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Cheap flights from Washington to Ireland from €148

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 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Washington to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:45 - 10:20
SEA
-
ORK
32h 35m
1 stop
KLM Logo
10:50 - 11:37
ORK
-
SEA
32h 47m
1 stop
€614KLM
Tue, 18 Aug - Tue, 25 Aug
Delta Logo
11:05 - 14:40
SEA
-
ORK
19h 35m
2 stops
Delta Logo
06:15 - 11:37
ORK
-
SEA
13h 22m
1 stop
€615Delta
Tue, 18 Aug - Tue, 25 Aug
KLM Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
KLM Logo
05:45 - 16:35
ORK
-
SEA
18h 50m
2 stops
€619KLM
Tue, 13 Oct - Mon, 2 Nov
United Airlines Logo
11:30 - 08:10
GEG
-
DUB
12h 40m
1 stop
United Airlines Logo
09:00 - 12:18
DUB
-
GEG
35h 18m
2 stops
€630United Airlines
Wed, 11 Nov - Wed, 18 Nov
United Airlines Logo
05:00 - 07:30
GEG
-
DUB
18h 30m
2 stops
United Airlines Logo
09:00 - 21:05
DUB
-
GEG
44h 05m
2 stops
€634United Airlines
Wed, 11 Nov - Wed, 18 Nov
Lufthansa Logo
15:30 - 07:45
PDX
-
DUB
32h 15m
2 stops
Lufthansa Logo
06:00 - 19:06
DUB
-
PDX
21h 06m
2 stops
€644Lufthansa
Sun, 27 Sep - Thu, 8 Oct
Multiple Airlines Logo
19:10 - 07:10
PDX
-
DUB
28h 00m
2 stops
Multiple Airlines Logo
05:10 - 20:46
DUB
-
PDX
23h 36m
2 stops
€645Multiple Airlines
Tue, 3 Nov - Tue, 17 Nov
Multiple Airlines Logo
19:05 - 09:15
PDX
-
DUB
30h 10m
3 stops
Multiple Airlines Logo
10:40 - 13:50
DUB
-
PDX
35h 10m
2 stops
€645Multiple Airlines
Fri, 4 Sep - Thu, 10 Sep
Icelandair Logo
19:05 - 11:05
PDX
-
DUB
32h 00m
1 stop
Icelandair Logo
12:15 - 17:55
DUB
-
PDX
13h 40m
1 stop
€648Icelandair
Fri, 14 Aug - Fri, 28 Aug
Lufthansa Logo
15:30 - 07:45
PDX
-
DUB
32h 15m
2 stops
Lufthansa Logo
09:50 - 19:06
DUB
-
PDX
17h 16m
1 stop
€649Lufthansa
Sun, 20 Sep - Fri, 2 Oct

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Lufthansa flights from State of Washington to Ireland

Our best Lufthansa deals on State of Washington to Ireland flight tickets
Lufthansa
27 Sept
PDX15:30Portland
32h 15m
2 stops
DUB07:45Dublin
8 Oct
DUB06:00Dublin
21h 06m
2 stops
PDX19:06Portland
€644
Lufthansa
20 Sept
PDX15:30Portland
32h 15m
2 stops
DUB07:45Dublin
2 Oct
DUB09:50Dublin
17h 16m
1 stop
PDX19:06Portland
€649
Lufthansa
21 Aug
PDX15:30Portland
56h 15m
2 stops
DUB07:45Dublin
4 Sept
DUB09:50Dublin
17h 21m
1 stop
PDX19:11Portland
€678

Scandinavian Airlines flights from State of Washington to Ireland

Our best Scandinavian Airlines deals on State of Washington to Ireland flight tickets
Scandinavian Airlines
11 Nov
SEA09:50Seattle/Tacoma Intl
24h 30m
2 stops
DUB18:20Dublin
18 Nov
DUB19:05Dublin
35h 06m
2 stops
SEA22:11Seattle/Tacoma Intl
€759
Scandinavian Airlines
3 Sept
SEA09:10Seattle/Tacoma Intl
25h 10m
2 stops
DUB18:20Dublin
12 Sept
DUB20:00Dublin
25h 45m
2 stops
SEA13:45Seattle/Tacoma Intl
€767
Scandinavian Airlines
29 Jun
PDX07:01Portland
28h 04m
2 stops
DUB19:05Dublin
30 Jul
DUB19:50Dublin
29h 16m
3 stops
PDX17:06Portland
€2,134

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 27 June 2026.
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

Cheapest return flight

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 18/8

17:45-10:20

1 stop32h 35m

Cork

Tue 25/8

10:50-11:37

1 stop32h 47m

€614
Fastest return journey

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 18/8

11:05-14:40

2 stops19h 35m

Cork

Tue 25/8

06:15-11:37

1 stop13h 22m

€615

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 13/10

13:30-14:40

1 stop17h 10m

Cork

Mon 2/11

05:45-16:35

2 stops18h 50m

€619

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 11/11

11:30-08:10

1 stop12h 40m

Dublin

Wed 18/11

09:00-12:18

2 stops35h 18m

€630

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 11/11

05:00-07:30

2 stops18h 30m

Dublin

Wed 18/11

09:00-21:05

2 stops44h 05m

€634

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 27/9

15:30-07:45

2 stops32h 15m

Dublin

Thu 8/10

06:00-19:06

2 stops21h 06m

€644

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 3/11

19:10-07:10

2 stops28h 00m

Dublin

Tue 17/11

05:10-20:46

2 stops23h 36m

€644

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 4/9

19:05-09:15

3 stops30h 10m

Dublin

Thu 10/9

10:40-13:50

2 stops35h 10m

€645

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 14/8

19:05-11:05

1 stop32h 00m

Dublin

Fri 28/8

12:15-17:55

1 stop13h 40m

€648

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 20/9

15:30-07:45

2 stops32h 15m

Dublin

Fri 2/10

09:50-19:06

1 stop17h 16m

€649

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 €263.

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 from Washington 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 €556 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 €457 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between State of Washington to Ireland.

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 05m

Direct flights

Every day

Airports in Ireland

77 airports
The fastest flight from State of Washington to Ireland takes 9h 05m
Direct flights go from State of Washington to Ireland every day.
There are 77 airports in Ireland. From State of Washington there are direct flights to Dublin (DUB).
Search flight deals

Frequently asked questions about flying from Washington to Ireland

  • 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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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €37
Flights to Corkfrom €88
Flights to Shannon, Clarefrom €92
Flights to Milltown (Kerry)from €36
Flights to Donegalfrom €76