Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Dublin to Seattle from $340

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 1/28. 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

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Dublin to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Dublin to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Dublin to Seattle.

Cheap last minute flights

Planning a quick getaway from Dublin to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Dublin to Seattle

Find recent round-trip train or bus tickets from Dublin to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
4:40 pm - 10:28 amDUB-SEA
25h 48m1 stop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
Fri, Feb 14 - Fri, Feb 28
4:40 pm - 10:36 amDUB-SEA
25h 56m1 stop
9:29 pm - 1:10 pmSEA-DUB
31h 41m1 stop
Mon, Feb 3 - Mon, Feb 10
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
$518Icelandair
Find Deal
Tue, Feb 4 - Tue, Feb 11
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
$521Icelandair
Find Deal
Fri, Feb 14 - Fri, Feb 28
12:30 pm - 11:08 pmDUB-SEA
42h 38m2 stops
1:35 pm - 9:20 amSEA-DUB
35h 45m2 stops
$543Scandinavian Airlines
Find Deal
Fri, Feb 14 - Fri, Feb 28
12:30 pm - 10:25 pmDUB-SEA
41h 55m2 stops
7:30 am - 11:40 amSEA-DUB
20h 10m2 stops
$544Scandinavian Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
6:50 pm - 7:45 pmSEA-DUB
16h 55m1 stop
$732American Airlines
Find Deal
Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
6:50 pm - 5:00 pmSEA-DUB
14h 10m1 stop
$734American Airlines
Find Deal
Fri, Feb 14 - Fri, Feb 28
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$746Aer Lingus
Find Deal
Sun, May 18 - Wed, May 28
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$838Aer Lingus
Find Deal
Mon, May 5 - Wed, May 14
1:00 pm - 10:00 amDUB-SEA
53h 00m3 stops
Tue, Jan 28
1:00 pm - 2:21 pmDUB-SEA
57h 21m2 stops
Tue, Jan 28
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
$401Icelandair
Find Deal
Wed, Jan 15
2:15 pm - 5:50 pmDUB-SEA
11h 35m1 stop
$412Icelandair
Find Deal
Sat, May 17
9:45 am - 8:28 pmDUB-SEA
42h 43m2 stops
$457WestJet
Find Deal
Sat, May 24
11:20 am - 8:28 pmDUB-SEA
41h 08m2 stops
$567WestJet
Find Deal
Thu, May 1
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
$578Aer Lingus
Find Deal
Fri, May 16
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
$609Aer Lingus
Find Deal
Tue, Apr 29
8:40 am - 11:06 pmDUB-SEA
22h 26m2 stops
$670American Airlines
Find Deal
Fri, Feb 14
8:40 am - 11:20 amDUB-SEA
34h 40m1 stop
$794American Airlines
Find Deal
Mon, Jan 6
5:55 am - 11:52 amDUB-SEA
13h 57m1 stop
1:35 pm - 3:40 pmSEA-DUB
18h 05m1 stop
Mon, Dec 23 - Thu, Dec 26
9:00 am - 9:20 pmDUB-SEA
20h 20m1 stop
7:47 am - 10:05 amSEA-DUB
18h 18m2 stops
$926United Airlines
Find Deal
Mon, Dec 23 - Thu, Dec 26
9:00 am - 10:48 pmDUB-SEA
21h 48m2 stops
7:47 am - 10:05 amSEA-DUB
18h 18m2 stops
$936United Airlines
Find Deal
Mon, Dec 23 - Thu, Dec 26
9:00 am - 9:20 pmDUB-SEA
20h 20m1 stop
6:05 am - 7:10 amSEA-DUB
17h 05m1 stop
$1,114United Airlines
Find Deal
Fri, Dec 27 - Fri, Jan 3
9:00 am - 10:00 pmDUB-SEA
21h 00m2 stops
6:05 am - 7:10 amSEA-DUB
17h 05m1 stop
$1,134
Find Deal
Fri, Dec 27 - Fri, Jan 3
11:50 am - 11:30 amDUB-SEA
31h 40m2 stops
11:59 pm - 10:05 amSEA-DUB
50h 06m2 stops
$1,376United Airlines
Find Deal
Fri, Dec 27 - Fri, Jan 3
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
1:45 pm - 1:35 pmSEA-DUB
15h 50m1 stop
$1,448American Airlines
Find Deal
Fri, Dec 27 - Fri, Jan 3
7:30 pm - 9:20 pmDUB-SEA
33h 50m3 stops
6:05 am - 9:50 pmSEA-DUB
31h 45m2 stops
$1,469
Find Deal
Mon, Dec 23 - Thu, Dec 26
7:30 pm - 9:20 pmDUB-SEA
33h 50m3 stops
6:05 am - 10:05 pmSEA-DUB
32h 00m3 stops
$1,490
Find Deal
Mon, Dec 23 - Thu, Dec 26
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$1,653American Airlines
Find Deal
Fri, Dec 27 - Fri, Jan 3
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$737British Airways
Find Deal
Fri, Feb 14 - Fri, Feb 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$740British Airways
Find Deal
Fri, Feb 14 - Fri, Feb 28
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$746Aer Lingus
Find Deal
Sun, May 18 - Wed, May 28
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$759British Airways
Find Deal
Fri, Feb 14 - Fri, Feb 28
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$778Aer Lingus
Find Deal
Sat, May 17 - Mon, May 26
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$800American Airlines
Find Deal
Thu, May 8 - Thu, May 29
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$803American Airlines
Find Deal
Tue, May 20 - Fri, May 30
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$838Aer Lingus
Find Deal
Mon, May 5 - Wed, May 14
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$857Aer Lingus
Find Deal
Fri, May 9 - Fri, May 30
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$897American Airlines
Find Deal
Fri, Apr 11 - Sat, Apr 19

Icelandair flights from Dublin to Seattle

Our best Icelandair deals on Dublin to Seattle flight tickets
Icelandair
Feb 4
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Feb 11
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Icelandair
Feb 14
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Feb 28
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Icelandair
Feb 14
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Feb 28
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin

Scandinavian Airlines flights from Dublin to Seattle

Our best Scandinavian Airlines deals on Dublin to Seattle flight tickets
Scandinavian Airlines
Feb 14
DUB12:30 pmDublin
42h 38m
2 stops
SEA11:08 pmSeattle/Tacoma Intl
Feb 28
SEA1:35 pmSeattle/Tacoma Intl
35h 45m
2 stops
DUB9:20 amDublin
Scandinavian Airlines
Feb 4
DUB12:30 pmDublin
41h 55m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
Feb 11
SEA7:30 amSeattle/Tacoma Intl
20h 10m
2 stops
DUB11:40 amDublin
Scandinavian Airlines
Feb 5
DUB12:30 pmDublin
41h 55m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
Feb 12
SEA11:45 amSeattle/Tacoma Intl
39h 55m
2 stops
DUB11:40 amDublin

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, November 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 $615. If you don’t want to visit Seattle in November, then you should wait until February to fly from Dublin, when ticket prices are also cheap, with an average price of $641.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $775. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday 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 $1,094.

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 $846. 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 59 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $759 when searching 59 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $296 in the past 72 hours.

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.

Can stopping save me money on Dublin to Seattle flights?

You could potentially save up to 40% 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 2024, prices for Dublin to Seattle flights are approximately 4% 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 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

$340

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 $340. The best round-trip flight deal from Dublin to Seattle found on momondo in the last 72 hours is $503.
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)

  • 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 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 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
Aer LingusPriceFrom $496Free CancellationRating
7.1
1,075 reviews
Search Aer Lingus flights
IcelandairPriceFrom $556Free CancellationRating
7.1
508 reviews
Search Icelandair flights
American AirlinesPriceFrom $640Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • American Airlines Flights From Dublin to Seattle

    Across 3 American Airlines flights from Dublin to Seattle this week, the average price was $787, with the best American Airlines deals starting from $640 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

    $496 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 $874, however, with flight time and availability significantly affecting the price. Aer Lingus (7.1/10 from 1,075 user reviews) flies into Seattle from Dublin 3 times in an average week so prices can vary.


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.


An easier way to manage your Seattle trip

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Fri 12/27
Fri 1/3
Email me momondo's favorite deals

Find better results for your trip to the United States