Cheap flights from Dublin to Detroit

Two calendars drive demand here: the Irish school year and the American holiday season. June is the cheapest month in the fare data, sitting just before the summer peak, and the tracked prices run from September through January, then April and June. Thanksgiving and the Christmas stretch lift fares on this route, so lock those dates in early. Midweek departures tend to price below Friday and Sunday flights.

Aer Lingus is where most searches start: the Irish flag carrier sells the journey on a single ticket, handing you to a partner for part of the way. The European detours come next — TAP Portugal via Lisbon, Icelandair via Reykjavik, British Airways via London, Turkish Airlines via Istanbul — all full-service and sold as one booking. Air Canada, United Airlines and American Airlines connect through their North American hubs on much the same terms. JetBlue and WestJet lean low-cost: lighter headline fares, but checked baggage and seat selection are often where you pay more.

Detroit Metro Airport sits a drive out from downtown, with no rail link, so plan the last leg around a car: taxis, rideshares and rental desks wait at arrivals, and the motorway into town is a straightforward run outside rush hours. Public transport exists but runs thin, so book a ride ahead if you land late. International arrivals clear US entry formalities at the airport itself, then head landside with their bags. In a Michigan winter, pad the transfer time for snow.

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 Detroit

639 k (2020)

Time zone

UTC-04 (America/New_York)

Country facts: Wikidata

• With no nonstop flights, the connecting airport is the real choice here — check where each option changes planes.
• Book both legs on a single ticket, or leave a generous buffer if you buy them separately.
• Compare baggage allowances before you pay, because the lighter fares on this route often exclude a checked bag.
• Sort your US entry papers early — an ESTA or a visa depending on nationality — and check your passport covers the whole trip.
• If your dates fall near Thanksgiving or Christmas, book early; June is the month the fare calendar dips.