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

Flight times from Ireland to State of Washington vary, but if you’re flying out of Dublin and flying into Seattle (one of the most popular routes), then the duration is 9h 39m on average. Another popular route from Ireland to State of Washington is flying from Cork to Seattle, which will take roughly 13h 35m. Keep in mind that layovers or delays could extend your travel time.

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

WestJet, Aer Lingus, and Icelandair 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 November 2025, there are 12 flights per week flying from Ireland to State of Washington. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.

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

As of November 2025, 1 flights take off from Ireland and land in State of Washington each day. The most common flight departure time for this route is 16:00, with 100% of daily flights taking off in the afternoon.

Which airlines fly to State of Washington?

Aer Lingus, Icelandair and British Airways are the top three most popular airlines that fly to State of Washington from Ireland according to our data. Aer Lingus is the first choice among our users, with 55% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ireland to Washington refresh daily.

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

There are 3 operators available for flights from Ireland to Washington as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Washington.

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

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

€324 Cheap Flights from Ireland to Washington in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ireland to Washington

Round-trip

One-way

Last minute

Direct

Recent return flight deals from Ireland to Washington

Enter your travel dates to find the best prices.

11:30 - 17:00DUB-SEA

13h 30m1 stop

14:35 - 10:15SEA-DUB

11h 40m1 stop

€399Icelandair

Find Deal

Mon, 2 Feb - Mon, 16 Feb

11:30 - 17:00DUB-SEA

13h 30m1 stop

14:35 - 10:15SEA-DUB

11h 40m1 stop

€406Icelandair

Find Deal

Wed, 28 Jan - Sat, 7 Feb

05:55 - 11:45DUB-SEA

13h 50m1 stop

11:30 - 08:45SEA-DUB

13h 15m1 stop

€421KLM

Find Deal

Fri, 21 Nov - Fri, 5 Dec

05:55 - 11:45DUB-SEA

13h 50m1 stop

09:45 - 12:40SEA-DUB

18h 55m2 stops

€422KLM

Find Deal

Fri, 21 Nov - Fri, 5 Dec

08:50 - 16:55DUB-SEA

16h 05m1 stop

13:35 - 15:00SEA-DUB

17h 25m1 stop

€424American Airlines

Find Deal

Wed, 28 Jan - Sat, 7 Feb

16:00 - 11:30DUB-SEA

27h 30m1 stop

07:15 - 17:05SEA-DUB

25h 50m2 stops

€426American Airlines

Find Deal

Mon, 2 Feb - Mon, 16 Feb

16:30 - 18:20DUB-SEA

9h 50mdirect

20:05 - 13:10SEA-DUB

9h 05mdirect

€434Aer Lingus

Find Deal

Fri, 21 Nov - Fri, 5 Dec

08:50 - 21:47DUB-SEA

20h 57m2 stops

13:35 - 09:50SEA-DUB

12h 15m1 stop

€435British Airways

Find Deal

Wed, 28 Jan - Sat, 7 Feb

16:30 - 18:20DUB-SEA

9h 50mdirect

20:05 - 13:10SEA-DUB

9h 05mdirect

€450Aer Lingus

Find Deal

Fri, 21 Nov - Fri, 5 Dec

11:30 - 22:10DUB-SEA

18h 40m1 stop

00:31 - 07:10SEA-DUB

22h 39m1 stop

€497British Airways

Find Deal

Tue, 2 Dec - Sat, 6 Dec

American Airlines flights from Ireland to State of Washington

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

American Airlines

28 Jan

DUB08:50Dublin

16h 05m

1 stop

SEA16:55Seattle/Tacoma Intl

7 Feb

SEA13:35Seattle/Tacoma Intl

17h 25m

1 stop

DUB15:00Dublin

€424

Find similar

American Airlines

2 Feb

DUB16:00Dublin

27h 30m

1 stop

SEA11:30Seattle/Tacoma Intl

16 Feb

SEA07:15Seattle/Tacoma Intl

25h 50m

2 stops

DUB17:05Dublin

€426

Find similar

American Airlines

14 Nov

DUB10:45Dublin

20h 33m

2 stops

SEA23:18Seattle/Tacoma Intl

30 Nov

SEA18:50Seattle/Tacoma Intl

14h 00m

1 stop

DUB16:50Dublin

€433

Find similar

Delta flights from Ireland to State of Washington

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

Delta

14 Nov

DUB05:55Dublin

13h 50m

1 stop

SEA11:45Seattle/Tacoma Intl

28 Nov

SEA09:30Seattle/Tacoma Intl

22h 15m

2 stops

DUB15:45Dublin

€434

Find similar

Delta

14 Nov

DUB05:55Dublin

13h 50m

1 stop

SEA11:45Seattle/Tacoma Intl

28 Nov

SEA09:30Seattle/Tacoma Intl

22h 15m

2 stops

DUB15:45Dublin

€436

Find similar

Delta

8 Dec

DUB05:55Dublin

13h 55m

1 stop

SEA11:50Seattle/Tacoma Intl

14 Dec

SEA07:15Seattle/Tacoma Intl

21h 25m

2 stops

DUB12:40Dublin

€437

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 2/2

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Mon 16/2

14:35-10:15

1 stop11h 40m

€399

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 28/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sat 7/2

14:35-10:15

1 stop11h 40m

€406

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 21/11

05:55-11:45

1 stop13h 50m

Seattle/Tacoma Intl

Fri 5/12

11:30-08:45

1 stop13h 15m

€421

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 21/11

05:55-11:45

1 stop13h 50m

Seattle/Tacoma Intl

Fri 5/12

09:45-12:40

2 stops18h 55m

€422

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 28/1

08:50-16:55

1 stop16h 05m

Seattle/Tacoma Intl

Sat 7/2

13:35-15:00

1 stop17h 25m

€424

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 2/2

16:00-11:30

1 stop27h 30m

Seattle/Tacoma Intl

Mon 16/2

07:15-17:05

2 stops25h 50m

€426

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 21/11

16:30-18:20

Nonstop9h 50m

Seattle/Tacoma Intl

Fri 5/12

20:05-13:10

Nonstop9h 05m

€434

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 28/1

08:50-21:47

2 stops20h 57m

Seattle/Tacoma Intl

Sat 7/2

13:35-09:50

1 stop12h 15m

€435

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 21/11

16:30-18:20

Nonstop9h 50m

Seattle/Tacoma Intl

Fri 5/12

20:05-13:10

Nonstop9h 05m

€450

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/12

11:30-22:10

1 stop18h 40m

Seattle/Tacoma Intl

Sat 6/12

00:31-07:10

1 stop22h 39m

€497

Flights are sorted by cheapest return 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 February is, on average, the cheapest month to fly to State of Washington from Ireland, with most prices found around €530. If you’re not able to fly to State of Washington in February, then November is your next best option. Flight prices from Ireland to State of Washington during November average around €548.

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

The cheapest day to depart on your flight to State of Washington is on a Thursday when prices can be found for as low as €646. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around €808.

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

Our most recent data shows that the best time of day to fly to State of Washington is in the morning. Flights from Ireland to State of Washington during this time can be as low as €576. Flights in the afternoon are often more expensive, with an average ticket price of €708.

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 €618 when searching weeks before you fly. 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 €519 on momondo.

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

There is only 1 cabin class 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 39% 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	€498
Fastest flight time	9h 39m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in State of Washington	1 airport

The best flight deal from Ireland to State of Washington found on momondo in the last 72 hours is €498

The fastest flight from Ireland to State of Washington takes 9h 39m

Direct flights go from Ireland to State of Washington on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..

There is 1 airport near State of Washington: 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 refresh daily.
How many operators does momondo search for flights from Ireland to Washington?
There are 3 operators available for flights from Ireland to Washington as of November 2025.
How old do you have to be to fly from Ireland to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ireland to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Ireland to State of Washington is Airbus A330-200, representing 83.01% of all bookings. The subsequent popular models are Airbus A318/A319/A320/A321 at 6.54%, Airbus A321-100/200 at 2.61%, and Airbus A330-300 at 2.61%.

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
Icelandair	PriceFrom €423	Free Cancellation	Rating 7.1 572 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €481	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
British Airways	PriceFrom €507	Free Cancellation	Rating 6.7 7,501 reviews	Search British Airways flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Ireland to Washington flights to just show those with flexible booking policies.

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

Once all potential Ireland to Washington 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 Ireland to Washington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your State of Washington trip

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

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 8/12

Mon 15/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular Cities in Washington

Flights to New Yorkfrom €263

Flights to Orlandofrom €404

Flights to Chicagofrom €358

Flights to Miamifrom €327

Flights to Los Angelesfrom €440

Flights to San Franciscofrom €381

Flights to Bostonfrom €315

Flights to Las Vegasfrom €387

Flights to Anchoragefrom €985

Flights to Washington, D.C.from €358

Flights to Dallasfrom €452

Flights to Denverfrom €492

Cheap flights from Ireland to Washington from €324

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 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ireland to Washington

Recent return flight deals from Ireland to Washington

Recent one-way flight deals from Ireland to Washington

Recent last minute flight deals from Ireland to Washington

Recent direct flight deals from Ireland to Washington

American Airlines flights from Ireland to State of Washington

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

Delta flights from Ireland to State of Washington

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

momondo Fare Finder

Use the filters below to find and compare flights from Ireland to Washington that are best for you.

See travel insights to Washington from

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

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 time of day to depart on your flight to State of Washington?

Our most recent data shows that the best time of day to fly to State of Washington is in the morning. Flights from Ireland to State of Washington during this time can be as low as €576. Flights in the afternoon are often more expensive, with an average ticket price of €708.

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?

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

There is only 1 cabin class 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 39% on your flight if you consider stops on a Ireland to State of Washington flight.

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

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

Which airlines fly to State of Washington?

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

As of November 2025, 1 flights take off from Ireland and land in State of Washington each day. The most common flight departure time for this route is 16:00, with 100% of daily flights taking off in the afternoon.

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

As of November 2025, there are 12 flights per week flying from Ireland to State of Washington. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.

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

Best price found

Fastest flight time

Direct flights

Airports in State of Washington

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

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

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

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

What is the most popular plane model from Ireland to 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?

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

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

How can momondo help me find flights 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?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organise 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

Popular Cities in Washington

Popular flights according to clicks in the last 7 days on momondo