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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$43 CHEAP FLIGHTS from Indiana to St. Louis

STL

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$93

Overall average: $377

United Airlines

Sat 3/14Tue 3/17

ORD - STL • Non-stop

Cheapest one-way

$43

Typical prices: $316-$401

Southwest

Sat 3/7

MDW - STL • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to St. Louis!

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

Direct

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

Sat, Mar 14 - Tue, Mar 17

1:12 pm - 2:43 pm

ORD

STL

1h 31mnonstop

7:00 pm - 8:35 pm

STL

ORD

1h 35mnonstop

$93United Airlines

Tue, Mar 17 - Wed, Mar 18

10:30 am - 11:40 am

MDW

STL

1h 10mnonstop

10:30 am - 11:40 am

STL

MDW

1h 10mnonstop

$97Southwest

Thu, Mar 5 - Mon, Mar 9

5:16 pm - 11:49 am

MDW

STL

18h 33m

1 stop

2:09 pm - 10:19 pm

STL

MDW

8h 10m

1 stop

$128Frontier

Thu, Mar 5 - Mon, Mar 9

4:42 pm - 11:49 am

ORD

STL

19h 07m

1 stop

2:09 pm - 8:23 am

STL

ORD

18h 14m

1 stop

$131Frontier

Thu, Apr 9 - Sat, Apr 11

3:18 pm - 4:41 pm

ORD

STL

1h 23mnonstop

5:46 am - 7:16 am

STL

ORD

1h 30mnonstop

$135American Airlines

Sat, Mar 7 - Mon, Mar 9

7:47 pm - 9:12 pm

ORD

STL

1h 25mnonstop

8:00 am - 9:31 am

STL

ORD

1h 31mnonstop

$136American Airlines

Wed, Mar 11 - Wed, Mar 18

6:00 am - 11:19 pm

IND

STL

18h 19m

2 stops

11:32 am - 11:16 am

STL

IND

22h 44m

1 stop

$194Multiple Airlines

Wed, Mar 11 - Wed, Mar 18

9:28 am - 11:19 pm

IND

STL

14h 51m

1 stop

11:32 am - 11:16 am

STL

IND

22h 44m

1 stop

$195Multiple Airlines

Tue, Jul 7 - Sat, Jul 11

12:00 pm - 4:49 pm

AZO

STL

5h 49m

1 stop

6:45 am - 11:55 am

STL

AZO

4h 10m

1 stop

$248Delta

Tue, Jul 7 - Sat, Jul 11

5:30 am - 2:37 pm

AZO

STL

10h 07m

2 stops

6:45 am - 11:55 am

STL

AZO

4h 10m

1 stop

$254Delta

Useful Info

Low season	January
High season	May
Cheapest flight	$43

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly and prices are also 7% lower on average.

Flight from Chicago Midway Airport 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.

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

Everything you need to know for your flight to St. Louis

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

STL

$43 Find Cheap Flights from Indiana to St. Louis

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Everything you should know

Cheap Flights from Indiana to St. Louis

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

Recent one-way flight deals from Indiana to St. Louis

Recent last minute flight deals from Indiana to St. Louis

Recent direct flight deals from Indiana to St. Louis

Good to know

FAQs for booking flights from Indiana 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.

Traveling to a place near St. Louis?

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

Cabin class types available on flights to Indiana

Complete your trip to St. Louis with a hotel stay or car rental

Find direct flights for St. Louis

Flights to other popular destinations

Flights from domestic origins to St. Louis

Choose which airport to fly into in St. Louis

Find deals for your return flight