Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Dublin to Seattle
The cheapest flights right now
Dublin – Seattle
Outbound – Nov 12, 2026
1 stop
14h 2m AMS
Return – Nov 27, 2026
1 stop
14h 5m AMS
$607
today
Dublin – Seattle
Outbound – Nov 6, 2026
1 stop
14h 2m AMS
Return – Nov 23, 2026
1 stop
15h 0m CDG
$606
2 days ago
Dublin – Seattle
Outbound – Nov 2, 2026
1 stop
14h 2m AMS
Return – Nov 16, 2026
1 stop
15h 0m CDG
$605
3 days ago
Dublin – Seattle
Outbound – Nov 19, 2026
1 stop
14h 2m AMS
Return – Dec 3, 2026
1 stop
15h 5m CDG
$604
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$555
Average price of a round trip
$658
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
9h45
A flight from Dublin to Seattle takes on average 9h45.
Best time
July
According to user searches, the ideal month to go to Seattle is July.
What is the cheapest month for this flight?
Monthly price data (Table View)
October
Oct
$636
November
Nov
$626
December
Dec
$722
January
Jan
$584
February
Feb
$587
March
Mar
$0
April
Apr
$0
May
May
$0
June
Jun
$0
July
Jul
$0
August
Aug
$698
September
Sep
$719
* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.
Tips for finding a cheap flight from Dublin to Seattle
Check out our tips for booking your flight to Seattle (USA) from Dublin (Ireland) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is January, with an average flight ticket price of $584 (calculation over the last two years). The most touristic season corresponds to the months of October, November and September.
For the cheapest flights, it is advisable to buy your ticket at least 27 days before the departure date.
The airline offering the cheapest flight tickets is Ryanair. A ticket from the airline Ryanair to Seattle costs on average $593.
The airlines that offer the most flights are Aer Lingus and Aer Lingus.
info departure city :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is a city in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {fromLocalTime}, the temperature is on average 6°C, with a minimum of 2°C and a maximum of 12°C.
The city of Dublin has 1 airport(s): Dublin
destination info :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :
Seattle is in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {toLocalTime}, the temperature is on average 17°C, with a minimum of 11°C and a maximum of 24°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Useful info about Seattle
What is the least touristic period to go to Seattle?
If you want to visit Seattle during the least touristic period, choose the month of July.
What is the most popular time to travel to Seattle?
In Seattle, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Dublin to Seattle?
According to our data, it is recommended to book your flight 27 days before your departure. If you book your flight ticket 4 weeks before your departure, you may find a price below average. You can also choose morning flights that are 18% cheaper than afternoon and evening flights. The cheapest day to book a flight from Dublin to Seattle is Wednesday.
What are the arrival and destination airports when traveling between Dublin and Seattle?
When you leave, you can leave from Dublin, and you will arrive at Seattle-Tacoma.
How to reach Dublin airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Dublin to Seattle?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Dublin and Seattle?
In summer, the average temperature is 18°C in Seattle and 15°C in Dublin. The average rainfall in summer is 38 mm in Seattle and 76 mm in Dublin. In summer, it is warmer in Seattle and it rains less in Seattle. In winter, it is colder in Dublin and it rains more in Seattle.
