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Cheap flights from St. Louis to Ireland from $344

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 5/30. 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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0 bags

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Find the cheapest flights from St. Louis to Ireland

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Ireland.
Scandinavian Airlines Logo
1:30 pm - 11:50 amSTL-DUB
40h 20m2 stops
Scandinavian Airlines Logo
12:30 pm - 11:39 pmDUB-STL
40h 09m2 stops
$657Scandinavian Airlines
Find Deal
Mi, Okt 22 - Mo, Okt 27
United Airlines Logo
5:29 pm - 9:45 amSTL-DUB
10h 16m1 stop
United Airlines Logo
9:50 am - 12:36 pmDUB-STL
32h 46m1 stop
$661United Airlines
Find Deal
Mo, Mai 12 - Mi, Mai 28
Air Canada Logo
4:00 pm - 7:45 amSTL-DUB
33h 45m2 stops
Air Canada Logo
9:50 am - 3:21 pmDUB-STL
11h 31m1 stop
$673Air Canada
Find Deal
Sa, Jul 19 - Fr, Aug 1
Air Canada Logo
8:00 am - 7:45 amSTL-DUB
17h 45m2 stops
Air Canada Logo
9:50 am - 10:45 pmDUB-STL
18h 55m2 stops
$681Air Canada
Find Deal
So, Jul 20 - Fr, Aug 1
Iberia Logo
4:12 pm - 9:45 amSTL-DUB
11h 33m1 stop
Iberia Logo
9:15 am - 10:16 amDUB-STL
30h 01m2 stops
$723Iberia
Find Deal
Mi, Okt 22 - Mo, Okt 27
Iberia Logo
2:01 pm - 9:45 amSTL-DUB
13h 44m1 stop
Iberia Logo
12:40 pm - 10:27 pmDUB-STL
15h 47m1 stop
$764Iberia
Find Deal
Do, Sep 11 - So, Sep 21
American Airlines Logo
4:28 pm - 3:15 pmSTL-ORK
16h 47m2 stops
American Airlines Logo
11:45 am - 11:59 pmORK-STL
18h 14m2 stops
$908American Airlines
Find Deal
Mo, Jul 7 - Fr, Jul 18
American Airlines Logo
5:14 pm - 3:15 pmSTL-ORK
16h 01m2 stops
American Airlines Logo
7:20 am - 6:56 pmORK-STL
17h 36m2 stops
$933American Airlines
Find Deal
Mo, Jul 14 - Fr, Jul 25
Aer Lingus Logo
1:38 pm - 8:10 amSTL-DUB
12h 32m2 stops
Aer Lingus Logo
11:35 am - 6:33 pmDUB-STL
12h 58m1 stop
$962Aer Lingus
Find Deal
Mo, Mai 5 - So, Mai 18
Aer Lingus Logo
6:10 am - 10:45 amSTL-ORK
22h 35m2 stops
Aer Lingus Logo
6:30 pm - 8:23 pmORK-STL
31h 53m3 stops
$1,541Aer Lingus
Find Deal
Fr, Jul 18 - Di, Jul 29

Scandinavian Airlines flights from St. Louis to Ireland

Our best Scandinavian Airlines deals on St. Louis to Ireland flight tickets
Scandinavian Airlines
Oct 22
STL1:30 pmLambert-St Louis
40h 20m
2 stops
DUB11:50 amDublin
Oct 27
DUB12:30 pmDublin
40h 09m
2 stops
STL11:39 pmLambert-St Louis
Scandinavian Airlines
Apr 26
STL12:47 pmLambert-St Louis
21h 23m
2 stops
DUB4:10 pmDublin
May 4
DUB5:00 pmDublin
33h 39m
2 stops
STL8:39 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
Jul 19
STL4:00 pmLambert-St Louis
33h 45m
2 stops
DUB7:45 amDublin
Aug 1
DUB9:50 amDublin
11h 31m
1 stop
STL3:21 pmLambert-St Louis
Air Canada
Jul 20
STL8:00 amLambert-St Louis
17h 45m
2 stops
DUB7:45 amDublin
Aug 1
DUB9:50 amDublin
18h 55m
2 stops
STL10:45 pmLambert-St Louis
Air Canada
Jul 19
STL4:00 pmLambert-St Louis
33h 45m
2 stops
DUB7:45 amDublin
Aug 1
DUB9:50 amDublin
18h 55m
2 stops
STL10:45 pmLambert-St Louis

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, November 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 $659. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $698.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $865. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Ireland on a Saturday will generally be more expensive and average around $972. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the evening. momondo users have found flights departing from St. Louis to Ireland in the evening for as low as $556. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is at noon when prices are around $1,057.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from St. Louis when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $914 when searching 22 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 $753 on momondo.

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

$344

Fastest flight time

9h 35m

Direct flights

None

Airports in Ireland

3 airports
The best one-way flight to Ireland from St. Louis in the past 72 hours is $344. The best round-trip flight deal from St. Louis to Ireland found on momondo in the last 72 hours is $657.
The fastest flight from St. Louis to Ireland takes 9h 35m
There are no direct flights from St. Louis to Ireland. Popular non-direct routes for this connection are Lambert-St Louis Airport - Shannon Airport, Lambert-St Louis Airport - Dublin Airport and Lambert-St Louis Airport - Cork Airport.
There are 3 airports near Ireland: Dublin (DUB), Shannon (SNN), Cork (ORK)

  • 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
British AirwaysPriceFrom $451Free CancellationRating
6.6
6,809 reviews
Search British Airways flights
IberiaPriceFrom $491Free CancellationRating
7.0
2,686 reviews
Search Iberia flights
Air CanadaPriceFrom $493Free CancellationRating
7.0
9,198 reviews
Search Air Canada flights
United AirlinesPriceFrom $500Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
KLMPriceFrom $520Free CancellationRating
7.8
1,333 reviews
Search KLM flights
American AirlinesPriceFrom $544Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $560Free CancellationRating
6.7
7,030 reviews
Search Lufthansa flights
DeltaPriceFrom $567Free CancellationRating
8.0
7,920 reviews
Search Delta flights
Aer LingusPriceFrom $740Free CancellationRating
7.0
1,068 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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