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Cheap flights from St. Louis to Ireland from $319

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.
Air Canada Logo
6:55 pm - 7:10 amSTL  Lambert-St Louis-DUB Dublin
30h 15m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
9:00 am - 12:22 pmDUB  Dublin-STL Lambert-St Louis
33h 22m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$537Air Canada
Tue, Dec 8 - Tue, Dec 15
United Airlines Logo
5:25 am - 8:10 amSTL  Lambert-St Louis-DUB Dublin
20h 45m1 stop Chicago O'Hare Intl
United Airlines Logo
9:00 am - 3:26 pmDUB  Dublin-STL Lambert-St Louis
12h 26m1 stop Toronto Pearson Intl
$542United Airlines
Tue, Dec 8 - Tue, Dec 15
British Airways Logo
5:29 pm - 7:45 pmSTL  Lambert-St Louis-DUB Dublin
20h 16m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
8:50 am - 11:59 pmDUB  Dublin-STL Lambert-St Louis
21h 09m2 stops London Heathrow Chicago O'Hare Intl
$549British Airways
Tue, Dec 1 - Tue, Dec 8
British Airways Logo
5:29 pm - 3:25 pmSTL  Lambert-St Louis-DUB Dublin
15h 56m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
9:00 am - 7:22 pmDUB  Dublin-STL Lambert-St Louis
16h 22m2 stops London Heathrow Chicago O'Hare Intl
$549British Airways
Mon, Nov 9 - Wed, Nov 18
Multiple Airlines Logo
6:55 pm - 7:10 amSTL  Lambert-St Louis-DUB Dublin
30h 15m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Multiple Airlines Logo
9:00 am - 3:26 pmDUB  Dublin-STL Lambert-St Louis
12h 26m1 stop Toronto Pearson Intl
$550Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
American Airlines Logo
5:40 pm - 8:40 amSTL  Lambert-St Louis-DUB Dublin
10h 00m1 stop Philadelphia
American Airlines Logo
12:55 pm - 9:59 pmDUB  Dublin-STL Lambert-St Louis
15h 04m1 stop Dallas/Fort Worth
$556American Airlines
Sun, Oct 25 - Fri, Nov 6
United Airlines Logo
11:00 am - 9:55 amSTL  Lambert-St Louis-DUB Dublin
16h 55m1 stop Newark
United Airlines Logo
10:40 am - 4:24 pmDUB  Dublin-STL Lambert-St Louis
11h 44m1 stop Chicago O'Hare Intl
$556United Airlines
Tue, Dec 1 - Tue, Dec 8
American Airlines Logo
1:21 pm - 8:40 amSTL  Lambert-St Louis-DUB Dublin
13h 19m1 stop Philadelphia
American Airlines Logo
11:30 am - 9:34 pmDUB  Dublin-STL Lambert-St Louis
16h 04m2 stops Philadelphia Washington, D.C. Reagan-National
$560American Airlines
Tue, Dec 1 - Tue, Dec 8
Iberia Logo
2:00 pm - 8:30 amSTL  Lambert-St Louis-DUB Dublin
12h 30m1 stop Philadelphia
Iberia Logo
11:30 am - 10:58 pmDUB  Dublin-STL Lambert-St Louis
17h 28m1 stop Philadelphia
$592Iberia
Tue, Feb 23 - Sun, Feb 28
Air Canada Logo
8:30 am - 7:10 amSTL  Lambert-St Louis-DUB Dublin
16h 40m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
9:00 am - 11:24 pmDUB  Dublin-STL Lambert-St Louis
20h 24m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$651Air Canada
Sat, Nov 7 - Sat, Nov 14

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American Airlines flights from St. Louis to Ireland

Our best American Airlines deals on St. Louis to Ireland flight tickets
American Airlines
Oct 25
STL5:40 pmLambert-St Louis
10h 00m
1 stop
DUB8:40 amDublin
Nov 6
DUB12:55 pmDublin
15h 04m
1 stop
STL9:59 pmLambert-St Louis
$556
American Airlines
Feb 23
STL2:00 pmLambert-St Louis
13h 40m
2 stops
DUB9:40 amDublin
Feb 28
DUB11:30 amDublin
16h 01m
2 stops
STL9:31 pmLambert-St Louis
$608
American Airlines
Nov 7
STL12:58 pmLambert-St Louis
12h 12m
1 stop
DUB7:10 amDublin
Nov 14
DUB11:30 amDublin
14h 56m
1 stop
STL8:26 pmLambert-St Louis
$656

United Airlines flights from St. Louis to Ireland

Our best United Airlines deals on St. Louis to Ireland flight tickets
United Airlines
Dec 8
STL5:25 amLambert-St Louis
20h 45m
1 stop
DUB8:10 amDublin
Dec 15
DUB9:00 amDublin
12h 26m
1 stop
STL3:26 pmLambert-St Louis
$542
United Airlines
Oct 26
STL1:08 pmLambert-St Louis
15h 47m
2 stops
DUB9:55 amDublin
Nov 4
DUB9:30 amDublin
15h 53m
2 stops
STL7:23 pmLambert-St Louis
$560
United Airlines
Oct 25
STL7:30 amLambert-St Louis
17h 40m
2 stops
DUB6:10 amDublin
Nov 6
DUB1:35 pmDublin
14h 25m
1 stop
STL10:00 pmLambert-St Louis
$564

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

Tue 12/8

6:55 pm-7:10 am

2 stops30h 15m

Dublin

Tue 12/15

9:00 am-12:22 pm

2 stops33h 22m

$537

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/8

5:25 am-8:10 am

1 stop20h 45m

Dublin

Tue 12/15

9:00 am-3:26 pm

1 stop12h 26m

$542

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/1

5:29 pm-7:45 pm

2 stops20h 16m

Dublin

Tue 12/8

8:50 am-11:59 pm

2 stops21h 09m

$549

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Mon 11/9

5:29 pm-3:25 pm

2 stops15h 56m

Dublin

Wed 11/18

9:00 am-7:22 pm

2 stops16h 22m

$549

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/8

6:55 pm-7:10 am

2 stops30h 15m

Dublin

Tue 12/15

9:00 am-3:26 pm

1 stop12h 26m

$550
Quickest round-trip

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sun 10/25

5:40 pm-8:40 am

1 stop10h 00m

Dublin

Fri 11/6

12:55 pm-9:59 pm

1 stop15h 04m

$556

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/1

11:00 am-9:55 am

1 stop16h 55m

Dublin

Tue 12/8

10:40 am-4:24 pm

1 stop11h 44m

$556

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 12/1

1:21 pm-8:40 am

1 stop13h 19m

Dublin

Tue 12/8

11:30 am-9:34 pm

2 stops16h 04m

$560

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Tue 2/23

2:00 pm-8:30 am

1 stop12h 30m

Dublin

Sun 2/28

11:30 am-10:58 pm

1 stop17h 28m

$592

St. LouisDublin

STL Lambert-St Louis - DUB Dublin

STLDUB

Lambert-St Louis

Sat 11/7

8:30 am-7:10 am

2 stops16h 40m

Dublin

Sat 11/14

9:00 am-11:24 pm

2 stops20h 24m

$651

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 $423. 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 $489.

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 $740 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 $503 on momondo.

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

You could potentially save up to 65% 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

$319

Fastest flight time

11h 55m

Direct flights

None
The best one-way flight to Ireland from St. Louis in the past 72 hours is $319. The best round-trip flight deal from St. Louis to Ireland found on momondo in the last 72 hours is $537.
The fastest flight from St. Louis to Ireland takes 11h 55m
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
1,798 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $429Free CancellationRating
6.7
8,239 reviews
Search British Airways flights
LufthansaPriceFrom $430Free CancellationRating
6.8
8,248 reviews
Search Lufthansa flights
Air CanadaPriceFrom $474Free CancellationRating
7.1
11,703 reviews
Search Air Canada flights
American AirlinesPriceFrom $482Free CancellationRating
7.0
12,099 reviews
Search American Airlines flights
DeltaPriceFrom $484Free CancellationRating
7.8
8,610 reviews
Search Delta flights
United AirlinesPriceFrom $489Free CancellationRating
7.4
10,251 reviews
Search United Airlines flights
KLMPriceFrom $538Free CancellationRating
7.8
1,577 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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