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$322+ Cheap flights from Dublin (DUB) to Seattle (SEA)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
févr. 25 — mars 41
mar. 2/25
mar. 3/4
1 adult, Economy
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The best prices from Dublin to Seattle/Tacoma Intl are usually found in November or February, booked 62 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Dublin to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Seattle (SEA). 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 février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$497
(Kiwi.com)

One-way from

$322
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$617

Good one-way deal

$496 or less
Provider with most accurate pricing for Dublin-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Dublin-Seattle/Tacoma Intl flights.
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From Dublin to Seattle/Tacoma Intl
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One-way flight from Dublin to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($209 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a one-way flight from Dublin to Seattle/Tacoma Intl.
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Find flight deals from Dublin to Seattle

Cheapest flights from Dublin to Seattle
Explore the most affordable flight options available from Dublin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/15:00 pmDUB - SEA
1 stop28h 50mScandinavian Airlines
sam. 6/144:00 pmSEA - DUB
1 stop16h 10mScandinavian Airlines
Deal found 2/20$477
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/1611:35 amDUB - SEA
1 stop18h 25mMultiple Airlines
mar. 4/2211:59 pmSEA - DUB
1 stop21h 11mMultiple Airlines
Deal found 2/20$497
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/712:50 pmDUB - SEA
1 stop15h 38mWestJet
mar. 5/207:05 amSEA - DUB
1 stop19h 45mWestJet
Deal found 2/19$505
This SmartFares deal was found by Cheapflights users on 2/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/611:30 amDUB - SEA
1 stop13h 30mIcelandair
mar. 11/112:35 pmSEA - DUB
1 stop11h 40mIcelandair
Deal found 2/19$589
This Finnair deal was found by Cheapflights users on 2/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/89:45 amDUB - SEA
1 stop14h 15mFinnair
jeu. 5/225:40 pmSEA - DUB
1 stop15h 35mFinnair
Deal found 2/20$637
This Delta deal was found by Cheapflights users on 2/20. 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.
jeu. 3/65:55 amDUB - SEA
1 stop13h 42mDelta
mar. 3/257:30 amSEA - DUB
1 stop17h 55mDelta
Deal found 2/20$638
This KLM deal was found by Cheapflights users on 2/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 3/95:20 pmDUB - SEA
1 stop26h 20mKLM
lun. 3/243:15 pmSEA - DUB
1 stop14h 25mKLM
Deal found 2/19$640
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/1610:55 amDUB - SEA
1 stop15h 25mBritish Airways
mar. 4/221:30 pmSEA - DUB
1 stop12h 20mBritish Airways
Deal found 2/20$646
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 2/282:05 pmDUB - SEA
1 stop16h 04mAmerican Airlines
dim. 3/1611:14 pmSEA - DUB
1 stop26h 26mAmerican Airlines
Deal found 2/20$664
This JetBlue deal was found by Cheapflights users on 2/20. 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.
mer. 4/2311:30 amDUB - SEA
1 stop18h 00mJetBlue
mar. 5/611:35 amSEA - DUB
1 stop12h 45mJetBlue
Deal found 2/20$668
This Bravofly deal was found by Cheapflights users on 2/19. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 3/24:30 pmDUB - SEA
Nonstop9h 45mAer Lingus
lun. 3/179:00 pmSEA - DUB
Nonstop9h 10mAer Lingus
Deal found 2/19$687
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/59:00 amDUB - SEA
3 stops38h 54mUnited Airlines
mer. 3/125:15 amSEA - DUB
2 stops21h 50mUnited Airlines
Deal found 2/19$733

Find flights from Dublin to Seattle within your budget

Customize your flight search to find flights from Dublin to Seattle 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 février 20, 2025.

Fly from

Dublin

Fly to

Seattle

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

dim. 6/1

5:00 pm-1:50 pm

1 stop28h 50m

Seattle/Tacoma Intl

sam. 6/14

4:00 pm-4:10 pm

1 stop16h 10m

$477

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 4/16

11:35 am-10:00 pm

1 stop18h 25m

Seattle/Tacoma Intl

mar. 4/22

11:59 pm-5:10 am

1 stop21h 11m

$497

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 5/7

12:50 pm-8:28 pm

1 stop15h 38m

Seattle/Tacoma Intl

mar. 5/20

7:05 am-10:50 am

1 stop19h 45m

$506

DublinSeattle

DUB - SEA

DUBSEA

Dublin

ven. 4/4

12:15 pm-5:50 pm

1 stop13h 35m

Seattle/Tacoma Intl

lun. 4/7

3:45 pm-11:05 am

1 stop11h 20m

$580

DublinSeattle

DUB - SEA

DUBSEA

Dublin

jeu. 5/8

9:45 am-4:00 pm

1 stop14h 15m

Seattle/Tacoma Intl

jeu. 5/22

5:40 pm-5:15 pm

1 stop15h 35m

$637

DublinSeattle

DUB - SEA

DUBSEA

Dublin

jeu. 3/6

5:55 am-11:37 am

1 stop13h 42m

Seattle/Tacoma Intl

mar. 3/25

7:30 am-8:25 am

1 stop17h 55m

$638

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 4/16

10:55 am-6:20 pm

1 stop15h 25m

Seattle/Tacoma Intl

mar. 4/22

1:30 pm-9:50 am

1 stop12h 20m

$646

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 4/23

11:30 am-9:30 pm

1 stop18h 00m

Seattle/Tacoma Intl

ven. 5/2

11:35 am-8:20 am

1 stop12h 45m

$668

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 3/12

4:30 pm-7:15 pm

Nonstop9h 45m

Seattle/Tacoma Intl

mer. 3/19

9:00 pm-1:10 pm

Nonstop9h 10m

$689

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 3/5

9:00 am-3:54 pm

3 stops38h 54m

Seattle/Tacoma Intl

mer. 3/12

5:15 am-10:05 am

2 stops21h 50m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 26 results
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2
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Compare providers for flights from Dublin to Seattle

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 Dublin to Seattle in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust 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 Dublin-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Seattle 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 Dublin-Seattle 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 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
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.

Travel insights for flights from Dublin to Seattle

Get recent, data-driven insights about flights from Dublin to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Seattle. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Seattle, you should look to book at least 62 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, January is the cheapest month in which you can book a flight from Dublin to Seattle (average of $238). Flying from Dublin to Seattle in July is currently the most expensive (average of $411). 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?

Find hourly flight availability from Dublin to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated février 20, 2025.

One of the essential ways to save on airfare from Dublin to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated février 20, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Dublin to Seattle have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue
7.4
Good
3,070 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Dublin to Seattle. 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 Dublin to Seattle?

    If you book a flight from Dublin to Seattle, you will be flying from Dublin to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Dublin (DUB) take 9h 39m for a nonstop flight. There is 1 flight from Dublin to Seattle per day from 3 airlines.

  • How popular is this Dublin to Seattle flight route?

    Flights from Dublin to Seattle/Tacoma Intl have been viewed 4 times in the past calendar month.

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

    Flying on WestJet is currently your cheapest option to Seattle, with prices starting at $505. Additional round-trip tickets that might be worth considering are offered by Icelandair and Finnair, with the lowest prices starting at $613 and $624, respectively. WestJet is currently priced 32% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $329. However, be on the lookout for offers from Icelandair and Aer Lingus, as they are both options that can get you from Dublin to Seattle for a low price.

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

    Consider American Airlines (40%), Aer Lingus (40%) or British Airways (40%) when booking your flight. These represent the most reliable airlines when flying from Dublin to Seattle.

  • What are the cheapest flights from Dublin to Seattle?

    Looking at all options, your cheapest flight can be booked for $492. While the most popular route (Dublin - Seattle/Tacoma Intl) can be booked for $408 on average our data indicates $1,315 when flying from Dublin to Seattle.

  • 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, January is the cheapest month in which you can book a flight from Dublin to Seattle (average of $238). Flying from Dublin to Seattle in July is currently the most expensive (average of $411). 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
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Portland flights
Cork to Seattle flights
Dublin to Spokane flights
Shannon to Seattle flights
Shannon to Portland flights
Shannon to Spokane flights
Cork to Portland flights

Top 3 airlines flying from Dublin to Seattle

Discover the top 3 airlines that operate flights from Dublin to Seattle. 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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$496Average$862FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$556Average$766FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$640Average$787FlexibilityNo cancel feeOn-time71%
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