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

JetBlue, WestJet, 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 May 2026, there are 16 flights per week flying from Ireland to State of Washington. The most common day of the week flights depart is Tue, 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 23h 05m. 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 May 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 15:00, with 100% of daily flights taking off in the afternoon.

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 May 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.

€319 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 - 00:41

DUB

SEA

23h 11m

1 stop

10:27 - 11:50

SEA

DUB

17h 23m

1 stop

€486Finnair

Wed, 24 Jun - Tue, 30 Jun

09:30 - 00:41

DUB

SEA

23h 11m

1 stop

07:31 - 09:45

SEA

DUB

18h 14m

1 stop

€491Finnair

Sat, 6 Jun - Sun, 28 Jun

15:25 - 17:10

DUB

SEA

9h 45mdirect

19:10 - 12:15

SEA

DUB

9h 05mdirect

€512Aer Lingus

Tue, 2 Jun - Thu, 25 Jun

19:05 - 13:45

DUB

SEA

26h 40m

1 stop

15:55 - 18:20

SEA

DUB

18h 25m

1 stop

€512Scandinavian Airlines

Fri, 11 Sep - Sat, 19 Sep

15:25 - 17:10

DUB

SEA

9h 45mdirect

19:10 - 12:15

SEA

DUB

9h 05mdirect

€513Aer Lingus

Thu, 11 Jun - Sun, 21 Jun

20:25 - 11:35

DUB

SEA

23h 10m

1 stop

20:20 - 19:30

SEA

DUB

15h 10m

1 stop

€514British Airways

Tue, 23 Jun - Tue, 30 Jun

10:40 - 22:38

DUB

SEA

19h 58m

1 stop

23:55 - 08:20

SEA

DUB

24h 25m

1 stop

€516JetBlue

Thu, 10 Sep - Thu, 17 Sep

20:30 - 11:35

ORK

SEA

23h 05m

1 stop

15:05 - 23:50

SEA

ORK

24h 45m

2 stops

€646British Airways

Fri, 5 Jun - Mon, 8 Jun

10:40 - 13:05

DUB

PDX

34h 25m

1 stop

23:29 - 08:20

PDX

DUB

24h 51m

1 stop

€649JetBlue

Tue, 16 Jun - Mon, 29 Jun

19:50 - 16:55

DUB

GEG

29h 05m

3 stops

13:01 - 18:20

GEG

DUB

21h 19m

2 stops

€955Scandinavian Airlines

Thu, 30 Jul - Tue, 11 Aug

Finnair flights from Ireland to State of Washington

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

Finnair

24 Jun

DUB09:30Dublin

23h 11m

1 stop

SEA00:41Seattle/Tacoma Intl

30 Jun

SEA10:27Seattle/Tacoma Intl

17h 23m

1 stop

DUB11:50Dublin

€486

Finnair

16 May

DUB09:30Dublin

21h 08m

1 stop

SEA22:38Seattle/Tacoma Intl

30 May

SEA07:31Seattle/Tacoma Intl

18h 14m

1 stop

DUB09:45Dublin

€490

Finnair

6 Jun

DUB09:30Dublin

23h 11m

1 stop

SEA00:41Seattle/Tacoma Intl

28 Jun

SEA07:31Seattle/Tacoma Intl

18h 14m

1 stop

DUB09:45Dublin

€491

Delta flights from Ireland to State of Washington

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

Delta

16 May

DUB05:55Dublin

13h 47m

1 stop

SEA11:42Seattle/Tacoma Intl

30 May

SEA10:35Seattle/Tacoma Intl

22h 05m

2 stops

DUB16:40Dublin

€533

Delta

21 May

DUB11:10Dublin

13h 20m

1 stop

SEA16:30Seattle/Tacoma Intl

28 May

SEA12:00Seattle/Tacoma Intl

16h 40m

2 stops

DUB12:40Dublin

€534

Delta

5 Jun

DUB05:55Dublin

21h 08m

2 stops

SEA19:03Seattle/Tacoma Intl

16 Jun

SEA06:00Seattle/Tacoma Intl

18h 45m

1 stop

DUB08:45Dublin

€535

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 24/6

09:30-00:41

1 stop23h 11m

Seattle/Tacoma Intl

Tue 30/6

10:27-11:50

1 stop17h 23m

€486

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 6/6

09:30-00:41

1 stop23h 11m

Seattle/Tacoma Intl

Sun 28/6

07:31-09:45

1 stop18h 14m

€491

Fastest return journey

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/6

15:25-17:10

Nonstop9h 45m

Seattle/Tacoma Intl

Thu 25/6

19:10-12:15

Nonstop9h 05m

€512

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 11/9

19:05-13:45

1 stop26h 40m

Seattle/Tacoma Intl

Sat 19/9

15:55-18:20

1 stop18h 25m

€512

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 11/6

15:25-17:10

Nonstop9h 45m

Seattle/Tacoma Intl

Sun 21/6

19:10-12:15

Nonstop9h 05m

€513

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 23/6

20:25-11:35

1 stop23h 10m

Seattle/Tacoma Intl

Tue 30/6

20:20-19:30

1 stop15h 10m

€514

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 10/9

10:40-22:38

1 stop19h 58m

Seattle/Tacoma Intl

Thu 17/9

23:55-08:20

1 stop24h 25m

€516

CorkSeattle

ORK - SEA

ORKSEA

Cork

Fri 5/6

20:30-11:35

1 stop23h 05m

Seattle/Tacoma Intl

Mon 8/6

15:05-23:50

2 stops24h 45m

€646

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 16/6

10:40-13:05

1 stop34h 25m

Portland

Mon 29/6

23:29-08:20

1 stop24h 51m

€649

DublinSpokane

DUB - GEG

DUBGEG

Dublin

Thu 30/7

19:50-16:55

3 stops29h 05m

Spokane

Tue 11/8

13:01-18:20

2 stops21h 19m

€955

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 September is, on average, the cheapest month to fly to State of Washington from Ireland, with most prices found around €365. If you’re not able to fly to State of Washington in September, then August is your next best option. Flight prices from Ireland to State of Washington during August average around €366.

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 Sunday when prices can be found for as low as €693. 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 €825.

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 €613 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 €472 on momondo.

Can stopping save me money on Ireland to State of Washington flights?

You could potentially save up to 3% 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	€647
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 €647

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

Frequently asked questions about flying from Ireland to Washington

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 May 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 70.45% of all bookings. The subsequent popular models are Airbus A330-300 at 11.93%, Airbus A318/A319/A320/A321 at 3.41%, and Airbus A330 at 3.41%.

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 €381	Free Cancellation	Rating 7.0 654 reviews		Search Icelandair flights
Aer Lingus	PriceFrom €465	Free Cancellation	Rating 7.3 1,558 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.