Flights from Dublin to Seattle
North AmericaYear-round

Cheap Flights from Dublin to Seattle

Track economy fares on the DUBSEA route and get alerts when prices drop.

From
Dublin
DUB
To
Seattle
SEA

Route Intelligence: DublinSeattle

Flight Duration

11 hr 30 min (1 Stop)

Price Guidance

A good deal is under $700 roundtrip. Standard fare is $1,000+.

Peak Season

June to August

Top Airlines

Aer Lingus, United Airlines, American Airlines

Booking Tip

Book 3-6 months in advance for the best fares, especially for summer travel. Connecting through hubs like Chicago (ORD) or New York (JFK) often yields the most competitive prices.

Track DublinSeattle Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

Start Tracking — Free 7-Day Trial
Premium Cabin

Flying Business Class?

If you're considering business class on this route, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares. They alert you when business & first class prices drop — worth checking out if you fly up front.

Explore BusinessClassSignal.com →

Other Routes to Seattle

More Destinations in North America

Route Briefing: Dublin to Seattle

There's something quietly poetic about flying from one rain-kissed, sea-facing city to another, and the Dublin to Seattle route delivers exactly that kind of kindred spirit connection. Both cities wear their grey skies like a badge of honour, both have fiercely proud local food and drink cultures, and both sit on the edge of something wild and beautiful. That shared DNA makes Seattle feel surprisingly familiar to Irish travellers, even on a first visit.

The journey runs around eleven and a half hours with a stop, typically connecting through Chicago or New York with carriers like Aer Lingus, United, or American Airlines. It's not a short hop, but Seattle absolutely justifies the travel time. If you can snag a roundtrip fare under $700, you're doing very well — standard pricing tends to push past $1,000, so booking three to six months ahead is genuinely worth the discipline, particularly if you're targeting summer travel.

And summer here is something special. June through August is peak season for good reason — the Pacific Northwest shakes off its clouds and rewards visitors with long, luminous days, outdoor markets buzzing with energy, and the kind of mountain and water scenery that makes you want to cancel your return flight. Mount Rainier looms magnificently to the south, the Olympic Peninsula stretches wild to the west, and the city itself sits between Puget Sound and Lake Washington in a way that makes water feel ever-present.

In the city, Pike Place Market is the beating heart — not a tourist trap so much as a genuinely working public market where fishmongers, flower sellers, and food vendors have traded for well over a century. Seattle's coffee culture is serious and sincere, and wandering between independent roasters is a legitimate afternoon activity. The neighbourhoods of Capitol Hill and Fremont each have their own distinct character, well worth exploring beyond the downtown core.

From Seattle-Tacoma International Airport, the Link Light Rail connects directly into the city centre, making it one of the more straightforward airport arrivals in the United States — affordable, reliable, and no taxi negotiation required.

For the money-saving tip: connecting through Chicago O'Hare rather than the East Coast hubs often surfaces the most competitive fares on this route, so it's worth running that comparison before you book. A little flexibility on your connection city can make a meaningful difference to what you pay.

How much are flights from Dublin to Seattle in 2026?

Flight prices from Dublin (DUB) to Seattle (SEA) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $700 roundtrip. Standard fare is $1,000+. Popular carriers on this route include Aer Lingus, United Airlines, American Airlines. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track Dublin to Seattle fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the DUB to SEA route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching.

Pro tip: Book 3-6 months in advance for the best fares, especially for summer travel. Connecting through hubs like Chicago (ORD) or New York (JFK) often yields the most competitive prices.

Looking for business class deals on this route? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.