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Cheap flights from Ireland to Washington from €305

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 3/10. 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

Scandinavian Airlines Logo
19:05 - 14:00DUB-SEA
26h 55m1 stop
Scandinavian Airlines Logo
16:20 - 11:50SEA-DUB
35h 30m1 stop
€372Scandinavian Airlines
Find Deal
Thu, 16 Oct - Wed, 22 Oct
Scandinavian Airlines Logo
20:05 - 14:00DUB-SEA
25h 55m2 stops
Scandinavian Airlines Logo
16:20 - 10:25SEA-DUB
34h 05m1 stop
€379Scandinavian Airlines
Find Deal
Sat, 18 Oct - Fri, 24 Oct
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
€426Icelandair
Find Deal
Sat, 31 Jan - Tue, 10 Feb
Lufthansa Logo
05:55 - 11:55DUB-SEA
14h 00m1 stop
Lufthansa Logo
08:00 - 10:20SEA-DUB
18h 20m1 stop
€441Lufthansa
Find Deal
Mon, 6 Oct - Mon, 13 Oct
Lufthansa Logo
05:10 - 13:10DUB-SEA
15h 00m1 stop
Lufthansa Logo
15:10 - 17:10SEA-DUB
18h 00m1 stop
€442Lufthansa
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Icelandair Logo
11:30 - 17:00DUB-SEA
13h 30m1 stop
Icelandair Logo
14:35 - 10:15SEA-DUB
11h 40m1 stop
€444Icelandair
Find Deal
Sun, 9 Nov - Sun, 23 Nov
British Airways Logo
20:40 - 11:30DUB-SEA
22h 50m1 stop
British Airways Logo
18:50 - 17:00SEA-DUB
14h 10m1 stop
€458British Airways
Find Deal
Mon, 22 Dec - Tue, 30 Dec
Multiple Airlines Logo
12:55 - 10:41DUB-SEA
29h 46m1 stop
Multiple Airlines Logo
18:50 - 15:05SEA-DUB
12h 15m1 stop
€459Multiple Airlines
Find Deal
Fri, 7 Nov - Sun, 23 Nov
Multiple Airlines Logo
12:55 - 14:40DUB-SEA
32h 45m1 stop
Multiple Airlines Logo
13:35 - 12:05SEA-DUB
14h 30m1 stop
€459Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
British Airways Logo
10:55 - 16:55DUB-SEA
14h 00m1 stop
British Airways Logo
08:00 - 16:50SEA-DUB
24h 50m2 stops
€464British Airways
Find Deal
Sat, 31 Jan - Sun, 8 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
16 Oct
DUB19:05Dublin
26h 55m
1 stop
SEA14:00Seattle/Tacoma Intl
22 Oct
SEA16:20Seattle/Tacoma Intl
35h 30m
1 stop
DUB11:50Dublin
€372
Find similar
Scandinavian Airlines
18 Oct
DUB20:05Dublin
25h 55m
2 stops
SEA14:00Seattle/Tacoma Intl
24 Oct
SEA16:20Seattle/Tacoma Intl
34h 05m
1 stop
DUB10:25Dublin
€379
Find similar
Scandinavian Airlines
18 Oct
DUB20:05Dublin
25h 55m
2 stops
SEA14:00Seattle/Tacoma Intl
24 Oct
SEA16:20Seattle/Tacoma Intl
34h 05m
1 stop
DUB10:25Dublin
€381
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
18 Nov
DUB10:55Dublin
14h 00m
1 stop
SEA16:55Seattle/Tacoma Intl
23 Nov
SEA18:50Seattle/Tacoma Intl
14h 00m
1 stop
DUB16:50Dublin
€463
Find similar
American Airlines
14 Nov
DUB10:45Dublin
14h 10m
1 stop
SEA16:55Seattle/Tacoma Intl
24 Nov
SEA18:50Seattle/Tacoma Intl
12h 35m
1 stop
DUB15:25Dublin
€465
Find similar
American Airlines
24 Oct
DUB08:35Dublin
35h 00m
1 stop
SEA11:35Seattle/Tacoma Intl
6 Nov
SEA11:42Seattle/Tacoma Intl
21h 43m
2 stops
DUB17:25Dublin
€466
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 17 September 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 16/10

19:05-14:00

1 stop26h 55m

Seattle/Tacoma Intl

Wed 22/10

16:20-11:50

1 stop35h 30m

€372

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 18/10

20:05-14:00

2 stops25h 55m

Seattle/Tacoma Intl

Fri 24/10

16:20-10:25

1 stop34h 05m

€379

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 31/1

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Tue 10/2

14:35-10:15

1 stop11h 40m

€426

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 6/10

05:55-11:55

1 stop14h 00m

Seattle/Tacoma Intl

Mon 13/10

08:00-10:20

1 stop18h 20m

€441

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 31/10

05:10-13:10

1 stop15h 00m

Seattle/Tacoma Intl

Fri 7/11

15:10-17:10

1 stop18h 00m

€442

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 9/11

11:30-17:00

1 stop13h 30m

Seattle/Tacoma Intl

Sun 23/11

14:35-10:15

1 stop11h 40m

€444

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 22/12

20:40-11:30

1 stop22h 50m

Seattle/Tacoma Intl

Tue 30/12

18:50-17:00

1 stop14h 10m

€458

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 7/11

12:55-10:41

1 stop29h 46m

Seattle/Tacoma Intl

Sun 23/11

18:50-15:05

1 stop12h 15m

€459

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 31/10

12:55-14:40

1 stop32h 45m

Seattle/Tacoma Intl

Fri 7/11

13:35-12:05

1 stop14h 30m

€459

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sat 31/1

10:55-16:55

1 stop14h 00m

Seattle/Tacoma Intl

Sun 8/2

08:00-16:50

2 stops24h 50m

€464

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 €514. If you’re not able to fly to State of Washington in February, then January is your next best option. Flight prices from Ireland to State of Washington during January average around €538.

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 €631. 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 €790.

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 €563. Flights in the afternoon are often more expensive, with an average ticket price of €699.

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 €616 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 €508 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?

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

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

€496

Fastest flight time

9h 40m

Direct flights

Every day

Airports in State of Washington

1 airport
The best one-way flight to State of Washington from Ireland in the past 72 hours is €496. The best return flight deal from Ireland to State of Washington found on momondo in the last 72 hours is €634.
The fastest flight from Ireland to State of Washington takes 9h 40m
Direct flights go from Ireland to State of Washington every day.
There is 1 airport near State of Washington: 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 €413Free CancellationRating
7.0
545 reviews
Search Icelandair flights
British AirwaysPriceFrom €507Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Aer LingusPriceFrom €544Free CancellationRating
7.2
1,277 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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