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Limerick

$284+ Cheap flights from Washington, D.C. (WAS) 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ORK
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$617
(United Airlines)

One-way from

$284
(Mytrip)

Popular in

June

Cheapest in

December

Average price

$712
From Washington, D.C. (WAS) to Limerick
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One-way flight from Washington, D.C. (WAS) to Limerick
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Highest demand for flights based on searches. 8% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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 8/1810:19 pmIAD - SNN
1 stop28h 11mUnited Airlines
Mon 8/259:30 amSNN - IAD
1 stop13h 00mUnited Airlines
Deal found 8/17$512
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Wed 9/310:51 amBWI - SNN
1 stop15h 39mUnited Airlines
Thu 9/119:30 amSNN - BWI
1 stop12h 59mUnited Airlines
Deal found 8/15$617
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/17:25 pmDCA - SNN
1 stop9h 50mUnited Airlines
Wed 9/109:30 amSNN - DCA
1 stop16h 33mUnited Airlines
Deal found 8/15$617
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/13:55 pmIAD - SNN
1 stop10h 35mUnited Airlines
Thu 9/119:30 amSNN - IAD
1 stop16h 25mUnited Airlines
Deal found 8/15$617
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/910:51 amBWI - SNN
2 stops18h 24mUnited Airlines
Tue 9/169:30 amSNN - BWI
1 stop17h 12mUnited Airlines
Deal found 8/16$621
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/57:15 pmDCA - SNN
1 stop10h 00mUnited Airlines
Wed 9/1012:30 pmSNN - DCA
1 stop10h 12mUnited Airlines
Deal found 8/15$642
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Wed 10/89:35 pmBWI - SNN
1 stop18h 00mAmerican Airlines
Wed 10/227:40 amSNN - BWI
1 stop17h 05mAmerican Airlines
Deal found 8/15$664
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Wed 10/87:25 pmIAD - SNN
1 stop10h 55mAmerican Airlines
Wed 10/227:40 amSNN - IAD
1 stop14h 50mAmerican Airlines
Deal found 8/15$664
This American Airlines deal was found by Cheapflights users on 8/16. 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 10/152:18 pmIAD - SNN
2 stops16h 02mAmerican Airlines
Wed 10/227:40 amSNN - IAD
1 stop13h 15mAmerican Airlines
Deal found 8/16$671
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 9/910:40 pmIAD - SNN
1 stop16h 55mAmerican Airlines
Tue 9/167:40 amSNN - IAD
1 stop14h 55mAmerican Airlines
Deal found 8/16$673
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:35 pmBWI - SNN
2 stops16h 35mDelta
Thu 9/111:05 pmSNN - BWI
2 stops16h 23mDelta
Deal found 8/15$676
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:49 pmDCA - SNN
2 stops12h 21mDelta
Tue 9/91:05 pmSNN - DCA
2 stops27h 15mDelta
Deal found 8/15$676

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 August 18, 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

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 9/3

10:51 am-7:30 am

1 stop15h 39m

Shannon

Wed 9/10

9:30 am-9:42 pm

1 stop17h 12m

$617

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 9/9

6:15 am-7:30 am

1 stop20h 15m

Shannon

Tue 9/16

9:30 am-9:42 pm

1 stop17h 12m

$617

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 9/3

10:51 am-7:30 am

1 stop15h 39m

Shannon

Thu 9/11

9:30 am-5:29 pm

1 stop12h 59m

$617

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Wed 9/3

10:51 am-7:30 am

1 stop15h 39m

Shannon

Fri 9/12

9:30 am-5:29 pm

1 stop12h 59m

$617

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 9/1

10:51 am-7:30 am

1 stop15h 39m

Shannon

Fri 9/12

9:30 am-5:29 pm

1 stop12h 59m

$617

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Mon 9/1

10:51 am-7:30 am

1 stop15h 39m

Shannon

Thu 9/11

9:30 am-5:29 pm

1 stop12h 59m

$617

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 9/2

7:15 pm-10:15 am

1 stop10h 00m

Shannon

Wed 9/10

9:30 am-6:03 pm

1 stop13h 33m

$617

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 9/1

3:30 pm-7:30 am

1 stop11h 00m

Shannon

Tue 9/9

12:30 pm-5:42 pm

1 stop10h 12m

$617

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 9/3

3:30 pm-7:30 am

1 stop11h 00m

Shannon

Tue 9/9

9:45 am-3:51 pm

1 stop11h 06m

$617

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 9/1

12:00 pm-7:30 am

1 stop14h 30m

Shannon

Thu 9/11

9:30 am-5:01 pm

1 stop12h 31m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 38 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

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 August 18, 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.

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 August 18, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Washington, D.C. to Limerick to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,925 reviews
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,925 reviews

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 cheapest airlines to fly from Washington, D.C. to Limerick one-way?

    One-way options have recently been found by users for as low as $300 on JetBlue. Other airlines that offer cheap prices include American Airlines from $545 and United Airlines from $612 one-way.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Washington, D.C. to Limerick

Discover the top 5 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$547Average$950FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$634Average$798FlexibilityNo cancel feeOn-time69%
KLMCheapest$643Average$645FlexibilityNo cancel feeOn-time75%
DeltaCheapest$644Average$936FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$796Average$899FlexibilityNo cancel feeOn-time70%

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