Cheap flights from Seattle to Dublin from C$ 260
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Dublin departing on 13/7. 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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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’re not able to fly to Dublin in January, then November is your next best option. Flight prices from Seattle to Dublin during November average around C$ 691.
What is the cheapest day to depart on your flight to Dublin?
On average, the least expensive day to fly to Dublin from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as C$ 837. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around C$ 1,171. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.
What is the cheapest time of day to depart on your flight to Dublin?
According to our data, the cheapest time of day to fly to Dublin is in the morning. momondo users have found flights departing from Seattle to Dublin in the morning for as low as C$ 724. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,069.
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 C$ 921 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Seattle for as low as C$ 851 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.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Dublin?
Icelandair, United Airlines, and SWISS are the most popular carriers operating from Seattle/Tacoma Intl to Dublin
Which airlines fly to Dublin?
Aer Lingus, Icelandair and British Airways are the top three most popular airlines that fly to Dublin from Seattle according to our data. Aer Lingus is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Dublin on average per day?
As of June 2025, 2 flights take off from Seattle and land in Dublin each day. The most common flight departure time for this route is 7:00p.m., with 100% of daily flights taking off in the evening.
How many flights depart from Seattle to Dublin on average per week?
The number of flights available between Seattle and Dublin 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 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
How far is Seattle/Tacoma Intl to Dublin by plane?
A flight from Seattle/Tacoma Intl to Dublin will travel around 7271.7 km. Flights usually cover this in 11h 20m, depending on flying conditions and air traffic around both airports.
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 are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Dublin Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Dublin Airport is 3 as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
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%.
What is the most popular airline from Seattle to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Dublin is Aer Lingus (61% of total bookings). The next most popular airlines are Icelandair (25%) and British Airways (14%).
Best airlines flying from Seattle to Dublin
Compare and see reviews for airlines that fly from Seattle to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 572 | Free Cancellation | Rating 7.0 513 reviews | |||
| PriceFrom C$ 596 | Free Cancellation | Rating 6.6 7,081 reviews | |||
| PriceFrom C$ 606 | Free Cancellation | Rating 7.1 1,140 reviews |
Aer Lingus Flights From Seattle to Dublin
The lowest priced Aer Lingus flight from Seattle to Dublin from the last 72 hours was C$ 443. Generally, Aer Lingus has 6 flights on this route every week with an average price of C$ 697. Aer Lingus is rated 7.1/10 by our users.
British Airways Flights From Seattle to Dublin
Another popular option for Seattle to Dublin flights is British Airways (6.6/10, 7,081 ratings). British Airways flies from Seattle to Dublin around 7 times per week, with deals starting from C$ 436 round-trip and rising to an average price of around C$ 1,043.
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?
Finding the right flight to Dublin from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.
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?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Dublin.
I’m not ready to book a flight from Seattle to Dublin right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.