Indiana

$63+ Cheap flights from St. Louis (STL) to Indiana

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IND
May 31 — Jun 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Indiana with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Indiana

Cheapest flights from St. Louis to Indiana
Explore the most affordable flight options available from St. Louis to Indiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:33 pm
STL
-
CVG
1 stop16h 08m
Frontier
Thu 6/412:12 pm
CVG
-
STL
1 stop6h 21m
Frontier
Deal found 4/28$133
This Expedia deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:19 pm
STL
-
CVG
1 stop6h 19m
Frontier
Sat 6/68:36 pm
CVG
-
STL
1 stop23h 47m
Frontier
Deal found 4/30$180
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:27 pm
STL
-
CVG
1 stop16h 37m
Frontier
Mon 6/12:12 pm
CVG
-
STL
2 stops28h 21m
Frontier
Deal found 4/27$181
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:33 pm
STL
-
CVG
2 stops16h 47m
Multiple Airlines
Thu 6/412:12 pm
CVG
-
STL
1 stop6h 21m
Multiple Airlines
Deal found 4/28$183
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:27 pm
STL
-
CVG
1 stop16h 37m
Frontier
Mon 5/257:49 pm
CVG
-
STL
1 stop22h 44m
Frontier
Deal found 4/26$184
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:21 am
STL
-
MDW
1 stop6h 58m
Delta
Wed 6/36:23 am
MDW
-
STL
1 stop5h 57m
Delta
Deal found 4/27$184
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:33 pm
STL
-
ORD
2 stops18h 04m
Frontier
Thu 5/286:55 am
ORD
-
STL
1 stop10h 38m
Frontier
Deal found 4/26$184
This Frontier deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:38 am
STL
-
IND
1 stop5h 56m
Frontier
Wed 6/101:44 pm
IND
-
STL
1 stop5h 34m
Frontier
Deal found 4/30$185
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:31 pm
STL
-
ORD
1 stop13h 32m
Multiple Airlines
Fri 6/126:15 am
ORD
-
STL
1 stop12h 03m
Multiple Airlines
Deal found 4/30$185
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:27 pm
STL
-
ORD
2 stops14h 55m
Multiple Airlines
Wed 6/31:29 pm
ORD
-
STL
1 stop28h 04m
Multiple Airlines
Deal found 4/29$188
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:25 am
STL
-
ORD
2 stops8h 49m
Delta
Sat 6/68:10 am
ORD
-
STL
1 stop6h 08m
Delta
Deal found 4/27$189
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:31 pm
STL
-
CVG
1 stop16h 18m
Frontier
Fri 6/1212:54 pm
CVG
-
STL
1 stop20h 58m
Frontier
Deal found 4/29$190

Find flight deals from St. Louis to Indiana

Keep the following information in mind while searching for St. Louis to Indiana flight deals. Data was last updated May 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$133
(Kiwi.com)

One-way from

$63
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$441
Provider with most accurate pricing for Lambert-St Louis-Indianapolis flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Indianapolis flights.
From Lambert-St Louis to Indiana
One-way flight from Lambert-St Louis to Indiana
Highest demand for flights based on searches. 11% potential increase in price ($59 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Indiana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2026.
Use the filters below to find and compare flights from St. Louis to Indiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Mon 6/1

6:45 am-12:42 pm

1 stop5h 57m

Chicago Midway

Wed 6/3

10:59 am-4:10 pm

1 stop5h 11m

$184

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Mon 6/1

4:40 pm-5:50 pm

Nonstop1h 10m

Chicago Midway

Wed 6/3

4:40 pm-5:55 pm

Nonstop1h 15m

$191

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Wed 5/20

5:27 pm-11:04 am

1 stop16h 37m

Cincinnati Cinci./N. Kentucky

Mon 5/25

7:49 pm-11:57 pm

2 stops29h 08m

$196

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Sat 5/30

10:55 am-5:10 pm

2 stops6h 15m

Chicago Midway

Sat 6/6

8:10 am-2:05 pm

1 stop5h 55m

$216

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 6/4

7:01 pm-11:59 pm

1 stop4h 58m

Chicago O'Hare Intl

Sat 6/6

1:44 pm-11:21 pm

2 stops9h 37m

$216

St. LouisIndianapolis

STL - IND

STLIND

Lambert-St Louis

Mon 5/25

5:27 pm-11:21 am

2 stops40h 54m

Indianapolis

Mon 6/1

7:34 pm-11:57 pm

1 stop29h 23m

$223

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Mon 5/25

5:40 am-6:50 am

Nonstop1h 10m

Chicago Midway

Mon 6/1

9:30 pm-10:45 pm

Nonstop1h 15m

$226

St. LouisIndianapolis

STL - IND

STLIND

Lambert-St Louis

Thu 6/11

8:08 pm-8:06 pm

1 stop22h 58m

Indianapolis

Mon 6/15

1:44 pm-6:18 pm

1 stop5h 34m

$231

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 6/11

9:23 am-11:00 am

Nonstop1h 37m

Chicago O'Hare Intl

Tue 6/16

7:05 am-8:41 am

Nonstop1h 36m

$237
Quickest round-trip

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 8/26

8:45 pm-9:50 pm

Nonstop1h 05m

Chicago Midway

Sat 8/29

9:55 am-11:05 am

Nonstop1h 10m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from St. Louis to Indiana

Have a flexible travel schedule? Discover the best time to fly to Indiana from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Indiana

What is the cheapest month to book a flight from St. Louis to Indiana?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Indiana (average of $185). Flying from St. Louis to Indiana in March is currently the most expensive (average of $418). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from St. Louis to Indiana?

Reviews of airlines servicing Indiana

Get insights into the airlines that provide service to Indiana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Indiana. Reviews last updated May 1, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from St. Louis to Indiana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Indiana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Indiana?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Indiana. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Indiana?

    Airlines like Delta, Southwest, and Frontier fly from St. Louis to Indiana in about 1h 10m. The time it takes to get you to your destination can typically vary by up to 15h 27m. Airlines will cover a distance of 251 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from St. Louis to Indiana?

  • Can I find deals for flights from St. Louis to Indiana that include hotel bookings?

    Yes. In addition to deals on St. Louis to Indiana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Indiana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Indiana.

  • Can I find deals for business class flights from St. Louis to Indiana?

    Yes. Cheapflights offers flight deals from St. Louis to Indiana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Indiana?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Indiana (average of $185). Flying from St. Louis to Indiana in March is currently the most expensive (average of $418). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Indiana

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Indiana

Discover the top 2 airlines that operate flights from St. Louis to Indiana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$185Average$297FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$243Average$288FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.