Cheap flights from Ireland to Washington from €296

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington departing on 28/5. 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 Ireland to Washington

Recent return flight deals from Ireland to Washington

Enter your travel dates to find the best prices.
Icelandair Logo
14:15 - 17:55
DUB
-
SEA
11h 40m
1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
€444Icelandair
Sat, 5 Sep - Tue, 15 Sep
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
€455Icelandair
Tue, 5 May - Sat, 30 May
Scandinavian Airlines Logo
19:05 - 13:45
DUB
-
SEA
26h 40m
1 stop
Scandinavian Airlines Logo
15:55 - 18:20
SEA
-
DUB
18h 25m
1 stop
€475Scandinavian Airlines
Sat, 23 May - Sat, 30 May
Multiple Airlines Logo
10:50 - 16:30
ORK
-
SEA
13h 40m
1 stop
Multiple Airlines Logo
18:40 - 14:25
SEA
-
ORK
35h 45m
1 stop
€527Multiple Airlines
Fri, 22 May - Fri, 29 May
KLM Logo
10:50 - 11:45
ORK
-
SEA
32h 55m
1 stop
KLM Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
€532KLM
Thu, 23 Apr - Thu, 30 Apr
KLM Logo
17:10 - 11:42
ORK
-
SEA
26h 32m
1 stop
KLM Logo
17:45 - 22:35
SEA
-
ORK
20h 50m
1 stop
€535KLM
Tue, 26 May - Tue, 2 Jun
Multiple Airlines Logo
06:15 - 14:42
ORK
-
SEA
16h 27m
2 stops
Multiple Airlines Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
€537Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Scandinavian Airlines Logo
19:05 - 16:33
DUB
-
PDX
29h 28m
2 stops
Scandinavian Airlines Logo
13:00 - 18:20
PDX
-
DUB
21h 20m
2 stops
€670Scandinavian Airlines
Fri, 11 Sep - Fri, 18 Sep
Aer Lingus Logo
21:15 - 17:10
SNN
-
SEA
51h 55m
2 stops
Aer Lingus Logo
07:10 - 20:35
SEA
-
SNN
29h 25m
2 stops
€776Aer Lingus
Mon, 27 Apr - Mon, 4 May
Aer Lingus Logo
21:15 - 17:10
SNN
-
SEA
51h 55m
2 stops
Aer Lingus Logo
13:30 - 20:35
SEA
-
SNN
23h 05m
1 stop
€782Aer Lingus
Mon, 27 Apr - Mon, 4 May

Delta flights from Ireland to State of Washington

Our best Delta deals on Ireland to State of Washington flight tickets
Delta
16 Apr
ORK06:15Cork
13h 30m
1 stop
SEA11:45Seattle/Tacoma Intl
20 Apr
SEA13:24Seattle/Tacoma Intl
17h 16m
2 stops
ORK14:40Cork
€532
Delta
8 May
DUB05:55Dublin
13h 47m
1 stop
SEA11:42Seattle/Tacoma Intl
12 May
SEA07:30Seattle/Tacoma Intl
18h 55m
2 stops
DUB10:25Dublin
€532
Delta
23 Apr
ORK06:15Cork
13h 30m
1 stop
SEA11:45Seattle/Tacoma Intl
28 Apr
SEA11:10Seattle/Tacoma Intl
19h 30m
2 stops
ORK14:40Cork
€533

Icelandair flights from Ireland to State of Washington

Our best Icelandair deals on Ireland to State of Washington flight tickets
Icelandair
21 Apr
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
26 Apr
SEA15:40Seattle/Tacoma Intl
13h 35m
1 stop
DUB13:15Dublin
€436
Icelandair
5 Sept
DUB14:15Dublin
11h 40m
1 stop
SEA17:55Seattle/Tacoma Intl
15 Sept
SEA15:40Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05Dublin
€444
Icelandair
5 May
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
30 May
SEA15:40Seattle/Tacoma Intl
11h 25m
1 stop
DUB11:05Dublin
€455

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to State of Washington 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 13 April 2026.
Use the filters below to find and compare flights from Ireland to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 5/9

14:15-17:55

1 stop11h 40m

Seattle/Tacoma Intl

Tue 15/9

15:40-11:05

1 stop11h 25m

€444

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

€455

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 23/5

19:05-13:45

1 stop26h 40m

Seattle/Tacoma Intl

Sat 30/5

15:55-18:20

1 stop18h 25m

€475

CorkSeattle

ORK - SEA

ORKSEA

Cork

Fri 22/5

10:50-16:30

1 stop13h 40m

Seattle/Tacoma Intl

Fri 29/5

18:40-14:25

1 stop35h 45m

€527

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 23/4

10:50-11:45

1 stop32h 55m

Seattle/Tacoma Intl

Thu 30/4

13:30-14:40

1 stop17h 10m

€532

CorkSeattle

ORK - SEA

ORKSEA

Cork

Tue 26/5

17:10-11:42

1 stop26h 32m

Seattle/Tacoma Intl

Tue 2/6

17:45-22:35

1 stop20h 50m

€535

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 23/4

06:15-14:42

2 stops16h 27m

Seattle/Tacoma Intl

Thu 30/4

13:30-14:40

1 stop17h 10m

€537

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 11/9

19:05-16:33

2 stops29h 28m

Portland

Fri 18/9

13:00-18:20

2 stops21h 20m

€670

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Mon 27/4

21:15-17:10

2 stops51h 55m

Seattle/Tacoma Intl

Mon 4/5

07:10-20:35

2 stops29h 25m

€776

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Mon 27/4

21:15-17:10

2 stops51h 55m

Seattle/Tacoma Intl

Mon 4/5

13:30-20:35

1 stop23h 05m

€782

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 Washington from

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

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 €528. 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 €532.

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 €639. 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 €831.

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 €617 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 €507 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 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

€515

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 €515
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).

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?

  • 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?

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
IcelandairPriceFrom €381Free CancellationRating
7.0
632 reviews
Search Icelandair flights
Aer LingusPriceFrom €466Free CancellationRating
7.2
1,507 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.

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1 adult
Wed 13/5
Wed 20/5

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