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London to Ireland on way to US

We are flying into Dublin from London, then Dublin to the US on a separate airline/ticket.

Will we have to go back through security/immigration after we arrive from London?

We are just trying to figure out how much time to alot in between flights

Posted by
1957 posts

Yes you go through pre-clearance in Dublin so when you arrive in U.S. It is considered a domestic flight arrival. Allow the usual three hours. We had one ticket from London to US via plane change in Dublin last month and I don't think it took too long for immigration but is not worth taking a chance.

Posted by
11212 posts

You are what Dublin Airport calls a "self connecting passsenger." You can't use the transfer facilities. Here is a guide to what you have to do:

Remember, traveling from the UK to Ireland, American and Canadian passport holders must go through Irish immigration before getting their bags.

And, if you are traveling after October 31....who knows what is going to happen. Give yourself plenty of time.

Posted by
1219 posts

Are they completely separate tickets or just two legs of an Aer Lingus flight? Not asking to be nosy, but the procedure would be different.

Posted by
43 posts

Two separate tickets... we've flown in and out of Dublin before, but honestly couldn't remember the protocol.

Posted by
2939 posts

If it's two separate tickets, please give yourself LOTS of extra time. The airlines won't help you if you miss your connecting flight. Dublin airport is perfectly comfortable and has newsstands and places to get a snack. It is far better to cool your heels there for, say, 3 or 4 hours than to risk missing your US-bound flight.