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Cheap flights from Ireland to St. Louis from $445

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

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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ireland to St. Louis.
4:40 pm - 8:10 pmDUB-STL
33h 30m2 stops
9:20 am - 10:15 amSTL-DUB
18h 55m2 stops
Thu, Apr 10 - Mon, Apr 14
12:40 pm - 10:27 pmDUB-STL
15h 47m1 stop
6:24 pm - 11:40 amSTL-DUB
11h 16m1 stop
$840Iberia
Find Deal
Sat, Sep 20 - Sat, Oct 4
11:10 am - 11:26 pmDUB-STL
18h 16m2 stops
10:05 am - 10:00 amSTL-DUB
17h 55m2 stops
$843Delta
Find Deal
Wed, May 14 - Sun, Jun 1
9:30 am - 6:07 pmDUB-STL
14h 37m2 stops
6:00 am - 6:30 amSTL-DUB
18h 30m1 stop
$845British Airways
Find Deal
Fri, May 9 - Fri, May 16
11:45 am - 7:23 pmDUB-STL
13h 38m1 stop
6:00 am - 6:30 amSTL-DUB
18h 30m1 stop
$850British Airways
Find Deal
Fri, May 9 - Fri, May 16
1:15 pm - 11:38 pmDUB-STL
16h 23m2 stops
11:32 am - 7:45 amSTL-DUB
14h 13m1 stop
$852KLM
Find Deal
Wed, May 7 - Wed, May 14
12:40 pm - 7:29 pmDUB-STL
12h 49m1 stop
6:00 am - 6:30 amSTL-DUB
18h 30m1 stop
$861American Airlines
Find Deal
Fri, May 9 - Fri, May 16
12:40 pm - 10:27 pmDUB-STL
15h 47m1 stop
2:50 pm - 11:40 amSTL-DUB
14h 50m1 stop
$862American Airlines
Find Deal
Sat, Sep 20 - Sat, Oct 4
5:55 am - 5:00 pmDUB-STL
17h 05m2 stops
6:05 pm - 4:40 pmSTL-DUB
16h 35m2 stops
$888Delta
Find Deal
Wed, May 7 - Wed, May 14
10:00 am - 8:30 pmDUB-STL
16h 30m1 stop
10:45 am - 10:00 amSTL-DUB
17h 15m1 stop
$977KLM
Find Deal
Thu, Jul 24 - Mon, Aug 25

Delta flights from Ireland to St. Louis

Our best Delta deals on Ireland to St. Louis flight tickets
Delta
May 14
DUB11:10 amDublin
18h 16m
2 stops
STL11:26 pmLambert-St Louis
Jun 1
STL10:05 amLambert-St Louis
17h 55m
2 stops
DUB10:00 amDublin
Delta
May 7
DUB5:55 amDublin
17h 05m
2 stops
STL5:00 pmLambert-St Louis
May 14
STL6:05 pmLambert-St Louis
16h 35m
2 stops
DUB4:40 pmDublin
Delta
May 9
DUB5:55 amDublin
20h 54m
2 stops
STL8:49 pmLambert-St Louis
May 16
STL10:05 amLambert-St Louis
17h 10m
2 stops
DUB9:15 amDublin

KLM flights from Ireland to St. Louis

Our best KLM deals on Ireland to St. Louis flight tickets
KLM
May 7
DUB1:15 pmDublin
16h 23m
2 stops
STL11:38 pmLambert-St Louis
May 14
STL11:32 amLambert-St Louis
14h 13m
1 stop
DUB7:45 amDublin
KLM
Jul 24
DUB10:00 amDublin
16h 30m
1 stop
STL8:30 pmLambert-St Louis
Aug 25
STL10:45 amLambert-St Louis
17h 15m
1 stop
DUB10:00 amDublin
KLM
Aug 13
DUB5:55 amDublin
14h 21m
2 stops
STL2:16 pmLambert-St Louis
Aug 27
STL10:45 amLambert-St Louis
17h 15m
1 stop
DUB10:00 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 November is another great option to travel to St. Louis, with average flight prices from Ireland averaging around $848.

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

$445

Fastest flight time

11h 09m

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 $445. The best round-trip flight deal from Ireland to St. Louis found on momondo in the last 72 hours is $748.
The fastest flight from Ireland to St. Louis takes 11h 09m
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
Florissant
Maryland Heights
Hermann
Collinsville
Fairview Heights
Fenton
Farmington
O'Fallon
St. Peters
Alton
Wentzville
Glencoe
Eureka
Festus
Edwardsville
Clayton
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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