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Cheap flights from Washington to Ireland from $261

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Ireland departing on 10/15. 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 Washington to Ireland

Cheap round-trip flights

United Airlines Logo
7:00 am - 8:10 amSEA-DUB
17h 10m1 stop
United Airlines Logo
9:00 am - 4:07 pmDUB-SEA
39h 07m2 stops
$335United Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
Aer Lingus Logo
9:05 pm - 1:10 pmSEA-DUB
9h 05mnonstop
Aer Lingus Logo
4:30 pm - 6:20 pmDUB-SEA
9h 50mnonstop
$336Aer Lingus
Find Deal
mié., oct. 29 - mié., nov. 5
Aer Lingus Logo
8:05 pm - 1:10 pmSEA-DUB
9h 05mnonstop
Aer Lingus Logo
4:30 pm - 6:20 pmDUB-SEA
9h 50mnonstop
$339Aer Lingus
Find Deal
mié., nov. 12 - mié., nov. 26
Air Canada Logo
8:15 am - 7:10 amSEA-DUB
14h 55m1 stop
Air Canada Logo
9:00 am - 9:56 pmDUB-SEA
20h 56m1 stop
$350Air Canada
Find Deal
mar., dic. 2 - mié., dic. 10
Logo
7:00 am - 10:20 amSEA-DUB
19h 20m2 stops
Logo
9:00 am - 10:06 pmDUB-SEA
21h 06m2 stops
$353
Find Deal
mié., nov. 19 - mié., nov. 26
Icelandair Logo
2:35 pm - 10:15 amSEA-DUB
11h 40m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-SEA
13h 30m1 stop
$354Icelandair
Find Deal
dom., nov. 2 - sáb., nov. 15
Icelandair Logo
3:20 pm - 11:15 amPDX-DUB
11h 55m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$354Icelandair
Find Deal
sáb., oct. 25 - vie., nov. 7
Air France Logo
2:05 pm - 3:45 pmSEA-DUB
17h 40m1 stop
Air France Logo
9:45 am - 12:14 amDUB-SEA
22h 29m1 stop
$378Air France
Find Deal
mié., nov. 5 - mié., nov. 12
Logo
12:59 am - 7:10 amSEA-DUB
22h 11m1 stop
Logo
10:55 am - 4:55 pmDUB-SEA
14h 00m1 stop
$385
Find Deal
sáb., nov. 22 - mar., dic. 9
Air Canada Logo
7:40 pm - 7:45 amPDX-DUB
28h 05m1 stop
Air Canada Logo
8:00 am - 10:15 amDUB-PDX
33h 15m2 stops
$464Air Canada
Find Deal
vie., oct. 17 - sáb., nov. 1

Lufthansa flights from State of Washington to Ireland

Our best Lufthansa deals on State of Washington to Ireland flight tickets
Lufthansa
Nov 12
SEA3:10 pmSeattle/Tacoma Intl
18h 00m
1 stop
DUB5:10 pmDublin
Nov 26
DUB5:10 amDublin
16h 10m
2 stops
SEA1:20 pmSeattle/Tacoma Intl
$428
Find similar
Lufthansa
Aug 21
SEA2:55 pmSeattle/Tacoma Intl
32h 50m
1 stop
DUB7:45 amDublin
Sep 8
DUB9:00 amDublin
37h 16m
2 stops
SEA2:16 pmSeattle/Tacoma Intl
$518
Find similar
Lufthansa
Aug 22
SEA10:00 amSeattle/Tacoma Intl
13h 45m
1 stop
DUB7:45 amDublin
Sep 1
DUB8:00 pmDublin
23h 55m
2 stops
SEA11:55 amSeattle/Tacoma Intl
$539
Find similar

British Airways flights from State of Washington to Ireland

Our best British Airways deals on State of Washington to Ireland flight tickets
British Airways
Oct 26
SEA7:50 pmSeattle/Tacoma Intl
29h 05m
1 stop
DUB7:55 amDublin
Nov 3
DUB8:40 pmDublin
22h 50m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$390
Find similar
British Airways
Nov 11
SEA6:50 pmSeattle/Tacoma Intl
14h 10m
1 stop
DUB5:00 pmDublin
Nov 18
DUB8:50 amDublin
16h 05m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$406
Find similar
British Airways
Oct 21
PDX7:25 pmPortland
13h 40m
1 stop
DUB5:05 pmDublin
Nov 5
DUB8:50 amDublin
15h 05m
1 stop
PDX3:55 pmPortland
$426
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Ireland 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 agosto 13, 2025.
Use the filters below to find and compare flights from Washington to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

mié. 12/3

7:00 am-8:10 am

1 stop17h 10m

Dublin

mié. 12/10

9:00 am-4:07 pm

2 stops39h 07m

$335

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

mié. 10/29

9:05 pm-1:10 pm

Nonstop9h 05m

Dublin

mié. 11/5

4:30 pm-6:20 pm

Nonstop9h 50m

$336

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

mié. 11/12

8:05 pm-1:10 pm

Nonstop9h 05m

Dublin

mié. 11/26

4:30 pm-6:20 pm

Nonstop9h 50m

$339

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

mar. 12/2

8:15 am-7:10 am

1 stop14h 55m

Dublin

mié. 12/10

9:00 am-9:56 pm

1 stop20h 56m

$350

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

mié. 11/19

7:00 am-10:20 am

2 stops19h 20m

Dublin

mié. 11/26

9:00 am-10:06 pm

2 stops21h 06m

$353

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

dom. 11/2

2:35 pm-10:15 am

1 stop11h 40m

Dublin

sáb. 11/15

11:30 am-5:00 pm

1 stop13h 30m

$354

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb. 10/25

3:20 pm-11:15 am

1 stop11h 55m

Dublin

vie. 11/7

11:30 am-5:00 pm

1 stop13h 30m

$354

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

mié. 11/5

2:05 pm-3:45 pm

1 stop17h 40m

Dublin

mié. 11/12

9:45 am-12:14 am

1 stop22h 29m

$378

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

sáb. 11/22

12:59 am-7:10 am

1 stop22h 11m

Dublin

mar. 12/9

10:55 am-4:55 pm

1 stop14h 00m

$385

PortlandDublin

PDX - DUB

PDXDUB

Portland

vie. 10/17

7:40 pm-7:45 am

1 stop28h 05m

Dublin

sáb. 11/1

8:00 am-10:15 am

2 stops33h 15m

$464

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 Ireland from

How to get the cheapest flight ticket from State of Washington to Ireland

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 Ireland?

In general, January is the cheapest month to fly from State of Washington to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $438. If you aren’t able to travel to Ireland during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $511.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $748. This is often the case because there is less demand to fly during this day of the week. Flights from State of Washington to Ireland on a Saturday will generally be more expensive and average around $910. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Ireland is at noon. momondo users have found flights departing from State of Washington to Ireland at noon for as low as $610. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around $894.

What is the cheapest Washington to Ireland flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Washington - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $658 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from State of Washington for as low as $570 on momondo.

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

There are 3 cabin classes available to choose from on Washington to Ireland 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 State of Washington to Ireland flights?

You could potentially save up to 55% on your flight if you consider stops on a State of Washington to Ireland flight.

Cheap State of Washington to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Ireland

Best Price Found

$261

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Ireland

2 airports
The best one-way flight to Ireland from State of Washington in the past 72 hours is $261. The best round-trip flight deal from State of Washington to Ireland found on momondo in the last 72 hours is $335.
The fastest flight from State of Washington to Ireland takes 9h 05m
Direct flights go from State of Washington to Ireland every day.
There are 2 airports near Ireland: Dublin (DUB), Shannon (SNN)
Search flight deals

  • When did momondo last update prices for flights from Washington to Ireland?

    Prices for flights from Washington to Ireland are updated daily.

  • How many operators does momondo search for flights from Washington to Ireland?

  • How old do you have to be to fly from Washington to Ireland?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Ireland.

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

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from State of Washington to Ireland?

Best airlines flying from State of Washington to Ireland

Compare and see reviews for airlines that fly from State of Washington to Ireland with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $101Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
Air FrancePriceFrom $337Free CancellationRating
7.4
1,467 reviews
Search Air France flights
Air CanadaPriceFrom $341Free CancellationRating
7.1
9,943 reviews
Search Air Canada flights
IberiaPriceFrom $363Free CancellationRating
7.0
2,878 reviews
Search Iberia flights
IcelandairPriceFrom $376Free CancellationRating
7.0
526 reviews
Search Icelandair flights
DeltaPriceFrom $399Free CancellationRating
8.0
7,979 reviews
Search Delta flights
KLMPriceFrom $405Free CancellationRating
7.8
1,381 reviews
Search KLM flights
Aer LingusPriceFrom $427Free CancellationRating
7.1
1,210 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $431Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights
British AirwaysPriceFrom $450Free CancellationRating
6.6
7,265 reviews
Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Ireland. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Washington to Ireland on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Washington to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.

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