Cheap Flights from Seattle, WA to Dublin from $256

Return flight: Dublin – Seattle

On Cheapflightsplus.com you will find 1 direct and 153 connecting flights from Seattle to Dublin. You can compare airfare deals from 18 airlines and multiple travel sites from $256, 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 9h.

  • The fastest flight 9h
  • Average flight time 9h
  • The earliest flight 05:02
  • The latest flight 23:59
  • Distance 4527 ml

The cheapest months to travel to Dublin are july (from 256 $), october (from 320 $), january (from 359 $).

The most expensive months are may (from 562 $), september (from 425 $), june (from 424 $).

What is the lowest airfare Seattle to Dublin?

The cheapest plane ticket found by our users is $256. This airfare is for economy class on one-way FI680 flight by Icelandair for August 19, 2025 which leaves Seattle-Tacoma Intl in Seattle at 15:45 am and arrives at Dublin Dublin at 11:05.

Economy class
$256
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Business class
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First class
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Flight Schedule Seattle (Washington) to Dublin

07:05 — 10:50+1day
19h 45m flight time
Find flight
from$393
07:05 — 09:45 Seattle — Calgary
WS1551 WestJet
10h 10m stop
19:55 — 10:50 Calgary — Dublin
WS6 WestJet
14:05 — 10:50+1day
12h 45m flight time
Find flight
from$393
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$398
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$256
14:30 — 06:10 Seattle — Reykjavik
FI680 Icelandair
1h 15m stop
07:45 — 10:20 Reykjavik — Dublin
FI416 Icelandair
15:45 — 16:10+1day
16h 25m flight time
Find flight
from$274
15:45 — 06:15 Seattle — Reykjavik
FI680 Icelandair
1h 45m stop
08:00 — 11:40 Reykjavik — Manchester
FI440 Icelandair
3h 35m stop
16:20 — 17:15 Manchester — Dublin
FR559 Ryanair
15:45 — 14:50+1day
15h 5m flight time
Find flight
from$308
15:45 — 06:15 Seattle — Reykjavik
FI680 Icelandair
1h 45m stop
08:00 — 11:40 Reykjavik — Manchester
FI440 Icelandair
2h 15m stop
19:35 — 20:30 Manchester — Dublin
FR553 Ryanair
15:45 — 15:20+1day
15h 35m flight time
Find flight
from$314
15:45 — 06:15 Seattle — Reykjavik
FI680 Icelandair
1h 45m stop
08:00 — 11:40 Reykjavik — Manchester
FI440 Icelandair
2h 40m stop
14:20 — 15:20 Manchester — Dublin
EI209 Aer Lingus
15:45 — 17:20+1day
17h 35m flight time
Find flight
from$314
15:45 — 06:15 Seattle — Reykjavik
FI680 Icelandair
1h 45m stop
08:00 — 11:40 Reykjavik — Manchester
FI440 Icelandair
4h 25m stop
16:15 — 17:25 Manchester — Dublin
EI3321 Aer Lingus
15:45 — 22:05+1day
22h 20m flight time
Find flight
from$314
15:45 — 06:15 Seattle — Reykjavik
FI680 Icelandair
1h 45m stop
08:00 — 11:40 Reykjavik — Manchester
FI440 Icelandair
9h 15m stop
20:55 — 22:05 Manchester — Dublin
EI3329 Aer Lingus
15:45 — 18:40+1day
18h 55m flight time
Find flight
from$323
15:45 — 06:15 Seattle — Reykjavik
FI680 Icelandair
1h 45m stop
08:00 — 11:40 Reykjavik — Manchester
FI440 Icelandair
5h 45m stop
17:25 — 18:40 Manchester — Dublin
EI3327 Aer Lingus
19:00 — 19:15+1day
16h 15m flight time
Find flight
from$316
19:00 — 09:25 Seattle — Reykjavik
FI682 Icelandair
1h stop
10:30 — 15:45 Reykjavik — Amsterdam
FI506 Icelandair
2h 55m stop
18:30 — 19:15 Amsterdam — Dublin
FR3007 Ryanair
19:00 — 22:20+1day
19h 20m flight time
Find flight
from$361
19:00 — 09:25 Seattle — Reykjavik
FI682 Icelandair
1h stop
10:30 — 15:45 Reykjavik — Amsterdam
FI506 Icelandair
6h 5m stop
21:40 — 22:20 Amsterdam — Dublin
EI611 Aer Lingus
19:00 — 17:15+1day
14h 15m flight time
Find flight
from$394
19:00 — 09:25 Seattle — Reykjavik
FI682 Icelandair
45m stop
10:10 — 13:25 Reykjavik — Glasgow
FI430 Icelandair
2h 30m stop
15:55 — 17:15 Glasgow — Dublin
EI3225 Aer Lingus
19:35 — 12:35+1day
9h flight time
Find flight
from$507
Seattle — Dublin
EI52 Aer Lingus
23:30 — 13:15+2days
29h 45m flight time
Find flight
from$257
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 December 14, 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 $ 580 . And the most expensive tickets are offered by Iberia airline - from $ 1914.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is EI52 by Aer Lingus takes 9h and the cheapest is FI680 by Icelandair for $507.

  • EI - Aer Lingus
    from $507
    Find
See more direct flights

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 FI680 by Icelandair for $256.

  • KL - KLM
    from $580
    Find
  • DE - Condor Airlines
    from $821
    Find
  • FI - Icelandair
    from $256
    Find
  • EI - Aer Lingus
    from $548
    Find
  • AF - Air France
    from $520
    Find
  • SY - Sun Country Airlines
    from $1123
    Find
  • UA - United Airlines
    from $443
    Find
  • LX - SWISS International Air Lines
    from $521
    Find
  • AS - Alaska Airlines
    from $957
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  • F9 - Frontier Airlines
    from $649
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  • TK - Turkish Airlines
    from $819
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  • AY - Finnair
    from $561
    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
    Find
  • Seattle-Tacoma Intl-SEA
    from $256
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

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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