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

Frontier, Delta, and Southwest 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 2 operators available for flights from Lambert-St Louis Airport to Indiana as of November 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.

$110 Cheap Flights from St. Louis to Indiana in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Indiana

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:20 pm - 3:46 pmSTL Lambert-St Louis-IND Indianapolis

20h 26m2 stops Orlando Denver Intl

8:27 pm - 11:17 amIND Indianapolis-STL Lambert-St Louis

15h 50m1 stop Atlanta Hartsfield-Jackson

$235Frontier

Thu, Dec 10 - Sun, Dec 13

4:25 pm - 9:40 pmSTL Lambert-St Louis-IND Indianapolis

4h 15m1 stop Chicago Midway

5:30 pm - 11:50 pmIND Indianapolis-STL Lambert-St Louis

7h 20m1 stop Baltimore/Washington

$273Southwest

Thu, Jan 14 - Mon, Jan 18

6:20 pm - 11:00 amSTL Lambert-St Louis-IND Indianapolis

15h 40m1 stop Orlando

8:27 pm - 11:17 amIND Indianapolis-STL Lambert-St Louis

15h 50m1 stop Atlanta Hartsfield-Jackson

$281Frontier

Thu, Dec 10 - Sun, Dec 13

6:20 pm - 3:46 pmSTL Lambert-St Louis-IND Indianapolis

20h 26m2 stops Orlando Denver Intl

8:27 pm - 10:57 amIND Indianapolis-STL Lambert-St Louis

15h 30m2 stops Atlanta Hartsfield-Jackson Denver Intl

$285Frontier

Thu, Dec 10 - Sun, Dec 13

7:50 am - 9:40 pmSTL Lambert-St Louis-IND Indianapolis

12h 50m2 stops Nashville Intl Chicago Midway

6:00 pm - 10:50 pmIND Indianapolis-STL Lambert-St Louis

5h 50m1 stop Chicago Midway

$301Southwest

Thu, Jan 14 - Mon, Jan 18

7:26 am - 1:58 pmSTL Lambert-St Louis-SBN South Bend/Michiana

5h 32m1 stop Chicago O'Hare Intl

2:41 pm - 7:58 pmSBN South Bend/Michiana-STL Lambert-St Louis

6h 17m1 stop Chicago O'Hare Intl

$309American Airlines

Tue, Nov 24 - Wed, Dec 2

5:05 am - 10:56 amSTL Lambert-St Louis-SBN South Bend/Michiana

4h 51m1 stop Chicago O'Hare Intl

9:15 am - 12:13 pmSBN South Bend/Michiana-STL Lambert-St Louis

3h 58m1 stop Chicago O'Hare Intl

$319United Airlines

Wed, Dec 23 - Wed, Jan 6

6:58 pm - 11:59 pmSTL Lambert-St Louis-FWA Fort Wayne

4h 01m1 stop Chicago O'Hare Intl

5:15 am - 10:35 amFWA Fort Wayne-STL Lambert-St Louis

6h 20m1 stop Chicago O'Hare Intl

$329United Airlines

Fri, Jan 1 - Wed, Jan 6

7:18 am - 2:51 pmSTL Lambert-St Louis-FWA Fort Wayne

6h 33m1 stop Chicago O'Hare Intl

2:05 pm - 5:13 pmFWA Fort Wayne-STL Lambert-St Louis

4h 08m1 stop Chicago O'Hare Intl

$334United Airlines

Sat, Jan 2 - Wed, Jan 6

4:40 pm - 12:20 amSTL Lambert-St Louis-IND Indianapolis

6h 40m2 stops Charlotte Douglas Baltimore/Washington

10:05 am - 3:15 pmIND Indianapolis-STL Lambert-St Louis

6h 10m1 stop Atlanta Hartsfield-Jackson

$482Southwest

Mon, Nov 23 - Sun, Nov 29

Cheap last minute flights

Enter your travel dates to find the best prices.

12:14 pm - 7:53 pmSTL Lambert-St Louis-IND Indianapolis

6h 39m1 stop Dallas/Fort Worth

11:25 am - 11:16 pmIND Indianapolis-STL Lambert-St Louis

12h 51m1 stop Orlando

$360Frontier

Thu, Nov 12 - Sun, Nov 15

12:14 pm - 7:53 pmSTL Lambert-St Louis-IND Indianapolis

6h 39m1 stop Dallas/Fort Worth

11:25 am - 11:16 pmIND Indianapolis-STL Lambert-St Louis

12h 51m1 stop Orlando

$405Frontier

Thu, Nov 12 - Sun, Nov 15

6:00 am - 12:56 pmSTL Lambert-St Louis-IND Indianapolis

5h 56m1 stop Atlanta Hartsfield-Jackson

2:06 pm - 6:13 pmIND Indianapolis-STL Lambert-St Louis

5h 07m1 stop Atlanta Hartsfield-Jackson

$683Delta

Sat, Nov 14 - Sun, Nov 15

7:00 am - 8:25 pmSTL Lambert-St Louis-IND Indianapolis

12h 25m2 stops Nashville Intl Chicago Midway

6:50 pm - 11:15 pmIND Indianapolis-STL Lambert-St Louis

5h 25m1 stop Tampa

$694Southwest

Sat, Nov 14 - Sun, Nov 15

1:00 pm - 7:22 pmSTL Lambert-St Louis-IND Indianapolis

5h 22m1 stop Washington, D.C. Dulles Intl

1:40 pm - 6:09 pmIND Indianapolis-STL Lambert-St Louis

5h 29m1 stop Chicago O'Hare Intl

$717United Airlines

Fri, Nov 13 - Sun, Nov 15

4:40 pm - 12:20 amSTL Lambert-St Louis-IND Indianapolis

6h 40m2 stops Charlotte Douglas Baltimore/Washington

5:10 am - 9:35 amIND Indianapolis-STL Lambert-St Louis

5h 25m1 stop Austin Bergstrom

$732Southwest

Fri, Nov 13 - Sun, Nov 15

4:40 pm - 12:20 amSTL Lambert-St Louis-IND Indianapolis

6h 40m2 stops Charlotte Douglas Baltimore/Washington

6:40 pm - 12:10 amIND Indianapolis-STL Lambert-St Louis

6h 30m1 stop Orlando

$732Southwest

Thu, Nov 12 - Sun, Nov 15

12:14 pm - 10:30 amSTL Lambert-St Louis-IND Indianapolis

21h 16m2 stops Dallas/Fort Worth Orlando

11:25 am - 11:19 amIND Indianapolis-STL Lambert-St Louis

24h 54m2 stops Orlando Dallas/Fort Worth

$736Frontier

Thu, Nov 12 - Sun, Nov 15

1:08 pm - 6:39 pmSTL Lambert-St Louis-SBN South Bend/Michiana

4h 31m1 stop Chicago O'Hare Intl

4:39 pm - 7:23 pmSBN South Bend/Michiana-STL Lambert-St Louis

3h 44m1 stop Chicago O'Hare Intl

$737United Airlines

Mon, Nov 9 - Tue, Nov 10

6:00 am - 2:30 pmSTL Lambert-St Louis-IND Indianapolis

7h 30m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

6:33 pm - 9:40 pmIND Indianapolis-STL Lambert-St Louis

4h 07m1 stop Chicago O'Hare Intl

$959United Airlines

Thu, Nov 12 - Sun, Nov 15

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

United Airlines flights from St. Louis to Indiana

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

United Airlines

Dec 23

STL5:05 amLambert-St Louis

4h 51m

1 stop

SBN10:56 amSouth Bend/Michiana

Jan 6

SBN9:15 amSouth Bend/Michiana

3h 58m

1 stop

STL12:13 pmLambert-St Louis

$319

United Airlines

Jan 2

STL7:18 amLambert-St Louis

6h 33m

1 stop

FWA2:51 pmFort Wayne

Jan 6

FWA2:05 pmFort Wayne

4h 08m

1 stop

STL5:13 pmLambert-St Louis

$334

United Airlines

Nov 21

STL9:40 amLambert-St Louis

5h 21m

1 stop

SBN4:01 pmSouth Bend/Michiana

Nov 25

SBN9:18 amSouth Bend/Michiana

3h 52m

1 stop

STL12:10 pmLambert-St Louis

$349

Frontier flights from St. Louis to Indiana

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

Frontier

Dec 10

STL6:20 pmLambert-St Louis

20h 26m

2 stops

IND3:46 pmIndianapolis

Dec 13

IND8:27 pmIndianapolis

15h 50m

1 stop

STL11:17 amLambert-St Louis

$235

Frontier

Dec 10

STL6:20 pmLambert-St Louis

15h 40m

1 stop

IND11:00 amIndianapolis

Dec 13

IND8:27 pmIndianapolis

15h 50m

1 stop

STL11:17 amLambert-St Louis

$281

Frontier

Dec 10

STL6:20 pmLambert-St Louis

20h 26m

2 stops

IND3:46 pmIndianapolis

Dec 13

IND8:27 pmIndianapolis

15h 30m

2 stops

STL10:57 amLambert-St Louis

$285

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisIndianapolis

STL Lambert-St Louis - IND Indianapolis

STLIND

Lambert-St Louis

Thu 12/10

6:20 pm-3:46 pm

2 stops20h 26m

Indianapolis

Sun 12/13

8:27 pm-11:17 am

1 stop15h 50m

$235

St. LouisIndianapolis

STL Lambert-St Louis - IND Indianapolis

STLIND

Lambert-St Louis

Thu 1/14

4:25 pm-9:40 pm

1 stop4h 15m

Indianapolis

Mon 1/18

5:30 pm-11:50 pm

1 stop7h 20m

$273

St. LouisIndianapolis

STL Lambert-St Louis - IND Indianapolis

STLIND

Lambert-St Louis

Thu 12/10

6:20 pm-11:00 am

1 stop15h 40m

Indianapolis

Sun 12/13

8:27 pm-11:17 am

1 stop15h 50m

$281

St. LouisIndianapolis

STL Lambert-St Louis - IND Indianapolis

STLIND

Lambert-St Louis

Thu 12/10

6:20 pm-3:46 pm

2 stops20h 26m

Indianapolis

Sun 12/13

8:27 pm-10:57 am

2 stops15h 30m

$285

St. LouisIndianapolis

STL Lambert-St Louis - IND Indianapolis

STLIND

Lambert-St Louis

Thu 1/14

7:50 am-9:40 pm

2 stops12h 50m

Indianapolis

Mon 1/18

6:00 pm-10:50 pm

1 stop5h 50m

$301

St. LouisSouth Bend

STL Lambert-St Louis - SBN South Bend/Michiana

STLSBN

Lambert-St Louis

Tue 11/24

7:26 am-1:58 pm

1 stop5h 32m

South Bend/Michiana

Wed 12/2

2:41 pm-7:58 pm

1 stop6h 17m

$309

Quickest round-trip

St. LouisSouth Bend

STL Lambert-St Louis - SBN South Bend/Michiana

STLSBN

Lambert-St Louis

Wed 12/23

5:05 am-10:56 am

1 stop4h 51m

South Bend/Michiana

Wed 1/6

9:15 am-12:13 pm

1 stop3h 58m

$319

St. LouisFort Wayne

STL Lambert-St Louis - FWA Fort Wayne

STLFWA

Lambert-St Louis

Fri 1/1

6:58 pm-11:59 pm

1 stop4h 01m

Fort Wayne

Wed 1/6

5:15 am-10:35 am

1 stop6h 20m

$329

St. LouisFort Wayne

STL Lambert-St Louis - FWA Fort Wayne

STLFWA

Lambert-St Louis

Sat 1/2

7:18 am-2:51 pm

1 stop6h 33m

Fort Wayne

Wed 1/6

2:05 pm-5:13 pm

1 stop4h 08m

$334

St. LouisIndianapolis

STL Lambert-St Louis - IND Indianapolis

STLIND

Lambert-St Louis

Mon 11/23

4:40 pm-12:20 am

2 stops6h 40m

Indianapolis

Sun 11/29

10:05 am-3:15 pm

1 stop6h 10m

$482

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

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 July is another great option to travel to Indiana, with average flight prices from St. Louis averaging around $346.

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	$110
Fastest flight time	1h 05m
Direct flights	None

The best one-way flight to Indiana from St. Louis in the past 72 hours is $110. The best round-trip flight deal from St. Louis to Indiana found on momondo in the last 72 hours is $235.

The fastest flight from St. Louis to Indiana takes 1h 05m

There are no direct flights from St. Louis to Indiana. There are no popular flight routes from St. Louis to Indiana.

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 2 operators available for flights from Lambert-St Louis Airport to Indiana as of November 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
Southwest	PriceFrom $243	Free Cancellation	Rating 8.0 4,215 reviews		Search Southwest flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.3 10,469 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.