$419 Find Cheap Flights from Ireland to St. Louis - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results for flights to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to St. Louis, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Ireland to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ireland to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Tue, Oct 27 - Mon, Nov 2
Scandinavian Airlines Logo
7:05 pm - 11:39 pm
DUB
-
STL
33h 34m
2 stops
Scandinavian Airlines Logo
1:30 pm - 11:45 am
STL
-
DUB
40h 15m
2 stops
$810Scandinavian Airlines
Mon, Jul 13 - Mon, Jul 27
WestJet Logo
9:40 am - 9:31 am
DUB
-
STL
29h 51m
2 stops
WestJet Logo
6:09 pm - 8:20 am
STL
-
DUB
32h 11m
2 stops
$924WestJet
Thu, Dec 3 - Sun, Dec 6
Scandinavian Airlines Logo
12:30 pm - 11:39 pm
DUB
-
STL
41h 09m
2 stops
Scandinavian Airlines Logo
11:51 am - 6:20 pm
STL
-
DUB
24h 29m
2 stops
$942Scandinavian Airlines
Thu, Dec 3 - Sun, Dec 6
Scandinavian Airlines Logo
7:05 pm - 11:39 pm
DUB
-
STL
34h 34m
2 stops
Scandinavian Airlines Logo
11:51 am - 6:20 pm
STL
-
DUB
24h 29m
2 stops
$944Scandinavian Airlines
Thu, Jul 2 - Mon, Jul 13
WestJet Logo
9:40 am - 8:39 pm
DUB
-
STL
16h 59m
2 stops
WestJet Logo
6:09 pm - 8:20 am
STL
-
DUB
32h 11m
2 stops
$950WestJet
Mon, Oct 26 - Wed, Nov 4
Delta Logo
5:45 am - 11:18 pm
DUB
-
STL
22h 33m
2 stops
Delta Logo
12:30 pm - 9:00 am
STL
-
DUB
14h 30m
2 stops
$968Delta
Mon, Oct 26 - Wed, Nov 4
Delta Logo
5:45 am - 11:18 pm
DUB
-
STL
22h 33m
2 stops
Delta Logo
7:20 am - 7:45 am
STL
-
DUB
18h 25m
1 stop
$970Delta
Wed, Oct 28 - Tue, Nov 3
British Airways Logo
8:40 pm - 8:08 pm
DUB
-
STL
28h 28m
2 stops
British Airways Logo
4:48 pm - 5:00 pm
STL
-
DUB
18h 12m
2 stops
$972British Airways
Tue, Oct 27 - Wed, Nov 4
KLM Logo
5:45 am - 4:50 pm
DUB
-
STL
16h 05m
2 stops
KLM Logo
3:42 pm - 7:45 am
STL
-
DUB
10h 03m
1 stop
$977KLM
Sun, Oct 25 - Tue, Nov 3
Delta Logo
9:45 am - 8:49 pm
DUB
-
STL
16h 04m
1 stop
Delta Logo
4:13 pm - 2:30 pm
STL
-
DUB
16h 17m
2 stops
$978Delta
Booking Insights

KAYAK's insights & trends for flights to St. Louis

Get data-powered insights and trends for flights to St. Louis to help you find the cheapest flights, the best time to fly and much more.

How long is the flight to St. Louis?

The duration of your flight to St. Louis depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular route to St. Louis on KAYAK is from Dublin, which takes 19h 49m.

How many direct flights to St. Louis are there each day?

There are around 437 direct flights from within Ireland to St. Louis every day. Most flights depart in the morning, with 34% of flights departing in the morning.

Good to know

Low seasonSeptember
Cheapest flight$419
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Dublin to St. Louis

FAQs - booking St. Louis flights

  • How far is Lambert-St Louis Airport from central St. Louis?

    Lambert-St Louis Airport is 13 miles from the center of St. Louis.

  • What is the name of St. Louis’s airport?

    There is only 1 airport in St. Louis, called Lambert-St Louis Airport (STL). It can also be referred to as Lambert Field, Lambert-St Louis, St. Louis Lambert, or St. Louis Lambert Intl.

  • How does KAYAK find such low prices on flights to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to St. Louis are there each week?

    Each week there are around 3,057 direct flights from within Ireland to St. Louis. The most common day for departures is Monday, with 15% of flights taking off on this day.

Top tips for finding cheap flights to St. Louis

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest St. Louis flight deals.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis