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Cheap flights from Dublin to Seattle from €306

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 3/10. 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

Scandinavian Airlines Logo
12:40 - 14:00DUB-SEA
33h 20m1 stop
Scandinavian Airlines Logo
16:20 - 11:50SEA-DUB
35h 30m1 stop
€373Scandinavian Airlines
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Thu, 16 Oct - Sun, 19 Oct
Scandinavian Airlines Logo
19:05 - 14:00DUB-SEA
26h 55m1 stop
Scandinavian Airlines Logo
16:20 - 11:50SEA-DUB
35h 30m1 stop
€374Scandinavian Airlines
Find Deal
Thu, 16 Oct - Wed, 22 Oct
Scandinavian Airlines Logo
11:45 - 14:00DUB-SEA
34h 15m2 stops
Scandinavian Airlines Logo
16:20 - 10:55SEA-DUB
34h 35m2 stops
€398Scandinavian Airlines
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Thu, 16 Oct - Sun, 19 Oct
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
€414Icelandair
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Fri, 21 Nov - Fri, 28 Nov
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
€429Icelandair
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Sat, 31 Jan - Tue, 10 Feb
Lufthansa Logo
05:55 - 11:55DUB-SEA
14h 00m1 stop
Lufthansa Logo
08:00 - 10:20SEA-DUB
18h 20m1 stop
€443Lufthansa
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Mon, 6 Oct - Mon, 13 Oct
Lufthansa Logo
10:50 - 18:52DUB-SEA
39h 02m2 stops
Lufthansa Logo
15:10 - 17:10SEA-DUB
18h 00m1 stop
€457Lufthansa
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Aer Lingus Logo
16:30 - 19:20DUB-SEA
9h 50mdirect
Aer Lingus Logo
20:05 - 13:10SEA-DUB
9h 05mdirect
€464Aer Lingus
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Fri, 31 Oct - Fri, 7 Nov
British Airways Logo
20:40 - 11:30DUB-SEA
22h 50m1 stop
British Airways Logo
13:25 - 12:10SEA-DUB
14h 45m1 stop
€466British Airways
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Mon, 22 Dec - Tue, 30 Dec
British Airways Logo
10:55 - 16:55DUB-SEA
14h 00m1 stop
British Airways Logo
08:00 - 09:50SEA-DUB
17h 50m2 stops
€467British Airways
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Sat, 31 Jan - Sat, 7 Feb

Scandinavian Airlines flights from Dublin to Seattle

Our best Scandinavian Airlines deals on Dublin to Seattle flight tickets
Scandinavian Airlines
16 Oct
DUB12:40Dublin
33h 20m
1 stop
SEA14:00Seattle/Tacoma Intl
19 Oct
SEA16:20Seattle/Tacoma Intl
35h 30m
1 stop
DUB11:50Dublin
€373
Find similar
Scandinavian Airlines
16 Oct
DUB19:05Dublin
26h 55m
1 stop
SEA14:00Seattle/Tacoma Intl
22 Oct
SEA16:20Seattle/Tacoma Intl
35h 30m
1 stop
DUB11:50Dublin
€374
Find similar
Scandinavian Airlines
16 Oct
DUB11:45Dublin
34h 15m
2 stops
SEA14:00Seattle/Tacoma Intl
19 Oct
SEA16:20Seattle/Tacoma Intl
34h 35m
2 stops
DUB10:55Dublin
€398
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American Airlines flights from Dublin to Seattle

Our best American Airlines deals on Dublin to Seattle flight tickets
American Airlines
20 Nov
DUB13:10Dublin
30h 20m
1 stop
SEA11:30Seattle/Tacoma Intl
24 Nov
SEA18:50Seattle/Tacoma Intl
30h 45m
1 stop
DUB09:35Dublin
€466
Find similar
American Airlines
24 Oct
DUB08:35Dublin
35h 00m
1 stop
SEA11:35Seattle/Tacoma Intl
6 Nov
SEA11:42Seattle/Tacoma Intl
21h 43m
2 stops
DUB17:25Dublin
€469
Find similar
American Airlines
22 Nov
DUB10:55Dublin
20h 23m
2 stops
SEA23:18Seattle/Tacoma Intl
14 Dec
SEA11:22Seattle/Tacoma Intl
16h 53m
2 stops
DUB12:15Dublin
€471
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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 16 September 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 16/10

12:40-14:00

1 stop33h 20m

Seattle/Tacoma Intl

Sun 19/10

16:20-11:50

1 stop35h 30m

€373

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 16/10

19:05-14:00

1 stop26h 55m

Seattle/Tacoma Intl

Wed 22/10

16:20-11:50

1 stop35h 30m

€374

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 16/10

11:45-14:00

2 stops34h 15m

Seattle/Tacoma Intl

Sun 19/10

16:20-10:55

2 stops34h 35m

€398

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 21/11

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Fri 28/11

14:35-10:15

1 stop11h 40m

€414

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 31/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Tue 10/2

14:35-10:15

1 stop11h 40m

€429

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 6/10

05:55-11:55

1 stop14h 00m

Seattle/Tacoma Intl

Mon 13/10

08:00-10:20

1 stop18h 20m

€443

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 29/10

10:50-18:52

2 stops39h 02m

Seattle/Tacoma Intl

Wed 5/11

15:10-17:10

1 stop18h 00m

€457

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 31/10

16:30-19:20

Nonstop9h 50m

Seattle/Tacoma Intl

Fri 7/11

20:05-13:10

Nonstop9h 05m

€464

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 22/12

20:40-11:30

1 stop22h 50m

Seattle/Tacoma Intl

Tue 30/12

13:25-12:10

1 stop14h 45m

€466

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 31/1

10:55-16:55

1 stop14h 00m

Seattle/Tacoma Intl

Sat 7/2

08:00-09:50

2 stops17h 50m

€467

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 €541.

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 €635. Flights from Dublin to Seattle on a Monday will generally be more expensive and average around €795. 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 Dublin 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 €566. Flights in the afternoon are often more expensive, with an average ticket price of €710.

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 €620 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 €511 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?

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

How have Dublin to Seattle flight prices changed over time?

As of September 2025, prices for Dublin to Seattle flights are approximately 1% cheaper 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

€499

Fastest flight time

9h 40m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Dublin in the past 72 hours is €499. The best return flight deal from Dublin to Seattle found on momondo in the last 72 hours is €638.
The fastest flight from Dublin to Seattle takes 9h 40m
Direct flights go from Dublin to Seattle every day.
There is 1 airport near Seattle: 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 50m.

  • 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 €416Free CancellationRating
7.0
544 reviews
Search Icelandair flights
British AirwaysPriceFrom €510Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Aer LingusPriceFrom €547Free CancellationRating
7.2
1,270 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 €643. Generally, Aer Lingus has 7 flights on this route every week with an average price of €803. Aer Lingus is rated 7.2/10 by our users.

  • British Airways Flights From Dublin to Seattle

    British Airways is also a popular choice for this route. British Airways flight deals for Dublin to Seattle start from as low as €599 round-trip, depending on your selected dates, with average British Airways deals seen on momondo around €933. British Airways operates 7 flights to Seattle from Dublin in an average week. Users have rated it 6.6/10 across 7,361 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

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