Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Dublin from C$ 330

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 26/7. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? 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

 Logo
9:47 a.m. - 8:40 a.m.SEA-DUB
14h 53m1 stop
 Logo
2:05 p.m. - 9:15 p.m.DUB-SEA
15h 10m1 stop
C$ 565
Find Deal
Wed, 3 Dec - Sun, 7 Dec
 Logo
11:59 p.m. - 7:15 a.m.SEA-DUB
23h 16m1 stop
 Logo
11:30 a.m. - 8:51 p.m.DUB-SEA
17h 21m2 stops
C$ 570
Find Deal
Wed, 12 Nov - Wed, 26 Nov
 Logo
9:50 p.m. - 4:30 a.m.SEA-DUB
22h 40m1 stop
 Logo
4:10 p.m. - 5:50 p.m.DUB-SEA
9h 40mdirect
C$ 618
Find Deal
Tue, 12 Aug - Tue, 19 Aug
United Airlines Logo
8:00 a.m. - 10:05 a.m.SEA-DUB
18h 05m1 stop
United Airlines Logo
9:00 a.m. - 11:40 a.m.DUB-SEA
34h 40m2 stops
C$ 622United Airlines
Find Deal
Wed, 12 Nov - Wed, 26 Nov
United Airlines Logo
8:00 a.m. - 10:05 a.m.SEA-DUB
18h 05m1 stop
United Airlines Logo
9:00 a.m. - 12:59 a.m.DUB-SEA
23h 59m2 stops
C$ 640United Airlines
Find Deal
Mon, 17 Nov - Fri, 28 Nov
Icelandair Logo
3:45 p.m. - 11:05 a.m.SEA-DUB
11h 20m1 stop
Icelandair Logo
2:15 p.m. - 11:25 a.m.DUB-SEA
29h 10m1 stop
C$ 681Icelandair
Find Deal
Thu, 7 Aug - Mon, 18 Aug
Icelandair Logo
11:30 p.m. - 1:15 p.m.SEA-DUB
29h 45m1 stop
Icelandair Logo
2:15 p.m. - 11:25 a.m.DUB-SEA
29h 10m1 stop
C$ 682Icelandair
Find Deal
Tue, 12 Aug - Mon, 18 Aug
British Airways Logo
1:30 p.m. - 5:55 p.m.SEA-DUB
20h 25m1 stop
British Airways Logo
12:45 p.m. - 6:20 p.m.DUB-SEA
13h 35m1 stop
C$ 747British Airways
Find Deal
Tue, 26 Aug - Fri, 5 Sep
Aer Lingus Logo
7:35 p.m. - 12:35 p.m.SEA-DUB
9h 00mdirect
Aer Lingus Logo
11:35 a.m. - 11:40 p.m.DUB-SEA
20h 05m1 stop
C$ 809Aer Lingus
Find Deal
Wed, 13 Aug - Wed, 20 Aug
Aer Lingus Logo
1:30 p.m. - 10:15 a.m.SEA-DUB
12h 45m1 stop
Aer Lingus Logo
4:10 p.m. - 5:50 p.m.DUB-SEA
9h 40mdirect
C$ 875Aer Lingus
Find Deal
Thu, 7 Aug - Fri, 15 Aug

Delta flights from Seattle to Dublin

Our best Delta deals on Seattle to Dublin flight tickets
Delta
12 Nov
SEA6:00 a.m.Seattle/Tacoma Intl
17h 45m
1 stop
DUB7:45 a.m.Dublin
26 Nov
DUB6:00 a.m.Dublin
22h 32m
2 stops
SEA8:32 p.m.Seattle/Tacoma Intl
Delta
1 Dec
SEA10:00 p.m.Seattle/Tacoma Intl
27h 20m
1 stop
DUB9:20 a.m.Dublin
12 Dec
DUB8:55 a.m.Dublin
21h 28m
2 stops
SEA10:23 p.m.Seattle/Tacoma Intl
Delta
29 Oct
SEA3:00 p.m.Seattle/Tacoma Intl
17h 40m
1 stop
DUB3:40 p.m.Dublin
12 Nov
DUB8:55 a.m.Dublin
21h 21m
2 stops
SEA10:16 p.m.Seattle/Tacoma Intl

Lufthansa flights from Seattle to Dublin

Our best Lufthansa deals on Seattle to Dublin flight tickets
Lufthansa
20 Aug
SEA6:50 p.m.Seattle/Tacoma Intl
14h 05m
1 stop
DUB4:55 p.m.Dublin
25 Sep
DUB9:20 a.m.Dublin
20h 56m
2 stops
SEA10:16 p.m.Seattle/Tacoma Intl
Lufthansa
20 Aug
SEA6:50 p.m.Seattle/Tacoma Intl
14h 05m
1 stop
DUB4:55 p.m.Dublin
23 Sep
DUB9:50 a.m.Dublin
16h 46m
2 stops
SEA6:36 p.m.Seattle/Tacoma Intl
Lufthansa
24 Aug
SEA6:50 p.m.Seattle/Tacoma Intl
16h 25m
1 stop
DUB7:15 p.m.Dublin
8 Sep
DUB5:40 p.m.Dublin
26h 15m
1 stop
SEA11:55 a.m.Seattle/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?

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 C$ 690.

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

On average, the least expensive day to fly to Dublin from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as C$ 837. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around C$ 1,171. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

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

According to our data, the cheapest time of day to fly to Dublin is in the morning. momondo users have found flights departing from Seattle to Dublin in the morning for as low as C$ 723. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,064.

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 26 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around C$ 929 when searching 26 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 C$ 845 on momondo.

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

There are 1 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.

How have Seattle to Dublin flight prices changed over time?

As of June 2025, prices for Seattle to Dublin flights are approximately 14% 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

C$ 330

Fastest flight time

9h 00m

Direct flights

Mon, Tue, Wed, Thu and Sun

Airports in Dublin

1 airport
The best one-way flight to Dublin from Seattle in the past 72 hours is C$ 330. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is C$ 565.
The fastest flight from Seattle to Dublin takes 9h 00m
Direct flights go from Seattle to Dublin on Monday, Tuesday, Wednesday, Thursday and Sunday. The only airline offering direct flights is Aer Lingus.
There is 1 airport near Dublin: Dublin (DUB)

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

    A flight from Seattle/Tacoma Intl to Dublin will travel around 7271.7 km. Flights usually cover this in 9h 00m, depending on flying conditions and air traffic around both airports.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
British AirwaysPriceFrom C$ 382Free CancellationRating
6.6
7,008 reviews
Search British Airways flights
Aer LingusPriceFrom C$ 563Free CancellationRating
7.1
1,117 reviews
Search Aer Lingus flights
IcelandairPriceFrom C$ 571Free CancellationRating
7.0
499 reviews
Search Icelandair flights
  • Aer Lingus Flights From Seattle to Dublin

    The lowest priced Aer Lingus flight from Seattle to Dublin from the last 72 hours was C$ 412. Generally, Aer Lingus has 1 flight on this route every week with an average price of C$ 686. Aer Lingus is rated 7.1/10 by our users.

  • British Airways Flights From Seattle to Dublin

    Another popular option for Seattle to Dublin flights is British Airways (6.6/10, 7,008 ratings). British Airways flies from Seattle to Dublin around 1 time per week, with deals starting from C$ 280 round-trip and rising to an average price of around C$ 647.


Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Bray
Maynooth
Portmarnock

Why use momondo?

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

Finding the right flight to Dublin from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

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

All flight searches from Seattle to Dublin on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Dublin.

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

Of course. momondo tracks the price of Seattle to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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
Tue 17/6
Tue 24/6

Find better results for your trip to Ireland