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

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

Cheapest round-trip

$85

Overall average: $279

United Airlines

Sat 5/30Sat 5/30

ORD - STL • Non-stop

Cheapest one-way

$43

Typical prices: $107-$336

United Airlines

Sat 3/28

ORD - 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, May 30 - Sat, May 30

7:05 am - 8:41 am

ORD

STL

1h 36mnonstop

1:13 pm - 2:43 pm

STL

ORD

1h 30mnonstop

$85United Airlines

Thu, Apr 9 - Sun, Apr 12

6:59 am - 8:24 am

ORD

STL

1h 25mnonstop

5:51 am - 7:21 am

STL

ORD

1h 30mnonstop

$91American Airlines

Tue, Mar 17 - Tue, Mar 24

10:30 am - 11:40 am

MDW

STL

1h 10mnonstop

8:50 pm - 9:55 pm

STL

MDW

1h 05mnonstop

$97Southwest

Tue, Mar 17 - Tue, Mar 24

4:45 pm - 6:00 pm

MDW

STL

1h 15mnonstop

3:15 pm - 10:20 pm

STL

MDW

7h 05m

1 stop

$107Southwest

Tue, Mar 10 - Wed, Mar 11

1:10 pm - 4:32 pm

MDW

STL

3h 22m

1 stop

12:28 pm - 6:40 pm

STL

MDW

6h 12m

1 stop

$157Delta

Wed, Apr 1 - Wed, Apr 8

1:10 pm - 4:32 pm

MDW

STL

3h 22m

1 stop

6:29 am - 12:29 pm

STL

MDW

6h 00m

2 stops

$162Delta

Fri, Apr 17 - Sun, Apr 19

5:20 pm - 11:19 pm

CVG

STL

6h 59m

1 stop

11:21 am - 6:36 pm

STL

CVG

6h 15m

1 stop

$181Frontier

Sun, Mar 29 - Tue, Mar 31

7:20 am - 9:49 am

CVG

STL

27h 29m

1 stop

11:27 am - 9:55 pm

STL

CVG

9h 28m

1 stop

$195Frontier

Sun, Apr 26 - Wed, Apr 29

2:43 pm - 6:50 am

IND

STL

17h 07m

2 stops

8:13 pm - 11:17 am

STL

IND

14h 04m

1 stop

$231Multiple Airlines

Wed, Apr 15 - Fri, Apr 17

1:23 pm - 11:19 pm

CVG

STL

10h 56m

1 stop

8:13 pm - 6:36 pm

STL

CVG

21h 23m

1 stop

$237Multiple Airlines

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 O'Hare 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