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$32+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IND
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/2. 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.
Thu 12/256:05 amSTL - MDW
1 stop5h 01mDelta
Thu 1/87:16 pmMDW - STL
1 stop4h 09mDelta
Deal found 12/2$157
This Delta deal was found by Cheapflights users on 12/2. 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.
Thu 12/256:29 amSTL - ORD
1 stop6h 25mDelta
Thu 1/85:30 amORD - STL
1 stop5h 32mDelta
Deal found 12/2$157
This Frontier deal was found by Cheapflights users on 12/2. 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.
Tue 12/2310:48 amSTL - ORD
1 stop11h 36mFrontier
Sat 1/108:27 pmORD - STL
1 stop12h 13mFrontier
Deal found 12/2$163
This Southwest deal was found by Cheapflights users on 12/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:50 pmSTL - MDW
Nonstop1h 05mSouthwest
Thu 1/87:45 pmMDW - STL
Nonstop1h 15mSouthwest
Deal found 12/2$165
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/259:08 amSTL - ORD
Nonstop1h 27mAmerican Airlines
Wed 12/317:14 amORD - STL
Nonstop1h 34mAmerican Airlines
Deal found 12/2$167
This Mytrip deal was found by Cheapflights users on 12/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:27 pmSTL - CVG
1 stop7h 39mFrontier
Wed 12/315:05 amCVG - STL
1 stop18h 28mFrontier
Deal found 12/3$173
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/171:43 pmSTL - ORD
Nonstop1h 30mAmerican Airlines
Sat 1/108:50 amORD - STL
Nonstop1h 30mAmerican Airlines
Deal found 12/2$174
This Frontier deal was found by Cheapflights users on 12/4. 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.
Fri 12/129:54 amSTL - CVG
1 stop8h 51mFrontier
Tue 12/1611:57 amCVG - STL
1 stop11h 36mFrontier
Deal found 12/4$187
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/93:30 pmSTL - ORD
2 stops23h 01mMultiple Airlines
Fri 12/122:26 pmORD - STL
1 stop8h 07mMultiple Airlines
Deal found 12/1$189
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/2510:42 amSTL - MDW
1 stop6h 56mFrontier
Wed 12/316:12 amMDW - STL
1 stop27h 28mFrontier
Deal found 12/3$194
This Mytrip deal was found by Cheapflights users on 12/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:30 pmSTL - CVG
1 stop25h 14mFrontier
Thu 12/185:05 amCVG - STL
1 stop18h 28mFrontier
Deal found 12/2$196
This Frontier deal was found by Cheapflights users on 12/1. 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.
Tue 12/2310:48 amSTL - ORD
1 stop11h 36mFrontier
Fri 1/95:50 amORD - STL
1 stop8h 58mFrontier
Deal found 12/1$198

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$88
(Southwest)

One-way from

$32
(Southwest)

Popular in

November

Cheapest in

April

Average price

$276
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. 9% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 4, 2025.
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. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Sat 1/17

5:50 pm-7:00 pm

Nonstop1h 10m

Chicago Midway

Sun 1/18

9:55 am-11:15 am

Nonstop1h 20m

$88

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 1/8

6:05 am-7:15 am

Nonstop1h 10m

Chicago Midway

Mon 1/12

7:45 pm-9:00 pm

Nonstop1h 15m

$91

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 2/18

8:15 am-1:25 pm

1 stop5h 10m

Chicago Midway

Sat 2/21

7:45 am-9:05 am

Nonstop1h 20m

$128

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 1/8

3:43 pm-10:17 pm

1 stop6h 34m

Chicago Midway

Mon 1/12

4:31 pm-10:34 pm

1 stop30h 03m

$156

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Fri 1/16

6:35 am-12:48 pm

1 stop6h 13m

Chicago Midway

Fri 1/23

7:16 pm-11:23 pm

1 stop4h 07m

$157

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 1/8

6:00 am-10:27 am

1 stop4h 27m

Chicago Midway

Mon 1/12

7:16 pm-11:25 pm

1 stop4h 09m

$157

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 12/25

6:05 am-11:06 am

1 stop5h 01m

Chicago Midway

Thu 1/8

7:16 pm-11:25 pm

1 stop4h 09m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 1/27

6:10 am-11:47 am

1 stop5h 37m

Chicago O'Hare Intl

Mon 2/2

6:45 pm-11:25 pm

1 stop4h 40m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 1/8

7:10 am-1:40 pm

1 stop6h 30m

Chicago O'Hare Intl

Mon 1/12

1:55 pm-8:43 pm

1 stop6h 48m

$157

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 1/16

6:35 am-1:08 pm

1 stop6h 33m

Chicago O'Hare Intl

Fri 1/23

8:50 am-2:38 pm

1 stop5h 48m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

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 November is currently the most expensive (average of $630). 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.

What is the cheapest time of day to fly from STL to IN?

Find hourly flight availability from St. Louis to Indiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Indiana in the evening. If you’re flexible enough to do this you can expect to save up to 68% on your trip compared to booking a flight in the morning.

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 December 4, 2025.
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
9,066 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,066 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 Southwest, Delta, 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 6h 29m. 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?

    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 - Dayton.

  • 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 November is currently the most expensive (average of $630). 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

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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$226Average$286FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$243Average$379FlexibilityNo cancel feeOn-time69%

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