Cheap flights from Dublin to Seattle from €315
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Seattle departing on 21/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Scandinavian Airlines flights from Dublin to Seattle
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How to get the cheapest flight ticket from Dublin to Seattle
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 Seattle?
If you’re not able to fly to Seattle in February, then January is your next best option. Flight prices from Dublin to Seattle during January average around €549.
What is the cheapest day to depart on your flight to Seattle?
Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as €646. Flights from Dublin to Seattle on a Sunday will generally be more expensive and average around €792. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Seattle?
Our data shows that the cheapest Dublin to Seattle flights are usually those with departure times in the morning. Our users have found flights to Seattle in the morning for as low as €576. Flights in the afternoon are often more expensive, with an average ticket price of €700.
What is the cheapest Dublin to Seattle/Tacoma Intl flight route?
Fly from Dublin to Seattle/Tacoma Intl for the best Dublin - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Dublin when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around €643 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dublin for as low as €589 on momondo.
What cabin class options are available on Dublin to Seattle/Tacoma Intl flights?
There are 1 cabin classes available to choose from on Dublin to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Dublin to Seattle/Tacoma Intl?
WestJet, Icelandair, and Scandinavian Airlines are the most popular carriers operating from Dublin to Seattle/Tacoma Intl
Which airlines fly to Seattle?
Aer Lingus, Icelandair and British Airways are the top three most popular airlines that fly to Seattle from Dublin according to our data. Aer Lingus is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dublin to Seattle on average per day?
As of June 2025, there are 2 flights per day flying from Dublin to Seattle. The most common time of day flights depart is 16:00, with 100% of flights taking off in the afternoon.
How many flights depart from Dublin to Seattle on average per week?
The number of flights available between Dublin and Seattle is 20 per week as of June 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
When to book flights from Dublin to Seattle
Cheap Dublin to Seattle (DUB to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Seattle
How far is Dublin to Seattle/Tacoma Intl by plane?
There are 7271.7 km between Dublin and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 9h 40m.
When did momondo last update prices for flights from Dublin Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Dublin Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Dublin Airport to Seattle/Tacoma Intl Airport?
As of June 2025, there are 3 operators available to choose from for flights from Dublin Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Dublin Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl 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 Dublin to Seattle?
Based on momondo bookings for flights between Dublin and Seattle, the leading plane model is Airbus A330-200, making up 80.48% of the total bookings. Other popular models include Airbus A318/A319/A320/A321 with 8.56%, Airbus A330-300 with 3.08%, and Boeing 737-900 Passenger/BBJ3 (winglets) with 2.74%.
What is the most popular airline from Dublin to Seattle?
momondo data reveals that the most frequently booked airline on the route from Dublin to Seattle is Aer Lingus, representing 60% of all bookings. The subsequent popular airlines are Icelandair at 26% and British Airways at 14%.
Best airlines flying from Dublin to Seattle
Compare and see reviews for airlines that fly from Dublin to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €446 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom €504 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom €530 | Free Cancellation | Rating 6.6 7,015 reviews |
Aer Lingus Flights From Dublin to Seattle
The lowest priced Aer Lingus flight from Dublin to Seattle from the last 72 hours was €582. Generally, Aer Lingus has 6 flights on this route every week with an average price of €771. Aer Lingus is rated 7.1/10 by our users.
British Airways Flights From Dublin to Seattle
British Airways is also a popular choice for this route. British Airways flight deals for Dublin to Seattle start from as low as €611 round-trip, depending on your selected dates, with average British Airways deals seen on momondo around €934. British Airways operates 7 flights to Seattle from Dublin in an average week. Users have rated it 6.6/10 across 7,015 reviews.
Why use momondo?
Why should I use momondo to find a flight deal from Dublin to Seattle?
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 Dublin to Seattle for you.
Can I find flights from Dublin to Seattle with flexible booking policies on momondo?
Flights from Dublin to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Dublin to Seattle?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Dublin.
I’m not ready to book a flight from Dublin to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Dublin and alert you when they change.