How long is the flight from St. Louis to Ireland?

A quick flight from St. Louis to Ireland can take about 10h 13m. Delta provides one of the quickest options available for as low as $438. The distance between St. Louis and Ireland is about 3909 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

If weather is an important factor for your trip to Ireland, 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 41.0 F).

What are the most popular routes from St. Louis to Ireland?

While some choose either Lambert-St Louis - Cork or Lambert-St Louis - Shannon, Lambert-St Louis - Dublin is the most popular route from St. Louis to Ireland.

What are the most popular airlines that fly from St. Louis to Ireland?

Before booking your flight from St. Louis to Ireland check out the most popular airlines for this route: United Airlines, American Airlines or Air Canada.

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

For a flight from St. Louis to Ireland, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

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

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

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

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

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

Yes. Cheapflights offers flight deals from St. Louis to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$277+ Flights from St. Louis to Ireland

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Find flight deals from St. Louis to Ireland

Cheapest flights from St. Louis to Ireland
Explore the most affordable flight options available from St. Louis to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Mon 12/16:00 amSTL - DUB

1 stop19h 45mDelta

Tue 12/1610:45 amDUB - STL

2 stops29h 05mDelta

Deal found 10/28

$425

Wed 10/293:59 pmSTL - DUB

1 stop10h 46mKLM

Wed 11/510:45 amDUB - STL

1 stop11h 58mKLM

Deal found 10/28

$433

Sun 11/94:30 pmSTL - DUB

1 stop10h 15mDelta

Tue 11/2510:45 amDUB - STL

1 stop11h 48mDelta

Deal found 10/30

$434

Tue 12/26:39 amSTL - DUB

2 stops19h 06mDelta

Wed 12/1010:45 amDUB - STL

2 stops16h 02mDelta

Deal found 10/28

$438

Mon 11/105:24 pmSTL - DUB

2 stops31h 46mMultiple Airlines

Wed 11/265:10 amDUB - STL

1 stop14h 45mMultiple Airlines

Deal found 10/29

$462

Mon 11/103:14 pmSTL - DUB

2 stops13h 06mUnited Airlines

Wed 11/269:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 10/29

$465

Wed 10/2912:31 pmSTL - DUB

2 stops13h 59mUnited Airlines

Wed 11/510:40 amDUB - STL

1 stop11h 09mUnited Airlines

Deal found 10/28

$483

Wed 10/295:15 pmSTL - DUB

2 stops18h 05mDelta

Wed 11/56:00 amDUB - STL

2 stops22h 04mDelta

Deal found 10/28

$484

Sun 11/304:46 pmSTL - ORK

2 stops16h 39mAmerican Airlines

Mon 12/157:40 amORK - STL

2 stops21h 26mAmerican Airlines

Deal found 10/28

$635

Wed 12/34:05 pmSTL - SNN

2 stops13h 25mAir Canada

Sun 12/78:05 pmSNN - STL

2 stops49h 24mAir Canada

Deal found 10/29

$683

Wed 12/311:50 amSTL - SNN

1 stop12h 30mAmerican Airlines

Sun 12/72:45 pmSNN - STL

2 stops14h 53mAmerican Airlines

Deal found 10/29

$717

Fri 12/1211:50 amSTL - SNN

1 stop12h 30mAmerican Airlines

Fri 12/192:45 pmSNN - STL

2 stops16h 40mAmerican Airlines

Deal found 10/28

$841

Best flights from St. Louis to Ireland
Discover carefully curated flight deals from St. Louis to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Mon 12/16:00 amSTL - DUB

1 stop19h 45mDelta

Tue 12/169:45 amDUB - STL

1 stop13h 04mDelta

Deal found 10/28

$433

Tue 12/212:49 pmSTL - DUB

1 stop12h 56mMultiple Airlines

Wed 12/1010:45 amDUB - STL

1 stop11h 50mMultiple Airlines

Deal found 10/28

$433

Tue 12/24:32 pmSTL - DUB

1 stop10h 13mKLM

Wed 12/1011:30 amDUB - STL

2 stops16h 27mKLM

Deal found 10/28

$438

Thu 1/89:57 amSTL - DUB

2 stops39h 13mAir Canada

Wed 1/219:00 amDUB - STL

2 stops43h 58mAir Canada

Deal found 10/30

$462

Mon 1/129:57 amSTL - DUB

2 stops15h 33mUnited Airlines

Sun 1/189:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 10/30

$473

Tue 1/62:54 pmSTL - ORK

2 stops18h 31mAmerican Airlines

Tue 1/207:40 amORK - STL

2 stops17h 49mAmerican Airlines

Deal found 10/28

$486

Tue 12/26:39 amSTL - DUB

2 stops19h 06mDelta

Wed 12/1010:45 amDUB - STL

2 stops16h 02mDelta

Deal found 10/28

$438

Thu 1/811:20 amSTL - DUB

2 stops37h 50mAir Canada

Fri 1/169:00 amDUB - STL

2 stops33h 29mAir Canada

Deal found 10/30

$462

Mon 11/105:31 pmSTL - DUB

1 stop10h 24mMultiple Airlines

Wed 11/265:10 amDUB - STL

1 stop14h 45mMultiple Airlines

Deal found 10/29

$464

Sat 1/107:00 amSTL - DUB

2 stops19h 10mUnited Airlines

Sat 1/179:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 10/30

$473

Sun 1/117:00 amSTL - DUB

1 stop18h 30mMultiple Airlines

Sun 1/189:00 amDUB - STL

1 stop12h 29mMultiple Airlines

Deal found 10/30

$468

Thu 1/88:30 amSTL - DUB

2 stops17h 40mUnited Airlines

Wed 1/219:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 10/30

$473

Tue 1/139:57 amSTL - DUB

2 stops15h 33mUnited Airlines

Sun 1/189:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 10/30

$473

Sun 11/302:12 pmSTL - ORK

2 stops14h 58mAmerican Airlines

Mon 12/157:40 amORK - STL

2 stops21h 26mAmerican Airlines

Deal found 10/29

$635

Wed 12/34:05 pmSTL - SNN

2 stops13h 25mAir Canada

Sun 12/78:05 pmSNN - STL

2 stops49h 24mAir Canada

Deal found 10/29

$683

Wed 12/311:50 amSTL - SNN

1 stop12h 30mAmerican Airlines

Sun 12/72:45 pmSNN - STL

2 stops14h 53mAmerican Airlines

Deal found 10/29

$717

Fri 12/1211:50 amSTL - SNN

1 stop12h 30mAmerican Airlines

Fri 12/192:45 pmSNN - STL

2 stops16h 40mAmerican Airlines

Deal found 10/28

$841

Tue 1/611:20 amSTL - ORK

3 stops17h 50mMultiple Airlines

Tue 1/2011:55 amORK - STL

2 stops33h 34mMultiple Airlines

Deal found 10/28

$855

Tue 1/611:20 amSTL - ORK

3 stops17h 50mAir Canada

Tue 1/207:40 amORK - STL

3 stops19h 33mAir Canada

Deal found 10/30

$865

Fri 12/124:05 pmSTL - SNN

2 stops17h 40mMultiple Airlines

Fri 12/197:50 amSNN - STL

3 stops19h 53mMultiple Airlines

Deal found 10/28

$1,433

Sun 11/304:05 pmSTL - ORK

2 stops25h 20mAir Canada

Mon 12/157:40 amORK - STL

3 stops20h 00mAir Canada

Deal found 10/29

$1,459

Mon 12/224:05 pmSTL - SNN

2 stops42h 40mAir Canada

Sun 12/287:50 amSNN - STL

2 stops37h 39mAir Canada

Deal found 10/28

$1,530

Mon 12/2210:01 amSTL - SNN

1 stop14h 19mAmerican Airlines

Sun 12/282:45 pmSNN - STL

2 stops15h 10mAmerican Airlines

Deal found 10/28

$1,813

Mon 12/224:05 pmSTL - SNN

2 stops13h 25mMultiple Airlines

Sun 12/287:50 amSNN - STL

3 stops19h 53mMultiple Airlines

Deal found 10/28

$1,973

Last-minute flights from St. Louis to Ireland
Discover last-minute flight deals from St. Louis to Ireland. Data last updated October 30, 2025 and is based on user searches.

Sat 11/15:15 pmSTL - ORK

2 stops16h 45mMultiple Airlines

Mon 11/36:00 amORK - STL

2 stops16h 10mMultiple Airlines

Deal found 10/28

$1,495

Tue 11/46:14 pmSTL - DUB

2 stops15h 31mDelta

Sun 11/99:45 amDUB - STL

1 stop14h 12mDelta

Deal found 10/28

$503

Wed 11/512:31 pmSTL - DUB

2 stops15h 49mUnited Airlines

Sun 11/99:00 amDUB - STL

2 stops39h 47mUnited Airlines

Deal found 10/28

$510

Wed 11/55:15 pmSTL - DUB

2 stops17h 05mDelta

Sun 11/99:45 amDUB - STL

1 stop14h 12mDelta

Deal found 10/28

$515

Wed 11/512:31 pmSTL - DUB

2 stops22h 39mLufthansa

Sun 11/95:10 amDUB - STL

1 stop14h 45mLufthansa

Deal found 10/30

$516

Sun 11/94:30 pmSTL - DUB

1 stop10h 15mDelta

Tue 11/2510:45 amDUB - STL

1 stop11h 48mDelta

Deal found 10/30

$434

Mon 11/105:24 pmSTL - DUB

2 stops31h 46mMultiple Airlines

Wed 11/265:10 amDUB - STL

1 stop14h 45mMultiple Airlines

Deal found 10/29

$462

Mon 11/103:14 pmSTL - DUB

2 stops13h 06mUnited Airlines

Wed 11/269:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 10/29

$465

Sun 11/302:12 pmSTL - ORK

2 stops14h 58mAmerican Airlines

Mon 12/157:40 amORK - STL

2 stops21h 26mAmerican Airlines

Deal found 10/30

$635

Sun 11/304:05 pmSTL - ORK

2 stops22h 55mMultiple Airlines

Mon 12/157:40 amORK - STL

3 stops20h 00mMultiple Airlines

Deal found 10/28

$1,459

Sun 11/304:05 pmSTL - ORK

2 stops17h 20mAir Canada

Mon 12/157:40 amORK - STL

3 stops20h 00mAir Canada

Deal found 10/30

$1,509

One-way flights from St. Louis to Ireland
Search for one-way flight options from St. Louis to Ireland. Find affordable one-way fares based on user searches. Data last updated October 30, 2025.

Sun 11/1611:17 amSTL - DUB

3 stops40h 58mMultiple Airlines

Deal found 10/29

$277

Tue 11/187:45 pmSTL - DUB

3 stops27h 30mMultiple Airlines

Deal found 10/27

$322

Sun 11/1611:41 amSTL - DUB

1 stop13h 49mLufthansa

Deal found 10/29

$397

Tue 11/183:14 pmSTL - DUB

2 stops13h 06mUnited Airlines

Deal found 10/27

$399

Tue 11/46:43 pmSTL - DUB

2 stops16h 27mLufthansa

Deal found 10/29

$405

Wed 11/511:37 amSTL - DUB

2 stops23h 33mLufthansa

Deal found 10/28

$408

Tue 11/41:10 pmSTL - DUB

1 stop15h 10mUnited Airlines

Deal found 10/29

$419

Tue 11/46:43 pmSTL - DUB

3 stops33h 47mMultiple Airlines

Deal found 10/29

$436

Wed 12/176:00 amSTL - DUB

1 stop17h 05mAer Lingus

Deal found 10/30

$719

Cheap flight deals from St. Louis to Ireland

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$434 (Delta)
One-way from	$277 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$774

Provider with most accurate pricing for Lambert-St Louis-Dublin flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Dublin flights.

Search Deals

From Lambert-St Louis to Ireland

Search Deals

One-way flight from Lambert-St Louis to Ireland

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($257 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 12/1

6:00 am-7:45 am

1 stop19h 45m

Dublin

Tue 12/16

9:45 am-4:49 pm

1 stop13h 04m

$433

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 12/2

12:49 pm-7:45 am

1 stop12h 56m

Dublin

Wed 12/10

10:45 am-4:35 pm

1 stop11h 50m

$433

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 12/2

4:32 pm-8:45 am

1 stop10h 13m

Dublin

Wed 12/10

11:30 am-9:57 pm

2 stops16h 27m

$438

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 12/2

6:39 am-7:45 am

2 stops19h 06m

Dublin

Wed 12/10

10:45 am-8:47 pm

2 stops16h 02m

$438

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 1/8

9:57 am-7:10 am

2 stops39h 13m

Dublin

Wed 1/21

9:00 am-10:58 pm

2 stops43h 58m

$462

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 1/8

11:20 am-7:10 am

2 stops37h 50m

Dublin

Fri 1/16

9:00 am-12:29 pm

2 stops33h 29m

$462

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/10

5:31 pm-9:55 am

1 stop10h 24m

Dublin

Wed 11/26

5:10 am-1:55 pm

1 stop14h 45m

$464

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 1/11

7:00 am-7:30 am

1 stop18h 30m

Dublin

Sun 1/18

9:00 am-3:29 pm

1 stop12h 29m

$468

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 1/12

9:57 am-7:30 am

2 stops15h 33m

Dublin

Sun 1/18

9:00 am-3:29 pm

1 stop12h 29m

$473

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 1/10

7:00 am-8:10 am

2 stops19h 10m

Dublin

Sat 1/17

9:00 am-3:29 pm

1 stop12h 29m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 31 results

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

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Ireland (average of $397). Flying from St. Louis to Ireland in June is currently the most expensive (average of $718). 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 IE?

It’s typically best to fly out from St. Louis to Ireland in the evening. Doing so could potentially save you 29% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Ireland

Get a feel of what it's like to fly with United Airlines, American Airlines, and Aer Lingus from St. Louis to Ireland 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

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

8,998 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,035 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Aer Lingus

7.2

Good

1,365 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Air Canada

7.1

Good

10,381 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Iberia

7.0

Good

3,003 reviews

United Airlines

7.4

Good

8,998 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

What airport do you fly from for flights from St. Louis to Ireland?
For a flight from St. Louis to Ireland, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.
How long is the flight from St. Louis to Ireland?
A quick flight from St. Louis to Ireland can take about 10h 13m. Delta provides one of the quickest options available for as low as $438. The distance between St. Louis and Ireland is about 3909 mi. This flight may include one or multiple stops.
What are the most popular routes from St. Louis to Ireland?
While some choose either Lambert-St Louis - Cork or Lambert-St Louis - Shannon, Lambert-St Louis - Dublin is the most popular route from St. Louis to Ireland.
Can I find deals for flights from St. Louis to Ireland that include hotel bookings?
Yes. In addition to deals on St. Louis to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Ireland.
Can I find deals for business class flights from St. Louis to Ireland?
Yes. Cheapflights offers flight deals from St. Louis to Ireland 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 Ireland?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Ireland (average of $397). Flying from St. Louis to Ireland in June is currently the most expensive (average of $718). 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 9 airlines flying from St. Louis to Ireland

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$412	Average$614	FlexibilityNo cancel fee	On-time75%
Air Canada	Cheapest$462	Average$780	FlexibilityNo cancel fee	On-time67%
British Airways	Cheapest$463	Average$629	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$482	Average$678	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$483	Average$844	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$504	Average$896	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$526	Average$847	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$560	Average$844	FlexibilityNo cancel fee	On-time71%
Aer Lingus	Cheapest$736	Average$929	FlexibilityNo cancel fee	On-timeN/A

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$277+ Cheap flights from St. Louis (STL) to 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Ireland with Cheapflights

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Find flight deals from St. Louis to Ireland

Cheapest flights from St. Louis to IrelandExplore the most affordable flight options available from St. Louis to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Explore the most affordable flight options available from St. Louis to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Cheap flight deals from St. Louis to Ireland

Keep the following information in mind while searching for St. Louis to Ireland flight deals. Data was last updated October 30, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Ireland that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to Ireland from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Ireland

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

What is the cheapest time of day to fly from STL to IE?

Find hourly flight availability from St. Louis to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Reviews of airlines servicing Ireland

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

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Ireland. 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 Ireland?

How long is the flight from St. Louis to Ireland?

What are the most popular routes from St. Louis to Ireland?

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

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

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

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Alternative routes for St. Louis to Ireland

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Top 9 airlines flying from St. Louis to Ireland

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Cheapest flights from St. Louis to Ireland
Explore the most affordable flight options available from St. Louis to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.