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Cheap flights from St. Louis to Ireland from $422

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Ireland departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Ireland

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Ireland that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Ireland.

Cheap last minute flights

Planning a quick getaway from St. Louis to Ireland? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ireland, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Ireland

Find recent round-trip train or bus tickets from St. Louis to Ireland.

All round-trip flight deals to Ireland

The cheapest plane tickets to Ireland found on KAYAK recently.
8:25 am - 10:05 amSTL-DUB
19h 40m1 stop
9:00 am - 2:25 pmDUB-STL
35h 25m2 stops
$511United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
11:20 am - 10:05 amSTL-DUB
16h 45m2 stops
9:00 am - 2:25 pmDUB-STL
35h 25m2 stops
$516United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
6:30 am - 7:10 amSTL-DUB
18h 40m2 stops
9:00 am - 3:06 pmDUB-STL
12h 06m1 stop
$529Air Canada
Find Deal
Tue, Dec 3 - Wed, Dec 11
1:46 pm - 8:40 amSTL-DUB
12h 54m1 stop
2:05 pm - 9:53 pmDUB-STL
13h 48m1 stop
$538Iberia
Find Deal
Tue, Dec 3 - Tue, Dec 10
11:05 am - 10:15 amSTL-DUB
17h 10m2 stops
2:05 pm - 9:53 pmDUB-STL
13h 48m1 stop
$550Iberia
Find Deal
Tue, Dec 3 - Thu, Dec 12
2:10 pm - 8:40 amSTL-DUB
12h 30m1 stop
2:05 pm - 10:09 pmDUB-STL
14h 04m2 stops
$552American Airlines
Find Deal
Wed, Jan 15 - Tue, Jan 21
6:30 am - 7:10 amSTL-DUB
18h 40m2 stops
9:00 am - 3:06 pmDUB-STL
12h 06m1 stop
$585Air Canada
Find Deal
Thu, Jan 9 - Wed, Jan 15
2:10 pm - 8:40 amSTL-DUB
12h 30m1 stop
2:05 pm - 10:04 pmDUB-STL
13h 59m2 stops
$602American Airlines
Find Deal
Fri, Feb 14 - Thu, Feb 20
11:35 am - 5:15 amSTL-DUB
11h 40m1 stop
11:30 am - 7:03 pmDUB-STL
13h 33m1 stop
$710Aer Lingus
Find Deal
Mon, Nov 25 - Wed, Dec 4
5:45 am - 5:15 amSTL-DUB
17h 30m1 stop
11:30 am - 10:05 pmDUB-STL
16h 35m1 stop
$738Aer Lingus
Find Deal
Mon, Dec 9 - Tue, Dec 17
6:00 am - 8:25 amSTL-DUB
20h 25m2 stops
$422Delta
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Mon, Dec 2
5:45 am - 7:55 amSTL-DUB
44h 10m2 stops
$430British Airways
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Sun, Dec 1
6:32 pm - 3:45 pmSTL-DUB
39h 13m3 stops
Mon, Dec 2
1:34 pm - 7:05 pmSTL-DUB
47h 31m3 stops
Sun, Dec 1
1:00 pm - 4:40 pmSTL-DUB
21h 40m3 stops
Sat, Nov 30
7:15 am - 8:25 amSTL-DUB
19h 10m2 stops
$661Delta
Find Deal
Sat, Nov 30
9:30 am - 4:15 amSTL-DUB
12h 45m2 stops
11:30 am - 3:14 pmDUB-STL
33h 44m1 stop
$1,396American Airlines
Find Deal
Fri, Nov 22 - Thu, Nov 28
9:30 am - 4:15 amSTL-DUB
12h 45m2 stops
12:30 pm - 8:49 amDUB-STL
26h 19m2 stops
$1,405American Airlines
Find Deal
Fri, Nov 22 - Thu, Nov 28
3:45 pm - 11:30 amSTL-DUB
13h 45m1 stop
5:25 pm - 1:55 pmDUB-STL
26h 30m1 stop
$1,529Lufthansa
Find Deal
Fri, Nov 22 - Thu, Nov 28
3:50 pm - 1:35 pmSTL-DUB
15h 45m2 stops
2:15 pm - 12:19 pmDUB-STL
28h 04m3 stops
$2,107Air Canada
Find Deal
Fri, Nov 22 - Thu, Nov 28
3:50 pm - 1:35 pmSTL-DUB
15h 45m2 stops
2:15 pm - 12:19 pmDUB-STL
28h 04m3 stops
$2,598
Find Deal
Fri, Nov 22 - Thu, Nov 28

United Airlines flights from St. Louis to Ireland

Our best United Airlines deals on St. Louis to Ireland flight tickets
United Airlines
Dec 4
STL8:25 amLambert-St Louis
19h 40m
1 stop
DUB10:05 amDublin
Dec 11
DUB9:00 amDublin
35h 25m
2 stops
STL2:25 pmLambert-St Louis
United Airlines
Dec 4
STL11:20 amLambert-St Louis
16h 45m
2 stops
DUB10:05 amDublin
Dec 11
DUB9:00 amDublin
35h 25m
2 stops
STL2:25 pmLambert-St Louis
United Airlines
Jan 7
STL6:30 amLambert-St Louis
18h 40m
2 stops
DUB7:10 amDublin
Jan 15
DUB9:00 amDublin
12h 06m
1 stop
STL3:06 pmLambert-St Louis

Air Canada flights from St. Louis to Ireland

Our best Air Canada deals on St. Louis to Ireland flight tickets
Air Canada
Dec 3
STL6:30 amLambert-St Louis
18h 40m
2 stops
DUB7:10 amDublin
Dec 11
DUB9:00 amDublin
12h 06m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Jan 9
STL6:30 amLambert-St Louis
18h 40m
2 stops
DUB7:10 amDublin
Jan 15
DUB9:00 amDublin
12h 06m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Jan 18
STL11:30 amLambert-St Louis
13h 40m
2 stops
DUB7:10 amDublin
Jan 25
DUB9:00 amDublin
36h 38m
2 stops
STL3:38 pmLambert-St Louis

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 airline that flies to Ireland from St. Louis?

British Airways. British Airways, KLM, and Iberia are the most popular carriers operating from St. Louis to Ireland

What is the cheapest St. Louis to Ireland flight route?

Lambert-St Louis - Dublin. Fly from Lambert-St Louis to Dublin for the best St. Louis - Ireland flight prices

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

No. A direct flight is the cheapest option for a flight between St. Louis to Ireland.

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

$422

Fastest flight time

10h 20m

Direct flights

None

Airports in Ireland

1 airport
The best one-way flight to Ireland from St. Louis in the past 72 hours is $422. The best round-trip flight deal from St. Louis to Ireland found on momondo in the last 72 hours is $511.
The fastest flight from St. Louis to Ireland takes 10h 20m
There are no direct flights from St. Louis to Ireland. Popular non-direct route for this connection is Lambert-St Louis Airport - Dublin Airport.
There is 1 airport near Ireland: Dublin (DUB)

  • 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
United AirlinesPriceFrom $488Free CancellationRating
7.4
9,168 reviews
Search United Airlines flights
Air CanadaPriceFrom $494Free CancellationRating
7.0
8,230 reviews
Search Air Canada flights
British AirwaysPriceFrom $500Free CancellationRating
6.6
6,838 reviews
Search British Airways flights
IberiaPriceFrom $503Free CancellationRating
7.0
2,662 reviews
Search Iberia flights
American AirlinesPriceFrom $503Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $505Free CancellationRating
8.0
8,766 reviews
Search Delta flights
KLMPriceFrom $532Free CancellationRating
7.8
1,350 reviews
Search KLM flights
LufthansaPriceFrom $560Free CancellationRating
6.8
7,155 reviews
Search Lufthansa flights
Aer LingusPriceFrom $930Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus 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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