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Cheap flights from St. Louis to Dublin from €353

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 5/11. 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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Cheap return flights

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Multiple Airlines Logo
11:39 - 07:45STL-DUB
14h 06m1 stop
Multiple Airlines Logo
10:45 - 16:35DUB-STL
11h 50m1 stop
€372Multiple Airlines
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Mon, 1 Dec - Wed, 10 Dec
Multiple Airlines Logo
12:49 - 09:20STL-DUB
14h 31m2 stops
Multiple Airlines Logo
09:45 - 18:37DUB-STL
14h 52m1 stop
€377Multiple Airlines
Find Deal
Tue, 2 Dec - Wed, 10 Dec
Delta Logo
18:09 - 15:45STL-DUB
15h 36m2 stops
Delta Logo
10:45 - 20:47DUB-STL
16h 02m2 stops
€394Delta
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Mon, 1 Dec - Wed, 10 Dec
United Airlines Logo
08:25 - 10:20STL-DUB
20h 55m1 stop
United Airlines Logo
08:00 - 15:29DUB-STL
12h 29m1 stop
€402United Airlines
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Tue, 10 Mar - Wed, 18 Mar
Air Canada Logo
08:20 - 06:10STL-DUB
16h 50m2 stops
Air Canada Logo
08:00 - 15:29DUB-STL
12h 29m1 stop
€404Air Canada
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Tue, 10 Mar - Wed, 18 Mar
KLM Logo
13:55 - 07:45STL-DUB
11h 50m1 stop
KLM Logo
17:15 - 16:07DUB-STL
28h 52m2 stops
€406KLM
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Mon, 10 Nov - Mon, 17 Nov
KLM Logo
11:39 - 07:45STL-DUB
14h 06m1 stop
KLM Logo
09:45 - 17:57DUB-STL
14h 12m1 stop
€408KLM
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Mon, 10 Nov - Mon, 17 Nov
Delta Logo
06:40 - 08:45STL-DUB
20h 05m2 stops
Delta Logo
10:45 - 20:46DUB-STL
16h 01m2 stops
€420Delta
Find Deal
Mon, 10 Nov - Mon, 17 Nov
United Airlines Logo
11:45 - 08:10STL-DUB
14h 25m1 stop
United Airlines Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
€424United Airlines
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Mon, 16 Feb - Mon, 23 Feb
Air Canada Logo
11:20 - 07:10STL-DUB
13h 50m2 stops
Air Canada Logo
09:00 - 14:30DUB-STL
35h 30m2 stops
€439Air Canada
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Sat, 10 Jan - Sat, 17 Jan

British Airways flights from St. Louis to Dublin

Our best British Airways deals on St. Louis to Dublin flight tickets
British Airways
2 Jan
STL16:53Lambert-St Louis
15h 27m
2 stops
DUB14:20Dublin
16 Jan
DUB10:45Dublin
18h 14m
2 stops
STL22:59Lambert-St Louis
€429
Find similar
British Airways
13 Nov
STL14:17Lambert-St Louis
13h 33m
2 stops
DUB09:50Dublin
18 Nov
DUB08:50Dublin
18h 10m
2 stops
STL21:00Lambert-St Louis
€430
Find similar
British Airways
2 Jan
STL16:53Lambert-St Louis
15h 27m
2 stops
DUB14:20Dublin
16 Jan
DUB08:50Dublin
20h 09m
2 stops
STL22:59Lambert-St Louis
€431
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Delta flights from St. Louis to Dublin

Our best Delta deals on St. Louis to Dublin flight tickets
Delta
1 Dec
STL18:09Lambert-St Louis
15h 36m
2 stops
DUB15:45Dublin
10 Dec
DUB10:45Dublin
16h 02m
2 stops
STL20:47Lambert-St Louis
€394
Find similar
Delta
21 Oct
STL06:00Lambert-St Louis
20h 45m
1 stop
DUB08:45Dublin
28 Oct
DUB05:55Dublin
17h 07m
2 stops
STL18:02Lambert-St Louis
€418
Find similar
Delta
10 Nov
STL06:40Lambert-St Louis
20h 05m
2 stops
DUB08:45Dublin
17 Nov
DUB10:45Dublin
16h 01m
2 stops
STL20:46Lambert-St Louis
€420
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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 16 October 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

Mon 1/12

11:39-07:45

1 stop14h 06m

Dublin

Wed 10/12

10:45-16:35

1 stop11h 50m

€372

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 2/12

12:49-09:20

2 stops14h 31m

Dublin

Wed 10/12

09:45-18:37

1 stop14h 52m

€377

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 1/12

18:09-15:45

2 stops15h 36m

Dublin

Wed 10/12

10:45-20:47

2 stops16h 02m

€394

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/3

08:25-10:20

1 stop20h 55m

Dublin

Wed 18/3

08:00-15:29

1 stop12h 29m

€402

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/3

08:20-06:10

2 stops16h 50m

Dublin

Wed 18/3

08:00-15:29

1 stop12h 29m

€404

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 10/11

13:55-07:45

1 stop11h 50m

Dublin

Mon 17/11

17:15-16:07

2 stops28h 52m

€406

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 10/11

11:39-07:45

1 stop14h 06m

Dublin

Mon 17/11

09:45-17:57

1 stop14h 12m

€408

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 10/11

06:40-08:45

2 stops20h 05m

Dublin

Mon 17/11

10:45-20:46

2 stops16h 01m

€420

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 16/2

11:45-08:10

1 stop14h 25m

Dublin

Mon 23/2

09:00-15:29

1 stop12h 29m

€424

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 10/1

11:20-07:10

2 stops13h 50m

Dublin

Sat 17/1

09:00-14:30

2 stops35h 30m

€439

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 €605.

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 €737 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 €535 on momondo.

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

As of October 2025, prices for St. Louis to Dublin flights are approximately 51% 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 15m.

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