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Cheap flights from St. Louis to Dublin from €312

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 24/10. 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

United Airlines Logo
17:24 - 11:10STL-DUB
11h 46m1 stop
United Airlines Logo
09:00 - 14:20DUB-STL
35h 20m2 stops
€332United Airlines
Find Deal
Tue, 21 Oct - Wed, 5 Nov
United Airlines Logo
09:20 - 07:10STL-DUB
15h 50m2 stops
United Airlines Logo
09:00 - 14:20DUB-STL
35h 20m2 stops
€337United Airlines
Find Deal
Tue, 21 Oct - Wed, 5 Nov
Air Canada Logo
18:43 - 07:10STL-DUB
30h 27m2 stops
Air Canada Logo
09:00 - 10:27DUB-STL
31h 27m2 stops
€343Air Canada
Find Deal
Mon, 3 Nov - Fri, 21 Nov
Air Canada Logo
09:20 - 08:15STL-DUB
16h 55m2 stops
Air Canada Logo
09:00 - 15:26DUB-STL
12h 26m1 stop
€345Air Canada
Find Deal
Tue, 21 Oct - Wed, 5 Nov
Delta Logo
11:18 - 07:55STL-DUB
14h 37m1 stop
Delta Logo
13:15 - 22:02DUB-STL
14h 47m2 stops
€356Delta
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Mon, 4 Aug - Wed, 20 Aug
Delta Logo
05:00 - 06:45STL-DUB
19h 45m1 stop
Delta Logo
09:45 - 21:59DUB-STL
18h 14m1 stop
€357Delta
Find Deal
Sun, 2 Nov - Wed, 12 Nov
Iberia Logo
11:46 - 10:15STL-DUB
17h 29m2 stops
Iberia Logo
11:30 - 20:16DUB-STL
14h 46m1 stop
€369Iberia
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Iberia Logo
10:00 - 08:30STL-DUB
16h 30m2 stops
Iberia Logo
13:45 - 23:49DUB-STL
16h 04m1 stop
€371Iberia
Find Deal
Tue, 5 Aug - Tue, 19 Aug
Lufthansa Logo
17:30 - 16:55STL-DUB
17h 25m2 stops
Lufthansa Logo
17:45 - 15:44DUB-STL
27h 59m2 stops
€409Lufthansa
Find Deal
Tue, 19 Aug - Mon, 25 Aug
Lufthansa Logo
15:50 - 17:10STL-DUB
19h 20m2 stops
Lufthansa Logo
05:10 - 13:55DUB-STL
14h 45m1 stop
€419Lufthansa
Find Deal
Wed, 5 Nov - Fri, 14 Nov

United Airlines flights from St. Louis to Dublin

Our best United Airlines deals on St. Louis to Dublin flight tickets
United Airlines
21 Oct
STL17:24Lambert-St Louis
11h 46m
1 stop
DUB11:10Dublin
5 Nov
DUB09:00Dublin
35h 20m
2 stops
STL14:20Lambert-St Louis
United Airlines
21 Oct
STL09:20Lambert-St Louis
15h 50m
2 stops
DUB07:10Dublin
5 Nov
DUB09:00Dublin
35h 20m
2 stops
STL14:20Lambert-St Louis
United Airlines
21 Oct
STL17:28Lambert-St Louis
10h 17m
1 stop
DUB09:45Dublin
5 Nov
DUB09:00Dublin
12h 26m
1 stop
STL15:26Lambert-St Louis

Air Canada flights from St. Louis to Dublin

Our best Air Canada deals on St. Louis to Dublin flight tickets
Air Canada
3 Nov
STL18:43Lambert-St Louis
30h 27m
2 stops
DUB07:10Dublin
21 Nov
DUB09:00Dublin
31h 27m
2 stops
STL10:27Lambert-St Louis
Air Canada
21 Oct
STL09:20Lambert-St Louis
16h 55m
2 stops
DUB08:15Dublin
5 Nov
DUB09:00Dublin
12h 26m
1 stop
STL15:26Lambert-St Louis
Air Canada
21 Oct
STL09:20Lambert-St Louis
16h 55m
2 stops
DUB08:15Dublin
5 Nov
DUB09:00Dublin
19h 47m
2 stops
STL22:47Lambert-St Louis

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 February, then book flights to Dublin from St. Louis during November instead. Flights to Dublin in November, while not as cheap as those in February, still average around €613.

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 23 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €784 when searching 23 weeks out.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 €599 on momondo.

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

As of June 2025, prices for St. Louis to Dublin flights are approximately 28% 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

Best price found

€312

Fastest flight time

9h 39m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from St. Louis in the past 72 hours is €312. The best return flight deal from St. Louis to Dublin found on momondo in the last 72 hours is €332.
The fastest flight from St. Louis to Dublin takes 9h 39m
There are no direct flights from St. Louis to Dublin. Popular non-direct route for this connection is Lambert-St Louis Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)

  • 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 9h 39m.

  • 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
Enniscorthy
Swords
Dundalk
Wicklow
Cavan
Arklow
Naas
Tullamore
Gorey
Kildare
Mullingar
Drogheda
Maynooth
Portmarnock
Bray
Castleknock
Leixlip
Malahide

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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