Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Dublin from C$ 381

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 9/3. 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
2:35 p.m. - 10:15 a.m.
SEA
-
DUB
11h 40m
1 stop
Icelandair Logo
11:30 a.m. - 6:00 p.m.
DUB
-
SEA
13h 30m
1 stop
C$ 832Icelandair
Tue, 3 Mar - Tue, 10 Mar
Icelandair Logo
2:35 p.m. - 10:15 a.m.
SEA
-
DUB
11h 40m
1 stop
Icelandair Logo
11:30 a.m. - 6:00 p.m.
DUB
-
SEA
13h 30m
1 stop
C$ 835Icelandair
Tue, 3 Mar - Tue, 10 Mar
Icelandair Logo
3:40 p.m. - 1:15 p.m.
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
12:15 p.m. - 5:55 p.m.
DUB
-
SEA
13h 40m
1 stop
C$ 842Icelandair
Wed, 6 May - Wed, 13 May
United Airlines Logo
9:00 a.m. - 9:55 a.m.
SEA
-
DUB
16h 55m
2 stops
United Airlines Logo
8:00 a.m. - 6:04 p.m.
DUB
-
SEA
41h 04m
2 stops
C$ 850United Airlines
Mon, 23 Feb - Fri, 13 Mar
United Airlines Logo
11:48 p.m. - 9:45 a.m.
SEA
-
DUB
25h 57m
1 stop
United Airlines Logo
9:50 a.m. - 9:15 a.m.
DUB
-
SEA
31h 25m
1 stop
C$ 851United Airlines
Sat, 2 May - Wed, 13 May
Icelandair Logo
3:40 p.m. - 1:15 p.m.
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
2:15 p.m. - 5:55 p.m.
DUB
-
SEA
11h 40m
1 stop
C$ 852Icelandair
Sun, 3 May - Tue, 12 May
United Airlines Logo
8:00 a.m. - 10:40 a.m.
SEA
-
DUB
18h 40m
1 stop
United Airlines Logo
9:50 a.m. - 7:00 p.m.
DUB
-
SEA
41h 10m
2 stops
C$ 858United Airlines
Mon, 30 Mar - Tue, 7 Apr
Icelandair Logo
3:40 p.m. - 1:15 p.m.
SEA
-
DUB
13h 35m
1 stop
Icelandair Logo
12:15 p.m. - 8:40 p.m.
DUB
-
SEA
16h 25m
1 stop
C$ 859Icelandair
Wed, 6 May - Fri, 15 May
Icelandair Logo
7:00 p.m. - 11:05 a.m.
SEA
-
DUB
32h 05m
1 stop
Icelandair Logo
12:15 p.m. - 5:55 p.m.
DUB
-
SEA
13h 40m
1 stop
C$ 862Icelandair
Fri, 1 May - Wed, 13 May
United Airlines Logo
8:00 a.m. - 8:15 a.m.
SEA
-
DUB
16h 15m
1 stop
United Airlines Logo
9:50 a.m. - 7:00 p.m.
DUB
-
SEA
41h 10m
2 stops
C$ 863United Airlines
Sun, 29 Mar - Tue, 7 Apr

Scandinavian Airlines flights from Seattle to Dublin

Our best Scandinavian Airlines deals on Seattle to Dublin flight tickets
Scandinavian Airlines
19 Apr
SEA7:00 a.m.Seattle/Tacoma Intl
27h 20m
2 stops
DUB6:20 p.m.Dublin
27 Apr
DUB7:05 p.m.Dublin
35h 15m
2 stops
SEA10:20 p.m.Seattle/Tacoma Intl
C$ 911
Scandinavian Airlines
19 Apr
SEA7:00 a.m.Seattle/Tacoma Intl
27h 20m
2 stops
DUB6:20 p.m.Dublin
23 Apr
DUB7:05 p.m.Dublin
35h 15m
2 stops
SEA10:20 p.m.Seattle/Tacoma Intl
C$ 915
Scandinavian Airlines
6 May
SEA10:35 a.m.Seattle/Tacoma Intl
23h 45m
2 stops
DUB6:20 p.m.Dublin
21 May
DUB7:50 p.m.Dublin
25h 55m
2 stops
SEA1:45 p.m.Seattle/Tacoma Intl
C$ 922

United Airlines flights from Seattle to Dublin

Our best United Airlines deals on Seattle to Dublin flight tickets
United Airlines
23 Feb
SEA9:00 a.m.Seattle/Tacoma Intl
16h 55m
2 stops
DUB9:55 a.m.Dublin
13 Mar
DUB8:00 a.m.Dublin
41h 04m
2 stops
SEA6:04 p.m.Seattle/Tacoma Intl
C$ 850
United Airlines
2 May
SEA11:48 p.m.Seattle/Tacoma Intl
25h 57m
1 stop
DUB9:45 a.m.Dublin
13 May
DUB9:50 a.m.Dublin
31h 25m
1 stop
SEA9:15 a.m.Seattle/Tacoma Intl
C$ 851
United Airlines
18 Feb
SEA8:17 a.m.Seattle/Tacoma Intl
15h 13m
2 stops
DUB7:30 a.m.Dublin
18 Mar
DUB8:00 a.m.Dublin
42h 03m
2 stops
SEA7:03 p.m.Seattle/Tacoma Intl
C$ 855

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 11 February 2026.
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

Tue 3/3

2:35 p.m.-10:15 a.m.

1 stop11h 40m

Dublin

Tue 10/3

11:30 a.m.-6:00 p.m.

1 stop13h 30m

C$ 832

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 3/3

2:35 p.m.-10:15 a.m.

1 stop11h 40m

Dublin

Tue 10/3

11:30 a.m.-6:00 p.m.

1 stop13h 30m

C$ 835

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 6/5

3:40 p.m.-1:15 p.m.

1 stop13h 35m

Dublin

Wed 13/5

12:15 p.m.-5:55 p.m.

1 stop13h 40m

C$ 842

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 23/2

9:00 a.m.-9:55 a.m.

2 stops16h 55m

Dublin

Fri 13/3

8:00 a.m.-6:04 p.m.

2 stops41h 04m

C$ 850

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 2/5

11:48 p.m.-9:45 a.m.

1 stop25h 57m

Dublin

Wed 13/5

9:50 a.m.-9:15 a.m.

1 stop31h 25m

C$ 851

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 3/5

3:40 p.m.-1:15 p.m.

1 stop13h 35m

Dublin

Tue 12/5

2:15 p.m.-5:55 p.m.

1 stop11h 40m

C$ 852

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 30/3

8:00 a.m.-10:40 a.m.

1 stop18h 40m

Dublin

Tue 7/4

9:50 a.m.-7:00 p.m.

2 stops41h 10m

C$ 858

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 6/5

3:40 p.m.-1:15 p.m.

1 stop13h 35m

Dublin

Fri 15/5

12:15 p.m.-8:40 p.m.

1 stop16h 25m

C$ 859

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Fri 1/5

7:00 p.m.-11:05 a.m.

1 stop32h 05m

Dublin

Wed 13/5

12:15 p.m.-5:55 p.m.

1 stop13h 40m

C$ 862

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 29/3

8:00 a.m.-8:15 a.m.

1 stop16h 15m

Dublin

Tue 7/4

9:50 a.m.-7:00 p.m.

2 stops41h 10m

C$ 863

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 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$ 646.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as C$ 917. 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$ 1,382. 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 evening. momondo users have found flights departing from Seattle to Dublin in the evening for as low as C$ 953. 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$ 1,072.

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$ 851 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$ 763 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 February 2026, prices for Seattle to Dublin flights are approximately 38% 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

Best price found

C$ 678

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Seattle in the past 72 hours is C$ 678. The best round-trip flight deal from Seattle to Dublin found on momondo in the last 72 hours is C$ 663.
The fastest flight from Seattle to Dublin takes 9h 05m
Direct flights go from Seattle to Dublin every day.
There is 1 airport in Dublin. From Seattle there are direct flights to 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
Aer LingusPriceFrom C$ 625Free CancellationRating
7.2
1,449 reviews
Search Aer Lingus flights

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Arklow
Bray
Swords
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 13/3
Fri 20/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland