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 Shannon, and flying into State of Washington, then you can expect flight times to average 9h 45m and 17h 36m, respectively.

How many flights depart from Ireland to State of Washington on average per day?

The number of flights available between Ireland and State of Washington is 1 per day as of March 2026. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

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

WestJet, Aer Lingus, and Delta are the most popular carriers operating from Ireland to Washington

How many flights depart from Ireland to State of Washington on average per week?

As of March 2026, 9 flights take off from Ireland and land in State of Washington each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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 March 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.

$338 Cheap Flights from Ireland to Washington in 2026

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Find the cheapest flights from Ireland to Washington

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One-way

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Recent round-trip flight deals from Ireland to Washington

Enter your travel dates to find the best prices.

9:30 am - 7:36 pm

DUB

SEA

18h 06m

1 stop

7:09 am - 9:45 am

SEA

DUB

18h 36m

1 stop

$428Finnair

Mon, Apr 13 - Mon, Apr 27

2:15 pm - 5:55 pm

DUB

SEA

11h 40m

1 stop

3:40 pm - 1:15 pm

SEA

DUB

13h 35m

1 stop

$482Icelandair

Thu, Apr 9 - Mon, Apr 13

10:50 am - 4:30 pm

ORK

SEA

13h 40m

1 stop

5:35 pm - 4:35 pm

SEA

ORK

15h 00m

1 stop

$565Delta

Thu, Apr 9 - Thu, Apr 16

6:15 am - 2:58 pm

ORK

SEA

16h 43m

2 stops

8:50 am - 10:20 am

SEA

ORK

17h 30m

2 stops

$571Delta

Thu, Apr 9 - Thu, Apr 16

6:15 am - 2:58 pm

ORK

SEA

16h 43m

2 stops

5:35 pm - 10:20 am

SEA

ORK

32h 45m

1 stop

$610KLM

Wed, Apr 1 - Sun, Apr 5

1:00 pm - 1:50 pm

DUB

PDX

32h 50m

1 stop

3:30 pm - 5:05 pm

PDX

DUB

17h 35m

2 stops

$640Multiple Airlines

Tue, Apr 28 - Tue, May 19

7:55 am - 6:00 pm

DUB

PDX

18h 05m

2 stops

3:30 pm - 7:20 pm

PDX

DUB

19h 50m

2 stops

$657Multiple Airlines

Mon, Apr 13 - Mon, Apr 27

7:30 am - 10:38 pm

SNN

SEA

23h 08m

2 stops

7:10 am - 8:35 pm

SEA

SNN

29h 25m

2 stops

$697British Airways

Wed, May 6 - Sun, May 10

9:15 pm - 12:36 am

SNN

SEA

35h 21m

2 stops

7:00 am - 8:35 pm

SEA

SNN

29h 35m

2 stops

$698British Airways

Wed, May 6 - Sun, May 10

6:00 am - 12:25 pm

ORK

PDX

13h 25m

1 stop

2:25 pm - 11:25 pm

PDX

ORK

26h 00m

1 stop

$943KLM

Fri, Mar 20 - Fri, Mar 27

American Airlines flights from Ireland to State of Washington

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

American Airlines

Apr 18

DUB12:40 pmDublin

19h 56m

2 stops

SEA12:36 amSeattle/Tacoma Intl

May 2

SEA10:25 amSeattle/Tacoma Intl

15h 20m

1 stop

DUB9:45 amDublin

$557

American Airlines

Apr 18

DUB12:40 pmDublin

19h 56m

2 stops

SEA12:36 amSeattle/Tacoma Intl

May 2

SEA11:41 amSeattle/Tacoma Intl

14h 04m

1 stop

DUB9:45 amDublin

$560

American Airlines

Apr 2

DUB11:45 amDublin

21h 10m

2 stops

SEA12:55 amSeattle/Tacoma Intl

Apr 12

SEA10:47 pmSeattle/Tacoma Intl

23h 43m

1 stop

DUB6:30 amDublin

$563

Iberia flights from Ireland to State of Washington

Our best Iberia deals on Ireland to State of Washington flight tickets

Iberia

Apr 3

DUB9:30 amDublin

19h 46m

1 stop

SEA9:16 pmSeattle/Tacoma Intl

Apr 21

SEA7:09 amSeattle/Tacoma Intl

18h 36m

1 stop

DUB9:45 amDublin

$548

Iberia

Apr 9

DUB9:30 amDublin

21h 17m

1 stop

SEA10:47 pmSeattle/Tacoma Intl

Apr 16

SEA11:41 amSeattle/Tacoma Intl

14h 04m

1 stop

DUB9:45 amDublin

$549

Iberia

Apr 3

DUB9:30 amDublin

19h 46m

1 stop

SEA9:16 pmSeattle/Tacoma Intl

Apr 16

SEA6:00 amSeattle/Tacoma Intl

19h 45m

1 stop

DUB9:45 amDublin

$551

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 4/13

9:30 am-7:36 pm

1 stop18h 06m

Seattle/Tacoma Intl

Mon 4/27

7:09 am-9:45 am

1 stop18h 36m

$428

Quickest round-trip

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 4/9

2:15 pm-5:55 pm

1 stop11h 40m

Seattle/Tacoma Intl

Mon 4/13

3:40 pm-1:15 pm

1 stop13h 35m

$482

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 4/9

10:50 am-4:30 pm

1 stop13h 40m

Seattle/Tacoma Intl

Thu 4/16

5:35 pm-4:35 pm

1 stop15h 00m

$565

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 4/9

6:15 am-2:58 pm

2 stops16h 43m

Seattle/Tacoma Intl

Thu 4/16

8:50 am-10:20 am

2 stops17h 30m

$571

CorkSeattle

ORK - SEA

ORKSEA

Cork

Wed 4/1

6:15 am-2:58 pm

2 stops16h 43m

Seattle/Tacoma Intl

Sun 4/5

5:35 pm-10:20 am

1 stop32h 45m

$610

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 4/28

1:00 pm-1:50 pm

1 stop32h 50m

Portland

Tue 5/19

3:30 pm-5:05 pm

2 stops17h 35m

$640

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 4/13

7:55 am-6:00 pm

2 stops18h 05m

Portland

Mon 4/27

3:30 pm-7:20 pm

2 stops19h 50m

$657

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 5/6

7:30 am-10:38 pm

2 stops23h 08m

Seattle/Tacoma Intl

Sun 5/10

7:10 am-8:35 pm

2 stops29h 25m

$697

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 5/6

9:15 pm-12:36 am

2 stops35h 21m

Seattle/Tacoma Intl

Sun 5/10

7:00 am-8:35 pm

2 stops29h 35m

$698

CorkPortland

ORK - PDX

ORKPDX

Cork

Fri 3/20

6:00 am-12:25 pm

1 stop13h 25m

Portland

Fri 3/27

2:25 pm-11:25 pm

1 stop26h 00m

$943

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

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Other information

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

The month of February is, on average, the cheapest month to fly to State of Washington from Ireland, with most prices found around $619. If you aren’t able to travel to State of Washington during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $623.

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 Sunday. Travelers who choose to depart for State of Washington on a Sunday will often find tickets for as low as $672. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around $900.

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 to State of 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 $719 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 $623 on momondo.

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

There are 3 cabin classes available to choose from on Ireland to 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 40% 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	$582
Fastest flight time	9h 45m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Ireland in the past 72 hours is $582. The best round-trip flight deal from Ireland to State of Washington found on momondo in the last 72 hours is $555.

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

Direct flights go from Ireland to State of Washington every day.

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

Search flight deals

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 March 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 (87.65% of total bookings). The next most popular plane models are Airbus A330-300 (7.17%), Airbus A330 (2.39%), and Airbus A318/A319/A320/A321 (0.80%).

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 $523	Free Cancellation	Rating 7.2 1,473 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.

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Cheap flights from Ireland to Washington from $338

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 Washington departing on 6/3. 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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American Airlines flights from Ireland to State of Washington

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

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Our best Iberia deals on Ireland to State of Washington flight tickets

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

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

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

What is the cheapest Ireland to Washington flight route?

How far in advance should I book a flight to State of Washington?

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

Can stopping save me money on Ireland to State of Washington flights?

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

How many flights depart from Ireland to State of Washington on average per day?

How many flights depart from Ireland to State of Washington on average per week?

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

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

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Fastest flight time

Direct flights

Airports in State of Washington

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

Why use momondo?

An easier way to manage your State of Washington 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.

Find better results for your trip to Washington

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