, cafes, restaurants, and pubs in Irish cities provide free WiFi to customers.