$166+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Aug 15 — Aug 221
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Ireland with Cheapflights
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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 July 16, 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 July 16, 2026.
This KAYAK deal was found by Cheapflights users on 7/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Tue 9/151:20 pm
DUB
- STL
1 stop13h 00m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$329
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 8/191:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$336
This KAYAK deal was found by Cheapflights users on 7/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/154:05 pm
STL
- DUB
1 stop31h 05m
Aer Lingus
Thu 11/261:00 pm
DUB
- STL
1 stop32h 26m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$340
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/281:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$344
This Ovago deal was found by Cheapflights users on 7/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/271:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$354
This KAYAK deal was found by Cheapflights users on 7/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:05 pm
STL
- DUB
1 stop31h 05m
Aer Lingus
Thu 11/121:00 pm
DUB
- STL
1 stop32h 26m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$363
This KAYAK deal was found by Cheapflights users on 7/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$365
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/271:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$373
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 8/261:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$374
This KAYAK deal was found by Cheapflights users on 7/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
- STL
1 stop30h 44m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:20 am
STL
- SNN
1 stop19h 55m
United Airlines
Thu 10/112:30 pm
SNN
- STL
1 stop14h 39m
United Airlines
Deal found 7/14![United Airlines logo]()
$758
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:52 pm
STL
- ORK
2 stops19h 48m
Delta
Wed 8/196:15 am
ORK
- STL
2 stops17h 23m
Delta
Deal found 7/12![Delta logo]()
$766
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 July 16, 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 July 16, 2026.
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:25 am
STL
- DUB
2 stops16h 30m
United Airlines
Tue 12/159:00 am
DUB
- STL
1 stop12h 26m
United Airlines
Deal found 7/16![United Airlines logo]()
$696
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:40 pm
STL
- DUB
2 stops12h 05m
Delta
Tue 11/245:45 am
DUB
- STL
2 stops17h 05m
Delta
Deal found 7/15![Delta logo]()
$706
This British Airways deal was found by Cheapflights users on 7/14. 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.
Sun 8/169:40 pm
STL
- DUB
1 stop12h 40m
British Airways
Mon 8/315:15 pm
DUB
- STL
1 stop32h 15m
British Airways
Deal found 7/14![British Airways logo]()
$752
This KLM deal was found by Cheapflights users on 7/14. 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.
Thu 9/105:46 pm
STL
- ORK
2 stops16h 49m
KLM
Sat 9/1910:50 am
ORK
- STL
2 stops15h 45m
KLM
Deal found 7/14![KLM logo]()
$870
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:10 pm
STL
- DUB
1 stop13h 35m
United Airlines
Thu 9/39:50 am
DUB
- STL
2 stops31h 27m
United Airlines
Deal found 7/14![United Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:52 pm
STL
- ORK
2 stops19h 48m
Delta
Wed 8/196:15 am
ORK
- STL
2 stops17h 23m
Delta
Deal found 7/12![Delta logo]()
$766
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:10 pm
STL
- DUB
1 stop13h 35m
United Airlines
Tue 9/19:50 am
DUB
- STL
1 stop14h 52m
United Airlines
Deal found 7/14![United Airlines logo]()
$747
This Delta deal was found by Cheapflights users on 7/11. 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 8/199:15 am
STL
- ORK
2 stops19h 05m
Delta
Thu 9/310:50 am
ORK
- STL
2 stops19h 08m
Delta
Deal found 7/11![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:10 pm
STL
- DUB
1 stop13h 35m
United Airlines
Tue 9/19:50 am
DUB
- STL
1 stop14h 52m
United Airlines
Deal found 7/14![United Airlines logo]()
$747
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:20 am
STL
- ORK
2 stops22h 00m
Delta
Wed 9/96:15 am
ORK
- STL
2 stops23h 27m
Delta
Deal found 7/13![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:59 pm
STL
- SNN
2 stops15h 16m
United Airlines
Thu 10/112:30 pm
SNN
- STL
3 stops29h 43m
United Airlines
Deal found 7/14![United Airlines logo]()
$762
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:47 am
STL
- DUB
1 stop16h 08m
Delta
Wed 10/148:55 am
DUB
- STL
2 stops20h 53m
Delta
Deal found 7/15![Delta logo]()
$806
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:50 pm
STL
- SNN
1 stop11h 25m
United Airlines
Fri 8/2812:30 pm
SNN
- STL
2 stops16h 29m
United Airlines
Deal found 7/12![United Airlines logo]()
$783
This Delta deal was found by Cheapflights users on 7/11. 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 8/236:20 am
STL
- ORK
2 stops22h 00m
Delta
Sat 9/510:50 am
ORK
- STL
2 stops15h 52m
Delta
Deal found 7/11![Delta logo]()
$820
This United Airlines deal was found by Cheapflights users on 7/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:30 am
STL
- DUB
1 stop18h 15m
United Airlines
Sat 8/299:50 am
DUB
- STL
2 stops30h 22m
United Airlines
Deal found 7/13![United Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 7/11. 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.
Thu 8/206:05 am
STL
- ORK
2 stops22h 15m
Delta
Fri 9/46:15 am
ORK
- STL
2 stops16h 02m
Delta
Deal found 7/11![Delta logo]()
$820
This United Airlines deal was found by Cheapflights users on 7/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:30 pm
STL
- DUB
1 stop10h 15m
United Airlines
Wed 9/169:20 am
DUB
- STL
1 stop10h 40m
United Airlines
Deal found 7/12![United Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:29 am
STL
- ORK
2 stops22h 11m
Delta
Sat 9/196:15 am
ORK
- STL
2 stops19h 43m
Delta
Deal found 7/14![Delta logo]()
$857
This United Airlines deal was found by Cheapflights users on 7/11. 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 9/27:00 am
STL
- DUB
1 stop18h 30m
United Airlines
Sat 9/129:20 am
DUB
- STL
1 stop10h 40m
United Airlines
Deal found 7/11![United Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 7/11. 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 8/215:34 pm
STL
- ORK
2 stops16h 46m
Delta
Sun 9/610:50 am
ORK
- STL
2 stops15h 52m
Delta
Deal found 7/11![Delta logo]()
$866
This United Airlines deal was found by Cheapflights users on 7/11. 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 10/89:04 am
STL
- DUB
1 stop18h 41m
United Airlines
Wed 10/149:20 am
DUB
- STL
2 stops32h 53m
United Airlines
Deal found 7/11![United Airlines logo]()
$813
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
STL
- ORK
2 stops19h 35m
Delta
Wed 9/210:50 am
ORK
- STL
2 stops18h 36m
Delta
Deal found 7/13![Delta logo]()
$881
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am
STL
- SNN
1 stop17h 30m
United Airlines
Thu 9/179:30 am
SNN
- STL
1 stop14h 46m
United Airlines
Deal found 7/14![United Airlines logo]()
$829
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:50 pm
STL
- SNN
2 stops32h 40m
United Airlines
Sat 9/199:30 am
SNN
- STL
2 stops31h 47m
United Airlines
Deal found 7/16![United Airlines logo]()
$833
Last-minute flights from St. Louis to IrelandDiscover last-minute flight deals from St. Louis to Ireland. Data last updated July 16, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Ireland. Data last updated July 16, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 7/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$365
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 8/191:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$336
This Delta deal was found by Cheapflights users on 7/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:52 pm
STL
- ORK
2 stops19h 48m
Delta
Wed 8/196:15 am
ORK
- STL
2 stops17h 23m
Delta
Deal found 7/12![Delta logo]()
$766
This Ovago deal was found by Cheapflights users on 7/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/201:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$415
This KAYAK deal was found by Cheapflights users on 7/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
- STL
1 stop30h 44m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$379
This KAYAK deal was found by Cheapflights users on 7/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/281:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$404
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/281:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$344
This Ovago deal was found by Cheapflights users on 7/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/271:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$354
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/271:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$373
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 8/261:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$374
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 8/261:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$414
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:20 am
STL
- ORK
2 stops22h 00m
Delta
Wed 9/96:15 am
ORK
- STL
2 stops23h 27m
Delta
Deal found 7/13![Delta logo]()
$770
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 July 16, 2026.
Search for one-way flight options from St. Louis to Ireland. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
This Ovago deal was found by Cheapflights users on 7/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$166
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$225
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Tue 8/46:34 pm
STL
- DUB
3 stops42h 21m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$249
This KAYAK deal was found by Cheapflights users on 7/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$253
This Ovago deal was found by Cheapflights users on 7/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 9/22:00 pm
STL
- DUB
3 stops39h 05m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$306
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$310
This KAYAK deal was found by Cheapflights users on 7/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$317
This KAYAK deal was found by Cheapflights users on 7/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 9/2310:35 am
STL
- SNN
3 stops52h 15m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:20 am
STL
- SNN
1 stop19h 55m
United Airlines
Deal found 7/15![United Airlines logo]()
$463
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 July 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (KAYAK) |
One-way from | $166 (Ovago) |
Popular in | December |
Cheapest in | January |
Average price | $923 |
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 2,558,603 searches. Data last updated July 16, 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 - DUB
STLDUB
Lambert-St Louis
Tue 12/8
11:25 am-9:55 am
2 stops16h 30m
Dublin
Tue 12/15
9:00 am-3:26 pm
1 stop12h 26m
$696
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sun 11/15
3:40 pm-9:45 am
2 stops12h 05m
Dublin
Tue 11/24
5:45 am-4:50 pm
2 stops17h 05m
$706
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sun 8/16
12:10 pm-7:45 am
1 stop13h 35m
Dublin
Thu 9/3
9:50 am-11:17 am
2 stops31h 27m
$734
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sun 8/16
12:10 pm-7:45 am
1 stop13h 35m
Dublin
Tue 9/1
9:50 am-6:42 pm
1 stop14h 52m
$747
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Mon 8/17
12:10 pm-7:45 am
1 stop13h 35m
Dublin
Tue 9/1
9:50 am-6:42 pm
1 stop14h 52m
$747
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sun 8/16
9:40 pm-4:20 pm
1 stop12h 40m
Dublin
Mon 8/31
5:15 pm-7:30 pm
1 stop32h 15m
$752
St. LouisShannon
STL - SNN
STLSNN
Lambert-St Louis
Mon 9/21
12:59 pm-10:15 am
2 stops15h 16m
Shannon
Thu 10/1
12:30 pm-12:13 pm
3 stops29h 43m
$762
St. LouisCork
STL - ORK
STLORK
Lambert-St Louis
Wed 8/12
12:52 pm-2:40 pm
2 stops19h 48m
Cork
Wed 8/19
6:15 am-5:38 pm
2 stops17h 23m
$766
St. LouisCork
STL - ORK
STLORK
Lambert-St Louis
Wed 8/19
9:15 am-10:20 am
2 stops19h 05m
Cork
Thu 9/3
10:50 am-11:58 pm
2 stops19h 08m
$770
St. LouisCork
STL - ORK
STLORK
Lambert-St Louis
Sun 8/23
6:20 am-10:20 am
2 stops22h 00m
Cork
Wed 9/9
6:15 am-11:42 pm
2 stops23h 27m
$770
Showing 1-10 of 37 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 $322). Flying from St. Louis to Ireland in June is currently the most expensive (average of $608). 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 90 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 July 16, 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.
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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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St. Louis and Ireland flights
Browse other St. Louis and Ireland flight options. Last updated on July 16, 2026.
Popular flight searches
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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 2,558,603 searches. Data last updated July 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$325 | Average$425 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$412 | Average$786 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$428 | Average$727 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$429 | Average$560 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$430 | Average$637 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$809 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$482 | Average$601 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$484 | Average$755 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$488 | Average$812 | FlexibilityNo cancel fee | On-time71% |