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$639+ Cheap flights from Washington, D.C. (WAS) to Limerick, Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ORK
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Limerick

Keep the following information in mind while searching for Washington, D.C. to Limerick flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$639
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$897
Provider with most accurate pricing for Washington, D.C. (WAS)-Shannon flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Shannon flights.
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From Washington, D.C. (WAS) to Limerick
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Highest demand for flights based on searches. 17% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Washington, D.C. to Limerick

Cheapest flights from Washington, D.C. to Limerick
Explore the most affordable flight options available from Washington, D.C. to Limerick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/30. 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 8/56:15 amBWI - SNN
1 stop20h 15mUnited Airlines
Tue 8/199:30 amSNN - BWI
1 stop12h 59mUnited Airlines
Deal found 3/30$644
This United Airlines deal was found by Cheapflights users on 3/30. 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 8/56:25 amDCA - SNN
1 stop20h 05mUnited Airlines
Tue 8/199:30 amSNN - DCA
1 stop13h 33mUnited Airlines
Deal found 3/30$644
This United Airlines deal was found by Cheapflights users on 3/30. 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 8/66:35 amIAD - SNN
1 stop19h 55mUnited Airlines
Tue 8/199:30 amSNN - IAD
1 stop16h 25mUnited Airlines
Deal found 3/30$644
This KLM deal was found by Cheapflights users on 3/30. 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 5/2810:09 amIAD - SNN
2 stops20h 01mMultiple Airlines
Wed 6/111:05 pmSNN - IAD
2 stops15h 10mMultiple Airlines
Deal found 3/30$648
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 5/135:00 pmDCA - SNN
2 stops13h 20mAmerican Airlines
Tue 5/207:40 amSNN - DCA
2 stops17h 19mAmerican Airlines
Deal found 3/31$655
This Delta deal was found by Cheapflights users on 3/30. 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 8/311:00 amDCA - SNN
1 stop19h 10mDelta
Fri 8/151:05 pmSNN - DCA
1 stop15h 25mDelta
Deal found 3/30$665
This Delta deal was found by Cheapflights users on 3/30. 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 8/38:30 pmIAD - SNN
1 stop9h 40mDelta
Wed 8/131:05 pmSNN - IAD
1 stop11h 32mDelta
Deal found 3/30$665
This Delta deal was found by Cheapflights users on 3/30. 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 8/37:00 amBWI - SNN
2 stops23h 10mDelta
Fri 8/151:05 pmSNN - BWI
2 stops16h 12mDelta
Deal found 3/30$669
This KLM deal was found by Cheapflights users on 3/30. 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 6/174:56 pmDCA - SNN
1 stop13h 14mKLM
Tue 6/241:05 pmSNN - DCA
1 stop15h 28mKLM
Deal found 3/30$685
This KLM deal was found by Cheapflights users on 3/30. 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 6/1712:13 pmIAD - SNN
1 stop17h 57mKLM
Tue 6/241:05 pmSNN - IAD
1 stop11h 45mKLM
Deal found 3/30$685
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Wed 5/148:26 amBWI - SNN
2 stops25h 19mMultiple Airlines
Wed 5/214:25 pmSNN - BWI
2 stops36h 08mMultiple Airlines
Deal found 3/30$700
This KLM deal was found by Cheapflights users on 3/30. 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 8/52:10 pmBWI - SNN
2 stops16h 00mKLM
Tue 8/191:05 pmSNN - BWI
2 stops25h 11mKLM
Deal found 3/30$723

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 March 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Limerick that are best for you.

Fly from

Washington, D.C.

Fly to

Limerick

Route

Depart

Return

Price

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 5/19

5:48 pm-10:15 am

1 stop11h 27m

Shannon

Fri 5/30

9:30 am-12:30 am

1 stop20h 00m

$644

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/28

10:09 am-11:10 am

2 stops20h 01m

Shannon

Wed 6/11

1:05 pm-11:15 pm

2 stops15h 10m

$648

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 5/13

5:00 pm-11:20 am

2 stops13h 20m

Shannon

Tue 5/20

7:40 am-7:59 pm

2 stops17h 19m

$655

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 6/17

4:56 pm-11:10 am

1 stop13h 14m

Shannon

Tue 6/24

1:05 pm-11:33 pm

1 stop15h 28m

$685

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 6/17

12:13 pm-11:10 am

1 stop17h 57m

Shannon

Tue 6/24

1:05 pm-7:50 pm

1 stop11h 45m

$685

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 6/17

1:42 pm-11:10 am

2 stops16h 28m

Shannon

Tue 6/24

1:05 pm-12:19 am

2 stops16h 14m

$689

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 5/14

8:26 am-2:45 pm

2 stops25h 19m

Shannon

Wed 5/21

4:25 pm-11:33 pm

2 stops36h 08m

$700

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 5/19

7:18 pm-10:15 am

1 stop9h 57m

Shannon

Fri 5/30

9:30 am-3:48 pm

1 stop11h 18m

$719

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 5/29

11:00 am-11:10 am

1 stop19h 10m

Shannon

Mon 6/2

1:05 pm-10:45 pm

1 stop14h 40m

$764

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sat 5/31

5:30 pm-7:30 am

1 stop33h 00m

Shannon

Mon 6/9

9:30 am-9:42 pm

1 stop17h 12m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 23 results
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Best time to book a flight from Washington, D.C. to Limerick

Have a flexible travel schedule? Discover the best time to fly to Limerick from Washington, D.C. 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, D.C. to Limerick

How far ahead should I book a flight from Washington, D.C. to Limerick?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Limerick. Price data was last updated on March 28, 2025.

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Limerick. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest time of day to fly from WAS to LR9?

Find hourly flight availability from Washington, D.C. 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 March 31, 2025.

When flying from Washington, D.C. to Limerick, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Limerick by month

Plan your trip to Limerick by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Limerick ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Limerick when rainfall is around 2.3 in.

Temperature in Limerick by month

Plan your trip to Limerick by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Limerick, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Limerick

Get insights into the airlines that provide service to Limerick. 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 Limerick. Reviews last updated March 31, 2025.
Read reviews from past customers who have flown Delta, KLM and Air France from Washington, D.C. to Limerick. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the most popular routes from Washington, D.C. to Limerick?

    The most popular flight routes from Washington, D.C. to Limerick are Washington, D.C. Dulles Intl - Shannon, Baltimore/Washington - Shannon and Washington, D.C. Reagan-National - Shannon.

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

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

  • How can I find direct flights from Washington, D.C. to Limerick?

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

  • Can I find deals for business class flights from Washington, D.C. to Limerick?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Limerick?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Limerick (average of $644). Flying from Washington, D.C. to Limerick in June is currently the most expensive (average of $1,279). 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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Top 3 airlines flying from Washington, D.C. to Limerick

Discover the top 3 airlines that operate flights from Washington, D.C. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$663Average$953FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$669Average$1,034FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$723Average$1,168FlexibilityNo cancel feeOn-time70%
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