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 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 27m. 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, 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 March 2026, there are 8 flights per week flying from Ireland to State of Washington. The most common day of the week flights depart is Fri, with 50% 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.

€249 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.

14:15 - 20:40

DUB

SEA

14h 25m

1 stop

15:40 - 13:15

SEA

DUB

13h 35m

1 stop

€432Icelandair

Thu, 16 Apr - Wed, 29 Apr

14:15 - 17:55

DUB

SEA

11h 40m

1 stop

19:00 - 11:05

SEA

DUB

32h 05m

1 stop

€440Icelandair

Thu, 9 Apr - Wed, 22 Apr

14:15 - 20:40

DUB

SEA

14h 25m

1 stop

15:40 - 11:05

SEA

DUB

11h 25m

1 stop

€442Icelandair

Tue, 21 Apr - Tue, 28 Apr

14:15 - 20:40

DUB

SEA

14h 25m

1 stop

15:40 - 11:05

SEA

DUB

11h 25m

1 stop

€445Icelandair

Tue, 5 May - Sat, 30 May

12:40 - 13:45

DUB

SEA

33h 05m

1 stop

15:55 - 09:25

SEA

DUB

33h 30m

1 stop

€461Scandinavian Airlines

Fri, 22 May - Fri, 29 May

06:15 - 16:30

ORK

SEA

18h 15m

1 stop

17:35 - 10:20

SEA

ORK

32h 45m

1 stop

€533KLM

Thu, 9 Apr - Thu, 16 Apr

06:15 - 16:30

ORK

SEA

18h 15m

1 stop

09:00 - 10:20

SEA

ORK

17h 20m

2 stops

€535Delta

Thu, 2 Apr - Mon, 6 Apr

06:15 - 11:45

ORK

SEA

13h 30m

1 stop

13:45 - 10:20

SEA

ORK

12h 35m

1 stop

€536Delta

Thu, 2 Apr - Mon, 6 Apr

06:15 - 14:58

ORK

SEA

16h 43m

2 stops

17:35 - 10:20

SEA

ORK

32h 45m

1 stop

€545KLM

Thu, 9 Apr - Thu, 16 Apr

21:15 - 11:35

SNN

SEA

22h 20m

1 stop

19:10 - 20:35

SEA

SNN

17h 25m

2 stops

€760Aer Lingus

Mon, 4 May - Mon, 11 May

Finnair flights from Ireland to State of Washington

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

Finnair

2 Jun

DUB09:40Dublin

14h 20m

1 stop

SEA16:00Seattle/Tacoma Intl

16 Jun

SEA17:40Seattle/Tacoma Intl

15h 35m

1 stop

DUB17:15Dublin

€506

Finnair

5 May

DUB09:40Dublin

14h 20m

1 stop

SEA16:00Seattle/Tacoma Intl

12 May

SEA07:10Seattle/Tacoma Intl

18h 35m

1 stop

DUB09:45Dublin

€509

Finnair

3 Apr

DUB09:30Dublin

17h 59m

1 stop

SEA19:29Seattle/Tacoma Intl

19 Apr

SEA07:09Seattle/Tacoma Intl

18h 36m

1 stop

DUB09:45Dublin

€512

British Airways flights from Ireland to State of Washington

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

British Airways

13 Apr

DUB20:30Dublin

23h 05m

1 stop

SEA11:35Seattle/Tacoma Intl

21 Apr

SEA13:19Seattle/Tacoma Intl

17h 16m

2 stops

DUB14:35Dublin

€512

British Airways

13 Apr

DUB20:30Dublin

23h 05m

1 stop

SEA11:35Seattle/Tacoma Intl

23 Apr

SEA20:20Seattle/Tacoma Intl

15h 00m

1 stop

DUB19:20Dublin

€513

British Airways

18 May

DUB12:50Dublin

30h 45m

1 stop

SEA11:35Seattle/Tacoma Intl

28 May

SEA13:30Seattle/Tacoma Intl

21h 50m

1 stop

DUB19:20Dublin

€513

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 16/4

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Wed 29/4

15:40-13:15

1 stop13h 35m

€432

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 9/4

14:15-17:55

1 stop11h 40m

Seattle/Tacoma Intl

Wed 22/4

19:00-11:05

1 stop32h 05m

€440

Fastest return journey

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 21/4

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Tue 28/4

15:40-11:05

1 stop11h 25m

€442

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

€445

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

€461

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 9/4

06:15-16:30

1 stop18h 15m

Seattle/Tacoma Intl

Thu 16/4

17:35-10:20

1 stop32h 45m

€533

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 2/4

06:15-16:30

1 stop18h 15m

Seattle/Tacoma Intl

Mon 6/4

09:00-10:20

2 stops17h 20m

€535

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 2/4

06:15-11:45

1 stop13h 30m

Seattle/Tacoma Intl

Mon 6/4

13:45-10:20

1 stop12h 35m

€536

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 9/4

06:15-14:58

2 stops16h 43m

Seattle/Tacoma Intl

Thu 16/4

17:35-10:20

1 stop32h 45m

€545

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Mon 4/5

21:15-11:35

1 stop22h 20m

Seattle/Tacoma Intl

Mon 11/5

19:10-20:35

2 stops17h 25m

€760

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 €535. 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 €538.

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 €647. 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 €838.

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 €622 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 €538 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

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 87.75% of all bookings. The subsequent popular models are Airbus A330-300 at 7.11%, Airbus A330 at 2.37%, 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 €386	Free Cancellation	Rating 7.0 625 reviews		Search Icelandair flights
Aer Lingus	PriceFrom €472	Free Cancellation	Rating 7.2 1,484 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.