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>

$64 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

$150

Overall average: $323

Frontier

Wed 2/18Wed 2/25

ORD - STL • 1 stop

Cheapest non-stop

$153

Typical prices: $253-$379

United Airlines

Wed 2/11Wed 2/18

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Indiana to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Wed, Feb 18 - Wed, Feb 25

8:30 am - 10:27 pm

ORD

STL

13h 57m

1 stop

8:17 pm - 10:39 pm

STL

ORD

26h 22m

1 stop

$150Frontier

Wed, Feb 11 - Wed, Feb 18

9:25 am - 11:02 am

ORD

STL

1h 37mnonstop

8:17 am - 9:50 am

STL

ORD

1h 33mnonstop

$153United Airlines

Fri, Feb 20 - Sun, Feb 22

7:41 pm - 6:51 am

IND

STL

12h 10m

1 stop

3:49 pm - 8:32 am

STL

IND

15h 43m

1 stop

$164Multiple Airlines

Tue, Feb 17 - Thu, Feb 19

12:30 pm - 1:45 pm

MDW

STL

1h 15mnonstop

9:10 am - 10:20 am

STL

MDW

1h 10mnonstop

$171Southwest

Wed, Feb 11 - Thu, Feb 12

1:50 pm - 3:00 pm

MDW

STL

1h 10mnonstop

3:00 pm - 8:35 pm

STL

MDW

5h 35m

1 stop

$172Southwest

Thu, Feb 5 - Mon, Feb 9

6:50 pm - 8:13 pm

ORD

STL

1h 23mnonstop

6:44 pm - 8:15 pm

STL

ORD

1h 31mnonstop

$172American Airlines

Tue, Feb 10 - Tue, Feb 17

6:14 pm - 11:37 pm

MDW

STL

5h 23m

1 stop

11:23 am - 6:40 pm

STL

MDW

7h 17m

1 stop

$173Delta

Tue, Feb 10 - Tue, Feb 17

10:48 am - 4:07 pm

MDW

STL

5h 19m

1 stop

6:10 am - 12:46 pm

STL

MDW

6h 36m

2 stops

$178Delta

Fri, Feb 20 - Sun, Feb 22

3:12 pm - 12:27 am

IND

STL

10h 15m

1 stop

3:49 pm - 6:31 pm

STL

IND

25h 42m

2 stops

$209Multiple Airlines

Sat, Feb 14 - Sat, Feb 21

5:47 am - 12:33 pm

DAY

STL

7h 46m

1 stop

10:43 am - 5:05 pm

STL

DAY

5h 22m

1 stop

$249American Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$64

Best time to beat the crowds but there is an average 5% increase in price.

Most popular time to fly and prices are also 3% lower on average.

Flight from Cincinnati 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

$64 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