Cheap Flights from Shannon to Miami

Book with a good run-up: connecting transatlantic itineraries tend to move early, and the comfortable window is measured in months rather than weeks. December is the cheapest month on this pairing, and it is worth flagging that this falls in Miami's busy winter season, so holiday-week dates go quickly. Midweek departures usually beat the Friday-to-Sunday cluster, and June and July carry the summer peak in both directions. If your dates can flex, the autumn months and January sit calmer on the calendar than the weeks around Christmas and New Year.

Connections come first here: neither Aer Lingus nor United Airlines flies this pair nonstop, so every ticket adds a stop on the carrier's own network, and the two differ mainly in where that stop falls and how long you wait there. Both are full-service operators rather than low-cost ones, so the fare covers your seat and cabin bag, and on the ocean leg typically a checked allowance and a meal as well. That shifts the comparison away from hidden fees and onto total journey time, the comfort of the connecting airport, and how the two schedules fit your dates.

Getting into town is the easy part: Miami International sits a short drive from downtown Miami, with a rail link and scheduled buses from the terminal area, and rideshare or rental cars covering the beach side of the city. The transfer rarely feels long, though traffic builds around rush hour on the causeways. Watch for the entry formalities that come with landing in the United States — immigration and customs queues can stretch after a wave of transatlantic arrivals — and if Miami is a stop on a longer trip, remember that checked bags are normally rechecked after customs.

Currency

USD ($)

Power sockets

Type A, B · 120 V

Language

Samoan, Hawaiian, Chamorro, Carolinian, Spanish

Emergency number

911

Driving side

right

Calling code

+1

Internet domain

.us

Population of Miami

442 k (2020)

Time zone

UTC-04 (America/New_York)

Country facts: Wikidata

• Shannon has a single airport and Miami arrivals use Miami International, so there is no airport mix-up to fear — just confirm both names on your ticket.
• Check the baggage terms of the fare class you pick, since Aer Lingus and United include the basics but allowances vary between tickets.
• Look closely at the connection: how long the layover runs and whether the whole journey sits on one ticket with bags checked through.
• Sort your documents early, because travel to the United States means a passport plus an ESTA or a visa arranged before departure.
• Compare dates across the calendar before settling, since December prices lowest here while the summer months sit at the other end.