$354+ Cheap flights from St. Louis (STL) to 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Oct 29 — Nov 51
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Ireland 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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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 September 29, 2026.
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 September 29, 2026.
This Gotogate deal was found by Cheapflights users on 9/26. 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.
Sun 11/153:40 pm -
1 stop13h 20m
Fri 11/275:10 am -
1 stop14h 35m
Deal found 9/26![Lufthansa logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/81:18 pm -
1 stop12h 52m
Tue 12/159:00 am -
2 stops33h 22m
Deal found 9/29![United Airlines logo]()
$699
This Gotogate deal was found by Cheapflights users on 9/27. 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.
Wed 11/113:40 pm -
1 stop13h 20m
Wed 11/185:10 am -
1 stop14h 35m
Deal found 9/27![Lufthansa logo]()
$703
This Orbitz deal was found by Cheapflights users on 9/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 pm -
2 stops30h 20m
Wed 11/185:10 am -
1 stop14h 35m
Deal found 9/25![Multiple Airlines logo]()
$705
This Justfly.com deal was found by Cheapflights users on 9/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:50 pm -
2 stops30h 20m
Thu 12/39:00 am -
2 stops43h 59m
Deal found 9/27![Air Canada logo]()
$707
This United deal was found by Cheapflights users on 9/27. 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.
Mon 10/268:30 am -
2 stops20h 50m
Wed 11/115:10 am -
1 stop14h 35m
Deal found 9/27![Multiple Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/810:50 am -
2 stops14h 40m
Thu 12/249:00 am -
1 stop12h 26m
Deal found 9/29![United Airlines logo]()
$716
This Booking.com deal was found by Cheapflights users on 9/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:53 am -
2 stops14h 17m
Wed 11/185:10 am -
1 stop14h 35m
Deal found 9/28![Multiple Airlines logo]()
$718
This Justfly.com deal was found by Cheapflights users on 9/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:30 pm -
2 stops18h 05m
Wed 11/41:05 pm -
2 stops15h 10m
Deal found 9/28![British Airways logo]()
$719
This Delta deal was found by Cheapflights users on 9/27. 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.
Wed 11/112:31 pm -
2 stops20h 09m
Wed 11/185:40 am -
2 stops22h 02m
Deal found 9/27![Delta logo]()
$732
This KLM deal was found by Cheapflights users on 9/25. 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 11/1010:20 am -
2 stops18h 20m
Tue 11/1711:15 am -
2 stops18h 41m
Deal found 9/25![KLM logo]()
$733
This United Airlines deal was found by Cheapflights users on 9/28. 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 9/299:30 am -
1 stop18h 45m
Tue 10/612:30 pm -
1 stop14h 39m
Deal found 9/28![United Airlines logo]()
$916
Best flights from St. Louis to IrelandDiscover 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 September 29, 2026.
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 September 29, 2026.
This United Airlines deal was found by Cheapflights users on 9/25. 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 2/155:00 am -
1 stop21h 10m
Thu 2/189:00 am -
2 stops36h 57m
Deal found 9/25![United Airlines logo]()
$680
This United deal was found by Cheapflights users on 9/26. 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.
Tue 11/109:40 am -
2 stops15h 50m
Wed 11/185:10 am -
1 stop14h 35m
Deal found 9/26![Multiple Airlines logo]()
$715
This Delta deal was found by Cheapflights users on 9/27. 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.
Sun 10/259:47 am -
1 stop17h 08m
Fri 11/65:45 am -
2 stops21h 06m
Deal found 9/27![Delta logo]()
$722
This KLM deal was found by Cheapflights users on 9/25. 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 11/1010:20 am -
2 stops18h 20m
Tue 11/1711:15 am -
2 stops18h 41m
Deal found 9/25![KLM logo]()
$733
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:20 pm -
2 stops16h 10m
Mon 11/168:05 pm -
2 stops31h 46m
Deal found 9/26![British Airways logo]()
$945
This Air Canada deal was found by Cheapflights users on 9/27. 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.
Tue 11/101:08 pm -
3 stops16h 22m
Wed 11/187:50 am -
3 stops19h 50m
Deal found 9/27![Air Canada logo]()
$980
This United Airlines deal was found by Cheapflights users on 9/26. 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 2/77:00 pm -
1 stop31h 10m
Thu 2/189:00 am -
2 stops36h 57m
Deal found 9/26![United Airlines logo]()
$680
This Delta deal was found by Cheapflights users on 9/27. 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.
Wed 11/112:31 pm -
2 stops20h 09m
Wed 11/185:40 am -
2 stops22h 02m
Deal found 9/27![Delta logo]()
$732
This United Airlines deal was found by Cheapflights users on 9/24. 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 11/161:00 pm -
1 stop15h 20m
Thu 11/269:00 am -
2 stops33h 13m
Deal found 9/24![United Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 9/28. 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 12/111:00 am -
1 stop16h 55m
Tue 12/810:40 am -
1 stop11h 44m
Deal found 9/28![United Airlines logo]()
$725
This Cheapflightsfares deal was found by Cheapflights users on 9/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1311:37 am -
2 stops17h 53m
Mon 12/218:05 pm -
2 stops29h 25m
Deal found 9/27![British Airways logo]()
$945
This Air Canada deal was found by Cheapflights users on 9/26. 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.
Mon 11/910:53 am -
3 stops18h 37m
Mon 11/168:05 pm -
2 stops49h 21m
Deal found 9/26![Multiple Airlines logo]()
$970
This United Airlines deal was found by Cheapflights users on 9/26. 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 11/151:08 pm -
2 stops14h 47m
Fri 11/279:30 am -
2 stops14h 39m
Deal found 9/26![United Airlines logo]()
$730
This British Airways deal was found by Cheapflights users on 9/25. 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 3/12:00 pm -
2 stops15h 10m
Thu 3/47:40 am -
2 stops15h 03m
Deal found 9/25![British Airways logo]()
$957
This Air Canada deal was found by Cheapflights users on 9/27. 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 11/1110:53 am -
3 stops18h 17m
Wed 11/187:40 am -
2 stops37h 46m
Deal found 9/27![Multiple Airlines logo]()
$971
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/129:59 am -
1 stop15h 31m
Thu 11/199:00 am -
2 stops31h 32m
Deal found 9/29![United Airlines logo]()
$749
This British Airways deal was found by Cheapflights users on 9/29. 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.
Sun 12/135:38 pm -
2 stops17h 07m
Thu 12/247:50 am -
2 stops30h 39m
Deal found 9/29![British Airways logo]()
$966
This United Airlines deal was found by Cheapflights users on 9/27. 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 1/279:22 am -
2 stops16h 08m
Sun 2/79:00 am -
1 stop12h 26m
Deal found 9/27![United Airlines logo]()
$752
This British Airways deal was found by Cheapflights users on 9/29. 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 12/81:17 pm -
2 stops16h 13m
Mon 12/215:30 pm -
2 stops32h 00m
Deal found 9/29![British Airways logo]()
$966
This Air Canada deal was found by Cheapflights users on 9/24. 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.
Sat 3/134:05 pm -
2 stops22h 55m
Sat 3/207:40 am -
3 stops18h 33m
Deal found 9/24![Multiple Airlines logo]()
$1,068
This Air Canada deal was found by Cheapflights users on 9/24. 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.
Sat 3/133:21 pm -
3 stops18h 04m
Sat 3/207:40 am -
3 stops18h 33m
Deal found 9/24![Air Canada logo]()
$1,336
This British Airways deal was found by Cheapflights users on 9/29. 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.
Wed 12/92:00 pm -
2 stops23h 25m
Tue 12/227:50 am -
2 stops20h 42m
Deal found 9/29![British Airways logo]()
$966
This British Airways deal was found by Cheapflights users on 9/29. 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.
Wed 12/91:17 pm -
2 stops16h 13m
Mon 12/218:05 pm -
2 stops29h 25m
Deal found 9/29![British Airways logo]()
$966
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/1412:20 pm -
1 stop15h 55m
Wed 10/2112:30 pm -
1 stop15h 06m
Deal found 9/26![United Airlines logo]()
$916
This Delta deal was found by Cheapflights users on 9/28. 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.
Fri 12/253:25 pm -
2 stops19h 15m
Sat 1/26:00 am -
2 stops22h 04m
Deal found 9/28![Delta logo]()
$1,672
This Ovago deal was found by Cheapflights users on 9/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/131:06 pm -
2 stops16h 04m
Sat 3/2011:55 am -
2 stops28h 04m
Deal found 9/24![British Airways logo]()
$1,043
Last-minute flights from St. Louis to IrelandDiscover last-minute flight deals from St. Louis to Ireland. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Ireland. Data last updated September 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/28. 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 9/299:30 am -
1 stop18h 45m
Tue 10/612:30 pm -
1 stop14h 39m
Deal found 9/28![United Airlines logo]()
$916
This Air Canada deal was found by Cheapflights users on 9/27. 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.
Sat 10/2412:10 pm -
2 stops37h 00m
Sun 11/19:00 am -
1 stop12h 23m
Deal found 9/27![Air Canada logo]()
$769
This Ovago deal was found by Cheapflights users on 9/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:36 pm -
2 stops36h 54m
Sat 10/315:10 pm -
2 stops29h 47m
Deal found 9/26![Multiple Airlines logo]()
$1,040
This Delta deal was found by Cheapflights users on 9/25. 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.
Sun 10/259:47 am -
1 stop17h 08m
Fri 11/65:45 am -
2 stops21h 06m
Deal found 9/25![Delta logo]()
$722
This Justfly.com deal was found by Cheapflights users on 9/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:40 pm -
1 stop13h 20m
Fri 11/65:10 am -
1 stop14h 35m
Deal found 9/27![Lufthansa logo]()
$723
This Gotogate deal was found by Cheapflights users on 9/27. 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.
Sun 10/254:40 pm -
1 stop13h 20m
Sun 11/19:00 am -
1 stop12h 23m
Deal found 9/27![Multiple Airlines logo]()
$761
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:40 am -
2 stops15h 30m
Sun 11/19:00 am -
1 stop12h 23m
Deal found 9/27![Air Canada logo]()
$765
This United deal was found by Cheapflights users on 9/27. 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.
Mon 10/263:15 pm -
1 stop11h 55m
Wed 11/115:10 am -
1 stop14h 35m
Deal found 9/27![Multiple Airlines logo]()
$710
This Justfly.com deal was found by Cheapflights users on 9/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:30 pm -
2 stops18h 05m
Wed 11/41:05 pm -
2 stops15h 10m
Deal found 9/28![British Airways logo]()
$719
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/265:00 pm -
1 stop11h 55m
Wed 11/410:40 am -
1 stop13h 29m
Deal found 9/28![United Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 9/27. 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 10/266:24 pm -
2 stops15h 06m
Wed 11/115:45 am -
2 stops24h 11m
Deal found 9/27![Delta logo]()
$726
This Delta deal was found by Cheapflights users on 9/26. 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 10/266:00 am -
1 stop20h 45m
Mon 11/21:25 pm -
2 stops16h 29m
Deal found 9/26![Delta logo]()
$772
One-way flights from St. Louis to IrelandSearch for one-way flight options from St. Louis to Ireland. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
Search for one-way flight options from St. Louis to Ireland. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/116:44 pm -
3 stops55h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/233:04 pm -
3 stops42h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Sat 11/147:59 pm -
3 stops37h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/96:44 pm -
2 stops29h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/146:35 pm -
3 stops44h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$411
This Cheapflightsfares deal was found by Cheapflights users on 9/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:02 am -
1 stop17h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Aer Lingus logo]()
$425
This FlightHub deal was found by Cheapflights users on 9/27. 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.
Sun 11/812:43 pm -
2 stops22h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![British Airways logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/136:44 pm -
2 stops29h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$448
This Ovago deal was found by Cheapflights users on 9/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
1 stop18h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Aer Lingus logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/2010:27 am -
2 stops17h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/189:30 am -
2 stops19h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/1212:14 pm -
2 stops35h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$461
Find 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 September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $680 (United Airlines) |
One-way from | $354 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $364 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 29, 2026.
Use the filters below to find and compare flights from St. Louis to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Thu 12/31
1:25 pm-9:55 am
2 stops14h 30m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$379
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Sun 11/8
6:02 am-5:15 am
1 stop17h 13m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$425
St. LouisShannon
STL Lambert-St Louis - SNN Shannon
STLSNN
Lambert-St Louis
Tue 10/20
7:30 am-10:15 am
1 stop20h 45m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$459
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Sun 10/18
9:30 am-10:40 am
2 stops19h 10m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$459
St. LouisShannon
STL Lambert-St Louis - SNN Shannon
STLSNN
Lambert-St Louis
Thu 11/12
12:14 pm-6:10 am
2 stops35h 56m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$461
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Thu 11/12
4:26 pm-12:20 am
3 stops49h 54m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$470
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Thu 11/12
7:26 am-5:15 am
1 stop15h 49m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$472
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Thu 11/12
5:29 pm-5:35 pm
2 stops18h 06m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$488
St. LouisDublin
STL Lambert-St Louis - DUB Dublin
STLDUB
Lambert-St Louis
Sun 11/8
2:00 pm-10:15 am
3 stops38h 15m
Dublin
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$498
St. LouisCork
STL Lambert-St Louis - ORK Cork
STLORK
Lambert-St Louis
Thu 11/12
12:28 pm-2:45 pm
2 stops20h 17m
Cork
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$514
Showing 1-10 of 40 resultsSorted by cheapest first
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.
STL-DUB
STL-SNN
STL-ORK
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
STL-IE0
STL-DUB
STL-SNN
STL-ORK
What is the cheapest month to book a flight from St. Louis to Ireland?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Ireland (average of $423). Flying from St. Louis to Ireland in June is currently the most expensive (average of $1,241). 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.
How far ahead should I book a flight from St. Louis to Ireland?
To ensure you get the cheapest price possible for a flight from St. Louis to Ireland, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 September 29, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAer 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.
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
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Alternative routes for St. Louis to Ireland
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Complete your trip
Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from St. Louis to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Ireland flights
Browse other St. Louis and Ireland flight options. Last updated on September 29, 2026.
Popular flight searches
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St. Louis to Ireland flights
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Fly to Ireland regions
Consider these flights traveling to Ireland regions.
Top 8 airlines flying from St. Louis to Ireland
Discover the top 8 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 7,457,451 searches. Data last updated September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$325 | Average$400 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$429 | Average$597 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$430 | Average$631 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$474 | Average$768 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$482 | Average$838 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$484 | Average$871 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$489 | Average$824 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$538 | Average$897 | FlexibilityNo cancel fee | On-time75% |