Dublin

$268+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DUB
Dec 3 — Dec 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Dublin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Dublin

Keep the following information in mind while searching for Washington to Dublin flight deals. Data was last updated November 3, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$373
(Mytrip)

One-way from

$268
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$509

Good round-trip deal

$564 or less

Good one-way deal

$436 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Dublin flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Dublin flights.
From Washington to Dublin
One-way flight from Washington to Dublin
Highest demand for flights based on searches. 22% potential increase in price ($187 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Washington to Dublin.
Price to beat on a one-way flight from Washington to Dublin.

Find 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 November 3, 2025.

This Mytrip deal was found by Cheapflights users on 11/2. 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.
Thu 11/132:45 pmPDX - DUB
1 stop11h 30mIcelandair
Wed 11/2611:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 11/2$373
This deal was found by Cheapflights users on 11/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:35 pmSEA - DUB
1 stop11h 40mIcelandair
Thu 12/1111:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 11/2$404
This Expedia deal was found by Cheapflights users on 11/1. 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.
Mon 12/12:45 pmPDX - DUB
1 stop11h 30mIcelandair
Fri 12/511:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 11/1$404
This Expedia deal was found by Cheapflights users on 11/1. 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.
Tue 12/92:35 pmSEA - DUB
1 stop11h 40mIcelandair
Mon 12/1511:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 11/1$405
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:45 pmPDX - DUB
1 stop11h 30mIcelandair
Wed 12/1711:30 amDUB - PDX
1 stop13h 30mIcelandair
Deal found 11/2$407
This British Airways deal was found by Cheapflights users on 11/2. 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 12/306:50 pmSEA - DUB
1 stop14h 10mBritish Airways
Mon 1/1210:45 amDUB - SEA
1 stop32h 45mBritish Airways
Deal found 11/2$418
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:05 pmSEA - DUB
Nonstop9h 05mAer Lingus
Wed 11/194:30 pmDUB - SEA
Nonstop9h 50mAer Lingus
Deal found 11/2$419
This Finnair deal was found by Cheapflights users on 11/1. 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.
Mon 11/1011:20 pmSEA - DUB
1 stop25h 20mMultiple Airlines
Wed 11/2611:30 amDUB - SEA
1 stop18h 40mMultiple Airlines
Deal found 11/1$423
This Delta deal was found by Cheapflights users on 11/2. 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.
Sun 11/96:00 amGEG - DUB
2 stops19h 20mDelta
Tue 11/2510:45 amDUB - GEG
2 stops20h 05mDelta
Deal found 11/2$423
This deal was found by Cheapflights users on 11/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:35 pmSEA - DUB
1 stop11h 40mIcelandair
Mon 12/1511:30 amDUB - SEA
1 stop13h 30mIcelandair
Deal found 11/2$428
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/129:59 amSEA - DUB
1 stop14h 41mMultiple Airlines
Thu 11/277:35 amDUB - SEA
1 stop17h 20mMultiple Airlines
Deal found 11/2$430
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 11/129:59 amSEA - DUB
1 stop14h 41mMultiple Airlines
Wed 11/2611:30 amDUB - SEA
1 stop17h 54mMultiple Airlines
Deal found 11/1$433

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 November 3, 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

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Mon 1/12

2:35 pm-10:15 am

1 stop11h 40m

Dublin

Sun 1/18

11:30 am-5:00 pm

1 stop13h 30m

$404

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 12/30

6:50 pm-5:00 pm

1 stop14h 10m

Dublin

Mon 1/12

10:45 am-11:30 am

1 stop32h 45m

$418

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 1/14

6:50 pm-5:00 pm

1 stop14h 10m

Dublin

Tue 1/20

10:55 am-4:55 pm

1 stop14h 00m

$418

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Wed 1/7

6:50 pm-5:00 pm

1 stop14h 10m

Dublin

Wed 1/14

11:30 am-9:47 pm

2 stops18h 17m

$425

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 11/16

6:10 am-7:45 am

1 stop17h 35m

Dublin

Tue 11/25

9:45 am-5:43 pm

1 stop15h 58m

$433

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 12/2

6:15 am-7:45 am

1 stop17h 30m

Dublin

Tue 12/9

9:45 am-5:43 pm

1 stop15h 58m

$433

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Tue 11/18

9:28 am-9:20 am

2 stops15h 52m

Dublin

Wed 12/10

11:30 am-8:48 pm

1 stop17h 18m

$438

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 11/16

7:40 am-7:10 am

1 stop15h 30m

Dublin

Tue 11/25

11:30 am-10:59 pm

2 stops19h 29m

$438

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

Sat 11/8

9:59 pm-8:45 am

1 stop26h 46m

Dublin

Fri 11/21

11:30 am-10:29 pm

1 stop18h 59m

$439

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 2/24

12:47 pm-7:45 am

1 stop34h 58m

Dublin

Tue 3/3

9:45 am-11:37 am

1 stop33h 52m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 58 results
1
2
3
...
6

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, February is the cheapest month in which you can book a flight from State of Washington to Dublin (average of $326). Flying from State of Washington to Dublin in June is currently the most expensive (average of $681). 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 November 3, 2025.

It’s optimal to fly from State of Washington to Dublin in the evening. By choosing this option you can save up to 26% 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 1, 2024.

Travelers seeking maximum savings on their State of Washington to Dublin flight should consider departing on Thursday mornings 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?

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

    Icelandair, British Airways, and KLM can get you from State of Washington to Dublin in just under 11h 40m. Your travel time can differ by up to 5h 55m. The distance from State of Washington to Dublin is about 4523 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 Scandinavian Airlines ($312), Icelandair ($339), and United Airlines ($399).

  • What are the most popular routes from State of Washington to 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 (70%), Aer Lingus (70%) and British Airways (70%).

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

    On average you can expect to pay $1,604 for a flight from State of Washington to Dublin. The cheapest flight overall is $328 while the most popular route, (Seattle/Tacoma Intl - Dublin) is currently priced at $352.

  • 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, February is the cheapest month in which you can book a flight from State of Washington to Dublin (average of $326). Flying from State of Washington to Dublin in June is currently the most expensive (average of $681). 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
Castleknock
Swords
Wicklow
Leixlip

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$402FlexibilityNo cancel feeOn-time62%
Air FranceCheapest$337Average$646FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$341Average$677FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$364Average$721FlexibilityNo cancel feeOn-time76%
IberiaCheapest$367Average$512FlexibilityNo cancel feeOn-time77%
KLMCheapest$405Average$688FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$416Average$717FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$425Average$610FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$431Average$683FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$467Average$725FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.