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Cheap flights from St. Louis to Dublin from €164

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
13:15 - 08:10
STL
-
DUB
12h 55m1 stop
Lufthansa Logo
10:40 - 17:43
DUB
-
STL
13h 03m1 stop
€366Lufthansa
Tue, 27 Jan - Tue, 3 Feb
Austrian Airlines Logo
11:22 - 07:30
STL
-
DUB
14h 08m1 stop
Austrian Airlines Logo
09:30 - 17:25
DUB
-
STL
13h 55m1 stop
€367Austrian Airlines
Fri, 23 Jan - Sat, 31 Jan
British Airways Logo
22:00 - 16:20
STL
-
DUB
12h 20m1 stop
British Airways Logo
10:30 - 19:30
DUB
-
STL
15h 00m1 stop
€381British Airways
Sun, 26 Apr - Tue, 5 May
Multiple Airlines Logo
13:15 - 08:10
STL
-
DUB
12h 55m1 stop
Multiple Airlines Logo
09:00 - 14:30
DUB
-
STL
35h 30m2 stops
€384Multiple Airlines
Sat, 10 Jan - Sat, 17 Jan
Multiple Airlines Logo
16:05 - 08:15
STL
-
DUB
10h 10m1 stop
Multiple Airlines Logo
06:05 - 13:25
DUB
-
STL
13h 20m1 stop
€386Multiple Airlines
Mon, 13 Apr - Fri, 24 Apr
United Airlines Logo
11:20 - 08:10
STL
-
DUB
14h 50m1 stop
United Airlines Logo
09:00 - 22:00
DUB
-
STL
43h 00m2 stops
€388United Airlines
Thu, 22 Jan - Mon, 26 Jan
United Airlines Logo
10:07 - 07:30
STL
-
DUB
15h 23m2 stops
United Airlines Logo
09:00 - 22:00
DUB
-
STL
43h 00m2 stops
€391United Airlines
Thu, 22 Jan - Mon, 26 Jan
Air Canada Logo
09:57 - 07:10
STL
-
DUB
15h 13m2 stops
Air Canada Logo
09:00 - 21:40
DUB
-
STL
42h 40m2 stops
€393Air Canada
Fri, 23 Jan - Wed, 11 Feb
Multiple Airlines Logo
13:15 - 08:10
STL
-
DUB
12h 55m1 stop
Multiple Airlines Logo
09:00 - 15:29
DUB
-
STL
12h 29m1 stop
€394Multiple Airlines
Mon, 26 Jan - Mon, 2 Feb
British Airways Logo
14:54 - 12:10
STL
-
DUB
15h 16m2 stops
British Airways Logo
10:55 - 22:59
DUB
-
STL
18h 04m2 stops
€395British Airways
Tue, 27 Jan - Tue, 3 Feb

United Airlines flights from St. Louis to Dublin

Our best United Airlines deals on St. Louis to Dublin flight tickets
United Airlines
22 Jan
STL06:30Lambert-St Louis
19h 40m
1 stop
DUB08:10Dublin
26 Jan
DUB09:00Dublin
43h 00m
2 stops
STL22:00Lambert-St Louis
€388
Find similar
United Airlines
10 Jan
STL09:57Lambert-St Louis
15h 33m
2 stops
DUB07:30Dublin
17 Jan
DUB09:00Dublin
43h 00m
2 stops
STL22:00Lambert-St Louis
€391
Find similar
United Airlines
1 Jan
STL09:55Lambert-St Louis
16h 15m
1 stop
DUB08:10Dublin
16 Jan
DUB09:00Dublin
12h 29m
1 stop
STL15:29Lambert-St Louis
€399
Find similar

Lufthansa flights from St. Louis to Dublin

Our best Lufthansa deals on St. Louis to Dublin flight tickets
Lufthansa
27 Jan
STL13:15Lambert-St Louis
12h 55m
1 stop
DUB08:10Dublin
3 Feb
DUB10:40Dublin
13h 03m
1 stop
STL17:43Lambert-St Louis
€366
Find similar
Lufthansa
8 Jan
STL13:15Lambert-St Louis
12h 55m
1 stop
DUB08:10Dublin
12 Jan
DUB09:30Dublin
20h 29m
1 stop
STL23:59Lambert-St Louis
€408
Find similar
Lufthansa
31 Dec
STL11:05Lambert-St Louis
15h 05m
1 stop
DUB08:10Dublin
15 Jan
DUB10:50Dublin
19h 09m
2 stops
STL23:59Lambert-St Louis
€409
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 30 December 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

Tue 27/1

13:15-08:10

1 stop12h 55m

Dublin

Tue 3/2

10:40-17:43

1 stop13h 03m

€366

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Fri 23/1

11:22-07:30

1 stop14h 08m

Dublin

Sat 31/1

09:30-17:25

1 stop13h 55m

€367

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 26/4

22:00-16:20

1 stop12h 20m

Dublin

Tue 5/5

10:30-19:30

1 stop15h 00m

€381

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 10/1

13:15-08:10

1 stop12h 55m

Dublin

Sat 17/1

09:00-14:30

2 stops35h 30m

€384

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 13/4

16:05-08:15

1 stop10h 10m

Dublin

Fri 24/4

06:05-13:25

1 stop13h 20m

€386

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 22/1

11:20-08:10

1 stop14h 50m

Dublin

Mon 26/1

09:00-22:00

2 stops43h 00m

€388

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Thu 22/1

10:07-07:30

2 stops15h 23m

Dublin

Mon 26/1

09:00-22:00

2 stops43h 00m

€391

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Fri 23/1

09:57-07:10

2 stops15h 13m

Dublin

Wed 11/2

09:00-21:40

2 stops42h 40m

€393

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 26/1

13:15-08:10

1 stop12h 55m

Dublin

Mon 2/2

09:00-15:29

1 stop12h 29m

€394

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 27/1

14:54-12:10

2 stops15h 16m

Dublin

Tue 3/2

10:55-22:59

2 stops18h 04m

€395

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 January instead. Flights to Dublin in January, while not as cheap as those in November, still average around €552.

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 €690 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 €522 on momondo.

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

As of December 2025, prices for St. Louis to Dublin flights are approximately 43% more expensive 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

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from St. Louis to Dublin takes 12h 20m
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 20m.

  • 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
Swords
Cavan
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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