Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Dublin from C$ 419

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 11/3. 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.
Search flight deals

Find the cheapest flights from Seattle to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:35 p.m. - 12:15 p.m.SEA-DUB
13h 40m1 stop
Icelandair Logo
2:15 p.m. - 5:50 p.m.DUB-SEA
11h 35m1 stop
C$ 571Icelandair
Find Deal
Fri, 27 Mar - Tue, 31 Mar
Icelandair Logo
3:45 p.m. - 11:05 a.m.SEA-DUB
11h 20m1 stop
Icelandair Logo
12:15 p.m. - 5:50 p.m.DUB-SEA
13h 35m1 stop
C$ 580Icelandair
Find Deal
Thu, 2 Apr - Fri, 1 May
Aer Lingus Logo
8:05 p.m. - 1:10 p.m.SEA-DUB
9h 05mdirect
Aer Lingus Logo
4:30 p.m. - 6:20 p.m.DUB-SEA
9h 50mdirect
C$ 586Aer Lingus
Find Deal
Wed, 10 Dec - Wed, 17 Dec
Delta Logo
6:00 a.m. - 7:45 a.m.SEA-DUB
17h 45m1 stop
Delta Logo
9:45 a.m. - 8:35 p.m.DUB-SEA
18h 50m1 stop
C$ 607Delta
Find Deal
Tue, 2 Dec - Tue, 16 Dec
Delta Logo
7:10 a.m. - 9:20 a.m.SEA-DUB
18h 10m2 stops
Delta Logo
10:45 a.m. - 11:12 p.m.DUB-SEA
20h 27m2 stops
C$ 614Delta
Find Deal
Wed, 25 Feb - Tue, 3 Mar
Delta Logo
11:00 p.m. - 7:45 a.m.SEA-DUB
24h 45m1 stop
Delta Logo
9:45 a.m. - 8:35 p.m.DUB-SEA
18h 50m1 stop
C$ 616Delta
Find Deal
Sat, 6 Dec - Tue, 16 Dec
Delta Logo
7:35 a.m. - 9:20 a.m.SEA-DUB
17h 45m1 stop
Delta Logo
6:00 a.m. - 11:25 a.m.DUB-SEA
13h 25m1 stop
C$ 620Delta
Find Deal
Tue, 2 Dec - Thu, 11 Dec
Delta Logo
7:30 a.m. - 9:20 a.m.SEA-DUB
17h 50m1 stop
Delta Logo
5:55 a.m. - 12:35 p.m.DUB-SEA
13h 40m1 stop
C$ 625Delta
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Delta Logo
7:10 a.m. - 9:20 a.m.SEA-DUB
18h 10m2 stops
Delta Logo
1:25 p.m. - 11:35 a.m.DUB-SEA
30h 10m1 stop
C$ 627Delta
Find Deal
Wed, 25 Feb - Mon, 2 Mar
Delta Logo
2:05 p.m. - 3:45 p.m.SEA-DUB
17h 40m1 stop
Delta Logo
11:30 a.m. - 10:14 p.m.DUB-SEA
18h 44m1 stop
C$ 628Delta
Find Deal
Wed, 3 Dec - Fri, 12 Dec

Icelandair flights from Seattle to Dublin

Our best Icelandair deals on Seattle to Dublin flight tickets
Icelandair
27 Mar
SEA3:35 p.m.Seattle/Tacoma Intl
13h 40m
1 stop
DUB12:15 p.m.Dublin
31 Mar
DUB2:15 p.m.Dublin
11h 35m
1 stop
SEA5:50 p.m.Seattle/Tacoma Intl
C$ 571
Find similar
Icelandair
2 Apr
SEA3:45 p.m.Seattle/Tacoma Intl
11h 20m
1 stop
DUB11:05 a.m.Dublin
1 May
DUB12:15 p.m.Dublin
13h 35m
1 stop
SEA5:50 p.m.Seattle/Tacoma Intl
C$ 580
Find similar
Icelandair
27 Mar
SEA3:35 p.m.Seattle/Tacoma Intl
13h 40m
1 stop
DUB12:15 p.m.Dublin
31 Mar
DUB2:15 p.m.Dublin
14h 30m
1 stop
SEA8:45 p.m.Seattle/Tacoma Intl
C$ 631
Find similar

United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
2 May
SEA12:45 p.m.Seattle/Tacoma Intl
34h 25m
1 stop
DUB7:10 a.m.Dublin
13 May
DUB9:20 a.m.Dublin
32h 01m
1 stop
SEA9:21 a.m.Seattle/Tacoma Intl
C$ 637
Find similar
United Airlines
4 Mar
SEA8:17 a.m.Seattle/Tacoma Intl
18h 03m
1 stop
DUB10:20 a.m.Dublin
11 Mar
DUB8:00 a.m.Dublin
41h 58m
2 stops
SEA6:58 p.m.Seattle/Tacoma Intl
C$ 638
Find similar
United Airlines
5 Apr
SEA7:00 a.m.Seattle/Tacoma Intl
18h 45m
1 stop
DUB9:45 a.m.Dublin
14 Apr
DUB9:50 a.m.Dublin
37h 25m
2 stops
SEA3:15 p.m.Seattle/Tacoma Intl
C$ 644
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 12 November 2025.
Use the filters below to find and compare flights from Seattle to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 27/3

3:35 p.m.-12:15 p.m.

1 stop13h 40m

Dublin

Tue 31/3

2:15 p.m.-5:50 p.m.

1 stop11h 35m

C$ 571

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Thu 2/4

3:45 p.m.-11:05 a.m.

1 stop11h 20m

Dublin

Fri 1/5

12:15 p.m.-5:50 p.m.

1 stop13h 35m

C$ 580

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 10/12

8:05 p.m.-1:10 p.m.

Nonstop9h 05m

Dublin

Wed 17/12

4:30 p.m.-6:20 p.m.

Nonstop9h 50m

C$ 586

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/12

6:00 a.m.-7:45 a.m.

1 stop17h 45m

Dublin

Tue 16/12

9:45 a.m.-8:35 p.m.

1 stop18h 50m

C$ 607

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 25/2

7:10 a.m.-9:20 a.m.

2 stops18h 10m

Dublin

Tue 3/3

10:45 a.m.-11:12 p.m.

2 stops20h 27m

C$ 614

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 6/12

11:00 p.m.-7:45 a.m.

1 stop24h 45m

Dublin

Tue 16/12

9:45 a.m.-8:35 p.m.

1 stop18h 50m

C$ 616

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/12

7:35 a.m.-9:20 a.m.

1 stop17h 45m

Dublin

Thu 11/12

6:00 a.m.-11:25 a.m.

1 stop13h 25m

C$ 620

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/3

7:30 a.m.-9:20 a.m.

1 stop17h 50m

Dublin

Wed 11/3

5:55 a.m.-12:35 p.m.

1 stop13h 40m

C$ 625

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 25/2

7:10 a.m.-9:20 a.m.

2 stops18h 10m

Dublin

Mon 2/3

1:25 p.m.-11:35 a.m.

1 stop30h 10m

C$ 627

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 3/12

2:05 p.m.-3:45 p.m.

1 stop17h 40m

Dublin

Fri 12/12

11:30 a.m.-10:14 p.m.

1 stop18h 44m

C$ 628

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Seattle and Dublin?

What is the cheapest month to fly to Dublin?

If you’re not able to fly to Dublin in November, then January is your next best option. Flight prices from Seattle to Dublin during January average around C$ 738.

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 Sunday. momondo users have found tickets for Sunday departures for as low as C$ 929. 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$ 1,430. 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$ 742. 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$ 1,214.

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 C$ 923 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 C$ 823 on momondo.

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

There is only 1 cabin class 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 November 2025, prices for Seattle to Dublin flights are approximately 41% more expensive 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

Fastest flight time

9h 05m

Direct flights

Mon, Tue, Thu and Sat

Airports in Dublin

1 airport
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin on Monday, Tuesday, Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • 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 05m, 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
IcelandairPriceFrom C$ 586Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Aer LingusPriceFrom C$ 646Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus 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$ 646. Generally, Aer Lingus has 4 flights on this route every week with an average price of C$ 1,002. Aer Lingus is rated 7.2/10 by our users.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/12
Fri 19/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland