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.

$101 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

Tue, Nov 10 - 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

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

Wed, Dec 2 - Thu, Dec 3

6:00 am - 12:00 pmIND Indianapolis-STL Lambert-St Louis

7h 00m1 stop Tampa

4:15 pm - 9:50 pmSTL Lambert-St Louis-IND Indianapolis

4h 35m1 stop Dallas Love Field

$227Southwest

Wed, Dec 2 - Thu, Dec 3

2:10 pm - 7:25 pmIND Indianapolis-STL Lambert-St Louis

6h 15m2 stops Baltimore/Washington Pittsburgh

6:35 am - 12:05 pmSTL Lambert-St Louis-IND Indianapolis

4h 30m1 stop Baltimore/Washington

$232Southwest

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

Mon, Oct 26 - Sat, Oct 31

4:39 pm - 9:40 pmSBN South Bend/Michiana-STL Lambert-St Louis

6h 01m1 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

$309United Airlines

Sun, Nov 1 - Sun, Nov 8

7:11 pm - 10:15 pmFWA Fort Wayne-STL Lambert-St Louis

4h 04m1 stop Chicago O'Hare Intl

6:00 am - 10:58 amSTL Lambert-St Louis-FWA Fort Wayne

3h 58m1 stop Chicago O'Hare Intl

$319American Airlines

Wed, Nov 25 - Sun, Dec 13

4:39 pm - 9:40 pmSBN South Bend/Michiana-STL Lambert-St Louis

6h 01m1 stop Chicago O'Hare Intl

6:55 pm - 11:21 pmSTL Lambert-St Louis-SBN South Bend/Michiana

3h 26m1 stop Chicago O'Hare Intl

$330United Airlines

Thu, Nov 5 - Mon, Nov 9

6:00 am - 10:53 amSBN South Bend/Michiana-STL Lambert-St Louis

5h 53m1 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

$347American Airlines

Recent last minute flight deals from Indiana to St. Louis

Fri, Oct 9 - Sun, Oct 11

9:28 am - 12:13 pmSBN South Bend/Michiana-STL Lambert-St Louis

3h 45m1 stop Chicago O'Hare Intl

6:00 am - 10:57 amSTL Lambert-St Louis-SBN South Bend/Michiana

3h 57m1 stop Chicago O'Hare Intl

$359United Airlines

Fri, Oct 9 - Sun, Oct 11

7:15 am - 12:13 pmFWA Fort Wayne-STL Lambert-St Louis

5h 58m1 stop Chicago O'Hare Intl

9:04 am - 1:50 pmSTL Lambert-St Louis-FWA Fort Wayne

3h 46m1 stop Chicago O'Hare Intl

$409United Airlines

Sat, Oct 10 - Sun, Oct 11

3:55 pm - 8:25 pmIND Indianapolis-STL Lambert-St Louis

5h 30m1 stop Denver Intl

6:45 am - 12:25 pmSTL Lambert-St Louis-IND Indianapolis

4h 40m1 stop Dallas Love Field

$653Southwest

Wed, Oct 7 - Fri, Oct 9

7:05 am - 10:48 amIND Indianapolis-STL Lambert-St Louis

4h 43m1 stop Chicago O'Hare Intl

7:01 pm - 11:44 pmSTL Lambert-St Louis-IND Indianapolis

3h 43m1 stop Chicago O'Hare Intl

$653United Airlines

Wed, Oct 7 - Fri, Oct 9

8:58 pm - 12:19 amIND Indianapolis-STL Lambert-St Louis

4h 21m1 stop Chicago O'Hare Intl

7:16 am - 1:08 pmSTL Lambert-St Louis-IND Indianapolis

4h 52m1 stop Charlotte Douglas

$655American Airlines

Thu, Oct 8 - Sat, Oct 10

5:40 am - 10:48 amIND Indianapolis-STL Lambert-St Louis

6h 08m1 stop Chicago O'Hare Intl

11:35 am - 4:34 pmSTL Lambert-St Louis-IND Indianapolis

3h 59m1 stop Chicago O'Hare Intl

$655United Airlines

Wed, Oct 7 - Fri, Oct 9

3:50 pm - 7:00 pmIND Indianapolis-STL Lambert-St Louis

4h 10m1 stop Nashville Intl

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

7h 15m2 stops Charleston Baltimore/Washington

$660Southwest

Thu, Oct 8 - Sat, Oct 10

6:45 pm - 12:40 amIND Indianapolis-STL Lambert-St Louis

6h 55m1 stop Dallas Love Field

12:55 pm - 10:20 pmSTL Lambert-St Louis-IND Indianapolis

8h 25m2 stops Chicago Midway Baltimore/Washington

$660Southwest

Fri, Oct 9 - Sun, Oct 11

2:47 pm - 11:59 pmSBN South Bend/Michiana-STL Lambert-St Louis

10h 12m2 stops Chicago O'Hare Intl Charlotte Douglas

11:31 am - 5:12 pmSTL Lambert-St Louis-SBN South Bend/Michiana

4h 41m1 stop Chicago O'Hare Intl

$885American Airlines

Fri, Oct 9 - Sun, Oct 11

7:07 am - 7:18 pmSBN South Bend/Michiana-STL Lambert-St Louis

13h 11m2 stops Chicago O'Hare Intl Charlotte Douglas

7:16 am - 10:05 pmSTL Lambert-St Louis-SBN South Bend/Michiana

13h 49m2 stops Charlotte Douglas Chicago O'Hare Intl

$967American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$101

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.