$387+ Cheap flights from Ireland to St. Louis (STL)
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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from Ireland to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ireland to St. Louis
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Best
Last-minute
One-way
Cheapest flights from Ireland to St. LouisExplore the most affordable flight options available from Ireland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Ireland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Gotogate deal was found by Cheapflights users on 3/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:00 pm
DUB
- STL
1 stop13h 30m
Multiple Airlines
Sat 9/52:40 pm
STL
- DUB
2 stops35h 05m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$836
This Expedia deal was found by Cheapflights users on 3/15. 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 4/299:40 am
DUB
- STL
1 stop15h 50m
Aer Lingus
Wed 5/69:35 pm
STL
- DUB
1 stop12h 10m
Aer Lingus
Deal found 3/15![Aer Lingus logo]()
$961
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:50 am
DUB
- STL
2 stops21h 29m
Multiple Airlines
Wed 5/62:53 pm
STL
- DUB
1 stop11h 22m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$968
This Finnair deal was found by Cheapflights users on 3/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:30 am
DUB
- STL
1 stop18h 49m
Finnair
Sun 5/245:00 pm
STL
- DUB
1 stop12h 50m
Finnair
Deal found 3/16![Finnair logo]()
$987
This TravelUp deal was found by Cheapflights users on 3/14. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:30 am
DUB
- STL
1 stop13h 51m
Multiple Airlines
Sat 4/189:34 am
STL
- DUB
1 stop18h 11m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$994
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:25 am
DUB
- STL
2 stops21h 54m
Multiple Airlines
Mon 5/45:21 pm
STL
- DUB
1 stop11h 14m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$999
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Thu 4/2311:45 am
DUB
- STL
1 stop12h 19m
American Airlines
Sun 4/269:10 am
STL
- DUB
1 stop18h 25m
American Airlines
Deal found 3/15![American Airlines logo]()
$1,001
This British Airways deal was found by Cheapflights users on 3/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:20 pm
DUB
- STL
1 stop29h 10m
British Airways
Sun 4/262:33 pm
STL
- DUB
2 stops13h 07m
British Airways
Deal found 3/15![British Airways logo]()
$1,005
Best flights from Ireland to St. LouisDiscover carefully curated flight deals from Ireland to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Ireland to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Finnair deal was found by Cheapflights users on 3/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:30 am
DUB
- STL
1 stop18h 49m
Finnair
Sun 5/245:00 pm
STL
- DUB
1 stop12h 50m
Finnair
Deal found 3/15![Finnair logo]()
$987
This British Airways deal was found by Cheapflights users on 3/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:30 pm
DUB
- STL
1 stop34h 00m
British Airways
Sun 4/262:33 pm
STL
- DUB
2 stops13h 07m
British Airways
Deal found 3/14![British Airways logo]()
$1,005
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:30 pm
DUB
- STL
1 stop12h 52m
Lufthansa
Tue 4/281:10 pm
STL
- DUB
1 stop14h 35m
Lufthansa
Deal found 3/13![Lufthansa logo]()
$1,062
This KLM deal was found by Cheapflights users on 3/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:55 am
DUB
- STL
2 stops14h 34m
KLM
Wed 5/205:36 pm
STL
- DUB
1 stop32h 19m
KLM
Deal found 3/14![KLM logo]()
$1,063
This Finnair deal was found by Cheapflights users on 3/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:40 am
DUB
- STL
2 stops18h 37m
Finnair
Wed 5/205:21 pm
STL
- DUB
1 stop12h 29m
Finnair
Deal found 3/12![Finnair logo]()
$1,061
Last-minute flights from Ireland to St. LouisDiscover last-minute flight deals from Ireland to St. Louis. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to St. Louis. Data last updated March 17, 2026 and is based on user searches.
This TravelUp deal was found by Cheapflights users on 3/14. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:30 am
DUB
- STL
1 stop13h 51m
Multiple Airlines
Sat 4/189:34 am
STL
- DUB
1 stop18h 11m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$994
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:30 am
DUB
- STL
1 stop13h 51m
American Airlines
Sat 4/183:38 pm
STL
- DUB
1 stop12h 07m
American Airlines
Deal found 3/12![American Airlines logo]()
$1,016
This Iberia deal was found by Cheapflights users on 3/13. 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.
Mon 4/139:30 am
DUB
- STL
1 stop19h 29m
Iberia
Tue 4/2812:27 pm
STL
- DUB
1 stop15h 18m
Iberia
Deal found 3/13![Iberia logo]()
$1,011
This British Airways deal was found by Cheapflights users on 3/13. 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.
Mon 4/1311:10 am
DUB
- STL
2 stops17h 07m
British Airways
Tue 4/289:35 pm
STL
- DUB
1 stop11h 00m
British Airways
Deal found 3/13![British Airways logo]()
$1,032
This American Airlines deal was found by Cheapflights users on 3/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:40 pm
DUB
- STL
1 stop12h 49m
American Airlines
Sun 4/261:29 pm
STL
- DUB
1 stop11h 01m
American Airlines
Deal found 3/14![American Airlines logo]()
$1,001
This British Airways deal was found by Cheapflights users on 3/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:20 pm
DUB
- STL
1 stop29h 10m
British Airways
Sun 4/262:33 pm
STL
- DUB
2 stops13h 07m
British Airways
Deal found 3/15![British Airways logo]()
$1,005
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:25 am
DUB
- STL
2 stops21h 54m
Multiple Airlines
Mon 5/45:21 pm
STL
- DUB
1 stop11h 14m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$999
This Expedia deal was found by Cheapflights users on 3/15. 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 4/299:40 am
DUB
- STL
1 stop15h 50m
Aer Lingus
Wed 5/69:35 pm
STL
- DUB
1 stop12h 10m
Aer Lingus
Deal found 3/15![Aer Lingus logo]()
$961
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:50 am
DUB
- STL
2 stops21h 29m
Multiple Airlines
Wed 5/62:53 pm
STL
- DUB
1 stop11h 22m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$968
One-way flights from Ireland to St. LouisSearch for one-way flight options from Ireland to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Ireland to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:20 pm
DUB
- STL
3 stops44h 30m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:15 pm
DUB
- STL
3 stops36h 21m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:40 pm
DUB
- STL
3 stops46h 42m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/191:15 pm
DUB
- STL
2 stops15h 46m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$548
This oojo deal was found by Cheapflights users on 3/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2511:10 am
DUB
- STL
2 stops18h 44m
Aer Lingus
Deal found 3/13![Aer Lingus logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:40 am
DUB
- STL
2 stops16h 51m
WestJet
Deal found 3/12![WestJet logo]()
$647
This BusinessClass deal was found by Cheapflights users on 3/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:40 am
DUB
- STL
2 stops17h 29m
WestJet
Deal found 3/12![WestJet logo]()
$675
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:45 pm
DUB
- STL
3 stops32h 53m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$695
Find flight deals from Ireland to St. Louis
Keep the following information in mind while searching for Ireland to St. Louis flight deals. Data was last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $836 (Gotogate) |
One-way from | $387 (Kiwi.com) |
Popular in | January |
Cheapest in | August |
Average price | $1,016 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland to St. Louis 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 March 17, 2026.
Use the filters below to find and compare flights from Ireland to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Sat 5/9
9:30 am-10:19 pm
1 stop18h 49m
Lambert-St Louis
Sun 5/24
5:00 pm-11:50 am
1 stop12h 50m
$987
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Thu 4/23
3:30 pm-7:30 pm
1 stop34h 00m
Lambert-St Louis
Sun 4/26
2:33 pm-9:40 am
2 stops13h 07m
$1,005
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Wed 5/6
9:40 am-10:17 pm
2 stops18h 37m
Lambert-St Louis
Wed 5/20
5:21 pm-11:50 am
1 stop12h 29m
$1,061
Quickest round-trip
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Mon 4/13
12:30 pm-7:22 pm
1 stop12h 52m
Lambert-St Louis
Tue 4/28
1:10 pm-9:45 am
1 stop14h 35m
$1,062
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Wed 5/6
5:55 am-2:29 pm
2 stops14h 34m
Lambert-St Louis
Wed 5/20
5:36 pm-7:55 am
1 stop32h 19m
$1,063
Cheapest one-way
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Wed 6/17
12:15 pm-6:36 pm
3 stops36h 21m
$483
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Fri 6/19
1:15 pm-11:01 pm
2 stops15h 46m
$548
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Mon 7/13
9:40 am-8:31 pm
2 stops16h 51m
$647
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Mon 7/13
8:45 pm-11:38 pm
3 stops32h 53m
$695
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Fri 7/3
7:30 am-7:30 pm
1 stop18h 00m
$696
Showing 1-10 of 13 resultsSorted by cheapest first
Best time to book a flight from Ireland to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Ireland with our price prediction graph.
DUB-STL
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 Ireland to St. Louis
IE0-STL
DUB-STL
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Ireland to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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