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$360+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SEA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$438
(oojo)

One-way from

$360
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$677

Good round-trip deal

$550 or less

Good one-way deal

$629 or less
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. 19% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This oojo deal was found by Cheapflights users on 9/14. 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.
Thu 10/1612:40 pmDUB - SEA
1 stop33h 20mScandinavian Airlines
Sun 10/194:20 pmSEA - DUB
1 stop35h 30mScandinavian Airlines
Deal found 9/14$438
This oojo deal was found by Cheapflights users on 9/16. 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.
Thu 10/167:05 pmDUB - SEA
1 stop26h 55mScandinavian Airlines
Wed 10/224:20 pmSEA - DUB
1 stop35h 30mScandinavian Airlines
Deal found 9/16$440
This Booking.com deal was found by Cheapflights users on 9/14. 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.
Fri 11/2111:30 amDUB - SEA
1 stop13h 30mIcelandair
Fri 11/282:35 pmSEA - DUB
1 stop11h 40mIcelandair
Deal found 9/14$486
This Icelandair deal was found by Cheapflights users on 9/14. 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.
Sat 11/2211:30 amDUB - SEA
1 stop13h 30mIcelandair
Sun 12/142:35 pmSEA - DUB
1 stop11h 40mIcelandair
Deal found 9/14$504
This TravelUp deal was found by Cheapflights users on 9/15. 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.
Mon 10/65:55 amDUB - SEA
1 stop14h 00mLufthansa
Mon 10/138:00 amSEA - DUB
1 stop18h 20mLufthansa
Deal found 9/15$521
This SmartFares deal was found by Cheapflights users on 9/14. 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.
Sat 11/2211:30 amDUB - SEA
1 stop13h 30mIcelandair
Sat 11/292:35 pmSEA - DUB
1 stop11h 40mIcelandair
Deal found 9/14$523
This Gotogate deal was found by Cheapflights users on 9/15. 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 11/911:30 amDUB - SEA
1 stop13h 30mIcelandair
Sun 11/232:35 pmSEA - DUB
1 stop11h 40mIcelandair
Deal found 9/15$525
This TravelUp deal was found by Cheapflights users on 9/14. 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.
Wed 10/2910:50 amDUB - SEA
2 stops39h 02mLufthansa
Wed 11/53:10 pmSEA - DUB
1 stop18h 00mLufthansa
Deal found 9/14$537
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Mon 12/228:40 pmDUB - SEA
1 stop22h 50mBritish Airways
Tue 12/306:50 pmSEA - DUB
1 stop14h 10mBritish Airways
Deal found 9/16$541
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 9/2512:30 pmSNN - SEA
1 stop17h 47mUnited Airlines
Tue 9/306:35 amSEA - SNN
2 stops19h 40mUnited Airlines
Deal found 9/15$577
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/296:00 amORK - SEA
2 stops21h 45mDelta
Wed 11/57:25 amSEA - ORK
2 stops19h 20mDelta
Deal found 9/14$585
This KLM deal was found by Cheapflights users on 9/14. 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.
Wed 10/2911:15 amORK - SEA
1 stop32h 30mKLM
Wed 11/53:00 pmSEA - ORK
1 stop35h 45mKLM
Deal found 9/14$703

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 September 16, 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

Sat 11/22

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Fri 11/28

2:35 pm-10:15 am

1 stop11h 40m

$504

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/3

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Tue 2/10

2:35 pm-10:15 am

1 stop11h 40m

$504

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Thu 2/5

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Tue 2/10

2:35 pm-10:15 am

1 stop11h 40m

$504

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 2/1

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Tue 2/10

2:35 pm-10:15 am

1 stop11h 40m

$504

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Sun 2/1

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Fri 2/6

2:35 pm-10:15 am

1 stop11h 40m

$504

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/3

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Fri 2/6

2:35 pm-10:15 am

1 stop11h 40m

$504

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 2/3

11:30 am-5:00 pm

1 stop13h 30m

Seattle/Tacoma Intl

Sat 2/7

2:35 pm-10:15 am

1 stop11h 40m

$504

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Wed 2/4

8:50 am-4:55 pm

1 stop16h 05m

Seattle/Tacoma Intl

Sun 2/8

6:50 pm-4:50 pm

1 stop14h 00m

$549

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Fri 2/6

6:15 pm-11:30 am

1 stop25h 15m

Seattle/Tacoma Intl

Tue 2/10

1:40 pm-2:20 pm

2 stops16h 40m

$549

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Mon 2/2

4:00 pm-11:30 am

1 stop27h 30m

Seattle/Tacoma Intl

Mon 2/9

1:40 pm-3:20 pm

2 stops17h 40m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 51 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 June is currently the most expensive (average of $387). 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 September 16, 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 September 16, 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).

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 September 16, 2025.
See what other customers who have flown with American Airlines, Aer Lingus, and Icelandair from Ireland to Washington have to say. 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.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Entertainment

6.9

Food

6.4

Crew

8.0

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Nordia,Sep 2025

KIN - MIA

We were to land in Miami sometime after 3pm but couldn’t due to bad weather, we flew around for 2 hrs until we had to land in Forth Myers to refuel, we had to sit another 2 hrs at Forth Myers until given the clearance to refuel, we were hungry, thirsty and frustrated at that point. All the had on the flight to offer was a small plastic glass of water and a pack of biscoff, I requested a cup of tea and was told none was there. We were basically at another airport and not one of the staff could consider that the passengers might be hungry or thirsty being on a plane for around 8 hrs, which you weren’t prepared for, at least find some hot water on board.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Entertainment

6.9

Food

6.4

Crew

8.0

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Nordia,Sep 2025

KIN - MIA

We were to land in Miami sometime after 3pm but couldn’t due to bad weather, we flew around for 2 hrs until we had to land in Forth Myers to refuel, we had to sit another 2 hrs at Forth Myers until given the clearance to refuel, we were hungry, thirsty and frustrated at that point. All the had on the flight to offer was a small plastic glass of water and a pack of biscoff, I requested a cup of tea and was told none was there. We were basically at another airport and not one of the staff could consider that the passengers might be hungry or thirsty being on a plane for around 8 hrs, which you weren’t prepared for, at least find some hot water on board.
Aer Lingus
7.2
Good
1,274 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Entertainment

6.9

Food

6.4

Crew

8.0

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Nordia,Sep 2025

KIN - MIA

We were to land in Miami sometime after 3pm but couldn’t due to bad weather, we flew around for 2 hrs until we had to land in Forth Myers to refuel, we had to sit another 2 hrs at Forth Myers until given the clearance to refuel, we were hungry, thirsty and frustrated at that point. All the had on the flight to offer was a small plastic glass of water and a pack of biscoff, I requested a cup of tea and was told none was there. We were basically at another airport and not one of the staff could consider that the passengers might be hungry or thirsty being on a plane for around 8 hrs, which you weren’t prepared for, at least find some hot water on board.
Icelandair
7.0
Good
544 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Entertainment

6.9

Food

6.4

Crew

8.0

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Nordia,Sep 2025

KIN - MIA

We were to land in Miami sometime after 3pm but couldn’t due to bad weather, we flew around for 2 hrs until we had to land in Forth Myers to refuel, we had to sit another 2 hrs at Forth Myers until given the clearance to refuel, we were hungry, thirsty and frustrated at that point. All the had on the flight to offer was a small plastic glass of water and a pack of biscoff, I requested a cup of tea and was told none was there. We were basically at another airport and not one of the staff could consider that the passengers might be hungry or thirsty being on a plane for around 8 hrs, which you weren’t prepared for, at least find some hot water on board.

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.

  • How long is the flight from Ireland to State of Washington?

    There are many flights that can get you from Ireland to State of Washington in 13h 30m. Fly via Icelandair, Delta, or British Airways to get the fastest option. The distance from Ireland to State of Washington is about 4523 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 June is currently the most expensive (average of $387). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$525Average$763FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$556Average$712FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$684Average$787FlexibilityNo cancel feeOn-time71%

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