€208 Find Cheap Flights from Seattle to Dublin – Compare and Save

Among airlines operating Seattle to Dublin flights:

• Aer Lingus: offers extra legroom; offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Aer Lingus operates flights between Seattle and Dublin.

Flights from Seattle to Dublin usually depart from Seattle/Tacoma Intl (SEA) and arrive at Dublin (DUB).

Here are some options for this route, based on selected ticket types and cabin classes:

• Aer Lingus: a cabin bag and a checked bag in Economy class
• British Airways: a cabin bag and a checked bag in Economy class
• American Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Seattle to Dublin.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average €394 return via Montreal Pierre Elliott Trudeau Intl (YUL), compared with €666 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €47–€86 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A330-200 family is used most often on this route, operated mainly by Aer Lingus and British Airways. Other aircraft seen on the route include Airbus A330-900neo variants.

One-stop flights from Seattle to Dublin most commonly connect through:

• Reykjavik Keflavik Intl (KEF) – 63% of one-stop connections
• London Heathrow (LHR) – 11% of one-stop connections
• Istanbul (IST) – 4% of one-stop connections
• Toronto Pearson Intl (YYZ) – 4% of one-stop connections

Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 18% on the Seattle to Dublin route. Wednesday is the cheapest departure day at €588 return on average, while Thursday is the most expensive at €709, a difference of €121. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Evening is the busiest departure period on Seattle to Dublin flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Night flights for 0%.

Some of the most popular sights in Dublin are Dublin City Centre, Bord Gáis Energy Theatre, and 3Olympia Theatre. These are among the most viewed places in Dublin on KAYAK.

These are the earliest and latest flight times available from Seattle to Dublin:

• Earliest: departs at 19:10 and lands at 04:16
• Latest: departs at 19:10 and lands at 04:16.

The flight takes about 9h 06m.

Last-minute fares on this route (booked within 2 weeks of departure) run 25% above the route average of €629. Book 26 weeks before departure for the lowest fares.

A direct flight from Seattle to Dublin takes 9h 06m, covering 11,714 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Seattle to Dublin are currently lower than usual. Average one-way flight prices are about €220, which is 53% below the typical average for this route.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time of 13h 03m, compared to 13h 23m via Amsterdam Schiphol (AMS) and 13h 30m via Reykjavik Keflavik Intl (KEF).

Dublin is 8 hours ahead of Seattle (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Dublin Airport (DUB) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:
· Budget
· Sixt
· Easirent
· Europcar
· Thrifty

Return flights from Seattle to Dublin range from €466 to €840, with an average of €629 over the past 12 months. Anything below €466 counts as a good deal.