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Cheap flights from Washington to Ireland from $268

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 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:50 pm - 7:30 am
PDX
-
DUB
31h 40m2 stops
Lufthansa Logo
10:40 am - 6:56 pm
DUB
-
PDX
16h 16m1 stop
$418Lufthansa
Sun, Jan 11 - Sun, Jan 25
Multiple Airlines Logo
7:00 am - 8:10 am
PDX
-
DUB
17h 10m1 stop
Multiple Airlines Logo
9:30 am - 12:39 am
DUB
-
PDX
23h 09m2 stops
$424Multiple Airlines
Mon, Jan 19 - Mon, Jan 26
Icelandair Logo
2:35 pm - 10:15 am
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 am - 5:00 pm
DUB
-
SEA
13h 30m1 stop
$440Icelandair
Sun, Jan 25 - Tue, Feb 10
British Airways Logo
5:45 pm - 2:20 pm
PDX
-
DUB
12h 35m1 stop
British Airways Logo
10:45 am - 4:55 pm
DUB
-
PDX
13h 10m1 stop
$444British Airways
Sun, Mar 1 - Mon, Mar 9
Brussels Airlines Logo
7:00 am - 8:10 am
PDX
-
DUB
17h 10m1 stop
Brussels Airlines Logo
10:40 am - 6:56 pm
DUB
-
PDX
16h 16m1 stop
$445Brussels Airlines
Mon, Jan 19 - Mon, Jan 26
Icelandair Logo
2:35 pm - 10:15 am
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 am - 5:00 pm
DUB
-
SEA
13h 30m1 stop
$447Icelandair
Tue, Feb 24 - Tue, Mar 3
British Airways Logo
5:45 pm - 4:50 pm
PDX
-
DUB
15h 05m1 stop
British Airways Logo
8:40 pm - 4:55 pm
DUB
-
PDX
27h 15m1 stop
$451British Airways
Sun, Mar 1 - Tue, Mar 10
United Airlines Logo
4:10 pm - 8:10 am
GEG
-
DUB
32h 00m2 stops
United Airlines Logo
9:00 am - 9:22 pm
DUB
-
GEG
44h 22m2 stops
$460United Airlines
Tue, Jan 20 - Mon, Jan 26
Brussels Airlines Logo
10:55 am - 8:10 am
SEA
-
DUB
13h 15m1 stop
Brussels Airlines Logo
10:40 am - 7:03 pm
DUB
-
SEA
16h 23m1 stop
$465Brussels Airlines
Wed, Feb 18 - Thu, Feb 26
United Airlines Logo
11:25 am - 8:10 am
GEG
-
DUB
12h 45m1 stop
United Airlines Logo
9:00 am - 9:22 pm
DUB
-
GEG
20h 22m2 stops
$479United Airlines
Tue, Jan 20 - Mon, Jan 26

Lufthansa flights from State of Washington to Ireland

Our best Lufthansa deals on State of Washington to Ireland flight tickets
Lufthansa
Jan 11
PDX3:50 pmPortland
31h 40m
2 stops
DUB7:30 amDublin
Jan 25
DUB10:40 amDublin
16h 16m
1 stop
PDX6:56 pmPortland
$418
Find similar
Lufthansa
Jan 17
PDX7:00 amPortland
17h 10m
1 stop
DUB8:10 amDublin
Jan 24
DUB10:40 amDublin
21h 59m
2 stops
PDX12:39 amPortland
$430
Find similar
Lufthansa
Jan 17
PDX7:00 amPortland
17h 10m
1 stop
DUB8:10 amDublin
Jan 24
DUB10:40 amDublin
16h 16m
1 stop
PDX6:56 pmPortland
$432
Find similar

Icelandair flights from State of Washington to Ireland

Our best Icelandair deals on State of Washington to Ireland flight tickets
Icelandair
Jan 25
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Feb 10
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$440
Find similar
Icelandair
Feb 24
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Mar 3
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$447
Find similar
Icelandair
Feb 2
SEA2:35 pmSeattle/Tacoma Intl
11h 40m
1 stop
DUB10:15 amDublin
Feb 18
DUB11:30 amDublin
13h 30m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$451
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 December 22, 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

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 1/11

3:50 pm-7:30 am

2 stops31h 40m

Dublin

Sun 1/25

10:40 am-6:56 pm

1 stop16h 16m

$418

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 1/19

7:00 am-8:10 am

1 stop17h 10m

Dublin

Mon 1/26

9:30 am-12:39 am

2 stops23h 09m

$424

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 1/25

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Tue 2/10

11:30 am-5:00 pm

1 stop13h 30m

$440

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 3/1

5:45 pm-2:20 pm

1 stop12h 35m

Dublin

Mon 3/9

10:45 am-4:55 pm

1 stop13h 10m

$444

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 1/19

7:00 am-8:10 am

1 stop17h 10m

Dublin

Mon 1/26

10:40 am-6:56 pm

1 stop16h 16m

$445

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/24

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Tue 3/3

11:30 am-5:00 pm

1 stop13h 30m

$447

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 3/1

5:45 pm-4:50 pm

1 stop15h 05m

Dublin

Tue 3/10

8:40 pm-4:55 pm

1 stop27h 15m

$451

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 1/20

4:10 pm-8:10 am

2 stops32h 00m

Dublin

Mon 1/26

9:00 am-9:22 pm

2 stops44h 22m

$460

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 2/18

10:55 am-8:10 am

1 stop13h 15m

Dublin

Thu 2/26

10:40 am-7:03 pm

1 stop16h 23m

$465

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 1/20

11:25 am-8:10 am

1 stop12h 45m

Dublin

Mon 1/26

9:00 am-9:22 pm

2 stops20h 22m

$479

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, November 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 $472. If you aren’t able to travel to Ireland during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $544.

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 $720. 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 $924. 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 $889.

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 $657 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 $594 on momondo.

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

There are 2 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 40% 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

$501

Fastest flight time

9h 00m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from State of Washington in the past 72 hours is $501. The best round-trip flight deal from State of Washington to Ireland found on momondo in the last 72 hours is $577.
The fastest flight from State of Washington to Ireland takes 9h 00m
Direct flights go from State of Washington to Ireland every day.
There are 77 airports in Ireland. From State of Washington there are direct flights to Dublin (DUB).
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
2,896 reviews
Search JetBlue flights
Air CanadaPriceFrom $341Free CancellationRating
7.1
10,552 reviews
Search Air Canada flights
IcelandairPriceFrom $357Free CancellationRating
7.0
592 reviews
Search Icelandair flights
IberiaPriceFrom $367Free CancellationRating
7.0
3,055 reviews
Search Iberia flights
KLMPriceFrom $405Free CancellationRating
7.7
1,432 reviews
Search KLM flights
British AirwaysPriceFrom $407Free CancellationRating
6.7
7,602 reviews
Search British Airways flights
Aer LingusPriceFrom $409Free CancellationRating
7.2
1,408 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $431Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $444Free CancellationRating
7.4
1,617 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $467Free CancellationRating
6.8
7,644 reviews
Search Lufthansa 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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