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Cheap flights from Dublin to Seattle from €232

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 26/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

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Icelandair Logo
11:30 - 18:00
DUB
-
SEA
13h 30m
1 stop
Icelandair Logo
15:40 - 13:15
SEA
-
DUB
13h 35m
1 stop
€368Icelandair
Tue, 17 Mar - Sun, 29 Mar
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
€371Icelandair
Thu, 9 Apr - Thu, 16 Apr
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m
1 stop
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m
1 stop
€379Icelandair
Thu, 19 Feb - Mon, 23 Feb
Multiple Airlines Logo
09:30 - 22:26
DUB
-
SEA
20h 56m
1 stop
Multiple Airlines Logo
20:20 - 18:40
SEA
-
DUB
14h 20m
1 stop
€389Multiple Airlines
Fri, 15 May - Mon, 8 Jun
Finnair Logo
09:30 - 23:39
DUB
-
SEA
22h 09m
1 stop
Finnair Logo
13:18 - 11:50
SEA
-
DUB
14h 32m
1 stop
€394Finnair
Mon, 18 May - Mon, 25 May
Multiple Airlines Logo
18:45 - 11:35
DUB
-
SEA
24h 50m
1 stop
Multiple Airlines Logo
13:29 - 11:50
SEA
-
DUB
14h 21m
1 stop
€398Multiple Airlines
Sat, 25 Apr - Wed, 13 May
Aer Lingus Logo
16:30 - 18:20
DUB
-
SEA
9h 50mdirect
Aer Lingus Logo
21:05 - 13:10
SEA
-
DUB
9h 05mdirect
€423Aer Lingus
Fri, 6 Mar - Sun, 15 Mar
Multiple Airlines Logo
11:30 - 21:57
DUB
-
SEA
18h 27m
1 stop
Multiple Airlines Logo
07:15 - 08:40
SEA
-
DUB
17h 25m
2 stops
€424Multiple Airlines
Sat, 14 Feb - Wed, 18 Feb
Multiple Airlines Logo
11:30 - 21:57
DUB
-
SEA
18h 27m
1 stop
Multiple Airlines Logo
19:50 - 07:55
SEA
-
DUB
29h 05m
1 stop
€425Multiple Airlines
Mon, 23 Feb - Mon, 9 Mar
Multiple Airlines Logo
11:30 - 21:57
DUB
-
SEA
18h 27m
1 stop
Multiple Airlines Logo
19:50 - 07:55
SEA
-
DUB
29h 05m
1 stop
€425Multiple Airlines
Mon, 23 Feb - Sun, 8 Mar

Icelandair flights from Dublin to Seattle

Our best Icelandair deals on Dublin to Seattle flight tickets
Icelandair
17 Mar
DUB11:30Dublin
13h 30m
1 stop
SEA18:00Seattle/Tacoma Intl
29 Mar
SEA15:40Seattle/Tacoma Intl
13h 35m
1 stop
DUB13:15Dublin
€368
Icelandair
9 Apr
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
16 Apr
SEA15:40Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05Dublin
€371
Icelandair
19 Feb
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
23 Feb
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
€379

British Airways flights from Dublin to Seattle

Our best British Airways deals on Dublin to Seattle flight tickets
British Airways
13 Feb
DUB11:30Dublin
18h 27m
1 stop
SEA21:57Seattle/Tacoma Intl
23 Feb
SEA22:57Seattle/Tacoma Intl
25h 43m
1 stop
DUB08:40Dublin
€453
British Airways
14 Feb
DUB11:30Dublin
18h 27m
1 stop
SEA21:57Seattle/Tacoma Intl
11 Apr
SEA22:47Seattle/Tacoma Intl
23h 43m
1 stop
DUB06:30Dublin
€466
British Airways
14 Feb
DUB11:30Dublin
17h 38m
2 stops
SEA21:08Seattle/Tacoma Intl
11 Apr
SEA22:47Seattle/Tacoma Intl
23h 43m
1 stop
DUB06:30Dublin
€470

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 30 January 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

Tue 17/3

11:30-18:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 29/3

15:40-13:15

1 stop13h 35m

€368

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 9/4

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Thu 16/4

15:40-11:05

1 stop11h 25m

€371

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 19/2

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Mon 23/2

14:35-10:15

1 stop11h 40m

€379

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 15/5

09:30-22:26

1 stop20h 56m

Seattle/Tacoma Intl

Mon 8/6

20:20-18:40

1 stop14h 20m

€389

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 18/5

09:30-23:39

1 stop22h 09m

Seattle/Tacoma Intl

Mon 25/5

13:18-11:50

1 stop14h 32m

€394

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 25/4

18:45-11:35

1 stop24h 50m

Seattle/Tacoma Intl

Wed 13/5

13:29-11:50

1 stop14h 21m

€398

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 6/3

16:30-18:20

Nonstop9h 50m

Seattle/Tacoma Intl

Sun 15/3

21:05-13:10

Nonstop9h 05m

€423

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 14/2

11:30-21:57

1 stop18h 27m

Seattle/Tacoma Intl

Wed 18/2

07:15-08:40

2 stops17h 25m

€424

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 23/2

11:30-21:57

1 stop18h 27m

Seattle/Tacoma Intl

Mon 9/3

19:50-07:55

1 stop29h 05m

€425

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 23/2

11:30-21:57

1 stop18h 27m

Seattle/Tacoma Intl

Sun 8/3

19:50-07:55

1 stop29h 05m

€425

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 cheapest month to fly to Seattle?

If you’re not able to fly to Seattle in February, then November is your next best option. Flight prices from Dublin to Seattle during November average around €529.

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 €623. Flights from Dublin to Seattle on a Tuesday will generally be more expensive and average around €810. 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 €603 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 €573 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 January 2026, prices for Dublin to Seattle flights are approximately 17% 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

€464

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 €464
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).
Search flight deals

  • 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 €374Free CancellationRating
7.1
606 reviews
Search Icelandair flights
British AirwaysPriceFrom €396Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
Aer LingusPriceFrom €461Free CancellationRating
7.2
1,443 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 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.

An easier way to manage your Seattle trip

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