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Cheap flights from Ireland to St. Louis from $540

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to St. Louis departing on 1/14. 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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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 to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
12:30 pm - 11:37 pmDUB-STL
41h 07m2 stops
2:00 pm - 9:20 amSTL-DUB
37h 20m2 stops
$540Scandinavian Airlines
Find Deal
Tue, Jan 14 - Fri, Jan 31
12:30 pm - 11:37 pmDUB-STL
41h 07m2 stops
2:00 pm - 9:20 amSTL-DUB
37h 20m2 stops
$556Scandinavian Airlines
Find Deal
Tue, Jan 14 - Fri, Jan 31
11:30 am - 11:30 amDUB-STL
30h 00m3 stops
12:15 pm - 10:15 amSTL-DUB
16h 00m3 stops
Fri, Jan 31 - Fri, Feb 7
11:30 am - 11:30 amDUB-STL
30h 00m3 stops
12:15 pm - 10:15 amSTL-DUB
16h 00m3 stops
Fri, Jan 31 - Fri, Feb 7
2:05 pm - 12:45 pmDUB-STL
28h 40m2 stops
2:00 pm - 8:40 amSTL-DUB
12h 40m1 stop
$776American Airlines
Find Deal
Fri, Jan 17 - Thu, Jan 30
2:05 pm - 8:41 pmDUB-STL
12h 36m1 stop
2:00 pm - 8:40 amSTL-DUB
12h 40m1 stop
$778Iberia
Find Deal
Fri, Jan 17 - Thu, Jan 30
2:05 pm - 11:46 pmDUB-STL
15h 41m2 stops
6:00 am - 8:40 amSTL-DUB
20h 40m1 stop
$793American Airlines
Find Deal
Tue, Jan 14 - Fri, Jan 31
9:00 am - 5:22 pmDUB-STL
14h 22m1 stop
11:24 am - 7:00 amSTL-DUB
13h 36m1 stop
$795Lufthansa
Find Deal
Sat, Feb 1 - Sat, Feb 8
9:00 am - 5:22 pmDUB-STL
14h 22m1 stop
12:41 pm - 5:15 pmSTL-DUB
22h 34m2 stops
$800Lufthansa
Find Deal
Sat, Feb 1 - Sat, Feb 8
2:05 pm - 8:41 pmDUB-STL
12h 36m1 stop
2:00 pm - 8:40 amSTL-DUB
12h 40m1 stop
$819Iberia
Find Deal
Thu, Jan 16 - Sun, Jan 19
11:20 am - 11:38 pmDUB-STL
18h 18m2 stops
$652WestJet
Find Deal
Sat, May 17
12:40 pm - 10:24 pmDUB-STL
15h 44m1 stop
$726Iberia
Find Deal
Sat, May 17
12:40 pm - 10:24 pmDUB-STL
15h 44m1 stop
$727Iberia
Find Deal
Sat, May 17
8:35 am - 7:45 pmDUB-STL
17h 10m2 stops
$728British Airways
Find Deal
Sat, May 17
12:30 pm - 3:38 pmDUB-STL
33h 08m3 stops
$1,322United Airlines
Find Deal
Sat, May 17
12:30 pm - 3:38 pmDUB-STL
33h 08m3 stops
$1,323United Airlines
Find Deal
Sat, May 17

Scandinavian Airlines flights from Ireland to St. Louis

Our best Scandinavian Airlines deals on Ireland to St. Louis flight tickets
Scandinavian Airlines
Jan 14
DUB12:30 pmDublin
41h 07m
2 stops
STL11:37 pmLambert-St Louis
Jan 31
STL2:00 pmLambert-St Louis
37h 20m
2 stops
DUB9:20 amDublin
Scandinavian Airlines
Jan 14
DUB12:30 pmDublin
41h 07m
2 stops
STL11:37 pmLambert-St Louis
Jan 31
STL2:00 pmLambert-St Louis
37h 20m
2 stops
DUB9:20 amDublin
Scandinavian Airlines
Jan 14
DUB12:30 pmDublin
41h 07m
2 stops
STL11:37 pmLambert-St Louis
Jan 31
STL2:00 pmLambert-St Louis
37h 20m
2 stops
DUB9:20 amDublin

Lufthansa flights from Ireland to St. Louis

Our best Lufthansa deals on Ireland to St. Louis flight tickets
Lufthansa
Feb 1
DUB9:00 amDublin
14h 22m
1 stop
STL5:22 pmLambert-St Louis
Feb 8
STL11:24 amLambert-St Louis
13h 36m
1 stop
DUB7:00 amDublin
Lufthansa
Feb 1
DUB9:00 amDublin
14h 22m
1 stop
STL5:22 pmLambert-St Louis
Feb 8
STL12:41 pmLambert-St Louis
22h 34m
2 stops
DUB5:15 pmDublin
Lufthansa
Jan 31
DUB5:00 amDublin
14h 55m
1 stop
STL1:55 pmLambert-St Louis
Feb 7
STL11:28 amLambert-St Louis
13h 32m
1 stop
DUB7:00 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, November 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 $833. 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.

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

You could potentially save up to 10% on your flight if you consider stops on a Ireland to St. Louis flight.

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

$652

Fastest flight time

12h 06m

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 $652. The best round-trip flight deal from Ireland to St. Louis found on momondo in the last 72 hours is $540.
The fastest flight from Ireland to St. Louis takes 12h 06m
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.


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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