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Cheap flights from Dublin to Seattle from C$ 579

DUB — SEA
11 Oct — 18 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Seattle

Thu 26/1111:30 a.m. -
1 stop13h 30m
Fri 4/122:35 p.m. -
1 stop11h 40m
Deal found 7/9C$ 796
Thu 8/106:25 a.m. -
2 stops22h 15m
Thu 15/107:00 p.m. -
2 stops20h 25m
Deal found 8/9C$ 818
Thu 5/115:45 a.m. -
1 stop14h 02m
Wed 18/113:25 p.m. -
1 stop15h 05m
Deal found 11/9C$ 866
Thu 24/911:10 a.m. -
1 stop13h 25m
Wed 7/106:40 p.m. -
1 stop15h 45m
Deal found 11/9C$ 872
Thu 24/95:55 a.m. -
1 stop13h 52m
Thu 8/106:00 a.m. -
1 stop17h 55m
Deal found 11/9C$ 876
Wed 9/128:40 p.m. -
1 stop22h 45m
Thu 31/126:45 p.m. -
1 stop12h 10m
Deal found 7/9C$ 882
Fri 18/128:35 p.m. -
1 stop22h 50m
Sat 2/16:45 p.m. -
1 stop15h 55m
Deal found 10/9C$ 883
Thu 1/105:55 a.m. -
2 stops21h 09m
Thu 29/108:25 a.m. -
2 stops17h 35m
Deal found 11/9C$ 886
Thu 26/1110:50 a.m. -
1 stop14h 00m
Sat 5/129:15 a.m. -
2 stops16h 40m
Deal found 6/9C$ 887

Find flight deals from Dublin to Seattle

Round-trip from

C$ 796

One-way from

C$ 579

Popular in

July

Cheapest in

April

Average price

C$ 1,112
Icelandair
  • Icelandair
  • 14/1-17/1
  • 2 total stops
  • 25h 10m total
  • Dublin to Seattle
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Delta
  • Delta
  • 10/11-31/12
  • 1 total stop
  • 14h 02m total
  • Dublin to Seattle
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 350 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 50 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Dublin to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 14/11

5:45 a.m.-11:47 a.m.

1 stop14h 02m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 579

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Mon 15/2

5:45 a.m.-11:47 a.m.

1 stop14h 02m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 580

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Tue 10/11

8:50 a.m.-11:57 p.m.

2 stops23h 07m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 587

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Mon 16/11

10:50 a.m.-11:25 a.m.

1 stop32h 35m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 687

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 14/11

8:50 a.m.-4:50 p.m.

1 stop16h 00m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 687

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Thu 14/1

11:30 a.m.-5:00 p.m.

1 stop13h 30m

Seattle/Tacoma Intl

Mon 18/1

2:35 p.m.-10:15 a.m.

1 stop11h 40m

C$ 797

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Thu 14/1

8:50 a.m.-4:50 p.m.

1 stop16h 00m

Seattle/Tacoma Intl

Mon 18/1

6:00 a.m.-3:25 p.m.

2 stops25h 25m

C$ 883

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Fri 18/12

3:00 p.m.-11:25 a.m.

1 stop28h 25m

Seattle/Tacoma Intl

Sat 2/1

1:40 p.m.-9:55 a.m.

1 stop12h 15m

C$ 883

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sat 24/10

11:30 a.m.-9:20 p.m.

1 stop17h 50m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 884

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Thu 26/11

10:50 a.m.-4:50 p.m.

1 stop14h 00m

Seattle/Tacoma Intl

Sat 5/12

9:15 a.m.-9:55 a.m.

2 stops16h 40m

C$ 887

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Best time to book a flight from Dublin to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Dublin with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Dublin to Seattle

How far ahead should I book a flight from Dublin to Seattle?

To ensure you get the cheapest price possible for a flight from Dublin to Seattle, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dublin to Seattle?

Currently, April is the cheapest month in which you can book a flight from Dublin to Seattle (average of C$ 833). Flying from Dublin to Seattle in July is currently the most expensive (average of C$ 1,438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DUB to SEA?

When flying from Dublin to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Dublin to Seattle?

Airfare is below average for this route at the moment.

Dublin to Seattle flights typically cost between C$ 908 and C$ 1,314 in November.
The cheapest round-trip price found within the last 5 days was C$ 796 on Icelandair (26 Nov-4 Dec).

Related info for your journey

  • How popular is this Dublin to Seattle flight route?

    Flights from Dublin to Seattle/Tacoma Intl have been viewed 2 times in the past calendar month.

  • How long is the flight from Dublin to Seattle?

    Icelandair and British Airways can get you from Dublin to Seattle in just under 13h 30m. Your travel time can differ by up to 2h 30m. Dublin and Seattle are separated by a distance of 7279 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Dublin to Seattle?

    No one likes to see their flight delayed. When booking a flight from Dublin to Seattle consider choosing American Airlines (78%), Aer Lingus (78%) or Iberia (78%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Dublin to Seattle that include hotel bookings?

    Yes. In addition to deals on Dublin to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Seattle.

  • Can I find deals for business class flights from Dublin to Seattle?

    Yes. Cheapflights offers flight deals from Dublin to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Dublin to Seattle (average of C$ 833). Flying from Dublin to Seattle in July is currently the most expensive (average of C$ 1,438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Kent
Mukilteo
Leavenworth
Tacoma
Renton
Cashmere
Lynnwood
Ellensburg
Tukwila
Olympia
Marysville
Federal Way
Kirkland

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When you search for this flight from Dublin to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Dublin.

Can Cheapflights find flights from Dublin to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Dublin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dublin to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Dublin to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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