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Aer Lingus doesn't fly nonstop from the US to Cork. Every route connects through Dublin. The good news is that Dublin to Cork is a short 50-minute hop, and Aer Lingus schedules connections to line up reasonably well. Total travel time from the East Coast runs about 9 to 12 hours including the layover. Cork is Ireland's second city and the gateway to the south, including Kinsale, the Ring of Kerry, and Cobh.
John F. Kennedy International Airport (JFK)
Fly nonstop from JFK to Dublin (about 6.5 to 7 hours), then connect to Cork on a separate Aer Lingus flight (around 50 minutes). Total journey time is roughly 9 to 11 hours depending on your connection window in Dublin.
Boston Logan International Airport (BOS)
Boston to Dublin runs about 6 hours nonstop, then you'll catch the short connection to Cork. With a typical layover of 2 to 3 hours, total travel time is around 9 to 10 hours.
Newark Liberty International Airport (EWR)
Newark to Dublin takes about 7 hours nonstop. From Dublin, the Cork connection adds around 50 minutes of flight time plus the layover. Expect 10 to 12 hours total.
O'Hare International Airport (ORD)
Chicago to Dublin is around 7.5 hours nonstop. With the Dublin connection to Cork, total travel runs 10 to 13 hours depending on layover timing.
Philadelphia International Airport (PHL)
Philadelphia to Dublin takes about 7 hours. The connecting flight to Cork adds roughly 50 minutes in the air. Plan for 10 to 12 hours total door to door.
Cheapest Months to Travel
January, February, November typically offer the lowest fares, falling outside peak tourist seasons. Availability is better and pricing more competitive during these windows.
Peak Travel Seasons to Avoid
Summer months (June through August) and the Christmas period are the most expensive. Fares on the Dublin-Cork leg don't vary much, but the transatlantic portion fluctuates significantly.
Best Time to Book
Book your entire journey as a single Aer Lingus ticket (US to Cork via Dublin) rather than separate bookings. This protects you if the first flight is delayed. Aim for 6 to 10 weeks ahead for the best fares.
Midweek Advantage
Midweek departures tend to be cheaper, especially on the transatlantic portion. The Dublin-Cork flights run frequently throughout the day, so connection timing is flexible.
Time Difference to Keep in Mind
Cork is on the same time zone as Dublin: GMT in winter, IST (GMT+1) in summer. That's +5 hours ahead of New York and +8 ahead of Los Angeles.
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