€362 Find Cheap Flights from Dublin to Seattle – Compare and Save

There aren’t any accommodation options inside Seattle Airport but there are plenty of hotels nearby. At roughly 0.6 km away, the 3-star Hilton Seattle Airport and Conference Centre is closest. The 4-star Crowne Plaza Seattle Airport, the 3-star Radisson Hotel Seattle Airport, and the 2-star Clarion Hotel Seatac are all around 0.8 km away and all offer a shuttle service to and from Seattle Airport. Other nearby options include the Red Lion Hotel, the Seatac Inn, and the Seattle Airport Marriott. All three hotels are within about 1 km of Seattle Airport.

Seattle Airport is around 25 km from Seattle city centre and is well connected by public and private transport routes. Three good options are train, shuttle bus (Airporter), or taxi. The train leaves from Seattle Airport approximately every 15min. The journey to central Seattle takes around 40min and a single ticket costs about $3 (€2.60). Several shuttle bus services (called Airporters) operate from Seattle Airport. Prices are around $24-60.50 (€20-50) (depending on group size and distance to accommodation) one-way and the journey to downtown Seattle takes around 20min. A taxi from Seattle Airport to Seattle city centre can cost between $50-75 (€42-63) depending on traffic. Journey times are around 20min.

Among airlines operating Dublin to Seattle flights:

• Aer Lingus: offers free seat selection
• American Airlines: offers free seat selection
• Iberia: offers free seat selection

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

Only Aer Lingus operates flights between Dublin and Seattle.

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

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
• American Airlines: a cabin bag and a checked bag in Economy class
• Iberia: 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.

Two cabin classes are available on flights from Dublin to Seattle:

• Economy class
• Business Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average €541 return via Toronto Pearson Intl (YYZ), compared with €676 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €23–€87 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 American Airlines. Other aircraft seen on the route include Airbus A330-300 variants.

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

• London Heathrow (LHR) – 43% of one-stop connections
• Reykjavik Keflavik Intl (KEF) – 37% of one-stop connections
• Amsterdam Schiphol (AMS) – 10% of one-stop connections
• Chicago O'Hare Intl (ORD) – 4% of one-stop connections

London Heathrow (LHR) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 14% on the Dublin to Seattle route. Wednesday is the cheapest departure day at €619 return on average, while Thursday is the most expensive at €714, a difference of €95. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Dublin to Seattle route, 11% of flights were delayed in the past 3 months, with delays averaging 2 hours 48 minutes.

Seattle Marriott Waterfront is one of the most viewed places in Seattle on KAYAK.

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

• Earliest: departs at 15:25 and lands at 01:10
• Latest: departs at 15:25 and lands at 01:10.

The flight takes about 9h 45m.

Last-minute fares on this route (booked within 2 weeks of departure) run 26% above the route average of €652. Book 26 weeks before departure for the lowest fares.

A direct flight from Dublin to Seattle takes 9h 45m, 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.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €410 to €1,994. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Dublin to Seattle are currently lower than usual. Average one-way flight prices are about €522, which is 15% below the typical average for this route.

Aer Lingus is the only airline operating Dublin to Seattle flights. 89% of its flights are on time.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time of 13h 03m, compared to 13h 27m via Amsterdam Schiphol (AMS) and 14h 26m via Dallas/Fort Worth (DFW).

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

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar

Return flights from Dublin to Seattle range from €530 to €818, with an average of €652 over the past 12 months. Anything below €530 counts as a good deal.