Cheap flights from Dublin to Seattle

from as little as £602

8 nights in Seattle, departing Dublin on 16 / Aug / 2025 with Icelandair (price found 80 hours ago)

Subject to availability, prices correct of the last 24 hours
Seattle

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The Dublin / Seattle route

All 7274 km of it

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Seattle flight facts

What you need to know

Alternative flights from the UK to Seattle

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Alternative flights from Dublin to Seattle

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Seattle

16 / Aug / 2025 is currently the lowest priced day of the year to fly the Dublin/Seattle route. There are around 50 flights on any given week from the UK to Seattle and the cheapest month to fly right now is August.

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Min / Max Temperature (°C)
LOWEST

2 °C

AVG

12 °C

HIGHEST

25 °C

Rainfall (mm)
LOWEST

21 mm

AVG

81 mm

HIGHEST

170 mm

Key facts about Seattle

How to get cheap flights from Dublin to Seattle

Tips and advice from our flight experts

You’ve searched for flights from Dublin to Seattle. 50 flights go to or via Seattle every week, and we've searched them all to make it easy for you to compare your flight options. On average, Icelandair has the cheapest flights, so look out for them in your search results.

We scan thousands of airfares from hundreds of airlines across the globe. We've found that 12 airlines operate the 7274 km flight from Dublin to Seattle. Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute flight deal.

British Airways, Delta Air Lines & JetBlue are the most popular airlines for flying from Dublin to Seattle, so look out for their deals and offers. To find the best price, try searching by month. Or, if you want to bag a last-minute offer, keep an eye on Netflights to monitor the prices.

Flights from Dublin to Seattle normally take 14 hrs 25 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our holiday package and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.

Other popular destinations near Seattle

Where other people are flying to

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