What is the cheapest airline that flies from Washington to Ireland?

Scandinavian Airlines, Aer Lingus, and Lufthansa are the most popular carriers operating from Washington to Ireland

How long is the flight from State of Washington to Ireland?

Flight times from State of Washington to Ireland vary, but if you’re flying out of Seattle and flying into Dublin (one of the most popular routes), then the duration is 9h on average. Another popular route from State of Washington to Ireland is flying from Spokane to Dublin, which will take roughly 14h 05m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Ireland?

Aer Lingus, Icelandair and American Airlines are the top three most popular airlines that fly to Ireland from State of Washington according to our data. Aer Lingus is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 13 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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?

As of November 2025, there are 13 operators available to choose from 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.

$289 Cheap Flights from Washington to Ireland in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:45 pm - 10:15 amPDX-DUB

11h 30m1 stop

11:30 am - 5:00 pmDUB-PDX

13h 30m1 stop

$377Icelandair

Find Deal

Mon, Dec 1 - Fri, Dec 5

3:45 pm - 10:15 amPDX-DUB

11h 30m1 stop

11:30 am - 6:00 pmDUB-PDX

13h 30m1 stop

$393Icelandair

Find Deal

Thu, Mar 12 - Mon, Mar 23

6:50 pm - 7:40 pmSEA-DUB

16h 50m1 stop

8:50 am - 4:55 pmDUB-SEA

16h 05m1 stop

$409British Airways

Find Deal

Tue, Feb 24 - Tue, Mar 3

6:50 pm - 4:50 pmSEA-DUB

14h 00m1 stop

10:55 am - 4:55 pmDUB-SEA

14h 00m1 stop

$410British Airways

Find Deal

Sun, Feb 1 - Tue, Feb 10

6:50 pm - 5:45 pmSEA-DUB

14h 55m1 stop

10:20 am - 4:55 pmDUB-SEA

14h 35m1 stop

$416American Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

8:05 pm - 1:10 pmSEA-DUB

9h 05mnonstop

4:30 pm - 6:20 pmDUB-SEA

9h 50mnonstop

$418Aer Lingus

Find Deal

Wed, Dec 3 - Wed, Dec 10

6:50 pm - 3:40 pmSEA-DUB

12h 50m1 stop

11:30 am - 9:50 pmDUB-SEA

18h 20m1 stop

$419American Airlines

Find Deal

Tue, Dec 2 - Fri, Dec 12

8:05 pm - 1:10 pmSEA-DUB

9h 05mnonstop

4:30 pm - 6:20 pmDUB-SEA

9h 50mnonstop

$422Aer Lingus

Find Deal

Mon, Dec 8 - Fri, Dec 12

2:25 pm - 8:45 amSEA-DUB

34h 20m1 stop

10:45 am - 10:08 amDUB-SEA

31h 23m2 stops

$424Delta

Find Deal

Mon, Dec 8 - Wed, Dec 24

11:55 pm - 7:45 amSEA-DUB

23h 50m1 stop

9:45 am - 5:00 pmDUB-SEA

15h 15m1 stop

$438Delta

Find Deal

Mon, Dec 1 - Tue, Dec 16

British Airways flights from State of Washington to Ireland

Our best British Airways deals on State of Washington to Ireland flight tickets

British Airways

Feb 24

SEA6:50 pmSeattle/Tacoma Intl

16h 50m

1 stop

DUB7:40 pmDublin

Mar 3

DUB8:50 amDublin

16h 05m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$409

Find similar

British Airways

Feb 1

SEA6:50 pmSeattle/Tacoma Intl

14h 00m

1 stop

DUB4:50 pmDublin

Feb 10

DUB10:55 amDublin

14h 00m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$410

Find similar

British Airways

Jan 26

PDX7:38 amPortland

18h 12m

2 stops

DUB9:50 amDublin

Feb 10

DUB6:00 pmDublin

29h 55m

1 stop

PDX3:55 pmPortland

$427

Find similar

American Airlines flights from State of Washington to Ireland

Our best American Airlines deals on State of Washington to Ireland flight tickets

American Airlines

Jan 7

SEA6:50 pmSeattle/Tacoma Intl

14h 55m

1 stop

DUB5:45 pmDublin

Jan 14

DUB10:20 amDublin

14h 35m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$416

Find similar

American Airlines

Dec 2

SEA6:50 pmSeattle/Tacoma Intl

12h 50m

1 stop

DUB3:40 pmDublin

Dec 12

DUB11:30 amDublin

18h 20m

1 stop

SEA9:50 pmSeattle/Tacoma Intl

$419

Find similar

American Airlines

Dec 4

SEA6:50 pmSeattle/Tacoma Intl

14h 55m

1 stop

DUB5:45 pmDublin

Dec 11

DUB7:35 amDublin

17h 20m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$466

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 12/1

2:45 pm-10:15 am

1 stop11h 30m

Dublin

Fri 12/5

11:30 am-5:00 pm

1 stop13h 30m

$377

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 3/12

3:45 pm-10:15 am

1 stop11h 30m

Dublin

Mon 3/23

11:30 am-6:00 pm

1 stop13h 30m

$393

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 2/24

6:50 pm-7:40 pm

1 stop16h 50m

Dublin

Tue 3/3

8:50 am-4:55 pm

1 stop16h 05m

$409

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 2/1

6:50 pm-4:50 pm

1 stop14h 00m

Dublin

Tue 2/10

10:55 am-4:55 pm

1 stop14h 00m

$410

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 1/7

6:50 pm-5:45 pm

1 stop14h 55m

Dublin

Wed 1/14

10:20 am-4:55 pm

1 stop14h 35m

$416

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 12/3

8:05 pm-1:10 pm

Nonstop9h 05m

Dublin

Wed 12/10

4:30 pm-6:20 pm

Nonstop9h 50m

$418

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 12/2

6:50 pm-3:40 pm

1 stop12h 50m

Dublin

Fri 12/12

11:30 am-9:50 pm

1 stop18h 20m

$419

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 12/8

8:05 pm-1:10 pm

Nonstop9h 05m

Dublin

Fri 12/12

4:30 pm-6:20 pm

Nonstop9h 50m

$422

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 12/8

2:25 pm-8:45 am

1 stop34h 20m

Dublin

Wed 12/24

10:45 am-10:08 am

2 stops31h 23m

$424

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 12/1

11:55 pm-7:45 am

1 stop23h 50m

Dublin

Tue 12/16

9:45 am-5:00 pm

1 stop15h 15m

$438

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $505. 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 $509.

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 $741. 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 $918. 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 $906.

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 $661 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 $591 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 39% 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	$436
Fastest flight time	9h 00m
Direct flights	Every day
Airports in Ireland	1 airport

The best one-way flight to Ireland from State of Washington in the past 72 hours is $436. The best round-trip flight deal from State of Washington to Ireland found on momondo in the last 72 hours is $564.

The fastest flight from State of Washington to Ireland takes 9h 00m

Direct flights go from State of Washington to Ireland every day.

There is 1 airport near Ireland: 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?
As of November 2025, there are 13 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Ireland is Airbus A330-200, representing 66.67% of all bookings. The subsequent popular models are Airbus A330-900neo at 10.24%, Boeing 787-10 Dreamliner at 5.37%, and Boeing 777-300ER at 4.99%.

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
JetBlue	PriceFrom $101	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
Air France	PriceFrom $337	Free Cancellation	Rating 7.4 1,484 reviews	Search Air France flights
Air Canada	PriceFrom $341	Free Cancellation	Rating 7.1 10,410 reviews	Search Air Canada flights
Icelandair	PriceFrom $364	Free Cancellation	Rating 7.1 571 reviews	Search Icelandair flights
Iberia	PriceFrom $367	Free Cancellation	Rating 7.0 3,007 reviews	Search Iberia flights
KLM	PriceFrom $405	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
Aer Lingus	PriceFrom $416	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
British Airways	PriceFrom $425	Free Cancellation	Rating 6.7 7,496 reviews	Search British Airways flights
United Airlines	PriceFrom $431	Free Cancellation	Rating 7.4 9,003 reviews	Search United Airlines flights
Lufthansa	PriceFrom $467	Free Cancellation	Rating 6.8 7,555 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.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Ireland

Popular cities in Ireland

Flights to Dublinfrom $314

Flights to Shannon, Clarefrom $347

Flights to Corkfrom $392

Flights to Knockfrom $655

Flights to Milltown (Kerry)from $646

Flights to Donegalfrom $446

State of Washington flight routes

Flights from Seattle/Tacoma Intl to Santa Rosa Sonoma County

Flights from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl

Flights from Seattle/Tacoma Intl to Spokane

Flights from Seattle/Tacoma Intl to Portland

Flights from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl

Flights from Seattle/Tacoma Intl to Oakland

Cheap flights from Washington to Ireland from $289

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 2/16. 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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British Airways flights from State of Washington to Ireland

Our best British Airways deals on State of Washington to Ireland flight tickets

American Airlines flights from State of Washington to Ireland

Our best American Airlines deals on State of Washington to Ireland flight tickets

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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?

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

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

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?

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 39% on your flight if you consider stops on a State of Washington to Ireland flight.

What is the cheapest airline that flies from Washington to Ireland?

Scandinavian Airlines, Aer Lingus, and Lufthansa are the most popular carriers operating from Washington to Ireland

What airlines fly to Ireland?

How long is the flight from State of Washington to Ireland?

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

Fastest flight time

Direct flights

Airports in Ireland

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

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?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo