STL

$40 Find Cheap Flights from Indiana 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 4/4. 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

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Everything you should know

Cheapest round-trip
$91
Overall average: $327
United Airlines
Sat 3/28Sat 5/2
ORD - STL • Non-stop
Cheapest one-way
$40
Typical prices: $58-$70
Southwest
Sat 4/4
MDW - STL • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Indiana to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Indiana 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 Indiana to St. Louis

Sat, Mar 28 - Sat, May 2
United Airlines Logo
7:40 pm - 9:05 pm
ORD
-
STL
1h 25mnonstop
United Airlines Logo
6:49 pm - 8:20 pm
STL
-
ORD
1h 31mnonstop
$91United Airlines
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
7:40 pm - 9:08 pm
ORD
-
STL
1h 28mnonstop
United Airlines Logo
9:10 am - 10:39 am
STL
-
ORD
1h 29mnonstop
$117United Airlines
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
2:40 pm - 7:20 pm
ORD
-
STL
4h 40m
1 stop
Southwest Logo
5:45 am - 11:10 am
STL
-
ORD
5h 25m
1 stop
$137Southwest
Wed, Feb 25 - Fri, Feb 27
Frontier Logo
8:30 am - 10:27 pm
ORD
-
STL
13h 57m
1 stop
Frontier Logo
8:22 pm - 10:51 am
STL
-
ORD
14h 29m
1 stop
$138Frontier
Mon, Mar 2 - Mon, Mar 9
Frontier Logo
3:50 pm - 10:27 pm
ORD
-
STL
30h 37m
1 stop
Frontier Logo
2:09 pm - 8:23 am
STL
-
ORD
18h 14m
1 stop
$144Frontier
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
6:51 pm - 6:51 am
ORD
-
STL
36h 00m
2 stops
Multiple Airlines Logo
2:09 pm - 8:23 am
STL
-
ORD
18h 14m
1 stop
$156Multiple Airlines
Sat, Apr 18 - Mon, Apr 20
Southwest Logo
6:30 pm - 7:45 pm
MDW
-
STL
1h 15mnonstop
Southwest Logo
5:40 am - 6:50 am
STL
-
MDW
1h 10mnonstop
$157Southwest
Tue, Apr 14 - Tue, Apr 21
Delta Logo
8:52 am - 1:05 pm
ORD
-
STL
4h 13m
1 stop
Delta Logo
11:43 am - 4:42 pm
STL
-
ORD
4h 59m
1 stop
$157Delta
Wed, Apr 1 - Thu, Apr 30
Delta Logo
9:35 am - 12:58 pm
MDW
-
STL
3h 23m
1 stop
Delta Logo
6:20 am - 1:32 pm
STL
-
MDW
7h 12m
1 stop
$191Delta
Tue, Feb 17 - Sat, Feb 21
Multiple Airlines Logo
3:12 pm - 6:51 am
IND
-
STL
16h 39m
2 stops
Multiple Airlines Logo
8:17 pm - 6:34 pm
STL
-
IND
21h 17m
1 stop
$246Multiple Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$40
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from Chicago Midway Airport to St. Louis

FAQs for booking flights from Indiana to St. Louis

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

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

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

  • What is the Hacker Fare option on flights from Indiana 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 to Indiana with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Indiana 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 from Indiana up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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