How many flights depart from St. Louis to Indiana on average per week?

The number of flights available between St. Louis and Indiana is 358 per week as of April 2026. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.

What is the cheapest airline that flies from Lambert-St Louis to Indiana?

Frontier, Southwest, and Delta are the most popular carriers operating from Lambert-St Louis to Indiana

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?

There are 5 operators available for flights from Lambert-St Louis Airport to Indiana as of April 2026.

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.

$59 Cheap Flights from St. Louis to Indiana in 2026

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Find the cheapest flights from St. Louis to Indiana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:28 am - 6:16 pm

STL

CVG

5h 48m

1 stop

12:12 pm - 5:33 pm

CVG

STL

6h 21m

1 stop

$140Frontier

Sun, May 3 - Tue, May 12

8:23 pm - 11:32 am

STL

IND

14h 09m

1 stop

12:12 pm - 6:50 am

IND

STL

19h 38m

1 stop

$156Frontier

Wed, Apr 22 - Sun, Apr 26

11:30 am - 3:05 pm

STL

MDW

3h 35m

1 stop

1:30 pm - 6:50 pm

MDW

STL

5h 20m

1 stop

$174Southwest

Wed, May 27 - Thu, May 28

7:35 am - 12:50 pm

STL

ORD

5h 15m

1 stop

4:15 pm - 12:15 am

ORD

STL

8h 00m

1 stop

$174Southwest

Wed, May 27 - Thu, May 28

5:27 pm - 11:04 am

STL

CVG

16h 37m

1 stop

3:38 pm - 8:55 am

CVG

STL

18h 17m

2 stops

$175Multiple Airlines

Wed, May 6 - Fri, May 8

8:23 pm - 10:23 am

STL

ORD

14h 00m

1 stop

6:55 am - 8:55 am

ORD

STL

26h 00m

1 stop

$176Multiple Airlines

Wed, Apr 29 - Fri, May 8

5:51 am - 11:44 am

STL

AZO

4h 53m

1 stop

6:00 am - 8:24 am

AZO

STL

3h 24m

1 stop

$298American Airlines

Fri, Apr 24 - Sun, Apr 26

2:12 pm - 12:30 am

STL

AZO

9h 18m

2 stops

12:14 pm - 10:59 pm

AZO

STL

11h 45m

2 stops

$309American Airlines

Fri, May 8 - Tue, May 12

11:15 am - 6:45 pm

STL

DAY

6h 30m

1 stop

6:03 pm - 9:13 pm

DAY

STL

4h 10m

1 stop

$341United Airlines

Sat, May 2 - Wed, May 6

5:28 pm - 11:56 pm

STL

SDF

5h 28m

1 stop

7:15 am - 12:47 pm

SDF

STL

6h 32m

1 stop

$355United Airlines

Tue, May 12 - Wed, May 13

Delta flights from St. Louis to Indiana

Our best Delta deals on St. Louis to Indiana flight tickets

Delta

Apr 28

STL6:48 amLambert-St Louis

3h 31m

1 stop

ORD10:19 amChicago O'Hare Intl

May 2

ORD5:59 pmChicago O'Hare Intl

5h 37m

1 stop

STL11:36 pmLambert-St Louis

$184

Delta

May 19

STL6:21 amLambert-St Louis

6h 40m

2 stops

ORD1:01 pmChicago O'Hare Intl

May 28

ORD6:24 amChicago O'Hare Intl

4h 08m

1 stop

STL10:32 amLambert-St Louis

$189

Delta

Apr 23

STL6:48 amLambert-St Louis

5h 57m

1 stop

ORD12:45 pmChicago O'Hare Intl

Apr 27

ORD7:09 pmChicago O'Hare Intl

4h 04m

1 stop

STL11:13 pmLambert-St Louis

$211

American Airlines flights from St. Louis to Indiana

Our best American Airlines deals on St. Louis to Indiana flight tickets

American Airlines

May 16

STL8:03 pmLambert-St Louis

1h 37m

ORD9:40 pmChicago O'Hare Intl

May 23

ORD10:40 pmChicago O'Hare Intl

1h 14m

STL11:54 pmLambert-St Louis

$192

American Airlines

Apr 23

STL7:05 amLambert-St Louis

1h 31m

ORD8:36 amChicago O'Hare Intl

Apr 27

ORD10:30 pmChicago O'Hare Intl

1h 16m

STL11:46 pmLambert-St Louis

$194

American Airlines

May 20

STL5:51 amLambert-St Louis

1h 30m

ORD7:21 amChicago O'Hare Intl

May 27

ORD6:55 amChicago O'Hare Intl

5h 04m

1 stop

STL11:59 amLambert-St Louis

$197

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sun 5/3

11:28 am-6:16 pm

1 stop5h 48m

Cincinnati Cinci./N. Kentucky

Tue 5/12

12:12 pm-5:33 pm

1 stop6h 21m

$140

St. LouisIndianapolis

STL - IND

STLIND

Lambert-St Louis

Wed 4/22

8:23 pm-11:32 am

1 stop14h 09m

Indianapolis

Sun 4/26

12:12 pm-6:50 am

1 stop19h 38m

$156

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 5/27

11:30 am-3:05 pm

1 stop3h 35m

Chicago Midway

Thu 5/28

1:30 pm-6:50 pm

1 stop5h 20m

$174

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 5/27

7:35 am-12:50 pm

1 stop5h 15m

Chicago O'Hare Intl

Thu 5/28

4:15 pm-12:15 am

1 stop8h 00m

$174

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 5/6

5:27 pm-11:04 am

1 stop16h 37m

Cincinnati Cinci./N. Kentucky

Fri 5/8

3:38 pm-8:55 am

2 stops18h 17m

$175

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 4/29

8:23 pm-10:23 am

1 stop14h 00m

Chicago O'Hare Intl

Fri 5/8

6:55 am-8:55 am

1 stop26h 00m

$176

Quickest round-trip

St. LouisKalamazoo

STL - AZO

STLAZO

Lambert-St Louis

Fri 4/24

5:51 am-11:44 am

1 stop4h 53m

Kalamazoo Intl

Sun 4/26

6:00 am-8:24 am

1 stop3h 24m

$298

St. LouisKalamazoo

STL - AZO

STLAZO

Lambert-St Louis

Fri 5/8

2:12 pm-12:30 am

2 stops9h 18m

Kalamazoo Intl

Tue 5/12

12:14 pm-10:59 pm

2 stops11h 45m

$309

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 5/2

11:15 am-6:45 pm

1 stop6h 30m

Dayton

Wed 5/6

6:03 pm-9:13 pm

1 stop4h 10m

$341

St. LouisLouisville

STL - SDF

STLSDF

Lambert-St Louis

Tue 5/12

5:28 pm-11:56 pm

1 stop5h 28m

Louisville Intl

Wed 5/13

7:15 am-12:47 pm

1 stop6h 32m

$355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Indiana?

The cheapest month to fly to Indiana from St. Louis is in August. Flight prices, which tend to average around $234, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Indiana, with average flight prices from St. Louis averaging around $235.

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.

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

You could potentially save up to 36% 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).

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Frequently asked questions about flying from St. Louis to Indiana

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?
There are 5 operators available for flights from Lambert-St Louis Airport to Indiana as of April 2026.
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 Airlines	PriceFrom $185	Free Cancellation	Rating 7.1 11,555 reviews		Search American Airlines flights
United Airlines	PriceFrom $243	Free Cancellation	Rating 7.4 9,541 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.