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Cheap flights from Seattle to Dublin from C$ 332

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
13 Apr — 20 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Dublin
Explore the most affordable flight options available from Seattle to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 March 2026.

Sat 5/93:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Sat 26/98:00 p.m.
DUB
-
SEA
2 stops25h 45m
Scandinavian Airlines
Deal found 11/3C$ 731
Tue 1/93:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Thu 10/97:50 p.m.
DUB
-
SEA
2 stops25h 55m
Scandinavian Airlines
Deal found 12/3C$ 751
Sun 23/83:55 p.m.
SEA
-
DUB
2 stops34h 15m
Scandinavian Airlines
Sat 29/88:00 p.m.
DUB
-
SEA
2 stops25h 45m
Scandinavian Airlines
Deal found 12/3C$ 773
Sat 10/103:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Sat 7/1110:10 a.m.
DUB
-
SEA
2 stops20h 10m
Scandinavian Airlines
Deal found 11/3C$ 796
Sat 22/83:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Mon 31/87:50 p.m.
DUB
-
SEA
2 stops25h 55m
Scandinavian Airlines
Deal found 13/3C$ 813
Sat 22/83:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Sat 29/88:00 p.m.
DUB
-
SEA
2 stops25h 45m
Scandinavian Airlines
Deal found 12/3C$ 814
Tue 29/93:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Tue 20/107:05 p.m.
DUB
-
SEA
2 stops35h 21m
Scandinavian Airlines
Deal found 11/3C$ 837
Sat 10/103:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Sat 24/1010:15 a.m.
DUB
-
SEA
2 stops20h 05m
Scandinavian Airlines
Deal found 14/3C$ 844
Tue 1/93:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Tue 15/97:05 p.m.
DUB
-
SEA
2 stops35h 20m
Scandinavian Airlines
Deal found 9/3C$ 852
Thu 10/92:30 p.m.
SEA
-
DUB
2 stops19h 50m
Scandinavian Airlines
Fri 25/97:50 p.m.
DUB
-
SEA
2 stops25h 55m
Scandinavian Airlines
Deal found 9/3C$ 863
Mon 4/53:40 p.m.
SEA
-
DUB
1 stop13h 35m
Icelandair
Wed 13/512:15 p.m.
DUB
-
SEA
1 stop13h 40m
Icelandair
Deal found 9/3C$ 884
Sat 10/103:55 p.m.
SEA
-
DUB
2 stops34h 30m
Scandinavian Airlines
Tue 13/107:05 p.m.
DUB
-
SEA
2 stops35h 21m
Scandinavian Airlines
Deal found 12/3C$ 885

Find flight deals from Seattle to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 March 2026.

Round-trip from

C$ 731

One-way from

C$ 332

Popular in

June

Cheapest in

November

Average price

C$ 822

Good round-trip deal

C$ 971 or less

Good one-way deal

C$ 803 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/9-26/9
  • 4 total stops
  • 60h 15m total
  • Seattle to Dublin
Search Deals
26/4
  • 26/4
  • 3 total stops
  • 42h 20m total
  • Seattle to Dublin
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 311 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Dublin.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 March 2026.
Use the filters below to find and compare flights from Seattle to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 5/9

3:55 p.m.-10:25 a.m.

2 stops34h 30m

Dublin

Sat 26/9

8:00 p.m.-1:45 p.m.

2 stops25h 45m

C$ 731

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 19/8

7:10 p.m.-11:05 p.m.

1 stop19h 55m

Dublin

Fri 4/9

5:05 p.m.-10:40 a.m.

1 stop25h 35m

C$ 903

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 4/5

7:10 p.m.-4:00 p.m.

1 stop36h 50m

Dublin

Fri 15/5

5:35 a.m.-5:15 p.m.

1 stop19h 40m

C$ 977

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 9/9

12:10 p.m.-9:45 a.m.

2 stops37h 35m

Dublin

Sat 26/9

9:50 a.m.-9:52 a.m.

1 stop32h 02m

C$ 993
Quickest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 23/8

3:40 p.m.-1:15 p.m.

1 stop13h 35m

Dublin

Thu 27/8

2:15 p.m.-8:40 p.m.

1 stop14h 25m

C$ 996

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 3/5

6:00 a.m.-8:20 a.m.

2 stops18h 20m

Dublin

Mon 11/5

11:10 a.m.-4:30 p.m.

1 stop13h 20m

C$ 1,000

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 4/5

7:00 a.m.-7:20 a.m.

2 stops16h 20m

Dublin

Fri 15/5

9:50 a.m.-6:30 p.m.

1 stop16h 40m

C$ 1,000

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 30/5

5:00 p.m.-9:45 a.m.

1 stop32h 45m

Dublin

Sun 7/6

9:50 a.m.-9:50 a.m.

1 stop32h 00m

C$ 1,008

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 6/5

6:00 a.m.-10:25 a.m.

2 stops20h 25m

Dublin

Wed 13/5

11:10 a.m.-10:40 p.m.

2 stops19h 30m

C$ 1,014

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 18/6

3:00 p.m.-7:45 a.m.

1 stop32h 45m

Dublin

Thu 20/8

9:50 a.m.-9:21 p.m.

3 stops43h 31m

C$ 1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Dublin. Price data was last updated on 6 March 2026.

The best time to book flights from Seattle to Dublin is 26 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Dublin (average of C$ 419). Flying from Seattle to Dublin in June is currently the most expensive (average of C$ 824). 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 SEA to DUB?

Find hourly flight availability from Seattle to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Dublin as you normally would.

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated 14 March 2026.
Check out reviews from past customers who have flown with Aer Lingus from Seattle to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.2
Good
1,477 reviews
Check prices

Food

6.6

Comfort

7.2

Crew

8.1

Entertainment

7.0

Boarding

7.4

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.2
Good
1,477 reviews
Aer Lingus
7.2
Good
1,477 reviews
Check prices

Food

6.6

Comfort

7.2

Crew

8.1

Entertainment

7.0

Boarding

7.4

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Dublin?

    If you wish to fly to Dublin from Seattle, then you need to book flights from Seattle/Tacoma Intl to Dublin. There are 2 flights from Seattle/Tacoma Intl (SEA) to Dublin (DUB) per day to choose from. Flights to Dublin from Seattle/Tacoma Intl are available from 1 airline, which means you should have some options if you want to compare airfare deals. 9h 05m is how long a nonstop flight from Seattle to Dublin typically takes.

  • How popular is this Seattle to Dublin flight route?

    Within the past month, 54 users have taken a look at flights from Seattle/Tacoma Intl to Dublin.

  • How long is the flight from Seattle to Dublin?

    A quick flight from Seattle to Dublin can take about 19h 50m. United Airlines provides one of the quickest options available for as low as C$ 965. Airlines will cover a distance of 7279 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Seattle to Dublin round-trip?

    Flying on Aer Lingus is currently your cheapest option to Dublin, with prices starting at C$ 669. Aer Lingus is priced at 21% lower than the current average price of a flight leaving 3 months from now.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Dublin on time: American Airlines (73%), Aer Lingus (73%), Iberia (73%).

  • What are the cheapest flights from Seattle to Dublin?

    Looking at all options, your cheapest flight can be booked for C$ 390. While the most popular route (Seattle/Tacoma Intl - Dublin) can be booked for C$ 1,055 on average, our data indicates C$ 936 when flying from Seattle to Dublin.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Dublin 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 Seattle to Dublin?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Dublin (average of C$ 419). Flying from Seattle to Dublin in June is currently the most expensive (average of C$ 824). 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
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Top airline flying from Seattle to Dublin

Discover the top airline that operate flights from Seattle to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapestC$ 669AverageC$ 962FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Dublin?

When you search for this flight from Seattle to Dublin, 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 Seattle to Dublin?

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 Dublin from Seattle.

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

Certainly. Search results for flights to Dublin from Seattle 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 Seattle to Dublin become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Dublin 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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