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Cheap flights from Washington to Ireland from €246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Ireland departing on 5/12. 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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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
14:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 17:00DUB-PDX
13h 30m1 stop
€326Icelandair
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Mon, 8 Dec - Mon, 15 Dec
Icelandair Logo
15:45 - 10:15PDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 - 18:00DUB-PDX
13h 30m1 stop
€340Icelandair
Find Deal
Thu, 12 Mar - Mon, 23 Mar
American Airlines Logo
18:50 - 17:45SEA-DUB
14h 55m1 stop
American Airlines Logo
08:45 - 16:55DUB-SEA
16h 10m1 stop
€360American Airlines
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Wed, 7 Jan - Thu, 15 Jan
Aer Lingus Logo
20:05 - 13:10SEA-DUB
9h 05mdirect
Aer Lingus Logo
16:30 - 18:20DUB-SEA
9h 50mdirect
€361Aer Lingus
Find Deal
Wed, 3 Dec - Wed, 10 Dec
American Airlines Logo
18:50 - 17:45SEA-DUB
14h 55m1 stop
American Airlines Logo
11:30 - 21:50DUB-SEA
18h 20m1 stop
€362American Airlines
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Tue, 2 Dec - Fri, 12 Dec
British Airways Logo
14:13 - 17:00PDX-DUB
18h 47m2 stops
British Airways Logo
08:50 - 20:27DUB-PDX
19h 37m2 stops
€369British Airways
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Wed, 4 Feb - Wed, 11 Feb
British Airways Logo
18:50 - 07:55SEA-DUB
29h 05m1 stop
British Airways Logo
20:40 - 17:55DUB-SEA
28h 15m1 stop
€373British Airways
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Wed, 4 Mar - Wed, 11 Mar
Delta Logo
06:00 - 07:45SEA-DUB
17h 45m1 stop
Delta Logo
09:45 - 20:35DUB-SEA
18h 50m1 stop
€374Delta
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Tue, 2 Dec - Tue, 16 Dec
Delta Logo
06:56 - 07:45PDX-DUB
16h 49m1 stop
Delta Logo
09:45 - 19:18DUB-PDX
16h 33m1 stop
€374Delta
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Sun, 1 Mar - Tue, 10 Mar
Aer Lingus Logo
20:05 - 13:10SEA-DUB
9h 05mdirect
Aer Lingus Logo
16:30 - 19:20DUB-SEA
9h 50mdirect
€384Aer Lingus
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Wed, 4 Mar - Fri, 13 Mar

Icelandair flights from State of Washington to Ireland

Our best Icelandair deals on State of Washington to Ireland flight tickets
Icelandair
17 Nov
PDX14:45Portland
11h 30m
1 stop
DUB10:15Dublin
3 Dec
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland
€325
Find similar
Icelandair
8 Dec
PDX14:45Portland
11h 30m
1 stop
DUB10:15Dublin
15 Dec
DUB11:30Dublin
13h 30m
1 stop
PDX17:00Portland
€326
Find similar
Icelandair
12 Mar
PDX15:45Portland
11h 30m
1 stop
DUB10:15Dublin
23 Mar
DUB11:30Dublin
13h 30m
1 stop
PDX18:00Portland
€340
Find similar

American Airlines flights from State of Washington to Ireland

Our best American Airlines deals on State of Washington to Ireland flight tickets
American Airlines
7 Jan
SEA18:50Seattle/Tacoma Intl
14h 55m
1 stop
DUB17:45Dublin
15 Jan
DUB08:45Dublin
16h 10m
1 stop
SEA16:55Seattle/Tacoma Intl
€360
Find similar
American Airlines
2 Dec
SEA18:50Seattle/Tacoma Intl
14h 55m
1 stop
DUB17:45Dublin
12 Dec
DUB11:30Dublin
18h 20m
1 stop
SEA21:50Seattle/Tacoma Intl
€362
Find similar
American Airlines
7 Jan
SEA18:50Seattle/Tacoma Intl
12h 50m
1 stop
DUB15:40Dublin
15 Jan
DUB11:30Dublin
18h 50m
2 stops
SEA22:20Seattle/Tacoma Intl
€367
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momondo Fare Finder

 
Customise your flight search to find flights from State of Washington to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 9 November 2025.
Use the filters below to find and compare flights from Washington to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 8/12

14:45-10:15

1 stop11h 30m

Dublin

Mon 15/12

11:30-17:00

1 stop13h 30m

€326

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 12/3

15:45-10:15

1 stop11h 30m

Dublin

Mon 23/3

11:30-18:00

1 stop13h 30m

€340

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 7/1

18:50-17:45

1 stop14h 55m

Dublin

Thu 15/1

08:45-16:55

1 stop16h 10m

€360

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 3/12

20:05-13:10

Nonstop9h 05m

Dublin

Wed 10/12

16:30-18:20

Nonstop9h 50m

€361

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/12

18:50-17:45

1 stop14h 55m

Dublin

Fri 12/12

11:30-21:50

1 stop18h 20m

€362

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 4/2

14:13-17:00

2 stops18h 47m

Dublin

Wed 11/2

08:50-20:27

2 stops19h 37m

€369

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/3

18:50-07:55

1 stop29h 05m

Dublin

Wed 11/3

20:40-17:55

1 stop28h 15m

€373

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/12

06:00-07:45

1 stop17h 45m

Dublin

Tue 16/12

09:45-20:35

1 stop18h 50m

€374

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 1/3

06:56-07:45

1 stop16h 49m

Dublin

Tue 10/3

09:45-19:18

1 stop16h 33m

€374

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 4/3

20:05-13:10

Nonstop9h 05m

Dublin

Fri 13/3

16:30-19:20

Nonstop9h 50m

€384

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from State of Washington to Ireland

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

What is the cheapest month to fly to Ireland?

The month of November is another great option to travel to Ireland, with average flight prices from State of Washington averaging around €440.

What is the cheapest Washington to Ireland flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Washington - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €571 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from State of Washington for as low as €511 on momondo.

What cabin class options are available on Washington to Ireland flights?

There is only 1 cabin class available to choose from on Washington to Ireland 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 State of Washington to Ireland flights?

You could potentially save up to 25% on your flight if you consider stops on a State of Washington to Ireland flight.

Cheap State of Washington to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Ireland

Fastest flight time

9h 00m

Direct flights

Every day

Airports in Ireland

1 airport
The fastest flight from State of Washington to Ireland takes 9h 00m
Direct flights go from State of Washington to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
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  • When did momondo last update prices for flights from Washington to Ireland?

    Prices for flights from Washington to Ireland are refreshed on a daily basis.

  • How old do you have to be to fly from Washington to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from State of Washington to Ireland?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Ireland?

It is quick and easy to find Washington to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Washington to Ireland with flexible booking policies on momondo?

Yes. All flights to Ireland from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Ireland?

Once you have performed a search for Washington to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington to Ireland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from Washington and alert you when they change.

An easier way to manage your Ireland 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.
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