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How to get the cheapest flight ticket from Seattle to Dublin
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Dublin?
If you aren’t able to travel during the month of January, then book flights to Dublin from Seattle during November instead. Flights to Dublin in November, while not as cheap as those in January, still average around €430.
What is the cheapest time of day to depart on your flight to Dublin?
Our data shows that the cheapest Seattle to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €523. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €762 on average. Flights to Dublin from Seattle in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Seattle/Tacoma Intl to Dublin flight route?
Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Dublin flight prices
How far in advance should I book a flight to Dublin?
You are more likely to see cheaper flights to Dublin from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €573 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Seattle for as low as €530 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Dublin flights?
There are 1 cabin classes available to choose from on Seattle/Tacoma Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Seattle to Dublin flight prices changed over time?
As of July 2025, prices for Seattle to Dublin flights are approximately 41% cheaper when compared to flights at the same time last year.
How many flights depart from Seattle to Dublin on average per day?
As of July 2025, there are 1 flights per day flying from Seattle to Dublin. The most common time of day flights depart is 19:00, with 100% of flights taking off in the evening.
How many flights depart from Seattle to Dublin on average per week?
9 flights are operational weekly from Seattle to Dublin as of July 2025. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.
When to book flights from Seattle to Dublin
Cheap Seattle to Dublin (SEA to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Dublin
Best price found | €141 |
|---|---|
Fastest flight time | 9h 05m |
Direct flights | Mon, Tue, Wed, Thu, Sat and Sun |
Airports in Dublin | 1 airport |
How far is Seattle/Tacoma Intl to Dublin by plane?
The distance between Seattle/Tacoma Intl and Dublin is about 7271.7 km. 9h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Dublin Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Dublin Airport were last updated today.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Dublin Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Dublin?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Dublin is Airbus A330-200, representing 53.45% of all bookings. The subsequent popular models are Airbus A330-900neo at 13.04%, Boeing 787-10 Dreamliner at 8.80%, and Boeing 777-300ER at 6.96%.
Travelling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Dublin?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Dublin for you.
Can I find flights from Seattle to Dublin with flexible booking policies on momondo?
All flight searches from Seattle to Dublin on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to Dublin?
Once all potential Seattle to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Dublin right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.