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Limerick

$470+ Cheap flights from St. Louis (STL) 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ORK
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap 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 December 17, 2025.

This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:05 pmSTL - SNN
2 stops37h 25mMultiple Airlines
Mon 1/58:05 pmSNN - STL
2 stops49h 24mMultiple Airlines
Deal found 12/15$963
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:35 pmSTL - SNN
3 stops34h 55mAir Canada
Mon 1/57:50 amSNN - STL
3 stops19h 53mAir Canada
Deal found 12/15$1,996
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/246:00 pmSTL - SNN
2 stops40h 45mAmerican Airlines
Mon 1/52:45 pmSNN - STL
1 stop29h 38mAmerican Airlines
Deal found 12/15$2,571

Find 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 December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$470
(American Airlines)

Popular in

June

Cheapest in

December

Average price

$483
Provider with most accurate pricing for Lambert-St Louis-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Shannon flights.
Search Deals
From Lambert-St Louis to Limerick
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 17, 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 4/21

10:00 pm-8:35 pm

1 stop16h 35m

Shannon

Tue 5/5

9:15 pm-7:30 pm

1 stop28h 15m

$470

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sat 4/18

6:29 pm-4:05 pm

2 stops15h 36m

Shannon

Sun 4/26

7:40 am-9:11 pm

2 stops19h 31m

$584

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Fri 2/6

4:05 pm-3:45 pm

2 stops17h 40m

Shannon

Tue 2/10

7:50 am-3:29 pm

2 stops37h 39m

$683

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 4/21

11:25 am-11:20 am

3 stops17h 55m

Shannon

Tue 5/5

7:40 am-8:05 pm

2 stops18h 25m

$684

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Fri 5/15

6:00 am-10:15 am

2 stops22h 15m

$659

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Fri 5/15

3:30 pm-11:15 am

1 stop13h 45m

$747

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, December is the cheapest month in which you can book a flight from St. Louis to Limerick (average of $483). Flying from St. Louis to Limerick in June is currently the most expensive (average of $752). 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 December 17, 2025.

It’s optimal to fly from St. Louis to Limerick at noon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

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 December 17, 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
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

  • How long is the flight from St. Louis to Limerick?

    For as low as $470, American Airlines can have you in Limerick from St. Louis in 16h 35m. The distance from St. Louis to Limerick is about 3824 mi.

  • 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, December is the cheapest month in which you can book a flight from St. Louis to Limerick (average of $483). Flying from St. Louis to Limerick in June is currently the most expensive (average of $752). 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 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 December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$548Average$801FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$596Average$892FlexibilityNo cancel feeOn-time69%

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