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 $482 on United Airlines. Other airlines that offer cheap prices include Delta from $528 and American Airlines from $541 one-way.

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.

What is the cheapest day to fly from Washington, D.C. to Limerick?

Travelers seeking maximum savings on their Washington, D.C. to Limerick flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

What is the cheapest month to fly from Washington, D.C. to Limerick?

Flights from Washington, D.C. to Limerick lean towards being more expensive in June. Prices are generally better when you fly from Washington, D.C. to Limerick in February, with the cheapest ticket starting at $711.

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.

$426+ Flights from Washington, D.C. to Limerick - Compare & Save Big

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Cheap flight deals from Washington, D.C. to Limerick

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$546 (Delta)
One-way from	$426 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$1,113

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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One-way flight from Washington, D.C. (WAS) to Limerick

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($197 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Wed 5/2812:20 pmIAD - SNN

1 stop17h 50mDelta

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mDelta

Deal found 4/30

$546

Wed 5/2812:39 pmIAD - SNN

2 stops17h 31mKLM

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mKLM

Deal found 4/30

$561

Sun 7/136:04 amDCA - SNN

1 stop24h 06mDelta

Tue 7/221:05 pmSNN - DCA

1 stop26h 09mDelta

Deal found 4/29

$596

Fri 5/306:40 amBWI - SNN

1 stop19h 50mUnited Airlines

Fri 6/69:30 amSNN - BWI

1 stop13h 07mUnited Airlines

Deal found 4/30

$606

Fri 5/3012:00 pmDCA - SNN

1 stop14h 30mUnited Airlines

Fri 6/69:30 amSNN - DCA

1 stop13h 32mUnited Airlines

Deal found 4/30

$606

Fri 5/305:32 pmIAD - SNN

1 stop11h 43mUnited Airlines

Fri 6/69:30 amSNN - IAD

1 stop16h 22mUnited Airlines

Deal found 4/30

$606

Fri 5/301:52 pmBWI - SNN

2 stops16h 18mDelta

Fri 6/61:05 pmSNN - BWI

2 stops14h 55mDelta

Deal found 4/30

$661

Mon 11/38:11 pmBWI - SNN

2 stops15h 34mAmerican Airlines

Sun 11/97:45 amSNN - BWI

2 stops21h 49mAmerican Airlines

Deal found 4/30

$718

Mon 11/32:04 pmIAD - SNN

2 stops16h 26mAmerican Airlines

Sun 11/97:45 amSNN - IAD

2 stops21h 12mAmerican Airlines

Deal found 4/30

$718

Mon 10/69:45 amIAD - SNN

2 stops25h 25mAir Canada

Mon 10/139:15 pmSNN - IAD

2 stops28h 50mAir Canada

Deal found 4/30

$744

Sat 7/124:56 pmDCA - SNN

1 stop13h 14mKLM

Sat 7/191:05 pmSNN - DCA

1 stop15h 31mKLM

Deal found 4/29

$765

Sat 7/121:41 pmDCA - SNN

2 stops16h 29mMultiple Airlines

Sat 7/191:05 pmSNN - DCA

1 stop15h 31mMultiple Airlines

Deal found 4/29

$770

Best flights from Washington, D.C. to Limerick
Discover carefully curated flight deals from Washington, D.C. to Limerick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Wed 5/2812:20 pmIAD - SNN

1 stop17h 50mDelta

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mDelta

Deal found 4/30

$546

Wed 5/2812:39 pmIAD - SNN

2 stops17h 31mKLM

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mKLM

Deal found 4/30

$561

Fri 5/306:40 amBWI - SNN

1 stop19h 50mUnited Airlines

Fri 6/69:30 amSNN - BWI

1 stop13h 07mUnited Airlines

Deal found 4/30

$606

Wed 7/167:25 pmIAD - SNN

1 stop10h 55mAmerican Airlines

Tue 7/227:40 amSNN - IAD

1 stop17h 30mAmerican Airlines

Deal found 4/29

$742

Mon 10/69:45 amIAD - SNN

2 stops25h 25mAir Canada

Mon 10/139:15 pmSNN - IAD

2 stops28h 50mAir Canada

Deal found 4/30

$744

Sat 7/121:41 pmDCA - SNN

2 stops16h 29mMultiple Airlines

Sat 7/191:05 pmSNN - DCA

1 stop15h 31mMultiple Airlines

Deal found 4/29

$770

Sun 7/135:20 pmIAD - SNN

2 stops13h 00mAer Lingus

Sat 7/195:30 pmSNN - IAD

2 stops27h 20mAer Lingus

Deal found 4/29

$819

Wed 6/118:14 pmIAD - SNN

2 stops14h 56mBritish Airways

Thu 7/319:15 pmSNN - IAD

1 stop25h 15mBritish Airways

Deal found 4/30

$915

Sat 7/121:41 pmDCA - SNN

2 stops16h 29mAir France

Sat 7/191:05 pmSNN - DCA

2 stops14h 54mAir France

Deal found 4/29

$916

Sun 7/136:04 amDCA - SNN

1 stop24h 06mDelta

Tue 7/221:05 pmSNN - DCA

1 stop26h 09mDelta

Deal found 4/29

$596

Fri 5/3012:00 pmDCA - SNN

1 stop14h 30mUnited Airlines

Fri 6/69:30 amSNN - DCA

1 stop13h 32mUnited Airlines

Deal found 4/30

$606

Fri 5/305:32 pmIAD - SNN

1 stop11h 43mUnited Airlines

Fri 6/69:30 amSNN - IAD

1 stop16h 22mUnited Airlines

Deal found 4/30

$606

Last-minute flights from Washington, D.C. to Limerick
Discover last-minute flight deals from Washington, D.C. to Limerick. Data last updated May 1, 2025 and is based on user searches.

Thu 5/112:55 pmDCA - SNN

2 stops26h 40mMultiple Airlines

Thu 5/89:15 pmSNN - DCA

2 stops23h 34mMultiple Airlines

Deal found 4/30

$815

Thu 5/18:17 amIAD - SNN

2 stops31h 18mMultiple Airlines

Thu 5/89:15 pmSNN - IAD

2 stops24h 04mMultiple Airlines

Deal found 4/30

$854

Thu 5/12:25 pmIAD - SNN

2 stops25h 10mAir Canada

Thu 5/89:15 pmSNN - IAD

2 stops24h 04mAir Canada

Deal found 4/30

$860

Thu 5/155:35 amBWI - SNN

3 stops34h 15mMultiple Airlines

Thu 5/2210:50 amSNN - BWI

2 stops29h 56mMultiple Airlines

Deal found 4/30

$869

Wed 5/2812:20 pmIAD - SNN

1 stop17h 50mDelta

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mDelta

Deal found 4/30

$546

Wed 5/2812:39 pmIAD - SNN

2 stops17h 31mKLM

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mKLM

Deal found 4/30

$561

Fri 5/306:40 amBWI - SNN

1 stop19h 50mUnited Airlines

Fri 6/69:30 amSNN - BWI

1 stop13h 07mUnited Airlines

Deal found 4/30

$606

Fri 5/3012:00 pmDCA - SNN

1 stop14h 30mUnited Airlines

Fri 6/69:30 amSNN - DCA

1 stop13h 32mUnited Airlines

Deal found 4/30

$606

Fri 5/305:32 pmIAD - SNN

1 stop11h 43mUnited Airlines

Fri 6/69:30 amSNN - IAD

1 stop16h 22mUnited Airlines

Deal found 4/30

$606

Fri 5/301:52 pmBWI - SNN

2 stops16h 18mDelta

Fri 6/61:05 pmSNN - BWI

2 stops14h 55mDelta

Deal found 4/30

$661

Fri 5/304:00 pmDCA - SNN

2 stops14h 10mDelta

Fri 6/61:05 pmSNN - DCA

2 stops15h 38mDelta

Deal found 4/30

$661

Fri 5/305:20 pmIAD - SNN

2 stops13h 00mAer Lingus

Mon 6/29:15 pmSNN - IAD

2 stops27h 15mAer Lingus

Deal found 4/30

$856

One-way flights from Washington, D.C. to Limerick
Search for one-way flight options from Washington, D.C. to Limerick. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Mon 5/268:30 pmBWI - SNN

3 stops42h 50mMultiple Airlines

Deal found 4/29

$426

Sat 8/305:59 pmDCA - SNN

1 stop32h 31mUnited Airlines

Deal found 4/30

$482

Sat 8/305:30 pmBWI - SNN

1 stop33h 00mUnited Airlines

Deal found 4/30

$483

Sat 8/302:10 pmBWI - SNN

2 stops16h 00mDelta

Deal found 4/30

$528

Sat 8/301:45 pmDCA - SNN

2 stops16h 25mDelta

Deal found 4/30

$528

Sat 8/304:45 pmDCA - SNN

2 stops13h 35mAmerican Airlines

Deal found 4/29

$541

Sat 8/302:10 pmBWI - SNN

2 stops16h 00mKLM

Deal found 4/29

$553

Mon 5/265:20 pmIAD - SNN

2 stops17h 50mAer Lingus

Deal found 4/29

$592

Mon 5/2611:00 amDCA - SNN

2 stops19h 20mAir Canada

Deal found 4/29

$594

Mon 5/2610:40 pmIAD - SNN

1 stop12h 30mBritish Airways

Deal found 4/29

$611

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Limerick that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/28

12:20 pm-11:10 am

1 stop17h 50m

Shannon

Wed 6/11

1:05 pm-7:50 pm

1 stop11h 45m

$546

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-11:14 pm

2 stops15h 09m

$561

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 7/13

6:04 am-11:10 am

1 stop24h 06m

Shannon

Tue 7/22

1:05 pm-10:14 am

1 stop26h 09m

$596

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Fri 5/30

6:40 am-7:30 am

1 stop19h 50m

Shannon

Fri 6/6

9:30 am-5:37 pm

1 stop13h 07m

$606

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 5/30

12:00 pm-7:30 am

1 stop14h 30m

Shannon

Fri 6/6

9:30 am-6:02 pm

1 stop13h 32m

$606

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Fri 5/30

5:32 pm-10:15 am

1 stop11h 43m

Shannon

Fri 6/6

9:30 am-8:52 pm

1 stop16h 22m

$606

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 6/11

8:30 pm-11:10 am

1 stop9h 40m

Shannon

Thu 7/31

1:05 pm-7:51 pm

1 stop11h 46m

$641

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Fri 5/30

1:52 pm-11:10 am

2 stops16h 18m

Shannon

Fri 6/6

1:05 pm-11:00 pm

2 stops14h 55m

$661

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 7/16

7:25 pm-11:20 am

1 stop10h 55m

Shannon

Tue 7/22

7:40 am-8:10 pm

1 stop17h 30m

$742

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Sun 7/13

8:10 am-5:55 am

2 stops16h 45m

Shannon

Tue 7/22

1:45 pm-9:45 am

2 stops25h 00m

$750

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 32 results

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?

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

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

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

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

7,934 reviews

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

7,934 reviews

Delta

8.0

Very good

7,934 reviews

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

1,334 reviews

Delta

8.0

Very good

7,934 reviews

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

1,446 reviews

Delta

8.0

Very good

7,934 reviews

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

8,696 reviews

Delta

8.0

Very good

7,934 reviews

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

7,934 reviews

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

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 $482 on United Airlines. Other airlines that offer cheap prices include Delta from $528 and American Airlines from $541 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

Alternative routes for Washington, D.C. to Limerick

Dulles Intl to Dublin flights

Reagan-National to Dublin flights

Dulles Intl to Shannon flights

Reagan-National to Shannon flights

Reagan-National to Cork flights

Dulles Intl to Cork flights

Dulles Intl to Milltown (Kerry) flights

Dulles Intl to Knock flights

Reagan-National to Donegal flights

Dulles Intl to Donegal flights

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

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$643	Average$665	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$644	Average$1,009	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$646	Average$994	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$663	Average$930	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$723	Average$945	FlexibilityNo cancel fee	On-time70%

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$426+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Limerick with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Limerick

Cheapest flights from Washington, D.C. to LimerickExplore 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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Limerick that are best for you.

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.

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 May 1, 2025.

Rainfall in Limerick by month

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

Temperature in Limerick by month

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

Reviews of airlines servicing Limerick

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.

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?

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

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

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

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

What is the cheapest month to book a flight from Washington, D.C. to Limerick?

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, D.C. to Limerick

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

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

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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 May 1, 2025.