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Cheap flights from Ireland to Seattle from €224

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Seattle departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Seattle

Recent return flight deals from Ireland to Seattle

Scandinavian Airlines Logo
19:05 - 14:00DUB-SEA
26h 55m1 stop
Scandinavian Airlines Logo
16:20 - 11:50SEA-DUB
35h 30m1 stop
€376Scandinavian Airlines
Find Deal
Thu, 25 Sep - Sun, 5 Oct
Scandinavian Airlines Logo
19:05 - 14:00DUB-SEA
26h 55m1 stop
Scandinavian Airlines Logo
16:20 - 11:50SEA-DUB
35h 30m1 stop
€382Scandinavian Airlines
Find Deal
Thu, 25 Sep - Sun, 5 Oct
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
€431Icelandair
Find Deal
Wed, 26 Nov - Sun, 30 Nov
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
€431Icelandair
Find Deal
Wed, 26 Nov - Sun, 30 Nov
Lufthansa Logo
05:55 - 11:55DUB-SEA
14h 00m1 stop
Lufthansa Logo
13:12 - 10:20SEA-DUB
13h 08m1 stop
€443Lufthansa
Find Deal
Thu, 16 Oct - Thu, 23 Oct
British Airways Logo
15:10 - 16:55DUB-SEA
33h 45m1 stop
British Airways Logo
18:50 - 09:50SEA-DUB
31h 00m1 stop
€457British Airways
Find Deal
Wed, 12 Nov - Fri, 28 Nov
British Airways Logo
16:00 - 12:30DUB-SEA
27h 30m1 stop
British Airways Logo
18:50 - 09:50SEA-DUB
31h 00m1 stop
€458British Airways
Find Deal
Mon, 27 Oct - Sun, 9 Nov
Lufthansa Logo
05:55 - 11:55DUB-SEA
14h 00m1 stop
Lufthansa Logo
14:20 - 11:30SEA-DUB
13h 10m1 stop
€465Lufthansa
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Aer Lingus Logo
16:30 - 19:20DUB-SEA
9h 50mdirect
Aer Lingus Logo
20:05 - 13:10SEA-DUB
9h 05mdirect
€466Aer Lingus
Find Deal
Sun, 26 Oct - Sun, 9 Nov
Aer Lingus Logo
16:10 - 17:50DUB-SEA
9h 40mdirect
Aer Lingus Logo
19:35 - 12:35SEA-DUB
9h 00mdirect
€494Aer Lingus
Find Deal
Thu, 25 Sep - Sun, 5 Oct

Scandinavian Airlines flights from Ireland to Seattle

Our best Scandinavian Airlines deals on Ireland to Seattle flight tickets
Scandinavian Airlines
25 Sept
DUB19:05Dublin
26h 55m
1 stop
SEA14:00Seattle/Tacoma Intl
5 Oct
SEA16:20Seattle/Tacoma Intl
35h 30m
1 stop
DUB11:50Dublin
€376
Find similar
Scandinavian Airlines
25 Sept
DUB19:05Dublin
26h 55m
1 stop
SEA14:00Seattle/Tacoma Intl
5 Oct
SEA16:20Seattle/Tacoma Intl
35h 30m
1 stop
DUB11:50Dublin
€382
Find similar
Scandinavian Airlines
9 Oct
DUB19:05Dublin
26h 55m
1 stop
SEA14:00Seattle/Tacoma Intl
12 Oct
SEA16:20Seattle/Tacoma Intl
35h 30m
1 stop
DUB11:50Dublin
€386
Find similar

Icelandair flights from Ireland to Seattle

Our best Icelandair deals on Ireland to Seattle flight tickets
Icelandair
26 Nov
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
30 Nov
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
€431
Find similar
Icelandair
26 Nov
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
30 Nov
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
€431
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Seattle 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 13,528 searches. Data last updated 3 September 2025.
Use the filters below to find and compare flights from Ireland to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 25/9

19:05-14:00

1 stop26h 55m

Seattle/Tacoma Intl

Sun 5/10

16:20-11:50

1 stop35h 30m

€376

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 25/9

19:05-14:00

1 stop26h 55m

Seattle/Tacoma Intl

Sun 5/10

16:20-11:50

1 stop35h 30m

€382

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 26/11

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 30/11

14:35-10:15

1 stop11h 40m

€431

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 26/11

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 30/11

14:35-10:15

1 stop11h 40m

€431

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 16/10

05:55-11:55

1 stop14h 00m

Seattle/Tacoma Intl

Thu 23/10

13:12-10:20

1 stop13h 08m

€443

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 12/11

15:10-16:55

1 stop33h 45m

Seattle/Tacoma Intl

Fri 28/11

18:50-09:50

1 stop31h 00m

€457

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 27/10

16:00-12:30

1 stop27h 30m

Seattle/Tacoma Intl

Sun 9/11

18:50-09:50

1 stop31h 00m

€458

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 15/10

05:55-11:55

1 stop14h 00m

Seattle/Tacoma Intl

Wed 22/10

14:20-11:30

1 stop13h 10m

€465

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 26/10

16:30-19:20

Nonstop9h 50m

Seattle/Tacoma Intl

Sun 9/11

20:05-13:10

Nonstop9h 05m

€466

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 25/9

16:10-17:50

Nonstop9h 40m

Seattle/Tacoma Intl

Sun 5/10

19:35-12:35

Nonstop9h 00m

€494

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Ireland to Seattle

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 Seattle?

If you’re not able to fly to Seattle in February, then January is your next best option. Flight prices from Ireland to Seattle during January average around €543.

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

Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as €640. Flights from Ireland to Seattle on a Monday will generally be more expensive and average around €801. 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 Seattle?

Our data shows that the cheapest Ireland to Seattle flights are usually those with departure times in the morning. Our users have found flights to Seattle in the morning for as low as €570. Flights in the afternoon are often more expensive, with an average ticket price of €720.

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

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

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

You are more likely to see cheaper flights to Seattle from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around €624 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Ireland for as low as €515 on momondo.

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

There is only 1 cabin class available to choose from on Ireland to Seattle/Tacoma Intl 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 Ireland to Seattle flights?

No. A direct flight is the cheapest option for a flight between Ireland to Seattle.

Cheap Ireland to Seattle flight deals and tips

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

Fastest flight time

9h 40m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Ireland to Seattle takes 9h 40m
Direct flights go from Ireland to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

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

    Prices for flights from Ireland to Seattle/Tacoma Intl Airport were last updated today.

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

  • How old do you have to be to fly from Ireland to Seattle/Tacoma Intl 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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl 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 licence 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 Ireland to Seattle?

Best airlines flying from Ireland to Seattle

Compare and see reviews for airlines that fly from Ireland to Seattle with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom €393Free CancellationRating
7.0
544 reviews
Search Icelandair flights
British AirwaysPriceFrom €524Free CancellationRating
6.7
7,344 reviews
Search British Airways flights
Aer LingusPriceFrom €552Free CancellationRating
7.2
1,250 reviews
Search Aer Lingus flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Aberdeen
Lynnwood

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Seattle. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Seattle from Ireland which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Ireland to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Seattle from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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