Seattle (SEA) → Dublin (DUB)

7,284 km
9h 36m flight
From $630
Dublin destination photo

About Seattle to Dublin Flights

Discover the best flights from Seattle to Dublin, covering 7,284 km in approximately 9h 36m. Seattle (SEA) to Dublin (DUB) is one of the major long-haul routes connecting United States and Ireland. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Seattle to Dublin.

12-Month Price History

Flight prices from Seattle to Dublin vary significantly throughout the year. February typically offers the best deals with average prices around $1265, while July sees the highest prices, averaging $2129. Savvy travelers can save up to 41% by choosing their travel dates wisely.

Best Time to Fly

Cheapest Month

February

Save up to 40% on average

Most Expensive

July

Peak season pricing

Book in Advance

175 days

For best prices

Booking Tips

For the best prices on Seattle to Dublin flights, we recommend booking 115 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.

Airlines Serving This Route

Ryanair

FR

Economy

$1420

Business

-

First

-

United Airlines

UA

Economy

$1820

Business

$7980

First

$11580

Alaska Airlines

AS

Economy

$1850

Business

$7300

First

$11450

Delta Air Lines

DL

Economy

$2110

Business

$6510

First

$13450

British Airways

BA

Economy

$2120

Business

$9080

First

$12400

American Airlines

AA

Economy

$2310

Business

$7080

First

$13090

Aer Lingus

EI

Economy

$2410

Business

$8060

First

$11410

Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.

Alternative Flight Options

Belfast destination photo

SeattleBelfast

Seattle-Tacoma International (SEA) to Belfast International (BFS)

Distance: 7,184 km

Average price: $1531

View this route →

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Frequently Asked Questions

How long is the flight from Seattle to Dublin?

The flight time from Seattle (SEA) to Dublin (DUB) is approximately 9 hours and 36 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.

What is the distance between Seattle and Dublin?

The aerial distance between Seattle and Dublin is 7,284 kilometers (4,526 miles). This is the straight-line distance, which is used to calculate flight times.

Which airlines fly from Seattle to Dublin?

Several airlines operate flights between Seattle and Dublin, including Delta Air Lines, Alaska Airlines, Ryanair and 4 more airlines. Most flights on this route include one or more stops.

What is the cheapest month to fly from Seattle to Dublin?

Based on historical data, February typically offers the lowest airfares for flights from Seattle to Dublin. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.

How far in advance should I book my flight to Dublin?

For the best prices on Seattle to Dublin flights, we recommend booking 147 days in advance. International flights generally require earlier booking than domestic routes.

Do I need a visa to travel from Seattle to Dublin?

Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Ireland should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.

What is the time difference between Seattle and Dublin?

Seattle operates on America/Los_Angeles time zone, while Dublin is in the Europe/Dublin time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.