Cheap flights from Ireland to Seattle from £311
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Seattle departing on 24/5. 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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Icelandair flights from Ireland to Seattle
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Aer Lingus flights from Ireland to Seattle
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How to get the cheapest flight ticket from Ireland 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?
The cheapest month to fly to Seattle from Ireland is in February. Flight prices, which tend to average around £472, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Seattle, with average flight prices from Ireland averaging around £475.
What is the cheapest day to depart on your flight to Seattle?
According to our data, Wednesday is the cheapest day to fly to Seattle from Ireland. The lowest ticket price found for a Wednesday departure recently was £579. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Monday is £797.
What is the cheapest time of day to depart on your flight to Seattle?
According to our data, the cheapest time of day to fly to Seattle is in the evening. momondo users have found flights departing from Ireland to Seattle in the evening for as low as £0. 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 £648.
What is the cheapest Ireland to Seattle/Tacoma Intl flight route?
Fly from Dublin to Seattle/Tacoma Intl for the best Ireland - 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 Ireland when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around £578 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Ireland for as low as £513 on momondo.
What cabin class options are available on Ireland to Seattle/Tacoma Intl flights?
There are 1 cabin classes available to choose from on Ireland 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 Ireland to Seattle/Tacoma Intl?
WestJet, Aer Lingus, and JetBlue are the most popular carriers operating from Ireland 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 Ireland 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 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 Ireland to Seattle on average per day?
As of April 2025, 3 flights take off from Ireland and land in Seattle each day. The most common flight departure time for this route is 15:00, with 100% of daily flights taking off in the afternoon.
How many flights depart from Ireland to Seattle on average per week?
As of April 2025, there are 21 flights per week flying from Ireland to Seattle. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
Cheap Ireland to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Seattle
When did momondo last update prices for flights from Ireland to Seattle/Tacoma Intl Airport?
Prices for flights from Ireland to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Ireland to Seattle/Tacoma Intl Airport?
As of April 2025, there are 3 operators available to choose from for flights from Ireland to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Ireland 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 layovers 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 Ireland to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ireland to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to Seattle is Airbus A330-200 (90.61% of total bookings). The next most popular plane models are Airbus A330-300 (2.79%), Airbus A318/A319/A320/A321 (2.28%), and Airbus A330 (1.27%).
Best airlines flying from Ireland to Seattle
Compare and see reviews for airlines that fly from Ireland to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £365 | Free Cancellation | Rating 6.6 6,735 reviews | |||
| PriceFrom £386 | Free Cancellation | Rating 7.0 478 reviews | |||
| PriceFrom £425 | Free Cancellation | Rating 7.0 1,060 reviews |
Travelling 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 Ireland to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Seattle . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ireland to Seattle with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seattle from Ireland with this policy.
How can momondo help me find flights from Ireland to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ireland to Seattle right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Ireland to Seattle 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.