Cheap flights from Dublin to Seattle from €222

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Seattle departing on 14/4. 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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Cheap return flights

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Multiple Airlines Logo
09:30 - 19:36
DUB
-
SEA
18h 06m
1 stop
Multiple Airlines Logo
13:35 - 19:25
SEA
-
DUB
21h 50m
1 stop
€345Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr
Finnair Logo
09:30 - 00:30
DUB
-
SEA
23h 00m
1 stop
Finnair Logo
13:46 - 11:50
SEA
-
DUB
14h 04m
1 stop
€347Finnair
Mon, 18 May - Thu, 28 May
Finnair Logo
09:30 - 19:36
DUB
-
SEA
18h 06m
1 stop
Finnair Logo
07:09 - 09:45
SEA
-
DUB
18h 36m
1 stop
€356Finnair
Thu, 9 Apr - Thu, 16 Apr
Scandinavian Airlines Logo
12:40 - 13:45
DUB
-
SEA
33h 05m
1 stop
Scandinavian Airlines Logo
15:55 - 18:20
SEA
-
DUB
18h 25m
1 stop
€389Scandinavian Airlines
Fri, 22 May - Sun, 31 May
Scandinavian Airlines Logo
19:50 - 13:45
DUB
-
SEA
25h 55m
2 stops
Scandinavian Airlines Logo
15:55 - 18:20
SEA
-
DUB
18h 25m
1 stop
€392Scandinavian Airlines
Fri, 22 May - Sun, 31 May
Scandinavian Airlines Logo
19:05 - 13:45
DUB
-
SEA
26h 40m
1 stop
Scandinavian Airlines Logo
15:55 - 18:20
SEA
-
DUB
18h 25m
1 stop
€401Scandinavian Airlines
Fri, 22 May - Sun, 31 May
Icelandair Logo
11:30 - 18:00
DUB
-
SEA
13h 30m
1 stop
Icelandair Logo
15:35 - 10:15
SEA
-
DUB
11h 40m
1 stop
€404Icelandair
Mon, 9 Mar - Wed, 25 Mar
Scandinavian Airlines Logo
19:50 - 13:45
DUB
-
SEA
25h 55m
2 stops
Scandinavian Airlines Logo
15:55 - 18:20
SEA
-
DUB
18h 25m
1 stop
€412Scandinavian Airlines
Fri, 22 May - Sun, 31 May
Scandinavian Airlines Logo
11:10 - 13:45
DUB
-
SEA
34h 35m
2 stops
Scandinavian Airlines Logo
15:55 - 10:10
SEA
-
DUB
34h 15m
2 stops
€417Scandinavian Airlines
Fri, 22 May - Sun, 31 May
Icelandair Logo
14:15 - 17:55
DUB
-
SEA
11h 40m
1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
€424Icelandair
Tue, 7 Apr - Tue, 14 Apr

Icelandair flights from Dublin to Seattle

Our best Icelandair deals on Dublin to Seattle flight tickets
Icelandair
9 Mar
DUB11:30Dublin
13h 30m
1 stop
SEA18:00Seattle/Tacoma Intl
25 Mar
SEA15:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
€404
Icelandair
7 Apr
DUB14:15Dublin
11h 40m
1 stop
SEA17:55Seattle/Tacoma Intl
14 Apr
SEA15:40Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05Dublin
€424
Icelandair
7 Apr
DUB14:15Dublin
11h 40m
1 stop
SEA17:55Seattle/Tacoma Intl
14 Apr
SEA15:40Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05Dublin
€426

Delta flights from Dublin to Seattle

Our best Delta deals on Dublin to Seattle flight tickets
Delta
26 Feb
DUB05:55Dublin
13h 45m
1 stop
SEA11:40Seattle/Tacoma Intl
5 Mar
SEA11:35Seattle/Tacoma Intl
20h 10m
2 stops
DUB15:45Dublin
€446
Delta
26 Feb
DUB08:50Dublin
21h 32m
2 stops
SEA22:22Seattle/Tacoma Intl
5 Mar
SEA11:35Seattle/Tacoma Intl
20h 10m
2 stops
DUB15:45Dublin
€452
Delta
8 Mar
DUB05:55Dublin
13h 40m
1 stop
SEA11:35Seattle/Tacoma Intl
23 Mar
SEA11:25Seattle/Tacoma Intl
21h 55m
2 stops
DUB16:20Dublin
€455

momondo Fare Finder

 
Customise your flight search to find flights from Dublin 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 23 February 2026.
Use the filters below to find and compare flights from Dublin to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 17/4

09:30-19:36

1 stop18h 06m

Seattle/Tacoma Intl

Fri 24/4

13:35-19:25

1 stop21h 50m

€345

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 18/5

09:30-00:30

1 stop23h 00m

Seattle/Tacoma Intl

Thu 28/5

13:46-11:50

1 stop14h 04m

€347

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 9/4

09:30-19:36

1 stop18h 06m

Seattle/Tacoma Intl

Thu 16/4

07:09-09:45

1 stop18h 36m

€356

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

12:40-13:45

1 stop33h 05m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:20

1 stop18h 25m

€389

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

19:50-13:45

2 stops25h 55m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:20

1 stop18h 25m

€392

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

19:05-13:45

1 stop26h 40m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:20

1 stop18h 25m

€401

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 9/3

11:30-18:00

1 stop13h 30m

Seattle/Tacoma Intl

Wed 25/3

15:35-10:15

1 stop11h 40m

€404

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

19:50-13:45

2 stops25h 55m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:20

1 stop18h 25m

€412

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

11:10-13:45

2 stops34h 35m

Seattle/Tacoma Intl

Sun 31/5

15:55-10:10

2 stops34h 15m

€417

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 7/4

14:15-17:55

1 stop11h 40m

Seattle/Tacoma Intl

Tue 14/4

15:40-11:05

1 stop11h 25m

€424

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

What is the cheapest month to fly to Seattle?

If you’re not able to fly to Seattle in November, then September is your next best option. Flight prices from Dublin to Seattle during September average around €558.

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 €636. Flights from Dublin to Seattle on a Tuesday will generally be more expensive and average around €822. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Fly from Dublin to Seattle/Tacoma Intl for the best Dublin - 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 Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around €623 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 Dublin for as low as €529 on momondo.

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

There is only 1 cabin class available to choose from on Dublin 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 Dublin to Seattle flights?

You could potentially save up to 5% on your flight if you consider stops on a Dublin to Seattle flight.

How have Dublin to Seattle flight prices changed over time?

As of February 2026, prices for Dublin to Seattle flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Seattle (DUB to SEA) flight deals and tips

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

Best price found

€690

Fastest flight time

9h 45m

Direct flights

Every day

Airports in Seattle

1 airport
The best flight deal from Dublin to Seattle found on momondo in the last 72 hours is €690
The fastest flight from Dublin to Seattle takes 9h 45m
Direct flights go from Dublin to Seattle every day.
There is 1 airport in Seattle. From Dublin there are direct flights to Seattle/Tacoma Intl (SEA).
  • How far is Dublin to Seattle/Tacoma Intl by plane?

    There are 7271.7 km between Dublin and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 9h 45m.

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

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

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

  • How old do you have to be to fly from Dublin Airport to Seattle/Tacoma Intl 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 stopovers 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 Dublin Airport 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 Dublin to Seattle?

  • What is the most popular airline from Dublin to Seattle?

Best airlines flying from Dublin to Seattle

Compare and see reviews for airlines that fly from Dublin to Seattle with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom €379Free CancellationRating
7.1
617 reviews
Search Icelandair flights
Aer LingusPriceFrom €466Free CancellationRating
7.2
1,462 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From Dublin to Seattle

    The lowest priced Aer Lingus flight from Dublin to Seattle from the last 72 hours was €466. Generally, Aer Lingus has 4 flights on this route every week with an average price of €682. Aer Lingus is rated 7.2/10 by our users.

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 Dublin to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Seattle for you.

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

Flights from Dublin to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Dublin.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Dublin and alert you when they change.

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1 adult
Wed 25/3
Wed 1/4

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