Cheap flights from Dublin to Seattle from £309
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Dublin to Seattle/Tacoma Intl are usually found in February or January, booked 20 days in advance, depart on a Tuesday or Friday and return on a Tuesday
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 15 July 2025.
Round-trip from | £309 |
---|---|
Popular in | July |
Cheapest in | February |
Average price | £743 |
Good round-trip deal | £620 or less |
Good one-way deal | £542 or less |
Find flight deals from Dublin to Seattle
Cheapest flights from Dublin to SeattleExplore 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 15 July 2025.
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 15 July 2025.
Cheapflights Fare Finder
Customise 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 858,174 searches. Data last updated 15 July 2025.
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
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Wed 27/8
20:15-13:50
2 stops49h 35m
Seattle/Tacoma Intl
Wed 3/9
16:00-11:50
1 stop35h 50m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Tue 28/10
11:30-18:00
1 stop13h 30m
Seattle/Tacoma Intl
Mon 1/12
14:35-10:15
1 stop11h 40m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Wed 27/8
05:55-20:40
3 stops22h 45m
Seattle/Tacoma Intl
Wed 3/9
19:00-10:25
3 stops31h 25m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sat 22/11
05:55-11:50
1 stop13h 55m
Seattle/Tacoma Intl
Sat 29/11
13:40-15:40
1 stop18h 00m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Thu 28/8
10:40-22:05
1 stop19h 25m
Seattle/Tacoma Intl
Thu 4/9
11:30-09:00
1 stop13h 30m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Tue 30/9
10:10-12:59
2 stops34h 49m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Thu 21/8
09:45-16:00
1 stop14h 15m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 25/8
11:30-19:58
1 stop16h 28m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Sun 7/12
04:25-21:19
2 stops24h 54m
DublinSeattle
DUB - SEA
DUBSEA
Dublin
Mon 8/12
10:40-23:15
3 stops20h 35m
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.
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?
Use this chart to determine the optimal time to book a return flight from Dublin to Seattle. Price data was last updated on 11 July 2025.
Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 £622). Flying from Dublin to Seattle in July is currently the most expensive (average of £946). 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 15 July 2025.
When flying from Dublin to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 14% versus a flight in the afternoon.
Weekly flight availability from Dublin to Seattle
Explore weekly flight availability from Dublin to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 July 2025.
The most flights from DUB to SEA are scheduled on a Monday (3 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost for a return flight from Dublin to Seattle?
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 15 July 2025.
Read through reviews of airlines operating flights from Dublin to Seattle, such as Delta, Finnair, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Michael,Jul 2025
AMS - ATL
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Michael,Jul 2025
AMS - ATL
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Michael,Jul 2025
AMS - ATL
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Michael,Jul 2025
AMS - ATL
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Michael,Jul 2025
AMS - ATL
Boarding
Overall
Entertainment
Comfort
Crew
Food
Reviews
Michael,Jul 2025
AMS - ATL
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.
Travelling to a place near Seattle?
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Complete your trip
Complete your trip to Seattle by adding a car hire and/or hotel booking to your travel itinerary.
Top 4 airlines flying from Dublin to Seattle
Discover the top 4 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 858,174 searches. Data last updated 15 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Dublin to Seattle?
Deals for Dublin to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Dublin to Seattle?
Cheapflights simply makes it quick and affordable to book flights from Dublin to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Dublin to Seattle with no change fees?
Yes! Cheapflights helps users easily find flights from Dublin to Seattle with no change fees.
Can Cheapflights notify me if prices for flights from Dublin to Seattle become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!