Cheap flights from Ireland to Washington from €298

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 28/4. 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 - 20:40
DUB
-
SEA
14h 25m
1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
€398Icelandair
Tue, 5 May - Thu, 28 May
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
Icelandair Logo
15:40 - 11:05
SEA
-
DUB
11h 25m
1 stop
€438Icelandair
Tue, 5 May - Sat, 30 May
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m
1 stop
Icelandair Logo
19:00 - 11:05
SEA
-
DUB
32h 05m
1 stop
€450Icelandair
Thu, 16 Apr - Wed, 22 Apr
Scandinavian Airlines Logo
19:05 - 13:45
DUB
-
SEA
26h 40m
1 stop
Scandinavian Airlines Logo
15:55 - 10:55
SEA
-
DUB
35h 00m
2 stops
€491Scandinavian Airlines
Thu, 21 May - Sat, 30 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
€534KLM
Thu, 16 Apr - Thu, 23 Apr
KLM Logo
17:10 - 16:30
ORK
-
SEA
31h 20m
1 stop
KLM Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
€537KLM
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
10:50 - 20:39
ORK
-
SEA
17h 49m
2 stops
Multiple Airlines Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
€539Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
10:50 - 20:39
ORK
-
SEA
17h 49m
2 stops
Multiple Airlines Logo
13:30 - 14:40
SEA
-
ORK
17h 10m
1 stop
€541Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Aer Lingus Logo
21:15 - 11:35
SNN
-
SEA
22h 20m
1 stop
Aer Lingus Logo
20:20 - 20:35
SEA
-
SNN
16h 15m
1 stop
€781Aer Lingus
Tue, 5 May - Wed, 13 May
Aer Lingus Logo
07:30 - 00:36
SNN
-
SEA
25h 06m
2 stops
Aer Lingus Logo
13:30 - 20:35
SEA
-
SNN
23h 05m
1 stop
€816Aer Lingus
Mon, 27 Apr - Mon, 4 May

Scandinavian Airlines flights from Ireland to State of Washington

Our best Scandinavian Airlines deals on Ireland to State of Washington flight tickets
Scandinavian Airlines
21 May
DUB19:05Dublin
26h 40m
1 stop
SEA13:45Seattle/Tacoma Intl
30 May
SEA15:55Seattle/Tacoma Intl
35h 00m
2 stops
DUB10:55Dublin
€491
Scandinavian Airlines
29 May
DUB12:40Dublin
33h 05m
1 stop
SEA13:45Seattle/Tacoma Intl
12 Jun
SEA15:55Seattle/Tacoma Intl
33h 30m
1 stop
DUB09:25Dublin
€509
Scandinavian Airlines
21 May
DUB19:50Dublin
25h 55m
2 stops
SEA13:45Seattle/Tacoma Intl
30 May
SEA15:55Seattle/Tacoma Intl
34h 30m
2 stops
DUB10:25Dublin
€527

Delta flights from Ireland to State of Washington

Our best Delta deals on Ireland to State of Washington flight tickets
Delta
17 Apr
DUB05:55Dublin
13h 50m
1 stop
SEA11:45Seattle/Tacoma Intl
21 Apr
SEA18:40Seattle/Tacoma Intl
15h 45m
1 stop
DUB18:25Dublin
€535
Delta
10 Apr
DUB05:55Dublin
13h 50m
1 stop
SEA11:45Seattle/Tacoma Intl
15 Apr
SEA18:40Seattle/Tacoma Intl
15h 45m
1 stop
DUB18:25Dublin
€536
Delta
10 Apr
DUB11:10Dublin
13h 20m
1 stop
SEA16:30Seattle/Tacoma Intl
17 Apr
SEA06:00Seattle/Tacoma Intl
17h 55m
1 stop
DUB07:55Dublin
€537

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 6 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

Tue 5/5

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Thu 28/5

15:40-11:05

1 stop11h 25m

€398

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

€438

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 16/4

14:15-20:40

1 stop14h 25m

Seattle/Tacoma Intl

Wed 22/4

19:00-11:05

1 stop32h 05m

€450

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 21/5

19:05-13:45

1 stop26h 40m

Seattle/Tacoma Intl

Sat 30/5

15:55-10:55

2 stops35h 00m

€491

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 16/4

10:50-11:45

1 stop32h 55m

Seattle/Tacoma Intl

Thu 23/4

13:30-14:40

1 stop17h 10m

€534

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 16/4

17:10-16:30

1 stop31h 20m

Seattle/Tacoma Intl

Thu 23/4

13:30-14:40

1 stop17h 10m

€537

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 16/4

10:50-20:39

2 stops17h 49m

Seattle/Tacoma Intl

Thu 23/4

13:30-14:40

1 stop17h 10m

€539

CorkSeattle

ORK - SEA

ORKSEA

Cork

Thu 16/4

10:50-20:39

2 stops17h 49m

Seattle/Tacoma Intl

Thu 23/4

13:30-14:40

1 stop17h 10m

€541

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Tue 5/5

21:15-11:35

1 stop22h 20m

Seattle/Tacoma Intl

Wed 13/5

20:20-20:35

1 stop16h 15m

€781

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Mon 27/4

07:30-00:36

2 stops25h 06m

Seattle/Tacoma Intl

Mon 4/5

13:30-20:35

1 stop23h 05m

€816

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 €537. 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 €541.

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 €650. 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 €845.

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 €631 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 €515 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

€1,090

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 €1,090
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 €388Free CancellationRating
7.0
631 reviews
Search Icelandair flights
Aer LingusPriceFrom €476Free CancellationRating
7.2
1,499 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 6/5
Wed 13/5

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