$371+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Ireland with Cheapflights
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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 May 5, 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 May 5, 2026.
This Gotogate deal was found by Cheapflights users on 5/1. 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 9/912:10 pm
STL
- DUB
1 stop13h 35m
Multiple Airlines
Tue 9/156:00 am
DUB
- STL
1 stop13h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$668
This Gotogate deal was found by Cheapflights users on 5/1. 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 9/18:55 am
STL
- DUB
1 stop17h 20m
Multiple Airlines
Fri 9/116:05 am
DUB
- STL
1 stop13h 20m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$673
This United Airlines deal was found by Cheapflights users on 5/1. 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 9/15:10 am
STL
- DUB
2 stops20h 35m
United Airlines
Fri 9/119:20 am
DUB
- STL
2 stops33h 29m
United Airlines
Deal found 5/1![United Airlines logo]()
$679
This Gotogate deal was found by Cheapflights users on 5/5. 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 9/28:55 am
STL
- DUB
1 stop17h 20m
Multiple Airlines
Wed 9/95:55 am
DUB
- STL
1 stop13h 30m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 5/4. 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 9/912:10 pm
STL
- DUB
1 stop13h 35m
United Airlines
Tue 9/159:20 am
DUB
- STL
1 stop15h 21m
United Airlines
Deal found 5/4![United Airlines logo]()
$691
This Air Canada deal was found by Cheapflights users on 5/5. 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 9/912:10 pm
STL
- DUB
1 stop13h 35m
Air Canada
Tue 9/159:20 am
DUB
- STL
2 stops16h 40m
Air Canada
Deal found 5/5![Air Canada logo]()
$700
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/26:00 am
STL
- DUB
2 stops19h 45m
United Airlines
Wed 9/99:20 am
DUB
- STL
1 stop10h 40m
United Airlines
Deal found 5/5![United Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 4/30. 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 9/18:30 pm
STL
- SNN
1 stop29h 00m
United Airlines
Fri 9/49:30 am
SNN
- STL
1 stop33h 19m
United Airlines
Deal found 4/30![United Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 5/1. 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 8/1611:25 am
STL
- SNN
1 stop14h 05m
United Airlines
Fri 8/289:30 am
SNN
- STL
1 stop10h 55m
United Airlines
Deal found 5/1![United Airlines logo]()
$770
This Air France deal was found by Cheapflights users on 5/5. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:42 pm
STL
- ORK
2 stops16h 58m
Multiple Airlines
Wed 9/910:50 am
ORK
- STL
2 stops18h 47m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 5/1. 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 8/155:32 pm
STL
- SNN
1 stop31h 58m
United Airlines
Sun 8/239:30 am
SNN
- STL
1 stop19h 30m
United Airlines
Deal found 5/1![United Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 5/1. 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 8/2310:45 am
STL
- ORK
2 stops21h 55m
Delta
Wed 9/96:15 am
ORK
- STL
2 stops23h 22m
Delta
Deal found 5/1![Delta logo]()
$827
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 May 5, 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 May 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/27:01 am
STL
- DUB
3 stops18h 44m
United Airlines
Wed 9/99:20 am
DUB
- STL
1 stop10h 40m
United Airlines
Deal found 5/5![United Airlines logo]()
$701
This Air France deal was found by Cheapflights users on 5/5. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:42 pm
STL
- ORK
2 stops16h 58m
Multiple Airlines
Wed 9/910:50 am
ORK
- STL
2 stops18h 47m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$818
This Delta deal was found by Cheapflights users on 5/1. 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 8/2310:45 am
STL
- ORK
2 stops21h 55m
Delta
Wed 9/96:15 am
ORK
- STL
2 stops23h 22m
Delta
Deal found 5/1![Delta logo]()
$827
This FlightHub deal was found by Cheapflights users on 5/3. 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 8/233:30 pm
STL
- ORK
1 stop19h 00m
Lufthansa
Wed 9/95:05 pm
ORK
- STL
2 stops52h 33m
Lufthansa
Deal found 5/3![Lufthansa logo]()
$916
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 8/239:40 pm
STL
- ORK
1 stop16h 10m
British Airways
Wed 9/911:25 am
ORK
- STL
1 stop14h 05m
British Airways
Deal found 5/1![British Airways logo]()
$986
This United Airlines deal was found by Cheapflights users on 5/4. 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 9/18:30 pm
STL
- SNN
1 stop29h 00m
United Airlines
Fri 9/49:30 am
SNN
- STL
1 stop14h 46m
United Airlines
Deal found 5/4![United Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 5/3. 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 9/610:24 am
STL
- DUB
2 stops14h 56m
United Airlines
Sun 9/139:20 am
DUB
- STL
1 stop10h 40m
United Airlines
Deal found 5/3![United Airlines logo]()
$752
This Delta deal was found by Cheapflights users on 5/1. 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.
Sat 9/57:20 am
STL
- DUB
2 stops20h 40m
Delta
Tue 9/155:55 am
DUB
- STL
2 stops16h 54m
Delta
Deal found 5/1![Delta logo]()
$840
This United Airlines deal was found by Cheapflights users on 5/5. 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 9/151:18 pm
STL
- SNN
1 stop12h 12m
United Airlines
Tue 9/2912:30 pm
SNN
- STL
1 stop14h 54m
United Airlines
Deal found 5/5![United Airlines logo]()
$770
This Air France deal was found by Cheapflights users on 5/1. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:36 pm
STL
- ORK
2 stops15h 04m
Multiple Airlines
Wed 7/156:15 am
ORK
- STL
2 stops20h 22m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$980
This United Airlines deal was found by Cheapflights users on 5/1. 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 9/95:00 am
STL
- SNN
1 stop20h 30m
United Airlines
Tue 9/229:30 am
SNN
- STL
1 stop10h 55m
United Airlines
Deal found 5/1![United Airlines logo]()
$770
This Delta deal was found by Cheapflights users on 5/1. 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 5/291:59 pm
STL
- ORK
2 stops18h 26m
Delta
Fri 6/56:15 am
ORK
- STL
2 stops23h 06m
Delta
Deal found 5/1![Delta logo]()
$1,058
This United Airlines deal was found by Cheapflights users on 5/2. 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 8/114:52 pm
STL
- DUB
1 stop12h 18m
United Airlines
Wed 8/199:20 am
DUB
- STL
2 stops32h 53m
United Airlines
Deal found 5/2![United Airlines logo]()
$800
This Air France deal was found by Cheapflights users on 5/4. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:36 pm
STL
- ORK
2 stops15h 04m
Multiple Airlines
Tue 6/910:50 am
ORK
- STL
2 stops19h 06m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,164
This Delta deal was found by Cheapflights users on 5/4. 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 7/110:51 am
STL
- ORK
2 stops21h 49m
Delta
Wed 7/156:15 am
ORK
- STL
2 stops20h 22m
Delta
Deal found 5/4![Delta logo]()
$1,108
This United Airlines deal was found by Cheapflights users on 5/2. 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 7/2212:10 pm
STL
- DUB
1 stop13h 35m
United Airlines
Wed 7/299:20 am
DUB
- STL
2 stops32h 51m
United Airlines
Deal found 5/2![United Airlines logo]()
$952
This United Airlines deal was found by Cheapflights users on 5/1. 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 7/75:33 pm
STL
- DUB
1 stop10h 12m
United Airlines
Tue 7/219:50 am
DUB
- STL
1 stop14h 52m
United Airlines
Deal found 5/1![United Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 5/2. 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 7/215:33 pm
STL
- DUB
1 stop10h 12m
United Airlines
Tue 7/289:50 am
DUB
- STL
1 stop14h 52m
United Airlines
Deal found 5/2![United Airlines logo]()
$961
Last-minute flights from St. Louis to IrelandDiscover last-minute flight deals from St. Louis to Ireland. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Ireland. Data last updated May 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/55:25 pm
STL
- DUB
1 stop11h 45m
United Airlines
Tue 5/129:50 am
DUB
- STL
1 stop16h 19m
United Airlines
Deal found 4/30![United Airlines logo]()
$884
This British Airways deal was found by Cheapflights users on 4/30. 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 5/54:30 pm
STL
- DUB
2 stops13h 35m
British Airways
Tue 5/128:35 am
DUB
- STL
1 stop16h 55m
British Airways
Deal found 4/30![British Airways logo]()
$888
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Tue 5/511:15 am
STL
- DUB
2 stops15h 00m
Air Canada
Tue 5/129:50 am
DUB
- STL
2 stops16h 35m
Air Canada
Deal found 4/30![Air Canada logo]()
$891
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:42 am
STL
- ORK
2 stops20h 58m
Delta
Thu 5/216:15 am
ORK
- STL
2 stops23h 06m
Delta
Deal found 4/30![Delta logo]()
$993
This United Airlines deal was found by Cheapflights users on 5/3. 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 5/101:24 pm
STL
- DUB
1 stop14h 21m
United Airlines
Sun 5/179:20 am
DUB
- STL
2 stops43h 10m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,026
This Delta deal was found by Cheapflights users on 5/1. 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 5/1010:19 am
STL
- DUB
1 stop17h 41m
Delta
Sun 5/245:55 am
DUB
- STL
2 stops16h 51m
Delta
Deal found 5/1![Delta logo]()
$1,050
This KLM deal was found by Cheapflights users on 5/1. 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.
Sun 5/106:04 pm
STL
- DUB
1 stop9h 56m
KLM
Sun 5/2412:00 pm
DUB
- STL
1 stop17h 21m
KLM
Deal found 5/1![KLM logo]()
$1,053
This lol.travel deal was found by Cheapflights users on 5/4. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:21 pm
STL
- DUB
1 stop12h 29m
Finnair
Wed 5/279:30 am
DUB
- STL
1 stop20h 24m
Finnair
Deal found 5/4![Finnair logo]()
$932
This KLM deal was found by Cheapflights users on 5/4. 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.
Mon 5/117:01 pm
STL
- DUB
1 stop31h 44m
KLM
Wed 5/275:55 am
DUB
- STL
2 stops14h 36m
KLM
Deal found 5/4![KLM logo]()
$984
This Gotogate deal was found by Cheapflights users on 5/1. 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.
Fri 5/291:05 pm
STL
- DUB
1 stop12h 40m
Multiple Airlines
Fri 6/56:05 am
DUB
- STL
1 stop13h 20m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,010
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Fri 5/291:05 pm
STL
- DUB
1 stop12h 40m
United Airlines
Fri 6/59:20 am
DUB
- STL
2 stops40h 06m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,030
This Mytrip deal was found by Cheapflights users on 5/4. 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.
Mon 6/12:15 pm
STL
- DUB
1 stop13h 05m
Multiple Airlines
Mon 6/89:40 am
DUB
- STL
2 stops16h 29m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,013
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 May 5, 2026.
Search for one-way flight options from St. Louis to Ireland. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Gotogate deal was found by Cheapflights users on 5/3. 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 9/159:46 am
STL
- DUB
1 stop13h 24m
Aer Lingus
Deal found 5/3![Aer Lingus logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 8/234:10 pm
STL
- DUB
3 stops24h 35m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$409
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 8/239:40 pm
STL
- DUB
1 stop10h 50m
British Airways
Deal found 5/2![British Airways logo]()
$423
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Tue 9/292:40 pm
STL
- DUB
2 stops20h 30m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/56:33 pm
STL
- DUB
3 stops55h 02m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$440
This Mytrip deal was found by Cheapflights users on 5/2. 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 8/239:16 am
STL
- DUB
2 stops16h 29m
Air Canada
Deal found 5/2![Air Canada logo]()
$443
This Mytrip deal was found by Cheapflights users on 5/3. 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.
Tue 9/152:40 pm
STL
- DUB
3 stops26h 40m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 8/215:33 pm
STL
- DUB
2 stops52h 57m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$458
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/114:09 pm
STL
- DUB
2 stops57h 41m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/234:17 pm
STL
- DUB
3 stops49h 38m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 5/1. 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 5/1511:25 am
STL
- ORK
2 stops21h 00m
Delta
Deal found 5/1![Delta logo]()
$726
This KLM deal was found by Cheapflights users on 5/4. 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.
Fri 5/151:59 pm
STL
- ORK
2 stops14h 21m
KLM
Deal found 5/4![KLM logo]()
$730
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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $668 (Gotogate) |
One-way from | $371 (Gotogate) |
Popular in | June |
Cheapest in | January |
Average price | $790 |
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 May 5, 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
Wed 9/2
7:01 am-7:45 am
3 stops18h 44m
Dublin
Wed 9/9
9:20 am-2:00 pm
1 stop10h 40m
$701
St. LouisShannon
STL - SNN
STLSNN
Lambert-St Louis
Tue 9/1
8:30 pm-7:30 am
1 stop29h 00m
Shannon
Fri 9/4
9:30 am-6:16 pm
1 stop14h 46m
$709
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sun 9/6
10:24 am-7:20 am
2 stops14h 56m
Dublin
Sun 9/13
9:20 am-2:00 pm
1 stop10h 40m
$752
St. LouisShannon
STL - SNN
STLSNN
Lambert-St Louis
Tue 9/15
1:18 pm-7:30 am
1 stop12h 12m
Shannon
Tue 9/29
12:30 pm-9:24 pm
1 stop14h 54m
$770
St. LouisShannon
STL - SNN
STLSNN
Lambert-St Louis
Wed 9/9
5:00 am-7:30 am
1 stop20h 30m
Shannon
Tue 9/22
9:30 am-2:25 pm
1 stop10h 55m
$770
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Tue 8/11
4:52 pm-11:10 am
1 stop12h 18m
Dublin
Wed 8/19
9:20 am-12:13 pm
2 stops32h 53m
$800
St. LouisCork
STL - ORK
STLORK
Lambert-St Louis
Sun 8/23
3:42 pm-2:40 pm
2 stops16h 58m
Cork
Wed 9/9
10:50 am-11:37 pm
2 stops18h 47m
$818
St. LouisCork
STL - ORK
STLORK
Lambert-St Louis
Sun 8/23
10:45 am-2:40 pm
2 stops21h 55m
Cork
Wed 9/9
6:15 am-11:37 pm
2 stops23h 22m
$827
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sat 9/5
7:20 am-10:00 am
2 stops20h 40m
Dublin
Tue 9/15
5:55 am-4:49 pm
2 stops16h 54m
$840
St. LouisCork
STL - ORK
STLORK
Lambert-St Louis
Sun 8/23
3:30 pm-4:30 pm
1 stop19h 00m
Cork
Wed 9/9
5:05 pm-3:38 pm
2 stops52h 33m
$916
Showing 1-10 of 33 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-ORK
STL-SNN
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-ORK
STL-SNN
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.
What is the cheapest month to book a flight from St. Louis to Ireland?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Ireland (average of $385). Flying from St. Louis to Ireland in June is currently the most expensive (average of $711). 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.
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 May 5, 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.
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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
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St. Louis and Ireland flights
Browse other St. Louis and Ireland flight options. Last updated on May 5, 2026.
Popular flight searches
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St. Louis to Ireland flights
Consider these flights traveling from St. Louis to Ireland.
Fly to Ireland regions
Consider these flights traveling to Ireland regions.
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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$412 | Average$677 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$418 | Average$556 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$430 | Average$641 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$456 | Average$721 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$456 | Average$784 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$466 | Average$605 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$483 | Average$710 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$804 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$714 | Average$909 | FlexibilityNo cancel fee | On-timeN/A |