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Cheap Flights to Ireland

Dublin, the Wild Atlantic Way & ancient castles — with some of the cheapest transatlantic fares

Flight Deals to Ireland

Ireland punches well above its weight for cheap transatlantic flights thanks to Aer Lingus's competitive pricing and US preclearance at Dublin and Shannon airports. The strong Irish-American connection means more direct routes than you'd expect, with flights from over a dozen US cities. Once there, Ireland's compact size means you can see the entire country in a week.

Best Time to Fly to Ireland

January through March and October through November offer the cheapest flights. September offers the best weather-to-price balance.

This Week's Picks

See What You're Missing

Real deals from this week - subscribers get these and more, every Friday.

🇬🇧From London

This week: London flights from £398

New York from £398 return (save 28%) plus long-haul deals across the Atlantic - and exclusive Business Class fares for Premium members.

Apr 11

$16,846 Seattle to Cancun + 21 more deals

$16

🇺🇸From Seattle

$16,846 Seattle to Cancun + 21 more deals

This week: Direct flights to Tokyo, Singapore, Dublin, London and more - save up to 63% off typical prices. Plus, unlock Business Class deals to Paris, Frankfurt and Seoul for premium subscribers.

Apr 10

$110

🇺🇸From Denver

$110 Denver to Cancun + 11 more deals

Save up to 55% on flights from DEN this week - plus exclusive Business Class deals to London, Paris, and Frankfurt for Premium members.

Apr 10

Want more deals like these?

Tips for Finding Cheap Flights to Ireland

Aer Lingus frequently has sales with roundtrips from East Coast cities under $400
US preclearance at Dublin means you skip immigration lines when you land in the US
Shannon Airport (SNN) is closer to the Cliffs of Moher and western Ireland
Norwegian and PLAY sometimes offer ultra-cheap one-stop fares via Reykjavik
Consider Dublin as a stopover when flying to the UK or Europe on Aer Lingus

Fly to Ireland From

🇺🇸New York→🇺🇸Boston→🇺🇸Chicago→🇺🇸Philadelphia→🇺🇸Washington DC→🇺🇸Denver→

Frequently Asked Questions

How cheap can flights to Ireland get?

Error fares and sales regularly bring roundtrip fares under $350 from East Coast cities. Aer Lingus's regular sales often offer $399-449 roundtrip from multiple US cities.

What is US preclearance?

US preclearance at Dublin and Shannon airports means you go through US immigration and customs before boarding your flight home. When you land in the US, you walk straight out — no immigration lines.

Should I fly into Dublin or Shannon?

Dublin has more flight options and cheaper fares. Shannon is ideal if you're headed to western Ireland (Cliffs of Moher, Galway, Ring of Kerry). Consider flying into one and out of the other.

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