$604+ Cheap flights from Dublin (DUB) to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — STL
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Dublin 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 Dublin to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dublin to St. LouisExplore the most affordable flight options available from Dublin to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Dublin to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 pm -
2 stops32h 37m
Mon 11/162:31 pm -
2 stops39h 14m
Deal found 9/13![Scandinavian Airlines logo]()
$867
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:30 am -
2 stops18h 35m
Sun 11/810:15 am -
2 stops18h 00m
Deal found 9/16![Multiple Airlines logo]()
$983
This lol.travel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:55 pm -
1 stop13h 24m
Sat 11/2112:56 pm -
1 stop12h 14m
Deal found 9/15![Finnair logo]()
$992
This TravelUp deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:55 pm -
1 stop15h 04m
Sat 11/215:29 pm -
2 stops18h 16m
Deal found 9/15![Multiple Airlines logo]()
$994
This Iberia deal was found by Cheapflights users on 9/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:30 am -
1 stop14h 56m
Sun 11/81:15 pm -
1 stop13h 25m
Deal found 9/16![Iberia logo]()
$1,000
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:30 am -
2 stops18h 28m
Sat 11/2112:57 pm -
2 stops13h 43m
Deal found 9/15![American Airlines logo]()
$1,001
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:55 pm -
1 stop13h 27m
Mon 11/161:15 pm -
1 stop13h 25m
Deal found 9/13![American Airlines logo]()
$1,005
This Iberia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:40 pm -
1 stop15h 19m
Tue 10/2012:47 pm -
1 stop14h 58m
Deal found 9/15![Iberia logo]()
$1,010
This Iberia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:40 pm -
1 stop13h 08m
Wed 10/2112:47 pm -
1 stop14h 58m
Deal found 9/14![Iberia logo]()
$1,012
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:30 am -
2 stops14h 09m
Thu 1/711:25 am -
2 stops15h 05m
Deal found 9/15![American Airlines logo]()
$1,016
This Finnair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:40 am -
2 stops17h 17m
Wed 10/219:35 pm -
1 stop14h 25m
Deal found 9/14![Multiple Airlines logo]()
$1,028
Best flights from Dublin to St. LouisDiscover carefully curated flight deals from Dublin to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Dublin to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 pm -
2 stops32h 37m
Mon 11/162:31 pm -
2 stops39h 14m
Deal found 9/13![Scandinavian Airlines logo]()
$867
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:30 am -
2 stops18h 35m
Sun 11/810:15 am -
2 stops18h 00m
Deal found 9/16![Multiple Airlines logo]()
$983
This British Airways deal was found by Cheapflights users on 9/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/141:05 pm -
2 stops15h 29m
Mon 1/185:37 pm -
2 stops17h 28m
Deal found 9/16![British Airways logo]()
$990
This lol.travel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:55 pm -
1 stop13h 24m
Sat 11/2112:56 pm -
1 stop12h 14m
Deal found 9/15![Finnair logo]()
$992
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:30 am -
2 stops18h 28m
Sat 11/2112:57 pm -
2 stops13h 43m
Deal found 9/15![American Airlines logo]()
$1,001
This Iberia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:40 pm -
1 stop13h 08m
Wed 10/2112:47 pm -
1 stop14h 58m
Deal found 9/14![Iberia logo]()
$1,012
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:55 pm -
1 stop15h 44m
Mon 11/1610:21 am -
1 stop14h 49m
Deal found 9/12![American Airlines logo]()
$1,005
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/811:30 am -
2 stops16h 50m
Sat 2/276:15 am -
2 stops22h 00m
Deal found 9/16![Multiple Airlines logo]()
$1,016
This Expedia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:40 pm -
1 stop13h 08m
Tue 10/2011:31 am -
2 stops39h 34m
Deal found 9/15![Iberia logo]()
$1,033
Last-minute flights from Dublin to St. LouisDiscover last-minute flight deals from Dublin to St. Louis. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Dublin to St. Louis. Data last updated September 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:55 am -
2 stops17h 40m
Tue 9/225:59 pm -
2 stops15h 26m
Deal found 9/15![Delta logo]()
$1,289
This lol.travel deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am -
1 stop13h 25m
Fri 10/212:20 pm -
1 stop13h 10m
Deal found 9/15![Multiple Airlines logo]()
$1,238
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:55 am -
2 stops15h 17m
Fri 10/210:05 am -
2 stops17h 10m
Deal found 9/15![Delta logo]()
$1,290
This Iberia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:40 pm -
1 stop15h 19m
Tue 10/2012:47 pm -
1 stop14h 58m
Deal found 9/15![Iberia logo]()
$1,010
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:55 am -
2 stops17h 56m
Tue 10/206:05 pm -
2 stops15h 20m
Deal found 9/15![Delta logo]()
$1,131
This Iberia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:40 pm -
1 stop13h 08m
Wed 10/2112:47 pm -
1 stop14h 58m
Deal found 9/14![Iberia logo]()
$1,012
This Finnair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:40 am -
2 stops17h 17m
Wed 10/219:35 pm -
1 stop14h 25m
Deal found 9/14![Multiple Airlines logo]()
$1,028
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:55 am -
2 stops20h 26m
Wed 10/2110:14 am -
2 stops17h 46m
Deal found 9/14![Delta logo]()
$1,138
One-way flights from Dublin to St. LouisSearch for one-way flight options from Dublin to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Dublin to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/232:00 pm -
2 stops29h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$604
This Thrive Travel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:35 am -
1 stop18h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Aer Lingus logo]()
$675
This KAYAK deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/234:45 pm -
1 stop30h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Aer Lingus logo]()
$751
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:55 pm -
3 stops48h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$771
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/239:00 am -
2 stops19h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![British Airways logo]()
$820
This Thrive Travel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:30 am -
2 stops14h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![British Airways logo]()
$840
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2312:05 pm -
3 stops17h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$1,707
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:30 am -
1 stop13h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$2,780
This KAYAK deal was found by Cheapflights users on 9/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:45 pm -
2 stops25h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$2,784
Find flight deals from Dublin to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $867 (Scandinavian Airlines) |
One-way from | $604 (Kiwi.com) |
Popular in | July |
Cheapest in | April |
Average price | $1,159 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dublin 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Dublin 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
Wed 12/23
2:00 pm-1:21 pm
2 stops29h 21m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$604
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Thu 10/1
11:35 am-12:27 am
1 stop18h 52m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$675
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Wed 12/23
4:45 pm-5:05 pm
1 stop30h 20m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$751
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Thu 10/1
4:55 pm-11:32 am
3 stops48h 37m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$771
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Wed 12/23
9:00 am-10:22 pm
2 stops19h 22m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$820
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Thu 10/1
9:30 am-5:43 pm
2 stops14h 13m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$840
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Thu 11/12
7:05 pm-9:42 pm
2 stops32h 37m
Lambert-St Louis
Mon 11/16
2:31 pm-11:45 am
2 stops39h 14m
$867
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Sun 11/1
11:30 am-12:05 am
2 stops18h 35m
Lambert-St Louis
Sun 11/8
10:15 am-10:15 am
2 stops18h 00m
$983
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Thu 1/14
1:05 pm-10:34 pm
2 stops15h 29m
Lambert-St Louis
Mon 1/18
5:37 pm-5:05 pm
2 stops17h 28m
$990
DublinSt. Louis
DUB Dublin - STL Lambert-St Louis
DUBSTL
Dublin
Sun 11/8
12:55 pm-8:19 pm
1 stop13h 24m
Lambert-St Louis
Sat 11/21
12:56 pm-7:10 am
1 stop12h 14m
$992
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Dublin to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to St. Louis in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Dublin-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Dublin-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dublin to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Dublin 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 Dublin to St. Louis
Related info for your journey
Find useful and relevant information for your journey from Dublin 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 locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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