SEA - DUB

$288 Find Cheap Flights from Seattle to Dublin - Compare and Save

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Everything you should know

Cheapest round-trip
$612
Typical prices: $608-$1,031
Multiple Airlines
Mon 11/26Mon 12/3
SEA - DUB • 3 stops
Cheapest non-stop
$684
Typical prices: $662-$1,090
Aer Lingus
Fri 4/6Fri 4/20
SEA - DUB • Non-stop
Nonstop flights
There are currently no direct flights between Seattle and Dublin. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 33% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $500 (round-trip)
Shortest trip • 12h 54m (one-way)
Insights
Insights
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We hope you love your trip to Dublin!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Seattle to Dublin (SEA-DUB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Dublin

Thu, Nov 26 - Thu, Dec 3
Multiple Airlines Logo
1:50 pm - 9:25 amSEA  Seattle/Tacoma Intl-DUB Dublin
35h 35m3 stops Frankfurt am Main Stockholm Arlanda Kastrup Copenhagen
Multiple Airlines Logo
8:45 pm - 8:59 pmDUB  Dublin-SEA Seattle/Tacoma Intl
32h 14m3 stops Stockholm Arlanda Frankfurt am Main Toronto Pearson Intl
$612Multiple Airlines
Mon, Feb 15 - Fri, Feb 26
Icelandair Logo
2:35 pm - 10:15 amSEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 am - 5:00 pmDUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
$636Icelandair
Wed, Jan 27 - Thu, Feb 11
Icelandair Logo
2:35 pm - 10:15 amSEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 am - 5:00 pmDUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
$639Icelandair
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
2:35 pm - 6:20 pmSEA  Seattle/Tacoma Intl-DUB Dublin
19h 45m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
Multiple Airlines Logo
1:30 pm - 5:00 pmDUB  Dublin-SEA Seattle/Tacoma Intl
35h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$645Multiple Airlines
Tue, Apr 6 - Tue, Apr 20
Aer Lingus Logo
7:10 pm - 12:15 pmSEA  Seattle/Tacoma Intl-DUB Dublin
9h 05mnonstop
Aer Lingus Logo
3:25 pm - 5:10 pmDUB  Dublin-SEA Seattle/Tacoma Intl
9h 45mnonstop
$684Aer Lingus
Tue, Feb 2 - Fri, Feb 26
British Airways Logo
6:45 pm - 4:55 pmSEA  Seattle/Tacoma Intl-DUB Dublin
14h 10m1 stop London Heathrow
British Airways Logo
10:50 am - 4:50 pmDUB  Dublin-SEA Seattle/Tacoma Intl
14h 00m1 stop London Heathrow
$690British Airways
Tue, Mar 16 - Tue, Mar 23
British Airways Logo
7:45 pm - 4:55 pmSEA  Seattle/Tacoma Intl-DUB Dublin
14h 10m1 stop London Heathrow
British Airways Logo
11:00 am - 5:50 pmDUB  Dublin-SEA Seattle/Tacoma Intl
13h 50m1 stop London Heathrow
$690British Airways
Sat, Feb 13 - Wed, Apr 21
United Airlines Logo
10:51 pm - 7:30 amSEA  Seattle/Tacoma Intl-DUB Dublin
24h 39m1 stop Newark
United Airlines Logo
9:20 am - 9:18 amDUB  Dublin-SEA Seattle/Tacoma Intl
31h 58m1 stop Vancouver Intl
$692United Airlines
Sat, Feb 13 - Fri, Apr 23
United Airlines Logo
10:51 pm - 7:30 amSEA  Seattle/Tacoma Intl-DUB Dublin
24h 39m1 stop Newark
United Airlines Logo
9:20 am - 9:18 amDUB  Dublin-SEA Seattle/Tacoma Intl
31h 58m1 stop Vancouver Intl
$692United Airlines
Tue, Apr 6 - Tue, Apr 27
Aer Lingus Logo
7:10 pm - 12:15 pmSEA  Seattle/Tacoma Intl-DUB Dublin
9h 05mnonstop
Aer Lingus Logo
3:25 pm - 5:10 pmDUB  Dublin-SEA Seattle/Tacoma Intl
9h 45mnonstop
$711Aer Lingus
Booking Insights

Price, demand and travel trends for Seattle to Dublin flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Seattle to Dublin?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Seattle to Dublin. It’s 8% cheaper than the average day, while Thursday is the most expensive, with prices 17% higher.

What’s the cheapest month to fly from Seattle to Dublin?

•February is the cheapest month to fly from Seattle to Dublin at $518 round-trip.
•June ($1,130) and December ($957) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 118% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Seattle to Dublin the cheapest?

Flights from Seattle to Dublin are cheapest 21 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Seattle to Dublin

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on DUB

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Harriet Baskas

Harriet Baskas

Expert on SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for Seattle to Dublin flights

Low season

January

Cheapest flight

$288
Beat the crowds with an average 52% drop in travelers.
The most popular month to fly with an average 39% increase in travelers.
One-way flight from Seattle to Dublin

When to book flights from Seattle to Dublin

Are your dates flexible? Find out the best times to travel from Seattle to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Dublin flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Dublin?

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Seattle to Dublin?

    A nonstop flight from Seattle to Dublin takes 00m, covering 4,523 miles.

  • Do I need a passport to fly from Seattle to Dublin?

    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.

  • How much should I expect to pay for a Seattle to Dublin flight?

    Round-trip flights from Seattle to Dublin range from $608 to $1,031, with an average of $777 over the past 12 months. Anything below $608 counts as a good deal.

  • How expensive are last-minute Seattle to Dublin flights?

    Last-minute fares on this route (booked within two weeks of departure) run 30% above the $777 route average. Book 21 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Seattle to Dublin?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $500 round-trip via Kastrup Copenhagen (CPH), compared to $844 for nonstop.

  • What is the standard checked-bag allowance on flights from Seattle to Dublin?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $55–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Seattle to Dublin?

    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.

  • How are flight prices from Seattle to Dublin looking right now?

    One-way fares from Seattle to Dublin are currently lower than usual. Average one-way flight prices are about $335, which is 38% below the typical average for this route.

  • What car rental options are available at Dublin Airport (DUB)?

    Dublin Airport (DUB) hosts 5 major car rental companies, with daily rates averaging $31 for economy cars. Top options include:

    • Budget
    • Sixt
    • Easirent
    • Europcar
    • Thrifty

  • Which airports can I use when flying from Seattle to Dublin?

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

  • Which airports do connecting flights from Seattle to Dublin pass through?

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

    • Reykjavik Keflavik Intl (KEF) - 57% of one-stop connections
    • London Heathrow (LHR) - 16% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 5% of one-stop connections
    • Istanbul (IST) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Dublin?

    Yes. Flexible dates can save you up to 22% on flights from Seattle to Dublin. Monday is the cheapest departure day at $718 round-trip on average, while Thursday is the most expensive at $910, a difference of $192.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Seattle to Dublin?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 12h 54m, compared with 13h 24m via Amsterdam Schiphol (AMS) and 13h 27m via Reykjavik Keflavik Intl (KEF).

  • What is the time difference between Seattle and Dublin?

    Dublin is 7 hours ahead of Seattle (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Dublin?

    Some of the most popular sights in Dublin are St. Stephen's Green, St. Patrick's Cathedral and Aviva Stadium. These are among the most viewed places in Dublin on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Seattle to Dublin flights?

    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.

  • Which airlines include bags at no extra cost on Seattle to Dublin flights?

    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 always check the fare details before booking.

  • How can I fly from Seattle to Dublin?

    Air Canada, Icelandair, Alaska Airlines, Delta, Finnair, British Airways, and Air France are among some of the airlines that operate flights with one stop. Layovers occur in such places as Iceland (KEF), Boston (BOS), Amsterdam (AMS), Philadelphia (PHL), New York (JFK), and Dallas (DFW). Icelandair and Air Canada operate flights with two stops, with layovers in cities such as London (LHR), Toronto (YYZ), Munich (MUC), and Montreal (YUL).

  • Where can I park my car long-term at SEA before I depart for DUB?

    SEA has parking garages on airport grounds where you can park your car long-term. These garages are within walking distance to the terminals. However, the fourth floor is the shortest walk to the terminals, and therefore, the spaces tend to be more expensive. If you reserve your parking space online, your rates will generally be less expensive.

  • If I want to stay the night near SEA before my flight to DUB, are there hotels nearby?

    There are several affordable hotels near SEA that provide free airport shuttle service that will get you to your terminal in time for your flight. The Radisson Hotel Seattle Airport and The Hilton Seattle Airport and Conference Center are two of these hotels.

  • When I arrive in Dublin, where can I exchange my currency?

    ICE (International Currency Exchange) is available throughout the Dublin airport. You can find a counter near the baggage halls in terminal 1 at Gates 102 to 113 and Gates 301 to 313. You can also find an ICE counter in Terminal 2 just beyond security.

Your guide to booking Seattle to Dublin flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Thursday. On this route, Monday flights average $718, about $192 less than Thursday fares (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Dublin trip for February. Fares historically average $518 round-trip in that month - typically $612 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Kastrup Copenhagen Airport (CPH) can be cheaper than flying direct. The cheapest layover option averages $500 round-trip on this route - about $345 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Dublin Airport.

    • Clayton Hotel Dublin Airport
    • Maldron Hotel Dublin Airport
    • Metro Hotel Dublin Airport
  • An Airlink Bus will take you directly into Dublin from Dublin Airport (DUB), where you will be near railway and bus stations that can take you wherever you need to go throughout the metropolitan area. There is no train station at the airport, but from the airport, you can reach most train stations by bus or taxi.
  • The USO at the Seattle-Tacoma International Airport (SEA) is a lounge designed for the benefit of active-duty military service members and their families. This USO features places to sleep, showers, a library, a nursery, children's toys and more.
  • If you are traveling with children from SEA to DUB, SEA provides areas specifically where kids can play between concourses A and B. Parents can sit back and watch their children play with the airport and airplane-themed toys.
  • DUB provides a Multi-Faith Prayer Room in Terminal 2 on the departures level. This room is designed to be a quiet place of sanctuary that will accept all and give offense to none. It is open 24h a day. There are chairs and prayer mats available. You must remove your shoes and turn off your cell phone upon entry.
  • When you arrive at DUB, there is a designated place for passengers arriving from a foreign country who have to spend extra time going through customs to meet up with people picking them up. These spots are next to the information desk in Arrivals Terminal 1 and next to the Spar Shop in Arrivals Terminal 2.

More options for your flight from Seattle to Dublin

Complete your trip to Dublin with a hotel stay or car rental