Cheap Flights from Seattle, WA to Dublin from $253

Return flight: Dublin – Seattle

On Cheapflightsplus.com you will find 153 connecting flights from Seattle to Dublin. You can compare airfare deals from 18 airlines and multiple travel sites from $253, book and save on cheap plane tickets and last minute offers. Also check out SEA-DUB flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Dublin depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Dublin is 7284 miles. Time difference between the cities is 8h. Airplanes depart 05:02 to 23:59 from 3 Seattle airports and arrive 05:02 to 23:59 to 1 Dublin airport. Average flight time is 18h 20m.

  • The fastest flight 11h 20m
  • Average flight time 18h 20m
  • The earliest flight 05:02
  • The latest flight 23:59
  • Distance 4527 ml

The cheapest months to travel to Dublin are july (from 251 $), october (from 315 $), january (from 353 $).

The most expensive months are december (from 587 $), may (from 553 $), november (from 503 $).

What is the lowest airfare Seattle to Dublin?

The cheapest plane ticket found by our users is $253. This airfare is for economy class on one-way FI684 flight by Icelandair for August 19, 2025 which leaves Seattle-Tacoma Intl in Seattle at 23:30 am and arrives at Dublin Dublin at 13:15.

Economy class
$253
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Business class
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First class
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Flight Schedule Seattle (Washington) to Dublin

06:40 — 07:20+1day
16h 40m flight time
Find flight
from$435
06:40 — 15:03 Seattle — Newark
UA2402 United Airlines
4h 27m stop
19:30 — 07:20 Newark — Dublin
UA23 United Airlines
06:40 — 11:10+1day
20h 30m flight time
Find flight
from$436
06:40 — 15:03 Seattle — Newark
UA2402 United Airlines
8h 17m stop
23:20 — 11:10 Newark — Dublin
UA317 United Airlines
07:00 — 09:45+1day
18h 45m flight time
Find flight
from$435
07:00 — 13:15 Seattle — Chicago
UA2618 United Airlines
7h stop
20:15 — 09:45 Chicago — Dublin
UA980 United Airlines
07:05 — 10:50+1day
19h 45m flight time
Find flight
from$387
07:05 — 09:45 Seattle — Calgary
WS1551 WestJet
10h 10m stop
19:55 — 10:50 Calgary — Dublin
WS6 WestJet
08:00 — 07:10+1day
15h 10m flight time
Find flight
from$435
08:00 — 16:10 Seattle — Washington D.C.
UA2217 United Airlines
2h 55m stop
19:05 — 07:10 Washington D.C. — Dublin
UA710 United Airlines
08:00 — 10:20+1day
18h 20m flight time
Find flight
from$435
08:00 — 16:10 Seattle — Washington D.C.
UA2217 United Airlines
6h 5m stop
22:15 — 10:20 Washington D.C. — Dublin
UA228 United Airlines
10:00 — 07:45+1day
13h 45m flight time
Find flight
from$481
10:00 — 11:05 Seattle — Vancouver
UA8242 United Airlines
3h 57m stop
15:05 — 07:45 Vancouver — Dublin
UA8280 United Airlines
12:00 — 11:10+1day
15h 10m flight time
Find flight
from$435
11:55 — 20:25 Seattle — Newark
UA2467 United Airlines
2h 50m stop
23:20 — 11:10 Newark — Dublin
UA317 United Airlines
13:30 — 15:00+1day
17h 30m flight time
Find flight
from$424
13:35 — 07:00 Seattle — London
BA52 British Airways
6h 50m stop
14:00 — 15:20 London — Dublin
BA4464 British Airways
13:30 — 13:25+1day
15h 55m flight time
Find flight
from$496
13:30 — 06:50 Seattle — London
BA52 British Airways
5h 10m stop
12:00 — 13:25 London — Dublin
BA5959 British Airways
14:05 — 10:50+1day
12h 45m flight time
Find flight
from$387
13:50 — 16:30 Seattle — Calgary
WS1553 WestJet
3h 10m stop
19:55 — 10:50 Calgary — Dublin
WS6 WestJet
14:20 — 11:25+1day
13h 5m flight time
Find flight
from$391
14:00 — 09:10 Seattle — Frankfurt
LH491 Lufthansa
1h 25m stop
10:10 — 11:20 Frankfurt — Dublin
LH978 Lufthansa
15:45 — 11:05+1day
11h 20m flight time
Find flight
from$315
14:30 — 06:10 Seattle — Reykjavik
FI680 Icelandair
1h 15m stop
07:45 — 10:20 Reykjavik — Dublin
FI416 Icelandair
20:20 — 16:35+1day
12h 15m flight time
Find flight
from$496
20:20 — 13:40 Seattle — London
BA48 British Airways
1h 30m stop
15:10 — 16:35 London — Dublin
BA5931 British Airways
23:30 — 13:15+2days
29h 45m flight time
Find flight
from$253
23:30 — 14:00 Seattle — Reykjavik
FI684 Icelandair
19h 40m stop
09:40 — 13:15 Reykjavik — Dublin
FI418 Icelandair
Full flight schedule will help you in detecting at what time planes fly from Seattle to Dublin. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 7, 2025.

Popular Airlines on the Route

The flight Seattle — Dublin is served by 18 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by KLM - 11 departures per week at the price of from $ 570 . And the most expensive tickets are offered by Iberia airline - from $ 1881.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 153 flights with layovers on the route. The fastest connecting flight is FI680 by Icelandair takes 11h 20m and the cheapest is FI684 by Icelandair for $253.

  • KL - KLM
    from $570
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  • DE - Condor Airlines
    from $807
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  • FI - Icelandair
    from $253
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  • EI - Aer Lingus
    from $539
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  • AF - Air France
    from $511
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  • SY - Sun Country Airlines
    from $1104
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  • UA - United Airlines
    from $435
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  • LX - SWISS International Air Lines
    from $512
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  • AS - Alaska Airlines
    from $940
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  • F9 - Frontier Airlines
    from $637
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  • TK - Turkish Airlines
    from $805
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  • AY - Finnair
    from $551
    Find
See more connecting flights

Airports

You can fly from Seattle to Dublin from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
    from $253
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  • Kenmore Air Harbor SPB-LKE
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Dublin airports

  • Dublin-DUB
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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