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Cheap flights from St. Louis to Dublin from €241

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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KLM Logo
12:49 - 07:45STL-DUB
12h 56m1 stop
KLM Logo
09:45 - 16:21DUB-STL
12h 36m1 stop
€377KLM
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Tue, 2 Dec - Wed, 10 Dec
Delta Logo
09:00 - 07:45STL-DUB
16h 45m1 stop
Delta Logo
10:45 - 20:47DUB-STL
16h 02m2 stops
€381Delta
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Tue, 2 Dec - Tue, 9 Dec
Multiple Airlines Logo
09:00 - 07:45STL-DUB
16h 45m1 stop
Multiple Airlines Logo
06:00 - 17:10DUB-STL
17h 10m2 stops
€393Multiple Airlines
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Tue, 2 Dec - Thu, 11 Dec
United Airlines Logo
15:14 - 08:10STL-DUB
10h 56m1 stop
United Airlines Logo
09:00 - 14:24DUB-STL
35h 24m2 stops
€396United Airlines
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Sun, 16 Nov - Sun, 23 Nov
Multiple Airlines Logo
18:43 - 07:10STL-DUB
30h 27m2 stops
Multiple Airlines Logo
05:10 - 13:55DUB-STL
14h 45m1 stop
€400Multiple Airlines
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Sat, 22 Nov - Wed, 26 Nov
United Airlines Logo
17:24 - 07:10STL-DUB
31h 46m2 stops
United Airlines Logo
09:00 - 12:15DUB-STL
33h 15m2 stops
€402United Airlines
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Mon, 1 Dec - Mon, 8 Dec
British Airways Logo
13:40 - 09:50STL-DUB
14h 10m2 stops
British Airways Logo
13:10 - 23:30DUB-STL
16h 20m2 stops
€407British Airways
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Sat, 31 Jan - Thu, 12 Feb
Air Canada Logo
07:41 - 07:10STL-DUB
17h 29m2 stops
Air Canada Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
€409Air Canada
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Sat, 21 Feb - Sat, 28 Feb
Air Canada Logo
08:20 - 06:10STL-DUB
39h 50m2 stops
Air Canada Logo
08:00 - 21:00DUB-STL
42h 00m2 stops
€424Air Canada
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Sat, 7 Mar - Wed, 18 Mar
British Airways Logo
12:06 - 15:00STL-DUB
20h 54m2 stops
British Airways Logo
20:40 - 16:30DUB-STL
25h 50m2 stops
€428British Airways
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Sat, 10 Jan - Sat, 17 Jan

Delta flights from St. Louis to Dublin

Our best Delta deals on St. Louis to Dublin flight tickets
Delta
9 Nov
STL13:35Lambert-St Louis
13h 45m
2 stops
DUB09:20Dublin
25 Nov
DUB10:45Dublin
11h 48m
1 stop
STL16:33Lambert-St Louis
€369
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Delta
2 Dec
STL09:00Lambert-St Louis
16h 45m
1 stop
DUB07:45Dublin
9 Dec
DUB10:45Dublin
16h 02m
2 stops
STL20:47Lambert-St Louis
€381
Find similar
Delta
9 Nov
STL13:35Lambert-St Louis
13h 45m
2 stops
DUB09:20Dublin
25 Nov
DUB05:55Dublin
16h 12m
2 stops
STL16:07Lambert-St Louis
€386
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United Airlines flights from St. Louis to Dublin

Our best United Airlines deals on St. Louis to Dublin flight tickets
United Airlines
16 Nov
STL15:14Lambert-St Louis
10h 56m
1 stop
DUB08:10Dublin
23 Nov
DUB09:00Dublin
35h 24m
2 stops
STL14:24Lambert-St Louis
€396
Find similar
United Airlines
1 Dec
STL17:24Lambert-St Louis
31h 46m
2 stops
DUB07:10Dublin
8 Dec
DUB09:00Dublin
33h 15m
2 stops
STL12:15Lambert-St Louis
€402
Find similar
United Airlines
7 Nov
STL11:05Lambert-St Louis
15h 05m
1 stop
DUB08:10Dublin
9 Nov
DUB09:00Dublin
12h 29m
1 stop
STL15:29Lambert-St Louis
€407
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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 6 November 2025.
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

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 2/12

12:49-07:45

1 stop12h 56m

Dublin

Wed 10/12

09:45-16:21

1 stop12h 36m

€377

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 2/12

09:00-07:45

1 stop16h 45m

Dublin

Tue 9/12

10:45-20:47

2 stops16h 02m

€381

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 2/12

09:00-07:45

1 stop16h 45m

Dublin

Thu 11/12

06:00-17:10

2 stops17h 10m

€393

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 16/11

15:14-08:10

1 stop10h 56m

Dublin

Sun 23/11

09:00-14:24

2 stops35h 24m

€396

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 22/11

18:43-07:10

2 stops30h 27m

Dublin

Wed 26/11

05:10-13:55

1 stop14h 45m

€400

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 1/12

17:24-07:10

2 stops31h 46m

Dublin

Mon 8/12

09:00-12:15

2 stops33h 15m

€402

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 31/1

13:40-09:50

2 stops14h 10m

Dublin

Thu 12/2

13:10-23:30

2 stops16h 20m

€407

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 21/2

07:41-07:10

2 stops17h 29m

Dublin

Sat 28/2

09:00-15:29

1 stop12h 29m

€409

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 7/3

08:20-06:10

2 stops39h 50m

Dublin

Wed 18/3

08:00-21:00

2 stops42h 00m

€424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 10/1

12:06-15:00

2 stops20h 54m

Dublin

Sat 17/1

20:40-16:30

2 stops25h 50m

€428

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 November, then book flights to Dublin from St. Louis during September instead. Flights to Dublin in September, while not as cheap as those in November, still average around €611.

How far in advance should I book a flight 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 €739 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 €541 on momondo.

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

As of November 2025, prices for St. Louis to Dublin flights are approximately 17% cheaper when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from St. Louis to Dublin. There are no popular flight routes from St. Louis to Dublin.
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  • 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 10h 07m.

  • 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
Wicklow
Swords
Cavan
Dundalk
Tullamore
Enniscorthy
Kildare
Bray
Mullingar
Naas
Arklow
Carlingford
Maynooth
Leixlip
Drogheda
Gorey
Malahide
Castleknock

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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