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$55+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IND
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$120
(American Airlines)

One-way from

$55
(Frontier)

Popular in

November

Cheapest in

December

Average price

$266
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. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 5/136:00 amSTL - ORD
Nonstop1h 23mAmerican Airlines
jue. 5/1510:21 pmORD - STL
Nonstop1h 20mAmerican Airlines
Deal found 2/20$120
This eDestinos deal was found by Cheapflights users on 2/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
jue. 5/158:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 2/20$123
This Southwest deal was found by Cheapflights users on 2/20. 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.
jue. 3/64:00 pmSTL - MDW
1 stop6h 05mSouthwest
lun. 3/104:25 pmMDW - STL
Nonstop1h 15mSouthwest
Deal found 2/20$127
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
vie. 3/1411:00 amSTL - ORD
Nonstop1h 17mMultiple Airlines
lun. 3/178:25 amORD - STL
1 stop11h 45mMultiple Airlines
Deal found 2/20$127
This Frontier deal was found by Cheapflights users on 2/19. 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.
lun. 4/76:38 pmSTL - CVG
1 stop9h 31mFrontier
mié. 4/92:28 pmCVG - STL
1 stop10h 18mFrontier
Deal found 2/19$130
This Frontier deal was found by Cheapflights users on 2/20. 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.
lun. 3/246:55 pmSTL - MDW
1 stop10h 36mFrontier
lun. 4/141:23 pmMDW - STL
1 stop10h 23mFrontier
Deal found 2/20$130
This Southwest deal was found by Cheapflights users on 2/20. 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.
mar. 5/135:20 amSTL - ORD
2 stops8h 40mSouthwest
jue. 5/155:45 pmORD - STL
1 stop5h 00mSouthwest
Deal found 2/20$142
This United Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 3/186:30 amSTL - ORD
Nonstop1h 31mUnited Airlines
jue. 3/201:01 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 2/20$163
This Delta deal was found by Cheapflights users on 2/20. 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.
mar. 3/186:50 amSTL - MDW
1 stop5h 46mDelta
vie. 4/117:09 pmMDW - STL
1 stop3h 55mDelta
Deal found 2/20$177
This Delta deal was found by Cheapflights users on 2/19. 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.
vie. 4/410:30 amSTL - ORD
1 stop5h 41mDelta
sáb. 4/196:45 amORD - STL
2 stops10h 01mDelta
Deal found 2/19$182
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/36:47 pmSTL - IND
1 stop13h 11mMultiple Airlines
lun. 4/74:19 pmIND - STL
1 stop26h 33mMultiple Airlines
Deal found 2/18$199
This Mytrip deal was found by Cheapflights users on 2/19. 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.
mar. 5/137:37 pmSTL - ORD
2 stops26h 51mSpirit Airlines
vie. 5/166:34 pmORD - STL
1 stop23h 58mSpirit Airlines
Deal found 2/19$218

Find flights from St. Louis to Indiana within your budget

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 febrero 20, 2025.

Fly from

St. Louis

Fly to

Indiana

Route

Depart

Return

Price

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 5/13

6:00 am-7:23 am

Nonstop1h 23m

Chicago O'Hare Intl

jue. 5/15

10:21 pm-11:41 pm

Nonstop1h 20m

$120

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 5/13

12:15 pm-3:50 pm

1 stop3h 35m

Chicago O'Hare Intl

jue. 5/15

8:25 am-8:10 pm

1 stop11h 45m

$123

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

jue. 3/6

4:00 pm-10:05 pm

1 stop6h 05m

Chicago Midway

lun. 3/10

4:25 pm-5:40 pm

Nonstop1h 15m

$127

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

vie. 3/14

11:00 am-12:17 pm

Nonstop1h 17m

Chicago O'Hare Intl

lun. 3/17

8:25 am-8:10 pm

1 stop11h 45m

$127

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

lun. 4/7

6:38 pm-5:09 am

1 stop9h 31m

Cincinnati Cinci./N. Kentucky

mié. 4/9

2:28 pm-11:46 pm

1 stop10h 18m

$130

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

lun. 3/24

6:55 pm-5:31 am

1 stop10h 36m

Chicago Midway

lun. 4/14

1:23 pm-11:46 pm

1 stop10h 23m

$130

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 5/13

5:20 am-2:00 pm

2 stops8h 40m

Chicago O'Hare Intl

jue. 5/15

5:45 pm-10:45 pm

1 stop5h 00m

$142

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

mar. 3/18

6:30 am-8:01 am

Nonstop1h 31m

Chicago O'Hare Intl

jue. 3/20

1:01 pm-2:23 pm

Nonstop1h 22m

$163

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

mar. 3/18

6:50 am-12:36 pm

1 stop5h 46m

Chicago Midway

vie. 4/11

7:09 pm-11:04 pm

1 stop3h 55m

$177

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

vie. 4/4

10:30 am-4:11 pm

1 stop5h 41m

Chicago O'Hare Intl

sáb. 4/19

6:45 am-4:46 pm

2 stops10h 01m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 56 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.

Travel insights for flights from St. Louis to Indiana

Get recent, data-driven insights about flights from St. Louis to Indiana including ideal travel times, pricing trends, and more.

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 febrero 20, 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 febrero 20, 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
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from Southwest and American Airlines, 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 - Cincinnati Cinci./N. Kentucky.

  • 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 $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.

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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$287FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$217Average$280FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$404FlexibilityNo cancel feeOn-time69%
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