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

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

The number of flights available between St. Louis and Indiana is 515 per week as of May 2026. The most frequent departure day is Fri, with 17% 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 May 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.

$63 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.

6:31 pm - 11:49 am

STL

CVG

16h 18m

1 stop

12:24 pm - 5:30 pm

CVG

STL

6h 06m

1 stop

$124Frontier

Tue, Jun 16 - Tue, Jun 23

5:06 pm - 11:14 am

STL

CVG

17h 08m

1 stop

12:24 pm - 8:52 am

CVG

STL

21h 28m

1 stop

$126Frontier

Mon, Jun 15 - Sun, Jun 21

6:31 pm - 11:49 am

STL

CVG

16h 18m

1 stop

5:17 pm - 5:30 pm

CVG

STL

49h 13m

2 stops

$181Multiple Airlines

Tue, Jun 16 - Tue, Jun 23

5:06 pm - 12:25 pm

STL

CVG

18h 19m

2 stops

12:24 pm - 8:52 am

CVG

STL

21h 28m

1 stop

$189Multiple Airlines

Wed, Jun 17 - Sun, Jun 21

9:08 am - 10:36 am

STL

ORD

1h 28mnonstop

7:04 am - 8:31 am

ORD

STL

1h 27mnonstop

$237American Airlines

Tue, Jul 14 - Sat, Jul 18

5:55 pm - 7:05 pm

STL

MDW

1h 10mnonstop

6:30 am - 7:45 am

MDW

STL

1h 15mnonstop

$237Southwest

Wed, Jul 1 - Sat, Jul 4

9:09 am - 10:35 am

STL

ORD

1h 26mnonstop

7:10 pm - 8:32 pm

ORD

STL

1h 22mnonstop

$238American Airlines

Mon, Jun 29 - Wed, Jul 1

4:00 pm - 5:05 pm

STL

MDW

1h 05mnonstop

6:30 am - 3:40 pm

MDW

STL

9h 10m

1 stop

$247Southwest

Wed, Jul 1 - Sat, Jul 4

6:00 am - 11:04 am

STL

DAY

4h 04m

1 stop

6:15 pm - 9:26 pm

DAY

STL

4h 11m

1 stop

$293United Airlines

Sat, Jun 20 - Sat, Jun 27

12:59 pm - 8:24 pm

STL

DAY

6h 25m

1 stop

9:00 am - 12:02 pm

DAY

STL

4h 02m

1 stop

$341United Airlines

Sat, Aug 29 - Tue, Sep 1

Delta flights from St. Louis to Indiana

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

Delta

Nov 4

STL2:18 pmLambert-St Louis

4h 22m

1 stop

ORD6:40 pmChicago O'Hare Intl

Nov 11

ORD7:05 amChicago O'Hare Intl

6h 15m

1 stop

STL1:20 pmLambert-St Louis

$218

Delta

Jun 24

STL6:30 amLambert-St Louis

6h 34m

1 stop

ORD1:04 pmChicago O'Hare Intl

Jul 6

ORD7:01 amChicago O'Hare Intl

6h 08m

1 stop

STL1:09 pmLambert-St Louis

$257

Delta

Jun 12

STL1:59 pmLambert-St Louis

6h 32m

1 stop

ORD8:31 pmChicago O'Hare Intl

Jun 16

ORD2:07 pmChicago O'Hare Intl

6h 32m

1 stop

STL8:39 pmLambert-St Louis

$268

Frontier flights from St. Louis to Indiana

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

Frontier

Jun 16

STL6:31 pmLambert-St Louis

16h 18m

1 stop

CVG11:49 amCincinnati Cinci./N. Kentucky

Jun 23

CVG12:24 pmCincinnati Cinci./N. Kentucky

6h 06m

1 stop

STL5:30 pmLambert-St Louis

$124

Frontier

Jun 15

STL5:06 pmLambert-St Louis

17h 08m

1 stop

CVG11:14 amCincinnati Cinci./N. Kentucky

Jun 21

CVG12:24 pmCincinnati Cinci./N. Kentucky

21h 28m

1 stop

STL8:52 amLambert-St Louis

$126

Frontier

Jun 12

STL5:06 pmLambert-St Louis

17h 41m

1 stop

CVG11:47 amCincinnati Cinci./N. Kentucky

Jun 14

CVG12:24 pmCincinnati Cinci./N. Kentucky

6h 06m

1 stop

STL5:30 pmLambert-St Louis

$150

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 6/16

6:31 pm-11:49 am

1 stop16h 18m

Cincinnati Cinci./N. Kentucky

Tue 6/23

12:24 pm-5:30 pm

1 stop6h 06m

$124

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 6/15

5:06 pm-11:14 am

1 stop17h 08m

Cincinnati Cinci./N. Kentucky

Sun 6/21

12:24 pm-8:52 am

1 stop21h 28m

$126

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Tue 6/16

6:31 pm-11:49 am

1 stop16h 18m

Cincinnati Cinci./N. Kentucky

Tue 6/23

5:17 pm-5:30 pm

2 stops49h 13m

$181

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 6/17

5:06 pm-12:25 pm

2 stops18h 19m

Cincinnati Cinci./N. Kentucky

Sun 6/21

12:24 pm-8:52 am

1 stop21h 28m

$189

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 7/14

9:08 am-10:36 am

Nonstop1h 28m

Chicago O'Hare Intl

Sat 7/18

7:04 am-8:31 am

Nonstop1h 27m

$237

Quickest round-trip

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 7/1

5:55 pm-7:05 pm

Nonstop1h 10m

Chicago Midway

Sat 7/4

6:30 am-7:45 am

Nonstop1h 15m

$237

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 6/29

9:09 am-10:35 am

Nonstop1h 26m

Chicago O'Hare Intl

Wed 7/1

7:10 pm-8:32 pm

Nonstop1h 22m

$238

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 7/1

4:00 pm-5:05 pm

Nonstop1h 05m

Chicago Midway

Sat 7/4

6:30 am-3:40 pm

1 stop9h 10m

$247

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 6/20

6:00 am-11:04 am

1 stop4h 04m

Dayton

Sat 6/27

6:15 pm-9:26 pm

1 stop4h 11m

$293

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 8/29

12:59 pm-8:24 pm

1 stop6h 25m

Dayton

Tue 9/1

9:00 am-12:02 pm

1 stop4h 02m

$341

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 October. Flight prices, which tend to average around $185, 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.

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

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 May 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.
What is the most popular plane model from St. Louis to Indiana?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Indiana is Boeing 737 MAX 8, representing 100.00% of all bookings.

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 11,644 reviews		Search American Airlines flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,751 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.