$222+ Cheap flights from St. Louis (STL) to Dublin (DUB)
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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DUB
Aug 4 — Aug 111
Round-trip
1 adult, Economy
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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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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 St. Louis to Dublin
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to DublinExplore the most affordable flight options available from St. Louis to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 5, 2026.
Explore the most affordable flight options available from St. Louis to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 5, 2026.
This BusinessClass deal was found by Cheapflights users on 7/4. 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.
Tue 8/118:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 8/191:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/4![Aer Lingus logo]()
$347
This KAYAK deal was found by Cheapflights users on 7/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:05 pm
STL
- DUB
1 stop31h 05m
Aer Lingus
Tue 11/241:00 pm
DUB
- STL
1 stop32h 26m
Aer Lingus
Deal found 7/1![Aer Lingus logo]()
$349
This Ovago deal was found by Cheapflights users on 7/4. 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.
Sun 11/154:05 pm
STL
- DUB
1 stop31h 05m
Aer Lingus
Tue 12/81:00 pm
DUB
- STL
1 stop32h 26m
Aer Lingus
Deal found 7/4![Aer Lingus logo]()
$350
This KAYAK deal was found by Cheapflights users on 7/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:05 pm
STL
- DUB
1 stop31h 05m
Aer Lingus
Tue 12/151:00 pm
DUB
- STL
1 stop32h 26m
Aer Lingus
Deal found 7/2![Aer Lingus logo]()
$362
This BusinessClass deal was found by Cheapflights users on 7/2. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:05 pm
STL
- DUB
1 stop31h 05m
Aer Lingus
Wed 12/91:00 pm
DUB
- STL
1 stop32h 26m
Aer Lingus
Deal found 7/2![Aer Lingus logo]()
$365
This KAYAK deal was found by Cheapflights users on 7/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Tue 9/151:20 pm
DUB
- STL
1 stop13h 00m
Aer Lingus
Deal found 7/2![Aer Lingus logo]()
$367
This Ovago deal was found by Cheapflights users on 7/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Tue 8/251:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/3![Aer Lingus logo]()
$368
This KAYAK deal was found by Cheapflights users on 6/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 9/91:20 pm
DUB
- STL
1 stop13h 00m
Aer Lingus
Deal found 6/30![Aer Lingus logo]()
$374
This BusinessClass deal was found by Cheapflights users on 6/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
- STL
1 stop30h 44m
Aer Lingus
Deal found 6/30![Aer Lingus logo]()
$382
Best flights from St. Louis to DublinDiscover carefully curated flight deals from St. Louis to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 5, 2026.
Discover carefully curated flight deals from St. Louis to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 5, 2026.
This Delta deal was found by Cheapflights users on 7/3. 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.
Tue 11/174:13 pm
STL
- DUB
1 stop10h 32m
Delta
Tue 11/245:45 am
DUB
- STL
2 stops18h 16m
Delta
Deal found 7/3![Delta logo]()
$702
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/282:00 pm
STL
- DUB
1 stop14h 55m
United Airlines
Sun 11/19:00 am
DUB
- STL
1 stop12h 26m
United Airlines
Deal found 7/2![United Airlines logo]()
$742
This British Airways deal was found by Cheapflights users on 7/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:27 pm
STL
- DUB
2 stops15h 33m
British Airways
Tue 11/2410:55 am
DUB
- STL
2 stops16h 13m
British Airways
Deal found 7/2![British Airways logo]()
$755
This Delta deal was found by Cheapflights users on 6/30. 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.
Mon 11/91:30 pm
STL
- DUB
1 stop12h 15m
Delta
Wed 11/185:45 am
DUB
- STL
2 stops18h 16m
Delta
Deal found 6/30![Delta logo]()
$702
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Sat 10/34:50 pm
STL
- DUB
1 stop32h 40m
United Airlines
Tue 10/209:50 am
DUB
- STL
1 stop16h 10m
United Airlines
Deal found 7/4![United Airlines logo]()
$747
This Delta deal was found by Cheapflights users on 7/4. 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.
Mon 10/269:47 am
STL
- DUB
1 stop17h 08m
Delta
Wed 11/45:45 am
DUB
- STL
2 stops23h 41m
Delta
Deal found 7/4![Delta logo]()
$702
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/91:13 pm
STL
- DUB
2 stops12h 32m
United Airlines
Tue 8/259:50 am
DUB
- STL
2 stops15h 21m
United Airlines
Deal found 7/1![United Airlines logo]()
$753
This Delta deal was found by Cheapflights users on 7/1. 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.
Wed 10/143:35 pm
STL
- DUB
1 stop10h 20m
Delta
Thu 10/2210:00 am
DUB
- STL
1 stop12h 38m
Delta
Deal found 7/1![Delta logo]()
$750
This Delta deal was found by Cheapflights users on 7/1. 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 10/105:29 pm
STL
- DUB
1 stop32h 26m
Delta
Mon 10/1910:00 am
DUB
- STL
1 stop12h 38m
Delta
Deal found 7/1![Delta logo]()
$810
This Delta deal was found by Cheapflights users on 7/2. 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.
Fri 8/149:15 am
STL
- DUB
2 stops18h 45m
Delta
Fri 8/215:55 am
DUB
- STL
2 stops20h 47m
Delta
Deal found 7/2![Delta logo]()
$818
Last-minute flights from St. Louis to DublinDiscover last-minute flight deals from St. Louis to Dublin. Data last updated July 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Dublin. Data last updated July 5, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 7/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Tue 8/251:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/3![Aer Lingus logo]()
$368
This KAYAK deal was found by Cheapflights users on 7/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Thu 8/201:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/1![Aer Lingus logo]()
$367
This BusinessClass deal was found by Cheapflights users on 7/4. 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.
Tue 8/118:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Wed 8/191:20 pm
DUB
- STL
1 stop13h 04m
Aer Lingus
Deal found 7/4![Aer Lingus logo]()
$347
This BusinessClass deal was found by Cheapflights users on 6/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Fri 8/211:20 pm
DUB
- STL
1 stop30h 44m
Aer Lingus
Deal found 6/30![Aer Lingus logo]()
$382
This KAYAK deal was found by Cheapflights users on 7/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Sun 8/301:20 pm
DUB
- STL
1 stop30h 42m
Aer Lingus
Deal found 7/1![Aer Lingus logo]()
$454
One-way flights from St. Louis to DublinSearch for one-way flight options from St. Louis to Dublin. Find affordable one-way fares based on user searches. Data last updated July 5, 2026.
Search for one-way flight options from St. Louis to Dublin. Find affordable one-way fares based on user searches. Data last updated July 5, 2026.
This KAYAK deal was found by Cheapflights users on 7/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/4![Aer Lingus logo]()
$222
This KAYAK deal was found by Cheapflights users on 7/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 7/1![Aer Lingus logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/316:17 pm
STL
- DUB
3 stops34h 48m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$268
This Ovago deal was found by Cheapflights users on 6/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 6/30![Aer Lingus logo]()
$273
This KAYAK deal was found by Cheapflights users on 6/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:55 am
STL
- DUB
1 stop14h 15m
Aer Lingus
Deal found 6/30![Aer Lingus logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Tue 9/16:45 pm
STL
- DUB
3 stops58h 20m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Mon 10/198:34 pm
STL
- DUB
2 stops38h 26m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 10/1510:35 am
STL
- DUB
3 stops54h 20m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Fri 8/144:57 pm
STL
- DUB
3 stops59h 08m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$328
Find flight deals from St. Louis to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Dublin (DUB). 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 July 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $347 (BusinessClass) |
One-way from | $222 (KAYAK) |
Popular in | December |
Cheapest in | January |
Average price | $917 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Dublin 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 July 5, 2026.
Use the filters below to find and compare flights from St. Louis to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Tue 11/17
4:13 pm-8:45 am
1 stop10h 32m
Dublin
Tue 11/24
5:45 am-6:01 pm
2 stops18h 16m
$702
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Mon 11/9
1:30 pm-7:45 am
1 stop12h 15m
Dublin
Wed 11/18
5:45 am-6:01 pm
2 stops18h 16m
$702
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Mon 10/26
9:47 am-7:55 am
1 stop17h 08m
Dublin
Wed 11/4
5:45 am-11:26 pm
2 stops23h 41m
$702
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Wed 10/28
2:00 pm-9:55 am
1 stop14h 55m
Dublin
Sun 11/1
9:00 am-3:26 pm
1 stop12h 26m
$742
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sat 10/3
4:50 pm-7:30 am
1 stop32h 40m
Dublin
Tue 10/20
9:50 am-8:00 pm
1 stop16h 10m
$747
Quickest round-trip
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Wed 10/14
3:35 pm-7:55 am
1 stop10h 20m
Dublin
Thu 10/22
10:00 am-4:38 pm
1 stop12h 38m
$750
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sun 8/9
1:13 pm-7:45 am
2 stops12h 32m
Dublin
Tue 8/25
9:50 am-7:11 pm
2 stops15h 21m
$753
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sat 11/14
5:27 pm-3:00 pm
2 stops15h 33m
Dublin
Tue 11/24
10:55 am-9:08 pm
2 stops16h 13m
$755
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Sat 10/10
5:29 pm-7:55 am
1 stop32h 26m
Dublin
Mon 10/19
10:00 am-4:38 pm
1 stop12h 38m
$810
St. LouisDublin
STL - DUB
STLDUB
Lambert-St Louis
Fri 8/14
9:15 am-10:00 am
2 stops18h 45m
Dublin
Fri 8/21
5:55 am-8:42 pm
2 stops20h 47m
$818
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Dublin
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 St. Louis to Dublin in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Dublin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Dublin 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 St. Louis-Dublin 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 St. Louis to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from St. Louis with our price prediction graph.
STL-DUB
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 Dublin
How far ahead should I book a flight from St. Louis to Dublin?
To ensure you get the cheapest price possible for a flight from St. Louis to Dublin, you should look to book at least 85 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 Dublin?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Dublin (average of $498). Flying from St. Louis to Dublin in December is currently the most expensive (average of $1,279). 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.
How much does it cost to fly round-trip from St. Louis to Dublin?
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated July 5, 2026.
See what other customers who have flown with Delta,United Airlines, andAer Lingus from St. Louis to Dublin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Dublin. 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 Dublin?
Book flights to Dublin if you plan to visit one of these locationsCastleknock
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Other flights to Dublin
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 5, 2026.
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Find flights from St. Louis to Dublin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Dublin flights
Browse other St. Louis and Dublin flight options. Last updated on July 5, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on July 5, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 9 airlines flying from St. Louis to Dublin
Discover the top 9 airlines that operate flights from St. Louis to Dublin. 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 July 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$325 | Average$420 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$412 | Average$786 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$418 | Average$556 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$428 | Average$727 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$430 | Average$637 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$462 | Average$727 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$482 | Average$601 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$482 | Average$802 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$483 | Average$756 | FlexibilityNo cancel fee | On-timeN/A |