Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Seattle to Dublin
The cheapest flights right now
Seattle – Dublin
Outbound – Nov 8, 2026
1 stop
11h 40m KEF
Return – Nov 24, 2026
1 stop
13h 30m KEF
$680
3 days ago
Seattle – Dublin
Outbound – Nov 8, 2026
1 stop
11h 40m KEF
Return – Nov 24, 2026
1 stop
13h 30m KEF
$679
2 days ago
Seattle – Dublin
Outbound – Nov 8, 2026
1 stop
11h 40m KEF
Return – Nov 24, 2026
1 stop
13h 30m KEF
$678
yesterday
Seattle – Dublin
Outbound – Nov 8, 2026
1 stop
12h 55m JFK
Return – Nov 24, 2026
1 stop
14h 2m AMS
$856
2 days ago
* 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
$454
Average price of a round trip
$683
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
9h5
A flight from Seattle to Dublin takes on average 9h5.
Best time
February
According to user searches, the ideal month to go to Dublin is February.
Tips for finding a cheap flight from Seattle to Dublin
Check out our tips for booking your flight to Dublin (Ireland) from Seattle (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $441 (calculation over the last two years). The most touristic season corresponds to the months of October, April and September.
For the cheapest flights, it is advisable to buy your ticket at least 1 days before the departure date.
The airline offering the cheapest flight tickets is Alaska Airlines. A ticket from the airline Alaska Airlines to Dublin costs on average $355.
The airlines that offer the most flights are Aer Lingus and Aer Lingus.
Price of flight tickets from Seattle to Dublin
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $454 to $1118
- The average price of a flight ticket is about $683
- Prices are lowest for stays in the month of October
- The month in which booking a ticket is cheaper is: September
info departure city :
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 a city in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {fromLocalTime}, 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
destination info :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {toLocalTime}, 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
Useful info about Dublin
What is the least touristic period to go to Dublin?
If you want to visit Dublin during the least touristic period, choose the month of February.
What is the most popular time to travel to Dublin?
In Dublin, 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 Seattle to Dublin?
According to our data, it is recommended to book your flight 1 days before your departure. If you book your flight ticket 1 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Seattle to Dublin is Sunday.
What are the arrival and destination airports when traveling between Seattle and Dublin?
When you leave, you can leave from Seattle-Tacoma, and you will arrive at Dublin.
How to reach Seattle airport from the city centre?
The airport Kenmore Air Harbor Spb. is located 3 km, Seattle-Tacoma is located 16 km, Renton is located 16 km or King County is located 8 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Seattle to Dublin?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Seattle and Dublin?
In summer, the average temperature is 15°C in Dublin and 18°C in Seattle. The average rainfall in summer is 76 mm in Dublin and 38 mm in Seattle. 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.
