DUB - SEA

C$ 580 Find Cheap Flights from Dublin to Seattle – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 797
Typical prices: C$ 849-C$ 1,311
Icelandair
Sun 14/1Thu 18/1
DUB - SEA • 1 stop
Cheapest direct flights
C$ 1,344
Typical prices: C$ 855-C$ 1,383
Aer Lingus
Fri 28/9Mon 8/10
DUB - SEA • Direct
Direct flights
There are currently no direct flights between Dublin and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Avoid delays
Most punctual • 89% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 868 (round-trip)
Shortest trip • 13h 03m (one-way)
Insights
Insights
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We hope you enjoy your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Dublin to Seattle (DUB-SEA)

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

Recent round-trip flight deals from Dublin to Seattle

Thu, 14 Jan - Mon, 18 Jan
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
C$ 797Icelandair
Thu, 14 Jan - Mon, 18 Jan
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
C$ 799Icelandair
Mon, 23 Nov - Mon, 7 Dec
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
C$ 801Icelandair
Wed, 25 Nov - Thu, 3 Dec
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
C$ 833Icelandair
Wed, 25 Nov - Wed, 9 Dec
Icelandair Logo
11:30 a.m. - 5:00 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 30m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 p.m. - 10:15 a.m.SEA  Seattle/Tacoma Intl-DUB Dublin
11h 40m1 stop Reykjavik Keflavik Intl
C$ 865Icelandair
Tue, 24 Nov - Sat, 5 Dec
Delta Logo
5:45 a.m. - 11:47 a.m.DUB  Dublin-SEA Seattle/Tacoma Intl
14h 02m1 stop Amsterdam Schiphol
Delta Logo
4:05 p.m. - 2:10 p.m.SEA  Seattle/Tacoma Intl-DUB Dublin
14h 05m1 stop Paris Charles de Gaulle
C$ 870Delta
Thu, 26 Nov - Sat, 5 Dec
Multiple Airlines Logo
5:45 a.m. - 11:47 a.m.DUB  Dublin-SEA Seattle/Tacoma Intl
14h 02m1 stop Amsterdam Schiphol
Multiple Airlines Logo
4:05 p.m. - 2:10 p.m.SEA  Seattle/Tacoma Intl-DUB Dublin
14h 05m1 stop Paris Charles de Gaulle
C$ 871Multiple Airlines
Thu, 8 Oct - Wed, 21 Oct
Delta Logo
11:10 a.m. - 4:35 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
13h 25m1 stop Amsterdam Schiphol
Delta Logo
6:40 p.m. - 6:25 p.m.SEA  Seattle/Tacoma Intl-DUB Dublin
15h 45m1 stop Paris Charles de Gaulle
C$ 872Delta
Fri, 2 Oct - Tue, 6 Oct
Delta Logo
8:55 a.m. - 4:35 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
15h 40m1 stop Amsterdam Schiphol
Delta Logo
6:40 p.m. - 6:25 p.m.SEA  Seattle/Tacoma Intl-DUB Dublin
15h 45m1 stop Paris Charles de Gaulle
C$ 874Delta
Fri, 20 Nov - Fri, 27 Nov
Delta Logo
5:45 a.m. - 3:25 p.m.DUB  Dublin-SEA Seattle/Tacoma Intl
17h 40m2 stops Amsterdam Schiphol Portland
Delta Logo
3:25 p.m. - 2:10 p.m.SEA  Seattle/Tacoma Intl-DUB Dublin
14h 45m1 stop Paris Charles de Gaulle
C$ 875Delta
Booking Insights

Price, demand, and travel trends for Dublin to Seattle flights

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

How much is a round-trip flight from Dublin to Seattle?

Round-trip flights from Dublin to Seattle start at C$ 797. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 849 to C$ 1,311. The lowest price found in the past 5 days was C$ 797 on Icelandair.

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

Wednesday is the cheapest day of the week to fly from Dublin to Seattle and is 6% cheaper than the average day. Thursday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • April is the cheapest month to fly from Dublin to Seattle at C$ 840 round-trip.
  • July (C$ 1,448) and August (C$ 1,408) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 72% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Dublin to Seattle the cheapest?

Flights from Dublin to Seattle are cheapest 26 weeks before departure. Booking in this window typically costs about 46% 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 Dublin to Seattle

 
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 Dublin to Seattle flights

Low season

October

Cheapest flight

C$ 580
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flights from Dublin to Seattle

When to book flights from Dublin to Seattle

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

Your Dublin to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Are there hotels at Seattle-Tacoma Airport (SEA)?

    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.

  • How do I get from Seattle Airport to Seattle city centre?

    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.

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

    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.

  • Which airlines are available on the route from Dublin to Seattle?

    Only Aer Lingus operates flights between Dublin and Seattle.

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

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

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

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

    • Aer Lingus: a carry-on bag and a checked bag in Economy Class
    • American Airlines: a carry-on bag and a checked bag in Economy Class
    • Iberia: a carry-on 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.

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

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

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

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 868 round-trip via Toronto Pearson Intl (YYZ), compared to C$ 1,084 for direct.

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 38–C$ 139 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 Dublin to Seattle?

    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.

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

    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.

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

    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 C$ 992 round-trip on average, while Thursday is the most expensive at C$ 1,145, a difference of C$ 153. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Dublin to Seattle?

    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.

  • Which popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Lumen Field, T-Mobile Park, and Seattle Waterfront. These are among the most viewed places in Seattle on KAYAK.

  • What are the earliest and latest flights from Dublin to Seattle?

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

    • Earliest: departs at 3:25 pm and lands at 1:10 am
    • Latest: departs at 3:25 pm and lands at 1:10 am.

    The flight takes about 9h 45m.

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

    Last-minute fares on this route – booked within 2 weeks of departure – run 26% above the route average of C$ 1,045. Book 26 weeks before departure for the lowest fares.

  • How long does a flight from Dublin to Seattle take?

    A direct flight from Dublin to Seattle takes 9h 45m, covering 11,714 km.

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

    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.

  • Have flight prices from Dublin to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 797 to C$ 3,197. That means the highest observed fare was about 4x higher than the lowest one.

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

    One-way fares from Dublin to Seattle are currently lower than usual. Average one-way flight prices are about C$ 623, which is 37% below the typical average for this route.

  • How does Aer Lingus's on-time performance compare to other airlines on Dublin to Seattle flights?

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

  • How do delay rates compare for morning and evening flights from Dublin to Seattle?

    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.

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

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

  • What is the time difference between Dublin and Seattle?

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

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

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

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

    Round-trip flights from Dublin to Seattle range from C$ 849 to C$ 1,311, with an average of C$ 1,045 over the past 12 months. Anything below C$ 849 counts as a good deal.

Your guide to booking Dublin to Seattle 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 Wednesday departure instead of Thursday. On this route, Wednesday flights average C$ 992 – about C$ 153 less than Thursday (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Dublin to Seattle trip for April. Fares historically average C$ 840 round-trip in that month – typically C$ 608 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Toronto Pearson Intl Airport (YYZ) can be cheaper than flying direct. The cheapest layover option averages C$ 868 round-trip on this route – about C$ 216 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 Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • Seattle-Tacoma Airport (SEA) holds a huge selection of artworks. If you have time, you can visit the Art Walk, which is an 800 m stretch along the airport’s central terminal where contemporary artworks are displayed.
  • Several airline lounges at Seattle Airport allow passengers to pay for entrance. The Alaska Lounges charge around €42, the Centurion Lounge costs about €42, and the Club at SEA Lounges cost around €33 to enter.
  • A 24h children’s play area is available in Seattle Airport’s central terminal close to the A-gates. There, you will also find a quiet Mother’s Room with dimmed lighting, rocking chairs, and baby-care facilities.
  • You’ll find dedicated family lanes at the security area of Dublin Airport (DUB). The lanes are wider than normal to allow families with buggies/prams to pass through easily.

Prefer to fly direct from Dublin to Seattle?

 
Find which airlines fly direct from Dublin Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Dublin to Seattle/Tacoma Intl

Monday

Aer Lingus

Aer Lingus

Tuesday

Aer Lingus

Aer Lingus

Wednesday

Aer Lingus

Aer Lingus

Thursday

Aer Lingus

Aer Lingus

Friday

Aer Lingus

Aer Lingus

Saturday

Aer Lingus

Aer Lingus

Sunday

Aer Lingus

Aer Lingus

See more nonstop flights

Direct returns

Seattle/Tacoma Intl to Dublin

Monday

Aer Lingus

Aer Lingus

Tuesday

Aer Lingus

Aer Lingus

Wednesday

Aer Lingus

Aer Lingus

Thursday

Aer Lingus

Aer Lingus

Friday

Aer Lingus

Aer Lingus

Saturday

Aer Lingus

Aer Lingus

Sunday

Aer Lingus

Aer Lingus

See more nonstop flights

More options for your flight from Dublin to Seattle

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