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 October 2025. 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?

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

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 50m and 21h 22m, respectively.

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

As of October 2025, 11 flights take off from Ireland and land in State of Washington each week. The most common flight departure day for this route is Thu, with 27% of weekly flights taking off on this day.

What airlines fly to State of Washington?

Aer Lingus, Icelandair and American Airlines 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 70% of people opting to fly with this airline when traveling 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 are refreshed on a daily basis.

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 October 2025.

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.

$349 Cheap Flights from Ireland to Washington in 2025/26

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Recent round-trip flight deals from Ireland to Washington

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11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$468Icelandair

Find Deal

Thu, Feb 5 - Wed, Feb 18

11:30 am - 5:00 pmDUB-SEA

13h 30m1 stop

2:35 pm - 10:15 amSEA-DUB

11h 40m1 stop

$473Icelandair

Find Deal

Mon, Nov 17 - Mon, Dec 1

4:00 pm - 11:30 amDUB-SEA

27h 30m1 stop

1:25 pm - 12:10 pmSEA-DUB

14h 45m1 stop

$497American Airlines

Find Deal

Mon, Dec 22 - Tue, Jan 6

4:00 pm - 11:30 amDUB-SEA

27h 30m1 stop

6:12 am - 12:45 pmSEA-DUB

22h 33m2 stops

$499American Airlines

Find Deal

Mon, Dec 22 - Sat, Jan 10

8:50 am - 4:55 pmDUB-SEA

16h 05m1 stop

1:35 pm - 2:15 pmSEA-DUB

16h 40m1 stop

$500British Airways

Find Deal

Wed, Jan 28 - Sat, Feb 7

5:15 pm - 11:45 amDUB-SEA

26h 30m1 stop

2:05 pm - 3:45 pmSEA-DUB

17h 40m1 stop

$506Multiple Airlines

Find Deal

Sun, Nov 16 - Sun, Nov 30

6:05 pm - 4:55 pmDUB-SEA

30h 50m2 stops

1:35 pm - 2:15 pmSEA-DUB

16h 40m1 stop

$515Multiple Airlines

Find Deal

Wed, Jan 28 - Sat, Feb 7

8:40 pm - 11:30 amDUB-SEA

22h 50m1 stop

6:50 pm - 5:25 pmSEA-DUB

14h 35m1 stop

$523British Airways

Find Deal

Thu, Dec 18 - Thu, Jan 8

4:30 pm - 6:20 pmDUB-SEA

9h 50mnonstop

8:05 pm - 1:10 pmSEA-DUB

9h 05mnonstop

$535Aer Lingus

Find Deal

Mon, Nov 17 - Mon, Dec 1

4:30 pm - 6:20 pmDUB-SEA

9h 50mnonstop

8:05 pm - 1:10 pmSEA-DUB

9h 05mnonstop

$543Aer Lingus

Find Deal

Wed, Nov 5 - Mon, Nov 10

Delta flights from Ireland to State of Washington

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

Delta

Oct 31

DUB5:55 amDublin

13h 50m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

Nov 14

SEA2:05 pmSeattle/Tacoma Intl

17h 40m

1 stop

DUB3:45 pmDublin

$505

Find similar

Delta

Oct 31

DUB5:55 amDublin

13h 50m

1 stop

SEA12:45 pmSeattle/Tacoma Intl

Nov 14

SEA2:05 pmSeattle/Tacoma Intl

17h 40m

1 stop

DUB3:45 pmDublin

$506

Find similar

Delta

Nov 5

DUB5:55 amDublin

13h 50m

1 stop

SEA11:45 amSeattle/Tacoma Intl

Nov 12

SEA2:05 pmSeattle/Tacoma Intl

17h 40m

1 stop

DUB3:45 pmDublin

$507

Find similar

British Airways flights from Ireland to State of Washington

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

British Airways

Jan 28

DUB8:50 amDublin

16h 05m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

Feb 7

SEA1:35 pmSeattle/Tacoma Intl

16h 40m

1 stop

DUB2:15 pmDublin

$500

Find similar

British Airways

Dec 18

DUB8:40 pmDublin

22h 50m

1 stop

SEA11:30 amSeattle/Tacoma Intl

Jan 8

SEA6:50 pmSeattle/Tacoma Intl

14h 35m

1 stop

DUB5:25 pmDublin

$523

Find similar

British Airways

Dec 18

DUB8:40 pmDublin

22h 50m

1 stop

SEA11:30 amSeattle/Tacoma Intl

Jan 5

SEA7:07 amSeattle/Tacoma Intl

18h 43m

2 stops

DUB9:50 amDublin

$527

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 2/5

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Wed 2/18

2:35 pm-10:15 am

1 stop11h 40m

$468

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 11/17

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Mon 12/1

2:35 pm-10:15 am

1 stop11h 40m

$473

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 12/22

4:00 pm-11:30 am

1 stop27h 30m

Seattle/Tacoma Intl

Tue 1/6

1:25 pm-12:10 pm

1 stop14h 45m

$497

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 12/22

4:00 pm-11:30 am

1 stop27h 30m

Seattle/Tacoma Intl

Sat 1/10

6:12 am-12:45 pm

2 stops22h 33m

$499

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 1/28

8:50 am-4:55 pm

1 stop16h 05m

Seattle/Tacoma Intl

Sat 2/7

1:35 pm-2:15 pm

1 stop16h 40m

$500

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 11/16

5:15 pm-11:45 am

1 stop26h 30m

Seattle/Tacoma Intl

Sun 11/30

2:05 pm-3:45 pm

1 stop17h 40m

$506

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 1/28

6:05 pm-4:55 pm

2 stops30h 50m

Seattle/Tacoma Intl

Sat 2/7

1:35 pm-2:15 pm

1 stop16h 40m

$515

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 12/18

8:40 pm-11:30 am

1 stop22h 50m

Seattle/Tacoma Intl

Thu 1/8

6:50 pm-5:25 pm

1 stop14h 35m

$523

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 11/17

4:30 pm-6:20 pm

Nonstop9h 50m

Seattle/Tacoma Intl

Mon 12/1

8:05 pm-1:10 pm

Nonstop9h 05m

$535

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 11/5

4:30 pm-6:20 pm

Nonstop9h 50m

Seattle/Tacoma Intl

Mon 11/10

8:05 pm-1:10 pm

Nonstop9h 05m

$543

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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 $613. If you aren’t able to travel to State of Washington during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $638.

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 $635. 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 $997.

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

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $750. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $771 on average. Flights to State of Washington from Ireland in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $715 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 $600 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 23% 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	$635
Fastest flight time	9h 39m
Direct flights	Mon, Tue, Thu and Sat
Airports in State of Washington	1 airport

The best one-way flight to State of Washington from Ireland in the past 72 hours is $635. The best round-trip flight deal from Ireland to State of Washington found on momondo in the last 72 hours is $567.

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

Direct flights go from Ireland to State of Washington on Monday, Tuesday, Thursday and Saturday. The only airline offering direct flights is Aer Lingus.

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 are refreshed on a daily basis.
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 October 2025.
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 (82.27% of total bookings). The next most popular plane models are Airbus A318/A319/A320/A321 (4.96%), Airbus A321-100/200 (2.84%), and Airbus A330-300 (2.84%).

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 $532	Free Cancellation	Rating 7.2 1,351 reviews	Search Aer Lingus flights
Icelandair	PriceFrom $556	Free Cancellation	Rating 7.1 561 reviews	Search Icelandair flights
American Airlines	PriceFrom $640	Free Cancellation	Rating 7.2 11,028 reviews	Search American Airlines 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.

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.

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Cheap flights from Ireland to Washington from $349

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 12/4. 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 and deals

Big names and deals

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Filter for what you want

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Find the cheapest flights from Ireland to Washington

Recent round-trip flight deals from Ireland to Washington

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Delta flights from Ireland to State of Washington

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

British Airways flights from Ireland to State of Washington

Our best British Airways 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

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?

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 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 23% 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?

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

What airlines fly to State of Washington?

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 October 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.

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

As of October 2025, 11 flights take off from Ireland and land in State of Washington each week. The most common flight departure day for this route is Thu, with 27% of weekly flights taking off on this day.

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 50m and 21h 22m, respectively.

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, 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

Popular cities in Washington

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