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Cheap flights from St. Louis to Dublin from €199

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 21/1. 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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Cheap return flights

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Lufthansa Logo
13:00 - 08:10STL-DUB
13h 10m1 stop
Lufthansa Logo
10:40 - 16:27DUB-STL
11h 47m1 stop
€331Lufthansa
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Mon, 8 Dec - Wed, 24 Dec
Austrian Airlines Logo
11:22 - 07:30STL-DUB
14h 08m1 stop
Austrian Airlines Logo
09:30 - 00:05DUB-STL
20h 35m1 stop
€332Austrian Airlines
Find Deal
Tue, 10 Feb - Thu, 19 Feb
British Airways Logo
22:00 - 19:30STL-DUB
15h 30m1 stop
British Airways Logo
20:55 - 19:30DUB-STL
28h 35m1 stop
€344British Airways
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Tue, 5 May - Mon, 11 May
British Airways Logo
14:00 - 09:40STL-DUB
13h 40m2 stops
British Airways Logo
10:20 - 23:48DUB-STL
18h 28m2 stops
€353British Airways
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Wed, 4 Mar - Wed, 11 Mar
British Airways Logo
14:00 - 14:20STL-DUB
18h 20m2 stops
British Airways Logo
08:50 - 23:48DUB-STL
19h 58m2 stops
€360British Airways
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Sun, 1 Mar - Thu, 12 Mar
British Airways Logo
07:50 - 09:50STL-DUB
20h 00m2 stops
British Airways Logo
20:55 - 19:30DUB-STL
28h 35m1 stop
€361British Airways
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Tue, 5 May - Mon, 11 May
Air Canada Logo
16:05 - 08:15STL-DUB
10h 10m1 stop
Air Canada Logo
09:50 - 15:24DUB-STL
11h 34m1 stop
€366Air Canada
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Wed, 8 Apr - Thu, 16 Apr
KLM Logo
11:40 - 07:45STL-DUB
14h 05m1 stop
KLM Logo
09:45 - 19:04DUB-STL
15h 19m1 stop
€367KLM
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Mon, 8 Dec - Wed, 24 Dec
Delta Logo
09:30 - 07:45STL-DUB
16h 15m1 stop
Delta Logo
11:30 - 08:58DUB-STL
27h 28m2 stops
€367Delta
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Mon, 8 Dec - Wed, 24 Dec
United Airlines Logo
13:00 - 07:30STL-DUB
12h 30m2 stops
United Airlines Logo
12:05 - 21:43DUB-STL
15h 38m2 stops
€368United Airlines
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Mon, 8 Dec - Wed, 24 Dec

Lufthansa flights from St. Louis to Dublin

Our best Lufthansa deals on St. Louis to Dublin flight tickets
Lufthansa
8 Dec
STL13:00Lambert-St Louis
13h 10m
1 stop
DUB08:10Dublin
24 Dec
DUB10:40Dublin
11h 47m
1 stop
STL16:27Lambert-St Louis
€331
Find similar
Lufthansa
4 Dec
STL13:00Lambert-St Louis
13h 10m
1 stop
DUB08:10Dublin
11 Dec
DUB13:35Dublin
16h 07m
1 stop
STL23:42Lambert-St Louis
€360
Find similar
Lufthansa
2 Dec
STL11:50Lambert-St Louis
13h 40m
1 stop
DUB07:30Dublin
12 Dec
DUB05:10Dublin
14h 45m
1 stop
STL13:55Lambert-St Louis
€361
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Austrian Airlines flights from St. Louis to Dublin

Our best Austrian Airlines deals on St. Louis to Dublin flight tickets
Austrian Airlines
10 Feb
STL11:22Lambert-St Louis
14h 08m
1 stop
DUB07:30Dublin
19 Feb
DUB09:30Dublin
20h 35m
1 stop
STL00:05Lambert-St Louis
€332
Find similar
Austrian Airlines
5 Dec
STL11:50Lambert-St Louis
13h 40m
1 stop
DUB07:30Dublin
9 Dec
DUB09:30Dublin
20h 12m
1 stop
STL23:42Lambert-St Louis
€342
Find similar
Austrian Airlines
5 Dec
STL11:50Lambert-St Louis
13h 40m
1 stop
DUB07:30Dublin
9 Dec
DUB09:30Dublin
20h 12m
1 stop
STL23:42Lambert-St Louis
€350
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 28 November 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

Mon 8/12

13:00-08:10

1 stop13h 10m

Dublin

Wed 24/12

10:40-16:27

1 stop11h 47m

€331

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 10/2

11:22-07:30

1 stop14h 08m

Dublin

Thu 19/2

09:30-00:05

1 stop20h 35m

€332

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 5/5

22:00-19:30

1 stop15h 30m

Dublin

Mon 11/5

20:55-19:30

1 stop28h 35m

€344

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 4/3

14:00-09:40

2 stops13h 40m

Dublin

Wed 11/3

10:20-23:48

2 stops18h 28m

€353

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 1/3

14:00-14:20

2 stops18h 20m

Dublin

Thu 12/3

08:50-23:48

2 stops19h 58m

€360

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 5/5

07:50-09:50

2 stops20h 00m

Dublin

Mon 11/5

20:55-19:30

1 stop28h 35m

€361

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 8/4

16:05-08:15

1 stop10h 10m

Dublin

Thu 16/4

09:50-15:24

1 stop11h 34m

€366

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 8/12

11:40-07:45

1 stop14h 05m

Dublin

Wed 24/12

09:45-19:04

1 stop15h 19m

€367

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 8/12

09:30-07:45

1 stop16h 15m

Dublin

Wed 24/12

11:30-08:58

2 stops27h 28m

€367

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 8/12

13:00-07:30

2 stops12h 30m

Dublin

Wed 24/12

12:05-21:43

2 stops15h 38m

€368

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 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 September instead. Flights to Dublin in September, while not as cheap as those in November, still average around €605.

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 €733 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 €536 on momondo.

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

As of November 2025, prices for St. Louis to Dublin flights are approximately 17% cheaper 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 15m

Direct flights

None
The fastest flight from St. Louis to Dublin takes 12h 15m
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
Swords
Cavan
Dundalk
Tullamore
Kildare
Enniscorthy
Bray
Naas
Mullingar
Carlingford
Arklow
Maynooth
Leixlip
Gorey
Malahide
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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