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 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 40m. 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 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.

€279 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

Direct

Recent return flight deals from Ireland to Washington

Enter your travel dates to find the best prices.

09:30 - 19:29

DUB

SEA

17h 59m

1 stop

07:09 - 09:45

SEA

DUB

18h 36m

1 stop

€348Finnair

Fri, 3 Apr - Thu, 16 Apr

09:30 - 19:36

DUB

SEA

18h 06m

1 stop

07:09 - 09:45

SEA

DUB

18h 36m

1 stop

€349Finnair

Thu, 9 Apr - Mon, 13 Apr

09:30 - 22:38

DUB

SEA

21h 08m

1 stop

13:35 - 09:40

SEA

DUB

12h 05m

1 stop

€350Multiple Airlines

Wed, 13 May - Sat, 6 Jun

14:15 - 20:40

DUB

SEA

14h 25m

1 stop

15:40 - 13:15

SEA

DUB

13h 35m

1 stop

€371Icelandair

Tue, 5 May - Fri, 29 May

19:05 - 13:45

DUB

SEA

26h 40m

1 stop

15:55 - 18:20

SEA

DUB

18h 25m

1 stop

€408Scandinavian Airlines

Fri, 22 May - Sun, 24 May

19:05 - 13:45

DUB

SEA

26h 40m

1 stop

15:55 - 19:05

SEA

DUB

19h 10m

2 stops

€414Scandinavian Airlines

Fri, 22 May - Sun, 24 May

10:50 - 16:30

ORK

SEA

13h 40m

1 stop

17:35 - 16:35

SEA

ORK

15h 00m

1 stop

€486Delta

Thu, 9 Apr - Thu, 16 Apr

10:50 - 16:30

ORK

SEA

13h 40m

1 stop

17:35 - 16:35

SEA

ORK

15h 00m

1 stop

€487Delta

Thu, 9 Apr - Thu, 16 Apr

13:00 - 13:50

DUB

PDX

32h 50m

1 stop

15:30 - 17:05

PDX

DUB

17h 35m

2 stops

€551Multiple Airlines

Tue, 28 Apr - Tue, 19 May

14:15 - 18:00

DUB

PDX

11h 45m

1 stop

15:30 - 13:15

PDX

DUB

13h 45m

1 stop

€632Icelandair

Mon, 13 Apr - Mon, 27 Apr

Finnair flights from Ireland to State of Washington

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

Finnair

3 Apr

DUB09:30Dublin

17h 59m

1 stop

SEA19:29Seattle/Tacoma Intl

16 Apr

SEA07:09Seattle/Tacoma Intl

18h 36m

1 stop

DUB09:45Dublin

€348

Finnair

9 Apr

DUB09:30Dublin

18h 06m

1 stop

SEA19:36Seattle/Tacoma Intl

13 Apr

SEA07:09Seattle/Tacoma Intl

18h 36m

1 stop

DUB09:45Dublin

€349

Finnair

18 May

DUB09:30Dublin

23h 06m

1 stop

SEA00:36Seattle/Tacoma Intl

28 May

SEA10:27Seattle/Tacoma Intl

17h 23m

1 stop

DUB11:50Dublin

€351

Scandinavian Airlines flights from Ireland to State of Washington

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

Scandinavian Airlines

22 May

DUB19:05Dublin

26h 40m

1 stop

SEA13:45Seattle/Tacoma Intl

24 May

SEA15:55Seattle/Tacoma Intl

18h 25m

1 stop

DUB18:20Dublin

€408

Scandinavian Airlines

22 May

DUB19:05Dublin

26h 40m

1 stop

SEA13:45Seattle/Tacoma Intl

24 May

SEA15:55Seattle/Tacoma Intl

19h 10m

2 stops

DUB19:05Dublin

€414

Scandinavian Airlines

29 May

DUB12:40Dublin

33h 05m

1 stop

SEA13:45Seattle/Tacoma Intl

12 Jun

SEA15:55Seattle/Tacoma Intl

33h 30m

1 stop

DUB09:25Dublin

€415

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 3/4

09:30-19:29

1 stop17h 59m

Seattle/Tacoma Intl

Thu 16/4

07:09-09:45

1 stop18h 36m

€348

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 9/4

09:30-19:36

1 stop18h 06m

Seattle/Tacoma Intl

Mon 13/4

07:09-09:45

1 stop18h 36m

€349

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 13/5

09:30-22:38

1 stop21h 08m

Seattle/Tacoma Intl

Sat 6/6

13:35-09:40

1 stop12h 05m

€350

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 5/5

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Fri 29/5

15:40-13:15

1 stop13h 35m

€371

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

19:05-13:45

1 stop26h 40m

Seattle/Tacoma Intl

Sun 24/5

15:55-18:20

1 stop18h 25m

€408

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 22/5

19:05-13:45

1 stop26h 40m

Seattle/Tacoma Intl

Sun 24/5

15:55-19:05

2 stops19h 10m

€414

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 9/4

10:50-16:30

1 stop13h 40m

Seattle/Tacoma Intl

Thu 16/4

17:35-16:35

1 stop15h 00m

€486

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 9/4

10:50-16:30

1 stop13h 40m

Seattle/Tacoma Intl

Thu 16/4

17:35-16:35

1 stop15h 00m

€487

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 28/4

13:00-13:50

1 stop32h 50m

Portland

Tue 19/5

15:30-17:05

2 stops17h 35m

€551

Fastest return journey

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

14:15-18:00

1 stop11h 45m

Portland

Mon 27/4

15:30-13:15

1 stop13h 45m

€632

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 €533. 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 €536.

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 €645. 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 €834.

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 €619 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 €536 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	€700
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 €700

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 89.33% of all bookings. The subsequent popular models are Airbus A330-300 at 5.93%, Airbus A330 at 1.98%, and Airbus A318/A319/A320/A321 at 0.79%.

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 €385	Free Cancellation	Rating 7.1 617 reviews		Search Icelandair flights
Aer Lingus	PriceFrom €473	Free Cancellation	Rating 7.2 1,471 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.