Limerick

$404+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ORK
Mar 7 — Mar 141
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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 February 5, 2026.

This Delta deal was found by Cheapflights users on 2/2. 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.
Sat 9/512:15 pm
PDX
-
SNN
1 stop14h 55m
Delta
Sat 9/191:05 pm
SNN
-
PDX
1 stop16h 30m
Delta
Deal found 2/2$489
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:15 am
SEA
-
SNN
1 stop15h 55m
KLM
Tue 9/151:05 pm
SNN
-
SEA
1 stop17h 11m
KLM
Deal found 2/2$489
This KAYAK deal was found by Cheapflights users on 2/3. 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 8/269:30 am
SEA
-
SNN
2 stops17h 40m
Air Europa
Wed 9/21:05 pm
SNN
-
SEA
1 stop17h 11m
Air Europa
Deal found 2/3$493
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:15 am
SEA
-
SNN
1 stop15h 55m
Multiple Airlines
Tue 9/151:05 pm
SNN
-
SEA
2 stops37h 31m
Multiple Airlines
Deal found 2/2$494
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:10 pm
SEA
-
SNN
2 stops28h 20m
United Airlines
Tue 9/159:30 am
SNN
-
SEA
2 stops19h 41m
United Airlines
Deal found 2/2$524
This Delta deal was found by Cheapflights users on 2/3. 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 7/2811:15 am
SEA
-
SNN
1 stop15h 55m
Delta
Wed 8/121:05 pm
SNN
-
SEA
1 stop17h 11m
Delta
Deal found 2/3$539
This United Airlines deal was found by Cheapflights users on 2/3. 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 7/287:40 am
SEA
-
SNN
2 stops18h 35m
United Airlines
Wed 8/129:30 am
SNN
-
SEA
1 stop20h 59m
United Airlines
Deal found 2/3$543
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 8/19:55 pm
SEA
-
SNN
1 stop29h 15m
Delta
Wed 8/121:05 pm
SNN
-
SEA
1 stop17h 11m
Delta
Deal found 2/3$544
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 8/15:45 am
SEA
-
SNN
2 stops45h 25m
Delta
Tue 8/111:05 pm
SNN
-
SEA
2 stops17h 00m
Delta
Deal found 2/3$548
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 9/56:59 pm
PDX
-
SNN
2 stops28h 31m
United Airlines
Sat 9/199:30 am
SNN
-
PDX
1 stop20h 43m
United Airlines
Deal found 2/3$566
This United Airlines deal was found by Cheapflights users on 2/3. 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 8/265:00 pm
SEA
-
SNN
2 stops30h 30m
United Airlines
Wed 9/29:30 am
SNN
-
SEA
2 stops23h 37m
United Airlines
Deal found 2/3$573
This United Airlines deal was found by Cheapflights users on 2/3. 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 7/3010:52 am
SEA
-
SNN
1 stop12h 38m
United Airlines
Wed 8/129:30 am
SNN
-
SEA
1 stop14h 19m
United Airlines
Deal found 2/3$589

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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$539
(Delta)

One-way from

$404
(United Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Shannon flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Shannon flights.
From Washington to Limerick
One-way flight from Washington to Limerick

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 February 5, 2026.
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

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 4/14

11:59 pm-10:15 am

2 stops26h 16m

Shannon

Sat 4/25

12:30 pm-10:39 am

2 stops30h 09m

$598

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 4/24

11:58 am-10:15 am

1 stop14h 17m

Shannon

Tue 5/5

12:30 pm-1:12 am

2 stops20h 42m

$598

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 4/30

5:30 am-10:15 am

2 stops20h 45m

Shannon

Thu 5/14

12:30 pm-9:06 pm

1 stop16h 36m

$624

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 4/5

7:30 pm-4:10 pm

1 stop12h 40m

Shannon

Sun 4/12

9:15 pm-5:40 pm

1 stop28h 25m

$634

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 3/5

3:52 pm-4:45 pm

2 stops16h 53m

Shannon

Wed 3/11

7:50 am-4:55 pm

1 stop16h 05m

$638

PortlandShannon

PDX - SNN

PDXSNN

Portland

Sun 4/5

3:15 pm-8:35 pm

2 stops21h 20m

Shannon

Sun 4/12

9:15 pm-9:10 am

2 stops43h 55m

$646

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Fri 4/24

11:35 pm-10:15 am

2 stops26h 40m

Shannon

Tue 5/5

12:30 pm-10:42 pm

2 stops18h 12m

$646

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 3/4

8:00 pm-4:45 pm

2 stops36h 45m

Shannon

Sun 3/8

7:50 am-8:35 am

2 stops32h 45m

$672

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Tue 3/10

7:21 am-11:30 am

2 stops21h 09m

Shannon

Thu 3/26

2:45 pm-10:40 am

1 stop26h 55m

$674

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

Wed 3/4

2:43 pm-4:45 pm

2 stops18h 02m

Shannon

Sun 3/8

8:05 pm-5:55 pm

1 stop28h 50m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 13 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.

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 $634, United Airlines can have you in Limerick from State of Washington in 12h 40m. 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

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

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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$760FlexibilityNo cancel feeOn-time71%
KLMCheapest$509Average$793FlexibilityNo cancel feeOn-time75%
DeltaCheapest$526Average$1,123FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$593Average$751FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$828Average$1,074FlexibilityNo cancel feeOn-time70%

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