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Cheap flights from St. Louis to Dublin from €261

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 10/12. 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

Air Canada Logo
17:24 - 06:10STL-DUB
31h 46m2 stops
Air Canada Logo
09:00 - 21:40DUB-STL
18h 40m2 stops
€401Air Canada
Find Deal
Mon, 27 Oct - Wed, 12 Nov
Air Canada Logo
18:43 - 06:10STL-DUB
30h 27m2 stops
Air Canada Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
€404Air Canada
Find Deal
Mon, 27 Oct - Wed, 12 Nov
United Airlines Logo
08:20 - 07:30STL-DUB
17h 10m2 stops
United Airlines Logo
09:00 - 20:06DUB-STL
41h 06m2 stops
€409United Airlines
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Wed, 19 Nov - Wed, 26 Nov
United Airlines Logo
15:14 - 08:10STL-DUB
11h 56m1 stop
United Airlines Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
€411United Airlines
Find Deal
Mon, 27 Oct - Wed, 12 Nov
Logo
07:00 - 09:55STL-DUB
20h 55m1 stop
Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
€416
Find Deal
Wed, 19 Nov - Wed, 26 Nov
Logo
08:20 - 09:55STL-DUB
20h 35m2 stops
Logo
05:10 - 13:55DUB-STL
14h 45m1 stop
€419
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Delta Logo
13:35 - 09:20STL-DUB
14h 45m2 stops
Delta Logo
11:30 - 22:04DUB-STL
16h 34m2 stops
€422Delta
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Tue, 28 Oct - Wed, 5 Nov
Delta Logo
06:45 - 08:45STL-DUB
21h 00m2 stops
Delta Logo
10:45 - 20:39DUB-STL
14h 54m2 stops
€433Delta
Find Deal
Mon, 9 Mar - Wed, 25 Mar
Lufthansa Logo
16:50 - 11:00STL-DUB
13h 10m1 stop
Lufthansa Logo
05:10 - 14:55DUB-STL
14h 45m1 stop
€439Lufthansa
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Sun, 8 Mar - Wed, 18 Mar
Lufthansa Logo
16:50 - 11:00STL-DUB
13h 10m1 stop
Lufthansa Logo
05:10 - 13:55DUB-STL
14h 45m1 stop
€444Lufthansa
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Wed, 29 Oct - Fri, 7 Nov

Delta flights from St. Louis to Dublin

Our best Delta deals on St. Louis to Dublin flight tickets
Delta
28 Oct
STL13:35Lambert-St Louis
14h 45m
2 stops
DUB09:20Dublin
5 Nov
DUB11:30Dublin
16h 34m
2 stops
STL22:04Lambert-St Louis
€422
Find similar
Delta
9 Mar
STL06:45Lambert-St Louis
21h 00m
2 stops
DUB08:45Dublin
25 Mar
DUB10:45Dublin
14h 54m
2 stops
STL20:39Lambert-St Louis
€433
Find similar
Delta
9 Mar
STL10:00Lambert-St Louis
16h 45m
1 stop
DUB07:45Dublin
27 Mar
DUB09:45Dublin
18h 25m
1 stop
STL23:10Lambert-St Louis
€442
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KLM flights from St. Louis to Dublin

Our best KLM deals on St. Louis to Dublin flight tickets
KLM
29 Oct
STL15:59Lambert-St Louis
10h 46m
1 stop
DUB07:45Dublin
6 Nov
DUB09:45Dublin
11h 46m
1 stop
STL15:31Lambert-St Louis
€456
Find similar
KLM
30 Oct
STL12:14Lambert-St Louis
14h 31m
1 stop
DUB07:45Dublin
6 Nov
DUB09:45Dublin
11h 46m
1 stop
STL15:31Lambert-St Louis
€465
Find similar
KLM
28 Oct
STL13:30Lambert-St Louis
14h 15m
2 stops
DUB08:45Dublin
6 Nov
DUB05:55Dublin
15h 36m
2 stops
STL15:31Lambert-St Louis
€485
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 10 September 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 27/10

17:24-06:10

2 stops31h 46m

Dublin

Wed 12/11

09:00-21:40

2 stops18h 40m

€401

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 27/10

18:43-06:10

2 stops30h 27m

Dublin

Wed 12/11

09:00-15:29

1 stop12h 29m

€404

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 19/11

08:20-07:30

2 stops17h 10m

Dublin

Wed 26/11

09:00-20:06

2 stops41h 06m

€409

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 27/10

15:14-08:10

1 stop11h 56m

Dublin

Wed 12/11

09:00-15:29

1 stop12h 29m

€411

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 19/11

07:00-09:55

1 stop20h 55m

Dublin

Wed 26/11

09:00-15:29

1 stop12h 29m

€416

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 29/10

08:20-09:55

2 stops20h 35m

Dublin

Wed 5/11

05:10-13:55

1 stop14h 45m

€419

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 28/10

13:35-09:20

2 stops14h 45m

Dublin

Wed 5/11

11:30-22:04

2 stops16h 34m

€422

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 9/3

06:45-08:45

2 stops21h 00m

Dublin

Wed 25/3

10:45-20:39

2 stops14h 54m

€433

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 8/3

16:50-11:00

1 stop13h 10m

Dublin

Wed 18/3

05:10-14:55

1 stop14h 45m

€439

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 29/10

16:50-11:00

1 stop13h 10m

Dublin

Fri 7/11

05:10-13:55

1 stop14h 45m

€444

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 February, then book flights to Dublin from St. Louis during November instead. Flights to Dublin in November, while not as cheap as those in February, still average around €601.

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 €756 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 €542 on momondo.

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

As of September 2025, prices for St. Louis to Dublin flights are approximately 34% 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.
Search flight deals

  • 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 9h 46m.

  • 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
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
Leixlip

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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