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Cheap flights from Dublin to Seattle from $272

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 4/29. 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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Find the cheapest flights from Dublin to Seattle

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Dublin to Seattle.
7:05 pm - 1:50 pmDUB-SEA
26h 45m1 stop
4:00 pm - 11:50 amSEA-DUB
35h 50m1 stop
$375Scandinavian Airlines
Find Deal
Thu, May 22 - Sat, May 31
7:05 pm - 1:50 pmDUB-SEA
26h 45m1 stop
4:00 pm - 4:10 pmSEA-DUB
16h 10m1 stop
$376Scandinavian Airlines
Find Deal
Thu, May 22 - Sat, May 31
12:15 pm - 8:40 pmDUB-SEA
16h 25m1 stop
3:45 pm - 1:15 pmSEA-DUB
13h 30m1 stop
$560Icelandair
Find Deal
Sun, May 11 - Sun, May 18
12:15 pm - 8:40 pmDUB-SEA
16h 25m1 stop
3:45 pm - 1:15 pmSEA-DUB
13h 30m1 stop
$575Icelandair
Find Deal
Sun, May 11 - Sun, May 18
11:30 am - 2:09 pmDUB-SEA
34h 39m2 stops
7:00 pm - 8:55 pmSEA-DUB
17h 55m2 stops
Sun, May 4 - Mon, May 19
6:50 am - 8:40 pmDUB-SEA
21h 50m2 stops
3:45 pm - 10:55 pmSEA-DUB
23h 10m2 stops
Wed, Apr 23 - Wed, Apr 30
6:30 am - 11:35 amDUB-SEA
13h 05m1 stop
6:45 pm - 11:45 amSEA-DUB
9h 00mnonstop
$710Aer Lingus
Find Deal
Wed, Apr 23 - Wed, Apr 30
3:20 pm - 4:59 pmDUB-SEA
9h 39mnonstop
6:45 pm - 11:45 amSEA-DUB
9h 00mnonstop
$711Aer Lingus
Find Deal
Tue, May 20 - Fri, May 30
3:20 pm - 4:59 pmDUB-SEA
9h 39mnonstop
1:30 pm - 9:50 amSEA-DUB
12h 20m1 stop
$810American Airlines
Find Deal
Mon, May 19 - Tue, Jun 3
3:20 pm - 4:59 pmDUB-SEA
9h 39mnonstop
8:20 pm - 5:15 pmSEA-DUB
12h 55m1 stop
$811American Airlines
Find Deal
Fri, May 16 - Thu, May 29

Scandinavian Airlines flights from Dublin to Seattle

Our best Scandinavian Airlines deals on Dublin to Seattle flight tickets
Scandinavian Airlines
May 22
DUB7:05 pmDublin
26h 45m
1 stop
SEA1:50 pmSeattle/Tacoma Intl
May 31
SEA4:00 pmSeattle/Tacoma Intl
35h 50m
1 stop
DUB11:50 amDublin
Scandinavian Airlines
May 22
DUB7:05 pmDublin
26h 45m
1 stop
SEA1:50 pmSeattle/Tacoma Intl
May 31
SEA4:00 pmSeattle/Tacoma Intl
16h 10m
1 stop
DUB4:10 pmDublin
Scandinavian Airlines
May 20
DUB7:05 pmDublin
26h 45m
1 stop
SEA1:50 pmSeattle/Tacoma Intl
May 30
SEA4:00 pmSeattle/Tacoma Intl
33h 25m
1 stop
DUB9:25 amDublin

Icelandair flights from Dublin to Seattle

Our best Icelandair deals on Dublin to Seattle flight tickets
Icelandair
May 11
DUB12:15 pmDublin
16h 25m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
May 18
SEA3:45 pmSeattle/Tacoma Intl
13h 30m
1 stop
DUB1:15 pmDublin
Icelandair
May 11
DUB12:15 pmDublin
16h 25m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
May 18
SEA3:45 pmSeattle/Tacoma Intl
13h 30m
1 stop
DUB1:15 pmDublin
Icelandair
May 15
DUB2:15 pmDublin
11h 35m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
May 28
SEA3:45 pmSeattle/Tacoma Intl
13h 30m
1 stop
DUB1:15 pmDublin

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?

In general, February is the cheapest month to fly from Dublin to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $605. If you don’t want to visit Seattle in February, then you should wait until November to fly from Dublin, when ticket prices are also cheap, with an average price of $611.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Dublin is on a Sunday. momondo users have found tickets for Sunday departures for as low as $803. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,257.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Dublin in the morning is the least expensive time of day to depart. momondo users have found prices as low as $750 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $881. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 9 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $745 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dublin for as low as $583 on momondo.

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

There are 4 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.

How have Dublin to Seattle flight prices changed over time?

As of March 2025, prices for Dublin to Seattle flights are approximately 0% 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 round-trip 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

$272

Fastest flight time

9h 39m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Dublin in the past 72 hours is $272. The best round-trip flight deal from Dublin to Seattle found on momondo in the last 72 hours is $375.
The fastest flight from Dublin to Seattle takes 9h 39m
Direct flights go from Dublin to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Dublin to Seattle/Tacoma Intl by plane?

    Dublin and Seattle/Tacoma Intl are 4518.4 mi apart from one another. A reasonable flight in good conditions will take 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 refresh daily.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 license 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 $556Free CancellationRating
7.0
476 reviews
Search Icelandair flights
Aer LingusPriceFrom $585Free CancellationRating
7.0
1,062 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $684Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • American Airlines Flights From Dublin to Seattle

    Across 2 American Airlines flights from Dublin to Seattle this week, the average price was $832, with the best American Airlines deals starting from $684 round-trip. 10,000 users have rated American Airlines on momondo, with an average score of 7.2/10.

  • Aer Lingus Flights From Dublin to Seattle

    $585 is the best Aer Lingus flight deal from Dublin to Seattle found on momondo over the last 72 hours. The average Aer Lingus ticket price found was closer to $880, however, with flight time and availability significantly affecting the price. Aer Lingus (7.0/10 from 1,062 user reviews) flies into Seattle from Dublin 2 times in an average week so prices can vary.


Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Federal Way
Tukwila
Puyallup
Kirkland
Lakewood
Fife
Lynnwood
Shoreline
Marysville
Centralia
Redmond
Cle Elum
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Seattle. Millions of users trust and use momondo every year so you are in good hands.

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 all potential Dublin to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.


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