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$282+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from St. Louis to Ireland

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Ireland (IE0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

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 November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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 12/48:25 amSTL - DUB
1 stop19h 40mUnited Airlines
Wed 12/119:00 amDUB - STL
1 stop12h 06mUnited Airlines
Deal found 11/19$524
This United deal was found by Cheapflights users on 11/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:25 amSTL - DUB
1 stop19h 40mMultiple Airlines
Fri 12/135:00 amDUB - STL
1 stop14h 55mMultiple Airlines
Deal found 11/20$537
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 12/37:15 amSTL - DUB
1 stop19h 10mDelta
Thu 12/1211:30 amDUB - STL
1 stop12h 29mDelta
Deal found 11/19$538
This KLM deal was found by Cheapflights users on 11/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:25 amSTL - DUB
2 stops14h 40mKLM
Thu 12/128:50 amDUB - STL
2 stops15h 39mKLM
Deal found 11/19$573
This KLM deal was found by Cheapflights users on 11/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/42:00 pmSTL - ORK
2 stops16h 55mKLM
Wed 12/116:00 amORK - STL
2 stops18h 29mKLM
Deal found 11/20$576
This Iberia deal was found by Cheapflights users on 11/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/31:46 pmSTL - DUB
1 stop12h 54mIberia
Sun 12/156:50 pmDUB - STL
2 stops33h 15mIberia
Deal found 11/19$604
This Gurufare deal was found by Cheapflights users on 11/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:40 amSTL - DUB
1 stop16h 25mAer Lingus
Fri 12/133:20 pmDUB - STL
1 stop12h 52mAer Lingus
Deal found 11/20$728
This Air Canada deal was found by Cheapflights users on 11/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/411:20 amSTL - ORK
3 stops17h 50mMultiple Airlines
Wed 12/117:40 amORK - STL
2 stops37h 26mMultiple Airlines
Deal found 11/20$860
This Air Canada deal was found by Cheapflights users on 11/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/411:20 amSTL - ORK
3 stops17h 50mAir Canada
Wed 12/1111:55 amORK - STL
3 stops28h 32mAir Canada
Deal found 11/20$871
This British Airways deal was found by Cheapflights users on 11/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/31:46 pmSTL - DUB
2 stops13h 54mBritish Airways
Sun 12/1510:45 amDUB - STL
2 stops17h 28mBritish Airways
Deal found 11/19$891
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/25:40 pmSTL - DUB
2 stops31h 30mAir Canada
Fri 12/139:00 amDUB - STL
2 stops36h 34mAir Canada
Deal found 11/20$894
This Lufthansa deal was found by Cheapflights users on 11/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/51:10 pmSTL - DUB
1 stop14h 55mLufthansa
Fri 12/135:00 amDUB - STL
1 stop14h 55mLufthansa
Deal found 11/19$896

Find flights from St. Louis to Ireland within your budget

Customize your flight search to find flights from St. Louis to Ireland 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/5

10:18 am-10:05 am

2 stops17h 47m

Dublin

Wed 3/12

8:00 am-12:12 pm

2 stops33h 12m

$477

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/5

2:10 pm-8:40 am

1 stop12h 30m

Dublin

Wed 3/12

6:40 am-6:59 pm

2 stops17h 19m

$483

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 3/4

10:18 am-7:10 am

2 stops14h 52m

Dublin

Wed 3/12

8:00 am-3:06 pm

1 stop12h 06m

$490

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 1/13

2:55 pm-7:10 am

2 stops34h 15m

Dublin

Wed 1/29

9:00 am-2:14 pm

2 stops35h 14m

$493

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 3/4

10:20 am-8:25 am

2 stops16h 05m

Dublin

Fri 3/14

11:30 am-9:43 am

2 stops27h 13m

$503

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 3/9

4:45 pm-11:00 am

1 stop13h 15m

Dublin

Wed 3/19

5:00 am-2:55 pm

1 stop14h 55m

$513

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 3/10

3:50 pm-9:45 am

1 stop12h 55m

Dublin

Tue 3/18

5:55 am-6:02 pm

2 stops17h 07m

$536

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 2/11

2:10 pm-8:40 am

1 stop12h 30m

Dublin

Tue 2/18

2:05 pm-8:43 pm

1 stop12h 38m

$552

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 3/23

2:54 pm-3:05 pm

2 stops19h 11m

Dublin

Sat 3/29

8:35 pm-8:05 pm

2 stops28h 30m

$556

St. LouisCork

STL - ORK

STLORK

Lambert-St Louis

Wed 2/26

6:00 pm-3:25 pm

2 stops15h 25m

Cork

Thu 3/6

7:40 am-9:40 pm

2 stops20h 00m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 34 results
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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.

Travel insights for flights from St. Louis to Ireland

Get recent, data-driven insights about flights from St. Louis to Ireland including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Ireland (average of $498). Flying from St. Louis to Ireland in June is currently the most expensive (average of $944). 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?

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 November 20, 2024.

When flying from St. Louis to Ireland, 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 Ireland by month

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

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.

Temperature in Ireland by month

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

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).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated November 20, 2024.
To help decide which airline to fly from St. Louis to Ireland, see what other customers have to say about Air Canada, United Airlines and Aer Lingus. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Scandinavian Airlines
7.3
Good
1,301 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    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.

  • What are the cheapest airlines to fly from St. Louis to Ireland one-way?

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $406. However, be on the lookout for offers from British Airways and Iberia, as they are both options that can get you from St. Louis to Ireland for a low price.

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

    While some choose either Lambert-St Louis - Shannon or Lambert-St Louis - Cork, 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, November is the cheapest month in which you can book a flight from St. Louis to Ireland (average of $498). Flying from St. Louis to Ireland in June is currently the most expensive (average of $944). 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.

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Alternative routes for St. Louis to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from St. Louis to Ireland

Discover the top 9 airlines that operate flights from St. Louis to Ireland. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$488Average$975FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$494Average$896FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$500Average$813FlexibilityNo cancel feeOn-time70%
IberiaCheapest$503Average$852FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$503Average$899FlexibilityNo cancel feeOn-time71%
DeltaCheapest$505Average$999FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$532Average$816FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$560Average$988FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$930Average$1,203FlexibilityNo cancel feeOn-timeN/A
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