Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from St. Louis to Dublin from €179

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 3/5. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:05 - 08:15
STL
-
DUB
10h 10m
1 stop
Multiple Airlines Logo
05:55 - 13:25
DUB
-
STL
13h 30m
1 stop
€386Multiple Airlines
Tue, 14 Apr - Wed, 22 Apr
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
07:41 - 08:10
STL
-
DUB
18h 29m
1 stop
United Airlines Logo
09:00 - 22:14
DUB
-
STL
43h 14m
2 stops
€389United Airlines
Fri, 20 Feb - Mon, 23 Feb
United Airlines Logo
09:55 - 10:20
STL
-
DUB
18h 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
07:41 - 07:30
STL
-
DUB
17h 49m
2 stops
United Airlines Logo
09:00 - 20:26
DUB
-
STL
41h 26m
2 stops
€392United Airlines
Fri, 20 Feb - Fri, 27 Feb
British Airways Logo
12:25 - 09:40
STL
-
DUB
15h 15m
2 stops
British Airways Logo
20:30 - 17:21
DUB
-
STL
26h 51m
2 stops
€395British Airways
Tue, 14 Apr - Wed, 22 Apr
British Airways Logo
10:43 - 09:50
STL
-
DUB
17h 07m
2 stops
British Airways Logo
20:35 - 22:52
DUB
-
STL
32h 17m
2 stops
€398British Airways
Sat, 28 Feb - Fri, 6 Mar
United Airlines Logo
07:41 - 08:10
STL
-
DUB
18h 29m
1 stop
United Airlines Logo
09:00 - 15:29
DUB
-
STL
12h 29m
1 stop
€399United Airlines
Fri, 20 Feb - Fri, 27 Feb
United Airlines Logo
17:41 - 09:55
STL
-
DUB
10h 14m
1 stop
United Airlines Logo
09:00 - 15:29
DUB
-
STL
12h 29m
1 stop
€400United Airlines
Sat, 21 Feb - Sun, 1 Mar
Multiple Airlines Logo
07:41 - 07:10
STL
-
DUB
17h 29m
2 stops
Multiple Airlines Logo
05:10 - 13:55
DUB
-
STL
14h 45m
1 stop
€402Multiple Airlines
Sat, 21 Feb - Sun, 1 Mar

British Airways flights from St. Louis to Dublin

Our best British Airways deals on St. Louis to Dublin flight tickets
British Airways
14 Apr
STL12:25Lambert-St Louis
15h 15m
2 stops
DUB09:40Dublin
22 Apr
DUB20:30Dublin
26h 51m
2 stops
STL17:21Lambert-St Louis
€395
British Airways
28 Feb
STL10:43Lambert-St Louis
17h 07m
2 stops
DUB09:50Dublin
6 Mar
DUB20:35Dublin
32h 17m
2 stops
STL22:52Lambert-St Louis
€398
British Airways
21 Apr
STL14:29Lambert-St Louis
13h 11m
2 stops
DUB09:40Dublin
9 May
DUB18:45Dublin
28h 27m
2 stops
STL17:12Lambert-St Louis
€444

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
20 Feb
STL07:41Lambert-St Louis
18h 29m
1 stop
DUB08:10Dublin
23 Feb
DUB09:00Dublin
43h 14m
2 stops
STL22:14Lambert-St Louis
€389
United Airlines
21 Feb
STL09:55Lambert-St Louis
18h 25m
2 stops
DUB10:20Dublin
2 Mar
DUB09:00Dublin
43h 14m
2 stops
STL22:14Lambert-St Louis
€391

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 2 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 14/4

16:05-08:15

1 stop10h 10m

Dublin

Wed 22/4

05:55-13:25

1 stop13h 30m

€386

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

Fri 20/2

07:41-08:10

1 stop18h 29m

Dublin

Mon 23/2

09:00-22:14

2 stops43h 14m

€389

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 21/2

09:55-10:20

2 stops18h 25m

Dublin

Mon 2/3

09:00-22:14

2 stops43h 14m

€391

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Fri 20/2

07:41-07:30

2 stops17h 49m

Dublin

Fri 27/2

09:00-20:26

2 stops41h 26m

€392

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 14/4

12:25-09:40

2 stops15h 15m

Dublin

Wed 22/4

20:30-17:21

2 stops26h 51m

€395

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 28/2

10:43-09:50

2 stops17h 07m

Dublin

Fri 6/3

20:35-22:52

2 stops32h 17m

€398

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Fri 20/2

07:41-08:10

1 stop18h 29m

Dublin

Fri 27/2

09:00-15:29

1 stop12h 29m

€399

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 21/2

17:41-09:55

1 stop10h 14m

Dublin

Sun 1/3

09:00-15:29

1 stop12h 29m

€400

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 21/2

07:41-07:10

2 stops17h 29m

Dublin

Sun 1/3

05:10-13:55

1 stop14h 45m

€402

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 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 February instead. Flights to Dublin in February, while not as cheap as those in November, still average around €530.

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 €665 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 €507 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 10m

Direct flights

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

  • 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
Dundalk
Tullamore
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.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 4/3
Wed 11/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland