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Cheap flights from Dublin to Seattle from €264

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 8/10. 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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Find the cheapest flights from Dublin to Seattle (DUB-SEA)

Cheap return flights

Icelandair Logo
14:15 - 17:50DUB-SEA
11h 35m1 stop
Icelandair Logo
15:45 - 11:05SEA-DUB
11h 20m1 stop
€378Icelandair
Find Deal
Thu, 28 Aug - Sat, 13 Sep
Icelandair Logo
14:15 - 17:50DUB-SEA
11h 35m1 stop
Icelandair Logo
23:30 - 11:05SEA-DUB
27h 35m1 stop
€385Icelandair
Find Deal
Sat, 30 Aug - Wed, 3 Sep
Scandinavian Airlines Logo
19:05 - 13:50DUB-SEA
26h 45m1 stop
Scandinavian Airlines Logo
16:20 - 18:15SEA-DUB
17h 55m1 stop
€386Scandinavian Airlines
Find Deal
Fri, 5 Sep - Sun, 21 Sep
Icelandair Logo
14:15 - 20:40DUB-SEA
14h 25m1 stop
Icelandair Logo
15:45 - 13:15SEA-DUB
13h 30m1 stop
€406Icelandair
Find Deal
Tue, 2 Sep - Mon, 22 Sep
Scandinavian Airlines Logo
19:05 - 13:50DUB-SEA
26h 45m1 stop
Scandinavian Airlines Logo
16:20 - 18:15SEA-DUB
17h 55m1 stop
€412Scandinavian Airlines
Find Deal
Thu, 4 Sep - Sun, 21 Sep
Aer Lingus Logo
16:10 - 17:50DUB-SEA
9h 40mdirect
Aer Lingus Logo
19:35 - 12:40SEA-DUB
9h 05mdirect
€457Aer Lingus
Find Deal
Thu, 4 Sep - Thu, 18 Sep
WestJet Logo
09:45 - 19:21DUB-SEA
41h 36m2 stops
WestJet Logo
14:05 - 10:50SEA-DUB
12h 45m1 stop
€483WestJet
Find Deal
Mon, 15 Sep - Tue, 14 Oct
WestJet Logo
09:45 - 19:21DUB-SEA
41h 36m2 stops
WestJet Logo
07:05 - 10:50SEA-DUB
19h 45m1 stop
€483WestJet
Find Deal
Mon, 15 Sep - Sat, 18 Oct
Logo
12:50 - 20:29DUB-SEA
15h 39m1 stop
Logo
12:37 - 10:50SEA-DUB
14h 13m2 stops
€537
Find Deal
Wed, 17 Sep - Tue, 14 Oct
Logo
12:50 - 20:29DUB-SEA
15h 39m1 stop
Logo
08:40 - 11:30SEA-DUB
18h 50m2 stops
€548
Find Deal
Wed, 17 Sep - Fri, 17 Oct

Icelandair flights from Dublin to Seattle

Our best Icelandair deals on Dublin to Seattle flight tickets
Icelandair
28 Aug
DUB14:15Dublin
11h 35m
1 stop
SEA17:50Seattle/Tacoma Intl
13 Sept
SEA15:45Seattle/Tacoma Intl
11h 20m
1 stop
DUB11:05Dublin
€378
Find similar
Icelandair
30 Aug
DUB14:15Dublin
11h 35m
1 stop
SEA17:50Seattle/Tacoma Intl
3 Sept
SEA23:30Seattle/Tacoma Intl
27h 35m
1 stop
DUB11:05Dublin
€385
Find similar
Icelandair
2 Sept
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
22 Sept
SEA15:45Seattle/Tacoma Intl
13h 30m
1 stop
DUB13:15Dublin
€406
Find similar

Scandinavian Airlines flights from Dublin to Seattle

Our best Scandinavian Airlines deals on Dublin to Seattle flight tickets
Scandinavian Airlines
5 Sept
DUB19:05Dublin
26h 45m
1 stop
SEA13:50Seattle/Tacoma Intl
21 Sept
SEA16:20Seattle/Tacoma Intl
17h 55m
1 stop
DUB18:15Dublin
€386
Find similar
Scandinavian Airlines
4 Sept
DUB19:05Dublin
26h 45m
1 stop
SEA13:50Seattle/Tacoma Intl
21 Sept
SEA16:20Seattle/Tacoma Intl
17h 55m
1 stop
DUB18:15Dublin
€412
Find similar
Scandinavian Airlines
5 Sept
DUB11:45Dublin
34h 05m
2 stops
SEA13:50Seattle/Tacoma Intl
21 Sept
SEA16:20Seattle/Tacoma Intl
35h 30m
1 stop
DUB11:50Dublin
€420
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 15 August 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 28/8

14:15-17:50

1 stop11h 35m

Seattle/Tacoma Intl

Sat 13/9

15:45-11:05

1 stop11h 20m

€378

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 30/8

14:15-17:50

1 stop11h 35m

Seattle/Tacoma Intl

Wed 3/9

23:30-11:05

1 stop27h 35m

€385

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 5/9

19:05-13:50

1 stop26h 45m

Seattle/Tacoma Intl

Sun 21/9

16:20-18:15

1 stop17h 55m

€386

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/9

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Mon 22/9

15:45-13:15

1 stop13h 30m

€406

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 4/9

19:05-13:50

1 stop26h 45m

Seattle/Tacoma Intl

Sun 21/9

16:20-18:15

1 stop17h 55m

€412

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 4/9

16:10-17:50

Nonstop9h 40m

Seattle/Tacoma Intl

Thu 18/9

19:35-12:40

Nonstop9h 05m

€457

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 15/9

09:45-19:21

2 stops41h 36m

Seattle/Tacoma Intl

Tue 14/10

14:05-10:50

1 stop12h 45m

€483

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 15/9

09:45-19:21

2 stops41h 36m

Seattle/Tacoma Intl

Sat 18/10

07:05-10:50

1 stop19h 45m

€483

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 17/9

12:50-20:29

1 stop15h 39m

Seattle/Tacoma Intl

Tue 14/10

12:37-10:50

2 stops14h 13m

€537

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 17/9

12:50-20:29

1 stop15h 39m

Seattle/Tacoma Intl

Fri 17/10

08:40-11:30

2 stops18h 50m

€548

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 February, then January is your next best option. Flight prices from Dublin to Seattle during January average around €542.

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 Monday will generally be more expensive and average around €799. 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 €569. Flights in the afternoon are often more expensive, with an average ticket price of €729.

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 €625 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 €513 on momondo.

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

There are 1 cabin classes 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 August 2025, prices for Dublin to Seattle flights are approximately 14% 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

€264

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 €264. The best return flight deal from Dublin to Seattle found on momondo in the last 72 hours is €378.
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 40m.

  • 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 €418Free CancellationRating
7.0
527 reviews
Search Icelandair flights
British AirwaysPriceFrom €523Free CancellationRating
6.6
7,267 reviews
Search British Airways flights
Aer LingusPriceFrom €550Free CancellationRating
7.1
1,215 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 7.1/10 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 €611 round-trip, depending on your selected dates, with average British Airways deals seen on momondo around €934. British Airways operates 7 flights to Seattle from Dublin in an average week. Users have rated it 6.6/10 across 7,267 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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