Dublin

$189+ Cheap flights from Seattle (SEA) to Dublin (DUB)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Jul 16 — Jul 231
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Dublin are usually found in February or November, booked 26 days in advance, depart on a Wednesday or Sunday and return on a Friday

Cheap flight deals from Seattle to Dublin

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 June 16, 2026.

This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:30 pm
SEA
-
DUB
1 stop17h 55m
Delta
Tue 8/45:55 am
DUB
-
SEA
1 stop18h 32m
Delta
Deal found 6/11$954
This JetBlue deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:45 am
SEA
-
DUB
1 stop12h 35m
JetBlue
Fri 8/710:40 am
DUB
-
SEA
1 stop20h 09m
JetBlue
Deal found 6/13$955
This Justfly.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:30 am
SEA
-
DUB
1 stop13h 15m
Air Canada
Tue 10/209:50 am
DUB
-
SEA
2 stops20h 52m
Air Canada
Deal found 6/12$956
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:30 am
SEA
-
DUB
1 stop13h 15m
Air Canada
Sat 9/199:20 am
DUB
-
SEA
2 stops17h 12m
Air Canada
Deal found 6/11$957
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:40 pm
SEA
-
DUB
1 stop11h 25m
Icelandair
Tue 7/282:15 pm
DUB
-
SEA
1 stop14h 25m
Icelandair
Deal found 6/12$958
This CheapOair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:45 am
SEA
-
DUB
2 stops18h 00m
Multiple Airlines
Tue 8/46:00 am
DUB
-
SEA
1 stop13h 55m
Multiple Airlines
Deal found 6/12$959
This Justfly.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:10 pm
SEA
-
DUB
Nonstop9h 05m
Aer Lingus
Tue 10/203:25 pm
DUB
-
SEA
Nonstop9h 45m
Aer Lingus
Deal found 6/12$960
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:35 pm
SEA
-
DUB
2 stops25h 40m
Delta
Thu 10/295:45 am
DUB
-
SEA
1 stop14h 02m
Delta
Deal found 6/16$961
This Cheapflightsfares deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:45 am
SEA
-
DUB
1 stop12h 35m
JetBlue
Sun 8/1610:40 am
DUB
-
SEA
1 stop20h 09m
JetBlue
Deal found 6/13$962
This Justfly.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:40 pm
SEA
-
DUB
1 stop13h 35m
Icelandair
Wed 8/512:15 pm
DUB
-
SEA
1 stop13h 40m
Icelandair
Deal found 6/13$963
This KAYAK deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:20 pm
SEA
-
DUB
2 stops28h 55m
Lufthansa
Thu 10/295:10 am
DUB
-
SEA
1 stop14h 50m
Lufthansa
Deal found 6/13$964
This JetBlue deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:45 am
SEA
-
DUB
1 stop12h 35m
JetBlue
Fri 7/3110:40 am
DUB
-
SEA
1 stop20h 14m
JetBlue
Deal found 6/12$965

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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$946
(Icelandair)

One-way from

$189
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$984

Good round-trip deal

$1,054 or less

Good one-way deal

$533 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Dublin flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Dublin flights.
From Seattle/Tacoma Intl to Dublin
One-way flight from Seattle/Tacoma Intl to Dublin
Highest demand for flights based on searches. 22% potential increase in price ($183 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Dublin.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Dublin.

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 2,558,603 searches. Data last updated June 16, 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

Tue 8/4

9:53 am-10:00 am

1 stop16h 07m

Dublin

Sat 8/15

8:55 am-10:00 pm

2 stops21h 05m

$965
Quickest round-trip

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 8/9

11:02 am-11:45 am

1 stop16h 43m

Dublin

Tue 8/25

3:25 pm-5:10 pm

Nonstop9h 45m

$979

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 7/17

3:40 pm-1:15 pm

1 stop13h 35m

Dublin

Tue 7/28

2:15 pm-8:40 pm

1 stop14h 25m

$981

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 9/13

7:15 pm-9:35 am

1 stop30h 20m

Dublin

Sun 9/20

5:45 am-5:20 pm

1 stop19h 35m

$989

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 9/6

12:10 pm-9:45 am

2 stops37h 35m

Dublin

Sun 10/18

9:50 am-9:52 am

1 stop32h 02m

$1,008

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 8/31

11:45 am-6:05 pm

2 stops22h 20m

Dublin

Fri 9/11

5:30 am-10:38 pm

2 stops49h 08m

$1,010

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 9/4

11:44 pm-6:05 pm

2 stops34h 21m

Dublin

Fri 9/11

5:30 am-10:38 pm

2 stops49h 08m

$1,025

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 8/27

10:35 am-6:20 pm

2 stops23h 45m

Dublin

Sat 9/5

8:00 pm-1:45 pm

2 stops25h 45m

$1,030

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 7/31

10:29 am-9:45 am

2 stops39h 16m

Dublin

Tue 8/18

9:50 am-7:07 pm

2 stops17h 17m

$1,031

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 8/15

11:04 pm-5:15 am

1 stop22h 11m

Dublin

Sat 8/29

3:25 pm-5:10 pm

Nonstop9h 45m

$1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Seattle to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Dublin in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

To ensure you get the cheapest price possible for a flight from Seattle to Dublin, you should look to book at least 25 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 Seattle to Dublin?

Currently, February is the cheapest month in which you can book a flight from Seattle to Dublin (average of $458). Flying from Seattle to Dublin in June is currently the most expensive (average of $984). 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 June 16, 2026.

When flying from Seattle to Dublin, 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 Seattle to Dublin?

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 June 16, 2026.
Read through reviews of airlines operating flights from Seattle to Dublin, such as Delta,Aer Lingus, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 book a flight from Seattle to Dublin, you will be flying from Seattle/Tacoma Intl to Dublin. Flights to Dublin (DUB) from Seattle/Tacoma Intl (SEA) take 9h 05m for a nonstop flight. There are 2 flights from Seattle/Tacoma Intl to Dublin per day from 13 airlines.

  • How popular is this Seattle to Dublin flight route?

  • How long is the flight from Seattle to Dublin?

    For as low as $981, Delta can have you in Dublin from Seattle in 13h 35m. The distance from Seattle to Dublin is about 4523 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seattle to Dublin round-trip?

    Cheapflights users have booked flights from Seattle to Dublin round-trip from $101. Other airlines that can offer you cheap pricing are Air Canada, from $341, and United Airlines, from $341. You may be able to fly from Seattle to Dublin for 83% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Dublin one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $174. Users have also found prices from $190 and $212 on JetBlue and WestJet, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Dublin consider choosing American Airlines (85%), Aer Lingus (85%) or Iberia (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Dublin?

    Looking at all options, your cheapest flight can be booked for $452. While the most popular route (Seattle/Tacoma Intl - Dublin) can be booked for $521 on average, our data indicates $860 when flying from Seattle to Dublin.

  • Where are the most common layover locations when flying from Seattle to Dublin?

  • What are some popular things to do or see while on a layover in Reykjavik?

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool can be accessed by traveling approximately 23.2 mi, 23.3 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Travelers can rent a car at Reykjavik Keflavik Intl for an average daily rate of $68 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Seattle to Dublin flights?

  • 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, February is the cheapest month in which you can book a flight from Seattle to Dublin (average of $458). Flying from Seattle to Dublin in June is currently the most expensive (average of $984). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Castleknock

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Alternative routes for Seattle to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Seattle to Dublin

Discover the top 10 airlines 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 2,558,603 searches. Data last updated June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$961FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$341Average$570FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$341Average$610FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$345Average$467FlexibilityNo cancel feeOn-time76%
IberiaCheapest$367Average$763FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$388Average$674FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$395Average$549FlexibilityNo cancel feeOn-time70%
DeltaCheapest$404Average$700FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$405Average$634FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$444Average$640FlexibilityNo cancel feeOn-time77%

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