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$290+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
apr. 5 — apr. 121
lør. 4/5
lør. 4/12
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 marts 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(Ticket)

One-way from

$290
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$698

Good round-trip deal

$925 or less

Good one-way deal

$572 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 ($205 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marts 31, 2025.

This Ticket deal was found by Cheapflights users on 3/31. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 5/227:05 pmDUB - SEA
1 stop26h 45mScandinavian Airlines
lør. 5/314:00 pmSEA - DUB
1 stop16h 10mScandinavian Airlines
Deal found 3/31$339
This Ticket deal was found by Cheapflights users on 3/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 5/1412:15 pmDUB - SEA
1 stop13h 35mIcelandair
ons. 5/2111:30 pmSEA - DUB
1 stop27h 35mIcelandair
Deal found 3/30$562
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 5/1112:50 pmDUB - PDX
1 stop32h 02mWestJet
man. 5/261:45 pmPDX - DUB
1 stop13h 05mWestJet
Deal found 3/30$567
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 5/1112:50 pmDUB - PDX
1 stop32h 02mMultiple Airlines
man. 5/265:06 pmPDX - DUB
2 stops33h 44mMultiple Airlines
Deal found 3/30$568
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 5/712:50 pmDUB - SEA
1 stop15h 38mMultiple Airlines
tir. 5/207:00 pmSEA - DUB
2 stops15h 35mMultiple Airlines
Deal found 3/30$652
This Gotogate deal was found by Cheapflights users on 3/31. 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.
søn. 5/1112:15 pmDUB - PDX
1 stop13h 40mIcelandair
søn. 5/253:20 pmPDX - DUB
1 stop13h 55mIcelandair
Deal found 3/31$657
This Bravofly deal was found by Cheapflights users on 3/30. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 5/163:20 pmDUB - SEA
Nonstop9h 39mAer Lingus
fre. 5/306:45 pmSEA - DUB
Nonstop9h 00mAer Lingus
Deal found 3/30$657
This British Airways deal was found by Cheapflights users on 3/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 4/910:55 amDUB - SEA
1 stop15h 25mBritish Airways
ons. 4/161:30 pmSEA - DUB
1 stop14h 25mBritish Airways
Deal found 3/29$668
This KLM deal was found by Cheapflights users on 3/31. 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.
man. 4/145:10 pmORK - SEA
1 stop30h 50mKLM
man. 4/211:30 pmSEA - ORK
1 stop17h 10mKLM
Deal found 3/31$673
This Delta deal was found by Cheapflights users on 3/31. 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.
ons. 5/711:10 amDUB - SEA
1 stop12h 47mDelta
tir. 5/2010:25 amSEA - DUB
2 stops20h 35mDelta
Deal found 3/31$673
This Vliegwinkel deal was found by Cheapflights users on 3/30. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 5/1412:15 pmDUB - GEG
2 stops18h 49mMultiple Airlines
ons. 5/219:30 amGEG - DUB
2 stops41h 35mMultiple Airlines
Deal found 3/30$695
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 4/512:40 pmDUB - SEA
1 stop18h 29mAmerican Airlines
lør. 4/1211:54 amSEA - DUB
1 stop13h 51mAmerican Airlines
Deal found 3/29$697

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 marts 31, 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

tor. 5/22

7:05 pm-1:50 pm

1 stop26h 45m

Seattle/Tacoma Intl

lør. 5/31

4:00 pm-4:10 pm

1 stop16h 10m

$339

DublinSeattle

DUB - SEA

DUBSEA

Dublin

ons. 5/14

12:15 pm-5:50 pm

1 stop13h 35m

Seattle/Tacoma Intl

ons. 5/21

11:30 pm-11:05 am

1 stop27h 35m

$562

DublinPortland

DUB - PDX

DUBPDX

Dublin

søn. 5/11

12:50 pm-12:52 pm

1 stop32h 02m

Portland

man. 5/26

1:45 pm-10:50 am

1 stop13h 05m

$567

DublinPortland

DUB - PDX

DUBPDX

Dublin

søn. 5/11

12:50 pm-12:52 pm

1 stop32h 02m

Portland

man. 5/26

5:06 pm-10:50 am

2 stops33h 44m

$568

DublinSeattle

DUB - SEA

DUBSEA

Dublin

ons. 5/7

12:50 pm-8:28 pm

1 stop15h 38m

Seattle/Tacoma Intl

tir. 5/20

7:00 pm-6:35 pm

2 stops15h 35m

$652

DublinSeattle

DUB - SEA

DUBSEA

Dublin

fre. 5/16

3:20 pm-4:59 pm

Nonstop9h 39m

Seattle/Tacoma Intl

fre. 5/30

6:45 pm-11:45 am

Nonstop9h 00m

$657

DublinPortland

DUB - PDX

DUBPDX

Dublin

søn. 5/11

12:15 pm-5:55 pm

1 stop13h 40m

Portland

søn. 5/25

3:20 pm-1:15 pm

1 stop13h 55m

$657

CorkSeattle

ORK - SEA

ORKSEA

Cork

man. 4/14

5:10 pm-4:00 pm

1 stop30h 50m

Seattle/Tacoma Intl

man. 4/21

1:30 pm-2:40 pm

1 stop17h 10m

$673

DublinSeattle

DUB - SEA

DUBSEA

Dublin

ons. 5/7

11:10 am-3:57 pm

1 stop12h 47m

Seattle/Tacoma Intl

tir. 5/20

10:25 am-3:00 pm

2 stops20h 35m

$673

DublinSpokane

DUB - GEG

DUBGEG

Dublin

ons. 5/14

12:15 pm-11:04 pm

2 stops18h 49m

Spokane

ons. 5/21

9:30 am-11:05 am

2 stops41h 35m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 55 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 $411). 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 marts 31, 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.

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 marts 31, 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
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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 $291 on WestJet. Other airlines that offer cheap prices include Icelandair from $390 and Scandinavian Airlines from $409 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 $411). 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 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 marts 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$556Average$766FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$605Average$883FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$684Average$832FlexibilityNo cancel feeOn-time71%
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