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Cheap flights from St. Louis to Ireland from $372

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:30 pm - 11:55 amSTL  Lambert-St Louis-DUB Dublin
14h 25m1 stop Frankfurt am Main
Lufthansa Logo
5:55 am - 1:25 pmDUB  Dublin-STL Lambert-St Louis
13h 30m1 stop Frankfurt am Main
$372Lufthansa
Fri, Apr 2 - Fri, Apr 16
Lufthansa Logo
4:40 pm - 4:30 pmSTL  Lambert-St Louis-DUB Dublin
18h 50m1 stop Frankfurt am Main
Lufthansa Logo
11:45 am - 1:25 pmDUB  Dublin-STL Lambert-St Louis
30h 40m1 stop Frankfurt am Main
$665Lufthansa
Sun, Mar 14 - Sat, Mar 27
United Airlines Logo
5:00 am - 8:10 amSTL  Lambert-St Louis-DUB Dublin
21h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
9:00 am - 3:58 pmDUB  Dublin-STL Lambert-St Louis
36h 58m2 stops Toronto Pearson Intl Newark
$690United Airlines
Mon, Feb 15 - Thu, Feb 18
United Airlines Logo
5:05 pm - 8:10 amSTL  Lambert-St Louis-DUB Dublin
33h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
9:00 am - 3:58 pmDUB  Dublin-STL Lambert-St Louis
36h 58m2 stops Toronto Pearson Intl Newark
$690United Airlines
Mon, Feb 15 - Thu, Feb 18
Multiple Airlines Logo
6:15 am - 7:10 amSTL  Lambert-St Louis-DUB Dublin
18h 55m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Multiple Airlines Logo
5:10 am - 1:45 pmDUB  Dublin-STL Lambert-St Louis
14h 35m1 stop Frankfurt am Main
$693Multiple Airlines
Wed, Feb 17 - Wed, Feb 24
Multiple Airlines Logo
4:05 pm - 8:15 amSTL  Lambert-St Louis-DUB Dublin
10h 10m1 stop Toronto Pearson Intl
Multiple Airlines Logo
5:55 am - 1:25 pmDUB  Dublin-STL Lambert-St Louis
13h 30m1 stop Frankfurt am Main
$693Multiple Airlines
Tue, Apr 13 - Tue, Apr 20
Air Canada Logo
6:15 am - 7:10 amSTL  Lambert-St Louis-DUB Dublin
18h 55m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
9:00 am - 12:06 pmDUB  Dublin-STL Lambert-St Louis
33h 06m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$703Air Canada
Sun, Feb 14 - Fri, Feb 26
Air Canada Logo
4:05 pm - 8:15 amSTL  Lambert-St Louis-DUB Dublin
10h 10m1 stop Toronto Pearson Intl
Air Canada Logo
9:50 am - 3:38 pmDUB  Dublin-STL Lambert-St Louis
35h 48m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$703Air Canada
Wed, Apr 14 - Fri, Apr 23
KLM Logo
7:05 am - 7:45 amSTL  Lambert-St Louis-DUB Dublin
18h 40m1 stop Atlanta Hartsfield-Jackson
KLM Logo
5:45 am - 4:40 pmDUB  Dublin-STL Lambert-St Louis
16h 55m2 stops Amsterdam Schiphol Minneapolis St Paul
$717KLM
Tue, Feb 16 - Tue, Feb 23
KLM Logo
7:05 am - 7:45 amSTL  Lambert-St Louis-DUB Dublin
18h 40m1 stop Atlanta Hartsfield-Jackson
KLM Logo
5:45 am - 4:40 pmDUB  Dublin-STL Lambert-St Louis
16h 55m2 stops Amsterdam Schiphol Minneapolis St Paul
$717KLM
Tue, Feb 16 - Wed, Feb 24

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British Airways flights from St. Louis to Ireland

Our best British Airways deals on St. Louis to Ireland flight tickets
British Airways
Apr 7
STL9:35 pmLambert-St Louis
28h 10m
1 stop
DUB7:45 amDublin
May 17
DUB8:30 pmDublin
29h 00m
1 stop
STL7:30 pmLambert-St Louis
$730
British Airways
Nov 9
STL1:20 pmLambert-St Louis
14h 35m
2 stops
DUB9:55 amDublin
Nov 18
DUB10:30 amDublin
17h 45m
2 stops
STL10:15 pmLambert-St Louis
$808
British Airways
Nov 12
STL11:35 amLambert-St Louis
16h 20m
2 stops
DUB9:55 amDublin
Nov 17
DUB8:50 amDublin
19h 25m
2 stops
STL10:15 pmLambert-St Louis
$858

Lufthansa flights from St. Louis to Ireland

Our best Lufthansa deals on St. Louis to Ireland flight tickets
Lufthansa
Apr 2
STL3:30 pmLambert-St Louis
14h 25m
1 stop
DUB11:55 amDublin
Apr 16
DUB5:55 amDublin
13h 30m
1 stop
STL1:25 pmLambert-St Louis
$372
Lufthansa
Mar 14
STL4:40 pmLambert-St Louis
18h 50m
1 stop
DUB4:30 pmDublin
Mar 27
DUB11:45 amDublin
30h 40m
1 stop
STL1:25 pmLambert-St Louis
$665
Lufthansa
Apr 12
STL6:45 pmLambert-St Louis
16h 10m
2 stops
DUB4:55 pmDublin
Apr 20
DUB5:55 amDublin
13h 30m
1 stop
STL1:25 pmLambert-St Louis
$696

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Fri 4/2

3:30 pm-11:55 am

1 stop14h 25m

Dublin

Fri 4/16

5:55 am-1:25 pm

1 stop13h 30m

$372

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sun 3/14

4:40 pm-4:30 pm

1 stop18h 50m

Dublin

Sat 3/27

11:45 am-1:25 pm

1 stop30h 40m

$665

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 2/15

5:00 am-8:10 am

1 stop21h 10m

Dublin

Thu 2/18

9:00 am-3:58 pm

2 stops36h 58m

$690

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 2/15

5:05 pm-8:10 am

1 stop33h 05m

Dublin

Thu 2/18

9:00 am-3:58 pm

2 stops36h 58m

$690

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Wed 2/17

6:15 am-7:10 am

2 stops18h 55m

Dublin

Wed 2/24

5:10 am-1:45 pm

1 stop14h 35m

$693
Quickest round-trip

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 4/13

4:05 pm-8:15 am

1 stop10h 10m

Dublin

Tue 4/20

5:55 am-1:25 pm

1 stop13h 30m

$693

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sun 2/14

6:15 am-7:10 am

2 stops18h 55m

Dublin

Fri 2/26

9:00 am-12:06 pm

2 stops33h 06m

$703

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Wed 4/14

4:05 pm-8:15 am

1 stop10h 10m

Dublin

Fri 4/23

9:50 am-3:38 pm

2 stops35h 48m

$703

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 2/16

7:05 am-7:45 am

1 stop18h 40m

Dublin

Tue 2/23

5:45 am-4:40 pm

2 stops16h 55m

$717

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 2/16

7:05 am-7:45 am

1 stop18h 40m

Dublin

Wed 2/24

5:45 am-4:40 pm

2 stops16h 55m

$717

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 Ireland from

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

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 Ireland?

In general, September is the cheapest month to fly from St. Louis to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $434. If you aren’t able to travel to Ireland during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $498.

How far in advance should I book a flight from St. Louis to Ireland?

You are more likely to see cheaper flights to Ireland from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $752 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from St. Louis for as low as $482 on momondo.

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

You could potentially save up to 76% on your flight if you consider stops on a St. Louis to Ireland flight.

Cheap St. Louis to Ireland flight deals and tips

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

Best Price Found

$388

Fastest flight time

10h 10m

Direct flights

None
The best one-way flight to Ireland from St. Louis in the past 72 hours is $388. The best round-trip flight deal from St. Louis to Ireland found on momondo in the last 72 hours is $372.
The fastest flight from St. Louis to Ireland takes 10h 10m
There are no direct flights from St. Louis to Ireland. There are no popular flight routes from St. Louis to Ireland.
Search flight deals

Frequently asked questions about flying from St. Louis to Ireland

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

    Prices for flights from Lambert-St Louis Airport to Ireland are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents required for your trip to Ireland 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 Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Ireland

Compare and see reviews for airlines that fly from St. Louis to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $325Free CancellationRating
7.3
1,880 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $429Free CancellationRating
6.7
8,282 reviews
Search British Airways flights
LufthansaPriceFrom $430Free CancellationRating
6.8
8,299 reviews
Search Lufthansa flights
Air CanadaPriceFrom $474Free CancellationRating
7.1
11,853 reviews
Search Air Canada flights
American AirlinesPriceFrom $482Free CancellationRating
7.0
12,233 reviews
Search American Airlines flights
DeltaPriceFrom $484Free CancellationRating
7.8
8,698 reviews
Search Delta flights
United AirlinesPriceFrom $489Free CancellationRating
7.3
10,461 reviews
Search United Airlines flights
KLMPriceFrom $538Free CancellationRating
7.8
1,595 reviews
Search KLM flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Ireland. momondo saves you time and could save you money on your trip.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Ireland.

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

Price alerts on flights to Ireland from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Ireland

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