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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

£471 London to San Francisco + 14 more deals

This week: direct flights to San Francisco from £471, Barcelona from £65, Singapore from £659, and Business Class deals unlocked for Premium members. Up to 56% below typical prices.

Oct 10

$38

🇺🇸From San Francisco

77% off San Francisco → Las Vegas ($38)

OAK → Las Vegas for just $38 round-trip - 77% below the typical $164 median - plus SFO → Cancun for $335 (75% off) and SFO → Tokyo for $708.

Oct 9

$38

🇺🇸From Los Angeles

77% off Los Angeles → Seattle ($38)

LAX to Seattle for just $38 round-trip - 77% below the typical $165 median - plus Tokyo Narita for $663 (64% off) and Los Cabos for $340 (50% off) direct from LAX.

Oct 9

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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→

Other Popular Destinations

🇻🇳Flights to Vietnam→🏖️Flights to Cancun→🇮🇳Flights to India→🇰🇷Flights to South Korea→🇦🇺Flights to Australia→🇦🇪Flights to Dubai→

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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