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Cheap flights from Dublin to Seattle from €252

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 1/5. 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

Enter your travel dates to find the best prices.
British Airways Logo
20:40 - 11:30
DUB
-
SEA
22h 50m1 stop
British Airways Logo
18:50 - 19:50
SEA
-
DUB
17h 00m1 stop
€360British Airways
Thu, 12 Feb - Thu, 19 Feb
British Airways Logo
20:40 - 11:30
DUB
-
SEA
22h 50m1 stop
British Airways Logo
19:50 - 16:50
SEA
-
DUB
14h 00m1 stop
€377British Airways
Mon, 23 Feb - Sun, 8 Mar
British Airways Logo
20:40 - 11:30
DUB
-
SEA
22h 50m1 stop
British Airways Logo
18:50 - 19:50
SEA
-
DUB
17h 00m1 stop
€377British Airways
Thu, 12 Feb - Thu, 19 Feb
British Airways Logo
20:35 - 16:55
DUB
-
SEA
28h 20m1 stop
British Airways Logo
13:37 - 19:50
SEA
-
DUB
22h 13m2 stops
€380British Airways
Fri, 30 Jan - Thu, 19 Feb
British Airways Logo
20:40 - 16:55
DUB
-
SEA
28h 15m1 stop
British Airways Logo
13:37 - 19:50
SEA
-
DUB
22h 13m2 stops
€381British Airways
Thu, 5 Feb - Thu, 19 Feb
British Airways Logo
20:40 - 22:20
DUB
-
SEA
33h 40m2 stops
British Airways Logo
13:37 - 16:50
SEA
-
DUB
19h 13m2 stops
€385British Airways
Sat, 31 Jan - Sun, 15 Feb
British Airways Logo
08:50 - 22:07
DUB
-
SEA
21h 17m2 stops
British Airways Logo
13:37 - 16:50
SEA
-
DUB
19h 13m2 stops
€388British Airways
Tue, 3 Feb - Sun, 15 Feb
British Airways Logo
10:30 - 23:51
DUB
-
SEA
21h 21m2 stops
British Airways Logo
13:37 - 17:00
SEA
-
DUB
19h 23m2 stops
€390British Airways
Thu, 5 Feb - Tue, 17 Feb
British Airways Logo
10:30 - 16:55
DUB
-
SEA
14h 25m1 stop
British Airways Logo
18:50 - 07:55
SEA
-
DUB
29h 05m1 stop
€400British Airways
Thu, 12 Feb - Sun, 15 Feb
British Airways Logo
08:50 - 16:55
DUB
-
SEA
16h 05m1 stop
British Airways Logo
18:50 - 20:45
SEA
-
DUB
17h 55m1 stop
€402British Airways
Wed, 11 Feb - Sun, 15 Feb

British Airways flights from Dublin to Seattle

Our best British Airways deals on Dublin to Seattle flight tickets
British Airways
12 Feb
DUB20:40Dublin
22h 50m
1 stop
SEA11:30Seattle/Tacoma Intl
19 Feb
SEA18:50Seattle/Tacoma Intl
17h 00m
1 stop
DUB19:50Dublin
€360
Find similar
British Airways
23 Feb
DUB20:40Dublin
22h 50m
1 stop
SEA11:30Seattle/Tacoma Intl
8 Mar
SEA19:50Seattle/Tacoma Intl
12h 15m
1 stop
DUB15:05Dublin
€377
Find similar
British Airways
12 Feb
DUB20:40Dublin
22h 50m
1 stop
SEA11:30Seattle/Tacoma Intl
19 Feb
SEA18:50Seattle/Tacoma Intl
17h 00m
1 stop
DUB19:50Dublin
€377
Find similar

Delta flights from Dublin to Seattle

Our best Delta deals on Dublin to Seattle flight tickets
Delta
23 Feb
DUB05:55Dublin
13h 45m
1 stop
SEA11:40Seattle/Tacoma Intl
8 Mar
SEA09:00Seattle/Tacoma Intl
20h 40m
2 stops
DUB12:40Dublin
€438
Find similar
Delta
23 Feb
DUB05:55Dublin
22h 51m
2 stops
SEA20:46Seattle/Tacoma Intl
9 Mar
SEA11:25Seattle/Tacoma Intl
21h 20m
2 stops
DUB15:45Dublin
€440
Find similar
Delta
23 Feb
DUB05:55Dublin
19h 05m
2 stops
SEA17:00Seattle/Tacoma Intl
8 Mar
SEA09:00Seattle/Tacoma Intl
20h 40m
2 stops
DUB12:40Dublin
€443
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 31 December 2025.
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

Thu 12/2

20:40-11:30

1 stop22h 50m

Seattle/Tacoma Intl

Thu 19/2

18:50-19:50

1 stop17h 00m

€360

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 23/2

20:40-11:30

1 stop22h 50m

Seattle/Tacoma Intl

Sun 8/3

19:50-16:50

1 stop14h 00m

€377

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 12/2

20:40-11:30

1 stop22h 50m

Seattle/Tacoma Intl

Thu 19/2

18:50-19:50

1 stop17h 00m

€377

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 30/1

20:35-16:55

1 stop28h 20m

Seattle/Tacoma Intl

Thu 19/2

13:37-19:50

2 stops22h 13m

€380

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 5/2

20:40-16:55

1 stop28h 15m

Seattle/Tacoma Intl

Thu 19/2

13:37-19:50

2 stops22h 13m

€381

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 31/1

20:40-22:20

2 stops33h 40m

Seattle/Tacoma Intl

Sun 15/2

13:37-16:50

2 stops19h 13m

€385

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 3/2

08:50-22:07

2 stops21h 17m

Seattle/Tacoma Intl

Sun 15/2

13:37-16:50

2 stops19h 13m

€388

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 5/2

10:30-23:51

2 stops21h 21m

Seattle/Tacoma Intl

Tue 17/2

13:37-17:00

2 stops19h 23m

€390

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 12/2

10:30-16:55

1 stop14h 25m

Seattle/Tacoma Intl

Sun 15/2

18:50-07:55

1 stop29h 05m

€400

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 11/2

08:50-16:55

1 stop16h 05m

Seattle/Tacoma Intl

Sun 15/2

18:50-20:45

1 stop17h 55m

€402

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 €538.

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 €634. Flights from Dublin to Seattle on a Tuesday will generally be more expensive and average around €828. 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 €606 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 €554 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 December 2025, prices for Dublin to Seattle flights are approximately 0% 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

€756

Fastest flight time

9h 39m

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 €756
The fastest flight from Dublin to Seattle takes 9h 39m
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 39m.

  • 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 €380Free CancellationRating
7.1
593 reviews
Search Icelandair flights
Aer LingusPriceFrom €472Free CancellationRating
7.2
1,416 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €498Free CancellationRating
6.7
7,626 reviews
Search British Airways flights
American AirlinesPriceFrom €518Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights

  • Aer Lingus Flights From Dublin to Seattle

    The lowest priced Aer Lingus flight from Dublin to Seattle from the last 72 hours was €472. 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.

  • American Airlines Flights From Dublin to Seattle

    American Airlines is also a popular choice for this route. American Airlines flight deals for Dublin to Seattle start from as low as €518 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around €672. American Airlines operates 4 flights to Seattle from Dublin in an average week. Users have rated it 7.2/10 across 11,075 reviews.

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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