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Cheap flights from St. Louis to Dublin from €227

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 7/12. 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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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.
Delta Logo
13:35 - 09:20STL-DUB
13h 45m2 stops
Delta Logo
10:45 - 20:17DUB-STL
15h 32m1 stop
€367Delta
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Sun, 23 Nov - Tue, 9 Dec
Multiple Airlines Logo
17:17 - 07:45STL-DUB
32h 28m1 stop
Multiple Airlines Logo
10:45 - 16:35DUB-STL
11h 50m1 stop
€368Multiple Airlines
Find Deal
Sun, 23 Nov - Tue, 9 Dec
KLM Logo
09:00 - 07:45STL-DUB
16h 45m1 stop
KLM Logo
09:45 - 16:49DUB-STL
13h 04m1 stop
€375KLM
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Multiple Airlines Logo
12:49 - 09:20STL-DUB
14h 31m2 stops
Multiple Airlines Logo
10:45 - 20:41DUB-STL
15h 56m2 stops
€379Multiple Airlines
Find Deal
Tue, 9 Dec - Thu, 26 Feb
Air France Logo
14:07 - 07:45STL-DUB
11h 38m1 stop
Air France Logo
06:00 - 17:10DUB-STL
17h 10m2 stops
€391Air France
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Wed, 3 Dec - Tue, 9 Dec
United Airlines Logo
15:19 - 08:10STL-DUB
10h 51m1 stop
United Airlines Logo
09:00 - 21:58DUB-STL
42h 58m2 stops
€394United Airlines
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Fri, 5 Dec - Wed, 10 Dec
United Airlines Logo
15:19 - 09:55STL-DUB
12h 36m2 stops
United Airlines Logo
09:00 - 21:58DUB-STL
42h 58m2 stops
€398United Airlines
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Fri, 5 Dec - Wed, 10 Dec
KLM Logo
09:59 - 08:45STL-DUB
16h 46m2 stops
KLM Logo
13:25 - 23:39DUB-STL
16h 14m2 stops
€399KLM
Find Deal
Tue, 27 Jan - Sun, 1 Feb
Air Canada Logo
17:27 - 07:10STL-DUB
55h 43m2 stops
Air Canada Logo
09:00 - 19:19DUB-STL
40h 19m2 stops
€404Air Canada
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Sun, 7 Dec - Fri, 27 Feb
Air Canada Logo
18:43 - 07:10STL-DUB
30h 27m2 stops
Air Canada Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
€411Air Canada
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Mon, 1 Dec - Fri, 12 Dec

Delta flights from St. Louis to Dublin

Our best Delta deals on St. Louis to Dublin flight tickets
Delta
23 Nov
STL13:35Lambert-St Louis
13h 45m
2 stops
DUB09:20Dublin
9 Dec
DUB10:45Dublin
15h 32m
1 stop
STL20:17Lambert-St Louis
€367
Find similar
Delta
23 Nov
STL13:35Lambert-St Louis
13h 45m
2 stops
DUB09:20Dublin
9 Dec
DUB10:45Dublin
16h 02m
2 stops
STL20:47Lambert-St Louis
€368
Find similar
Delta
23 Nov
STL06:40Lambert-St Louis
20h 05m
2 stops
DUB08:45Dublin
9 Dec
DUB09:45Dublin
19h 44m
1 stop
STL23:29Lambert-St Louis
€379
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Air Canada flights from St. Louis to Dublin

Our best Air Canada deals on St. Louis to Dublin flight tickets
Air Canada
7 Dec
STL17:27Lambert-St Louis
55h 43m
2 stops
DUB07:10Dublin
27 Feb
DUB09:00Dublin
40h 19m
2 stops
STL19:19Lambert-St Louis
€404
Find similar
Air Canada
15 Nov
STL10:00Lambert-St Louis
15h 10m
2 stops
DUB07:10Dublin
22 Nov
DUB09:00Dublin
12h 29m
1 stop
STL15:29Lambert-St Louis
€407
Find similar
Air Canada
1 Dec
STL18:43Lambert-St Louis
30h 27m
2 stops
DUB07:10Dublin
12 Dec
DUB09:00Dublin
12h 29m
1 stop
STL15:29Lambert-St Louis
€411
Find similar

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 11 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

Sun 23/11

13:35-09:20

2 stops13h 45m

Dublin

Tue 9/12

10:45-20:17

1 stop15h 32m

€367

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 23/11

17:17-07:45

1 stop32h 28m

Dublin

Tue 9/12

10:45-16:35

1 stop11h 50m

€368

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 9/12

09:00-07:45

1 stop16h 45m

Dublin

Tue 16/12

09:45-16:49

1 stop13h 04m

€375

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 9/12

12:49-09:20

2 stops14h 31m

Dublin

Thu 26/2

10:45-20:41

2 stops15h 56m

€379

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/12

14:07-07:45

1 stop11h 38m

Dublin

Tue 9/12

06:00-17:10

2 stops17h 10m

€391

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Fri 5/12

15:19-08:10

1 stop10h 51m

Dublin

Wed 10/12

09:00-21:58

2 stops42h 58m

€394

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Fri 5/12

15:19-09:55

2 stops12h 36m

Dublin

Wed 10/12

09:00-21:58

2 stops42h 58m

€398

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 27/1

09:59-08:45

2 stops16h 46m

Dublin

Sun 1/2

13:25-23:39

2 stops16h 14m

€399

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 7/12

17:27-07:10

2 stops55h 43m

Dublin

Fri 27/2

09:00-19:19

2 stops40h 19m

€404

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 1/12

18:43-07:10

2 stops30h 27m

Dublin

Fri 12/12

09:00-15:29

1 stop12h 29m

€411

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 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 €607.

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 €732 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 €538 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 10m.

  • 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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