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Cheap flights from Ireland to St. Louis from $602

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ireland to St. Louis

Recent round-trip flight deals from Ireland to St. Louis

Enter your travel dates to find the best prices.
Finnair Logo
12:55 pm - 9:59 pmDUB  Dublin-STL Lambert-St Louis
14h 04m1 stop Dallas/Fort Worth
Finnair Logo
12:58 pm - 7:10 amSTL  Lambert-St Louis-DUB Dublin
12h 12m1 stop Dallas/Fort Worth
$979Finnair
Sun, Oct 25 - Sat, Nov 7
Multiple Airlines Logo
11:30 am - 12:05 amDUB  Dublin-STL Lambert-St Louis
18h 35m2 stops Reykjavik Keflavik Intl Baltimore/Washington
Multiple Airlines Logo
10:15 am - 10:15 amSTL  Lambert-St Louis-DUB Dublin
18h 00m2 stops Baltimore/Washington Reykjavik Keflavik Intl
$983Multiple Airlines
Sun, Nov 1 - Sun, Nov 8
British Airways Logo
1:05 pm - 10:34 pmDUB  Dublin-STL Lambert-St Louis
15h 29m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
5:37 pm - 5:05 pmSTL  Lambert-St Louis-DUB Dublin
17h 28m2 stops Chicago O'Hare Intl London Heathrow
$990British Airways
Thu, Jan 14 - Mon, Jan 18
British Airways Logo
1:05 pm - 10:34 pmDUB  Dublin-STL Lambert-St Louis
15h 29m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
5:37 pm - 5:05 pmSTL  Lambert-St Louis-DUB Dublin
17h 28m2 stops Chicago O'Hare Intl London Heathrow
$991British Airways
Thu, Jan 14 - Mon, Jan 18
Finnair Logo
12:55 pm - 8:19 pmDUB  Dublin-STL Lambert-St Louis
13h 24m1 stop Dallas/Fort Worth
Finnair Logo
12:56 pm - 7:10 amSTL  Lambert-St Louis-DUB Dublin
12h 14m1 stop Dallas/Fort Worth
$992Finnair
Sun, Nov 8 - Sat, Nov 21
Multiple Airlines Logo
12:55 pm - 9:59 pmDUB  Dublin-STL Lambert-St Louis
15h 04m1 stop Dallas/Fort Worth
Multiple Airlines Logo
5:29 pm - 5:45 pmSTL  Lambert-St Louis-DUB Dublin
18h 16m2 stops Chicago O'Hare Intl London Heathrow
$994Multiple Airlines
Sun, Nov 8 - Sat, Nov 21
American Airlines Logo
11:30 am - 8:24 pmDUB  Dublin-STL Lambert-St Louis
14h 54m1 stop Philadelphia
American Airlines Logo
1:40 pm - 8:30 amSTL  Lambert-St Louis-DUB Dublin
12h 50m2 stops Chicago O'Hare Intl Philadelphia
$995American Airlines
Thu, Jan 14 - Mon, Jan 18
American Airlines Logo
11:30 am - 8:24 pmDUB  Dublin-STL Lambert-St Louis
14h 54m1 stop Philadelphia
American Airlines Logo
1:40 pm - 8:30 amSTL  Lambert-St Louis-DUB Dublin
12h 50m2 stops Chicago O'Hare Intl Philadelphia
$999American Airlines
Thu, Jan 14 - Mon, Jan 18
American Airlines Logo
11:30 am - 8:24 pmDUB  Dublin-STL Lambert-St Louis
14h 54m1 stop Philadelphia
American Airlines Logo
1:15 pm - 8:30 amSTL  Lambert-St Louis-DUB Dublin
13h 15m1 stop Philadelphia
$1,000American Airlines
Thu, Jan 14 - Mon, Jan 18
American Airlines Logo
11:30 am - 11:58 pmDUB  Dublin-STL Lambert-St Louis
18h 28m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
12:57 pm - 8:40 amSTL  Lambert-St Louis-DUB Dublin
13h 43m2 stops Charlotte Douglas Philadelphia
$1,001American Airlines
Sun, Nov 8 - Sat, Nov 21

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Iberia flights from Ireland to St. Louis

Our best Iberia deals on Ireland to St. Louis flight tickets
Iberia
Oct 13
DUB12:40 pmDublin
15h 19m
1 stop
STL9:59 pmLambert-St Louis
Oct 20
STL12:47 pmLambert-St Louis
14h 58m
1 stop
DUB9:45 amDublin
$1,010
Iberia
Dec 12
DUB6:30 pmDublin
29h 47m
2 stops
STL6:17 pmLambert-St Louis
Jan 7
STL1:15 pmLambert-St Louis
13h 15m
1 stop
DUB8:30 amDublin
$1,012
Iberia
Oct 13
DUB12:40 pmDublin
13h 08m
1 stop
STL7:48 pmLambert-St Louis
Oct 20
STL11:31 amLambert-St Louis
39h 34m
2 stops
DUB9:05 amDublin
$1,033

Delta flights from Ireland to St. Louis

Our best Delta deals on Ireland to St. Louis flight tickets
Delta
Sep 28
DUB8:55 amDublin
20h 21m
2 stops
STL11:16 pmLambert-St Louis
Oct 13
STL6:05 pmLambert-St Louis
15h 20m
2 stops
DUB3:25 pmDublin
$1,129
Delta
Oct 13
DUB8:55 amDublin
17h 56m
2 stops
STL8:51 pmLambert-St Louis
Oct 20
STL6:05 pmLambert-St Louis
15h 20m
2 stops
DUB3:25 pmDublin
$1,131
Delta
Sep 29
DUB5:55 amDublin
15h 17m
2 stops
STL3:12 pmLambert-St Louis
Oct 2
STL10:05 amLambert-St Louis
17h 10m
2 stops
DUB9:15 amDublin
$1,290

momondo Fare Finder

 
Use the filters below to find and compare flights from Ireland to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 10/25

12:55 pm-9:59 pm

1 stop14h 04m

Lambert-St Louis

Sat 11/7

12:58 pm-7:10 am

1 stop12h 12m

$979

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 11/1

11:30 am-12:05 am

2 stops18h 35m

Lambert-St Louis

Sun 11/8

10:15 am-10:15 am

2 stops18h 00m

$983

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 1/14

1:05 pm-10:34 pm

2 stops15h 29m

Lambert-St Louis

Mon 1/18

5:37 pm-5:05 pm

2 stops17h 28m

$990

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 1/14

1:05 pm-10:34 pm

2 stops15h 29m

Lambert-St Louis

Mon 1/18

5:37 pm-5:05 pm

2 stops17h 28m

$991
Quickest round-trip

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 11/8

12:55 pm-8:19 pm

1 stop13h 24m

Lambert-St Louis

Sat 11/21

12:56 pm-7:10 am

1 stop12h 14m

$992

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 11/8

12:55 pm-9:59 pm

1 stop15h 04m

Lambert-St Louis

Sat 11/21

5:29 pm-5:45 pm

2 stops18h 16m

$994

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 1/14

11:30 am-8:24 pm

1 stop14h 54m

Lambert-St Louis

Mon 1/18

1:40 pm-8:30 am

2 stops12h 50m

$995

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 1/14

11:30 am-8:24 pm

1 stop14h 54m

Lambert-St Louis

Mon 1/18

1:40 pm-8:30 am

2 stops12h 50m

$999

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 1/14

11:30 am-8:24 pm

1 stop14h 54m

Lambert-St Louis

Mon 1/18

1:15 pm-8:30 am

1 stop13h 15m

$1,000

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 11/8

11:30 am-11:58 pm

2 stops18h 28m

Lambert-St Louis

Sat 11/21

12:57 pm-8:40 am

2 stops13h 43m

$1,001

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Ireland to St. Louis

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 St. Louis?

In general, November is the cheapest month to fly from Ireland to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of April is another great option to travel to St. Louis, with average flight prices from Ireland averaging around $979.

Can stopping save me money on Ireland to St. Louis flights?

You could potentially save up to 39% on your flight if you consider stops on a Ireland to St. Louis flight.

Cheap Ireland to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to St. Louis

Best Price Found

$602

Fastest flight time

12h 26m

Direct flights

None
The best one-way flight to St. Louis from Ireland in the past 72 hours is $602. The best round-trip flight deal from Ireland to St. Louis found on momondo in the last 72 hours is $979.
The fastest flight from Ireland to St. Louis takes 12h 26m
There are no direct flights from Ireland to St. Louis. There are no popular flight routes from Ireland to St. Louis.
Search flight deals

Frequently asked questions about flying from Ireland to St. Louis

  • When did momondo last update prices for flights from Ireland to Lambert-St Louis Airport?

    Prices for flights from Ireland to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from Ireland to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
St. Peters
Maryland Heights
Alton
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Fenton
Festus
Edwardsville
Wentzville
Eureka
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ireland to St. Louis?

Once you have performed a search for Ireland to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ireland to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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