$462+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Find cheap flights from Ireland to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ireland to St. Louis
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Best
Last-minute
One-way
Cheapest flights from Ireland to St. LouisExplore the most affordable flight options available from Ireland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 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 May 5, 2026.
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.
Sun 5/319:35 pm
DUB
- STL
2 stops21h 50m
Multiple Airlines
Sun 6/71:05 pm
STL
- DUB
2 stops18h 40m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$897
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:00 am
DUB
- STL
1 stop13h 00m
KLM
Sat 5/304:00 pm
STL
- DUB
1 stop10h 45m
KLM
Deal found 5/2![KLM logo]()
$951
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.
Mon 6/158:55 am
DUB
- STL
2 stops17h 44m
Delta
Mon 6/228:49 am
STL
- DUB
2 stops19h 11m
Delta
Deal found 5/1![Delta logo]()
$956
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:30 am
DUB
- STL
1 stop18h 49m
Finnair
Sun 5/245:00 pm
STL
- DUB
1 stop12h 50m
Finnair
Deal found 5/3![Finnair logo]()
$957
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:55 am
DUB
- STL
2 stops18h 14m
Delta
Sun 5/246:21 am
STL
- DUB
1 stop19h 34m
Delta
Deal found 5/3![Delta logo]()
$958
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:55 am
DUB
- STL
2 stops17h 21m
Delta
Sat 5/3012:59 pm
STL
- DUB
2 stops15h 01m
Delta
Deal found 5/2![Delta logo]()
$959
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:00 am
DUB
- STL
1 stop17h 09m
Delta
Sun 6/71:39 pm
STL
- DUB
1 stop13h 06m
Delta
Deal found 5/3![Delta logo]()
$968
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:15 pm
DUB
- STL
2 stops32h 52m
Multiple Airlines
Fri 1/86:00 am
STL
- DUB
1 stop20h 30m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$992
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:30 am
DUB
- STL
1 stop20h 46m
Multiple Airlines
Sun 6/219:40 pm
STL
- DUB
1 stop15h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,002
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 May 5, 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 May 5, 2026.
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.
Mon 6/155:55 am
DUB
- STL
2 stops17h 28m
Delta
Mon 6/223:57 pm
STL
- DUB
1 stop10h 48m
Delta
Deal found 5/1![Delta logo]()
$956
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:55 am
DUB
- STL
2 stops15h 22m
KLM
Tue 6/237:12 pm
STL
- DUB
1 stop31h 33m
KLM
Deal found 5/2![KLM logo]()
$959
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:30 am
DUB
- STL
1 stop20h 24m
Finnair
Tue 6/25:00 pm
STL
- DUB
1 stop12h 50m
Finnair
Deal found 4/30![Finnair logo]()
$1,020
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.
Sun 6/148:40 am
DUB
- STL
3 stops33h 26m
Multiple Airlines
Sun 6/212:15 pm
STL
- DUB
3 stops26h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,183
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:55 am
DUB
- STL
2 stops16h 51m
Delta
Thu 6/253:57 pm
STL
- DUB
1 stop9h 58m
Delta
Deal found 5/3![Delta logo]()
$958
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:10 am
DUB
- STL
2 stops18h 13m
Delta
Tue 6/239:21 am
STL
- DUB
2 stops17h 54m
Delta
Deal found 5/2![Delta logo]()
$959
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:55 am
DUB
- STL
2 stops17h 21m
Delta
Mon 6/810:51 am
STL
- DUB
2 stops17h 09m
Delta
Deal found 5/2![Delta logo]()
$959
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:00 am
DUB
- STL
1 stop13h 16m
Delta
Sun 6/76:10 pm
STL
- DUB
1 stop9h 50m
Delta
Deal found 5/2![Delta logo]()
$969
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.
Sun 6/145:55 am
DUB
- STL
2 stops17h 28m
Delta
Sun 6/216:30 am
STL
- DUB
1 stop21h 30m
Delta
Deal found 4/30![Delta logo]()
$1,130
Last-minute flights from Ireland to St. LouisDiscover last-minute flight deals from Ireland to St. Louis. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to St. Louis. Data last updated May 5, 2026 and is based on user searches.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:00 am
DUB
- STL
1 stop13h 00m
KLM
Sat 5/304:00 pm
STL
- DUB
1 stop10h 45m
KLM
Deal found 5/2![KLM logo]()
$951
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:55 am
DUB
- STL
2 stops17h 21m
Delta
Sat 5/3012:59 pm
STL
- DUB
2 stops15h 01m
Delta
Deal found 5/2![Delta logo]()
$959
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:30 am
DUB
- STL
1 stop18h 49m
Finnair
Sun 5/245:00 pm
STL
- DUB
1 stop12h 50m
Finnair
Deal found 5/3![Finnair logo]()
$957
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:55 am
DUB
- STL
2 stops18h 14m
Delta
Sun 5/246:21 am
STL
- DUB
1 stop19h 34m
Delta
Deal found 5/3![Delta logo]()
$958
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:30 am
DUB
- STL
1 stop20h 24m
Finnair
Tue 6/25:00 pm
STL
- DUB
1 stop12h 50m
Finnair
Deal found 4/30![Finnair logo]()
$1,020
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.
Sun 5/319:35 pm
DUB
- STL
2 stops21h 50m
Multiple Airlines
Sun 6/71:05 pm
STL
- DUB
2 stops18h 40m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$897
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3110:00 am
DUB
- STL
1 stop17h 09m
Delta
Sun 6/71:39 pm
STL
- DUB
1 stop13h 06m
Delta
Deal found 5/3![Delta logo]()
$968
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:30 am
DUB
- STL
1 stop20h 46m
Multiple Airlines
Sun 6/219:40 pm
STL
- DUB
1 stop15h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,002
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.
Mon 6/158:55 am
DUB
- STL
2 stops17h 44m
Delta
Mon 6/228:49 am
STL
- DUB
2 stops19h 11m
Delta
Deal found 5/1![Delta logo]()
$956
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 May 5, 2026.
Search for one-way flight options from Ireland to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:50 pm
DUB
- STL
3 stops56h 31m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$462
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:40 am
DUB
- STL
2 stops16h 59m
WestJet
Deal found 5/2![WestJet logo]()
$466
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:30 pm
DUB
- STL
3 stops41h 17m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$472
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:40 am
DUB
- STL
2 stops16h 57m
WestJet
Deal found 5/4![WestJet logo]()
$554
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:40 am
DUB
- STL
2 stops17h 29m
WestJet
Deal found 5/4![WestJet logo]()
$558
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 May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $897 (Mytrip) |
One-way from | $462 (Kiwi.com) |
Popular in | August |
Cheapest in | September |
Average price | $1,113 |
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 May 5, 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
Mon 6/15
5:55 am-5:23 pm
2 stops17h 28m
Lambert-St Louis
Mon 6/22
3:57 pm-8:45 am
1 stop10h 48m
$956
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Thu 6/18
5:55 am-4:46 pm
2 stops16h 51m
Lambert-St Louis
Thu 6/25
3:57 pm-7:55 am
1 stop9h 58m
$958
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Tue 6/16
5:55 am-3:17 pm
2 stops15h 22m
Lambert-St Louis
Tue 6/23
7:12 pm-8:45 am
1 stop31h 33m
$959
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Tue 6/16
11:10 am-11:23 pm
2 stops18h 13m
Lambert-St Louis
Tue 6/23
9:21 am-9:15 am
2 stops17h 54m
$959
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Mon 6/1
5:55 am-5:16 pm
2 stops17h 21m
Lambert-St Louis
Mon 6/8
10:51 am-10:00 am
2 stops17h 09m
$959
Quickest round-trip
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Sun 5/31
10:00 am-5:16 pm
1 stop13h 16m
Lambert-St Louis
Sun 6/7
6:10 pm-10:00 am
1 stop9h 50m
$969
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Tue 5/26
9:30 am-11:54 pm
1 stop20h 24m
Lambert-St Louis
Tue 6/2
5:00 pm-11:50 am
1 stop12h 50m
$1,020
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Sun 6/14
5:55 am-5:23 pm
2 stops17h 28m
Lambert-St Louis
Sun 6/21
6:30 am-10:00 am
1 stop21h 30m
$1,130
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Sun 6/14
8:40 am-12:06 pm
3 stops33h 26m
Lambert-St Louis
Sun 6/21
2:15 pm-10:25 pm
3 stops26h 10m
$1,183
Cheapest one-way
DublinSt. Louis
DUB - STL
DUBSTL
Dublin
Thu 5/14
9:50 pm-12:21 am
3 stops56h 31m
$462
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Ireland to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Ireland with our price prediction graph.
DUB-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ireland to St. Louis
IE0-STL
DUB-STL
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Ireland to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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