Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Dublin from $170

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Dublin departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Seattle to Dublin

Cheap round-trip flights

Aer Lingus Logo
8:05 pm - 1:10 pmSEA-DUB
9h 05mnonstop
Aer Lingus Logo
4:30 pm - 6:20 pmDUB-SEA
9h 50mnonstop
$300Aer Lingus
Find Deal
Wed, Dec 3 - Wed, Dec 10
Aer Lingus Logo
8:05 pm - 1:10 pmSEA-DUB
9h 05mnonstop
Aer Lingus Logo
4:30 pm - 6:20 pmDUB-SEA
9h 50mnonstop
$301Aer Lingus
Find Deal
Mon, Nov 3 - Fri, Nov 7
Aer Lingus Logo
8:05 pm - 1:10 pmSEA-DUB
9h 05mnonstop
Aer Lingus Logo
4:30 pm - 6:20 pmDUB-SEA
9h 50mnonstop
$302Aer Lingus
Find Deal
Mon, Nov 3 - Fri, Nov 7
United Airlines Logo
7:00 am - 8:10 amSEA-DUB
18h 10m1 stop
United Airlines Logo
9:00 am - 1:54 pmDUB-SEA
36h 54m2 stops
$335United Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 5
Air Canada Logo
7:15 pm - 7:45 amSEA-DUB
52h 30m2 stops
Air Canada Logo
9:20 am - 8:41 pmDUB-SEA
19h 21m1 stop
$341Air Canada
Find Deal
Fri, Aug 8 - Thu, Aug 21
United Airlines Logo
8:00 am - 7:10 amSEA-DUB
15h 10m1 stop
United Airlines Logo
9:20 am - 8:41 pmDUB-SEA
19h 21m1 stop
$346United Airlines
Find Deal
Tue, Aug 5 - Thu, Aug 21
Icelandair Logo
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
$354Icelandair
Find Deal
Fri, Dec 5 - Fri, Dec 12
Icelandair Logo
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
$357Icelandair
Find Deal
Thu, Dec 4 - Thu, Dec 11
Delta Logo
6:05 am - 8:45 amSEA-DUB
18h 40m2 stops
Delta Logo
9:45 am - 5:14 pmDUB-SEA
15h 29m1 stop
$368Delta
Find Deal
Wed, Dec 3 - Thu, Dec 11
Delta Logo
10:00 pm - 9:20 amSEA-DUB
28h 20m1 stop
Delta Logo
9:45 am - 12:14 amDUB-SEA
22h 29m1 stop
$369Delta
Find Deal
Sat, Oct 25 - Fri, Nov 7

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
Dec 5
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Dec 12
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Dec 4
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Dec 11
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Icelandair
Dec 6
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Dec 13
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl

Aer Lingus flights from Seattle to Dublin

Our best Aer Lingus deals on Seattle to Dublin flight tickets
Aer Lingus
Dec 3
SEA8:05 pmSeattle/Tacoma Intl
9h 05m
DUB1:10 pmDublin
Dec 10
DUB4:30 pmDublin
9h 50m
SEA6:20 pmSeattle/Tacoma Intl
Aer Lingus
Nov 3
SEA8:05 pmSeattle/Tacoma Intl
9h 05m
DUB1:10 pmDublin
Nov 7
DUB4:30 pmDublin
9h 50m
SEA6:20 pmSeattle/Tacoma Intl
Aer Lingus
Nov 3
SEA8:05 pmSeattle/Tacoma Intl
9h 05m
DUB1:10 pmDublin
Nov 7
DUB4:30 pmDublin
9h 50m
SEA6:20 pmSeattle/Tacoma Intl

See travel insights to Dublin from

How to get the cheapest flight ticket from Seattle to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dublin?

In general, January is the cheapest month to fly from Seattle to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $437. If you’re not able to fly to Dublin in January, then November is your next best option. Flight prices from Seattle to Dublin during November average around $505.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Seattle to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $756. Flights from Seattle to Dublin on a Saturday will generally be more expensive and average around $917. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

At noon is the cheapest time of day to fly from Seattle to Dublin when you can find flight prices for as low as $610. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $884.

What is the cheapest Seattle/Tacoma Intl to Dublin flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Dublin flight prices

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $673 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Seattle for as low as $622 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Dublin flights?

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Dublin flights?

You could potentially save up to 46% on your flight if you consider stops on a Seattle to Dublin flight.

How have Seattle to Dublin flight prices changed over time?

As of July 2025, prices for Seattle to Dublin flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Dublin (SEA to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Dublin

Best Price Found

$170

Fastest flight time

9h 00m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in Dublin

1 airport
The best one-way flight to Dublin from Seattle in the past 72 hours is $170. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is $300.
The fastest flight from Seattle to Dublin takes 9h 00m
Direct flights go from Seattle to Dublin on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: Aer Lingus, American Airlines and British Airways.
There is 1 airport near Dublin: Dublin (DUB)

  • How far is Seattle/Tacoma Intl to Dublin by plane?

    Dublin is 4518.4 mi away from Seattle/Tacoma Intl. By plane, this route typically takes 9h 00m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Dublin Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Dublin Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Dublin Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Dublin?

  • What is the most popular airline from Seattle to Dublin?


Best airlines flying from Seattle to Dublin

Compare and see reviews for airlines that fly from Seattle to Dublin with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $337Free CancellationRating
7.5
1,468 reviews
Search Air France flights
IberiaPriceFrom $363Free CancellationRating
7.0
2,825 reviews
Search Iberia flights
IcelandairPriceFrom $379Free CancellationRating
7.0
514 reviews
Search Icelandair flights
DeltaPriceFrom $432Free CancellationRating
8.0
7,954 reviews
Search Delta flights
Aer LingusPriceFrom $453Free CancellationRating
7.1
1,151 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $459Free CancellationRating
6.6
7,103 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $468Free CancellationRating
7.3
1,413 reviews
Search Scandinavian Airlines flights
Air CanadaPriceFrom $474Free CancellationRating
7.1
9,691 reviews
Search Air Canada flights
United AirlinesPriceFrom $478Free CancellationRating
7.4
8,842 reviews
Search United Airlines flights
LufthansaPriceFrom $488Free CancellationRating
6.8
7,197 reviews
Search Lufthansa flights
  • American Airlines Flights From Seattle to Dublin

    American Airlines flies from Seattle to Dublin around 7 times per week, with 10,000 momondo users rating the airline 7.2/10. The cheapest American Airlines deal from Seattle to Dublin in the last 72 hours was $550 (round-trip), much lower than the average airfare cost of $927 for American Airlines flights on this route.

  • Aer Lingus Flights From Seattle to Dublin

    Aer Lingus (7.1/10 from 1,151 reviews) operates around 4 flights from Seattle to Dublin in any given week. The average Aer Lingus airfare for this route is around $746, with deals from around $453 rare but found on momondo. Referenced prices are for round-trip Seattle to Dublin flight searches in the last 72 hours.


Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Maynooth
Athlone
Dundalk
Malahide
Mullingar
Leixlip
Naas
Castleknock
Cavan
Kildare
Drogheda
Arklow
Bray
Enniscorthy
Wicklow
Tullamore
Slane
Thurles

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Dublin?

It is quick and easy to find Seattle to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

Can I find flights from Seattle to Dublin with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Dublin flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Dublin?

momondo provides multiple filters to help you find the best flight to Dublin from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Dublin right now. Can momondo alert me if prices change?

Price alerts on flights to Dublin from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/14
Mon 7/21

Find better results for your trip to Ireland