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$311+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$423
(Mytrip)

One-way from

$311
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$658

Good round-trip deal

$874 or less

Good one-way deal

$573 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 ($206 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 April 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 April 25, 2025.

This Mytrip deal was found by Cheapflights users on 4/24. 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.
Fri 5/237:05 pmDUB - SEA
1 stop26h 45mScandinavian Airlines
Wed 6/44:00 pmSEA - DUB
1 stop35h 50mScandinavian Airlines
Deal found 4/24$423
This Gotogate deal was found by Cheapflights users on 4/25. 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.
Wed 5/1412:15 pmDUB - SEA
1 stop13h 35mIcelandair
Wed 5/287:00 pmSEA - DUB
1 stop32h 05mIcelandair
Deal found 4/25$604
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Wed 5/2110:20 amDUB - SEA
3 stops30h 58mMultiple Airlines
Wed 5/282:55 pmSEA - DUB
3 stops35h 55mMultiple Airlines
Deal found 4/23$665
This Bravofly deal was found by Cheapflights users on 4/25. 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.
Wed 5/143:20 pmDUB - SEA
Nonstop9h 39mAer Lingus
Wed 5/287:35 pmSEA - DUB
Nonstop9h 00mAer Lingus
Deal found 4/25$685
This British Airways deal was found by Cheapflights users on 4/24. 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.
Sat 5/38:10 pmDUB - SEA
1 stop23h 20mBritish Airways
Sun 5/181:30 pmSEA - DUB
1 stop14h 25mBritish Airways
Deal found 4/24$697
This Delta deal was found by Cheapflights users on 4/24. 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.
Thu 5/111:10 amDUB - SEA
2 stops20h 29mDelta
Thu 5/151:30 pmSEA - DUB
1 stop17h 30mDelta
Deal found 4/24$703
This JetBlue deal was found by Cheapflights users on 4/25. 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.
Thu 5/810:40 amDUB - PDX
1 stop34h 32mJetBlue
Fri 5/232:30 pmPDX - DUB
1 stop34h 30mJetBlue
Deal found 4/25$721
This JetBlue deal was found by Cheapflights users on 4/25. 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.
Mon 6/911:30 amDUB - SEA
1 stop17h 24mJetBlue
Mon 6/1611:30 amSEA - DUB
1 stop13h 30mJetBlue
Deal found 4/25$721
This British Airways deal was found by Cheapflights users on 4/25. 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.
Tue 5/2012:45 pmDUB - PDX
1 stop12h 50mBritish Airways
Tue 5/277:25 pmPDX - DUB
1 stop16h 05mBritish Airways
Deal found 4/25$755
This Gurufare deal was found by Cheapflights users on 4/25. 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.
Sun 5/1812:15 pmDUB - PDX
1 stop13h 40mIcelandair
Sun 5/253:20 pmPDX - DUB
1 stop13h 55mIcelandair
Deal found 4/25$760
This Delta deal was found by Cheapflights users on 4/25. 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.
Mon 5/195:55 amDUB - PDX
1 stop13h 25mDelta
Mon 5/266:30 amPDX - DUB
2 stops19h 55mDelta
Deal found 4/25$765
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Mon 6/96:25 amDUB - PDX
3 stops42h 20mMultiple Airlines
Mon 6/167:40 pmPDX - DUB
3 stops29h 20mMultiple Airlines
Deal found 4/25$766

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 April 25, 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

Fri 5/23

7:05 pm-1:50 pm

1 stop26h 45m

Seattle/Tacoma Intl

Wed 6/4

4:00 pm-11:50 am

1 stop35h 50m

$423

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 5/14

12:15 pm-5:50 pm

1 stop13h 35m

Seattle/Tacoma Intl

Wed 5/28

7:00 pm-11:05 am

1 stop32h 05m

$604

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 5/21

10:20 am-9:18 am

3 stops30h 58m

Seattle/Tacoma Intl

Wed 5/28

2:55 pm-10:50 am

3 stops35h 55m

$665

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 5/14

3:20 pm-4:59 pm

Nonstop9h 39m

Seattle/Tacoma Intl

Wed 5/28

7:35 pm-12:35 pm

Nonstop9h 00m

$685

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 5/8

8:55 am-3:57 pm

1 stop15h 02m

Seattle/Tacoma Intl

Thu 5/29

6:00 am-10:25 am

2 stops20h 25m

$703

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 5/8

10:40 am-1:12 pm

1 stop34h 32m

Portland

Fri 5/23

2:30 pm-9:00 am

1 stop34h 30m

$721

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 6/9

11:30 am-8:54 pm

1 stop17h 24m

Seattle/Tacoma Intl

Mon 6/16

11:30 am-9:00 am

1 stop13h 30m

$721

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 5/20

12:45 pm-5:35 pm

1 stop12h 50m

Portland

Tue 5/27

7:25 pm-7:30 pm

1 stop16h 05m

$755

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 5/18

12:15 pm-5:55 pm

1 stop13h 40m

Portland

Wed 5/28

3:20 pm-1:15 pm

1 stop13h 55m

$760

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 5/19

5:55 am-11:20 am

1 stop13h 25m

Portland

Mon 5/26

1:15 pm-12:35 pm

1 stop15h 20m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 45 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 April 25, 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 April 25, 2025.

The most flights from IE0 to USWA 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).

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 April 25, 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
7,920 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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 $323 on WestJet. Other airlines that offer cheap prices include Scandinavian Airlines from $475 and Icelandair from $478 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

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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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$556Average$807FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$611Average$886FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$684Average$832FlexibilityNo cancel feeOn-time71%

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