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$215+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
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 August 28, 2025.

Round-trip from

$377
(oojo)

One-way from

$215
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$662

Good round-trip deal

$530 or less

Good one-way deal

$428 or less
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 ($196 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 28, 2025.

This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/203:45 pmSEA - DUB
1 stop13h 30mIcelandair
Wed 11/511:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/26$375
This oojo deal was found by Cheapflights users on 8/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:35 pmSEA - DUB
1 stop11h 40mIcelandair
Fri 12/1211:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/27$377
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:35 pmSEA - DUB
1 stop11h 40mIcelandair
Sun 11/911:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/26$379
This Icelandair deal was found by Cheapflights users on 8/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:35 pmSEA - DUB
1 stop11h 40mIcelandair
Wed 11/2611:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/27$381
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:35 pmSEA - DUB
1 stop11h 40mIcelandair
Sun 12/711:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/26$390
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:35 pmSEA - DUB
1 stop11h 40mIcelandair
Fri 11/1411:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/28$394
This Gurufare deal was found by Cheapflights users on 8/26. 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.
Fri 11/72:35 pmSEA - DUB
1 stop11h 40mIcelandair
Sun 11/911:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/26$397
This Gotogate deal was found by Cheapflights users on 8/26. 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.
Mon 10/207:35 pmSEA - DUB
Nonstop9h 05mAer Lingus
Wed 11/54:30 pmDUB - SEA
Nonstop9h 50mAer Lingus
Deal found 8/26$400
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/203:45 pmSEA - DUB
1 stop13h 30mIcelandair
Sun 11/211:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/26$406
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:05 pmSEA - DUB
Nonstop9h 05mAer Lingus
Wed 11/124:30 pmDUB - SEA
Nonstop9h 50mAer Lingus
Deal found 8/26$410
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 11/172:35 pmSEA - DUB
1 stop11h 40mIcelandair
Wed 11/2611:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 8/26$416
This United deal was found by Cheapflights users on 8/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:20 amPDX - DUB
1 stop19h 00mMultiple Airlines
Wed 11/129:00 amDUB - PDX
2 stops32h 15mMultiple Airlines
Deal found 8/26$453

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 August 28, 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

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 11/17

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Tue 11/25

11:30 am-5:00 pm

1 stop13h 30m

$381

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 11/18

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Wed 11/26

11:30 am-5:00 pm

1 stop13h 30m

$381

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 11/18

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Tue 11/25

11:30 am-5:00 pm

1 stop13h 30m

$381

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 11/17

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Wed 11/26

11:30 am-5:00 pm

1 stop13h 30m

$381

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 11/23

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Tue 4/14

2:15 pm-5:50 pm

1 stop11h 35m

$433

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 11/23

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Wed 4/15

12:15 pm-5:50 pm

1 stop13h 35m

$433

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 11/23

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Mon 4/13

2:15 pm-5:50 pm

1 stop11h 35m

$433

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 11/10

11:15 pm-8:40 am

1 stop25h 25m

Dublin

Wed 11/26

11:30 am-8:59 pm

2 stops17h 29m

$443

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sun 11/23

7:30 am-9:20 am

1 stop17h 50m

Dublin

Tue 12/2

8:45 am-10:23 pm

2 stops21h 38m

$452

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 11/12

7:20 am-8:45 am

1 stop17h 25m

Dublin

Wed 11/26

6:00 am-8:44 pm

2 stops22h 44m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

Showing 1-10 of 60 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 $509). Flying from State of Washington to Ireland in June is currently the most expensive (average of $925). 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 August 28, 2025.

When flying from State of Washington to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 28, 2025.

The most flights from USWA to IE0 are scheduled on a Monday (3 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 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 11h 40m. Airlines will cover a distance of 4523 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 ($215), JetBlue ($336), and American Airlines ($387).

  • 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 $509). Flying from State of Washington to Ireland in June is currently the most expensive (average of $925). 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

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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 August 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$621FlexibilityNo cancel feeOn-time62%
Air FranceCheapest$337Average$732FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$341Average$737FlexibilityNo cancel feeOn-time67%
IberiaCheapest$363Average$524FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$375Average$733FlexibilityNo cancel feeOn-time76%
DeltaCheapest$399Average$816FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$405Average$722FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$423Average$760FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$431Average$716FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$448Average$862FlexibilityNo cancel feeOn-time70%

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