Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from St. Louis to Dublin from €290

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 11/7. 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.

Find the cheapest flights from St. Louis to Dublin

Cheap return flights

These are some of the best return flight deals from St. Louis to Dublin that have been recently found on momondo from popular airlines, departing in the coming months.
Iberia Logo
16:12 - 09:45STL-DUB
11h 33m1 stop
Iberia Logo
14:05 - 22:34DUB-STL
13h 29m1 stop
€490Iberia
Find Deal
Wed, 22 Oct - Sat, 1 Nov
Iberia Logo
11:46 - 08:30STL-DUB
14h 44m2 stops
Iberia Logo
14:05 - 22:34DUB-STL
13h 29m1 stop
€522Iberia
Find Deal
Wed, 22 Oct - Sat, 1 Nov
United Airlines Logo
09:17 - 08:15STL-DUB
16h 58m2 stops
United Airlines Logo
09:20 - 10:38DUB-STL
31h 18m2 stops
€525United Airlines
Find Deal
Thu, 21 Aug - Tue, 26 Aug
United Airlines Logo
13:30 - 07:45STL-DUB
12h 15m1 stop
United Airlines Logo
09:50 - 19:40DUB-STL
15h 50m1 stop
€532United Airlines
Find Deal
Fri, 1 Aug - Fri, 22 Aug
Delta Logo
06:45 - 07:55STL-DUB
19h 10m2 stops
Delta Logo
09:45 - 20:35DUB-STL
15h 50m2 stops
€549Delta
Find Deal
Wed, 22 Oct - Sat, 1 Nov
Air Canada Logo
13:30 - 07:45STL-DUB
12h 15m1 stop
Air Canada Logo
09:20 - 20:00DUB-STL
16h 40m1 stop
€571Air Canada
Find Deal
Fri, 15 Aug - Mon, 25 Aug
 Logo
15:30 - 16:55STL-DUB
19h 25m1 stop
 Logo
13:00 - 19:40DUB-STL
36h 40m2 stops
€571
Find Deal
Fri, 15 Aug - Mon, 25 Aug
Air Canada Logo
05:00 - 07:45STL-DUB
20h 45m2 stops
Air Canada Logo
09:20 - 12:27DUB-STL
33h 07m2 stops
€572Air Canada
Find Deal
Wed, 30 Jul - Thu, 7 Aug
Delta Logo
06:00 - 09:15STL-DUB
21h 15m1 stop
Delta Logo
13:15 - 08:41DUB-STL
25h 26m1 stop
€662Delta
Find Deal
Sun, 3 Aug - Sun, 10 Aug
 Logo
09:09 - 07:20STL-DUB
16h 11m2 stops
 Logo
09:50 - 14:37DUB-STL
34h 47m2 stops
€678
Find Deal
Sat, 2 Aug - Sat, 9 Aug

United Airlines flights from St. Louis to Dublin

Our best United Airlines deals on St. Louis to Dublin flight tickets
United Airlines
21 Aug
STL09:17Lambert-St Louis
16h 58m
2 stops
DUB08:15Dublin
26 Aug
DUB09:20Dublin
31h 18m
2 stops
STL10:38Lambert-St Louis
United Airlines
1 Aug
STL13:30Lambert-St Louis
12h 15m
1 stop
DUB07:45Dublin
22 Aug
DUB09:50Dublin
15h 50m
1 stop
STL19:40Lambert-St Louis
United Airlines
30 Jul
STL10:00Lambert-St Louis
17h 45m
1 stop
DUB09:45Dublin
5 Aug
DUB09:20Dublin
16h 40m
1 stop
STL20:00Lambert-St Louis

American Airlines flights from St. Louis to Dublin

Our best American Airlines deals on St. Louis to Dublin flight tickets
American Airlines
15 May
STL05:12Lambert-St Louis
18h 18m
1 stop
DUB05:30Dublin
22 May
DUB11:45Dublin
13h 38m
1 stop
STL19:23Lambert-St Louis
American Airlines
15 May
STL05:12Lambert-St Louis
18h 18m
1 stop
DUB05:30Dublin
22 May
DUB09:30Dublin
15h 53m
2 stops
STL19:23Lambert-St Louis
American Airlines
31 May
STL08:58Lambert-St Louis
14h 32m
1 stop
DUB05:30Dublin
9 Jun
DUB11:45Dublin
13h 30m
1 stop
STL19:15Lambert-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 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 February instead. Flights to Dublin in February, while not as cheap as those in November, still average around €635.

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 22 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €802 when searching 22 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 €661 on momondo.

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

As of April 2025, prices for St. Louis to Dublin flights are approximately 50% 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

€290

Fastest flight time

9h 35m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from St. Louis in the past 72 hours is €290. The best return flight deal from St. Louis to Dublin found on momondo in the last 72 hours is €490.
The fastest flight from St. Louis to Dublin takes 9h 35m
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 35m.

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 5/5
Mon 12/5