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Cheap flights from Ireland to St. Louis from £315

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to St. Louis

Recent return flight deals from Ireland to St. Louis

Enter your travel dates to find the best prices.
Iberia Logo
11:30 - 22:42DUB  Dublin-STL Lambert-St Louis
17h 12m1 stop Philadelphia
Iberia Logo
13:05 - 09:10STL  Lambert-St Louis-DUB Dublin
14h 05m1 stop Philadelphia
£520Iberia
Thu, 17 Dec - Thu, 7 Jan
American Airlines Logo
11:30 - 19:52DUB  Dublin-STL Lambert-St Louis
14h 22m2 stops Philadelphia Chicago O'Hare Intl
American Airlines Logo
13:05 - 09:10STL  Lambert-St Louis-DUB Dublin
14h 05m1 stop Philadelphia
£547American Airlines
Thu, 17 Dec - Thu, 7 Jan
American Airlines Logo
11:30 - 19:30DUB  Dublin-STL Lambert-St Louis
14h 00m2 stops Philadelphia Charlotte Douglas
American Airlines Logo
14:11 - 09:10STL  Lambert-St Louis-DUB Dublin
12h 59m2 stops Chicago O'Hare Intl Philadelphia
£547American Airlines
Thu, 17 Dec - Thu, 7 Jan
Delta Logo
08:50 - 23:26DUB  Dublin-STL Lambert-St Louis
20h 36m2 stops Amsterdam Schiphol Minneapolis St Paul
Delta Logo
15:25 - 07:55STL  Lambert-St Louis-DUB Dublin
10h 30m1 stop Minneapolis St Paul
£549Delta
Tue, 8 Dec - Sun, 27 Dec
Delta Logo
05:45 - 23:26DUB  Dublin-STL Lambert-St Louis
23h 41m2 stops Amsterdam Schiphol Minneapolis St Paul
Delta Logo
11:15 - 07:55STL  Lambert-St Louis-DUB Dublin
14h 40m1 stop Minneapolis St Paul
£549Delta
Sun, 6 Dec - Fri, 25 Dec
Delta Logo
08:50 - 20:32DUB  Dublin-STL Lambert-St Louis
17h 42m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
Delta Logo
19:15 - 16:20STL  Lambert-St Louis-DUB Dublin
15h 05m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
£555Delta
Tue, 8 Dec - Sun, 27 Dec
KLM Logo
09:55 - 16:30DUB  Dublin-STL Lambert-St Louis
12h 35m1 stop Minneapolis St Paul
KLM Logo
11:15 - 07:55STL  Lambert-St Louis-DUB Dublin
14h 40m1 stop Minneapolis St Paul
£556KLM
Mon, 7 Dec - Fri, 25 Dec
KLM Logo
09:40 - 21:38DUB  Dublin-STL Lambert-St Louis
17h 58m1 stop Atlanta Hartsfield-Jackson
KLM Logo
15:25 - 07:55STL  Lambert-St Louis-DUB Dublin
10h 30m1 stop Minneapolis St Paul
£556KLM
Sun, 6 Dec - Sun, 27 Dec
United Airlines Logo
09:00 - 18:16DUB  Dublin-STL Lambert-St Louis
15h 16m2 stops Toronto Pearson Intl Chicago O'Hare Intl
United Airlines Logo
18:58 - 08:10STL  Lambert-St Louis-DUB Dublin
31h 12m1 stop Chicago O'Hare Intl
£848United Airlines
Thu, 10 Dec - Thu, 24 Dec
United Airlines Logo
09:00 - 22:59DUB  Dublin-STL Lambert-St Louis
19h 59m2 stops Toronto Pearson Intl Chicago O'Hare Intl
United Airlines Logo
17:08 - 08:10STL  Lambert-St Louis-DUB Dublin
33h 02m1 stop Chicago O'Hare Intl
£848United Airlines
Sun, 6 Dec - Thu, 24 Dec

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Delta flights from Ireland to St. Louis

Our best Delta deals on Ireland to St. Louis flight tickets
Delta
14 Nov
DUB05:45Dublin
20h 44m
2 stops
STL20:29Lambert-St Louis
27 Nov
STL06:40Lambert-St Louis
20h 05m
2 stops
DUB08:45Dublin
£527
Delta
14 Nov
DUB05:45Dublin
16h 56m
2 stops
STL16:41Lambert-St Louis
25 Nov
STL19:18Lambert-St Louis
30h 27m
1 stop
DUB07:45Dublin
£545
Delta
6 Dec
DUB05:45Dublin
23h 41m
2 stops
STL23:26Lambert-St Louis
25 Dec
STL11:15Lambert-St Louis
14h 40m
1 stop
DUB07:55Dublin
£549

KLM flights from Ireland to St. Louis

Our best KLM deals on Ireland to St. Louis flight tickets
KLM
11 Nov
DUB05:45Dublin
16h 46m
2 stops
STL16:31Lambert-St Louis
24 Nov
STL14:31Lambert-St Louis
11h 14m
1 stop
DUB07:45Dublin
£528
KLM
13 Nov
DUB13:25Dublin
16h 31m
2 stops
STL23:56Lambert-St Louis
23 Nov
STL12:29Lambert-St Louis
13h 16m
1 stop
DUB07:45Dublin
£532
KLM
11 Nov
DUB09:40Dublin
14h 33m
1 stop
STL18:13Lambert-St Louis
22 Nov
STL15:30Lambert-St Louis
10h 25m
1 stop
DUB07:55Dublin
£535

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 return flight

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 17/12

11:30-22:42

1 stop17h 12m

Lambert-St Louis

Thu 7/1

13:05-09:10

1 stop14h 05m

£520

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 17/12

11:30-19:52

2 stops14h 22m

Lambert-St Louis

Thu 7/1

13:05-09:10

1 stop14h 05m

£547
Fastest return journey

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 17/12

11:30-19:30

2 stops14h 00m

Lambert-St Louis

Thu 7/1

14:11-09:10

2 stops12h 59m

£547

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Tue 8/12

08:50-23:26

2 stops20h 36m

Lambert-St Louis

Sun 27/12

15:25-07:55

1 stop10h 30m

£549

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 6/12

05:45-23:26

2 stops23h 41m

Lambert-St Louis

Fri 25/12

11:15-07:55

1 stop14h 40m

£549

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Tue 8/12

08:50-20:32

2 stops17h 42m

Lambert-St Louis

Sun 27/12

19:15-16:20

2 stops15h 05m

£555

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Mon 7/12

09:55-16:30

1 stop12h 35m

Lambert-St Louis

Fri 25/12

11:15-07:55

1 stop14h 40m

£556

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 6/12

09:40-21:38

1 stop17h 58m

Lambert-St Louis

Sun 27/12

15:25-07:55

1 stop10h 30m

£556

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Thu 10/12

09:00-18:16

2 stops15h 16m

Lambert-St Louis

Thu 24/12

18:58-08:10

1 stop31h 12m

£848

DublinSt. Louis

DUB Dublin - STL Lambert-St Louis

DUBSTL

Dublin

Sun 6/12

09:00-22:59

2 stops19h 59m

Lambert-St Louis

Thu 24/12

17:08-08:10

1 stop33h 02m

£848

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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?

The month of April is, on average, the cheapest month to fly to St. Louis from Ireland, with most prices found around £733. If you’re not able to fly to St. Louis in April, then May is your next best option. Flight prices from Ireland to St. Louis during May average around £797.

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

You could potentially save up to 69% 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

£315

Direct flights

None
The best one-way flight to St. Louis from Ireland in the past 72 hours is £315. The best return flight deal from Ireland to St. Louis found on momondo in the last 72 hours is £520.
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 are updated daily.

  • How many operators does momondo search for flights from Ireland to Lambert-St Louis Airport?

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

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

    The required travel and health documents for your Lambert-St Louis 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 license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to St. Louis

Compare and see reviews for airlines that fly from Ireland to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom £650Free CancellationRating
7.3
10,474 reviews
Search United Airlines flights
Aer LingusPriceFrom £730Free CancellationRating
7.3
1,881 reviews
Search Aer Lingus flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Litchfield
Collinsville
Alton
Farmington

Why use momondo?

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

It is quick and easy to find Ireland to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

Yes. momondo allows you to filter the results for Ireland to St. Louis flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Ireland.

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

If you are not ready to book a flight from Ireland to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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