Dublin is served by Dublin Airport (DUB). Average flight prices are €50-120 for short-haul European flights; €300-500 for transatlantic routes. Best time to book: Book 5-8 weeks ahead for European flights and 3-5 months for transatlantic. November to March (excluding Christmas and St. Patrick's Day week) offers the lowest fares. Dublin benefits from strong transatlantic competition, with Aer Lingus and multiple US carriers offering direct flights. US pre-clearance at Dublin means you arrive in the US as a domestic passenger, saving time on arrival.. Top airlines: Ryanair, Aer Lingus, easyJet.
Compare prices from 8+ airlines flying to Dublin.
Dublin Airport is Ireland's busiest airport by a wide margin, handling over 32 million passengers annually. It is the home base for both Ryanair — Europe's largest airline by passenger numbers — and Aer Lingus, Ireland's flag carrier. The airport has two terminals: Terminal 1 serves most airlines including Ryanair, while Terminal 2 is the dedicated home of Aer Lingus and some of its partner carriers. The terminals are within walking distance of each other.
Dublin's transatlantic connectivity is a major asset. Aer Lingus operates direct flights to over a dozen North American cities, while United Airlines, Delta, and American Airlines also serve the route. A unique feature of Dublin Airport is US pre-clearance — passengers clear US immigration and customs before boarding, meaning they arrive at their US destination as domestic passengers. This saves significant time on arrival and makes Dublin an excellent connecting point for European travelers heading to the US.
The airport lacks a direct rail connection, which is Dublin's biggest transport gap. The Airlink Express bus 747 is the most popular transfer, running every 15-20 minutes to the city center via O'Connell Street and Heuston Station. The Aircoach operates 24 hours and serves areas further south including Ballsbridge and Leopardstown. Taxis are reasonably priced at €25-35 to the city center. A metro link (MetroLink) has been in planning for years and would transform airport access once completed.
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The Airlink Express 747 bus runs every 15-20 minutes to O'Connell Street in about 30 minutes for €7. The Aircoach runs 24 hours for €8. Standard Dublin Bus routes 16 and 41 are cheaper at about €3.50 but take longer. Taxis cost €25-35 to most central locations.
Dublin is one of the few airports outside the US where you can clear US immigration and customs before your flight. This means you arrive at your US destination as a domestic passenger with no immigration queues. Allow extra time (arrive 3+ hours before departure) as the pre-clearance process adds to your airport time.
November to February (excluding Christmas) offers the best fares, with European flights often under €30 one-way on Ryanair. For transatlantic flights, January to March and October to November have the lowest prices. Avoid St. Patrick's Day week (mid-March) and summer (June-August) when demand and prices peak.
Yes, Dublin is Ryanair's official headquarters and one of its largest bases. Ryanair operates from Terminal 1 with dozens of European routes. Despite being a budget carrier, Ryanair's Dublin operation is extensive and reliable, though standard low-cost rules apply — pack light and print your boarding pass to avoid fees.
Terminal 2 is the dedicated home of Aer Lingus and some partner airlines (Emirates, Etihad, American Airlines). Terminal 1 handles all other airlines including Ryanair, easyJet, Lufthansa, and British Airways. The terminals are a short walk apart, connected by a covered walkway.
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