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$281+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$529
(Finnair)

One-way from

$337
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$663

Good round-trip deal

$740 or less

Good one-way deal

$530 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. 23% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 3, 2025.

This United Airlines deal was found by Cheapflights users on 4/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:55 pmPDX - DUB
2 stops23h 05mUnited Airlines
Fri 11/2111:50 amDUB - PDX
2 stops19h 24mUnited Airlines
Deal found 4/2$526
This Delta deal was found by Cheapflights users on 4/2. 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.
Fri 10/2412:40 amPDX - DUB
1 stop24h 05mDelta
Tue 11/49:45 amDUB - PDX
1 stop18h 40mDelta
Deal found 4/2$527
This Finnair deal was found by Cheapflights users on 4/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/277:25 pmPDX - DUB
1 stop13h 40mMultiple Airlines
Wed 6/111:45 pmDUB - PDX
1 stop17h 17mMultiple Airlines
Deal found 4/2$529
This Finnair deal was found by Cheapflights users on 4/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:35 amPDX - DUB
1 stop18h 10mFinnair
Tue 5/69:45 amDUB - PDX
2 stops22h 14mFinnair
Deal found 4/2$532
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 9/247:25 pmPDX - DUB
1 stop14h 05mAmerican Airlines
Fri 10/312:45 pmDUB - PDX
1 stop12h 50mAmerican Airlines
Deal found 4/2$542
This British Airways deal was found by Cheapflights users on 4/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:25 pmPDX - DUB
1 stop16h 10mBritish Airways
Thu 10/210:40 amDUB - PDX
1 stop14h 55mBritish Airways
Deal found 4/2$544
This KLM deal was found by Cheapflights users on 4/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1311:50 amPDX - DUB
1 stop11h 55mKLM
Tue 5/2712:00 pmDUB - PDX
1 stop16h 12mKLM
Deal found 4/2$545
This FlightHub deal was found by Cheapflights users on 4/2. 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.
Thu 10/23:20 pmPDX - DUB
1 stop11h 45mIcelandair
Fri 10/1012:15 pmDUB - PDX
1 stop13h 40mIcelandair
Deal found 4/2$546
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 4/291:35 pmSEA - SNN
2 stops18h 35mAmerican Airlines
Tue 5/67:40 amSNN - SEA
2 stops22h 10mAmerican Airlines
Deal found 4/1$556
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:40 pmPDX - DUB
1 stop28h 05mAir Canada
Fri 10/39:20 amDUB - PDX
2 stops35h 07mAir Canada
Deal found 4/1$557
This Delta deal was found by Cheapflights users on 4/2. 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.
Fri 10/171:15 pmPDX - ORK
1 stop26h 15mDelta
Thu 10/235:10 pmORK - PDX
1 stop26h 10mDelta
Deal found 4/2$562
This Delta deal was found by Cheapflights users on 4/2. 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.
Tue 10/78:25 amSEA - DUB
1 stop15h 20mDelta
Tue 10/286:00 amDUB - SEA
2 stops23h 48mDelta
Deal found 4/2$586

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 April 3, 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

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 5/27

7:25 pm-5:05 pm

1 stop13h 40m

Dublin

Wed 6/11

1:45 pm-11:02 pm

1 stop17h 17m

$529

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/29

7:35 am-9:45 am

1 stop18h 10m

Dublin

Tue 5/6

9:45 am-11:59 pm

2 stops22h 14m

$532

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/29

7:35 am-9:45 am

1 stop18h 10m

Dublin

Tue 5/6

12:40 pm-9:21 pm

1 stop16h 41m

$535

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 4/13

6:35 am-10:45 am

2 stops20h 10m

Dublin

Tue 4/29

10:00 am-6:06 pm

2 stops16h 06m

$536

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 4/13

7:25 pm-7:35 pm

1 stop16h 10m

Dublin

Tue 4/22

12:40 pm-10:47 pm

1 stop18h 07m

$538

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 5/13

11:50 am-7:45 am

1 stop11h 55m

Dublin

Tue 5/27

12:00 pm-8:12 pm

1 stop16h 12m

$545

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/29

1:35 pm-4:10 pm

2 stops18h 35m

Shannon

Tue 5/6

7:40 am-9:50 pm

2 stops22h 10m

$556

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 5/14

6:50 am-7:10 am

1 stop16h 20m

Dublin

Tue 6/3

9:20 am-3:13 pm

2 stops37h 53m

$562

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 5/5

7:25 pm-7:40 am

1 stop28h 15m

Dublin

Mon 5/19

8:55 pm-10:39 pm

2 stops33h 44m

$582

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 5/25

7:14 am-11:10 am

1 stop19h 56m

Shannon

Tue 6/10

1:05 pm-9:30 pm

1 stop16h 25m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 58 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 $1,006). 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 April 3, 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.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated April 3, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Washington to Ireland to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 18 times in the past calendar month.

  • 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 Scandinavian Airlines ($391), Icelandair ($395), and WestJet ($426).

  • 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 $1,006). 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$380Average$723FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$437Average$753FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$439Average$784FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$455Average$862FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$473Average$492FlexibilityNo cancel feeOn-time77%
KLMCheapest$474Average$790FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$480Average$828FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$501Average$788FlexibilityNo cancel feeOn-time76%
DeltaCheapest$505Average$798FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$509Average$751FlexibilityNo cancel feeOn-time67%

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