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Cheap flights from Ireland to St. Louis from $738

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to St. Louis departing on 5/17. 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 Ireland to St. Louis

Cheap round-trip flights

Recommended round-trip deals departing in the coming months from the most popular airlines that fly to St. Louis.

Cheap one-way flights

Only flying one-way? Below are some of the best one-way flight deals to St. Louis found on KAYAK recently.

Cheap last minute flights

Leaving soon but still want a bargain? Check out these latest deals for last minute flights to St. Louis.

Cheap direct flights

The latest deals for direct flights to St. Louis so you can sit back and relax without the need for a layover.

Cheap bus & train deals to St. Louis

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

All round-trip flight deals from Ireland to St. Louis

The cheapest plane tickets from Ireland to St. Louis found on KAYAK recently.
8:50 am - 9:49 pmDUB-STL
18h 59m2 stops
11:50 am - 3:40 pmSTL-DUB
21h 50m2 stops
$756Delta
Find Deal
lun., feb. 3 - dom., feb. 16
2:05 pm - 8:41 pmDUB-STL
12h 36m1 stop
11:57 am - 9:50 amSTL-DUB
15h 53m2 stops
lun., feb. 3 - dom., feb. 16
5:55 am - 4:37 pmDUB-STL
16h 42m2 stops
7:10 pm - 8:45 amSTL-DUB
31h 35m1 stop
$762KLM
Find Deal
lun., mar. 3 - dom., mar. 30
5:55 am - 4:53 pmDUB-STL
16h 58m2 stops
10:15 am - 9:45 amSTL-DUB
18h 30m1 stop
$765KLM
Find Deal
dom., feb. 23 - dom., mar. 9
8:50 am - 10:17 pmDUB-STL
19h 27m2 stops
6:50 am - 8:05 amSTL-DUB
20h 15m2 stops
$766Delta
Find Deal
dom., feb. 23 - dom., mar. 9
2:05 pm - 12:57 pmDUB-STL
28h 52m1 stop
2:10 pm - 8:40 amSTL-DUB
12h 30m1 stop
$768American Airlines
Find Deal
lun., feb. 3 - dom., feb. 16
2:05 pm - 8:42 pmDUB-STL
12h 37m1 stop
5:55 am - 5:15 amSTL-DUB
18h 20m1 stop
$776Aer Lingus
Find Deal
lun., mar. 3 - lun., mar. 10
7:10 pm - 11:36 pmDUB-STL
34h 26m2 stops
4:45 pm - 9:20 amSTL-DUB
35h 35m2 stops
$799Scandinavian Airlines
Find Deal
vie., mar. 7 - vie., mar. 14
1:05 pm - 10:14 pmDUB-STL
15h 09m2 stops
11:55 am - 5:05 amSTL-DUB
12h 10m2 stops
$914American Airlines
Find Deal
jue., mar. 6 - jue., mar. 13
3:20 pm - 5:59 pmDUB-STL
32h 39m1 stop
6:00 am - 5:05 amSTL-DUB
18h 05m1 stop
$1,010Aer Lingus
Find Deal
jue., mar. 6 - jue., mar. 13
9:30 am - 8:14 pmDUB-STL
16h 44m1 stop
$738Iberia
Find Deal
sáb., may. 17
12:40 pm - 10:24 pmDUB-STL
15h 44m1 stop
$739Iberia
Find Deal
sáb., may. 17
8:35 am - 7:45 pmDUB-STL
17h 10m2 stops
$740British Airways
Find Deal
sáb., may. 17
12:30 pm - 3:47 pmDUB-STL
33h 17m3 stops
$1,306United Airlines
Find Deal
sáb., may. 17

Aer Lingus flights from Ireland to St. Louis

Our best Aer Lingus deals on Ireland to St. Louis flight tickets
Aer Lingus
Mar 3
DUB2:05 pmDublin
12h 37m
1 stop
STL8:42 pmLambert-St Louis
Mar 10
STL5:55 amLambert-St Louis
18h 20m
1 stop
DUB5:15 amDublin
Aer Lingus
Mar 6
DUB3:20 pmDublin
32h 39m
1 stop
STL5:59 pmLambert-St Louis
Mar 13
STL6:00 amLambert-St Louis
18h 05m
1 stop
DUB5:05 amDublin
Aer Lingus
Mar 7
DUB3:20 pmDublin
12h 43m
1 stop
STL10:03 pmLambert-St Louis
Mar 14
STL6:10 amLambert-St Louis
17h 05m
2 stops
DUB4:15 amDublin

British Airways flights from Ireland to St. Louis

Our best British Airways deals on Ireland to St. Louis flight tickets
British Airways
Jun 26
DUB8:50 amDublin
17h 22m
2 stops
STL8:12 pmLambert-St Louis
Aug 4
STL2:46 pmLambert-St Louis
13h 29m
2 stops
DUB10:15 amDublin
British Airways
Jun 26
DUB8:50 amDublin
17h 22m
2 stops
STL8:12 pmLambert-St Louis
Aug 4
STL6:15 pmLambert-St Louis
14h 35m
2 stops
DUB2:50 pmDublin

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?

In general, March is the cheapest month to fly from Ireland to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $827. The month of November is another great option to travel to St. Louis, with average flight prices from Ireland averaging around $833.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Ireland in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,057 when looking at flights departing in the morning. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,057 per ticket.

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

$738

Fastest flight time

12h 29m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Ireland in the past 72 hours is $738. The best round-trip flight deal from Ireland to St. Louis found on momondo in the last 72 hours is $756.
The fastest flight from Ireland to St. Louis takes 12h 29m
There are no direct flights from Ireland to St. Louis. Popular non-direct route for this connection is Dublin Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • 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 were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Lambert-St Louis Airport.

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

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


Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Collinsville
Florissant
Maryland Heights
Hermann
Fairview Heights
Farmington
O'Fallon
Fenton
Alton
Wentzville
St. Peters
Eureka
Festus
Clayton
Edwardsville
Glencoe
Litchfield
Grafton

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to St. Louis from Ireland which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Ireland to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Ireland to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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