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Cheap flights from St. Louis to Dublin from €194

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Dublin departing on 23/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from St. Louis to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
16:05 - 05:10
STL
-
DUB
31h 05m
1 stop
Aer Lingus Logo
13:00 - 15:26
DUB
-
STL
32h 26m
1 stop
€299Aer Lingus
Tue, 17 Nov - Tue, 24 Nov
Aer Lingus Logo
08:55 - 05:10
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
13:20 - 14:00
DUB
-
STL
30h 40m
1 stop
€304Aer Lingus
Tue, 8 Sep - Tue, 15 Sep
Aer Lingus Logo
08:55 - 05:10
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
13:20 - 14:02
DUB
-
STL
30h 42m
1 stop
€310Aer Lingus
Tue, 11 Aug - Wed, 19 Aug
Aer Lingus Logo
16:05 - 05:10
STL
-
DUB
31h 05m
1 stop
Aer Lingus Logo
13:00 - 15:26
DUB
-
STL
32h 26m
1 stop
€317Aer Lingus
Tue, 8 Dec - Tue, 15 Dec
Aer Lingus Logo
16:05 - 05:10
STL
-
DUB
31h 05m
1 stop
Aer Lingus Logo
13:00 - 15:26
DUB
-
STL
32h 26m
1 stop
€318Aer Lingus
Mon, 9 Nov - Wed, 18 Nov
Aer Lingus Logo
16:05 - 05:10
STL
-
DUB
31h 05m
1 stop
Aer Lingus Logo
13:00 - 15:26
DUB
-
STL
32h 26m
1 stop
€319Aer Lingus
Mon, 30 Nov - Wed, 9 Dec
Aer Lingus Logo
08:55 - 05:10
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
13:20 - 20:20
DUB
-
STL
13h 00m
1 stop
€321Aer Lingus
Tue, 8 Sep - Tue, 15 Sep
Aer Lingus Logo
08:55 - 05:10
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
13:20 - 20:24
DUB
-
STL
13h 04m
1 stop
€322Aer Lingus
Sun, 9 Aug - Tue, 25 Aug
Aer Lingus Logo
08:55 - 05:10
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
13:20 - 14:02
DUB
-
STL
30h 42m
1 stop
€327Aer Lingus
Tue, 11 Aug - Wed, 19 Aug
Aer Lingus Logo
08:55 - 05:10
STL
-
DUB
14h 15m
1 stop
Aer Lingus Logo
13:20 - 14:02
DUB
-
STL
30h 42m
1 stop
€329Aer Lingus
Tue, 11 Aug - Wed, 19 Aug

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British Airways flights from St. Louis to Dublin

Our best British Airways deals on St. Louis to Dublin flight tickets
British Airways
26 Oct
STL19:10Lambert-St Louis
15h 15m
2 stops
DUB15:25Dublin
4 Nov
DUB08:50Dublin
18h 18m
2 stops
STL21:08Lambert-St Louis
€617
British Airways
28 Oct
STL11:31Lambert-St Louis
19h 44m
2 stops
DUB12:15Dublin
2 Nov
DUB20:40Dublin
30h 28m
2 stops
STL21:08Lambert-St Louis
€623

Aer Lingus flights from St. Louis to Dublin

Our best Aer Lingus deals on St. Louis to Dublin flight tickets
Aer Lingus
17 Nov
STL16:05Lambert-St Louis
31h 05m
1 stop
DUB05:10Dublin
24 Nov
DUB13:00Dublin
32h 26m
1 stop
STL15:26Lambert-St Louis
€299
Aer Lingus
8 Sept
STL08:55Lambert-St Louis
14h 15m
1 stop
DUB05:10Dublin
15 Sept
DUB13:20Dublin
30h 40m
1 stop
STL14:00Lambert-St Louis
€304
Aer Lingus
11 Aug
STL08:55Lambert-St Louis
14h 15m
1 stop
DUB05:10Dublin
19 Aug
DUB13:20Dublin
30h 42m
1 stop
STL14:02Lambert-St Louis
€310

momondo Fare Finder

 
Customise 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, momondo users made 13,528 searches. Data last updated 7 July 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

Price

Cheapest return flight

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 17/11

16:05-05:10

1 stop31h 05m

Dublin

Tue 24/11

13:00-15:26

1 stop32h 26m

€299

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/9

08:55-05:10

1 stop14h 15m

Dublin

Tue 15/9

13:20-14:00

1 stop30h 40m

€304

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/8

08:55-05:10

1 stop14h 15m

Dublin

Wed 19/8

13:20-14:02

1 stop30h 42m

€310

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/12

16:05-05:10

1 stop31h 05m

Dublin

Tue 15/12

13:00-15:26

1 stop32h 26m

€317

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 9/11

16:05-05:10

1 stop31h 05m

Dublin

Wed 18/11

13:00-15:26

1 stop32h 26m

€318

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 30/11

16:05-05:10

1 stop31h 05m

Dublin

Wed 9/12

13:00-15:26

1 stop32h 26m

€319
Fastest return journey

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/9

08:55-05:10

1 stop14h 15m

Dublin

Tue 15/9

13:20-20:20

1 stop13h 00m

€321

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 9/8

08:55-05:10

1 stop14h 15m

Dublin

Tue 25/8

13:20-20:24

1 stop13h 04m

€322

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/8

08:55-05:10

1 stop14h 15m

Dublin

Wed 19/8

13:20-14:02

1 stop30h 42m

€327

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/8

08:55-05:10

1 stop14h 15m

Dublin

Wed 19/8

13:20-14:02

1 stop30h 42m

€329

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from St. Louis to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Dublin?

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from St. Louis during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €475.

How far in advance should I book a flight from St. Louis to Dublin?

You are more likely to see cheaper flights to Dublin from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €668 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from St. Louis for as low as €508 on momondo.

How have St. Louis to Dublin flight prices changed over time?

When to book flights from St. Louis to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap St. Louis to Dublin (STL to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Dublin

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from St. Louis to Dublin takes 13h 35m
There are no direct flights from St. Louis to Dublin. There are no popular flight routes from St. Louis to Dublin.
Search flight deals

Frequently asked questions about flying from St. Louis to Dublin

  • How far is Lambert-St Louis to Dublin by plane?

    A flight from Lambert-St Louis to Dublin will travel around 6292.4 km. By plane, this route typically takes 13h 35m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Dublin Airport?

    Prices for flights from Lambert-St Louis Airport to Dublin Airport were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Cavan
Wicklow
Dundalk
Naas
Swords
Bray
Gorey
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Enniscorthy
Malahide
Carlingford
Drogheda
Portmarnock

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Dublin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Dublin for you.

Can I find flights from St. Louis to Dublin with flexible booking policies on momondo?

All flight searches from St. Louis to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Dublin?

momondo helps you find the best flight between St. Louis and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Dublin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Dublin from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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