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$322+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$497
(Kiwi.com)

One-way from

$322
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$617

Good one-way deal

$496 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 ($209 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 February 2025
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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 February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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.
Sun 6/15:00 pmDUB - SEA
1 stop28h 50mScandinavian Airlines
Sat 6/144:00 pmSEA - DUB
1 stop16h 10mScandinavian Airlines
Deal found 2/20$477
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Wed 4/1611:35 amDUB - SEA
1 stop18h 25mMultiple Airlines
Tue 4/2211:59 pmSEA - DUB
1 stop21h 11mMultiple Airlines
Deal found 2/20$497
This Gotogate deal was found by Cheapflights users on 2/19. 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 5/712:50 pmDUB - SEA
1 stop15h 38mWestJet
Tue 5/207:05 amSEA - DUB
1 stop19h 45mWestJet
Deal found 2/19$505
This SmartFares deal was found by Cheapflights users on 2/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:30 amDUB - SEA
1 stop13h 30mIcelandair
Tue 11/112:35 pmSEA - DUB
1 stop11h 40mIcelandair
Deal found 2/19$589
This Finnair deal was found by Cheapflights users on 2/20. 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.
Thu 5/89:45 amDUB - SEA
1 stop14h 15mFinnair
Thu 5/225:40 pmSEA - DUB
1 stop15h 35mFinnair
Deal found 2/20$637
This Delta deal was found by Cheapflights users on 2/20. 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 3/65:55 amDUB - SEA
1 stop13h 42mDelta
Tue 3/257:30 amSEA - DUB
1 stop17h 55mDelta
Deal found 2/20$638
This KLM deal was found by Cheapflights users on 2/19. 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.
Sun 3/95:20 pmDUB - SEA
1 stop26h 20mKLM
Mon 3/243:15 pmSEA - DUB
1 stop14h 25mKLM
Deal found 2/19$640
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1610:55 amDUB - SEA
1 stop15h 25mBritish Airways
Tue 4/221:30 pmSEA - DUB
1 stop12h 20mBritish Airways
Deal found 2/20$646
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 2/282:05 pmDUB - SEA
1 stop16h 04mAmerican Airlines
Sun 3/1611:14 pmSEA - DUB
1 stop26h 26mAmerican Airlines
Deal found 2/20$664
This JetBlue deal was found by Cheapflights users on 2/20. 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.
Wed 4/2311:30 amDUB - SEA
1 stop18h 00mJetBlue
Tue 5/611:35 amSEA - DUB
1 stop12h 45mJetBlue
Deal found 2/20$668
This Bravofly deal was found by Cheapflights users on 2/19. 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.
Sun 3/24:30 pmDUB - SEA
Nonstop9h 45mAer Lingus
Mon 3/179:00 pmSEA - DUB
Nonstop9h 10mAer Lingus
Deal found 2/19$687
This Scandinavian Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 4/2610:15 amDUB - PDX
2 stops18h 55mScandinavian Airlines
Tue 4/297:00 amPDX - DUB
2 stops27h 15mScandinavian Airlines
Deal found 2/20$689

Find flights from Ireland to Washington within your budget

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 February 20, 2025.

Fly from

Ireland

Fly to

Washington

Route

Depart

Return

Price

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 6/1

5:00 pm-1:50 pm

1 stop28h 50m

Seattle/Tacoma Intl

Sat 6/14

4:00 pm-4:10 pm

1 stop16h 10m

$477

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 4/16

11:35 am-10:00 pm

1 stop18h 25m

Seattle/Tacoma Intl

Tue 4/22

11:59 pm-5:10 am

1 stop21h 11m

$497

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 5/7

12:50 pm-8:28 pm

1 stop15h 38m

Seattle/Tacoma Intl

Tue 5/20

7:05 am-10:50 am

1 stop19h 45m

$506

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 4/4

12:15 pm-5:50 pm

1 stop13h 35m

Seattle/Tacoma Intl

Mon 4/7

3:45 pm-11:05 am

1 stop11h 20m

$580

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 5/8

9:45 am-4:00 pm

1 stop14h 15m

Seattle/Tacoma Intl

Thu 5/22

5:40 pm-5:15 pm

1 stop15h 35m

$637

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 3/6

5:55 am-11:37 am

1 stop13h 42m

Seattle/Tacoma Intl

Tue 3/25

7:30 am-8:25 am

1 stop17h 55m

$638

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 4/16

10:55 am-6:20 pm

1 stop15h 25m

Seattle/Tacoma Intl

Tue 4/22

1:30 pm-9:50 am

1 stop12h 20m

$646

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 4/23

11:30 am-9:30 pm

1 stop18h 00m

Seattle/Tacoma Intl

Fri 5/2

11:35 am-8:20 am

1 stop12h 45m

$668

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 3/12

4:30 pm-7:15 pm

Nonstop9h 45m

Seattle/Tacoma Intl

Wed 3/19

9:00 pm-1:10 pm

Nonstop9h 10m

$689

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sat 4/26

10:15 am-9:10 pm

2 stops18h 55m

Portland

Tue 4/29

7:00 am-6:15 pm

2 stops27h 15m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Ireland to Washington

Get recent, data-driven insights about flights from Ireland to Washington including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 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
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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 4 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 $329 on WestJet. Other airlines that offer cheap prices include Icelandair from $509 and Aer Lingus from $528 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$496Average$862FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$556Average$766FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$640Average$787FlexibilityNo cancel feeOn-time71%
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