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Limerick

$390+ Cheap flights from Washington to Limerick, Ireland

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ORK
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Washington to Limerick

Cheapest flights from Washington to Limerick
Explore the most affordable flight options available from Washington to Limerick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:28 pmPDX - SNN
2 stops21h 57mBritish Airways
Mon 12/228:05 pmSNN - PDX
2 stops34h 54mBritish Airways
Deal found 12/15$997
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.
Mon 12/153:15 pmPDX - SNN
2 stops17h 30mAir Canada
Mon 12/227:50 amSNN - PDX
3 stops22h 50mAir Canada
Deal found 12/15$1,319
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:58 pmPDX - SNN
2 stops20h 27mBritish Airways
Wed 12/245:30 pmSNN - PDX
2 stops35h 30mBritish Airways
Deal found 12/16$1,326
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:37 amPDX - SNN
2 stops21h 08mAmerican Airlines
Wed 12/247:50 amSNN - PDX
1 stop16h 05mAmerican Airlines
Deal found 12/16$1,580
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:15 pmPDX - SNN
2 stops17h 30mMultiple Airlines
Wed 12/245:30 pmSNN - PDX
2 stops47h 45mMultiple Airlines
Deal found 12/16$1,677
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:15 pmPDX - SNN
2 stops17h 30mAir Canada
Wed 12/247:50 amSNN - PDX
3 stops33h 25mAir Canada
Deal found 12/16$1,814
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:45 pmPDX - SNN
1 stop15h 00mAmerican Airlines
Mon 12/227:50 amSNN - PDX
1 stop16h 05mAmerican Airlines
Deal found 12/15$1,934

Find flight deals from Washington to Limerick

Keep the following information in mind while searching for Washington to Limerick flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$470
(American Airlines)

One-way from

$390
(American Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Shannon flights.
Search Deals
From Washington to Limerick
Search Deals
One-way flight from Washington to Limerick
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Limerick 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 16, 2025.
Use the filters below to find and compare flights from Washington to Limerick that are best for you.

Fly from

Washington

Fly to

Limerick

Route

Depart

Return

Price

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 3/5

6:43 am-11:30 am

2 stops20h 47m

Shannon

Wed 3/11

7:50 am-4:55 pm

1 stop16h 05m

$474

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 4/8

1:33 pm-4:10 pm

2 stops18h 37m

Shannon

Wed 4/15

9:15 pm-11:35 am

1 stop22h 20m

$474

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/14

8:20 pm-8:35 pm

1 stop16h 15m

Shannon

Sat 4/25

7:40 am-11:05 pm

2 stops23h 25m

$530

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 4/30

2:14 pm-11:15 am

2 stops37h 01m

Shannon

Thu 5/14

10:55 am-12:48 am

2 stops21h 53m

$567

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 4/20

2:15 pm-4:10 pm

2 stops17h 55m

Shannon

Sat 5/16

7:40 am-11:37 pm

2 stops23h 57m

$574

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 4/30

5:15 am-10:15 am

2 stops21h 00m

Shannon

Thu 5/14

12:30 pm-9:16 pm

1 stop16h 46m

$597

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Thu 4/30

7:05 am-10:15 am

2 stops19h 10m

Shannon

Fri 5/8

12:30 pm-10:42 pm

2 stops18h 12m

$597

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 4/30

7:30 pm-4:10 pm

1 stop12h 40m

Shannon

Thu 5/14

7:40 am-5:40 pm

1 stop18h 00m

$625

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 5/18

5:15 am-10:15 am

2 stops21h 00m

Shannon

Tue 5/26

9:30 am-3:05 pm

1 stop13h 35m

$647

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sat 6/6

6:59 pm-7:30 am

2 stops28h 31m

Shannon

Fri 6/19

9:30 am-12:53 am

2 stops23h 23m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 14 results
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Best time to book a flight from Washington to Limerick

Have a flexible travel schedule? Discover the best time to fly to Limerick 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 Limerick

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

Currently, November is the cheapest month in which you can book a flight from State of Washington to Limerick (average of $526). Flying from State of Washington to Limerick in June is currently the most expensive (average of $1,105). 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 LR9?

Find hourly flight availability from Washington to Limerick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

When flying from State of Washington to Limerick, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 26% versus a flight in the morning.

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

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

Travelers seeking maximum savings on their State of Washington to Limerick flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday evenings 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 Limerick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as $474, American Airlines can have you in Limerick from State of Washington in 20h 47m. State of Washington and Limerick are separated by a distance of 4595 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Limerick 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 Limerick?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Limerick (average of $526). Flying from State of Washington to Limerick in June is currently the most expensive (average of $1,105). 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 Washington to Limerick

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Top 5 airlines flying from Washington to Limerick

Discover the top 5 airlines that operate flights from Washington to Limerick. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$760FlexibilityNo cancel feeOn-time71%
KLMCheapest$509Average$793FlexibilityNo cancel feeOn-time75%
DeltaCheapest$526Average$945FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$593Average$694FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$777Average$1,104FlexibilityNo cancel feeOn-time70%

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