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$48+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IND
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 2/243:49 pm
STL
-
IND
1 stop15h 43m
Multiple Airlines
Fri 2/277:27 pm
IND
-
STL
1 stop12h 24m
Multiple Airlines
Deal found 1/28$138
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/118:17 pm
STL
-
MDW
1 stop15h 10m
Frontier
Sun 2/156:00 am
MDW
-
STL
1 stop24h 51m
Frontier
Deal found 1/26$152
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/258:17 pm
STL
-
IND
1 stop21h 14m
Frontier
Wed 3/41:23 pm
IND
-
STL
1 stop10h 04m
Frontier
Deal found 1/26$153
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 2/273:49 pm
STL
-
CVG
1 stop8h 10m
Frontier
Sun 3/11:07 pm
CVG
-
STL
1 stop18h 44m
Frontier
Deal found 1/27$154
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 2/203:49 pm
STL
-
MDW
1 stop23h 06m
Frontier
Sun 2/229:04 pm
MDW
-
STL
1 stop9h 47m
Frontier
Deal found 1/27$163
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/233:49 pm
STL
-
IND
1 stop15h 43m
Multiple Airlines
Mon 3/26:10 pm
IND
-
STL
1 stop29h 17m
Multiple Airlines
Deal found 1/26$164
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 2/283:49 pm
STL
-
ORD
2 stops16h 05m
Multiple Airlines
Mon 3/23:50 pm
ORD
-
STL
1 stop30h 37m
Multiple Airlines
Deal found 1/27$170
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:55 am
STL
-
ORD
Nonstop1h 33m
United Airlines
Wed 2/258:10 pm
ORD
-
STL
Nonstop1h 30m
United Airlines
Deal found 1/26$171
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:37 am
STL
-
ORD
Nonstop1h 22m
American Airlines
Mon 2/238:40 am
ORD
-
STL
Nonstop1h 23m
American Airlines
Deal found 1/27$173
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/258:17 pm
STL
-
IND
1 stop21h 14m
Multiple Airlines
Wed 3/48:18 pm
IND
-
STL
2 stops35h 44m
Multiple Airlines
Deal found 1/26$178
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 2/243:49 pm
STL
-
IND
1 stop15h 43m
Multiple Airlines
Wed 2/251:23 pm
IND
-
STL
1 stop10h 04m
Multiple Airlines
Deal found 1/29$180
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 2/2812:36 pm
STL
-
CVG
1 stop7h 49m
Frontier
Sun 3/11:07 pm
CVG
-
STL
1 stop18h 44m
Frontier
Deal found 1/28$184

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$138
(Kiwi.com)

One-way from

$48
(United Airlines)

Popular in

November

Cheapest in

April

Average price

$501
Provider with most accurate pricing for Lambert-St Louis-Indianapolis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Indianapolis flights.
Search Deals
From Lambert-St Louis to Indiana
Search Deals
One-way flight from Lambert-St Louis to Indiana
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
Use the filters below to find and compare flights from St. Louis to Indiana that are best for you.

Fly from

St. Louis

Fly to

Indiana

Route

Depart

Return

Price

St. LouisIndianapolis

STL - IND

STLIND

Lambert-St Louis

Tue 2/24

3:49 pm-8:32 am

1 stop15h 43m

Indianapolis

Fri 2/27

7:27 pm-6:51 am

1 stop12h 24m

$138

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Fri 2/27

3:49 pm-12:59 am

1 stop8h 10m

Cincinnati Cinci./N. Kentucky

Sun 3/1

1:07 pm-6:51 am

1 stop18h 44m

$154

St. LouisIndianapolis

STL - IND

STLIND

Lambert-St Louis

Mon 2/23

8:22 pm-11:25 pm

2 stops26h 03m

Indianapolis

Mon 3/2

6:10 pm-10:27 pm

1 stop29h 17m

$169

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 2/23

9:55 am-11:28 am

Nonstop1h 33m

Chicago O'Hare Intl

Wed 2/25

8:10 pm-9:40 pm

Nonstop1h 30m

$171

St. LouisIndianapolis

STL - IND

STLIND

Lambert-St Louis

Tue 2/24

3:49 pm-8:32 am

1 stop15h 43m

Indianapolis

Wed 2/25

1:23 pm-10:27 pm

1 stop10h 04m

$180

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Sat 2/28

12:36 pm-9:25 pm

1 stop7h 49m

Cincinnati Cinci./N. Kentucky

Sun 3/1

1:07 pm-6:51 am

1 stop18h 44m

$184

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 2/19

6:35 am-12:46 pm

1 stop6h 11m

Chicago Midway

Mon 2/23

7:20 pm-11:23 pm

1 stop4h 03m

$191

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 2/26

6:10 am-1:05 pm

1 stop6h 55m

Chicago Midway

Mon 3/2

6:40 pm-11:36 pm

1 stop4h 56m

$191

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 2/19

6:35 am-1:20 pm

1 stop6h 45m

Chicago O'Hare Intl

Mon 2/23

6:51 pm-11:23 pm

1 stop4h 32m

$191

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 3/5

6:35 am-1:20 pm

1 stop6h 45m

Chicago O'Hare Intl

Mon 3/9

5:59 pm-11:58 pm

1 stop5h 59m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
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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 $197). Flying from St. Louis to Indiana in July is currently the most expensive (average of $293). 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.

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 January 29, 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.
United Airlines
7.4
Good
9,215 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,205 reviews
United Airlines
7.4
Good
9,215 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 Frontier, United Airlines, and Delta fly from St. Louis to Indiana in about 1h 33m. The time it takes to get you to your destination can typically vary by up to 6h 37m. Airlines will cover a distance of 258 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?

    The most popular route from St. Louis to Indiana is Lambert-St Louis - Chicago O'Hare Intl. You may also consider Lambert-St Louis - Chicago Midway or Lambert-St Louis - Indianapolis.

  • 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 $197). Flying from St. Louis to Indiana in July is currently the most expensive (average of $293). 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

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Alternative routes for St. Louis to Indiana

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$185Average$286FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$243Average$288FlexibilityNo cancel feeOn-time69%

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