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

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

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

The number of flights available between St. Louis and Indiana is 273 per week as of February 2026. The most frequent departure day is Thu, with 26% of weekly flights leaving on this day.

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 February 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.

$43 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.

3:49 pm - 9:25 pm

STL

CVG

28h 36m

1 stop

5:20 am - 11:59 pm

CVG

STL

19h 39m

1 stop

$160Frontier

Mon, Feb 23 - Thu, Feb 26

8:10 pm - 7:23 am

STL

CVG

10h 13m

1 stop

7:41 pm - 10:37 am

CVG

STL

15h 56m

1 stop

$175Frontier

Mon, Mar 16 - Tue, Mar 17

6:35 am - 12:46 pm

STL

MDW

6h 11m

1 stop

1:10 pm - 4:32 pm

MDW

STL

3h 22m

1 stop

$191Delta

Thu, Mar 5 - Mon, Mar 9

6:47 pm - 11:56 pm

STL

ORD

5h 09m

1 stop

5:59 pm - 11:58 pm

ORD

STL

5h 59m

1 stop

$191Delta

Thu, Mar 5 - Mon, Mar 9

8:13 pm - 2:20 pm

STL

ORD

18h 07m

1 stop

1:40 pm - 10:30 am

ORD

STL

20h 50m

1 stop

$193Multiple Airlines

Fri, Apr 17 - Wed, Apr 22

8:00 am - 9:31 am

STL

ORD

1h 31mnonstop

7:15 am - 8:38 am

ORD

STL

1h 23mnonstop

$194American Airlines

Sat, Mar 7 - Sun, Mar 8

8:13 pm - 2:20 pm

STL

ORD

18h 07m

1 stop

4:21 pm - 7:12 pm

ORD

STL

26h 51m

2 stops

$202Multiple Airlines

Fri, Apr 17 - Wed, Apr 22

8:00 am - 9:31 am

STL

ORD

1h 31mnonstop

6:53 pm - 8:19 pm

ORD

STL

1h 26mnonstop

$207American Airlines

Tue, Mar 10 - Mon, Aug 31

7:40 am - 1:19 pm

STL

DAY

4h 39m

1 stop

9:14 am - 2:42 pm

DAY

STL

6h 28m

1 stop

$249United Airlines

Wed, Mar 11 - Wed, Mar 18

7:41 am - 1:25 pm

STL

DAY

4h 44m

1 stop

9:00 am - 12:21 pm

DAY

STL

4h 21m

1 stop

$259United Airlines

Wed, Feb 25 - Sun, Mar 1

United Airlines flights from St. Louis to Indiana

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

United Airlines

Mar 5

STL7:41 amLambert-St Louis

1h 29m

ORD9:10 amChicago O'Hare Intl

Mar 9

ORD7:42 pmChicago O'Hare Intl

1h 25m

STL9:07 pmLambert-St Louis

$231

United Airlines

Mar 5

STL7:41 amLambert-St Louis

1h 29m

ORD9:10 amChicago O'Hare Intl

Mar 9

ORD7:42 pmChicago O'Hare Intl

1h 25m

STL9:07 pmLambert-St Louis

$233

United Airlines

Mar 19

STL5:00 amLambert-St Louis

1h 30m

ORD6:30 amChicago O'Hare Intl

Apr 5

ORD7:40 pmChicago O'Hare Intl

1h 28m

STL9:08 pmLambert-St Louis

$241

Frontier flights from St. Louis to Indiana

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

Frontier

Feb 23

STL3:49 pmLambert-St Louis

28h 36m

1 stop

CVG9:25 pmCincinnati Cinci./N. Kentucky

Feb 26

CVG5:20 amCincinnati Cinci./N. Kentucky

19h 39m

1 stop

STL11:59 pmLambert-St Louis

$160

Frontier

Mar 16

STL8:10 pmLambert-St Louis

10h 13m

1 stop

CVG7:23 amCincinnati Cinci./N. Kentucky

Mar 17

CVG7:41 pmCincinnati Cinci./N. Kentucky

15h 56m

1 stop

STL10:37 amLambert-St Louis

$175

Frontier

Feb 23

STL3:49 pmLambert-St Louis

28h 36m

1 stop

CVG9:25 pmCincinnati Cinci./N. Kentucky

Feb 26

CVG5:20 amCincinnati Cinci./N. Kentucky

19h 39m

1 stop

STL11:59 pmLambert-St Louis

$181

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 2/23

3:49 pm-9:25 pm

1 stop28h 36m

Cincinnati Cinci./N. Kentucky

Thu 2/26

5:20 am-11:59 pm

1 stop19h 39m

$160

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 3/16

8:10 pm-7:23 am

1 stop10h 13m

Cincinnati Cinci./N. Kentucky

Tue 3/17

7:41 pm-10:37 am

1 stop15h 56m

$175

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 3/5

6:35 am-12:46 pm

1 stop6h 11m

Chicago Midway

Mon 3/9

1:10 pm-4:32 pm

1 stop3h 22m

$191

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 3/5

6:47 pm-11:56 pm

1 stop5h 09m

Chicago O'Hare Intl

Mon 3/9

5:59 pm-11:58 pm

1 stop5h 59m

$191

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 4/17

8:13 pm-2:20 pm

1 stop18h 07m

Chicago O'Hare Intl

Wed 4/22

1:40 pm-10:30 am

1 stop20h 50m

$193

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 3/7

8:00 am-9:31 am

Nonstop1h 31m

Chicago O'Hare Intl

Sun 3/8

7:15 am-8:38 am

Nonstop1h 23m

$194

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 4/17

8:13 pm-2:20 pm

1 stop18h 07m

Chicago O'Hare Intl

Wed 4/22

4:21 pm-7:12 pm

2 stops26h 51m

$202

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 3/10

8:00 am-9:31 am

Nonstop1h 31m

Chicago O'Hare Intl

Mon 8/31

6:53 pm-8:19 pm

Nonstop1h 26m

$207

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 3/11

7:40 am-1:19 pm

1 stop4h 39m

Dayton

Wed 3/18

9:14 am-2:42 pm

1 stop6h 28m

$249

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 2/25

7:41 am-1:25 pm

1 stop4h 44m

Dayton

Sun 3/1

9:00 am-12:21 pm

1 stop4h 21m

$259

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 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?
There are 5 operators available for flights from Lambert-St Louis Airport to Indiana as of February 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 7.2 11,271 reviews		Search American Airlines flights
United Airlines	PriceFrom $243	Free Cancellation	Rating 7.4 9,279 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.