How long is the flight from Ireland to State of Washington?

If you’re flying from a popular airport in Ireland, such as Dublin or Cork, and flying into State of Washington, then you can expect flight times to average 9h 45m and 14h 07m, respectively.

What is the cheapest airline that flies from Ireland to Washington?

KLM, Delta, and British Airways are the most popular carriers operating from Ireland to Washington

When did momondo last update prices for flights from Ireland to Washington?

Prices for flights from Ireland to Washington are refreshed on a daily basis.

How many operators does momondo search for flights from Ireland to Washington?

There is 1 operator available for flights from Ireland to Washington as of November 2026.

How old do you have to be to fly from Ireland to Washington?

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 Ireland to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington 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.

$436 Cheap Flights from Ireland to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to Washington

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One-way

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Direct

Recent round-trip flight deals from Ireland to Washington

Enter your travel dates to find the best prices.

11:30 am - 5:00 pmDUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:15 amSEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

$613Icelandair

Wed, Jan 20 - Wed, Feb 3

11:30 am - 5:00 pmDUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:15 amSEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

$622Icelandair

Fri, Dec 4 - Tue, Dec 8

7:05 pm - 10:04 pmDUB Dublin-SEA Seattle/Tacoma Intl

34h 59m2 stops Kastrup Copenhagen Boston Logan Intl

2:30 pm - 6:20 pmSEA Seattle/Tacoma Intl-DUB Dublin

19h 50m2 stops Los Angeles Kastrup Copenhagen

$636Scandinavian Airlines

Thu, Apr 1 - Wed, Apr 7

7:05 pm - 10:04 pmDUB Dublin-SEA Seattle/Tacoma Intl

34h 59m2 stops Kastrup Copenhagen Boston Logan Intl

7:20 am - 6:20 pmSEA Seattle/Tacoma Intl-DUB Dublin

27h 00m2 stops Boston Logan Intl Kastrup Copenhagen

$636Scandinavian Airlines

Thu, Apr 1 - Tue, Apr 6

11:30 am - 5:00 pmDUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:15 amSEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

$641Icelandair

Fri, Feb 12 - Fri, Feb 19

10:10 am - 10:02 pmDUB Dublin-SEA Seattle/Tacoma Intl

19h 52m2 stops Kastrup Copenhagen Los Angeles

11:15 pm - 11:45 amSEA Seattle/Tacoma Intl-DUB Dublin

28h 30m2 stops Boston Logan Intl Kastrup Copenhagen

$653Scandinavian Airlines

Sun, Dec 13 - Mon, Dec 28

11:30 am - 5:00 pmDUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:15 amSEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

$660Icelandair

Thu, Jan 14 - Mon, Jan 18

11:30 am - 5:00 pmDUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:15 amSEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

$661Icelandair

Thu, Jan 14 - Mon, Jan 18

11:30 am - 11:42 pmDUB Dublin-SEA Seattle/Tacoma Intl

20h 12m1 stop Chicago O'Hare Intl

6:29 am - 10:25 amSEA Seattle/Tacoma Intl-DUB Dublin

19h 56m1 stop Chicago O'Hare Intl

$878Aer Lingus

Sun, Dec 20 - Tue, Jan 5

7:45 pm - 11:25 amDUB Dublin-SEA Seattle/Tacoma Intl

23h 40m1 stop London Heathrow

11:39 pm - 5:15 amSEA Seattle/Tacoma Intl-DUB Dublin

21h 36m1 stop Chicago O'Hare Intl

$883Aer Lingus

Wed, Dec 9 - Wed, Dec 16

Recent last minute flight deals from Ireland to Washington

Enter your travel dates to find the best prices.

11:30 am - 5:00 pmDUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:15 amSEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

$615Icelandair

Sat, Nov 7 - Mon, Nov 23

11:30 am - 5:00 pmDUB Dublin-SEA Seattle/Tacoma Intl

13h 30m1 stop Reykjavik Keflavik Intl

2:35 pm - 10:15 amSEA Seattle/Tacoma Intl-DUB Dublin

11h 40m1 stop Reykjavik Keflavik Intl

$638Icelandair

Sat, Nov 7 - Mon, Nov 23

10:10 am - 9:58 pmDUB Dublin-SEA Seattle/Tacoma Intl

19h 48m2 stops Kastrup Copenhagen Los Angeles

7:27 am - 6:20 pmSEA Seattle/Tacoma Intl-DUB Dublin

26h 53m2 stops Chicago O'Hare Intl Kastrup Copenhagen

$645Scandinavian Airlines

Sat, Nov 7 - Mon, Nov 23

7:05 pm - 10:03 pmDUB Dublin-SEA Seattle/Tacoma Intl

34h 58m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

3:13 pm - 11:45 amSEA Seattle/Tacoma Intl-DUB Dublin

36h 32m2 stops Los Angeles Kastrup Copenhagen

$663Scandinavian Airlines

Sat, Nov 7 - Mon, Nov 23

7:05 pm - 9:58 pmDUB Dublin-SEA Seattle/Tacoma Intl

34h 53m2 stops Kastrup Copenhagen Los Angeles

11:00 am - 6:20 pmSEA Seattle/Tacoma Intl-DUB Dublin

23h 20m2 stops San Francisco Kastrup Copenhagen

$666Scandinavian Airlines

Sat, Nov 7 - Mon, Nov 23

11:30 am - 11:34 amDUB Dublin-SEA Seattle/Tacoma Intl

32h 04m1 stop Philadelphia

9:15 am - 8:40 amSEA Seattle/Tacoma Intl-DUB Dublin

15h 25m1 stop Philadelphia

$683British Airways

Thu, Nov 5 - Wed, Nov 18

11:30 am - 9:59 pmDUB Dublin-SEA Seattle/Tacoma Intl

18h 29m1 stop Philadelphia

5:00 am - 7:10 amSEA Seattle/Tacoma Intl-DUB Dublin

18h 10m1 stop Dallas/Fort Worth

$685Multiple Airlines

Fri, Nov 6 - Sun, Nov 22

11:30 am - 9:59 pmDUB Dublin-SEA Seattle/Tacoma Intl

18h 29m1 stop Philadelphia

2:13 pm - 7:10 amSEA Seattle/Tacoma Intl-DUB Dublin

32h 57m1 stop Dallas/Fort Worth

$686Multiple Airlines

Sun, Nov 8 - Sun, Nov 22

12:55 pm - 11:42 pmDUB Dublin-SEA Seattle/Tacoma Intl

18h 47m1 stop Dallas/Fort Worth

6:20 am - 8:40 amSEA Seattle/Tacoma Intl-DUB Dublin

18h 20m2 stops Phoenix Sky Harbor Intl Philadelphia

$690British Airways

Thu, Nov 5 - Wed, Nov 18

12:55 pm - 8:40 pmDUB Dublin-GEG Spokane

15h 45m1 stop Dallas/Fort Worth

12:51 pm - 7:10 amGEG Spokane-DUB Dublin

34h 19m1 stop Dallas/Fort Worth

$723American Airlines

Mon, Nov 9 - Sun, Nov 15

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British Airways flights from Ireland to State of Washington

Our best British Airways deals on Ireland to State of Washington flight tickets

British Airways

Feb 11

DUB10:50 amDublin

14h 00m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Feb 20

SEA6:45 pmSeattle/Tacoma Intl

15h 00m

1 stop

DUB5:45 pmDublin

$673

British Airways

Nov 5

DUB11:30 amDublin

32h 04m

1 stop

SEA11:34 amSeattle/Tacoma Intl

Nov 18

SEA9:15 amSeattle/Tacoma Intl

15h 25m

1 stop

DUB8:40 amDublin

$683

British Airways

Nov 30

DUB8:40 pmDublin

22h 45m

1 stop

SEA11:25 amSeattle/Tacoma Intl

Dec 7

SEA6:45 pmSeattle/Tacoma Intl

12h 40m

1 stop

DUB3:25 pmDublin

$685

Scandinavian Airlines flights from Ireland to State of Washington

Our best Scandinavian Airlines deals on Ireland to State of Washington flight tickets

Scandinavian Airlines

Apr 1

DUB7:05 pmDublin

34h 59m

2 stops

SEA10:04 pmSeattle/Tacoma Intl

Apr 7

SEA2:30 pmSeattle/Tacoma Intl

19h 50m

2 stops

DUB6:20 pmDublin

$636

Scandinavian Airlines

Nov 7

DUB10:10 amDublin

19h 48m

2 stops

SEA9:58 pmSeattle/Tacoma Intl

Nov 23

SEA7:27 amSeattle/Tacoma Intl

26h 53m

2 stops

DUB6:20 pmDublin

$645

Scandinavian Airlines

Dec 13

DUB10:10 amDublin

19h 52m

2 stops

SEA10:02 pmSeattle/Tacoma Intl

Dec 28

SEA11:15 pmSeattle/Tacoma Intl

28h 30m

2 stops

DUB11:45 amDublin

$653

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Wed 1/20

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Wed 2/3

2:35 pm-10:15 am

1 stop11h 40m

$613

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Fri 12/4

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Tue 12/8

2:35 pm-10:15 am

1 stop11h 40m

$622

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Thu 4/1

7:05 pm-10:04 pm

2 stops34h 59m

Seattle/Tacoma Intl

Wed 4/7

2:30 pm-6:20 pm

2 stops19h 50m

$636

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Thu 4/1

7:05 pm-10:04 pm

2 stops34h 59m

Seattle/Tacoma Intl

Tue 4/6

7:20 am-6:20 pm

2 stops27h 00m

$636

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Fri 2/12

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Fri 2/19

2:35 pm-10:15 am

1 stop11h 40m

$641

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sun 12/13

10:10 am-10:02 pm

2 stops19h 52m

Seattle/Tacoma Intl

Mon 12/28

11:15 pm-11:45 am

2 stops28h 30m

$653

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Thu 1/14

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Mon 1/18

2:35 pm-10:15 am

1 stop11h 40m

$660

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Thu 1/14

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Mon 1/18

2:35 pm-10:15 am

1 stop11h 40m

$661

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Sun 12/20

11:30 am-11:42 pm

1 stop20h 12m

Seattle/Tacoma Intl

Tue 1/5

6:29 am-10:25 am

1 stop19h 56m

$878

DublinSeattle

DUB Dublin - SEA Seattle/Tacoma Intl

DUBSEA

Dublin

Wed 12/9

7:45 pm-11:25 am

1 stop23h 40m

Seattle/Tacoma Intl

Wed 12/16

11:39 pm-5:15 am

1 stop21h 36m

$883

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to State of Washington

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

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of April is, on average, the cheapest month to fly to State of Washington from Ireland, with most prices found around $603. If you aren’t able to travel to State of Washington during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $628.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Ireland to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $615. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around $1,250.

What is the cheapest Ireland to Washington flight route?

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

How far in advance should I book a flight from Ireland to Washington?

You are more likely to see cheaper flights to State of Washington from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $774 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Ireland for as low as $614 on momondo.

What cabin class options are available on Ireland to State of Washington flights?

There are 3 cabin classes available to choose from on Ireland to State of Washington 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 State of Washington flights?

You could potentially save up to 16% on your flight if you consider stops on a Ireland to State of Washington flight.

Cheap Ireland to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to State of Washington

Best Price Found	$436
Fastest flight time	9h 45m
Direct flights	Wed
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Ireland in the past 72 hours is $436. The best round-trip flight deal from Ireland to State of Washington found on momondo in the last 72 hours is $613.

The fastest flight from Ireland to State of Washington takes 9h 45m

Direct flights go from Ireland to State of Washington on Wednesday. The only airline offering direct flights is Aer Lingus.

There are 96 airports in State of Washington. From Ireland there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Ireland to Washington

When did momondo last update prices for flights from Ireland to Washington?
Prices for flights from Ireland to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Washington?
There is 1 operator available for flights from Ireland to Washington as of November 2026.
How old do you have to be to fly from Ireland to Washington?
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 Ireland to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington 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 Ireland to State of Washington?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to State of Washington is Airbus A330-200 (53.93% of total bookings). The next most popular plane models are Airbus A330-300 (20.22%), Airbus A330 (7.87%), and Airbus A321neo (5.62%).

Best airlines flying from Ireland to State of Washington

Compare and see reviews for airlines that fly from Ireland to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom $554	Free Cancellation	Rating 7.3 1,880 reviews		Search Aer Lingus flights

Why use momondo?

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

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 Ireland to Washington for you.

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

Yes. momondo enables you to select and highlight flights to Washington from Ireland with this policy.

How can momondo help me find flights from Ireland to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Washington.

I’m not ready to book a flight from Ireland to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.