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Cheap flights from St. Louis to Dublin from €183

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 15/8. 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.
United Airlines Logo
05:20 - 07:45
STL
-
DUB
20h 25m
2 stops
United Airlines Logo
09:20 - 12:20
DUB
-
STL
33h 00m
2 stops
€390United Airlines
Tue, 11 Aug - Wed, 19 Aug
United Airlines Logo
12:10 - 07:45
STL
-
DUB
13h 35m
1 stop
United Airlines Logo
09:20 - 22:06
DUB
-
STL
42h 46m
2 stops
€393United Airlines
Sun, 16 Aug - Tue, 25 Aug
United Airlines Logo
06:40 - 09:45
STL
-
DUB
21h 05m
1 stop
United Airlines Logo
09:20 - 12:20
DUB
-
STL
33h 00m
2 stops
€394United Airlines
Tue, 11 Aug - Wed, 19 Aug
United Airlines Logo
18:49 - 07:45
STL
-
DUB
30h 56m
2 stops
United Airlines Logo
09:20 - 12:20
DUB
-
STL
33h 00m
2 stops
€397United Airlines
Sat, 15 Aug - Tue, 25 Aug
United Airlines Logo
11:15 - 07:20
STL
-
DUB
14h 05m
2 stops
United Airlines Logo
09:50 - 22:28
DUB
-
STL
42h 38m
2 stops
€398United Airlines
Wed, 22 Apr - Tue, 28 Apr
Air Canada Logo
12:10 - 07:45
STL
-
DUB
13h 35m
1 stop
Air Canada Logo
09:50 - 18:32
DUB
-
STL
14h 42m
1 stop
€400Air Canada
Sun, 16 Aug - Tue, 25 Aug
British Airways Logo
21:35 - 14:35
STL
-
DUB
11h 00m
1 stop
British Airways Logo
10:30 - 19:30
DUB
-
STL
15h 00m
1 stop
€401British Airways
Tue, 18 Aug - Tue, 25 Aug
United Airlines Logo
05:20 - 07:45
STL
-
DUB
20h 25m
2 stops
United Airlines Logo
09:20 - 14:02
DUB
-
STL
10h 42m
1 stop
€401United Airlines
Tue, 11 Aug - Wed, 19 Aug
United Airlines Logo
18:49 - 07:45
STL
-
DUB
30h 56m
2 stops
United Airlines Logo
09:50 - 18:32
DUB
-
STL
14h 42m
1 stop
€404United Airlines
Sat, 15 Aug - Tue, 25 Aug
United Airlines Logo
17:18 - 09:45
STL
-
DUB
10h 27m
1 stop
United Airlines Logo
09:20 - 14:02
DUB
-
STL
10h 42m
1 stop
€405United Airlines
Tue, 11 Aug - Wed, 19 Aug

British Airways flights from St. Louis to Dublin

Our best British Airways deals on St. Louis to Dublin flight tickets
British Airways
18 Aug
STL21:35Lambert-St Louis
11h 00m
1 stop
DUB14:35Dublin
25 Aug
DUB10:30Dublin
15h 00m
1 stop
STL19:30Lambert-St Louis
€401
British Airways
14 Apr
STL14:33Lambert-St Louis
13h 07m
2 stops
DUB09:40Dublin
22 Apr
DUB12:50Dublin
12h 40m
1 stop
STL19:30Lambert-St Louis
€450
British Airways
8 Apr
STL17:21Lambert-St Louis
15h 14m
2 stops
DUB14:35Dublin
16 Apr
DUB08:35Dublin
16h 58m
2 stops
STL19:33Lambert-St Louis
€458

KLM flights from St. Louis to Dublin

Our best KLM deals on St. Louis to Dublin flight tickets
KLM
24 Feb
STL11:23Lambert-St Louis
14h 22m
1 stop
DUB07:45Dublin
3 Mar
DUB05:55Dublin
16h 47m
2 stops
STL16:42Lambert-St Louis
€410
KLM
24 Feb
STL07:10Lambert-St Louis
18h 35m
1 stop
DUB07:45Dublin
3 Mar
DUB09:45Dublin
19h 51m
1 stop
STL23:36Lambert-St Louis
€412
KLM
12 Apr
STL12:28Lambert-St Louis
13h 27m
1 stop
DUB07:55Dublin
22 Apr
DUB05:55Dublin
16h 47m
2 stops
STL16:42Lambert-St Louis
€456

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 23 February 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 11/8

05:20-07:45

2 stops20h 25m

Dublin

Wed 19/8

09:20-12:20

2 stops33h 00m

€390

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 16/8

12:10-07:45

1 stop13h 35m

Dublin

Tue 25/8

09:20-22:06

2 stops42h 46m

€393

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/8

06:40-09:45

1 stop21h 05m

Dublin

Wed 19/8

09:20-12:20

2 stops33h 00m

€394

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 15/8

18:49-07:45

2 stops30h 56m

Dublin

Tue 25/8

09:20-12:20

2 stops33h 00m

€397

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 22/4

11:15-07:20

2 stops14h 05m

Dublin

Tue 28/4

09:50-22:28

2 stops42h 38m

€398

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 16/8

12:10-07:45

1 stop13h 35m

Dublin

Tue 25/8

09:50-18:32

1 stop14h 42m

€400

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 18/8

21:35-14:35

1 stop11h 00m

Dublin

Tue 25/8

10:30-19:30

1 stop15h 00m

€401

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/8

05:20-07:45

2 stops20h 25m

Dublin

Wed 19/8

09:20-14:02

1 stop10h 42m

€401

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 15/8

18:49-07:45

2 stops30h 56m

Dublin

Tue 25/8

09:50-18:32

1 stop14h 42m

€404

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/8

17:18-09:45

1 stop10h 27m

Dublin

Wed 19/8

09:20-14:02

1 stop10h 42m

€405

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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 January, then book flights to Dublin from St. Louis during November instead. Flights to Dublin in November, while not as cheap as those in January, still average around €473.

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 €628 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 €489 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

10h 04m

Direct flights

None
The fastest flight from St. Louis to Dublin takes 10h 04m
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 10h 04m.

  • 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
Naas
Tullamore
Dundalk
Kildare
Swords
Bray
Gorey
Mullingar
Maynooth
Enniscorthy
Malahide
Carlingford
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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