How does KAYAK find such low prices on flights from Indiana to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Indiana to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Indiana to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Indiana is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Indiana to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Indiana with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Indiana to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Indiana up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$90 CHEAP FLIGHTS from Indiana to St. Louis

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Flight Deals

Cheap Flights from Indiana to St. Louis

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Indiana to St. Louis

Mon, Jan 11 - Sat, Jan 16

7:15 pm - 9:45 pmIND Indianapolis-STL Lambert-St Louis

3h 30m1 stop Nashville Intl

9:00 am - 8:00 pmSTL Lambert-St Louis-IND Indianapolis

10h 00m2 stops Nashville Intl Chicago Midway

$216Southwest

Mon, Jan 11 - Sat, Jan 16

6:55 am - 11:55 amIND Indianapolis-STL Lambert-St Louis

6h 00m1 stop Denver Intl

8:45 am - 8:45 pmSTL Lambert-St Louis-IND Indianapolis

11h 00m1 stop Tampa

$216Southwest

Tue, Nov 17 - Mon, Nov 30

11:25 am - 5:42 pmIND Indianapolis-STL Lambert-St Louis

31h 17m2 stops Orlando Atlanta Hartsfield-Jackson

6:35 pm - 6:32 pmSTL Lambert-St Louis-IND Indianapolis

22h 57m1 stop Atlanta Hartsfield-Jackson

$221Frontier

Mon, Jan 11 - Sat, Jan 16

6:45 am - 3:00 pmIND Indianapolis-STL Lambert-St Louis

9h 15m2 stops Nashville Intl Chicago Midway

9:00 am - 8:00 pmSTL Lambert-St Louis-IND Indianapolis

10h 00m2 stops Nashville Intl Chicago Midway

$226Southwest

Sat, Nov 7 - Sat, Nov 14

2:27 pm - 4:46 pmSBN South Bend/Michiana-STL Lambert-St Louis

3h 19m1 stop Chicago O'Hare Intl

7:26 am - 1:57 pmSTL Lambert-St Louis-SBN South Bend/Michiana

5h 31m1 stop Chicago O'Hare Intl

$257American Airlines

Wed, Jan 13 - Tue, Jan 19

10:50 am - 4:18 pmSBN South Bend/Michiana-STL Lambert-St Louis

6h 28m1 stop Chicago O'Hare Intl

3:03 pm - 7:57 pmSTL Lambert-St Louis-SBN South Bend/Michiana

3h 54m1 stop Chicago O'Hare Intl

$257United Airlines

Thu, Nov 5 - Mon, Nov 9

6:40 am - 10:32 amSBN South Bend/Michiana-STL Lambert-St Louis

4h 52m1 stop Chicago O'Hare Intl

5:00 am - 9:50 amSTL Lambert-St Louis-SBN South Bend/Michiana

3h 50m1 stop Chicago O'Hare Intl

$257United Airlines

Fri, Dec 11 - Sun, Dec 13

5:04 pm - 7:58 pmSBN South Bend/Michiana-STL Lambert-St Louis

3h 54m1 stop Chicago O'Hare Intl

1:43 pm - 9:04 pmSTL Lambert-St Louis-SBN South Bend/Michiana

6h 21m1 stop Chicago O'Hare Intl

$283American Airlines

Thu, Dec 3 - Sun, Dec 6

2:41 pm - 6:49 pmSBN South Bend/Michiana-STL Lambert-St Louis

5h 08m1 stop Chicago O'Hare Intl

11:37 am - 4:34 pmSTL Lambert-St Louis-SBN South Bend/Michiana

3h 57m1 stop Chicago O'Hare Intl

$283American Airlines

Thu, Nov 5 - Wed, Nov 11

8:38 am - 12:10 pmSBN South Bend/Michiana-STL Lambert-St Louis

4h 32m1 stop Chicago O'Hare Intl

10:53 am - 4:01 pmSTL Lambert-St Louis-SBN South Bend/Michiana

4h 08m1 stop Chicago O'Hare Intl

$283United Airlines

Recent last minute flight deals from Indiana to St. Louis

Tue, Oct 13 - Sat, Oct 17

6:00 am - 10:51 amFWA Fort Wayne-STL Lambert-St Louis

5h 51m1 stop Atlanta Hartsfield-Jackson

4:22 pm - 8:47 pmSTL Lambert-St Louis-FWA Fort Wayne

3h 25m1 stop Detroit Metropolitan Wayne County

$389Delta

Tue, Oct 13 - Thu, Oct 15

7:10 am - 12:15 pmIND Indianapolis-STL Lambert-St Louis

6h 05m1 stop Denver Intl

6:10 pm - 12:15 amSTL Lambert-St Louis-IND Indianapolis

5h 05m1 stop Chicago Midway

$653Southwest

Tue, Oct 13 - Thu, Oct 15

6:35 pm - 11:15 pmIND Indianapolis-STL Lambert-St Louis

5h 40m1 stop Denver Intl

4:30 pm - 12:45 amSTL Lambert-St Louis-IND Indianapolis

7h 15m2 stops Charleston Baltimore/Washington

$658Southwest

Tue, Oct 13 - Thu, Oct 15

9:35 am - 4:45 pmIND Indianapolis-STL Lambert-St Louis

8h 10m2 stops Baltimore/Washington Orlando

4:30 pm - 12:45 amSTL Lambert-St Louis-IND Indianapolis

7h 15m2 stops Charleston Baltimore/Washington

$663Southwest

Mon, Oct 12 - Thu, Oct 15

4:00 pm - 9:09 pmIND Indianapolis-STL Lambert-St Louis

6h 09m1 stop Newark

8:00 am - 3:14 pmSTL Lambert-St Louis-IND Indianapolis

6h 14m1 stop Chicago O'Hare Intl

$699United Airlines

Tue, Oct 13 - Thu, Oct 15

4:45 pm - 9:21 pmSBN South Bend/Michiana-STL Lambert-St Louis

5h 36m1 stop Chicago O'Hare Intl

10:27 am - 5:47 pmSTL Lambert-St Louis-SBN South Bend/Michiana

6h 20m1 stop Chicago O'Hare Intl

$717United Airlines

Tue, Oct 13 - Thu, Oct 15

4:45 pm - 9:21 pmSBN South Bend/Michiana-STL Lambert-St Louis

5h 36m1 stop Chicago O'Hare Intl

10:27 am - 5:47 pmSTL Lambert-St Louis-SBN South Bend/Michiana

6h 20m1 stop Chicago O'Hare Intl

$737United Airlines

Tue, Oct 13 - Sat, Oct 17

7:15 am - 4:00 pmFWA Fort Wayne-STL Lambert-St Louis

9h 45m2 stops Chicago O'Hare Intl Newark

8:00 am - 1:50 pmSTL Lambert-St Louis-FWA Fort Wayne

4h 50m1 stop Chicago O'Hare Intl

$830United Airlines

Tue, Oct 13 - Thu, Oct 15

7:07 am - 2:46 pmSBN South Bend/Michiana-STL Lambert-St Louis

8h 39m2 stops Chicago O'Hare Intl Charlotte Douglas

7:29 am - 2:04 pmSTL Lambert-St Louis-SBN South Bend/Michiana

5h 35m1 stop Chicago O'Hare Intl

$1,041American Airlines

Tue, Oct 13 - Thu, Oct 15

2:34 pm - 11:04 pmSBN South Bend/Michiana-STL Lambert-St Louis

9h 30m2 stops Chicago O'Hare Intl Charlotte Douglas

11:31 am - 4:57 pmSTL Lambert-St Louis-SBN South Bend/Michiana

4h 26m1 stop Chicago O'Hare Intl

$1,052American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$90

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Indianapolis to St. Louis

How does KAYAK find such low prices on flights from Indiana to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Indiana to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Indiana to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Indiana is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Indiana to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Indiana with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Indiana to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Indiana up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.