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

WestJet, Aer Lingus, and British Airways are the most popular carriers operating from Ireland to 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 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 Shannon to Seattle, which will take roughly 15h 45m. Keep in mind that layovers or delays could extend your travel time.

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 57% 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.

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.

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.

€287 Cheap Flights from Ireland to Washington in 2025/26

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Recent return flight deals from Ireland to Washington

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11:30 - 17:00DUB-SEA

13h 30m1 stop

14:35 - 10:15SEA-DUB

11h 40m1 stop

€348Icelandair

Find Deal

Tue, 24 Feb - Tue, 3 Mar

11:30 - 17:00DUB-SEA

13h 30m1 stop

14:35 - 10:15SEA-DUB

11h 40m1 stop

€350Icelandair

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Mon, 26 Jan - Sun, 8 Feb

20:30 - 11:35ORK-SEA

23h 05m1 stop

13:35 - 15:10SEA-ORK

17h 35m1 stop

€614British Airways

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Thu, 9 Apr - Thu, 16 Apr

07:50 - 16:55SNN-SEA

17h 05m1 stop

08:04 - 16:45SEA-SNN

24h 41m2 stops

€614American Airlines

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Wed, 28 Jan - Sun, 1 Feb

07:50 - 14:34SNN-SEA

38h 44m2 stops

08:04 - 19:25SEA-SNN

27h 21m2 stops

€615British Airways

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Wed, 28 Jan - Sun, 1 Feb

16:05 - 17:00ORK-SEA

32h 55m2 stops

14:35 - 23:25SEA-ORK

24h 50m2 stops

€618Multiple Airlines

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Mon, 12 Jan - Mon, 19 Jan

11:15 - 20:43DUB-PDX

17h 28m1 stop

07:05 - 08:40PDX-DUB

17h 35m1 stop

€621Multiple Airlines

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Tue, 13 Jan - Tue, 20 Jan

09:50 - 22:56DUB-PDX

21h 06m2 stops

19:40 - 07:45PDX-DUB

28h 05m2 stops

€626Air Canada

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Mon, 4 May - Thu, 14 May

09:50 - 09:15DUB-PDX

31h 25m2 stops

19:00 - 08:15PDX-DUB

29h 15m2 stops

€631Air Canada

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Wed, 1 Apr - Sat, 11 Apr

07:50 - 15:55SNN-PDX

16h 05m1 stop

17:45 - 11:30PDX-SNN

33h 45m1 stop

€793American Airlines

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Wed, 11 Feb - Sun, 15 Feb

Icelandair flights from Ireland to State of Washington

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

Icelandair

24 Feb

DUB11:30Dublin

13h 30m

1 stop

SEA17:00Seattle/Tacoma Intl

3 Mar

SEA14:35Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15Dublin

€348

Find similar

Icelandair

26 Jan

DUB11:30Dublin

13h 30m

1 stop

SEA17:00Seattle/Tacoma Intl

8 Feb

SEA14:35Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15Dublin

€350

Find similar

Icelandair

24 Feb

DUB11:30Dublin

13h 30m

1 stop

SEA17:00Seattle/Tacoma Intl

3 Mar

SEA14:35Seattle/Tacoma Intl

11h 40m

1 stop

DUB10:15Dublin

€358

Find similar

Iberia flights from Ireland to State of Washington

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

Iberia

30 Mar

DUB12:40Dublin

16h 36m

1 stop

SEA21:16Seattle/Tacoma Intl

8 Apr

SEA10:01Seattle/Tacoma Intl

15h 44m

1 stop

DUB09:45Dublin

€433

Find similar

Iberia

12 Dec

DUB06:15Dublin

22h 20m

2 stops

SEA20:35Seattle/Tacoma Intl

27 Dec

SEA00:59Seattle/Tacoma Intl

22h 11m

1 stop

DUB07:10Dublin

€932

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Fly from

Fly to

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 24/2

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Tue 3/3

14:35-10:15

1 stop11h 40m

€348

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 26/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 8/2

14:35-10:15

1 stop11h 40m

€350

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 9/4

20:30-11:35

1 stop23h 05m

Seattle/Tacoma Intl

Thu 16/4

13:35-15:10

1 stop17h 35m

€614

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 28/1

07:50-16:55

1 stop17h 05m

Seattle/Tacoma Intl

Sun 1/2

08:04-16:45

2 stops24h 41m

€614

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 28/1

07:50-14:34

2 stops38h 44m

Seattle/Tacoma Intl

Sun 1/2

08:04-19:25

2 stops27h 21m

€615

CorkSeattle

ORK - SEA

ORKSEA

Cork

Mon 12/1

16:05-17:00

2 stops32h 55m

Seattle/Tacoma Intl

Mon 19/1

14:35-23:25

2 stops24h 50m

€618

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 13/1

11:15-20:43

1 stop17h 28m

Portland

Tue 20/1

07:05-08:40

1 stop17h 35m

€621

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 4/5

09:50-22:56

2 stops21h 06m

Portland

Thu 14/5

19:40-07:45

2 stops28h 05m

€626

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 1/4

09:50-09:15

2 stops31h 25m

Portland

Sat 11/4

19:00-08:15

2 stops29h 15m

€631

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 11/2

07:50-15:55

1 stop16h 05m

Portland

Sun 15/2

17:45-11:30

1 stop33h 45m

€793

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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 €529. 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 €551.

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 €644. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around €806.

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 €574. 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 €615 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 €518 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	€515
Fastest flight time	9h 39m
Direct flights	Every day
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 €515

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

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

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 80.99% of all bookings. The subsequent popular models are Airbus A318/A319/A320/A321 at 7.75%, Airbus A321-100/200 at 2.82%, and Airbus A330-300 at 2.82%.

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 €401	Free Cancellation	Rating 7.0 582 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €480	Free Cancellation	Rating 7.2 1,382 reviews	Search Aer Lingus flights
British Airways	PriceFrom €506	Free Cancellation	Rating 6.7 7,544 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.

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Cheap flights from Ireland to Washington from €287

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 1/5. 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

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Find the cheapest flights from Ireland to Washington

Recent return flight deals from Ireland to Washington

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Icelandair flights from Ireland to State of Washington

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

Iberia flights from Ireland to State of Washington

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

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 €574. 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 British Airways 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