Ireland · low fares
Cheap flights to Dublin
The lowest fares to Dublin, Ireland on Expedia Flights. Compare every major carrier, see the cheapest weekday for your route, and book without add-on fees at checkout.
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What things cost in Dublin
Leap and contactless fares cap at 5 euro daily and 29.20 weekly. A pint of Guinness averages around six euro across the city and exceeds eleven at the Temple Bar pub, a difference of a short walk. The Guinness Storehouse uses dynamic pricing from roughly 26 euro, pint included. The National Museum branches and the National Gallery charge nothing at all.
What first-timers get wrong in Dublin
Bus drivers take Leap cards and contactless but give no change for cash, so exact coins or nothing. Adult fares cap automatically at 5 euro a day and 29.20 a week, which means a separate travel pass is usually pointless. Kilmainham Gaol and the Book of Kells must be booked online in advance. Tip about ten percent in restaurants and nothing at all at the bar.
What's actually worth your time in Dublin
Trinity College's Book of Kells is genuinely extraordinary and genuinely two open pages, and the Long Room above it has had large numbers of volumes removed for conservation, so check the current state before paying. Kilmainham Gaol is timed, state-run and sells out well ahead. The Guinness Storehouse starts near 26 euro with a pint included. St Patrick's and Christ Church both charge admission.
When the weather turns in Dublin
Dublin rain is persistent light drizzle rather than a downpour, so days rarely collapse outright; locals simply carry on. When it does settle in, the free National Gallery, National Museum branches and Chester Beatty keep you dry at no cost. EPIC at CHQ tells the emigration story indoors. Glasnevin Cemetery's guided tours run in any weather and are better in bad.
Dublin's museums, and which one to pick
Dublin's best museums cost nothing. The National Museum of Ireland's Archaeology branch on Kildare Street holds the Iron Age bog bodies and the Ardagh Chalice; Decorative Arts sits at Collins Barracks and Natural History, the Dead Zoo, keeps its Victorian cabinets intact. The National Gallery, free as well, has Caravaggio's Taking of Christ, rediscovered in a Jesuit dining room in 1990. The Chester Beatty is also free.
When to go to Dublin
| Best months for cheap-flights | Avg daily high | Rain days |
|---|---|---|
| June | 18°C / 64°F | 13 days |
| September | 17°C / 63°F | 12 days |
| August | 19°C / 66°F | 14 days |
The month to avoid is December — around 9°C (48°F) with roughly 15 rain days. Prices and crowds track the weather here: June is the sweet spot, December the month most people skip.
Pack for peak season: Layers — t-shirts under a light jacket or sweater, Rain gear is non-negotiable — expect rain on roughly 13 days, Comfortable walking shoes — every guide on this site assumes you'll use them.