Ireland · Dublin
Dublin Airport (DUB) Online Check-in
Ireland's largest airport and Aer Lingus's hub. Two terminals — T1 for low-cost and most international, T2 for Aer Lingus and partners. Located 10 km north of Dublin city centre.
Now at Dublin Airport
- Security wait (today, avg) 18 min
- Disruption No reported disruption
- Weather impact Clear, 14 °C
Quick information
Airlines we cover at Dublin Airport
Dublin Airport hosts about 50 airlines in total. We have terminal-specific check-in pages for the 1 listed below. Pick yours to see counters, bag-drop, and online check-in details.
How to check in for a flight from Dublin Airport
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Check in online before you leave home
Most airlines open online check-in 24–48 hours before departure. It saves time at the airport and avoids airport-counter fees on low-cost carriers.
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Arrive at the right terminal
DUB has 2 terminal(s). Check your airline's terminal in the table above before you set off.
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Drop off checked baggage
Counters typically open 2 hours before departure and close 40 minutes before. Use self-service bag-drop kiosks to save time.
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Pass security
Liquids must be in a single transparent bag, max 100 ml each. Laptops and large electronics out of bags. Submit your security wait time below to help others.
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Reach your gate on time
Most airlines close the gate 20 minutes before departure. Allow 5–15 minutes to walk from security to the gate.
Tips for Dublin Airport
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US pre-clearance at T2
DUB has full US Customs pre-clearance for flights to the US. You clear US immigration at DUB and arrive in the US as a domestic passenger. Allow 90+ minutes extra.
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T1 ↔ T2 inter-terminal walkway
T1 and T2 connected by a 5-minute walkway airside (transit only) and a free shuttle bus landside (8 min).
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Buses are the only public transport
No train link. Airlink Express bus is fastest (30 min, €7). Other buses cheaper but slower.
Popular destinations from Dublin Airport
Frequently asked questions
Does Dublin Airport have US pre-clearance?
Yes — DUB and Shannon are the only European airports with US Customs and Border Protection pre-clearance. Aer Lingus, American Airlines, and United Airlines US flights use it.
Which terminal does Aer Lingus use at DUB?
Aer Lingus operates from Terminal 2 — also home to AA, UA, BA. Ryanair, easyJet, KLM and most other carriers use Terminal 1.
How early should I arrive at Dublin Airport?
1.5 hours for European flights from T1 / T2. 3 hours for US-bound flights from T2 due to pre-clearance.
Official sources
The check-in details on this page are sourced from each airline's website. For terminal layout, opening hours, and ground-side services, see the Dublin Airport official site below.
- Wikipedia: Dublin Airport — Editorial overview, history, statistics.
- FlightRadar24: DUB live data — Live flight arrivals, departures, and delays.
- gov.uk travel advice — Up-to-date entry requirements and security guidance for Ireland.