Cheap flights from Dublin to Seattle from $272
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 4/29. 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
Our best Scandinavian Airlines deals on Dublin to Seattle flight tickets
Icelandair flights from Dublin to Seattle
Our best Icelandair deals on Dublin to Seattle flight tickets
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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 typical price of a round-trip flight between Dublin and Seattle?
What is the cheapest month to fly to Seattle?
In general, February is the cheapest month to fly from Dublin to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $605. If you don’t want to visit Seattle in February, then you should wait until November to fly from Dublin, when ticket prices are also cheap, with an average price of $611.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Dublin is on a Sunday. momondo users have found tickets for Sunday departures for as low as $803. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,257.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Dublin in the morning is the least expensive time of day to depart. momondo users have found prices as low as $750 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $881. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
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 9 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $745 when searching 9 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 $583 on momondo.
What cabin class options are available on Dublin to Seattle/Tacoma Intl flights?
There are 4 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, Scandinavian Airlines, and Icelandair are the most popular carriers operating from Dublin to Seattle/Tacoma Intl
What airlines fly to Seattle?
Aer Lingus, Icelandair and American Airlines 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 68% of people opting to fly with this airline when traveling 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 week?
As of March 2025, there are 6 flights per week flying from Dublin to Seattle. The most common day of the week flights depart is Wed, with 50% of flights taking off 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?
Dublin and Seattle/Tacoma Intl are 4518.4 mi apart from one another. A reasonable flight in good conditions will take 9h 39m.
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 refresh daily.
How many operators does momondo search for flights from Dublin Airport to Seattle/Tacoma Intl Airport?
As of March 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 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 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 license 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 92.51% of the total bookings. Other popular models include Airbus A330-300 with 2.84%, Airbus A330 with 1.29%, and Airbus A320-100/200 with 1.29%.
What is the most popular airline from Dublin to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dublin to Seattle is Aer Lingus (68% of total bookings). The next most popular airlines are Icelandair (18%) and American Airlines (13%).
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 $556 | Free Cancellation | Rating 7.0 476 reviews | |||
| PriceFrom $585 | Free Cancellation | Rating 7.0 1,062 reviews | |||
| PriceFrom $684 | Free Cancellation | Rating 7.2 10,000 reviews |
American Airlines Flights From Dublin to Seattle
Across 2 American Airlines flights from Dublin to Seattle this week, the average price was $832, with the best American Airlines deals starting from $684 round-trip. 10,000 users have rated American Airlines on momondo, with an average score of 7.2/10.
Aer Lingus Flights From Dublin to Seattle
$585 is the best Aer Lingus flight deal from Dublin to Seattle found on momondo over the last 72 hours. The average Aer Lingus ticket price found was closer to $880, however, with flight time and availability significantly affecting the price. Aer Lingus (7.0/10 from 1,062 user reviews) flies into Seattle from Dublin 2 times in an average week so prices can vary.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Dublin to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Seattle. Millions of users trust and use momondo every year so you are in good hands.
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 all potential Dublin to Seattle 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 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.