$343+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Sep 7 — Sep 141
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 August 8, 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 August 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 8/277:45 am -
2 stops37h 43m
Wed 9/93:52 pm -
1 stop10h 03m
Deal found 8/3![Multiple Airlines logo]()
$869
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/187:55 pm -
2 stops50h 39m
Fri 9/253:52 pm -
1 stop10h 03m
Deal found 8/3![Multiple Airlines logo]()
$889
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Fri 9/2510:00 pm -
2 stops48h 34m
Mon 11/211:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$917
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/267:10 am -
2 stops39h 24m
Wed 11/411:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$929
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/277:05 am -
2 stops39h 29m
Mon 11/211:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$933
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Wed 9/236:30 am -
2 stops41h 24m
Tue 11/31:20 pm -
1 stop14h 10m
Deal found 8/4![Multiple Airlines logo]()
$946
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/267:10 am -
2 stops39h 24m
Thu 11/511:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$978
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/277:05 am -
2 stops39h 29m
Thu 11/511:32 am -
1 stop11h 43m
Deal found 8/4![Multiple 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 August 8, 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 August 8, 2026.
This Mytrip deal was found by Cheapflights users on 8/6. 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 8/279:40 am -
2 stops34h 22m
Wed 9/92:40 pm -
1 stop11h 35m
Deal found 8/6![Multiple Airlines logo]()
$944
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:30 am -
1 stop15h 27m
Wed 9/1612:46 pm -
1 stop14h 59m
Deal found 8/4![Iberia logo]()
$1,054
This lol.travel deal was found by Cheapflights users on 8/3. 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.
Thu 8/279:30 am -
1 stop20h 44m
Wed 9/912:46 pm -
1 stop14h 59m
Deal found 8/3![Finnair logo]()
$1,057
This United Airlines deal was found by Cheapflights users on 8/6. 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 1/219:00 am -
1 stop12h 26m
Sun 1/2411:45 am -
1 stop13h 45m
Deal found 8/6![United Airlines logo]()
$1,072
This Iberia deal was found by Cheapflights users on 8/7. 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.
Fri 9/189:30 am -
1 stop18h 13m
Mon 9/2810:14 am -
1 stop17h 31m
Deal found 8/7![Iberia logo]()
$1,074
Last-minute flights from Ireland to St. LouisDiscover last-minute flight deals from Ireland to St. Louis. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ireland to St. Louis. Data last updated August 8, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 8/277:45 am -
2 stops37h 43m
Wed 9/93:52 pm -
1 stop10h 03m
Deal found 8/3![Multiple Airlines logo]()
$869
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 9/187:55 pm -
2 stops50h 39m
Fri 9/253:52 pm -
1 stop10h 03m
Deal found 8/3![Multiple Airlines logo]()
$889
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Wed 9/236:30 am -
2 stops41h 24m
Tue 11/31:20 pm -
1 stop14h 10m
Deal found 8/4![Multiple Airlines logo]()
$946
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Fri 9/2510:00 pm -
2 stops48h 34m
Mon 11/211:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$917
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/267:10 am -
2 stops39h 24m
Wed 11/411:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$929
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/267:10 am -
2 stops39h 24m
Thu 11/511:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$978
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/277:05 am -
2 stops39h 29m
Mon 11/211:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$933
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/277:05 am -
2 stops39h 29m
Thu 11/511:32 am -
1 stop11h 43m
Deal found 8/4![Multiple Airlines logo]()
$982
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 August 8, 2026.
Search for one-way flight options from Ireland to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Wed 9/26:50 am -
3 stops40h 32m
Deal found 8/3![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:30 pm -
3 stops46h 10m
Deal found 8/6![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/16:35 pm -
3 stops52h 47m
Deal found 8/7![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/277:55 am -
3 stops39h 27m
Deal found 8/6![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 10/315:05 pm -
2 stops56h 34m
Deal found 8/6![Multiple Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/268:00 pm -
3 stops51h 22m
Deal found 8/6![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/2910:00 pm -
2 stops49h 54m
Deal found 8/7![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 8/2510:00 pm -
3 stops49h 22m
Deal found 8/6![Multiple Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Tue 10/136:35 pm -
3 stops45h 05m
Deal found 8/5![Multiple Airlines logo]()
$492
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 August 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $869 (Kiwi.com) |
One-way from | $343 (Kiwi.com) |
Popular in | July |
Cheapest in | April |
Average price | $1,255 |
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 August 8, 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 Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Thu 8/27
9:40 am-2:02 pm
2 stops34h 22m
Lambert-St Louis
Wed 9/9
2:40 pm-8:15 am
1 stop11h 35m
$944
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Sat 9/5
9:30 am-6:57 pm
1 stop15h 27m
Lambert-St Louis
Wed 9/16
12:46 pm-9:45 am
1 stop14h 59m
$1,054
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Thu 8/27
9:30 am-12:14 am
1 stop20h 44m
Lambert-St Louis
Wed 9/9
12:46 pm-9:45 am
1 stop14h 59m
$1,057
Quickest round-trip
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Thu 1/21
9:00 am-3:26 pm
1 stop12h 26m
Lambert-St Louis
Sun 1/24
11:45 am-7:30 am
1 stop13h 45m
$1,072
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Fri 9/18
9:30 am-9:43 pm
1 stop18h 13m
Lambert-St Louis
Mon 9/28
10:14 am-9:45 am
1 stop17h 31m
$1,074
Cheapest one-way
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Wed 9/2
6:50 am-4:11 pm
2 stops39h 21m
$409
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Tue 9/1
6:35 pm-5:22 pm
3 stops52h 47m
$441
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Wed 8/26
8:00 pm-5:22 pm
3 stops51h 22m
$451
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Tue 9/29
10:00 pm-5:54 pm
2 stops49h 54m
$464
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Tue 10/13
6:35 pm-9:40 am
3 stops45h 05m
$492
Showing 1-10 of 14 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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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