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$352+ Cheap flights from Ireland to Washington

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
mai 6 — mai 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheap flight deals from Ireland to Washington

Keep the following information in mind while searching for Ireland to Washington flight deals. Data was last updated mai 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$419
(ResecentrumGruppen)

One-way from

$382
(oojo)

Popular in

July

Cheapest in

February

Average price

$683

Good round-trip deal

$874 or less

Good one-way deal

$595 or less
Provider with most accurate pricing for Dublin-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Dublin-Seattle/Tacoma Intl flights.
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From Ireland to Washington
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One-way flight from Ireland to Washington
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Highest demand for flights based on searches. 21% potential increase in price ($207 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 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 Ireland to Washington.
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Price to beat on a one-way flight from Ireland to Washington.
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Find flight deals from Ireland to Washington

Cheapest flights from Ireland to Washington
Explore the most affordable flight options available from Ireland to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mai 1, 2025.

This ResecentrumGruppen 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 6/57:05 pmDUB - SEA
1 stop26h 45mScandinavian Airlines
ven. 6/134:00 pmSEA - DUB
1 stop33h 25mScandinavian Airlines
Deal found 4/29$419
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/1112:15 pmDUB - SEA
1 stop16h 25mIcelandair
lun. 5/267:00 pmSEA - DUB
1 stop32h 05mIcelandair
Deal found 4/29$602
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/216:15 pmDUB - SEA
2 stops28h 50mMultiple Airlines
mer. 6/45:05 pmSEA - DUB
2 stops24h 05mMultiple Airlines
Deal found 4/30$616
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/710:55 amDUB - SEA
1 stop15h 25mBritish Airways
mar. 5/201:30 pmSEA - DUB
1 stop14h 25mBritish Airways
Deal found 4/30$671
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/2210:50 amDUB - SEA
1 stop15h 30mAmerican Airlines
jeu. 10/307:50 pmSEA - DUB
1 stop17h 00mAmerican Airlines
Deal found 4/30$678
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/93:20 pmDUB - SEA
Nonstop9h 39mAer Lingus
ven. 5/307:35 pmSEA - DUB
Nonstop9h 00mAer Lingus
Deal found 4/29$690
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 6/137:05 pmDUB - GEG
2 stops29h 35mScandinavian Airlines
ven. 6/201:00 pmGEG - DUB
2 stops36h 25mScandinavian Airlines
Deal found 4/29$691
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.
mer. 5/215:55 amDUB - SEA
1 stop13h 45mDelta
mer. 6/41:30 pmSEA - DUB
1 stop17h 30mDelta
Deal found 4/29$701
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/86:00 amORK - SEA
1 stop17h 57mMultiple Airlines
mar. 5/131:30 pmSEA - ORK
1 stop17h 10mMultiple Airlines
Deal found 4/29$703
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/611:30 amDUB - SEA
1 stop17h 24mJetBlue
jeu. 6/511:28 amSEA - DUB
1 stop13h 32mJetBlue
Deal found 4/29$721
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/810:40 amDUB - PDX
1 stop34h 32mJetBlue
ven. 5/232:30 pmPDX - DUB
1 stop34h 30mJetBlue
Deal found 4/30$722
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/84:55 pmSNN - SEA
2 stops32h 55mMultiple Airlines
lun. 5/123:45 pmSEA - SNN
2 stops20h 50mMultiple Airlines
Deal found 4/30$752

Cheapflights Fare Finder

Customize your flight search to find flights from Ireland to Washington 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 mai 1, 2025.
Use the filters below to find and compare flights from Ireland to Washington that are best for you.

Fly from

Ireland

Fly to

Washington

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

ven. 6/6

7:05 pm-1:50 pm

1 stop26h 45m

Seattle/Tacoma Intl

ven. 6/13

4:00 pm-9:25 am

1 stop33h 25m

$422

DublinSeattle

DUB - SEA

DUBSEA

Dublin

ven. 5/16

12:15 pm-8:40 pm

1 stop16h 25m

Seattle/Tacoma Intl

jeu. 5/29

11:30 pm-1:15 pm

1 stop29h 45m

$604

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 5/14

3:45 pm-3:05 pm

2 stops31h 20m

Seattle/Tacoma Intl

mer. 5/21

5:05 pm-9:10 am

3 stops32h 05m

$607

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 10/22

10:50 am-6:20 pm

1 stop15h 30m

Seattle/Tacoma Intl

jeu. 10/30

7:50 pm-7:50 pm

1 stop17h 00m

$678

DublinSeattle

DUB - SEA

DUBSEA

Dublin

ven. 5/16

4:10 pm-5:50 pm

Nonstop9h 40m

Seattle/Tacoma Intl

jeu. 5/29

7:35 pm-12:40 pm

Nonstop9h 05m

$691

DublinSpokane

DUB - GEG

DUBGEG

Dublin

ven. 6/13

7:05 pm-4:40 pm

2 stops29h 35m

Spokane

ven. 6/20

1:00 pm-9:25 am

2 stops36h 25m

$691

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mar. 5/27

8:20 pm-11:35 am

1 stop23h 15m

Seattle/Tacoma Intl

mar. 6/3

8:20 pm-7:30 pm

1 stop15h 10m

$698

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 5/21

5:55 am-11:40 am

1 stop13h 45m

Seattle/Tacoma Intl

mer. 6/4

1:30 pm-3:00 pm

1 stop17h 30m

$702

DublinSeattle

DUB - SEA

DUBSEA

Dublin

mer. 5/28

11:30 am-8:54 pm

1 stop17h 24m

Seattle/Tacoma Intl

mer. 6/11

11:28 am-9:00 am

1 stop13h 32m

$722

DublinPortland

DUB - PDX

DUBPDX

Dublin

mar. 6/10

11:30 am-12:52 pm

2 stops33h 22m

Portland

dim. 6/15

7:40 pm-10:00 am

2 stops30h 20m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 58 results
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Best time to book a flight from Ireland to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Ireland 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 Ireland to Washington

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

Currently, January is the cheapest month in which you can book a flight from Ireland to State of Washington (average of $238). Flying from Ireland to State of Washington in July is currently the most expensive (average of $405). 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 IE to WA?

Find hourly flight availability from Ireland to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mai 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to State of Washington as you normally would.

Weekly flight availability from Ireland to State of Washington

Explore weekly flight availability from Ireland to Washington. 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 mai 1, 2025.

The most flights from IE0 to USWA 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 Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated mai 1, 2025.
To help decide which airline to fly from Ireland to Washington, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to Washington. 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 Ireland to State of Washington flight route?

    Flights from Ireland to Washington have been viewed 2 times in the past calendar month.

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

    One-way options have recently been found by users for as low as $382 on Icelandair. Other airlines that offer cheap prices include WestJet from $387 and Scandinavian Airlines from $470 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland to Washington 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 Ireland to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Ireland to State of Washington (average of $238). Flying from Ireland to State of Washington in July is currently the most expensive (average of $405). 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 Ireland to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ireland to Washington

Discover the top 3 airlines that operate flights from Ireland to Washington. 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 mai 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$556Average$807FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$611Average$878FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$684Average$832FlexibilityNo cancel feeOn-time71%

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