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Cheap flights from Ireland to St. Louis from $368

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.
Iberia Logo
11:30 am - 10:42 pmDUB  Dublin-STL Lambert-St Louis
17h 12m1 stop Philadelphia
Iberia Logo
1:05 pm - 9:10 amSTL  Lambert-St Louis-DUB Dublin
14h 05m1 stop Philadelphia
$695Iberia
Thu, Dec 17 - Thu, Jan 7
American Airlines Logo
11:30 am - 7:52 pmDUB  Dublin-STL Lambert-St Louis
14h 22m2 stops Philadelphia Chicago O'Hare Intl
American Airlines Logo
1:05 pm - 9:10 amSTL  Lambert-St Louis-DUB Dublin
14h 05m1 stop Philadelphia
$730American Airlines
Thu, Dec 17 - Thu, Jan 7
Delta Logo
8:50 am - 11:26 pmDUB  Dublin-STL Lambert-St Louis
20h 36m2 stops Amsterdam Schiphol Minneapolis St Paul
Delta Logo
3:25 pm - 7:55 amSTL  Lambert-St Louis-DUB Dublin
10h 30m1 stop Minneapolis St Paul
$733Delta
Tue, Dec 8 - Sun, Dec 27
American Airlines Logo
11:30 am - 8:31 pmDUB  Dublin-STL Lambert-St Louis
15h 01m1 stop Philadelphia
American Airlines Logo
1:05 pm - 9:10 amSTL  Lambert-St Louis-DUB Dublin
14h 05m1 stop Philadelphia
$736American Airlines
Thu, Jan 14 - Mon, Jan 18
American Airlines Logo
11:30 am - 8:26 pmDUB  Dublin-STL Lambert-St Louis
14h 56m1 stop Philadelphia
American Airlines Logo
9:03 am - 8:40 amSTL  Lambert-St Louis-DUB Dublin
17h 37m2 stops Charlotte Douglas Philadelphia
$738American Airlines
Sun, Nov 15 - Tue, Nov 24
American Airlines Logo
11:30 am - 8:31 pmDUB  Dublin-STL Lambert-St Louis
15h 01m1 stop Philadelphia
American Airlines Logo
10:27 am - 9:10 amSTL  Lambert-St Louis-DUB Dublin
16h 43m2 stops Charlotte Douglas Philadelphia
$741American Airlines
Wed, Jan 27 - Sun, Jan 31
Multiple Airlines Logo
11:55 am - 11:39 pmDUB  Dublin-STL Lambert-St Louis
17h 44m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:00 am - 7:45 amSTL  Lambert-St Louis-DUB Dublin
17h 45m1 stop Atlanta Hartsfield-Jackson
$742Multiple Airlines
Sat, Mar 13 - Sun, Mar 21
KLM Logo
9:40 am - 9:38 pmDUB  Dublin-STL Lambert-St Louis
17h 58m1 stop Atlanta Hartsfield-Jackson
KLM Logo
3:25 pm - 7:55 amSTL  Lambert-St Louis-DUB Dublin
10h 30m1 stop Minneapolis St Paul
$743KLM
Sun, Dec 6 - Sun, Dec 27
KLM Logo
1:25 pm - 12:05 amDUB  Dublin-STL Lambert-St Louis
16h 40m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
KLM Logo
7:15 pm - 4:20 pmSTL  Lambert-St Louis-DUB Dublin
15h 05m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$746KLM
Mon, Dec 7 - Sun, Dec 27
Multiple Airlines Logo
6:00 am - 5:20 pmDUB  Dublin-STL Lambert-St Louis
17h 20m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
Multiple Airlines Logo
7:15 pm - 4:20 pmSTL  Lambert-St Louis-DUB Dublin
15h 05m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
$747Multiple Airlines
Sun, Dec 6 - Sun, Dec 27

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British Airways flights from Ireland to St. Louis

Our best British Airways deals on Ireland to St. Louis flight tickets
British Airways
Dec 18
DUB7:00 amDublin
21h 50m
2 stops
STL10:50 pmLambert-St Louis
Jan 5
STL4:32 pmLambert-St Louis
13h 38m
2 stops
DUB12:10 pmDublin
$777
British Airways
Dec 17
DUB3:00 pmDublin
24h 28m
2 stops
STL9:28 amLambert-St Louis
Jan 5
STL4:41 pmLambert-St Louis
18h 14m
2 stops
DUB4:55 pmDublin
$810
British Airways
Dec 17
DUB3:00 pmDublin
24h 28m
2 stops
STL9:28 amLambert-St Louis
Jan 5
STL6:12 amLambert-St Louis
20h 58m
1 stop
DUB9:10 amDublin
$815

American Airlines flights from Ireland to St. Louis

Our best American Airlines deals on Ireland to St. Louis flight tickets
American Airlines
Nov 12
DUB12:55 pmDublin
13h 27m
1 stop
STL8:22 pmLambert-St Louis
Nov 25
STL12:56 pmLambert-St Louis
12h 14m
1 stop
DUB7:10 amDublin
$714
American Airlines
Dec 17
DUB11:30 amDublin
14h 00m
2 stops
STL7:30 pmLambert-St Louis
Jan 7
STL2:11 pmLambert-St Louis
12h 59m
2 stops
DUB9:10 amDublin
$730
American Airlines
Jan 14
DUB11:30 amDublin
15h 01m
1 stop
STL8:31 pmLambert-St Louis
Jan 18
STL1:05 pmLambert-St Louis
14h 05m
1 stop
DUB9:10 amDublin
$736

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

Thu 12/17

11:30 am-10:42 pm

1 stop17h 12m

Lambert-St Louis

Thu 1/7

1:05 pm-9:10 am

1 stop14h 05m

$695
Quickest round-trip

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 12/17

11:30 am-7:52 pm

2 stops14h 22m

Lambert-St Louis

Thu 1/7

1:05 pm-9:10 am

1 stop14h 05m

$730

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Tue 12/8

8:50 am-11:26 pm

2 stops20h 36m

Lambert-St Louis

Sun 12/27

3:25 pm-7:55 am

1 stop10h 30m

$733

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 1/14

11:30 am-8:31 pm

1 stop15h 01m

Lambert-St Louis

Mon 1/18

1:05 pm-9:10 am

1 stop14h 05m

$736

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 11/15

11:30 am-8:26 pm

1 stop14h 56m

Lambert-St Louis

Tue 11/24

9:03 am-8:40 am

2 stops17h 37m

$738

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Wed 1/27

11:30 am-8:31 pm

1 stop15h 01m

Lambert-St Louis

Sun 1/31

10:27 am-9:10 am

2 stops16h 43m

$741

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sat 3/13

11:55 am-11:39 pm

2 stops17h 44m

Lambert-St Louis

Sun 3/21

9:00 am-7:45 am

1 stop17h 45m

$742

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 12/6

9:40 am-9:38 pm

1 stop17h 58m

Lambert-St Louis

Sun 12/27

3:25 pm-7:55 am

1 stop10h 30m

$743

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Mon 12/7

1:25 pm-12:05 am

2 stops16h 40m

Lambert-St Louis

Sun 12/27

7:15 pm-4:20 pm

2 stops15h 05m

$746

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 12/6

6:00 am-5:20 pm

2 stops17h 20m

Lambert-St Louis

Sun 12/27

7:15 pm-4:20 pm

2 stops15h 05m

$747

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 28% 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

$368

Fastest flight time

13h 27m

Direct flights

None
The best one-way flight to St. Louis from Ireland in the past 72 hours is $368. The best round-trip flight deal from Ireland to St. Louis found on momondo in the last 72 hours is $695.
The fastest flight from Ireland to St. Louis takes 13h 27m
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
Maryland Heights
St. Peters
Alton
Collinsville
Farmington
Florissant
Festus
Hermann
Clayton
Fenton
Edwardsville
O'Fallon
Eureka
Wentzville
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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