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Cheap flights from Dublin to Seattle from €277

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 2/2. 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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Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
15:35 - 10:15
SEA
-
DUB
11h 40m1 stop
€369Icelandair
Mon, 2 Mar - Mon, 16 Mar
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m1 stop
Icelandair Logo
15:40 - 13:15
SEA
-
DUB
13h 35m1 stop
€370Icelandair
Thu, 9 Apr - Fri, 17 Apr
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
€371Icelandair
Mon, 16 Feb - Sun, 22 Feb
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
€372Icelandair
Tue, 3 Feb - Sun, 8 Feb
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m1 stop
€375Icelandair
Thu, 23 Apr - Thu, 14 May
Icelandair Logo
14:15 - 17:55
DUB
-
SEA
11h 40m1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m1 stop
€376Icelandair
Thu, 9 Apr - Thu, 16 Apr
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
€376Icelandair
Tue, 3 Feb - Tue, 10 Feb
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
€377Icelandair
Wed, 4 Feb - Tue, 10 Feb
British Airways Logo
20:40 - 11:30
DUB
-
SEA
22h 50m1 stop
British Airways Logo
19:50 - 15:05
SEA
-
DUB
12h 15m1 stop
€380British Airways
Mon, 23 Feb - Sun, 8 Mar
British Airways Logo
20:40 - 16:55
DUB
-
SEA
28h 15m1 stop
British Airways Logo
13:37 - 17:25
SEA
-
DUB
19h 48m2 stops
€382British Airways
Thu, 5 Feb - Thu, 19 Feb

Icelandair flights from Dublin to Seattle

Our best Icelandair deals on Dublin to Seattle flight tickets
Icelandair
2 Mar
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
16 Mar
SEA15:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
€369
Find similar
Icelandair
9 Apr
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
17 Apr
SEA15:40Seattle/Tacoma Intl
13h 35m
1 stop
DUB13:15Dublin
€370
Find similar
Icelandair
16 Feb
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
22 Feb
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
€371
Find similar

Delta flights from Dublin to Seattle

Our best Delta deals on Dublin to Seattle flight tickets
Delta
20 Feb
DUB05:55Dublin
13h 45m
1 stop
SEA11:40Seattle/Tacoma Intl
27 Feb
SEA08:05Seattle/Tacoma Intl
15h 40m
1 stop
DUB07:45Dublin
€438
Find similar
Delta
27 Feb
DUB05:55Dublin
13h 45m
1 stop
SEA11:40Seattle/Tacoma Intl
8 Mar
SEA12:04Seattle/Tacoma Intl
21h 16m
2 stops
DUB16:20Dublin
€439
Find similar
Delta
3 Mar
DUB05:55Dublin
13h 40m
1 stop
SEA11:35Seattle/Tacoma Intl
19 Mar
SEA11:45Seattle/Tacoma Intl
21h 00m
2 stops
DUB15:45Dublin
€440
Find similar

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 8 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

Mon 2/3

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Mon 16/3

15:35-10:15

1 stop11h 40m

€369

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 9/4

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Fri 17/4

15:40-13:15

1 stop13h 35m

€370

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 16/2

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 22/2

14:35-10:15

1 stop11h 40m

€371

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 3/2

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 8/2

14:35-10:15

1 stop11h 40m

€372

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 23/4

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Thu 14/5

15:40-11:05

1 stop11h 25m

€375

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 9/4

14:15-17:55

1 stop11h 40m

Seattle/Tacoma Intl

Thu 16/4

15:40-11:05

1 stop11h 25m

€376

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 3/2

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Tue 10/2

14:35-10:15

1 stop11h 40m

€376

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 4/2

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Tue 10/2

14:35-10:15

1 stop11h 40m

€377

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 23/2

20:40-11:30

1 stop22h 50m

Seattle/Tacoma Intl

Sun 8/3

19:50-15:05

1 stop12h 15m

€380

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 5/2

20:40-16:55

1 stop28h 15m

Seattle/Tacoma Intl

Thu 19/2

13:37-17:25

2 stops19h 48m

€382

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 January is your next best option. Flight prices from Dublin to Seattle during January average around €537.

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 €638. Flights from Dublin to Seattle on a Tuesday will generally be more expensive and average around €833. 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 €614 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 €572 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 39% 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 18% 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

€718

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 €718
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 €383Free CancellationRating
7.1
593 reviews
Search Icelandair flights
Aer LingusPriceFrom €475Free CancellationRating
7.2
1,429 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €502Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
American AirlinesPriceFrom €521Free CancellationRating
7.2
11,095 reviews
Search American Airlines 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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