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Cheap flights from St. Louis to Indiana from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Indiana departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Indiana

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:49 pm - 6:32 pm
STL
-
ORD
1h 43mnonstop
United Airlines Logo
1:00 pm - 2:30 pm
ORD
-
STL
1h 30mnonstop
$117United Airlines
Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
8:32 pm - 1:57 pm
STL
-
ORD
17h 25m1 stop
Multiple Airlines Logo
12:44 pm - 10:23 am
ORD
-
STL
21h 39m1 stop
$142Multiple Airlines
Mon, Jan 19 - Thu, Jan 22
Frontier Logo
8:22 pm - 1:37 pm
STL
-
ORD
17h 15m1 stop
Frontier Logo
11:51 am - 6:51 am
ORD
-
STL
43h 00m2 stops
$143Frontier
Wed, Jan 21 - Mon, Jan 26
Southwest Logo
8:20 am - 9:30 am
STL
-
MDW
1h 10mnonstop
Southwest Logo
7:45 pm - 9:00 pm
MDW
-
STL
1h 15mnonstop
$144Southwest
Wed, Jan 21 - Thu, Jan 22
Frontier Logo
1:40 pm - 8:53 pm
STL
-
CVG
6h 13m1 stop
Frontier Logo
5:39 pm - 11:33 pm
CVG
-
STL
6h 54m1 stop
$146Frontier
Mon, Jan 26 - Mon, Feb 2
Southwest Logo
1:10 pm - 2:15 pm
STL
-
MDW
1h 05mnonstop
Southwest Logo
2:20 pm - 7:00 pm
MDW
-
STL
4h 40m1 stop
$154Southwest
Wed, Jan 21 - Thu, Jan 22
Delta Logo
5:00 pm - 10:07 pm
STL
-
MDW
5h 07m1 stop
Delta Logo
5:31 pm - 11:39 pm
MDW
-
STL
6h 08m1 stop
$157Delta
Wed, Jan 7 - Wed, Jan 14
Delta Logo
5:00 pm - 11:59 pm
STL
-
ORD
6h 59m1 stop
Delta Logo
11:05 am - 4:37 pm
ORD
-
STL
5h 32m1 stop
$157Delta
Wed, Jan 7 - Wed, Jan 14
American Airlines Logo
5:00 am - 1:18 pm
STL
-
DAY
7h 18m1 stop
American Airlines Logo
10:16 am - 2:50 pm
DAY
-
STL
5h 34m1 stop
$233American Airlines
Thu, Jan 1 - Tue, Jan 6
American Airlines Logo
6:00 am - 12:39 pm
STL
-
DAY
5h 39m1 stop
American Airlines Logo
7:30 pm - 11:55 pm
DAY
-
STL
5h 25m1 stop
$244American Airlines
Wed, Dec 24 - Fri, Dec 26

American Airlines flights from St. Louis to Indiana

Our best American Airlines deals on St. Louis to Indiana flight tickets
American Airlines
Jan 8
STL6:44 pmLambert-St Louis
1h 31m
ORD8:15 pmChicago O'Hare Intl
Jan 12
ORD8:50 amChicago O'Hare Intl
1h 30m
STL10:20 amLambert-St Louis
$171
Find similar
American Airlines
Jan 24
STL6:43 pmLambert-St Louis
1h 34m
ORD8:17 pmChicago O'Hare Intl
Jan 31
ORD8:50 amChicago O'Hare Intl
1h 30m
STL10:20 amLambert-St Louis
$172
Find similar
American Airlines
Jan 8
STL6:44 pmLambert-St Louis
1h 31m
ORD8:15 pmChicago O'Hare Intl
Jan 12
ORD8:50 amChicago O'Hare Intl
1h 30m
STL10:20 amLambert-St Louis
$173
Find similar

United Airlines flights from St. Louis to Indiana

Our best United Airlines deals on St. Louis to Indiana flight tickets
United Airlines
Jan 7
STL4:49 pmLambert-St Louis
1h 43m
ORD6:32 pmChicago O'Hare Intl
Jan 14
ORD1:00 pmChicago O'Hare Intl
1h 30m
STL2:30 pmLambert-St Louis
$117
Find similar
United Airlines
Jan 21
STL8:05 amLambert-St Louis
1h 35m
ORD9:40 amChicago O'Hare Intl
Jan 22
ORD10:52 amChicago O'Hare Intl
1h 37m
STL12:29 pmLambert-St Louis
$144
Find similar
United Airlines
Feb 17
STL7:41 amLambert-St Louis
1h 29m
ORD9:10 amChicago O'Hare Intl
Feb 18
ORD7:35 pmChicago O'Hare Intl
1h 25m
STL9:00 pmLambert-St Louis
$177
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Indiana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from St. Louis to Indiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 1/7

4:49 pm-6:32 pm

Nonstop1h 43m

Chicago O'Hare Intl

Wed 1/14

1:00 pm-2:30 pm

Nonstop1h 30m

$117

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 1/19

8:32 pm-1:57 pm

1 stop17h 25m

Chicago O'Hare Intl

Thu 1/22

12:44 pm-10:23 am

1 stop21h 39m

$142

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 1/21

8:22 pm-1:37 pm

1 stop17h 15m

Chicago O'Hare Intl

Mon 1/26

11:51 am-6:51 am

2 stops43h 00m

$143

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 1/21

8:20 am-9:30 am

Nonstop1h 10m

Chicago Midway

Thu 1/22

7:45 pm-9:00 pm

Nonstop1h 15m

$144

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 1/26

1:40 pm-8:53 pm

1 stop6h 13m

Cincinnati Cinci./N. Kentucky

Mon 2/2

5:39 pm-11:33 pm

1 stop6h 54m

$146

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 1/21

1:10 pm-2:15 pm

Nonstop1h 05m

Chicago Midway

Thu 1/22

2:20 pm-7:00 pm

1 stop4h 40m

$154

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 1/7

5:00 pm-10:07 pm

1 stop5h 07m

Chicago Midway

Wed 1/14

5:31 pm-11:39 pm

1 stop6h 08m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 1/7

5:00 pm-11:59 pm

1 stop6h 59m

Chicago O'Hare Intl

Wed 1/14

11:05 am-4:37 pm

1 stop5h 32m

$157

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Thu 1/1

5:00 am-1:18 pm

1 stop7h 18m

Dayton

Tue 1/6

10:16 am-2:50 pm

1 stop5h 34m

$233

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 12/24

6:00 am-12:39 pm

1 stop5h 39m

Dayton

Fri 12/26

7:30 pm-11:55 pm

1 stop5h 25m

$244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Indiana from

How to get the cheapest flight ticket from St. Louis to Indiana

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 Indiana?

The cheapest month to fly to Indiana from St. Louis is in April. Flight prices, which tend to average around $226, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Indiana, with average flight prices from St. Louis averaging around $234.

What is the cheapest day to depart on your flight to Indiana?

Our data shows that Thursday is the least expensive day to fly to Indiana. Tickets to fly out on this day can be as low as $1,178. On the other hand, Friday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,331.

What is the cheapest time of day to depart on your flight to Indiana?

Our data shows that the cheapest St. Louis to Indiana flights are usually those with departure times at noon. Our users have found flights to Indiana at noon for as low as $256. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,297 on average. Flights to Indiana from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 38% on your flight if you consider stops on a St. Louis to Indiana flight.

Cheap St. Louis to Indiana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Indiana

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Indiana

94 airports
The fastest flight from St. Louis to Indiana takes 1h 05m
Direct flights go from St. Louis to Indiana every day.
There are 94 airports in Indiana. From St. Louis there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Indiana?

    Prices for flights from Lambert-St Louis Airport to Indiana refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Indiana?

  • How old do you have to be to fly from Lambert-St Louis Airport to Indiana?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Indiana.

  • What documentation or ID do you need to fly to Indiana?

    The travel and health documents you'll need for your trip to Indiana may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Indiana. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Indiana

Compare and see reviews for airlines that fly from St. Louis to Indiana with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $226Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Indiana?

Finding the right flight to Indiana from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Indiana quick and easy, saving you time and money.

Can I find flights from St. Louis to Indiana with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Indiana from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Indiana?

momondo helps you find the best flight between St. Louis and Indiana by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Indiana right now. Can momondo alert me if prices change?

Price alerts on flights to Indiana from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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