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Cheap flights from Ireland to Washington from $310

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 3/3. 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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0 bags

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Find the cheapest flights from Ireland to Washington

Recent round-trip flight deals from Ireland to Washington

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
11:00 am - 1:45 pm
DUB
-
SEA
58h 45m2 stops
Scandinavian Airlines Logo
3:55 pm - 6:20 pm
SEA
-
DUB
18h 25m1 stop
$539Scandinavian Airlines
mié., may. 20 - sáb., jun. 6
Multiple Airlines Logo
6:30 am - 5:00 pm
DUB
-
SEA
18h 30m2 stops
Multiple Airlines Logo
2:35 pm - 3:10 pm
SEA
-
DUB
16h 35m2 stops
$578Multiple Airlines
jue., ene. 22 - jue., ene. 29
Multiple Airlines Logo
6:30 am - 5:00 pm
DUB
-
SEA
18h 30m2 stops
Multiple Airlines Logo
2:35 pm - 3:10 pm
SEA
-
DUB
16h 35m2 stops
$579Multiple Airlines
jue., ene. 22 - jue., ene. 29
Icelandair Logo
11:30 am - 5:00 pm
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
2:35 pm - 10:15 am
SEA
-
DUB
11h 40m1 stop
$686Icelandair
jue., ene. 22 - jue., ene. 29
Icelandair Logo
11:30 am - 5:00 pm
DUB
-
SEA
13h 30m1 stop
Icelandair Logo
2:35 pm - 10:15 am
SEA
-
DUB
11h 40m1 stop
$689Icelandair
vie., ene. 23 - vie., ene. 30
KLM Logo
6:00 am - 11:35 am
ORK
-
SEA
13h 35m1 stop
KLM Logo
1:30 pm - 2:25 pm
SEA
-
ORK
16h 55m1 stop
$768KLM
jue., abr. 9 - jue., abr. 16
Delta Logo
6:00 am - 11:35 am
ORK
-
SEA
13h 35m1 stop
Delta Logo
9:55 am - 2:25 pm
SEA
-
ORK
20h 30m2 stops
$769Delta
jue., abr. 9 - jue., abr. 16
Delta Logo
6:00 am - 2:55 pm
ORK
-
SEA
16h 55m2 stops
Delta Logo
1:30 pm - 2:25 pm
SEA
-
ORK
16h 55m2 stops
$774Delta
jue., abr. 9 - jue., abr. 16
KLM Logo
6:00 am - 11:25 am
ORK
-
PDX
13h 25m1 stop
KLM Logo
1:25 pm - 11:25 pm
PDX
-
ORK
26h 00m1 stop
$851KLM
vie., feb. 6 - vie., feb. 20
Aer Lingus Logo
7:50 am - 4:55 pm
SNN
-
SEA
17h 05m1 stop
Aer Lingus Logo
6:50 pm - 7:25 pm
SEA
-
SNN
16h 35m1 stop
$864Aer Lingus
dom., ene. 25 - jue., feb. 5

Scandinavian Airlines flights from Ireland to State of Washington

Our best Scandinavian Airlines deals on Ireland to State of Washington flight tickets
Scandinavian Airlines
May 20
DUB11:00 amDublin
58h 45m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
Jun 6
SEA3:55 pmSeattle/Tacoma Intl
18h 25m
1 stop
DUB6:20 pmDublin
$539
Find similar
Scandinavian Airlines
Jan 22
DUB7:05 pmDublin
35h 15m
2 stops
PDX10:20 pmPortland
Jan 29
PDX7:00 amPortland
20h 45m
2 stops
DUB11:45 amDublin
$677
Find similar
Scandinavian Airlines
Feb 11
DUB7:05 pmDublin
35h 17m
2 stops
SEA10:22 pmSeattle/Tacoma Intl
Feb 15
SEA7:10 amSeattle/Tacoma Intl
27h 10m
2 stops
DUB6:20 pmDublin
$773
Find similar

Air Canada flights from Ireland to State of Washington

Our best Air Canada deals on Ireland to State of Washington flight tickets
Air Canada
Dec 12
DUB9:00 amDublin
21h 16m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
Dec 28
SEA8:10 amSeattle/Tacoma Intl
15h 00m
1 stop
DUB7:10 amDublin
$721
Find similar
Air Canada
Feb 11
DUB9:00 amDublin
18h 16m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
Feb 15
SEA8:00 pmSeattle/Tacoma Intl
51h 10m
2 stops
DUB7:10 amDublin
$792
Find similar
Air Canada
Jan 24
DUB9:00 amDublin
32h 15m
2 stops
PDX9:15 amPortland
Jan 31
PDX7:00 pmPortland
28h 10m
2 stops
DUB7:10 amDublin
$822
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated diciembre 10, 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

mié. 5/20

11:00 am-1:45 pm

2 stops58h 45m

Seattle/Tacoma Intl

sáb. 6/6

3:55 pm-6:20 pm

1 stop18h 25m

$539

DublinSeattle

DUB - SEA

DUBSEA

Dublin

jue. 1/22

6:30 am-5:00 pm

2 stops18h 30m

Seattle/Tacoma Intl

jue. 1/29

2:35 pm-3:10 pm

2 stops16h 35m

$578

DublinSeattle

DUB - SEA

DUBSEA

Dublin

jue. 1/22

6:30 am-5:00 pm

2 stops18h 30m

Seattle/Tacoma Intl

jue. 1/29

2:35 pm-3:10 pm

2 stops16h 35m

$579

DublinSeattle

DUB - SEA

DUBSEA

Dublin

jue. 1/22

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

jue. 1/29

2:35 pm-10:15 am

1 stop11h 40m

$686

DublinSeattle

DUB - SEA

DUBSEA

Dublin

vie. 1/23

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

vie. 1/30

2:35 pm-10:15 am

1 stop11h 40m

$689

CorkSeattle

ORK - SEA

ORKSEA

Cork

jue. 4/9

6:00 am-11:35 am

1 stop13h 35m

Seattle/Tacoma Intl

jue. 4/16

1:30 pm-2:25 pm

1 stop16h 55m

$768

CorkSeattle

ORK - SEA

ORKSEA

Cork

jue. 4/9

6:00 am-11:35 am

1 stop13h 35m

Seattle/Tacoma Intl

jue. 4/16

9:55 am-2:25 pm

2 stops20h 30m

$769

CorkSeattle

ORK - SEA

ORKSEA

Cork

jue. 4/9

6:00 am-2:55 pm

2 stops16h 55m

Seattle/Tacoma Intl

jue. 4/16

1:30 pm-2:25 pm

2 stops16h 55m

$774

CorkPortland

ORK - PDX

ORKPDX

Cork

vie. 2/6

6:00 am-11:25 am

1 stop13h 25m

Portland

vie. 2/20

1:25 pm-11:25 pm

1 stop26h 00m

$851

ShannonSeattle

SNN - SEA

SNNSEA

Shannon

dom. 1/25

7:50 am-4:55 pm

1 stop17h 05m

Seattle/Tacoma Intl

jue. 2/5

6:50 pm-7:25 pm

1 stop16h 35m

$864

Flights are sorted by cheapest round-trip 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 $613. If you aren’t able to travel to State of Washington during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $633.

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

The cheapest day to depart from Ireland to State of Washington is on a Sunday. Travelers who choose to depart for State of Washington on a Sunday will often find tickets for as low as $613. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to State of Washington for around $997.

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

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $715. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $750 on average. Flights to State of Washington from Ireland in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $712 when searching weeks out. 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 $600 on momondo.

What cabin class options are available on Ireland to Washington flights?

There are 3 cabin classes 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 24% 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

$619

Fastest flight time

9h 39m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in State of Washington

1 airport
The best one-way flight to State of Washington from Ireland in the past 72 hours is $619. The best round-trip flight deal from Ireland to State of Washington found on momondo in the last 72 hours is $698.
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, Saturday and Sunday. There are no airlines offering direct flights.
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 are refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
Aer LingusPriceFrom $523Free CancellationRating
7.2
1,391 reviews
Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ireland to Washington for you.

Can I find flights from Ireland to Washington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington from Ireland with this policy.

How can momondo help me find flights from Ireland to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Washington.

I’m not ready to book a flight from Ireland to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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vie. 1/9
vie. 1/16
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