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 45m on average. Another popular route from Ireland to State of Washington is flying from Cork to Seattle, which will take roughly 13h 18m. Keep in mind that layovers or delays could extend your travel time.

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

As of March 2026, 2 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.

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

WestJet, JetBlue, and Aer Lingus 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, there are 16 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 March 2026.

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.

€306 Cheap Flights from Ireland to Washington in 2026

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Find the cheapest flights from Ireland to Washington

Round-trip

One-way

Last minute

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Recent return flight deals from Ireland to Washington

Enter your travel dates to find the best prices.

14:15 - 17:55

DUB

SEA

11h 40m

1 stop

15:40 - 11:05

SEA

DUB

11h 25m

1 stop

€455Icelandair

Tue, 5 May - Sat, 30 May

14:15 - 20:40

DUB

SEA

14h 25m

1 stop

15:40 - 11:05

SEA

DUB

11h 25m

1 stop

€461Icelandair

Tue, 5 May - Sat, 30 May

14:15 - 20:40

DUB

SEA

14h 25m

1 stop

15:40 - 13:15

SEA

DUB

13h 35m

1 stop

€467Icelandair

Thu, 21 May - Fri, 29 May

12:40 - 13:45

DUB

SEA

33h 05m

1 stop

15:55 - 09:25

SEA

DUB

33h 30m

1 stop

€476Scandinavian Airlines

Fri, 22 May - Fri, 29 May

19:50 - 13:45

DUB

SEA

25h 55m

2 stops

15:55 - 18:20

SEA

DUB

18h 25m

1 stop

€477Scandinavian Airlines

Fri, 22 May - Sat, 30 May

17:10 - 16:30

ORK

SEA

31h 20m

1 stop

13:30 - 14:25

SEA

ORK

16h 55m

1 stop

€537Multiple Airlines

Thu, 21 May - Sat, 30 May

06:15 - 16:30

ORK

SEA

18h 15m

1 stop

07:30 - 10:20

SEA

ORK

18h 50m

2 stops

€541Delta

Thu, 21 May - Fri, 29 May

06:15 - 16:37

ORK

SEA

18h 22m

2 stops

13:30 - 14:25

SEA

ORK

16h 55m

1 stop

€542Delta

Fri, 22 May - Sat, 30 May

13:00 - 09:30

DUB

PDX

28h 30m

3 stops

15:30 - 10:50

PDX

DUB

35h 20m

3 stops

€679Multiple Airlines

Wed, 20 May - Wed, 27 May

16:50 - 17:10

SNN

SEA

32h 20m

2 stops

13:30 - 20:35

SEA

SNN

23h 05m

1 stop

€799Aer Lingus

Mon, 27 Apr - Mon, 4 May

British Airways flights from Ireland to State of Washington

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

British Airways

18 May

DUB12:50Dublin

13h 35m

1 stop

SEA18:25Seattle/Tacoma Intl

28 May

SEA13:30Seattle/Tacoma Intl

12h 10m

1 stop

DUB09:40Dublin

€512

British Airways

20 May

DUB19:45Dublin

23h 50m

1 stop

SEA11:35Seattle/Tacoma Intl

30 May

SEA13:30Seattle/Tacoma Intl

16h 55m

1 stop

DUB14:25Dublin

€517

British Airways

18 May

DUB17:15Dublin

26h 20m

1 stop

SEA11:35Seattle/Tacoma Intl

28 May

SEA20:20Seattle/Tacoma Intl

34h 10m

1 stop

DUB14:30Dublin

€518

Icelandair flights from Ireland to State of Washington

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

Icelandair

5 May

DUB14:15Dublin

11h 40m

1 stop

SEA17:55Seattle/Tacoma Intl

30 May

SEA15:40Seattle/Tacoma Intl

11h 25m

1 stop

DUB11:05Dublin

€455

Icelandair

5 May

DUB14:15Dublin

14h 25m

1 stop

SEA20:40Seattle/Tacoma Intl

30 May

SEA15:40Seattle/Tacoma Intl

11h 25m

1 stop

DUB11:05Dublin

€461

Icelandair

21 May

DUB14:15Dublin

14h 25m

1 stop

SEA20:40Seattle/Tacoma Intl

29 May

SEA15:40Seattle/Tacoma Intl

13h 35m

1 stop

DUB13:15Dublin

€467

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 5/5

14:15-17:55

1 stop11h 40m

Seattle/Tacoma Intl

Sat 30/5

15:40-11:05

1 stop11h 25m

€455

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 5/5

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Sat 30/5

15:40-11:05

1 stop11h 25m

€461

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 21/5

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Fri 29/5

15:40-13:15

1 stop13h 35m

€467

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

12:40-13:45

1 stop33h 05m

Seattle/Tacoma Intl

Fri 29/5

15:55-09:25

1 stop33h 30m

€476

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

19:50-13:45

2 stops25h 55m

Seattle/Tacoma Intl

Sat 30/5

15:55-18:20

1 stop18h 25m

€477

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 21/5

17:10-16:30

1 stop31h 20m

Seattle/Tacoma Intl

Sat 30/5

13:30-14:25

1 stop16h 55m

€537

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 21/5

06:15-16:30

1 stop18h 15m

Seattle/Tacoma Intl

Fri 29/5

07:30-10:20

2 stops18h 50m

€541

CorkSeattle

ORK - SEA

ORKSEA

Cork

Fri 22/5

06:15-16:37

2 stops18h 22m

Seattle/Tacoma Intl

Sat 30/5

13:30-14:25

1 stop16h 55m

€542

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 20/5

13:00-09:30

3 stops28h 30m

Portland

Wed 27/5

15:30-10:50

3 stops35h 20m

€679

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Mon 27/4

16:50-17:10

2 stops32h 20m

Seattle/Tacoma Intl

Mon 4/5

13:30-20:35

1 stop23h 05m

€799

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 €538. If you’re not able to fly to State of Washington in February, then September is your next best option. Flight prices from Ireland to State of Washington during September average around €541.

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 €651. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around €846.

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 €625 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 €541 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?

No. A direct flight is the cheapest option for a flight between 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

Fastest flight time	9h 45m
Direct flights	Every day
Airports in State of Washington	96 airports

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 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 March 2026.
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 88.08% of all bookings. The subsequent popular models are Airbus A330-300 at 6.92%, Airbus A330 at 2.31%, and Airbus A318/A319/A320/A321 at 0.77%.

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 €388	Free Cancellation	Rating 7.0 627 reviews		Search Icelandair flights
Aer Lingus	PriceFrom €474	Free Cancellation	Rating 7.2 1,493 reviews		Search Aer Lingus 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.