$454+ Cheap flights from Ireland to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Jul 21 — Jul 281
Round-trip
1 adult, Economy
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Find cheap flights from Ireland to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ireland to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ireland to St. LouisExplore the most affordable flight options available from Ireland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
Explore the most affordable flight options available from Ireland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:05 pm
DUB
- STL
2 stops34h 34m
Scandinavian Airlines
Sun 12/611:51 am
STL
- DUB
2 stops24h 29m
Scandinavian Airlines
Deal found 6/19![Scandinavian Airlines logo]()
$936
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/226:35 pm
DUB
- STL
2 stops55h 04m
Multiple Airlines
Thu 10/89:47 am
STL
- DUB
1 stop13h 23m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$964
This Mytrip deal was found by Cheapflights users on 6/17. 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.
Thu 8/69:40 am
DUB
- STL
2 stops34h 22m
Multiple Airlines
Mon 8/178:55 am
STL
- DUB
3 stops28h 05m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$971
This Flighttix deal was found by Cheapflights users on 6/17. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:40 pm
DUB
- STL
1 stop26h 44m
Iberia
Thu 10/83:33 pm
STL
- DUB
1 stop12h 12m
Iberia
Deal found 6/17![Iberia logo]()
$977
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:30 am
DUB
- STL
1 stop28h 47m
American Airlines
Sun 12/66:00 am
STL
- DUB
1 stop20h 30m
American Airlines
Deal found 6/18![American Airlines logo]()
$978
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:30 am
DUB
- STL
1 stop20h 44m
American Airlines
Sun 9/68:07 pm
STL
- DUB
1 stop9h 43m
American Airlines
Deal found 6/20![American Airlines logo]()
$982
Best flights from Ireland to St. LouisDiscover carefully curated flight deals from Ireland to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
Discover carefully curated flight deals from Ireland to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 6/18. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:05 pm
DUB
- STL
2 stops34h 34m
Scandinavian Airlines
Sun 12/611:51 am
STL
- DUB
2 stops24h 29m
Scandinavian Airlines
Deal found 6/18![Scandinavian Airlines logo]()
$937
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:30 am
DUB
- STL
1 stop20h 44m
American Airlines
Sun 9/68:07 pm
STL
- DUB
1 stop9h 43m
American Airlines
Deal found 6/20![American Airlines logo]()
$982
This Delta deal was found by Cheapflights users on 6/17. 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 9/225:55 am
DUB
- STL
2 stops20h 40m
Delta
Thu 10/85:45 pm
STL
- DUB
2 stops15h 40m
Delta
Deal found 6/17![Delta logo]()
$1,004
This lol.travel deal was found by Cheapflights users on 6/17. 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.
Thu 7/239:30 am
DUB
- STL
1 stop20h 46m
Finnair
Thu 7/305:58 pm
STL
- DUB
1 stop11h 52m
Finnair
Deal found 6/17![Finnair logo]()
$1,051
This Iberia deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:45 pm
DUB
- STL
1 stop15h 49m
Iberia
Fri 9/48:07 pm
STL
- DUB
1 stop9h 43m
Iberia
Deal found 6/18![Iberia logo]()
$1,105
This Air Canada deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:20 am
DUB
- STL
1 stop10h 42m
Air Canada
Sun 9/612:59 pm
STL
- DUB
2 stops12h 46m
Air Canada
Deal found 6/20![Air Canada logo]()
$1,114
This Mytrip deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:15 pm
DUB
- STL
3 stops29h 27m
Multiple Airlines
Mon 8/102:40 pm
STL
- DUB
1 stop11h 35m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,159
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:55 am
DUB
- STL
2 stops20h 31m
Delta
Mon 8/106:30 am
STL
- DUB
1 stop21h 30m
Delta
Deal found 6/19![Delta logo]()
$1,169
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:55 am
DUB
- STL
2 stops17h 19m
Delta
Fri 9/411:00 am
STL
- DUB
2 stops17h 00m
Delta
Deal found 6/20![Delta logo]()
$1,178
Last-minute flights from Ireland to St. LouisDiscover last-minute flight deals from Ireland to St. Louis. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to St. Louis. Data last updated June 21, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 6/18. 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.
Thu 6/259:30 am
DUB
- STL
1 stop20h 46m
Finnair
Wed 7/85:58 pm
STL
- DUB
1 stop11h 52m
Finnair
Deal found 6/18![Finnair logo]()
$1,050
This Mytrip deal was found by Cheapflights users on 6/18. 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.
Thu 6/259:40 am
DUB
- STL
2 stops32h 41m
Multiple Airlines
Wed 7/88:55 am
STL
- DUB
2 stops31h 45m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,106
This lol.travel deal was found by Cheapflights users on 6/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/269:30 am
DUB
- STL
1 stop20h 46m
Finnair
Thu 7/95:58 pm
STL
- DUB
1 stop11h 52m
Finnair
Deal found 6/16![Finnair logo]()
$1,052
This American Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2611:45 am
DUB
- STL
1 stop11h 34m
American Airlines
Thu 7/911:15 am
STL
- DUB
1 stop13h 15m
American Airlines
Deal found 6/17![American Airlines logo]()
$1,108
This lol.travel deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:30 am
DUB
- STL
1 stop20h 46m
Finnair
Sat 7/115:19 pm
STL
- DUB
1 stop12h 31m
Finnair
Deal found 6/20![Finnair logo]()
$1,040
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:55 am
DUB
- STL
2 stops20h 28m
Delta
Sat 7/115:36 pm
STL
- DUB
2 stops15h 49m
Delta
Deal found 6/20![Delta logo]()
$1,176
This Finnair deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:30 am
DUB
- STL
1 stop20h 46m
Finnair
Mon 7/135:58 pm
STL
- DUB
1 stop11h 52m
Finnair
Deal found 6/17![Finnair logo]()
$1,103
This Expedia deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:40 pm
DUB
- STL
1 stop13h 11m
Iberia
Mon 7/137:56 pm
STL
- DUB
2 stops39h 44m
Iberia
Deal found 6/17![Iberia logo]()
$1,126
This Flighttix deal was found by Cheapflights users on 6/17. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:30 am
DUB
- STL
1 stop13h 10m
British Airways
Wed 7/157:07 am
STL
- DUB
1 stop20h 38m
British Airways
Deal found 6/17![British Airways logo]()
$1,082
One-way flights from Ireland to St. LouisSearch for one-way flight options from Ireland to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
Search for one-way flight options from Ireland to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/307:55 am
DUB
- STL
3 stops39h 27m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/112:15 pm
DUB
- STL
3 stops50h 42m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$461
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:40 am
DUB
- STL
2 stops29h 57m
WestJet
Deal found 6/16![WestJet logo]()
$482
This oojo deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:40 am
DUB
- STL
2 stops29h 57m
WestJet
Deal found 6/17![WestJet logo]()
$485
This Mytrip deal was found by Cheapflights users on 6/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:15 pm
DUB
- STL
3 stops29h 27m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$493
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:40 am
DUB
- STL
2 stops16h 02m
WestJet
Deal found 6/16![WestJet logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/27:15 pm
DUB
- STL
3 stops48h 18m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:40 am
DUB
- STL
3 stops28h 12m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$526
This oojo deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:40 am
DUB
- STL
2 stops29h 57m
WestJet
Deal found 6/17![WestJet logo]()
$528
This oojo deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:40 am
DUB
- STL
2 stops16h 59m
WestJet
Deal found 6/18![WestJet logo]()
$535
Find flight deals from Ireland to St. Louis
Keep the following information in mind while searching for Ireland to St. Louis flight deals. Data was last updated June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $936 (Scandinavian Airlines) |
One-way from | $454 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $1,174 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ireland to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from Ireland to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Thu 12/3
7:05 pm-11:39 pm
2 stops34h 34m
Lambert-St Louis
Sun 12/6
11:51 am-6:20 pm
2 stops24h 29m
$937
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Wed 9/2
9:30 am-12:14 am
1 stop20h 44m
Lambert-St Louis
Sun 9/6
8:07 pm-11:50 am
1 stop9h 43m
$982
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Tue 9/22
5:55 am-8:35 pm
2 stops20h 40m
Lambert-St Louis
Thu 10/8
5:45 pm-3:25 pm
2 stops15h 40m
$1,004
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Thu 7/23
9:30 am-12:16 am
1 stop20h 46m
Lambert-St Louis
Thu 7/30
5:58 pm-11:50 am
1 stop11h 52m
$1,051
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Sat 8/15
1:45 pm-11:34 pm
1 stop15h 49m
Lambert-St Louis
Fri 9/4
8:07 pm-11:50 am
1 stop9h 43m
$1,105
Quickest round-trip
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Wed 9/2
9:20 am-2:02 pm
1 stop10h 42m
Lambert-St Louis
Sun 9/6
12:59 pm-7:45 am
2 stops12h 46m
$1,114
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Mon 8/3
7:15 pm-6:42 pm
3 stops29h 27m
Lambert-St Louis
Mon 8/10
2:40 pm-8:15 am
1 stop11h 35m
$1,159
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Mon 8/3
8:55 am-11:26 pm
2 stops20h 31m
Lambert-St Louis
Mon 8/10
6:30 am-10:00 am
1 stop21h 30m
$1,169
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Sat 8/15
5:55 am-5:14 pm
2 stops17h 19m
Lambert-St Louis
Fri 9/4
11:00 am-10:00 am
2 stops17h 00m
$1,178
Cheapest one-way
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Sat 8/1
12:15 pm-8:57 am
3 stops50h 42m
$461
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Ireland to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Ireland with our price prediction graph.
DUB-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ireland to St. Louis
IE0-STL
DUB-STL
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Ireland to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
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