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

Icelandair, Delta, and KLM 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 05m on average. Another popular route from State of Washington to Ireland is flying from Spokane to Dublin, which will take roughly 14h 36m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from State of Washington to Ireland on average per day?

As of June 2026, there are 4 flights per day flying from State of Washington to Ireland. The most common time of day flights depart is 7:00PM, with 100% of flights taking off in the evening.

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 67% 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.

How many flights depart from State of Washington to Ireland on average per week?

The number of flights available between State of Washington and Ireland is 28 per week as of June 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 June 2026, 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.

$168 Cheap Flights from Washington to Ireland in 2026

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Find the cheapest flights from Washington to Ireland

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 2:40 pm

SEA

ORK

17h 10m

1 stop

5:45 am - 7:05 pm

ORK

SEA

21h 20m

2 stops

$706Delta

Tue, Oct 20 - Mon, Nov 2

11:15 am - 2:40 pm

SEA

ORK

19h 25m

2 stops

5:45 am - 4:35 pm

ORK

SEA

18h 50m

2 stops

$710Delta

Tue, Oct 20 - Mon, Nov 2

1:30 pm - 2:40 pm

SEA

ORK

17h 10m

1 stop

3:25 pm - 11:25 am

ORK

SEA

28h 00m

1 stop

$716KLM

Tue, Oct 20 - Mon, Nov 2

11:30 am - 8:10 am

GEG

DUB

12h 40m

1 stop

9:00 am - 12:18 pm

DUB

GEG

35h 18m

2 stops

$718United Airlines

Wed, Nov 11 - Wed, Nov 18

5:00 am - 7:30 am

GEG

DUB

18h 30m

2 stops

9:00 am - 9:05 pm

DUB

GEG

44h 05m

2 stops

$722United Airlines

Wed, Nov 11 - Wed, Nov 18

1:30 pm - 2:25 pm

SEA

ORK

16h 55m

1 stop

5:10 pm - 11:47 am

ORK

SEA

26h 37m

1 stop

$726KLM

Fri, Sep 11 - Mon, Sep 21

3:30 pm - 7:45 am

PDX

DUB

32h 15m

2 stops

6:00 am - 7:06 pm

DUB

PDX

21h 06m

2 stops

$733Lufthansa

Sun, Sep 27 - Thu, Oct 8

7:15 am - 10:20 am

SEA

ORK

19h 05m

2 stops

6:15 am - 11:47 am

ORK

SEA

13h 32m

1 stop

$734Delta

Fri, Sep 11 - Mon, Sep 21

7:45 pm - 7:45 am

PDX

DUB

52h 00m

2 stops

9:50 am - 7:06 pm

DUB

PDX

17h 16m

1 stop

$737Air Canada

Fri, Sep 25 - Fri, Oct 9

10:10 am - 7:45 am

PDX

DUB

37h 35m

2 stops

9:20 am - 11:33 am

DUB

PDX

34h 13m

2 stops

$740Air Canada

Sun, Sep 20 - Fri, Oct 2

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Air Canada flights from State of Washington to Ireland

Our best Air Canada deals on State of Washington to Ireland flight tickets

Air Canada

Sep 20

PDX10:10 amPortland

37h 35m

2 stops

DUB7:45 amDublin

Oct 2

DUB9:20 amDublin

34h 13m

2 stops

PDX11:33 amPortland

$740

Air Canada

Oct 12

PDX11:30 pmPortland

24h 45m

2 stops

DUB8:15 amDublin

Oct 20

DUB9:50 amDublin

33h 43m

2 stops

PDX11:33 amPortland

$741

Air Canada

Sep 20

PDX7:45 pmPortland

28h 00m

2 stops

DUB7:45 amDublin

Oct 2

DUB9:50 amDublin

17h 16m

1 stop

PDX7:06 pmPortland

$745

Lufthansa flights from State of Washington to Ireland

Our best Lufthansa deals on State of Washington to Ireland flight tickets

Lufthansa

Sep 27

PDX3:30 pmPortland

32h 15m

2 stops

DUB7:45 amDublin

Oct 8

DUB6:00 amDublin

21h 06m

2 stops

PDX7:06 pmPortland

$733

Lufthansa

Sep 20

PDX3:30 pmPortland

32h 15m

2 stops

DUB7:45 amDublin

Oct 2

DUB9:50 amDublin

17h 16m

1 stop

PDX7:06 pmPortland

$739

Lufthansa

Aug 21

PDX3:30 pmPortland

56h 15m

2 stops

DUB7:45 amDublin

Sep 4

DUB9:50 amDublin

17h 21m

1 stop

PDX7:11 pmPortland

$772

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 10/20

1:30 pm-2:40 pm

1 stop17h 10m

Cork

Mon 11/2

5:45 am-7:05 pm

2 stops21h 20m

$706

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 10/20

11:15 am-2:40 pm

2 stops19h 25m

Cork

Mon 11/2

5:45 am-4:35 pm

2 stops18h 50m

$710

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Tue 10/20

1:30 pm-2:40 pm

1 stop17h 10m

Cork

Mon 11/2

3:25 pm-11:25 am

1 stop28h 00m

$716

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 11/11

11:30 am-8:10 am

1 stop12h 40m

Dublin

Wed 11/18

9:00 am-12:18 pm

2 stops35h 18m

$718

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 11/11

5:00 am-7:30 am

2 stops18h 30m

Dublin

Wed 11/18

9:00 am-9:05 pm

2 stops44h 05m

$722

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Fri 9/11

1:30 pm-2:25 pm

1 stop16h 55m

Cork

Mon 9/21

5:10 pm-11:47 am

1 stop26h 37m

$726

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 9/27

3:30 pm-7:45 am

2 stops32h 15m

Dublin

Thu 10/8

6:00 am-7:06 pm

2 stops21h 06m

$733

Quickest round-trip

SeattleCork

SEA - ORK

SEAORK

Seattle/Tacoma Intl

Fri 9/11

7:15 am-10:20 am

2 stops19h 05m

Cork

Mon 9/21

6:15 am-11:47 am

1 stop13h 32m

$734

PortlandDublin

PDX - DUB

PDXDUB

Portland

Fri 9/25

7:45 pm-7:45 am

2 stops52h 00m

Dublin

Fri 10/9

9:50 am-7:06 pm

1 stop17h 16m

$737

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 9/20

10:10 am-7:45 am

2 stops37h 35m

Dublin

Fri 10/2

9:20 am-11:33 am

2 stops34h 13m

$740

Flights are sorted by cheapest round-trip flights first.

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, August 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 $226. If you aren’t able to travel to Ireland during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $300.

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 $683. 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 $945. 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 in the evening. momondo users have found flights departing from State of Washington to Ireland in the evening for as low as $739. 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 $748.

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 from Washington 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 $633 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 $521 on momondo.

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

There are 2 cabin classes available to choose from on State of 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	$533
Fastest flight time	9h 05m
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 $533. The best round-trip flight deal from State of Washington to Ireland found on momondo in the last 72 hours is $1,000.

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 77 airports in Ireland. From State of Washington there are direct flights to Dublin (DUB).

Search flight deals

Frequently asked questions about flying from Washington to Ireland

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 June 2026, 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 73.77% of all bookings. The subsequent popular models are Airbus A330-900neo at 7.58%, Airbus A320-100/200 at 3.89%, and Boeing 787-10 Dreamliner at 2.25%.

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 7.1 3,001 reviews	Search JetBlue flights
Air Canada	PriceFrom $341	Free Cancellation	Rating 7.1 11,252 reviews	Search Air Canada flights
United Airlines	PriceFrom $341	Free Cancellation	Rating 7.4 9,887 reviews	Search United Airlines flights
Icelandair	PriceFrom $345	Free Cancellation	Rating 7.0 689 reviews	Search Icelandair flights
Iberia	PriceFrom $367	Free Cancellation	Rating 7.0 3,246 reviews	Search Iberia flights
Aer Lingus	PriceFrom $386	Free Cancellation	Rating 7.3 1,626 reviews	Search Aer Lingus flights
British Airways	PriceFrom $395	Free Cancellation	Rating 6.7 8,070 reviews	Search British Airways flights
Delta	PriceFrom $404	Free Cancellation	Rating 7.8 8,433 reviews	Search Delta flights
KLM	PriceFrom $405	Free Cancellation	Rating 7.8 1,530 reviews	Search KLM flights
Scandinavian Airlines	PriceFrom $444	Free Cancellation	Rating 7.4 1,852 reviews	Search Scandinavian Airlines 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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Popular cities in Ireland

Flights to Dublinfrom $321

Flights to Shannon, Clarefrom $597

Flights to Corkfrom $624

Flights to Knockfrom $717

Flights to Milltown (Kerry)from $783

Flights to Donegalfrom $793

Cheap flights from Washington to Ireland from $168

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 8/30. 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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Air Canada flights from State of Washington to Ireland

Our best Air Canada deals on State of Washington to Ireland flight tickets

Lufthansa flights from State of Washington to Ireland

Our best Lufthansa deals on State of Washington to Ireland flight tickets

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See travel insights to Ireland from

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

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?

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

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

Can stopping save me money on State of Washington to Ireland flights?

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

What airlines fly to Ireland?

How many flights depart from State of Washington to Ireland on average per day?

How many flights depart from State of Washington to Ireland on average per week?

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

Frequently asked questions about flying from 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?

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

State of Washington flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

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List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

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