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$335+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
1 adult, Economy
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The best prices from Dublin to Seattle/Tacoma Intl are usually found in November or February, booked 59 days in advance, depart on a Wednesday or Friday and return on a Monday

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 December 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$503
(Billigflug)

One-way from

$371
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$758
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
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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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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 December 21, 2024.

This lol.travel deal was found by Cheapflights users on 12/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/238:55 amDUB - SEA
2 stops40h 49mBritish Airways
Tue 1/76:50 pmSEA - DUB
1 stop14h 55mBritish Airways
Deal found 12/19$839
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Mon 12/234:30 pmDUB - SEA
Nonstop9h 45mAmerican Airlines
Tue 1/76:50 pmSEA - DUB
1 stop14h 10mAmerican Airlines
Deal found 12/20$896
This KLM deal was found by Cheapflights users on 12/21. 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.
Sat 12/211:25 pmDUB - SEA
1 stop30h 27mMultiple Airlines
Fri 12/2712:34 pmSEA - DUB
1 stop19h 06mMultiple Airlines
Deal found 12/21$912
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/239:00 amDUB - SEA
1 stop20h 20mUnited Airlines
Tue 1/77:08 amSEA - DUB
1 stop15h 52mUnited Airlines
Deal found 12/20$921
This Booking.com deal was found by Cheapflights users on 12/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:40 amDUB - SEA
2 stops19h 45mAir Canada
Tue 1/75:45 amSEA - DUB
2 stops23h 50mAir Canada
Deal found 12/19$978
This Delta deal was found by Cheapflights users on 12/20. 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.
Sun 12/295:55 amDUB - SEA
2 stops16h 07mDelta
Mon 1/1312:30 pmSEA - DUB
1 stop19h 10mDelta
Deal found 12/20$1,020
This SmartFares deal was found by Cheapflights users on 12/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/294:30 pmDUB - SEA
Nonstop9h 45mAer Lingus
Mon 1/136:50 pmSEA - DUB
1 stop30h 20mAer Lingus
Deal found 12/20$1,394
This Iberia deal was found by Cheapflights users on 12/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/237:25 amDUB - SEA
2 stops21h 53mIberia
Tue 1/77:55 amSEA - DUB
2 stops18h 20mIberia
Deal found 12/20$2,249

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 December 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 2/3

4:40 pm-10:36 am

1 stop25h 56m

Seattle/Tacoma Intl

Mon 2/10

9:29 pm-1:10 pm

1 stop31h 41m

$496

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/4

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Tue 2/11

2:35 pm-10:15 am

1 stop11h 40m

$518

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 2/14

12:30 pm-11:08 pm

2 stops42h 38m

Seattle/Tacoma Intl

Fri 2/28

1:35 pm-9:20 am

2 stops35h 45m

$543

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 2/3

8:30 pm-11:20 am

1 stop22h 50m

Seattle/Tacoma Intl

Mon 2/10

6:50 pm-5:05 pm

1 stop14h 15m

$594

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 5/17

11:50 am-9:29 pm

1 stop17h 39m

Seattle/Tacoma Intl

Mon 5/26

10:38 am-9:00 am

1 stop14h 22m

$606

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 2/3

5:55 am-8:45 pm

2 stops22h 50m

Seattle/Tacoma Intl

Mon 2/10

12:40 pm-3:40 pm

1 stop19h 00m

$632

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 3/26

1:25 pm-12:40 pm

1 stop30h 15m

Seattle/Tacoma Intl

Tue 4/8

7:20 am-9:15 am

1 stop17h 55m

$641

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 3/10

4:30 pm-7:15 pm

Nonstop9h 45m

Seattle/Tacoma Intl

Sun 3/23

9:00 pm-1:10 pm

Nonstop9h 10m

$651

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 3/10

8:00 am-2:30 pm

2 stops37h 30m

Seattle/Tacoma Intl

Sun 3/23

4:10 pm-5:15 pm

1 stop18h 05m

$725

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 2/14

9:00 am-6:45 pm

2 stops17h 45m

Seattle/Tacoma Intl

Fri 2/28

10:52 pm-7:00 am

1 stop24h 08m

$729

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 23 results
1
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice Accuracy2 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 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 December 20, 2024.

To ensure you get the cheapest price possible for a flight from Dublin to Seattle, you should look to book at least 58 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 December 21, 2024.

One of the essential ways to save on airfare from Dublin to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 12% 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 December 21, 2024.
See what other customers who have flown with Air Canada, American Airlines and Delta 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
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,597 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,344 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
9,039 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

JetBlue
7.4
Good
3,266 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Turkish Airlines
7.3
Good
3,899 reviews
Delta
8.0
Very good
8,597 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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 40m 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 Icelandair is currently your cheapest option to Seattle, with prices starting at $518. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and British Airways, with the lowest prices starting at $543 and $594, respectively. Icelandair is currently priced 31% 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 Icelandair, with whom users have recently found tickets for as low as $401. However, be on the lookout for offers from WestJet 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 (68%), Aer Lingus (68%) or British Airways (68%) 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 $521. While the most popular route (Dublin - Seattle/Tacoma Intl) can be booked for $496 on average our data indicates $1,356 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

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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 Spokane flights
Cork to Portland flights
Shannon 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 December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$496Average$874FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$556Average$752FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$640Average$787FlexibilityNo cancel feeOn-time71%
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