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Cheap flights from Ireland to Washington from €250

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
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.
Scandinavian Airlines Logo
12:40 - 13:45
DUB
-
SEA
33h 05m1 stop
Scandinavian Airlines Logo
15:55 - 18:20
SEA
-
DUB
18h 25m1 stop
€417Scandinavian Airlines
Thu, 21 May - Sun, 31 May
Scandinavian Airlines Logo
19:50 - 13:45
DUB
-
SEA
25h 55m2 stops
Scandinavian Airlines Logo
15:55 - 18:20
SEA
-
DUB
18h 25m1 stop
€426Scandinavian Airlines
Thu, 21 May - Sun, 31 May
Multiple Airlines Logo
13:40 - 17:00
DUB
-
SEA
35h 20m2 stops
Multiple Airlines Logo
14:35 - 18:30
SEA
-
DUB
19h 55m2 stops
€531Multiple Airlines
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
07:50 - 17:00
DUB
-
SEA
17h 10m2 stops
Multiple Airlines Logo
14:35 - 19:05
SEA
-
DUB
20h 30m2 stops
€541Multiple Airlines
Tue, 27 Jan - Tue, 3 Feb
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
€582Icelandair
Fri, 16 Jan - Sat, 31 Jan
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
€583Icelandair
Mon, 26 Jan - Mon, 2 Feb
British Airways Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
British Airways Logo
13:35 - 11:30
SEA
-
SNN
13h 55m1 stop
€682British Airways
Sat, 28 Feb - Sat, 7 Mar
British Airways Logo
07:50 - 22:18
SNN
-
SEA
22h 28m2 stops
British Airways Logo
18:50 - 16:45
SEA
-
SNN
13h 55m1 stop
€686British Airways
Sat, 28 Feb - Sat, 7 Mar
American Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
American Airlines Logo
18:50 - 11:30
SEA
-
SNN
32h 40m1 stop
€793American Airlines
Wed, 28 Jan - Sun, 1 Feb
American Airlines Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
American Airlines Logo
06:12 - 11:30
SEA
-
SNN
21h 18m2 stops
€794American Airlines
Wed, 28 Jan - Sun, 1 Feb

Scandinavian Airlines flights from Ireland to State of Washington

Our best Scandinavian Airlines deals on Ireland to State of Washington flight tickets
Scandinavian Airlines
27 Jan
DUB12:30Dublin
41h 55m
2 stops
SEA22:25Seattle/Tacoma Intl
3 Feb
SEA14:02Seattle/Tacoma Intl
37h 43m
2 stops
DUB11:45Dublin
€545
Find similar
Scandinavian Airlines
4 Mar
DUB12:30Dublin
38h 26m
2 stops
SEA18:56Seattle/Tacoma Intl
8 Mar
SEA13:30Seattle/Tacoma Intl
39h 15m
2 stops
DUB11:45Dublin
€644
Find similar
Scandinavian Airlines
28 Jan
DUB19:05Dublin
35h 19m
2 stops
SEA22:24Seattle/Tacoma Intl
7 Feb
SEA14:02Seattle/Tacoma Intl
37h 43m
2 stops
DUB11:45Dublin
€666
Find similar

American Airlines flights from Ireland to State of Washington

Our best American Airlines deals on Ireland to State of Washington flight tickets
American Airlines
28 Jan
DUB08:50Dublin
16h 05m
1 stop
SEA16:55Seattle/Tacoma Intl
7 Feb
SEA13:35Seattle/Tacoma Intl
12h 15m
1 stop
DUB09:50Dublin
€654
Find similar
American Airlines
4 Mar
DUB10:20Dublin
19h 55m
2 stops
SEA22:15Seattle/Tacoma Intl
8 Mar
SEA13:37Seattle/Tacoma Intl
20h 13m
2 stops
DUB16:50Dublin
€660
Find similar
American Airlines
26 Feb
DUB08:50Dublin
22h 39m
2 stops
SEA23:29Seattle/Tacoma Intl
7 Mar
SEA07:15Seattle/Tacoma Intl
21h 30m
2 stops
DUB12:45Dublin
€661
Find similar

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 15 December 2025.
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

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 21/5

12:40-13:45

1 stop33h 05m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:20

1 stop18h 25m

€417

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 21/5

19:50-13:45

2 stops25h 55m

Seattle/Tacoma Intl

Sun 31/5

15:55-18:20

1 stop18h 25m

€426

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 28/1

13:40-17:00

2 stops35h 20m

Seattle/Tacoma Intl

Wed 4/2

14:35-18:30

2 stops19h 55m

€531

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 27/1

07:50-17:00

2 stops17h 10m

Seattle/Tacoma Intl

Tue 3/2

14:35-19:05

2 stops20h 30m

€541

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 16/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sat 31/1

14:35-10:15

1 stop11h 40m

€582

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 26/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Mon 2/2

14:35-10:15

1 stop11h 40m

€583

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 28/2

07:50-16:55

1 stop17h 05m

Seattle/Tacoma Intl

Sat 7/3

13:35-11:30

1 stop13h 55m

€682

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Sat 28/2

07:50-22:18

2 stops22h 28m

Seattle/Tacoma Intl

Sat 7/3

18:50-16:45

1 stop13h 55m

€686

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 28/1

07:50-16:55

1 stop17h 05m

Seattle/Tacoma Intl

Sun 1/2

18:50-11:30

1 stop32h 40m

€793

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

Wed 28/1

07:50-16:55

1 stop17h 05m

Seattle/Tacoma Intl

Sun 1/2

06:12-11:30

2 stops21h 18m

€794

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 €515. If you’re not able to fly to State of Washington in February, then November is your next best option. Flight prices from Ireland to State of Washington during November average around €539.

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 €635. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around €795.

What is the cheapest time of day to depart on your flight to State of Washington?

Our most recent data shows that the best time of day to fly to State of Washington is in the morning. Flights from Ireland to State of Washington during this time can be as low as €566. Flights in the afternoon are often more expensive, with an average ticket price of €696.

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 €606 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 €555 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 39% 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

€743

Fastest flight time

9h 39m

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 €743
The fastest flight from Ireland to State of Washington takes 9h 39m
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

  • 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 €396Free CancellationRating
7.0
590 reviews
Search Icelandair flights
Aer LingusPriceFrom €473Free CancellationRating
7.2
1,394 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €499Free CancellationRating
6.7
7,578 reviews
Search British Airways flights
American AirlinesPriceFrom €519Free CancellationRating
7.2
11,050 reviews
Search American Airlines 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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