$76+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
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
Keep the following information in mind while searching for St. Louis to Indiana flight deals. Data was last updated June 18, 2025.
Round-trip from | $77 (Southwest) |
|---|---|
One-way from | $76 (Southwest) |
Popular in | March |
Cheapest in | April |
Average price | $516 |
Find flight deals from St. Louis to Indiana
Cheapest flights from St. Louis to IndianaExplore 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 June 18, 2025.
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 June 18, 2025.
This Southwest deal was found by Cheapflights users on 6/16. 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.
This United Airlines deal was found by Cheapflights users on 6/18. 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.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
This Southwest deal was found by Cheapflights users on 6/16. 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.
This Kissandfly.com deal was found by Cheapflights users on 6/16. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 6/16. 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.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
This Delta deal was found by Cheapflights users on 6/16. 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.
This Delta deal was found by Cheapflights users on 6/16. 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.
This Southwest deal was found by Cheapflights users on 6/18. 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.
This American Airlines deal was found by Cheapflights users on 6/18. 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.
This Priceline deal was found by Cheapflights users on 6/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight 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 June 18, 2025.
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
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Mon 8/4
3:20 pm-4:30 pm
Nonstop1h 10m
Chicago Midway
Wed 8/6
1:10 pm-2:25 pm
Nonstop1h 15m
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Thu 8/14
8:00 am-9:25 am
Nonstop1h 25m
Chicago O'Hare Intl
Thu 8/14
9:20 pm-10:45 pm
Nonstop1h 25m
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Tue 8/12
7:23 am-8:48 am
Nonstop1h 25m
Chicago O'Hare Intl
Thu 8/14
10:34 pm-11:51 pm
Nonstop1h 17m
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Mon 8/4
4:50 pm-11:05 pm
1 stop6h 15m
Chicago O'Hare Intl
Wed 8/6
3:10 pm-8:05 pm
1 stop4h 55m
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Thu 7/31
1:00 pm-4:32 pm
1 stop3h 32m
Chicago O'Hare Intl
Thu 8/7
10:34 pm-11:51 pm
Nonstop1h 17m
St. LouisChicago
STL - MDW
STLMDW
Lambert-St Louis
Sat 6/21
2:52 pm-10:28 pm
1 stop7h 36m
Chicago Midway
Sat 6/28
6:20 am-2:07 pm
1 stop7h 47m
St. LouisLouisville
STL - SDF
STLSDF
Lambert-St Louis
Mon 8/11
6:00 am-11:13 pm
1 stop16h 13m
Louisville Intl
Tue 8/12
6:44 am-8:25 pm
1 stop14h 41m
St. LouisChicago
STL - ORD
STLORD
Lambert-St Louis
Tue 8/12
6:00 am-12:45 pm
2 stops6h 45m
Chicago O'Hare Intl
Thu 8/14
5:45 am-9:57 am
1 stop4h 12m
St. LouisLouisville
STL - SDF
STLSDF
Lambert-St Louis
Thu 8/7
5:30 am-12:30 pm
1 stop6h 00m
Louisville Intl
Mon 8/11
5:30 am-11:30 am
1 stop7h 00m
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Thu 10/2
5:55 am-10:20 am
1 stop3h 25m
Indianapolis
Fri 10/3
2:51 pm-6:41 pm
1 stop4h 50m
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.
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, August is the cheapest month in which you can book a flight from St. Louis to Indiana (average of $297). Flying from St. Louis to Indiana in March is currently the most expensive (average of $360). 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 June 18, 2025.
When flying from St. Louis to Indiana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Indiana by month
Plan your trip to Indiana by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Indiana ranges from 2.3 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. February is typically the driest time to visit Indiana when rainfall is around 2.3 in.
Temperature in Indiana by month
Plan your trip to Indiana by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Indiana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).
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 June 18, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from St. Louis to Indiana. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
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.
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 3 airlines flying from St. Louis to Indiana
Discover the top 3 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 June 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$280 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$266 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$443 | FlexibilityNo cancel fee | On-time69% |