2026 layover guide
Dublin (DUB) connection time
At Dublin Airport, plan on at least 50 min for a same-terminal connection, 1 h 20 min if you change terminals outside security. Here's why, step by step.
Verified Oct 17, 2026By Steven MoHow we check Report a correction
Comfortable: 1 h 30 min
By walkways, with another security check
A few changes mean security again
Quick answer
Plan on at least 50 min for a same-terminal connection at DUB, 1 h 20 min if you change terminals. Some terminal changes mean going through security again.
- Same terminal
- 50 min (comfortable: 1 h 30 min)
- Changing terminals
- 1 h 20 min by walkways
- Hub airlines
- Aer Lingus
How long a layover do I need?
- Get off the plane and walk to your next gate20 min
- Be at the gate before boarding closes15 min
- Buffer for a small delay15 min
Our estimate, rounded up, not the airline's official minimum connection time. If both flights are on one ticket, the airline will rebook you if a delay makes you miss the second one. How we calculate this
Recommended layovers at DUB
Our estimates for common connections, rounded up. Comfortable times leave room for a late arrival.
| Connection | MinimumRecommended minimum |
|---|---|
Same terminal, no passport control Transfer security where required | 50 min Comfortable: 1 h 30 min |
Changing terminals, inside security By walkways | 1 h Comfortable: 1 h 30 min |
Changing terminals, outside security Includes another security check | 1 h 20 min Comfortable: 2 h |
Connecting to a U.S. flight U.S. preclearance before you board | 1 h 50 min Comfortable: 2 h 45 min |
Separate tickets with checked bags No protection if you miss it | 1 h 50 min Comfortable: 2 h 45 min |
Airlines' official minimum connection times can be shorter: if you booked both flights on one ticket, the airline has already checked that the connection is legal and will rebook you if a delay makes you miss it.
Getting around DUB
Terminals
Terminals 1 and 2.
Changing terminals
Flights to the U.S. leave from Terminal 2 after U.S. preclearance, where you clear U.S. immigration and customs before you board, then land in the U.S. as a domestic passenger.
Passport control and transfers
Ireland isn't in the Schengen area. Connecting to the U.S., budget time for preclearance.
Tips for connecting at DUB
- •Aer Lingus flights use Terminal 2.
Plan your trip through DUB
The airport guide, and the bag rules for the airlines you're likely to connect on here.
DUB connection FAQ
Airlines set their own official minimums at DUB and only sell connections that meet them, so a one-ticket itinerary is always "legal". In practice we recommend at least 50 min for a same-terminal connection and 1 h 20 min when you change terminals.
Other airports
Sources
Last verified Oct 17, 2026. Terminals and connection rules change, so check your airline's connection instructions before a tight layover.
Read how we collect and check this data, or tell us if something's out of date.
Cheap flights, any connection
Pick your home airports and we'll email you when fares drop well below normal. You book directly with the airline.
Free plan available · 14-day free Premium+ trial · Cancel anytime