Cheap flights from Seattle to Dublin from $101

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Dublin departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

JetBlue Logo
11:40 pm - 8:20 amSEA-DUB
24h 40m1 stop
JetBlue Logo
10:40 am - 10:19 amDUB-SEA
31h 39m1 stop
$101JetBlue
Find Deal
Tue, Sep 9 - Wed, Sep 24
JetBlue Logo
11:40 pm - 8:20 amSEA-DUB
24h 40m1 stop
JetBlue Logo
10:40 am - 10:19 amDUB-SEA
31h 39m1 stop
$251JetBlue
Find Deal
Tue, Sep 16 - Wed, Oct 1
JetBlue Logo
11:20 pm - 8:20 amSEA-DUB
25h 00m1 stop
JetBlue Logo
10:40 am - 10:20 amDUB-SEA
31h 40m1 stop
$325JetBlue
Find Deal
Wed, Aug 6 - Thu, Aug 14
United Airlines Logo
8:00 am - 10:20 amSEA-DUB
19h 20m1 stop
United Airlines Logo
9:00 am - 6:10 pmDUB-SEA
41h 10m2 stops
$335United Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 19
Air Canada Logo
7:15 pm - 7:45 amSEA-DUB
28h 30m2 stops
Air Canada Logo
9:20 am - 8:45 pmDUB-SEA
19h 25m1 stop
$341Air Canada
Find Deal
Tue, Aug 12 - Thu, Aug 21
Icelandair Logo
7:00 pm - 11:05 amSEA-DUB
32h 05m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
$355Icelandair
Find Deal
Mon, Oct 20 - Sun, Nov 2
Icelandair Logo
3:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
$356Icelandair
Find Deal
Mon, Oct 27 - Sun, Nov 9
Delta Logo
9:30 am - 7:45 amSEA-DUB
14h 15m1 stop
Delta Logo
10:45 am - 10:23 pmDUB-SEA
19h 38m2 stops
$368Delta
Find Deal
Tue, Dec 2 - Fri, Dec 12
Delta Logo
11:55 pm - 7:45 amSEA-DUB
23h 50m1 stop
Delta Logo
10:45 am - 7:29 pmDUB-SEA
16h 44m1 stop
$369Delta
Find Deal
Mon, Nov 3 - Wed, Nov 12
British Airways Logo
6:50 pm - 3:25 pmSEA-DUB
12h 35m1 stop
British Airways Logo
8:50 am - 4:55 pmDUB-SEA
16h 05m1 stop
$396British Airways
Find Deal
Mon, Nov 3 - Wed, Nov 12

JetBlue flights from Seattle to Dublin

Our best JetBlue deals on Seattle to Dublin flight tickets
JetBlue
Sep 9
SEA11:40 pmSeattle/Tacoma Intl
24h 40m
1 stop
DUB8:20 amDublin
Sep 24
DUB10:40 amDublin
31h 39m
1 stop
SEA10:19 amSeattle/Tacoma Intl
JetBlue
Sep 16
SEA11:40 pmSeattle/Tacoma Intl
24h 40m
1 stop
DUB8:20 amDublin
Oct 1
DUB10:40 amDublin
31h 39m
1 stop
SEA10:19 amSeattle/Tacoma Intl
JetBlue
Aug 6
SEA11:20 pmSeattle/Tacoma Intl
25h 00m
1 stop
DUB8:20 amDublin
Aug 14
DUB10:40 amDublin
31h 40m
1 stop
SEA10:20 amSeattle/Tacoma Intl

United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
Oct 27
SEA8:00 amSeattle/Tacoma Intl
19h 20m
1 stop
DUB10:20 amDublin
Nov 19
DUB9:00 amDublin
41h 10m
2 stops
SEA6:10 pmSeattle/Tacoma Intl
United Airlines
Oct 26
SEA8:15 amSeattle/Tacoma Intl
14h 55m
1 stop
DUB6:10 amDublin
Nov 12
DUB9:00 amDublin
34h 43m
2 stops
SEA11:43 amSeattle/Tacoma Intl
United Airlines
Oct 27
SEA11:59 pmSeattle/Tacoma Intl
26h 56m
2 stops
DUB9:55 amDublin
Nov 19
DUB9:00 amDublin
41h 10m
2 stops
SEA6:10 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 $516.

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 $755. Flights from Seattle to Dublin on a Saturday will generally be more expensive and average around $919. 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 $882.

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 $668 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 $601 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 55% 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 47% 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

$264

Fastest flight time

9h 00m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Seattle in the past 72 hours is $264. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is $101.
The fastest flight from Seattle to Dublin takes 9h 00m
Direct flights go from Seattle to Dublin every day.
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 11h 15m.

  • 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
IberiaPriceFrom $363Free CancellationRating
7.0
2,841 reviews
Search Iberia flights
IcelandairPriceFrom $379Free CancellationRating
7.0
518 reviews
Search Icelandair flights
Air CanadaPriceFrom $431Free CancellationRating
7.1
9,738 reviews
Search Air Canada flights
DeltaPriceFrom $432Free CancellationRating
8.0
7,959 reviews
Search Delta flights
Aer LingusPriceFrom $433Free CancellationRating
7.1
1,168 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $450Free CancellationRating
6.6
7,151 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $468Free CancellationRating
7.3
1,424 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $478Free CancellationRating
7.4
8,864 reviews
Search United Airlines flights
LufthansaPriceFrom $488Free CancellationRating
6.8
7,216 reviews
Search Lufthansa flights
KLMPriceFrom $507Free CancellationRating
7.8
1,374 reviews
Search KLM 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 $546 (round-trip), much lower than the average airfare cost of $941 for American Airlines flights on this route.

  • Aer Lingus Flights From Seattle to Dublin

    Aer Lingus (7.1/10 from 1,168 reviews) operates around 4 flights from Seattle to Dublin in any given week. The average Aer Lingus airfare for this route is around $737, with deals from around $433 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
Leixlip
Mullingar
Bray
Castleknock
Cavan
Kildare
Naas
Drogheda
Arklow
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.


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1 adult
Tue 7/22
Tue 7/29

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