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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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

Wed, Nov 18 - Wed, Nov 25

4:03 pm - 10:45 amIND Indianapolis-STL Lambert-St Louis

19h 42m1 stop Denver Intl

6:05 pm - 10:01 amSTL Lambert-St Louis-IND Indianapolis

14h 56m1 stop Orlando

$230Frontier

Mon, Nov 16 - Mon, Nov 23

4:20 pm - 10:30 pmIND Indianapolis-STL Lambert-St Louis

7h 10m1 stop Orlando

5:10 pm - 12:20 amSTL Lambert-St Louis-IND Indianapolis

6h 10m1 stop Baltimore/Washington

$239Southwest

Tue, Nov 10 - Thu, Nov 12

8:00 am - 1:23 pmIND Indianapolis-STL Lambert-St Louis

6h 23m1 stop Detroit Metropolitan Wayne County

6:40 am - 11:37 amSTL Lambert-St Louis-IND Indianapolis

3h 57m1 stop Detroit Metropolitan Wayne County

$239Delta

Mon, Nov 16 - Mon, Nov 23

6:45 am - 8:50 amIND Indianapolis-STL Lambert-St Louis

3h 05m1 stop Chicago Midway

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

6h 40m2 stops Charlotte Douglas Baltimore/Washington

$244Southwest

Sat, Dec 12 - Tue, Dec 22

2:41 pm - 7:57 pmSBN South Bend/Michiana-STL Lambert-St Louis

6h 16m1 stop Chicago O'Hare Intl

1:51 pm - 7:01 pmSTL Lambert-St Louis-SBN South Bend/Michiana

4h 10m1 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

Wed, Nov 25 - Sun, Dec 13

1:09 pm - 3:43 pmSBN South Bend/Michiana-STL Lambert-St Louis

3h 34m1 stop Chicago O'Hare Intl

1:18 pm - 6:46 pmSTL Lambert-St Louis-SBN South Bend/Michiana

4h 28m1 stop Chicago O'Hare Intl

$334United Airlines

Thu, Nov 5 - Mon, Nov 9

3:33 pm - 6:09 pmSBN South Bend/Michiana-STL Lambert-St Louis

3h 36m1 stop Chicago O'Hare Intl

6:50 pm - 11:31 pmSTL Lambert-St Louis-SBN South Bend/Michiana

3h 41m1 stop Chicago O'Hare Intl

$339United Airlines

Sat, Oct 31 - Wed, Nov 4

7:07 am - 10:51 amSBN South Bend/Michiana-STL Lambert-St Louis

4h 44m1 stop Chicago O'Hare Intl

11:35 am - 4:55 pmSTL Lambert-St Louis-SBN South Bend/Michiana

4h 20m1 stop Chicago O'Hare Intl

$339American Airlines

Thu, Jan 7 - Mon, Jan 11

1:28 pm - 5:50 pmSBN South Bend/Michiana-STL Lambert-St Louis

5h 22m1 stop Chicago O'Hare Intl

6:45 pm - 11:29 pmSTL Lambert-St Louis-SBN South Bend/Michiana

3h 44m1 stop Chicago O'Hare Intl

$347United 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 5% 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.