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Cheap flights from St. Louis to Dublin from €174

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 4/5. 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
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.
British Airways Logo
12:27 - 10:15
STL
-
DUB
15h 48m
2 stops
British Airways Logo
13:30 - 19:30
DUB
-
STL
12h 00m
1 stop
€348British Airways
Tue, 14 Apr - Wed, 22 Apr
British Airways Logo
16:46 - 13:30
STL
-
DUB
14h 44m
2 stops
British Airways Logo
12:30 - 19:30
DUB
-
STL
13h 00m
1 stop
€349British Airways
Tue, 14 Apr - Wed, 22 Apr
British Airways Logo
14:54 - 11:15
STL
-
DUB
14h 21m
2 stops
British Airways Logo
18:30 - 17:13
DUB
-
STL
28h 43m
2 stops
€353British Airways
Tue, 10 Feb - Tue, 17 Feb
British Airways Logo
14:54 - 11:15
STL
-
DUB
14h 21m
2 stops
British Airways Logo
08:45 - 21:15
DUB
-
STL
18h 30m
2 stops
€354British Airways
Sun, 25 Jan - Tue, 10 Feb
United Airlines Logo
14:20 - 08:15
STL
-
DUB
11h 55m
1 stop
United Airlines Logo
09:50 - 22:26
DUB
-
STL
42h 36m
2 stops
€356United Airlines
Mon, 4 May - Tue, 12 May
British Airways Logo
13:29 - 10:15
STL
-
DUB
14h 46m
2 stops
British Airways Logo
08:40 - 18:27
DUB
-
STL
15h 47m
2 stops
€356British Airways
Wed, 8 Apr - Thu, 16 Apr
British Airways Logo
13:35 - 13:35
STL
-
DUB
18h 00m
2 stops
British Airways Logo
06:40 - 21:12
DUB
-
STL
20h 32m
2 stops
€358British Airways
Mon, 2 Feb - Fri, 13 Feb
United Airlines Logo
13:15 - 07:30
STL
-
DUB
12h 15m
2 stops
United Airlines Logo
09:00 - 15:29
DUB
-
STL
12h 29m
1 stop
€359United Airlines
Mon, 26 Jan - Wed, 11 Feb
United Airlines Logo
09:55 - 08:10
STL
-
DUB
16h 15m
1 stop
United Airlines Logo
09:00 - 15:29
DUB
-
STL
12h 29m
1 stop
€361United Airlines
Wed, 25 Feb - Wed, 4 Mar
British Airways Logo
07:05 - 09:40
STL
-
DUB
20h 35m
2 stops
British Airways Logo
12:00 - 22:14
DUB
-
STL
16h 14m
2 stops
€362British Airways
Tue, 14 Apr - Wed, 22 Apr

Iberia flights from St. Louis to Dublin

Our best Iberia deals on St. Louis to Dublin flight tickets
Iberia
2 Feb
STL09:33Lambert-St Louis
17h 07m
1 stop
DUB08:40Dublin
13 Feb
DUB11:30Dublin
17h 22m
1 stop
STL22:52Lambert-St Louis
€372
Iberia
25 Jan
STL09:33Lambert-St Louis
17h 07m
1 stop
DUB08:40Dublin
10 Feb
DUB11:30Dublin
17h 14m
1 stop
STL22:44Lambert-St Louis
€373
Iberia
24 Jan
STL09:33Lambert-St Louis
17h 07m
1 stop
DUB08:40Dublin
11 Feb
DUB11:30Dublin
17h 14m
1 stop
STL22:44Lambert-St Louis
€394

KLM flights from St. Louis to Dublin

Our best KLM deals on St. Louis to Dublin flight tickets
KLM
11 Apr
STL17:29Lambert-St Louis
32h 26m
1 stop
DUB07:55Dublin
22 Apr
DUB10:00Dublin
19h 12m
1 stop
STL23:12Lambert-St Louis
€380
KLM
23 Jan
STL18:57Lambert-St Louis
15h 23m
2 stops
DUB16:20Dublin
10 Feb
DUB10:45Dublin
15h 52m
2 stops
STL20:37Lambert-St Louis
€406

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 13 January 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

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 14/4

12:27-10:15

2 stops15h 48m

Dublin

Wed 22/4

13:30-19:30

1 stop12h 00m

€348

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 14/4

16:46-13:30

2 stops14h 44m

Dublin

Wed 22/4

12:30-19:30

1 stop13h 00m

€349

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/2

14:54-11:15

2 stops14h 21m

Dublin

Tue 17/2

18:30-17:13

2 stops28h 43m

€353

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 25/1

14:54-11:15

2 stops14h 21m

Dublin

Tue 10/2

08:45-21:15

2 stops18h 30m

€354

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 4/5

14:20-08:15

1 stop11h 55m

Dublin

Tue 12/5

09:50-22:26

2 stops42h 36m

€356

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 8/4

13:29-10:15

2 stops14h 46m

Dublin

Thu 16/4

08:40-18:27

2 stops15h 47m

€356

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 2/2

13:35-13:35

2 stops18h 00m

Dublin

Fri 13/2

06:40-21:12

2 stops20h 32m

€358

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 26/1

13:15-07:30

2 stops12h 15m

Dublin

Wed 11/2

09:00-15:29

1 stop12h 29m

€359

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 25/2

09:55-08:10

1 stop16h 15m

Dublin

Wed 4/3

09:00-15:29

1 stop12h 29m

€361

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 14/4

07:05-09:40

2 stops20h 35m

Dublin

Wed 22/4

12:00-22:14

2 stops16h 14m

€362

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 January instead. Flights to Dublin in January, while not as cheap as those in November, still average around €547.

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 €687 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 €526 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

12h 45m

Direct flights

None
The fastest flight from St. Louis to Dublin takes 12h 45m
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 12h 45m.

  • 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
Naas
Kildare
Enniscorthy
Bray
Mullingar
Carlingford
Gorey
Malahide
Maynooth
Leixlip
Arklow
Castleknock
Drogheda

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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