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

The number of flights available between St. Louis and Indiana is 201 per week as of September 2026. The most frequent departure day is Mon, with 36% 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 September 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.

$48 Cheap Flights from St. Louis to Indiana in 2026

Discover deals from 900+ travel sites with momondo.

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.

2:29 pm - 11:38 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

20h 09m1 stop Atlanta Hartsfield-Jackson

12:43 pm - 5:40 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

5h 57m1 stop Atlanta Hartsfield-Jackson

$103Frontier

Mon, Oct 5 - Mon, Oct 12

8:50 pm - 10:00 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 10mnonstop

8:50 pm - 10:05 pmMDW Chicago Midway-STL Lambert-St Louis

1h 15mnonstop

$117Southwest

Tue, Oct 6 - Tue, Oct 13

9:04 am - 10:40 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 36mnonstop

8:55 am - 10:32 amORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 37mnonstop

$117United Airlines

Wed, Oct 21 - Wed, Oct 28

8:00 am - 9:31 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 31mnonstop

2:12 pm - 3:43 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 31mnonstop

$117United Airlines

Thu, Oct 22 - Sat, Oct 24

7:29 am - 9:00 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 31mnonstop

11:05 am - 12:35 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 30mnonstop

$117American Airlines

Thu, Oct 8 - Sat, Oct 24

5:00 am - 6:26 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 26mnonstop

9:29 am - 10:50 amORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 21mnonstop

$117American Airlines

Sat, Oct 10 - Mon, Oct 12

10:00 pm - 11:05 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

10:05 pm - 11:20 pmMDW Chicago Midway-STL Lambert-St Louis

1h 15mnonstop

$117Southwest

Thu, Oct 1 - Mon, Oct 5

6:35 pm - 7:50 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

12h 15m1 stop Atlanta Hartsfield-Jackson

5:11 pm - 5:40 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

25h 29m1 stop Atlanta Hartsfield-Jackson

$132Frontier

Wed, Oct 14 - Sun, Oct 18

2:17 pm - 8:15 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

5h 58m1 stop Detroit Metropolitan Wayne County

9:30 am - 2:31 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

5h 01m1 stop Minneapolis St Paul

$157Delta

Thu, Dec 10 - Wed, Jan 13

6:40 am - 12:59 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

6h 19m1 stop Detroit Metropolitan Wayne County

8:29 am - 1:53 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

5h 24m1 stop Detroit Metropolitan Wayne County

$157Delta

Thu, Oct 1 - Tue, Oct 13

Cheap last minute flights

Enter your travel dates to find the best prices.

8:10 pm - 12:23 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

28h 13m1 stop Denver Intl

6:30 am - 7:17 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

12h 47m1 stop Denver Intl

$282Frontier

Sat, Sep 12 - Sat, Sep 19

8:10 pm - 12:23 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

28h 13m1 stop Denver Intl

6:30 am - 7:17 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

12h 47m1 stop Denver Intl

$287Frontier

Sat, Sep 12 - Sat, Sep 19

2:29 pm - 11:44 pmSTL Lambert-St Louis-MDW Chicago Midway

9h 15m1 stop Atlanta Hartsfield-Jackson

6:25 am - 1:10 pmMDW Chicago Midway-STL Lambert-St Louis

6h 45m1 stop Atlanta Hartsfield-Jackson

$300Frontier

Fri, Sep 11 - Mon, Sep 14

5:00 am - 11:49 amSTL Lambert-St Louis-DAY Dayton

5h 49m1 stop Chicago O'Hare Intl

7:09 pm - 12:27 amDAY Dayton-STL Lambert-St Louis

6h 18m1 stop Chicago O'Hare Intl

$379American Airlines

Fri, Sep 11 - Mon, Sep 14

5:18 pm - 7:13 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 55mnonstop

11:15 am - 12:50 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 35mnonstop

$388American Airlines

Sat, Sep 12 - Tue, Dec 15

6:00 am - 7:33 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 33mnonstop

9:30 pm - 10:59 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 29mnonstop

$486United Airlines

Mon, Sep 14 - Wed, Sep 16

5:30 pm - 7:01 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 31mnonstop

3:35 pm - 5:06 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 31mnonstop

$486United Airlines

Sun, Sep 13 - Tue, Sep 15

3:00 pm - 4:10 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 10mnonstop

9:55 am - 11:05 amMDW Chicago Midway-STL Lambert-St Louis

1h 10mnonstop

$488Southwest

Sat, Sep 12 - Sat, Sep 19

8:25 am - 9:30 amSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

7:40 am - 1:30 pmMDW Chicago Midway-STL Lambert-St Louis

5h 50m1 stop Raleigh-Durham

$498Southwest

Sat, Sep 12 - Sat, Sep 19

3:19 pm - 1:00 pmSTL Lambert-St Louis-OWB Owensboro Daviess County

21h 41m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

9:00 am - 11:59 pmOWB Owensboro Daviess County-STL Lambert-St Louis

14h 59m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$2,175Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

Cheap direct flights

Enter your travel dates to find the best prices.

7:26 am - 9:00 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 34mnonstop

4:59 pm - 6:29 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 30mnonstop

$117American Airlines

Thu, Dec 10 - Wed, Jan 13

11:31 am - 12:59 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 28mnonstop

9:29 am - 10:50 amORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 21mnonstop

$117American Airlines

Thu, Oct 8 - Thu, Oct 15

8:00 am - 9:31 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 31mnonstop

2:12 pm - 3:43 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 31mnonstop

$117United Airlines

Thu, Oct 22 - Sat, Oct 24

5:36 pm - 7:05 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 29mnonstop

7:50 pm - 9:21 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 31mnonstop

$117United Airlines

Tue, Oct 6 - Tue, Oct 13

8:50 pm - 10:00 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 10mnonstop

8:50 pm - 10:05 pmMDW Chicago Midway-STL Lambert-St Louis

1h 15mnonstop

$117Southwest

Tue, Oct 6 - Tue, Oct 13

10:00 pm - 11:05 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

10:05 pm - 11:20 pmMDW Chicago Midway-STL Lambert-St Louis

1h 15mnonstop

$117Southwest

Thu, Oct 1 - Mon, Oct 5

7:27 am - 9:05 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 38mnonstop

11:05 am - 12:35 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 30mnonstop

$117American Airlines

Thu, Oct 1 - Tue, Oct 13

7:29 am - 9:00 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 31mnonstop

11:05 am - 12:35 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 30mnonstop

$117American Airlines

Thu, Oct 8 - Sat, Oct 24

5:25 am - 6:30 amSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

6:30 am - 7:45 amMDW Chicago Midway-STL Lambert-St Louis

1h 15mnonstop

$117Southwest

Thu, Oct 29 - Mon, Nov 2

6:05 am - 7:10 amSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

10:05 pm - 11:20 pmMDW Chicago Midway-STL Lambert-St Louis

1h 15mnonstop

$117Southwest

Sat, Oct 10 - Mon, Oct 12

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from St. Louis to Indiana

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

American Airlines

Oct 8

STL7:29 amLambert-St Louis

1h 31m

ORD9:00 amChicago O'Hare Intl

Oct 24

ORD11:05 amChicago O'Hare Intl

1h 30m

STL12:35 pmLambert-St Louis

$117

American Airlines

Oct 1

STL7:27 amLambert-St Louis

1h 38m

ORD9:05 amChicago O'Hare Intl

Oct 5

ORD7:34 pmChicago O'Hare Intl

1h 23m

STL8:57 pmLambert-St Louis

$118

American Airlines

Sep 25

STL5:00 amLambert-St Louis

1h 29m

ORD6:29 amChicago O'Hare Intl

Sep 28

ORD11:05 pmChicago O'Hare Intl

1h 22m

STL12:27 amLambert-St Louis

$134

Delta flights from St. Louis to Indiana

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

Delta

Oct 1

STL6:40 amLambert-St Louis

6h 19m

1 stop

ORD12:59 pmChicago O'Hare Intl

Oct 13

ORD8:29 amChicago O'Hare Intl

5h 24m

1 stop

STL1:53 pmLambert-St Louis

$157

Delta

Oct 14

STL6:47 amLambert-St Louis

3h 42m

1 stop

ORD10:29 amChicago O'Hare Intl

Oct 23

ORD6:20 amChicago O'Hare Intl

5h 48m

1 stop

STL12:08 pmLambert-St Louis

$174

Delta

Dec 10

STL2:17 pmLambert-St Louis

5h 58m

1 stop

ORD8:15 pmChicago O'Hare Intl

Jan 13

ORD9:30 amChicago O'Hare Intl

5h 01m

1 stop

STL2:31 pmLambert-St Louis

$177

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCincinnati

STL Lambert-St Louis - CVG Cincinnati Cinci./N. Kentucky

STLCVG

Lambert-St Louis

Mon 10/5

2:29 pm-11:38 am

1 stop20h 09m

Cincinnati Cinci./N. Kentucky

Mon 10/12

12:43 pm-5:40 pm

1 stop5h 57m

$103

St. LouisChicago

STL Lambert-St Louis - MDW Chicago Midway

STLMDW

Lambert-St Louis

Tue 10/6

8:50 pm-10:00 pm

Nonstop1h 10m

Chicago Midway

Tue 10/13

8:50 pm-10:05 pm

Nonstop1h 15m

$117

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Wed 10/21

9:04 am-10:40 am

Nonstop1h 36m

Chicago O'Hare Intl

Wed 10/28

8:55 am-10:32 am

Nonstop1h 37m

$117

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Thu 10/22

8:00 am-9:31 am

Nonstop1h 31m

Chicago O'Hare Intl

Sat 10/24

2:12 pm-3:43 pm

Nonstop1h 31m

$117

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Thu 10/8

7:29 am-9:00 am

Nonstop1h 31m

Chicago O'Hare Intl

Sat 10/24

11:05 am-12:35 pm

Nonstop1h 30m

$117

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Sat 10/10

5:00 am-6:26 am

Nonstop1h 26m

Chicago O'Hare Intl

Mon 10/12

9:29 am-10:50 am

Nonstop1h 21m

$117

Quickest round-trip

St. LouisChicago

STL Lambert-St Louis - MDW Chicago Midway

STLMDW

Lambert-St Louis

Thu 10/1

10:00 pm-11:05 pm

Nonstop1h 05m

Chicago Midway

Mon 10/5

10:05 pm-11:20 pm

Nonstop1h 15m

$117

St. LouisCincinnati

STL Lambert-St Louis - CVG Cincinnati Cinci./N. Kentucky

STLCVG

Lambert-St Louis

Wed 10/14

6:35 pm-7:50 am

1 stop12h 15m

Cincinnati Cinci./N. Kentucky

Sun 10/18

5:11 pm-5:40 pm

1 stop25h 29m

$132

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Thu 12/10

2:17 pm-8:15 pm

1 stop5h 58m

Chicago O'Hare Intl

Wed 1/13

9:30 am-2:31 pm

1 stop5h 01m

$157

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Thu 10/1

6:40 am-12:59 pm

1 stop6h 19m

Chicago O'Hare Intl

Tue 10/13

8:29 am-1:53 pm

1 stop5h 24m

$157

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 May. Flight prices, which tend to average around $0, 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 $268.

What is the cheapest Lambert-St Louis to Indiana flight route?

Fly from Lambert-St Louis to Indianapolis for the best Lambert-St Louis - Indiana flight prices

What cabin class options are available on St. Louis to Indiana flights?

There is only 1 cabin class available to choose from on St. Louis to Indiana flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

Best Price Found	$48
Fastest flight time	1h 05m
Direct flights	Every day
Airports in Indiana	94 airports

The best one-way flight to Indiana from St. Louis in the past 72 hours is $48. The best round-trip flight deal from St. Louis to Indiana found on momondo in the last 72 hours is $103.

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 September 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
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 10,188 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.