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Cheap flights from Ireland to St. Louis from $498

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 4/14. 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 Ireland to St. Louis

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

These are some of the best round-trip flight deals from Ireland to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
11:30 am - 11:45 amDUB-STL
29h 15m3 stops
12:15 pm - 10:15 amSTL-DUB
17h 00m3 stops
Mon, Mar 10 - Wed, Mar 26
12:40 pm - 7:30 pmDUB-STL
12h 50m1 stop
2:03 pm - 6:30 amSTL-DUB
10h 27m1 stop
Thu, Apr 3 - Thu, Apr 10
8:35 am - 6:02 pmDUB-STL
15h 27m2 stops
3:29 pm - 11:55 amSTL-DUB
14h 26m2 stops
$812British Airways
Find Deal
Sat, Apr 5 - Sat, Apr 12
2:05 pm - 11:56 pmDUB-STL
15h 51m2 stops
1:51 pm - 8:40 amSTL-DUB
13h 49m2 stops
$822American Airlines
Find Deal
Sun, Mar 2 - Mon, Mar 17
2:05 pm - 8:41 pmDUB-STL
11h 36m1 stop
2:02 pm - 8:40 amSTL-DUB
13h 38m1 stop
$823Iberia
Find Deal
Mon, Mar 10 - Wed, Mar 26
12:40 pm - 7:30 pmDUB-STL
12h 50m1 stop
7:19 am - 5:30 amSTL-DUB
16h 11m1 stop
$829British Airways
Find Deal
Thu, Apr 3 - Thu, Apr 10
2:05 pm - 8:42 pmDUB-STL
12h 37m1 stop
2:02 pm - 8:40 amSTL-DUB
13h 38m1 stop
$831American Airlines
Find Deal
Sun, Mar 2 - Mon, Mar 17
9:00 am - 3:06 pmDUB-STL
12h 06m1 stop
1:00 pm - 10:05 amSTL-DUB
16h 05m1 stop
$860United Airlines
Find Deal
Sun, Mar 2 - Mon, Mar 17
9:50 am - 9:48 pmDUB-STL
17h 58m2 stops
6:30 am - 7:10 amSTL-DUB
18h 40m2 stops
$893United Airlines
Find Deal
Thu, Apr 3 - Thu, Apr 10
1:45 pm - 7:46 pmDUB-STL
12h 01m1 stop
9:49 am - 11:40 amSTL-DUB
19h 51m1 stop
$2,040Iberia
Find Deal
Wed, Jun 25 - Thu, Jul 10

British Airways flights from Ireland to St. Louis

Our best British Airways deals on Ireland to St. Louis flight tickets
British Airways
Apr 5
DUB8:35 amDublin
15h 27m
2 stops
STL6:02 pmLambert-St Louis
Apr 12
STL3:29 pmLambert-St Louis
14h 26m
2 stops
DUB11:55 amDublin
British Airways
Apr 3
DUB12:40 pmDublin
12h 50m
1 stop
STL7:30 pmLambert-St Louis
Apr 10
STL7:19 amLambert-St Louis
16h 11m
1 stop
DUB5:30 amDublin
British Airways
Feb 24
DUB10:40 amDublin
17h 23m
2 stops
STL10:03 pmLambert-St Louis
Mar 3
STL2:10 pmLambert-St Louis
13h 40m
2 stops
DUB9:50 amDublin

American Airlines flights from Ireland to St. Louis

Our best American Airlines deals on Ireland to St. Louis flight tickets
American Airlines
Mar 2
DUB2:05 pmDublin
15h 51m
2 stops
STL11:56 pmLambert-St Louis
Mar 17
STL1:51 pmLambert-St Louis
13h 49m
2 stops
DUB8:40 amDublin
American Airlines
Mar 2
DUB2:05 pmDublin
12h 37m
1 stop
STL8:42 pmLambert-St Louis
Mar 17
STL2:02 pmLambert-St Louis
13h 38m
1 stop
DUB8:40 amDublin
American Airlines
Mar 10
DUB2:05 pmDublin
14h 51m
2 stops
STL11:56 pmLambert-St Louis
Mar 26
STL2:02 pmLambert-St Louis
13h 38m
1 stop
DUB8:40 amDublin

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, February 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 $835. The month of March is another great option to travel to St. Louis, with average flight prices from Ireland averaging around $835.

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

$498

Fastest flight time

11h 36m

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 $498. The best round-trip flight deal from Ireland to St. Louis found on momondo in the last 72 hours is $742.
The fastest flight from Ireland to St. Louis takes 11h 36m
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
Fenton
O'Fallon
Farmington
Alton
St. Peters
Wentzville
Eureka
Festus
Glencoe
Clayton
Edwardsville
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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