Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to Seattle from $336

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Seattle departing on 4/5. 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

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 Ireland to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Ireland 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 Ireland to Seattle.

Cheap last minute flights

Planning a quick getaway from Ireland 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 to Seattle

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

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
3:20 pm - 9:20 amDUB-SEA
26h 00m1 stop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
Sun, Dec 15 - Mon, Dec 30
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
10:36 pm - 5:15 amSEA-DUB
22h 39m1 stop
Mon, Dec 16 - Mon, Dec 30
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
$574Icelandair
Find Deal
Mon, Jan 13 - Fri, Jan 17
12:15 pm - 5:40 pmDUB-SEA
13h 25m1 stop
3:50 pm - 11:05 amSEA-DUB
11h 15m1 stop
$589Icelandair
Find Deal
Thu, Apr 3 - Thu, Apr 24
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$642Aer Lingus
Find Deal
Mon, Dec 16 - Mon, Dec 30
5:55 am - 11:40 amDUB-SEA
13h 45m1 stop
1:35 pm - 3:40 pmSEA-DUB
18h 05m1 stop
$650Delta
Find Deal
Tue, Nov 19 - Tue, Dec 3
5:55 am - 11:40 amDUB-SEA
13h 45m1 stop
6:05 am - 12:40 pmSEA-DUB
22h 35m2 stops
$654Delta
Find Deal
Wed, Nov 27 - Sun, Dec 8
8:40 am - 11:24 pmDUB-SEA
22h 44m2 stops
1:35 pm - 5:05 pmSEA-DUB
19h 30m2 stops
$680American Airlines
Find Deal
Mon, Nov 18 - Mon, Dec 2
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$687Aer Lingus
Find Deal
Sun, Dec 15 - Mon, Dec 30
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
6:50 pm - 5:05 pmSEA-DUB
14h 15m1 stop
$823American Airlines
Find Deal
Mon, Nov 18 - Mon, Dec 2
6:50 am - 2:21 pmDUB-SEA
39h 31m2 stops
Sat, Apr 5
12:15 pm - 5:40 pmDUB-SEA
13h 25m1 stop
$421Icelandair
Find Deal
Fri, Apr 4
12:15 pm - 2:21 pmDUB-SEA
34h 06m2 stops
$429WestJet
Find Deal
Thu, Apr 3
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
$529British Airways
Find Deal
Wed, Nov 13
11:35 am - 10:07 pmDUB-SEA
18h 32m1 stop
$570Aer Lingus
Find Deal
Sun, Feb 16
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
$577Aer Lingus
Find Deal
Wed, Dec 18
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
$598British Airways
Find Deal
Wed, Dec 18
11:30 am - 12:56 pmDUB-SEA
57h 26m2 stops
$611WestJet
Find Deal
Thu, May 1
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
$779American Airlines
Find Deal
Sun, Feb 16
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
$849American Airlines
Find Deal
Fri, Apr 4
10:20 am - 10:25 pmDUB-SEA
20h 05m2 stops
7:30 am - 9:20 amSEA-DUB
17h 50m2 stops
$681Scandinavian Airlines
Find Deal
Sat, Nov 9 - Sat, Nov 16
8:35 pm - 11:24 pmDUB-SEA
34h 49m2 stops
6:50 pm - 7:40 pmSEA-DUB
16h 50m1 stop
$709British Airways
Find Deal
Sat, Nov 9 - Sat, Nov 16
12:30 pm - 10:21 pmDUB-SEA
41h 51m2 stops
7:30 am - 11:40 amSEA-DUB
20h 10m2 stops
$730Scandinavian Airlines
Find Deal
Wed, Nov 6 - Wed, Nov 13
9:00 am - 9:40 pmDUB-SEA
20h 40m1 stop
12:47 pm - 10:05 amSEA-DUB
13h 18m1 stop
$752United Airlines
Find Deal
Sat, Nov 9 - Sat, Nov 16
10:45 am - 4:55 pmDUB-SEA
14h 10m1 stop
11:06 pm - 8:40 amSEA-DUB
25h 34m1 stop
$764American Airlines
Find Deal
Fri, Nov 8 - Sun, Nov 24
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
$799Icelandair
Find Deal
Fri, Nov 8 - Sun, Nov 24
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$801Aer Lingus
Find Deal
Wed, Nov 6 - Wed, Nov 13
9:00 am - 9:40 pmDUB-SEA
20h 40m1 stop
7:10 am - 10:05 amSEA-DUB
18h 55m2 stops
$817United Airlines
Find Deal
Fri, Nov 8 - Sun, Nov 24
12:30 pm - 8:20 pmDUB-SEA
15h 50m1 stop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$820Aer Lingus
Find Deal
Wed, Nov 6 - Wed, Nov 13
7:40 am - 4:55 pmDUB-SEA
17h 15m1 stop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$904American Airlines
Find Deal
Fri, Nov 8 - Sun, Nov 24
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$642Aer Lingus
Find Deal
Mon, Dec 16 - Mon, Dec 30
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$687Aer Lingus
Find Deal
Sun, Dec 15 - Mon, Dec 30
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$700Aer Lingus
Find Deal
Sun, Dec 15 - Mon, Dec 30
3:25 pm - 5:05 pmDUB-SEA
9h 40mnonstop
6:50 pm - 11:55 amSEA-DUB
9h 05mnonstop
$817Aer Lingus
Find Deal
Tue, Apr 1 - Tue, Apr 15
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$844American Airlines
Find Deal
Sun, Nov 17 - Sun, Nov 24
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$863British Airways
Find Deal
Sun, Dec 15 - Mon, Dec 30
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
Sun, Dec 15 - Mon, Dec 30
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$876American Airlines
Find Deal
Sun, Dec 15 - Mon, Dec 30
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$883British Airways
Find Deal
Sun, Dec 15 - Mon, Dec 30
4:30 pm - 6:15 pmDUB-SEA
9h 45mnonstop
8:00 pm - 1:10 pmSEA-DUB
9h 10mnonstop
$1,574
Find Deal
Mon, Nov 18 - Mon, Dec 2

Icelandair flights from Ireland to Seattle

Our best Icelandair deals on Ireland to Seattle flight tickets
Icelandair
Jan 13
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
Jan 17
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Icelandair
Apr 3
DUB12:15 pmDublin
13h 25m
1 stop
SEA5:40 pmSeattle/Tacoma Intl
Apr 24
SEA3:50 pmSeattle/Tacoma Intl
11h 15m
1 stop
DUB11:05 amDublin
Icelandair
Apr 1
DUB12:15 pmDublin
13h 25m
1 stop
SEA5:40 pmSeattle/Tacoma Intl
Apr 17
SEA3:50 pmSeattle/Tacoma Intl
11h 15m
1 stop
DUB11:05 amDublin

Aer Lingus flights from Ireland to Seattle

Our best Aer Lingus deals on Ireland to Seattle flight tickets
Aer Lingus
Nov 11
DUB4:30 pmDublin
9h 45m
SEA6:15 pmSeattle/Tacoma Intl
Nov 24
SEA8:00 pmSeattle/Tacoma Intl
9h 10m
DUB1:10 pmDublin
Aer Lingus
Dec 16
DUB4:30 pmDublin
9h 45m
SEA6:15 pmSeattle/Tacoma Intl
Dec 30
SEA8:00 pmSeattle/Tacoma Intl
9h 10m
DUB1:10 pmDublin
Aer Lingus
Nov 11
DUB4:30 pmDublin
9h 45m
SEA6:15 pmSeattle/Tacoma Intl
Nov 24
SEA8:00 pmSeattle/Tacoma Intl
9h 10m
DUB1:10 pmDublin

How to get the cheapest flight ticket from Ireland 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 airline that flies to Seattle from Ireland?

Icelandair. Icelandair, American Airlines, and Aer Lingus are the most popular carriers operating from Ireland to Seattle

What is the cheapest Ireland to Seattle flight route?

Dublin - Seattle/Tacoma Intl. Fly from Dublin to Seattle/Tacoma Intl for the best Ireland - Seattle flight prices

How many flights depart from Ireland to Seattle on average per day?

The number of flights available between Ireland and Seattle is 1 per day as of November 2024. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

What cabin class options are available on Ireland to Seattle flights?

There are 2 cabin classes available to choose from on Ireland to Seattle 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 Ireland to Seattle flights?

You could potentially save up to 36% on your flight if you consider stops on a Ireland to Seattle flight.

Cheap Ireland to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Seattle

Best Price Found

$336

Fastest flight time

9h 40m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Ireland in the past 72 hours is $336. The best round-trip flight deal from Ireland to Seattle found on momondo in the last 72 hours is $510.
The fastest flight from Ireland to Seattle takes 9h 40m
Direct flights go from Ireland to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • When did momondo last update prices for flights from Ireland to Seattle/Tacoma Intl Airport?

    Prices for flights from Ireland to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Ireland to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Ireland to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ireland to Seattle?


Best airlines flying from Ireland to Seattle

Compare and see reviews for airlines that fly from Ireland to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $309Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Aer LingusPriceFrom $496Free CancellationRating
7.1
1,088 reviews
Search Aer Lingus flights
IcelandairPriceFrom $580Free CancellationRating
7.2
578 reviews
Search Icelandair flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Ireland.

Can I find flights from Ireland to Seattle with flexible booking policies on momondo?

Flights from Ireland 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 Ireland to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ireland 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 Ireland 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?
Sat 11/9
Sat 11/16
Email me momondo's favorite deals

Find better results for your trip to the United States