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.

$44 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

Direct

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

Sun, Sep 20 - Wed, Sep 30

12:43 pm - 1:10 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

25h 27m1 stop Atlanta Hartsfield-Jackson

2:29 pm - 11:38 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

20h 09m1 stop Atlanta Hartsfield-Jackson

$103Frontier

Thu, Oct 1 - Mon, Oct 5

12:43 pm - 1:10 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

25h 27m1 stop Atlanta Hartsfield-Jackson

2:29 pm - 11:38 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

20h 09m1 stop Atlanta Hartsfield-Jackson

$110Frontier

Fri, Sep 25 - Fri, Oct 2

11:05 pm - 12:27 amORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 22mnonstop

5:00 am - 6:29 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 29mnonstop

$151American Airlines

Thu, Oct 1 - Fri, Oct 2

11:10 am - 4:55 pmMDW Chicago Midway-STL Lambert-St Louis

5h 45m1 stop Washington, D.C. Reagan-National

3:05 pm - 8:55 pmSTL Lambert-St Louis-MDW Chicago Midway

5h 50m1 stop Kansas City

$154Southwest

Thu, Oct 1 - Fri, Oct 2

8:00 pm - 12:35 amMDW Chicago Midway-STL Lambert-St Louis

4h 35m1 stop Dallas Love Field

3:55 pm - 9:40 pmSTL Lambert-St Louis-MDW Chicago Midway

5h 45m1 stop Washington, D.C. Reagan-National

$154Southwest

Wed, Oct 14 - Thu, Oct 15

10:40 am - 12:13 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 33mnonstop

8:00 am - 9:31 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 31mnonstop

$184United Airlines

Wed, Nov 4 - Thu, Nov 5

8:05 pm - 9:35 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 30mnonstop

6:50 pm - 8:19 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 29mnonstop

$184United Airlines

Mon, Sep 21 - Wed, Sep 23

8:55 am - 10:18 amORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 23mnonstop

5:00 am - 6:29 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 29mnonstop

$187American Airlines

Fri, Oct 2 - Tue, Oct 6

11:47 am - 5:10 pmAZO Kalamazoo Intl-STL Lambert-St Louis

6h 23m1 stop Detroit Metropolitan Wayne County

6:47 am - 2:15 pmSTL Lambert-St Louis-AZO Kalamazoo Intl

6h 28m1 stop Detroit Metropolitan Wayne County

$288Delta

Sat, Oct 10 - Fri, Oct 16

6:00 am - 9:42 amDAY Dayton-STL Lambert-St Louis

4h 42m1 stop Atlanta Hartsfield-Jackson

5:35 pm - 11:16 pmSTL Lambert-St Louis-DAY Dayton

4h 41m1 stop Atlanta Hartsfield-Jackson

$290Delta

Recent last minute flight deals from Indiana to St. Louis

Sat, Sep 5 - Wed, Sep 16

7:44 pm - 4:11 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

20h 27m1 stop Orlando

12:17 pm - 5:38 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

17h 21m1 stop Las Vegas Harry Reid Intl

$270Frontier

Sat, Sep 5 - Sun, Sep 6

3:47 pm - 6:57 pmCVG Cincinnati Cinci./N. Kentucky-STL Lambert-St Louis

4h 10m1 stop Chicago O'Hare Intl

4:50 pm - 12:27 amSTL Lambert-St Louis-CVG Cincinnati Cinci./N. Kentucky

6h 37m1 stop Chicago O'Hare Intl

$279American Airlines

Wed, Sep 2 - Fri, Sep 4

7:44 pm - 4:11 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

20h 27m1 stop Orlando

7:58 pm - 1:36 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

17h 38m1 stop Denver Intl

$320Frontier

Thu, Sep 3 - Thu, Sep 10

6:00 am - 10:12 amDAY Dayton-STL Lambert-St Louis

5h 12m1 stop Chicago O'Hare Intl

6:00 am - 10:49 amSTL Lambert-St Louis-DAY Dayton

3h 49m1 stop Chicago O'Hare Intl

$349United Airlines

Wed, Sep 2 - Mon, Sep 7

6:00 am - 11:46 amDAY Dayton-STL Lambert-St Louis

6h 46m1 stop Atlanta Hartsfield-Jackson

7:00 am - 2:17 pmSTL Lambert-St Louis-DAY Dayton

6h 17m1 stop Atlanta Hartsfield-Jackson

$370Delta

Tue, Sep 1 - Mon, Sep 7

6:00 am - 9:20 amDAY Dayton-STL Lambert-St Louis

4h 20m1 stop Atlanta Hartsfield-Jackson

7:00 am - 2:17 pmSTL Lambert-St Louis-DAY Dayton

6h 17m1 stop Atlanta Hartsfield-Jackson

$370Delta

Fri, Sep 4 - Fri, Sep 11

6:00 am - 10:12 amDAY Dayton-STL Lambert-St Louis

5h 12m1 stop Chicago O'Hare Intl

5:30 pm - 11:59 pmSTL Lambert-St Louis-DAY Dayton

5h 29m1 stop Chicago O'Hare Intl

$379United Airlines

Sat, Sep 5 - Sat, Sep 5

6:35 am - 7:45 amMDW Chicago Midway-STL Lambert-St Louis

1h 10mnonstop

3:00 pm - 4:10 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 10mnonstop

$405Southwest

Sat, Sep 5 - Sun, Sep 6

6:15 pm - 7:35 pmMDW Chicago Midway-STL Lambert-St Louis

1h 20mnonstop

4:20 pm - 5:25 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

$405Southwest

Fri, Sep 4 - Sun, Sep 6

5:22 am - 8:24 amFWA Fort Wayne-STL Lambert-St Louis

4h 02m1 stop Chicago O'Hare Intl

4:50 pm - 12:17 amSTL Lambert-St Louis-FWA Fort Wayne

6h 27m1 stop Chicago O'Hare Intl

$429American Airlines

Recent direct flight deals from Indiana to St. Louis

Fri, Sep 25 - Fri, Oct 2

11:05 pm - 12:27 amORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 22mnonstop

5:00 am - 6:29 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 29mnonstop

$151American Airlines

Wed, Oct 14 - Thu, Oct 15

10:40 am - 12:13 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 33mnonstop

8:00 am - 9:31 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 31mnonstop

$184United Airlines

Tue, Sep 22 - Wed, Sep 23

2:07 pm - 3:38 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 31mnonstop

9:43 am - 11:19 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 36mnonstop

$184United Airlines

Mon, Sep 28 - Thu, Oct 1

7:50 pm - 9:21 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 31mnonstop

9:04 am - 10:40 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 36mnonstop

$184United Airlines

Tue, Oct 13 - Wed, Oct 14

7:50 pm - 9:21 pmORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 31mnonstop

11:35 am - 1:11 pmSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 36mnonstop

$184United Airlines

Mon, Sep 21 - Wed, Sep 23

8:55 am - 10:18 amORD Chicago O'Hare Intl-STL Lambert-St Louis

1h 23mnonstop

5:00 am - 6:29 amSTL Lambert-St Louis-ORD Chicago O'Hare Intl

1h 29mnonstop

$187American Airlines

Thu, Oct 29 - Sun, Nov 1

2:45 pm - 3:55 pmMDW Chicago Midway-STL Lambert-St Louis

1h 10mnonstop

7:15 pm - 8:20 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

$242Southwest

Thu, Nov 5 - Sun, Nov 8

8:45 am - 10:05 amMDW Chicago Midway-STL Lambert-St Louis

1h 20mnonstop

1:05 pm - 2:10 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

$242Southwest

Wed, Oct 7 - Thu, Oct 8

8:50 pm - 10:05 pmMDW Chicago Midway-STL Lambert-St Louis

1h 15mnonstop

6:10 pm - 7:15 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 05mnonstop

$259Southwest

Thu, Sep 24 - Tue, Sep 29

7:55 am - 9:15 amMDW Chicago Midway-STL Lambert-St Louis

1h 20mnonstop

8:45 pm - 9:55 pmSTL Lambert-St Louis-MDW Chicago Midway

1h 10mnonstop

$259Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$44

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 9% increase in price.

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.

Fenton

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

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

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

St. Louis (STL)

STL

$44 Find Cheap Flights from Indiana to St. Louis - Compare and Save

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

Low season

High season

Cheapest flight

FAQs for booking flights from Indiana to St. Louis

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