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$246+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$516
(United Airlines)

One-way from

$246
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$780

Good round-trip deal

$752 or less

Good one-way deal

$529 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 ($210 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in May 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 mayo 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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.
jue. 9/118:30 amPDX - SNN
1 stop15h 00mUnited Airlines
mié. 9/249:30 amSNN - PDX
1 stop21h 00mUnited Airlines
Deal found 4/30$516
This CheapOair deal was found by Cheapflights users on 4/30. 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.
jue. 10/910:00 amPDX - DUB
1 stop13h 45mMultiple Airlines
lun. 10/201:00 pmDUB - PDX
2 stops37h 46mMultiple Airlines
Deal found 4/30$555
This Orbitz deal was found by Cheapflights users on 4/30. 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.
sáb. 8/96:15 amPDX - DUB
2 stops18h 00mAir Canada
sáb. 8/169:20 amDUB - PDX
1 stop21h 36mAir Canada
Deal found 4/30$557
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/276:15 amPDX - DUB
1 stop17h 30mUnited Airlines
mar. 6/39:20 amDUB - PDX
2 stops40h 09mUnited Airlines
Deal found 4/29$558
This Delta deal was found by Cheapflights users on 4/29. 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.
lun. 10/1312:40 amPDX - DUB
1 stop23h 15mDelta
mar. 10/289:45 amDUB - PDX
1 stop17h 40mDelta
Deal found 4/29$563
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
mié. 5/75:26 amPDX - DUB
1 stop20h 19mIberia
mié. 5/1412:40 pmDUB - PDX
1 stop16h 41mIberia
Deal found 4/30$572
This oojo deal was found by Cheapflights users on 4/30. 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.
vie. 5/303:20 pmPDX - DUB
1 stop13h 55mIcelandair
vie. 6/612:15 pmDUB - PDX
1 stop13h 40mIcelandair
Deal found 4/30$578
This FlightHub deal was found by Cheapflights users on 4/30. 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.
jue. 9/1810:00 amPDX - DUB
1 stop13h 45mLufthansa
mar. 9/309:20 amDUB - PDX
1 stop17h 26mLufthansa
Deal found 4/30$580
This Icelandair deal was found by Cheapflights users on 4/29. 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.
jue. 8/2111:30 pmSEA - DUB
1 stop29h 45mIcelandair
mar. 8/262:15 pmDUB - SEA
1 stop29h 10mIcelandair
Deal found 4/29$604
This Air Canada deal was found by Cheapflights users on 4/29. 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.
jue. 8/147:00 amSEA - DUB
2 stops16h 45mMultiple Airlines
jue. 8/219:20 amDUB - SEA
2 stops17h 16mMultiple Airlines
Deal found 4/29$605
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mié. 8/207:05 amSEA - DUB
3 stops19h 15mUnited Airlines
jue. 8/289:20 amDUB - SEA
1 stop19h 21mUnited Airlines
Deal found 4/29$606
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:20 amSEA - DUB
2 stops26h 55mScandinavian Airlines
mar. 10/77:05 pmDUB - SEA
1 stop26h 55mScandinavian Airlines
Deal found 4/29$607

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 mayo 1, 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

PortlandShannon

PDX - SNN

PDXSNN

Portland

jue. 9/11

8:30 am-7:30 am

1 stop15h 00m

Shannon

mié. 9/24

9:30 am-10:30 pm

1 stop21h 00m

$516

PortlandDublin

PDX - DUB

PDXDUB

Portland

jue. 10/9

10:00 am-7:45 am

1 stop13h 45m

Dublin

lun. 10/20

1:00 pm-6:46 pm

2 stops37h 46m

$555

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb. 8/9

6:15 am-8:15 am

2 stops18h 00m

Dublin

sáb. 8/16

9:20 am-10:56 pm

1 stop21h 36m

$557

PortlandDublin

PDX - DUB

PDXDUB

Portland

mar. 5/27

6:15 am-7:45 am

1 stop17h 30m

Dublin

mar. 6/3

9:20 am-5:29 pm

2 stops40h 09m

$558

PortlandDublin

PDX - DUB

PDXDUB

Portland

lun. 10/13

12:40 am-7:55 am

1 stop23h 15m

Dublin

mar. 10/28

9:45 am-8:25 pm

1 stop17h 40m

$563

PortlandDublin

PDX - DUB

PDXDUB

Portland

vie. 5/30

3:20 pm-1:15 pm

1 stop13h 55m

Dublin

vie. 6/6

12:15 pm-5:55 pm

1 stop13h 40m

$578

PortlandDublin

PDX - DUB

PDXDUB

Portland

jue. 9/18

10:00 am-7:45 am

1 stop13h 45m

Dublin

mar. 9/30

9:20 am-6:46 pm

1 stop17h 26m

$580

PortlandDublin

PDX - DUB

PDXDUB

Portland

mié. 5/14

7:14 am-9:15 am

1 stop18h 01m

Dublin

jue. 11/27

9:45 am-4:07 pm

1 stop14h 22m

$608

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

sáb. 7/12

11:45 pm-8:15 am

2 stops24h 30m

Dublin

vie. 8/22

9:20 am-1:01 pm

1 stop11h 41m

$608

PortlandDublin

PDX - DUB

PDXDUB

Portland

jue. 8/21

7:25 pm-7:40 am

1 stop28h 15m

Dublin

lun. 9/1

11:05 am-5:35 pm

1 stop14h 30m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $981). 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 mayo 1, 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 mayo 1, 2025.

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

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 mayo 1, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and SWISS 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
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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 16 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 Icelandair ($264), Iberia ($369), and Air Canada ($384).

  • 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 $981). 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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John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
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O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
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Newark to Dublin flights
John F Kennedy Intl to Dublin flights
Dulles Intl to Charles de Gaulle flights
Newark to Madrid flights
O'Hare Intl to Charles de Gaulle flights
Boston to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Athens flights
Baltimore to Heathrow flights
Dallas/Fort Worth to Charles de Gaulle flights
Boston to Charles de Gaulle flights
LaGuardia to Gatwick flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Malpensa flights
LaGuardia to Athens flights
Boston to Gatwick flights
Atlanta to Heathrow flights
San Francisco to Charles de Gaulle flights
Newark to Frankfurt flights

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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$380Average$715FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$437Average$856FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$441Average$774FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$455Average$818FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$468Average$506FlexibilityNo cancel feeOn-time77%
KLMCheapest$474Average$806FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$480Average$814FlexibilityNo cancel feeOn-time69%
DeltaCheapest$490Average$800FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$501Average$770FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$509Average$746FlexibilityNo cancel feeOn-time67%

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