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$264+ Cheap flights from Washington to Dublin (DUB)

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington to Dublin

Cheapest flights from Washington to Dublin
Explore the most affordable flight options available from Washington to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Finnair deal was found by Cheapflights users on 12/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:49 amPDX - DUB
1 stop22h 26mMultiple Airlines
Tue 1/2011:30 amDUB - PDX
2 stops18h 41mMultiple Airlines
Deal found 12/16$488
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amPDX - DUB
1 stop17h 00mUnited Airlines
Tue 1/2010:40 amDUB - PDX
1 stop16h 16mUnited Airlines
Deal found 12/16$549
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:15 pmPDX - DUB
2 stops31h 55mAir Canada
Fri 1/99:00 amDUB - PDX
2 stops41h 30mAir Canada
Deal found 12/15$571
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 12/2611:55 pmPDX - DUB
1 stop24h 15mUnited Airlines
Fri 1/99:00 amDUB - PDX
2 stops21h 32mUnited Airlines
Deal found 12/15$584
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:25 pmPDX - DUB
1 stop18h 55mDelta
Fri 1/96:00 amDUB - PDX
2 stops22h 59mDelta
Deal found 12/16$642
This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:40 amSEA - DUB
1 stop17h 40mAir France
Sat 1/108:55 amDUB - SEA
1 stop36h 30mAir France
Deal found 12/16$709
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amSEA - DUB
1 stop17h 10mMultiple Airlines
Wed 1/77:45 pmDUB - SEA
2 stops34h 31mMultiple Airlines
Deal found 12/16$717
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:02 amSEA - DUB
2 stops18h 28mUnited Airlines
Wed 1/79:00 amDUB - SEA
2 stops36h 57mUnited Airlines
Deal found 12/16$740
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amSEA - DUB
1 stop17h 45mDelta
Tue 1/135:55 amDUB - SEA
1 stop13h 55mDelta
Deal found 12/16$752
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amSEA - DUB
1 stop17h 45mDelta
Wed 12/248:50 amDUB - SEA
2 stops21h 35mDelta
Deal found 12/16$762
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:00 amSEA - DUB
2 stops20h 55mUnited Airlines
Tue 1/139:30 amDUB - SEA
2 stops19h 42mUnited Airlines
Deal found 12/16$768
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:00 pmSEA - DUB
2 stops51h 10mAir Canada
Sat 1/109:00 amDUB - SEA
2 stops21h 06mAir Canada
Deal found 12/16$790

Find flight deals from Washington to Dublin

Keep the following information in mind while searching for Washington to Dublin flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$414
(Kiwi.com)

One-way from

$264
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$658

Good round-trip deal

$583 or less

Good one-way deal

$488 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Dublin flights.
Search Deals
From Washington to Dublin
Search Deals
One-way flight from Washington to Dublin
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington to Dublin.
Search Deals
Price to beat on a one-way flight from Washington to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Dublin 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 December 18, 2025.
Use the filters below to find and compare flights from Washington to Dublin that are best for you.

Fly from

Washington

Fly to

Dublin

Route

Depart

Return

Price

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Thu 1/8

6:53 am-7:10 am

2 stops40h 17m

Dublin

Sat 1/17

9:00 am-12:46 pm

2 stops35h 46m

$450

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 4/30

3:15 pm-7:45 am

1 stop32h 30m

Dublin

Sun 5/10

9:50 am-7:05 pm

1 stop17h 15m

$458

PascoDublin

PSC - DUB

PSCDUB

Pasco Tri Cities

Wed 3/4

6:17 am-8:10 am

2 stops17h 53m

Dublin

Sun 3/8

8:00 am-7:54 pm

2 stops43h 54m

$460

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 3/31

8:00 am-7:20 am

1 stop15h 20m

Dublin

Tue 4/14

9:50 am-11:42 am

2 stops33h 52m

$460

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 4/2

8:00 am-7:20 am

1 stop15h 20m

Dublin

Fri 4/17

9:50 am-11:42 am

2 stops33h 52m

$460

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 4/2

8:00 am-7:20 am

1 stop15h 20m

Dublin

Tue 4/14

9:50 am-11:42 am

2 stops33h 52m

$460

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Thu 1/8

5:00 am-8:10 am

2 stops19h 10m

Dublin

Sat 1/17

9:00 am-12:46 pm

2 stops35h 46m

$460

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 3/30

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Fri 4/17

9:50 am-11:42 am

2 stops33h 52m

$465

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 3/29

11:59 pm-9:45 am

1 stop25h 46m

Dublin

Tue 4/14

9:50 am-11:42 am

2 stops33h 52m

$465

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sat 1/31

7:00 am-8:45 am

1 stop17h 45m

Dublin

Sat 2/7

5:15 pm-11:25 am

1 stop26h 10m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 53 results
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Best time to book a flight from Washington to Dublin

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

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

Currently, November is the cheapest month in which you can book a flight from State of Washington to Dublin (average of $308). Flying from State of Washington to Dublin in June is currently the most expensive (average of $664). 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 WA to DUB?

Find hourly flight availability from Washington to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from State of Washington to Dublin at noon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from State of Washington to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Washington to Dublin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Dublin flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Washington to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Washington?

    If you book a flight to Dublin from Washington, you will be flying to Dublin, which is the city’s only airport. Dublin (DUB) is located 5.7 mi from the center of Dublin.

  • How popular is this State of Washington to Dublin flight route?

    The Washington to Dublin flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Air Canada, Lufthansa, and United Airlines can get you from State of Washington to Dublin in just under 17h 53m. Your travel time can differ by up to 22h 24m. The distance from State of Washington to Dublin is about 4499 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from State of Washington to Dublin are Icelandair ($179), WestJet ($234), and British Airways ($278).

  • What are the most popular routes from State of Washington to Dublin?

    The most popular flight routes from State of Washington to Dublin are Seattle/Tacoma Intl - Dublin, Portland - Dublin and Spokane - Dublin.

  • What are the most reliable airlines from State of Washington to Dublin?

    The top 3 most reliable airlines when flying from State of Washington to Dublin are American Airlines (62%), Aer Lingus (62%) and British Airways (62%).

  • What are the cheapest flights from State of Washington to Dublin?

    On average you can expect to pay $1,664 for a flight from State of Washington to Dublin. The cheapest flight overall is $414 while the most popular route, (Seattle/Tacoma Intl - Dublin) is currently priced at $434.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Dublin (average of $308). Flying from State of Washington to Dublin in June is currently the most expensive (average of $664). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
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Wicklow
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Alternative routes for Washington to Dublin

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Top 10 airlines flying from Washington to Dublin

Discover the top 10 airlines that operate flights from Washington to Dublin. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$402FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$341Average$648FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$357Average$703FlexibilityNo cancel feeOn-time76%
IberiaCheapest$367Average$547FlexibilityNo cancel feeOn-time77%
KLMCheapest$405Average$634FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$407Average$579FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$411Average$704FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$431Average$672FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$444Average$488FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$467Average$726FlexibilityNo cancel feeOn-time76%

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