Cheap flights from Seattle to Dublin

Looking for cheap flights from Seattle to Dublin? We track round-trip fares from SEA to DUB around the clock and post the sharpest price drops here first. The best fare we’ve found is $539 round-trip, against a typical fare of about $700 — savings of roughly 23%. Dublin has nonstop service from Seattle, and sale fares on this route tend to disappear within a day or two. Create a free account to see full deal details, or go Premium for an email alert the moment a Dublin fare drops.

Dublin is a vibrant city that beautifully blends history and modern culture, making it a must-visit destination. Iconic draws like the Ha'penny Bridge over the River Liffey at dusk create unforgettable memories, while the city's rich literary heritage and lively pub scene offer endless exploration. The best times to visit are during the shoulder seasons of spring and fall when the weather is mild, crowds are smaller, and you can often find cheap flights from Seattle to Dublin. Peak tourist season in summer sees higher prices and larger crowds, so plan accordingly to snag the best flight deals.

Traveling from Seattle (SEA) to Dublin (DUB) is convenient, thanks to nonstop service available on select airlines. Booking in advance typically yields the best fares, with travelers advised to start searching a few months ahead of their desired travel dates. Keep an eye out for sales and special promotions, particularly during the winter months, as this is when you can often find the most competitive rates for flights. Whether you're visiting for the culture, the scenery, or the vibrant nightlife, Dublin is waiting to be explored.