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Cheap flights from St. Louis to Dublin from €282

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 27/5. 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.
Lufthansa Logo
15:50 - 16:35
STL
-
DUB
18h 45m
1 stop
Lufthansa Logo
05:10 - 14:55
DUB
-
STL
14h 45m
1 stop
€375Lufthansa
Wed, 4 Mar - Wed, 11 Mar
United Airlines Logo
12:15 - 10:20
STL
-
DUB
16h 05m
1 stop
United Airlines Logo
09:00 - 22:14
DUB
-
STL
43h 14m
2 stops
€387United Airlines
Sat, 21 Feb - Mon, 2 Mar
United Airlines Logo
08:30 - 09:55
STL
-
DUB
19h 25m
2 stops
United Airlines Logo
09:00 - 22:14
DUB
-
STL
43h 14m
2 stops
€391United Airlines
Sat, 21 Feb - Mon, 2 Mar
United Airlines Logo
07:45 - 09:45
STL
-
DUB
20h 00m
1 stop
United Airlines Logo
09:50 - 22:28
DUB
-
STL
42h 38m
2 stops
€393United Airlines
Tue, 14 Apr - Wed, 22 Apr
Air Canada Logo
06:25 - 07:10
STL
-
DUB
18h 45m
2 stops
Air Canada Logo
08:00 - 14:42
DUB
-
STL
35h 42m
2 stops
€394Air Canada
Sun, 1 Mar - Wed, 11 Mar
United Airlines Logo
13:11 - 08:10
STL
-
DUB
12h 59m
1 stop
United Airlines Logo
09:00 - 15:29
DUB
-
STL
12h 29m
1 stop
€398United Airlines
Sat, 21 Feb - Mon, 2 Mar
British Airways Logo
16:30 - 12:05
STL
-
DUB
13h 35m
2 stops
British Airways Logo
08:35 - 19:30
DUB
-
STL
16h 55m
1 stop
€399British Airways
Tue, 14 Apr - Wed, 22 Apr
Multiple Airlines Logo
16:05 - 22:45
STL
-
DUB
25h 40m
2 stops
Multiple Airlines Logo
08:00 - 15:29
DUB
-
STL
12h 29m
1 stop
€400Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
British Airways Logo
14:33 - 12:05
STL
-
DUB
15h 32m
2 stops
British Airways Logo
20:30 - 17:21
DUB
-
STL
26h 51m
2 stops
€401British Airways
Tue, 14 Apr - Wed, 22 Apr
British Airways Logo
16:30 - 14:35
STL
-
DUB
16h 05m
2 stops
British Airways Logo
20:30 - 17:22
DUB
-
STL
26h 52m
2 stops
€402British Airways
Tue, 14 Apr - Wed, 22 Apr

United Airlines flights from St. Louis to Dublin

Our best United Airlines deals on St. Louis to Dublin flight tickets
United Airlines
21 Feb
STL12:15Lambert-St Louis
16h 05m
1 stop
DUB10:20Dublin
2 Mar
DUB09:00Dublin
43h 14m
2 stops
STL22:14Lambert-St Louis
€387
United Airlines
21 Feb
STL08:30Lambert-St Louis
19h 25m
2 stops
DUB09:55Dublin
2 Mar
DUB09:00Dublin
43h 14m
2 stops
STL22:14Lambert-St Louis
€391
United Airlines
14 Apr
STL07:45Lambert-St Louis
20h 00m
1 stop
DUB09:45Dublin
22 Apr
DUB09:50Dublin
42h 38m
2 stops
STL22:28Lambert-St Louis
€393

British Airways flights from St. Louis to Dublin

Our best British Airways deals on St. Louis to Dublin flight tickets
British Airways
14 Apr
STL16:30Lambert-St Louis
13h 35m
2 stops
DUB12:05Dublin
22 Apr
DUB08:35Dublin
16h 55m
1 stop
STL19:30Lambert-St Louis
€399
British Airways
14 Apr
STL14:33Lambert-St Louis
15h 32m
2 stops
DUB12:05Dublin
22 Apr
DUB20:30Dublin
26h 51m
2 stops
STL17:21Lambert-St Louis
€401
British Airways
14 Apr
STL16:30Lambert-St Louis
16h 05m
2 stops
DUB14:35Dublin
22 Apr
DUB20:30Dublin
26h 52m
2 stops
STL17:22Lambert-St Louis
€402

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 9 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

Wed 4/3

15:50-16:35

1 stop18h 45m

Dublin

Wed 11/3

05:10-14:55

1 stop14h 45m

€375

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 21/2

12:15-10:20

1 stop16h 05m

Dublin

Mon 2/3

09:00-22:14

2 stops43h 14m

€387

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 21/2

08:30-09:55

2 stops19h 25m

Dublin

Mon 2/3

09:00-22:14

2 stops43h 14m

€391

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 14/4

07:45-09:45

1 stop20h 00m

Dublin

Wed 22/4

09:50-22:28

2 stops42h 38m

€393

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 1/3

06:25-07:10

2 stops18h 45m

Dublin

Wed 11/3

08:00-14:42

2 stops35h 42m

€394

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 21/2

13:11-08:10

1 stop12h 59m

Dublin

Mon 2/3

09:00-15:29

1 stop12h 29m

€398

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 14/4

16:30-12:05

2 stops13h 35m

Dublin

Wed 22/4

08:35-19:30

1 stop16h 55m

€399

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 9/3

16:05-22:45

2 stops25h 40m

Dublin

Mon 16/3

08:00-15:29

1 stop12h 29m

€400

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 14/4

14:33-12:05

2 stops15h 32m

Dublin

Wed 22/4

20:30-17:21

2 stops26h 51m

€401

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 14/4

16:30-14:35

2 stops16h 05m

Dublin

Wed 22/4

20:30-17:22

2 stops26h 52m

€402

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 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 €471.

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 €627 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 €487 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

11h 55m

Direct flights

None
The fastest flight from St. Louis to Dublin takes 11h 55m
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 11h 55m.

  • 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
Swords
Tullamore
Dundalk
Kildare
Bray
Mullingar
Enniscorthy
Maynooth
Gorey
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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