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Ireland

$221+ Cheap flights from Washington to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Washington to Ireland

Keep the following information in mind while searching for Washington to Ireland flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$406
(FlightHub)

One-way from

$221
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$606

Good round-trip deal

$548 or less

Good one-way deal

$468 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Dublin flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Dublin flights.
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From Washington to Ireland
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One-way flight from Washington to Ireland
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Highest demand for flights based on searches. 22% potential increase in price ($190 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Washington to Ireland.
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Price to beat on a one-way flight from Washington to Ireland.
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Find flight deals from Washington to Ireland

Cheapest flights from Washington to Ireland
Explore the most affordable flight options available from Washington to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This FlightHub deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:05 pmSEA - DUB
Nonstop9h 05mAer Lingus
Fri 12/124:30 pmDUB - SEA
Nonstop9h 50mAer Lingus
Deal found 10/16$408
This Flightnetwork deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:35 pmSEA - DUB
Nonstop9h 05mAer Lingus
Wed 11/54:30 pmDUB - SEA
Nonstop9h 50mAer Lingus
Deal found 10/16$410
This FlightHub deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:35 pmSEA - DUB
1 stop11h 40mIcelandair
Wed 4/1512:15 pmDUB - SEA
1 stop13h 35mIcelandair
Deal found 10/16$411
This Gotogate deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:05 pmSEA - DUB
Nonstop9h 05mAer Lingus
Wed 11/54:30 pmDUB - SEA
Nonstop9h 50mAer Lingus
Deal found 10/16$414
This Ovago deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:45 pmPDX - DUB
1 stop13h 20mBritish Airways
Tue 11/256:00 pmDUB - PDX
1 stop29h 55mBritish Airways
Deal found 10/15$414
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:50 pmSEA - DUB
1 stop14h 55mAmerican Airlines
Wed 11/196:40 amDUB - SEA
1 stop18h 15mAmerican Airlines
Deal found 10/16$417
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:45 pmPDX - DUB
1 stop15h 20mAmerican Airlines
Tue 11/1811:30 amDUB - PDX
2 stops19h 56mAmerican Airlines
Deal found 10/16$417
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:35 pmSEA - DUB
1 stop11h 40mIcelandair
Sat 12/1311:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 10/14$418
This Orbitz deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:05 pmSEA - DUB
Nonstop9h 05mAer Lingus
Wed 12/104:30 pmDUB - SEA
Nonstop9h 50mAer Lingus
Deal found 10/15$419
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:50 pmSEA - DUB
1 stop14h 55mMultiple Airlines
Tue 11/1111:30 amDUB - SEA
1 stop19h 00mMultiple Airlines
Deal found 10/14$420
This Gurufare deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:45 pmPDX - DUB
1 stop13h 40mBritish Airways
Wed 11/198:50 amDUB - PDX
2 stops22h 36mBritish Airways
Deal found 10/14$420
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:55 pmSEA - DUB
1 stop24h 00mDelta
Wed 11/511:30 amDUB - SEA
1 stop18h 52mDelta
Deal found 10/15$424

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Washington to Ireland that are best for you.

Fly from

Washington

Fly to

Ireland

Route

Depart

Return

Price

PortlandCork

PDX - ORK

PDXORK

Portland

Wed 1/14

5:45 pm-3:25 pm

1 stop13h 40m

Cork

Wed 2/4

7:40 am-8:27 pm

2 stops20h 47m

$431

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 12/2

6:00 am-7:45 am

1 stop17h 45m

Dublin

Tue 12/16

9:45 am-5:43 pm

1 stop15h 58m

$433

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 11/11

9:28 am-9:20 am

2 stops15h 52m

Dublin

Tue 11/18

10:45 am-8:06 pm

1 stop17h 21m

$438

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 11/12

8:35 am-8:40 am

2 stops16h 05m

Dublin

Wed 11/19

11:30 am-11:26 pm

2 stops19h 56m

$438

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 12/3

6:00 am-7:45 am

1 stop17h 45m

Dublin

Thu 12/11

10:45 am-10:19 am

2 stops31h 34m

$438

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 1/4

12:49 am-7:15 am

1 stop22h 26m

Dublin

Fri 1/23

11:30 am-10:09 pm

2 stops18h 39m

$438

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 12/2

7:35 am-9:20 am

1 stop17h 45m

Dublin

Wed 12/10

10:45 am-10:19 am

2 stops31h 34m

$438

PascoDublin

PSC - DUB

PSCDUB

Pasco Tri Cities

Mon 10/27

5:45 pm-7:45 am

2 stops31h 00m

Dublin

Tue 11/4

9:45 am-10:55 pm

2 stops21h 10m

$438

PascoDublin

PSC - DUB

PSCDUB

Pasco Tri Cities

Tue 1/13

5:20 am-8:45 am

2 stops19h 25m

Dublin

Tue 1/20

10:45 am-10:49 pm

2 stops20h 04m

$438

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 1/5

9:55 pm-8:45 am

1 stop26h 50m

Dublin

Tue 1/13

10:45 am-10:16 pm

1 stop19h 31m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 55 results
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Best time to book a flight from Washington to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Ireland

What is the cheapest month to book a flight from State of Washington to Ireland?

Currently, November is the cheapest month in which you can book a flight from State of Washington to Ireland (average of $308). Flying from State of Washington to Ireland in June is currently the most expensive (average of $681). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to IE?

Find hourly flight availability from Washington to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

It’s optimal to fly from State of Washington to Ireland in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from State of Washington to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Washington to Ireland. Price data was last updated on December 1, 2024.

Travelers seeking maximum savings on their State of Washington to Ireland flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from State of Washington to Ireland

Explore weekly flight availability from Washington to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 16, 2025.

The most flights from USWA to IE0 are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Washington to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this State of Washington to Ireland flight route?

    Flights from Washington to Ireland have been viewed 15 times in the past calendar month.

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

    Departing from State of Washington to Ireland will take you 13h 40m. Airlines will cover a distance of 4650 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Ireland one-way?

    The cheapest airlines for a one-way flight from State of Washington to Ireland are WestJet ($221), Icelandair ($350), and Lufthansa ($370).

  • Can I find deals for flights from Washington to Ireland that include hotel bookings?

    Yes. In addition to deals on Washington to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Ireland.

  • Can I find deals for business class flights from Washington to Ireland?

    Yes. Cheapflights offers flight deals from Washington to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Ireland?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Ireland (average of $308). Flying from State of Washington to Ireland in June is currently the most expensive (average of $681). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington to Ireland

Discover the top 10 airlines that operate flights from Washington to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$402FlexibilityNo cancel feeOn-time62%
Air FranceCheapest$337Average$732FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$341Average$706FlexibilityNo cancel feeOn-time67%
IberiaCheapest$363Average$497FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$370Average$728FlexibilityNo cancel feeOn-time76%
KLMCheapest$405Average$700FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$425Average$860FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$425Average$758FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$431Average$706FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$468Average$506FlexibilityNo cancel feeOn-time77%

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