Ireland

Ireland is a key European aviation hub, punching well above its weight for a country of 5 million people. Dublin Airport (DUB) is the headquarters of Ryanair, Europe's largest airline by passenger numbers, making Ireland one of the most connected countries in Europe for low-cost flights.

The country serves as a strategic transatlantic gateway. Both Dublin (DUB) and Shannon (SNN) airports offer US Preclearance—the only airports outside North America with full customs, immigration, and agriculture inspection. This means passengers clear US border control before departure, arriving as domestic passengers in the US.

Ireland is not part of the Schengen Area but instead operates the Common Travel Area (CTA) with the United Kingdom, allowing passport-free travel between the two countries.

International Airports

Airport	Code	Location	Role
Dublin	DUB	East Coast	Primary hub, Ryanair HQ, Aer Lingus hub
Shannon	SNN	West Coast	Transatlantic gateway, US preclearance
Cork	ORK	South Coast	Regional international, Aer Lingus base

Dublin (DUB) — Ireland's main airport handling over 32 million passengers annually. Two terminals: Terminal 1 (most airlines) and Terminal 2 (Aer Lingus, US preclearance flights). Home base for Ryanair and primary hub for Aer Lingus. Excellent connections to Europe, UK, and North America. City center is 10km south, reachable by bus (Airlink 747, 30 min) or taxi (25-40 min).

Shannon (SNN) — Historic transatlantic airport on Ireland's west coast. Famous for being the birthplace of duty-free shopping (1947). Offers US Preclearance, making it convenient for transatlantic travelers. Good base for exploring the Wild Atlantic Way, Cliffs of Moher, and the West of Ireland.

Cork (ORK) — Ireland's second city airport, serving the south of the country. Aer Lingus regional base with European connections. Useful for visiting Cork city, Killarney, and the southwest coast.

Regional Airports

Airport	Code	Role
Ireland West Knock	NOC	West Ireland, pilgrim traffic, UK routes
Kerry	KIR	Southwest, tourism-focused

Major Irish Airlines

Ryanair (FR) — Europe's largest airline by passenger numbers, headquartered in Dublin. Ultra-low-cost carrier serving over 230 destinations across Europe and North Africa. Known for no-frills service and ancillary fees. Flies from DUB, SNN, ORK, and NOC.

Aer Lingus (EI) — Ireland's flag carrier and oneworld member. Hub at Dublin with a strong transatlantic network to the US and Canada. Known for competitive business class fares to North America. Regional operations at Cork and Shannon.

International Airlines Serving Ireland

Major carriers with significant Irish operations:

• British Airways, KLM, Air France, Lufthansa — European network carriers
• United, American, Delta — US carriers serving Dublin
• Emirates — Daily Dubai service from Dublin
• Iberia, TAP Portugal, SAS — European hub connections
• Vueling, Eurowings — Additional low-cost options

Visa-Free Access

Ireland offers visa-free entry for many nationalities:

• EU/EEA citizens: Unlimited stay with right to work
• UK citizens: Freedom of movement under Common Travel Area
• US, Canada, Australia, New Zealand: Up to 90 days
• Most countries in the Americas, Asia, and Oceania: Check specific requirements

No pre-registration required for visa-exempt nationalities. Simply arrive with a valid passport.

Visa Required

Citizens requiring visas should apply through Irish Immigration:

• Short Stay "C" Visa: up to 90 days
• Processing: typically 4-8 weeks
• Apply at Irish embassy or visa application center

Passport Requirements

• EU/EEA citizens: National ID card accepted
• All others: Valid passport required (no minimum validity, but 6 months recommended)
• UK citizens: No passport required under Common Travel Area (but airlines may require ID)

Common Travel Area (CTA)

Ireland and the UK share the Common Travel Area, allowing:

• Passport-free travel between Ireland, UK, Isle of Man, and Channel Islands
• No immigration checks on Ireland-UK flights (though ID required for check-in)
• Important: The CTA is separate from Schengen—you cannot travel passport-free to mainland Europe

US Preclearance

Dublin and Shannon airports offer US Preclearance:

• Clear US Customs and Border Protection before departure
• Arrive in the US as domestic passengers—no immigration lines
• Available for all US-bound flights from DUB and SNN
• Allow extra time (1-2 hours) for preclearance process

Official visa information: irishimmigration.ie

Domestic Flights

Ireland is small (about 500km north-south)—domestic flights are limited:

Route	Flight Time	Alternatives
Dublin ↔ Cork	45m	Train 2h 30m, Bus 3h
Dublin ↔ Shannon	45m	Bus 3h 30m
Dublin ↔ Kerry	50m	Bus 4h 30m

Tip: For most domestic journeys, ground transport is more practical than flying.

Trains (Irish Rail / Iarnród Éireann)

Ireland's rail network is Dublin-centric:

• Dublin ↔ Cork: 2h 30m, frequent service
• Dublin ↔ Galway: 2h 30m
• Dublin ↔ Belfast: 2h (cross-border service with Translink)
• Dublin ↔ Limerick: 2h

Booking tips:

• Irish Rail for timetables and tickets
• Book online for best prices
• Leap Card: Pay-as-you-go card for Dublin area transport (DART, Luas, buses)

Car Rental

Essential for exploring rural Ireland:

• Drive on the left (same as UK)
• Manual transmission common—request automatic if needed
• Minimum age 21, some rentals require 25
• International licenses accepted
• Wild Atlantic Way: 2,500km coastal route, Ireland's signature drive
• Narrow rural roads require confidence

Buses

• Bus Éireann: National network, comprehensive rural coverage
• Dublin Bus: City services
• Luas: Dublin's light rail (two lines)
• GoBus, CityLink: Private intercity coaches, often faster than Bus Éireann

Peak Season (June-August)

Irish summer—longest days (light until 10pm in June), warmest weather (15-20°C). Festival season, busy tourist sites. Highest flight prices. Book well in advance.

Shoulder Season (April-May, September-October)

Best overall value. Spring brings green landscapes and fewer crowds. Autumn offers good weather and lower prices. Flights 20-30% cheaper than summer.

Off-Season (November-March)

Cheapest flights, but cold, wet, and dark (sunset 4:30pm in December). Christmas atmosphere in cities. Good for: pubs, indoor attractions, avoiding crowds. St. Patrick's Day (March 17) is an exception—very busy.

Weather Considerations

Season	Temperature	Conditions
Summer	15-20°C	Longest days, occasional rain
Autumn	10-15°C	Colorful, variable weather
Winter	4-8°C	Mild but wet and dark
Spring	8-14°C	Improving days, green countryside

Pack layers and rain gear regardless of season. Irish weather is famously changeable.

Cities

City	Airport	Known For
Dublin	DUB	Georgian architecture, pubs, tech hub
Cork	ORK	Food culture, English Market, harbor
Galway	SNN (1h drive)	Arts, music, gateway to Connemara
Limerick	SNN (20 min)	Medieval history, Treaty Stone
Belfast	BFS/BHD	Titanic Quarter, murals, peace walls
Killarney	KIR	Lakes, national park, Ring of Kerry

Regions

• Wild Atlantic Way: Western coastline drive, fly to SNN or NOC
• Ring of Kerry: Scenic peninsula, fly to KIR or ORK
• Cliffs of Moher: Fly to SNN (80 min drive)
• Connemara: Rugged west, fly to SNN or NOC
• Northern Ireland: Fly to Belfast (BFS/BHD) for Giant's Causeway, Antrim Coast

Day Trips from Dublin

• Wicklow Mountains: 1 hour drive south
• Glendalough: Ancient monastic site, 90 min
• Howth: Coastal village, 30 min by DART
• Kilkenny: Medieval city, 90 min by train
• Newgrange: Neolithic site, 1 hour drive north

Money

• Currency: Euro (EUR, €) — Note: Northern Ireland uses British Pound (GBP)
• Cards: Contactless payment widely accepted
• Tipping: 10-15% at restaurants if service not included, round up for taxis
• ATMs: Widely available, use bank ATMs (avoid Euronet machines)

Connectivity

• Mobile: Three, Vodafone, Eir, 48
• eSIM: Widely supported. Airalo, Holafly work well
• EU roaming: Free for EU mobile plans
• WiFi: Free in most cafes, hotels, and airports

Electrical

• Voltage: 230V, 50Hz
• Plug type: Type G (three rectangular pins—same as UK)
• Adapters: Essential for US/EU travelers. UK adapters work in Ireland

Useful Apps

• TFI Live: Real-time public transport info
• Irish Rail: Train booking and times
• Free Now: Taxi booking (formerly mytaxi)
• Google Maps: Good coverage for driving

Cultural Notes

• Pubs are social hubs, not just drinking establishments
• "Craic" (pronounced "crack") means fun, entertainment, good times
• Traditional music sessions happen spontaneously in pubs—ask locally
• Tipping not expected in pubs when ordering at bar
• Irish people are famously friendly and happy to chat

• Tourism: ireland.com
• Visa Info: irishimmigration.ie
• Dublin Airport: dublinairport.com
• Shannon Airport: shannonairport.ie
• Cork Airport: corkairport.com
• Transport for Ireland: transportforireland.ie
• Irish Rail: irishrail.ie
• Met Éireann (Weather): met.ie