Flights from St. Louis to Dublin with United Airlines

Our cheapest offers for flights from St. Louis to Dublin

Here you can compare cheap flights from St. Louis (STL) to Dublin (DUB) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Dublin. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
St. Louis
Dublin
Outbound
10/22/25
1 Stopover (EWR)
UA3518, UA0023
19h 20min
Return
10/29/25
1 Stopover (EWR)
UA0022, UA3468
19h 14min
United Airlines
$497
Best option
St. Louis
Dublin
Outbound
10/22/25
1 Stopover (EWR)
UA2301, UA0317
11h 46min
Return
10/29/25
1 Stopover (YYZ)
UA8604, UA6605
12h 29min
United Airlines ?
$590
St. Louis
Dublin
Outbound
10/22/25
1 Stopover (EWR)
UA2301, UA0317
11h 46min
Return
10/29/25
1 Stopover (YYZ)
AC0801, AC8969
12h 29min
United Airlines ?
$608
St. Louis
Dublin
Outbound
10/22/25
2 Stopovers (ORD, IAD)
UA2144, UA1379, UA0710
12h 45min
Return
10/29/25
1 Stopover (YYZ)
AC0801, AC8969
12h 29min
United Airlines ?
$694
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: St. Louis - Dublin

Roundtrip from 497,00 $
Distance 6301 km
Departure airport Airport St. Louis - Lambert International Airport (STL)
Arrival airport Airport Dublin (DUB)
Destination country Flights to Ireland
Alternative flights to Dublin
Flight destinations with a similar price