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

WestJet, JetBlue, 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 week?

As of February 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.

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 30m. Keep in mind that layovers or delays could extend your travel time.

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 February 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.

€222 Cheap Flights from Ireland to Washington in 2026

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Find the cheapest flights from Ireland to Washington

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Recent return flight deals from Ireland to Washington

Enter your travel dates to find the best prices.

09:30 - 19:36

DUB

SEA

18h 06m

1 stop

13:35 - 19:25

SEA

DUB

21h 50m

1 stop

€345Multiple Airlines

Fri, 17 Apr - Fri, 24 Apr

09:30 - 00:30

DUB

SEA

23h 00m

1 stop

13:46 - 11:50

SEA

DUB

14h 04m

1 stop

€347Finnair

Mon, 18 May - Thu, 28 May

09:30 - 19:36

DUB

SEA

18h 06m

1 stop

07:09 - 09:45

SEA

DUB

18h 36m

1 stop

€356Finnair

Thu, 9 Apr - Thu, 16 Apr

12:40 - 13:45

DUB

SEA

33h 05m

1 stop

15:55 - 18:20

SEA

DUB

18h 25m

1 stop

€389Scandinavian Airlines

Fri, 22 May - Sun, 31 May

19:50 - 13:45

DUB

SEA

25h 55m

2 stops

15:55 - 18:20

SEA

DUB

18h 25m

1 stop

€392Scandinavian Airlines

Fri, 22 May - Sun, 31 May

11:30 - 18:00

DUB

SEA

13h 30m

1 stop

15:35 - 10:15

SEA

DUB

11h 40m

1 stop

€404Icelandair

Mon, 9 Mar - Wed, 25 Mar

07:50 - 23:04

SNN

SEA

23h 14m

2 stops

13:37 - 16:45

SEA

SNN

44h 08m

2 stops

€589British Airways

Thu, 5 Mar - Mon, 9 Mar

11:30 - 17:00

DUB

PDX

13h 30m

1 stop

15:45 - 10:15

PDX

DUB

11h 30m

1 stop

€629Icelandair

Fri, 6 Mar - Tue, 10 Mar

21:15 - 11:35

SNN

SEA

22h 20m

1 stop

20:20 - 20:35

SEA

SNN

16h 15m

1 stop

€766British Airways

Tue, 7 Apr - Tue, 14 Apr

20:05 - 16:55

SNN

SEA

28h 50m

1 stop

19:50 - 11:30

SEA

SNN

32h 40m

1 stop

€840Aer Lingus

Thu, 5 Mar - Mon, 9 Mar

United Airlines flights from Ireland to State of Washington

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

United Airlines

7 Apr

SNN12:30Shannon

30h 09m

2 stops

SEA10:39Seattle/Tacoma Intl

14 Apr

SEA12:08Seattle/Tacoma Intl

14h 07m

1 stop

SNN10:15Shannon

€526

United Airlines

1 Mar

DUB09:00Dublin

21h 16m

1 stop

SEA22:16Seattle/Tacoma Intl

18 Mar

SEA07:00Seattle/Tacoma Intl

17h 30m

2 stops

DUB07:30Dublin

€598

United Airlines

1 Mar

DUB10:40Dublin

20h 03m

1 stop

SEA22:43Seattle/Tacoma Intl

16 Mar

SEA12:25Seattle/Tacoma Intl

14h 30m

1 stop

DUB09:55Dublin

€603

Air Canada flights from Ireland to State of Washington

Our best Air Canada deals on Ireland to State of Washington flight tickets

Air Canada

2 Mar

DUB09:00Dublin

21h 57m

2 stops

SEA22:57Seattle/Tacoma Intl

18 Mar

SEA20:00Seattle/Tacoma Intl

27h 10m

2 stops

DUB06:10Dublin

€588

Air Canada

8 Apr

ORK11:25Cork

19h 25m

3 stops

SEA22:50Seattle/Tacoma Intl

15 Apr

SEA08:00Seattle/Tacoma Intl

23h 10m

2 stops

ORK15:10Cork

€670

Fly from

Fly to

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 17/4

09:30-19:36

1 stop18h 06m

Seattle/Tacoma Intl

Fri 24/4

13:35-19:25

1 stop21h 50m

€345

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 18/5

09:30-00:30

1 stop23h 00m

Seattle/Tacoma Intl

Thu 28/5

13:46-11:50

1 stop14h 04m

€347

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 9/4

09:30-19:36

1 stop18h 06m

Seattle/Tacoma Intl

Thu 16/4

07:09-09:45

1 stop18h 36m

€356

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

12:40-13:45

1 stop33h 05m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:20

1 stop18h 25m

€389

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

19:50-13:45

2 stops25h 55m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:20

1 stop18h 25m

€392

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 9/3

11:30-18:00

1 stop13h 30m

Seattle/Tacoma Intl

Wed 25/3

15:35-10:15

1 stop11h 40m

€404

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Thu 5/3

07:50-23:04

2 stops23h 14m

Seattle/Tacoma Intl

Mon 9/3

13:37-16:45

2 stops44h 08m

€589

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 6/3

11:30-17:00

1 stop13h 30m

Portland

Tue 10/3

15:45-10:15

1 stop11h 30m

€629

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Tue 7/4

21:15-11:35

1 stop22h 20m

Seattle/Tacoma Intl

Tue 14/4

20:20-20:35

1 stop16h 15m

€766

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Thu 5/3

20:05-16:55

1 stop28h 50m

Seattle/Tacoma Intl

Mon 9/3

19:50-11:30

1 stop32h 40m

€840

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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 November is, on average, the cheapest month to fly to State of Washington from Ireland, with most prices found around €543. If you’re not able to fly to State of Washington in November, then September is your next best option. Flight prices from Ireland to State of Washington during September average around €558.

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 €633. 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 €823.

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 €623 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 €529 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 16% 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	€691
Fastest flight time	9h 45m
Direct flights	Every day
Airports in State of Washington	96 airports

The best flight deal from Ireland to State of Washington found on momondo in the last 72 hours is €691

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 February 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 90.80% of all bookings. The subsequent popular models are Airbus A330-300 at 4.40%, Airbus A330 at 1.60%, and Airbus A318/A319/A320/A321 at 1.20%.

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 €379	Free Cancellation	Rating 7.1 617 reviews		Search Icelandair flights
Aer Lingus	PriceFrom €466	Free Cancellation	Rating 7.2 1,460 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.

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Cheap flights from Ireland to Washington from €222

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 14/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Ireland to State of Washington

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

Air Canada flights from Ireland to State of Washington

Our best Air Canada deals on Ireland to State of Washington flight tickets

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See travel insights to Washington from

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 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

Best price found

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?

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

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