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$49+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IND
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$107
(Southwest)

One-way from

$49
(Southwest)

Popular in

March

Cheapest in

April

Average price

$249
Provider with most accurate pricing for Lambert-St Louis-Indianapolis flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Indianapolis flights.
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From Lambert-St Louis to Indiana
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One-way flight from Lambert-St Louis to Indiana
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Highest demand for flights based on searches. 12% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 17, 2025.

This Southwest deal was found by Cheapflights users on 4/16. 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.
Thu 5/85:35 amSTL - MDW
Nonstop1h 10mSouthwest
Mon 5/127:30 amMDW - STL
1 stop4h 15mSouthwest
Deal found 4/16$107
This Southwest deal was found by Cheapflights users on 4/15. 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.
Wed 5/76:15 amSTL - ORD
1 stop5h 35mSouthwest
Mon 5/124:00 pmORD - STL
1 stop4h 05mSouthwest
Deal found 4/15$117
This Kissandfly.com deal was found by Cheapflights users on 4/16. 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.
Thu 5/85:15 pmSTL - ORD
1 stop14h 25mSouthern / Mokulele
Mon 5/128:25 pmORD - STL
Nonstop1h 27mSouthern / Mokulele
Deal found 4/16$136
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:00 amSTL - ORD
Nonstop1h 31mUnited Airlines
Wed 5/211:20 pmORD - STL
Nonstop1h 27mUnited Airlines
Deal found 4/16$150
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:15 pmSTL - ORD
1 stop3h 35mMultiple Airlines
Thu 5/154:15 pmORD - STL
1 stop7h 51mMultiple Airlines
Deal found 4/16$158
This Frontier deal was found by Cheapflights users on 4/16. 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.
Thu 5/89:55 pmSTL - MDW
1 stop16h 53mFrontier
Mon 5/121:19 pmMDW - STL
1 stop10h 47mFrontier
Deal found 4/16$161
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Thu 5/85:45 pmSTL - CVG
1 stop6h 14mFrontier
Sun 5/1112:57 pmCVG - STL
1 stop12h 09mFrontier
Deal found 4/17$165
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Sat 5/1010:10 amSTL - IND
1 stop13h 00mSpirit Airlines
Wed 5/148:15 amIND - STL
1 stop26h 00mSpirit Airlines
Deal found 4/17$170
This Delta deal was found by Cheapflights users on 4/16. 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.
Tue 5/207:05 amSTL - MDW
1 stop4h 48mDelta
Tue 5/277:25 pmMDW - STL
1 stop4h 01mDelta
Deal found 4/16$177
This Delta deal was found by Cheapflights users on 4/17. 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 5/82:15 pmSTL - ORD
1 stop6h 06mDelta
Mon 5/1211:05 amORD - STL
1 stop5h 42mDelta
Deal found 4/17$177
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/85:00 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Tue 5/1312:08 pmORD - STL
1 stop5h 59mAmerican Airlines
Deal found 4/16$180
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 5/207:30 pmSTL - SDF
1 stop14h 28mAmerican Airlines
Thu 5/225:45 amSDF - STL
1 stop8h 22mAmerican Airlines
Deal found 4/16$183

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 April 17, 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

Thu 5/8

5:35 am-6:45 am

Nonstop1h 10m

Chicago Midway

Mon 5/12

7:30 am-11:45 am

1 stop4h 15m

$107

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 5/7

6:15 am-11:50 am

1 stop5h 35m

Chicago O'Hare Intl

Mon 5/12

4:00 pm-8:05 pm

1 stop4h 05m

$117

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 5/8

5:15 pm-7:40 am

1 stop14h 25m

Chicago O'Hare Intl

Mon 5/12

8:25 pm-9:52 pm

Nonstop1h 27m

$136

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Mon 5/19

8:00 am-9:31 am

Nonstop1h 31m

Chicago O'Hare Intl

Wed 5/21

1:20 pm-2:47 pm

Nonstop1h 27m

$150

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 5/13

12:15 pm-3:50 pm

1 stop3h 35m

Chicago O'Hare Intl

Thu 5/15

4:15 pm-12:06 am

1 stop7h 51m

$158

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Thu 5/8

9:55 pm-2:48 pm

1 stop16h 53m

Chicago Midway

Mon 5/12

1:19 pm-12:06 am

1 stop10h 47m

$161

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Thu 5/8

5:45 pm-12:59 am

1 stop6h 14m

Cincinnati Cinci./N. Kentucky

Sun 5/11

12:57 pm-12:06 am

1 stop12h 09m

$165

St. LouisIndianapolis

STL - IND

STLIND

Lambert-St Louis

Sat 5/10

10:10 am-12:10 am

1 stop13h 00m

Indianapolis

Wed 5/14

8:15 am-9:15 am

1 stop26h 00m

$170

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Tue 5/20

7:05 am-11:53 am

1 stop4h 48m

Chicago Midway

Tue 5/27

7:25 pm-11:26 pm

1 stop4h 01m

$177

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Thu 5/8

2:15 pm-8:21 pm

1 stop6h 06m

Chicago O'Hare Intl

Mon 5/12

11:05 am-4:47 pm

1 stop5h 42m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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, 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 $362). 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 April 17, 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 April 17, 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.
Southwest
8.0
Very good
4,280 reviews

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,916 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,667 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,280 reviews

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • What are the cheapest airlines to fly from St. Louis to Indiana one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from United Airlines and Southern / Mokulele, as they are both options that can get you from St. Louis to Indiana for a low price.

  • 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 - Louisville Intl.

  • 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, 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 $362). 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 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$266FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$226Average$280FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$444FlexibilityNo cancel feeOn-time69%

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