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Limerick

$397+ Cheap flights from St. Louis (STL) 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ORK
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from St. Louis to Limerick

Keep the following information in mind while searching for St. Louis to Limerick flight deals. Data was last updated August 14, 2025.

Round-trip from

$695
(United Airlines)

One-way from

$397
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$877
From Lambert-St Louis to Limerick
Search Deals
One-way flight from Lambert-St Louis to Limerick
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Highest demand for flights based on searches. 13% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 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 St. Louis to Limerick

Cheapest flights from St. Louis to Limerick
Explore the most affordable flight options available from St. Louis to Limerick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/14. 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 9/19:17 amSTL - SNN
1 stop16h 13mUnited Airlines
Tue 9/99:45 amSNN - STL
1 stop11h 59mUnited Airlines
Deal found 8/14$641
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/28:15 amSTL - SNN
2 stops17h 15mUnited Airlines
Wed 9/109:30 amSNN - STL
1 stop12h 14mUnited Airlines
Deal found 8/14$645
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 8/315:30 pmSTL - SNN
1 stop32h 00mUnited Airlines
Wed 9/109:30 amSNN - STL
1 stop10h 49mUnited Airlines
Deal found 8/14$646
This Delta deal was found by Cheapflights users on 8/14. 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 9/16:40 amSTL - SNN
2 stops22h 30mDelta
Tue 9/91:05 pmSNN - STL
2 stops26h 10mDelta
Deal found 8/14$675
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/43:20 pmSTL - SNN
1 stop10h 10mUnited Airlines
Thu 9/119:30 amSNN - STL
1 stop10h 49mUnited Airlines
Deal found 8/14$691
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/138:20 amSTL - SNN
2 stops19h 55mUnited Airlines
Wed 9/249:30 amSNN - STL
1 stop14h 53mUnited Airlines
Deal found 8/14$695
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/127:04 pmSTL - SNN
1 stop30h 26mUnited Airlines
Tue 9/239:30 amSNN - STL
1 stop10h 49mUnited Airlines
Deal found 8/12$696
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/19:17 amSTL - SNN
1 stop16h 13mUnited Airlines
Mon 9/89:30 amSNN - STL
1 stop10h 49mUnited Airlines
Deal found 8/14$701
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 8/315:30 pmSTL - SNN
1 stop32h 00mUnited Airlines
Mon 9/89:30 amSNN - STL
1 stop10h 49mUnited Airlines
Deal found 8/14$706
This Delta deal was found by Cheapflights users on 8/14. 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 9/16:40 amSTL - SNN
2 stops22h 30mDelta
Mon 9/81:05 pmSNN - STL
2 stops26h 10mDelta
Deal found 8/14$735
This Air France deal was found by Cheapflights users on 8/14. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:45 amSTL - SNN
2 stops18h 25mMultiple Airlines
Mon 9/81:05 pmSNN - STL
2 stops33h 01mMultiple Airlines
Deal found 8/14$743
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/153:20 pmSTL - SNN
1 stop10h 10mUnited Airlines
Tue 9/239:30 amSNN - STL
1 stop10h 49mUnited Airlines
Deal found 8/14$746

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 14, 2025.
Use the filters below to find and compare flights from St. Louis to Limerick that are best for you.

Fly from

St. Louis

Fly to

Limerick

Route

Depart

Return

Price

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 9/2

8:10 am-7:30 am

1 stop17h 20m

Shannon

Wed 9/10

9:30 am-9:32 pm

1 stop18h 02m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Mon 9/1

9:17 am-7:30 am

1 stop16h 13m

Shannon

Thu 9/11

9:30 am-6:23 pm

1 stop14h 53m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Mon 9/1

9:17 am-7:30 am

1 stop16h 13m

Shannon

Tue 9/9

9:45 am-3:44 pm

1 stop11h 59m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Mon 9/1

6:35 am-7:30 am

1 stop18h 55m

Shannon

Wed 9/10

9:30 am-9:32 pm

1 stop18h 02m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 9/2

6:35 am-7:30 am

1 stop18h 55m

Shannon

Thu 9/11

9:30 am-3:44 pm

1 stop12h 14m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 9/2

8:10 am-7:30 am

1 stop17h 20m

Shannon

Tue 9/9

12:30 pm-7:13 pm

1 stop12h 43m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 9/3

3:20 pm-7:30 am

1 stop10h 10m

Shannon

Tue 9/9

9:45 am-5:52 pm

1 stop14h 07m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 9/3

6:35 am-7:30 am

1 stop18h 55m

Shannon

Thu 9/11

9:30 am-2:19 pm

1 stop10h 49m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 9/3

3:20 pm-7:30 am

1 stop10h 10m

Shannon

Wed 9/10

9:30 am-6:23 pm

1 stop14h 53m

$641

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Fri 9/12

1:57 pm-1:10 pm

3 stops41h 13m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 11 results
1
2

Best time to book a flight from St. Louis to Limerick

Have a flexible travel schedule? Discover the best time to fly to Limerick from St. Louis 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 St. Louis to Limerick

What is the cheapest month to book a flight from St. Louis to Limerick?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Limerick (average of $644). Flying from St. Louis 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 time of day to fly from STL to LR9?

Find hourly flight availability from St. Louis 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 14, 2025.

When flying from St. Louis 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.

How much does it cost to fly round-trip from St. Louis to Limerick?

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 14, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from St. Louis to Limerick by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

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
8,916 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

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 St. Louis to Limerick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Limerick?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Limerick. 2 airlines have flights from Lambert-St Louis to Limerick on a regular basis. Booking flights from Lambert-St Louis to Limerick should not be difficult; the airport handles an average of 0 outbound flights to Limerick per day.

  • Can I find deals for flights from St. Louis to Limerick that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Limerick?

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

  • Can I find deals for business class flights from St. Louis to Limerick?

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Limerick?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Limerick (average of $644). Flying from St. Louis 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 2 airlines flying from St. Louis to Limerick

Discover the top 2 airlines that operate flights from St. Louis 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$503Average$770FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$671Average$996FlexibilityNo cancel feeOn-time69%

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