Greece · Athens
Athens International Airport (ATH) Online Check-in
Greece's main airport and Aegean Airlines' hub. Single connected terminal with two satellites (intra-Schengen + non-Schengen). Heavy summer leisure traffic to Greek islands and major cities.
Now at Athens International Airport
- Security wait (today, avg) 18 min
- Disruption No reported disruption
- Weather impact Clear, 14 °C
Quick information
Airlines we cover at Athens International Airport
Athens International Airport hosts about 60 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 Athens International 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
ATH has 1 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 Athens International Airport
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Metro is cheapest direct to centre
Athens Metro Line 3 (Blue Line) direct from terminal to Syntagma for €9 (one-way). Trains every 30 min. From Syntagma transfer to other lines for ancient sites.
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Summer = severe peak congestion
ATH sees 40M+ passengers in summer (June–September). Security queues 30–60 min during peak. Greek island connections — heavy Saturday turnover. Arrive 2.5h+ early.
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Greek island connections — short turnaround
ATH→JTR/JMK/HER inter-island flights are 45–60 min. Aegean dominates with multiple daily. Often cheaper to route via ATH than direct island-to-island.
Popular destinations from Athens International Airport
Frequently asked questions
How early should I arrive at Athens Airport?
1.5 hours for Schengen, 2.5 hours for non-Schengen. Add 30 min during summer peak (June–September). Greek island flights have shorter turnaround.
Is the metro reliable from Athens Airport?
Yes — Athens Metro Line 3 runs every 30 min direct to Syntagma. Free Wi-Fi on trains. Suburban rail also direct to Larissa Station + onward to Piraeus port.
Can I take a ferry to Greek islands from ATH?
ATH is connected to Piraeus (main ferry port) by Suburban rail (40 min) or Metro + bus. Many island travelers fly to ATH then ferry. Check ferry schedules — often less frequent in winter.
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 Athens International Airport official site below.
- Wikipedia: Athens International Airport — Editorial overview, history, statistics.
- FlightRadar24: ATH live data — Live flight arrivals, departures, and delays.
- gov.uk travel advice — Up-to-date entry requirements and security guidance for Greece.