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.

$88 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, Nov 2 - Fri, Nov 6

6:00 am - 5:40 pmIND Indianapolis-STL Lambert-St Louis

12h 40m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson

6:44 pm - 1:02 pmSTL Lambert-St Louis-IND Indianapolis

17h 18m1 stop Atlanta Hartsfield-Jackson

$167Multiple Airlines

Thu, Oct 22 - Mon, Oct 26

9:06 pm - 5:40 pmIND Indianapolis-STL Lambert-St Louis

21h 34m2 stops Orlando Atlanta Hartsfield-Jackson

6:35 pm - 3:08 pmSTL Lambert-St Louis-IND Indianapolis

19h 33m2 stops Atlanta Hartsfield-Jackson Denver Intl

$192Frontier

Sat, Nov 14 - Mon, Nov 16

1:47 pm - 11:16 pmIND Indianapolis-STL Lambert-St Louis

34h 29m2 stops Atlanta Hartsfield-Jackson Orlando

6:44 pm - 3:08 pmSTL Lambert-St Louis-IND Indianapolis

19h 24m2 stops Atlanta Hartsfield-Jackson Denver Intl

$197Frontier

Mon, Nov 2 - Fri, Nov 6

6:00 am - 11:16 pmIND Indianapolis-STL Lambert-St Louis

18h 16m1 stop Orlando Sanford Intl

6:44 pm - 1:02 pmSTL Lambert-St Louis-IND Indianapolis

17h 18m1 stop Atlanta Hartsfield-Jackson

$201Multiple Airlines

Thu, Oct 15 - Sun, Oct 18

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

$334United Airlines

Thu, Oct 8 - Sun, Oct 11

11:20 am - 3:43 pmFWA Fort Wayne-STL Lambert-St Louis

5h 23m1 stop Chicago O'Hare Intl

1:29 pm - 8:05 pmSTL Lambert-St Louis-FWA Fort Wayne

5h 36m1 stop Chicago O'Hare Intl

$334United Airlines

Fri, Oct 9 - Sun, Oct 11

1:03 pm - 3:43 pmSBN South Bend/Michiana-STL Lambert-St Louis

3h 40m1 stop Chicago O'Hare Intl

6:00 am - 12:28 pmSTL Lambert-St Louis-SBN South Bend/Michiana

5h 28m1 stop Chicago O'Hare Intl

$339United Airlines

Tue, Oct 6 - Sat, Oct 10

7:09 pm - 12:19 amFWA Fort Wayne-STL Lambert-St Louis

6h 10m1 stop Chicago O'Hare Intl

5:23 pm - 12:20 amSTL Lambert-St Louis-FWA Fort Wayne

5h 57m1 stop Chicago O'Hare Intl

$349American Airlines

Sun, Dec 20 - Tue, Dec 22

8:02 pm - 10:22 pmFWA Fort Wayne-STL Lambert-St Louis

3h 20m1 stop Chicago O'Hare Intl

1:51 pm - 7:12 pmSTL Lambert-St Louis-FWA Fort Wayne

4h 21m1 stop Chicago O'Hare Intl

$349American Airlines

Sun, Dec 20 - Mon, Dec 21

8:02 pm - 10:22 pmFWA Fort Wayne-STL Lambert-St Louis

3h 20m1 stop Chicago O'Hare Intl

8:22 pm - 12:52 amSTL Lambert-St Louis-FWA Fort Wayne

3h 30m1 stop Chicago O'Hare Intl

$439American Airlines

Recent last minute flight deals from Indiana to St. Louis

Tue, Sep 29 - Tue, Oct 20

5:50 am - 10:05 amIND Indianapolis-STL Lambert-St Louis

5h 15m1 stop Baltimore/Washington

8:30 am - 1:50 pmSTL Lambert-St Louis-IND Indianapolis

4h 20m1 stop Kansas City

$476Southwest

Tue, Sep 29 - Tue, Oct 20

6:00 am - 3:10 pmIND Indianapolis-STL Lambert-St Louis

10h 10m2 stops Tampa Chicago Midway

3:20 pm - 11:00 pmSTL Lambert-St Louis-IND Indianapolis

6h 40m1 stop Baltimore/Washington

$481Southwest

Tue, Sep 29 - Tue, Oct 20

7:05 am - 12:13 pmIND Indianapolis-STL Lambert-St Louis

6h 08m1 stop Chicago O'Hare Intl

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

3h 43m1 stop Chicago O'Hare Intl

$486United Airlines

Tue, Sep 29 - Tue, Oct 20

11:37 am - 3:43 pmIND Indianapolis-STL Lambert-St Louis

5h 06m1 stop Chicago O'Hare Intl

12:20 pm - 8:00 pmSTL Lambert-St Louis-IND Indianapolis

6h 40m1 stop Newark

$486United Airlines

Tue, Sep 29 - Tue, Oct 20

6:00 am - 10:55 amIND Indianapolis-STL Lambert-St Louis

5h 55m1 stop Atlanta Hartsfield-Jackson

6:47 am - 11:32 amSTL Lambert-St Louis-IND Indianapolis

3h 45m1 stop Detroit Metropolitan Wayne County

$486Delta

Tue, Sep 29 - Tue, Oct 20

6:00 am - 3:10 pmIND Indianapolis-STL Lambert-St Louis

10h 10m2 stops Tampa Chicago Midway

1:25 pm - 9:55 pmSTL Lambert-St Louis-IND Indianapolis

7h 30m2 stops Kansas City Dallas Love Field

$504Southwest

Thu, Oct 1 - Thu, Oct 22

6:45 am - 9:00 amIND Indianapolis-STL Lambert-St Louis

3h 15m1 stop Chicago Midway

5:40 pm - 12:45 amSTL Lambert-St Louis-IND Indianapolis

6h 05m1 stop Baltimore/Washington

$515Southwest

Thu, Oct 1 - Thu, Oct 22

6:20 am - 12:45 pmIND Indianapolis-STL Lambert-St Louis

7h 25m2 stops Austin Bergstrom Dallas Love Field

5:40 pm - 12:45 amSTL Lambert-St Louis-IND Indianapolis

6h 05m1 stop Baltimore/Washington

$520Southwest

Mon, Sep 28 - Thu, Oct 1

8:10 am - 12:13 pmIND Indianapolis-STL Lambert-St Louis

5h 03m1 stop Chicago O'Hare Intl

1:29 pm - 5:49 pmSTL Lambert-St Louis-IND Indianapolis

3h 20m1 stop Chicago O'Hare Intl

$582United Airlines

Mon, Sep 28 - Thu, Oct 1

1:38 pm - 5:01 pmIND Indianapolis-STL Lambert-St Louis

4h 23m1 stop Chicago O'Hare Intl

1:29 pm - 5:49 pmSTL Lambert-St Louis-IND Indianapolis

3h 20m1 stop Chicago O'Hare Intl

$582United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$88

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly with an average 8% 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.