Cheap flights from Ireland to Washington from €260

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
11:30 - 17:00DUB-SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
€402Icelandair
Find Deal
Wed, 3 Dec - Tue, 9 Dec
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
€404Icelandair
Find Deal
Wed, 28 Jan - Sat, 7 Feb
American Airlines Logo
10:20 - 16:55DUB-SEA
14h 35m1 stop
American Airlines Logo
18:50 - 16:50SEA-DUB
14h 00m1 stop
€423American Airlines
Find Deal
Wed, 18 Feb - Sun, 1 Mar
British Airways Logo
20:40 - 16:55DUB-SEA
28h 15m1 stop
British Airways Logo
07:15 - 09:50SEA-DUB
18h 35m2 stops
€427British Airways
Find Deal
Tue, 17 Feb - Sat, 28 Feb
British Airways Logo
10:45 - 16:55DUB-SEA
14h 10m1 stop
British Airways Logo
18:50 - 17:40SEA-DUB
14h 50m1 stop
€427British Airways
Find Deal
Sun, 1 Mar - Sat, 7 Mar
American Airlines Logo
08:50 - 23:32DUB-SEA
22h 42m2 stops
American Airlines Logo
18:50 - 16:50SEA-DUB
14h 00m1 stop
€428American Airlines
Find Deal
Mon, 23 Feb - Sun, 1 Mar
Multiple Airlines Logo
12:30 - 20:34DUB-PDX
16h 04m1 stop
Multiple Airlines Logo
07:05 - 11:25PDX-DUB
20h 20m1 stop
€629Multiple Airlines
Find Deal
Fri, 20 Feb - Fri, 27 Feb
Lufthansa Logo
05:10 - 18:30DUB-PDX
21h 20m2 stops
Lufthansa Logo
07:00 - 08:10PDX-DUB
17h 10m1 stop
€685Lufthansa
Find Deal
Fri, 20 Feb - Tue, 24 Feb
Lufthansa Logo
05:00 - 18:30DUB-PDX
21h 30m2 stops
Lufthansa Logo
10:50 - 08:10PDX-DUB
13h 20m1 stop
€686Lufthansa
Find Deal
Thu, 27 Nov - Sun, 7 Dec
Multiple Airlines Logo
09:50 - 11:24DUB-GEG
33h 34m2 stops
Multiple Airlines Logo
13:45 - 07:45GEG-DUB
34h 00m2 stops
€855Multiple Airlines
Find Deal
Tue, 5 May - Tue, 19 May

Delta flights from Ireland to State of Washington

Our best Delta deals on Ireland to State of Washington flight tickets
Delta
21 Nov
DUB05:55Dublin
13h 50m
1 stop
SEA11:45Seattle/Tacoma Intl
5 Dec
SEA14:05Seattle/Tacoma Intl
17h 40m
1 stop
DUB15:45Dublin
Delta
3 Dec
DUB05:55Dublin
13h 55m
1 stop
SEA11:50Seattle/Tacoma Intl
7 Dec
SEA07:35Seattle/Tacoma Intl
17h 45m
1 stop
DUB09:20Dublin
Delta
3 Dec
DUB05:55Dublin
13h 55m
1 stop
SEA11:50Seattle/Tacoma Intl
13 Dec
SEA09:25Seattle/Tacoma Intl
14h 20m
1 stop
DUB07:45Dublin

Iberia flights from Ireland to State of Washington

Our best Iberia deals on Ireland to State of Washington flight tickets
Iberia
22 Nov
DUB12:55Dublin
18h 10m
1 stop
SEA23:05Seattle/Tacoma Intl
30 Nov
SEA07:19Seattle/Tacoma Intl
15h 51m
1 stop
DUB07:10Dublin
Iberia
22 Nov
DUB12:55Dublin
16h 21m
1 stop
SEA21:16Seattle/Tacoma Intl
30 Nov
SEA05:24Seattle/Tacoma Intl
17h 46m
1 stop
DUB07:10Dublin
Iberia
3 Dec
DUB15:20Dublin
16h 05m
1 stop
SEA23:25Seattle/Tacoma Intl
6 Dec
SEA00:31Seattle/Tacoma Intl
22h 39m
1 stop
DUB07:10Dublin

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 November 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

Wed 3/12

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Tue 9/12

14:35-10:15

1 stop11h 40m

€402

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 28/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sat 7/2

14:35-10:15

1 stop11h 40m

€404

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 18/2

10:20-16:55

1 stop14h 35m

Seattle/Tacoma Intl

Sun 1/3

18:50-16:50

1 stop14h 00m

€423

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 17/2

20:40-16:55

1 stop28h 15m

Seattle/Tacoma Intl

Sat 28/2

07:15-09:50

2 stops18h 35m

€427

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 1/3

10:45-16:55

1 stop14h 10m

Seattle/Tacoma Intl

Sat 7/3

18:50-17:40

1 stop14h 50m

€427

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 23/2

08:50-23:32

2 stops22h 42m

Seattle/Tacoma Intl

Sun 1/3

18:50-16:50

1 stop14h 00m

€428

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 20/2

12:30-20:34

1 stop16h 04m

Portland

Fri 27/2

07:05-11:25

1 stop20h 20m

€629

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 20/2

05:10-18:30

2 stops21h 20m

Portland

Tue 24/2

07:00-08:10

1 stop17h 10m

€685

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 27/11

05:00-18:30

2 stops21h 30m

Portland

Sun 7/12

10:50-08:10

1 stop13h 20m

€686

DublinSpokane

DUB - GEG

DUBGEG

Dublin

Tue 5/5

09:50-11:24

2 stops33h 34m

Spokane

Tue 19/5

13:45-07:45

2 stops34h 00m

€855

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 €527. 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 €542.

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 €641. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around €803.

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 €572. Flights in the afternoon are often more expensive, with an average ticket price of €703.

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 €613 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 €516 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

€495

Fastest flight time

9h 39m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in State of Washington

1 airport
The best flight deal from Ireland to State of Washington found on momondo in the last 72 hours is €495
The fastest flight from Ireland to State of Washington takes 9h 39m
Direct flights go from Ireland to State of Washington on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..
There is 1 airport near State of Washington: Seattle/Tacoma Intl (SEA)
  • 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 €420Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Aer LingusPriceFrom €478Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €504Free CancellationRating
6.7
7,524 reviews
Search British Airways 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
Mon 15/12
Mon 22/12

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