STL

€394 Find Cheap Flights to St. Louis

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 14/5. 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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Everything you should know

Cheapest return fare
€808
Typical prices: €874-€729
Aer Lingus
Tue 22/9Tue 6/10
DUB - STL • 1 stop
Cheapest one-way flight
€394
Typical prices: €535-€705
Multiple Airlines
Thu 14/5
DUB - STL • 3 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights 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 return flight deals to St. Louis

Tue, 22 Sep - Tue, 6 Oct
Aer Lingus Logo
11:10 - 19:30
DUB
-
STL
14h 20m
1 stop
Aer Lingus Logo
21:35 - 14:50
STL
-
DUB
11h 15m
1 stop
€808Aer Lingus
Sun, 14 Jun - Sun, 21 Jun
Finnair Logo
09:30 - 00:16
DUB
-
STL
20h 46m
1 stop
Finnair Logo
17:03 - 11:50
STL
-
DUB
12h 47m
1 stop
€817Finnair
Tue, 22 Sep - Tue, 6 Oct
Aer Lingus Logo
08:40 - 19:30
DUB
-
STL
16h 50m
1 stop
Aer Lingus Logo
16:32 - 18:20
STL
-
DUB
19h 48m
2 stops
€822Aer Lingus
Tue, 2 Jun - Mon, 27 Jul
Finnair Logo
09:30 - 00:14
DUB
-
STL
20h 44m
1 stop
Finnair Logo
17:58 - 11:50
STL
-
DUB
11h 52m
1 stop
€846Finnair
Sun, 14 Jun - Sun, 21 Jun
Multiple Airlines Logo
09:30 - 00:16
DUB
-
STL
20h 46m
1 stop
Multiple Airlines Logo
21:40 - 19:35
STL
-
DUB
15h 55m
1 stop
€854Multiple Airlines
Fri, 12 Jun - Fri, 19 Jun
Multiple Airlines Logo
11:45 - 19:00
DUB
-
STL
13h 15m
1 stop
Multiple Airlines Logo
11:18 - 06:30
STL
-
DUB
13h 12m
1 stop
€863Multiple Airlines
Tue, 26 May - Tue, 2 Jun
Finnair Logo
09:30 - 23:54
DUB
-
STL
20h 24m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€869Finnair
Tue, 26 May - Tue, 2 Jun
Finnair Logo
09:30 - 23:54
DUB
-
STL
20h 24m
1 stop
Finnair Logo
17:00 - 11:50
STL
-
DUB
12h 50m
1 stop
€870Finnair
Thu, 11 Jun - Thu, 18 Jun
Iberia Logo
13:45 - 23:59
DUB
-
STL
16h 14m
1 stop
Iberia Logo
13:45 - 11:50
STL
-
DUB
16h 05m
1 stop
€872Iberia
Sat, 20 Jun - Tue, 30 Jun
Iberia Logo
13:45 - 23:59
DUB
-
STL
16h 14m
1 stop
Iberia Logo
17:03 - 11:50
STL
-
DUB
12h 47m
1 stop
€873Iberia
Booking Insights

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

Get data-powered insights and trends into 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 stopover will also be longer. The most popular route to St. Louis on KAYAK is from Dublin, which takes 17h 59m.

Find deals

Good to know – Book Cheap St. Louis Plane Tickets

Low seasonSeptember
Cheapest flight€394
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly and prices are also 17% lower on average.
Flight from Dublin to St. Louis

When to book flights to St. Louis

Are your dates flexible? Find out the best times to travel to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to St. Louis based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs - booking St. Louis flights

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

    There are 20 km between St. Louis city centre and Lambert-St Louis Airport.

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

    St. Louis is served by Lambert-St Louis Airport, also commonly referred to as Lambert Field, Lambert-St Louis, St. Louis Lambert, or St. Louis Lambert Intl. The airport code is STL.

  • 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 travellers 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.

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.

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Wentzville

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

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

St. Louis (STL)