$59+ Cheap flights from Indiana to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
IND — STL
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Indiana to St. Louis 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 Indiana to St. Louis
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Cheapest flights from Indiana to St. LouisExplore the most affordable flight options available from Indiana to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Indiana to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/1212:43 pm -
1 stop5h 57m
Fri 10/166:35 pm -
1 stop15h 07m
Deal found 9/6![Frontier logo]()
$126
This Southwest deal was found by Cheapflights users on 9/9. 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 10/17:50 am -
Nonstop1h 10m
Fri 10/25:50 pm -
1 stop3h 35m
Deal found 9/9![Southwest logo]()
$154
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 10/37:13 pm -
1 stop4h 03m
Wed 10/142:38 pm -
1 stop3h 22m
Deal found 9/8![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 9/8. 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 10/16:10 am -
1 stop4h 21m
Mon 10/51:55 pm -
1 stop4h 31m
Deal found 9/8![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 10/271:05 pm -
2 stops5h 55m
Fri 11/279:35 pm -
Nonstop1h 05m
Deal found 9/8![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 9/9. 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 10/281:05 pm -
2 stops5h 55m
Fri 10/303:05 pm -
1 stop5h 50m
Deal found 9/9![Southwest logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/146:00 am -
1 stop11h 40m
Mon 10/196:35 pm -
1 stop16h 57m
Deal found 9/8![Frontier logo]()
$170
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/211:55 pm -
1 stop6h 56m
Fri 10/232:38 pm -
1 stop3h 51m
Deal found 9/8![Delta logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/146:00 am -
1 stop11h 40m
Wed 10/216:35 pm -
1 stop14h 46m
Deal found 9/8![Frontier logo]()
$181
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/137:50 pm -
Nonstop1h 31m
Wed 10/141:29 pm -
Nonstop1h 31m
Deal found 9/9![United Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 9/9. 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.
Tue 10/139:40 am -
Nonstop1h 10m
Wed 10/1410:55 am -
Nonstop1h 10m
Deal found 9/9![Southwest logo]()
$187
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 10/110:40 am -
Nonstop1h 33m
Mon 10/511:35 am -
Nonstop1h 36m
Deal found 9/8![United Airlines logo]()
$188
Best flights from Indiana to St. LouisDiscover carefully curated flight deals from Indiana to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Indiana to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/1212:43 pm -
1 stop5h 57m
Fri 10/166:35 pm -
1 stop15h 07m
Deal found 9/6![Frontier logo]()
$126
This Southwest deal was found by Cheapflights users on 9/8. 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 10/157:50 am -
Nonstop1h 10m
Sat 10/1711:55 am -
2 stops6h 00m
Deal found 9/8![Southwest logo]()
$208
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/26:10 am -
1 stop4h 21m
Sat 10/36:40 am -
1 stop3h 57m
Deal found 9/8![Delta logo]()
$208
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/59:30 pm -
Nonstop1h 29m
Mon 10/129:04 am -
Nonstop1h 36m
Deal found 9/5![United Airlines logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/2912:19 pm -
1 stop5h 29m
Wed 10/711:31 am -
1 stop5h 29m
Deal found 9/5![American Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/52:04 pm -
1 stop22h 28m
Mon 10/126:35 pm -
2 stops40h 23m
Deal found 9/7![Multiple Airlines logo]()
$506
This Southwest deal was found by Cheapflights users on 9/8. 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.
Sat 1/307:20 am -
1 stop7h 50m
Tue 2/23:45 pm -
1 stop5h 00m
Deal found 9/8![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/2910:45 am -
Nonstop1h 25m
Fri 10/309:40 am -
Nonstop1h 36m
Deal found 9/7![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/95:30 pm -
1 stop5h 51m
Sun 10/116:47 am -
1 stop5h 54m
Deal found 9/9![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/96:30 am -
1 stop5h 20m
Tue 10/135:00 am -
1 stop6h 05m
Deal found 9/9![American Airlines logo]()
$290
This Frontier deal was found by Cheapflights users on 9/6. 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 10/291:33 pm -
1 stop10h 43m
Mon 11/24:26 pm -
1 stop6h 27m
Deal found 9/6![Frontier logo]()
$290
This Southwest deal was found by Cheapflights users on 9/7. 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 10/110:05 pm -
Nonstop1h 10m
Mon 10/510:00 pm -
Nonstop1h 10m
Deal found 9/7![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/199:30 pm -
Nonstop1h 29m
Fri 10/2310:27 am -
Nonstop1h 32m
Deal found 9/5![United Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 9/7. 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 10/297:00 am -
1 stop6h 53m
Fri 10/302:38 pm -
1 stop5h 52m
Deal found 9/7![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:55 am -
Nonstop1h 20m
Mon 9/282:20 pm -
Nonstop1h 10m
Deal found 9/4![Southwest logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 9/204:06 pm -
1 stop5h 38m
Sun 9/2711:01 am -
1 stop3h 24m
Deal found 9/5![American Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 11/311:10 am -
1 stop5h 33m
Thu 11/57:30 am -
1 stop4h 26m
Deal found 9/8![United Airlines logo]()
$279
This CheapOair deal was found by Cheapflights users on 9/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:16 pm -
1 stop27h 01m
Sat 9/268:10 pm -
1 stop19h 01m
Deal found 9/7![Frontier logo]()
$309
This Southwest deal was found by Cheapflights users on 9/5. 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.
Mon 10/55:50 pm -
Nonstop1h 10m
Mon 10/126:10 pm -
Nonstop1h 05m
Deal found 9/5![Southwest logo]()
$269
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 10/1711:42 am -
1 stop4h 55m
Sun 10/186:47 am -
1 stop6h 28m
Deal found 9/7![Delta logo]()
$308
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:32 pm -
1 stop15h 45m
Sun 9/205:19 pm -
1 stop17h 01m
Deal found 9/9![Frontier logo]()
$310
This Southwest deal was found by Cheapflights users on 9/5. 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.
Fri 10/910:05 pm -
Nonstop1h 15m
Mon 10/1210:00 pm -
Nonstop1h 10m
Deal found 9/5![Southwest logo]()
$269
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/247:36 pm -
1 stop5h 51m
Sun 9/275:00 am -
1 stop4h 16m
Deal found 9/8![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/6. 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.
Sat 10/176:20 am -
1 stop4h 18m
Sat 10/246:47 am -
1 stop3h 42m
Deal found 9/6![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 10/249:00 am -
1 stop6h 16m
Mon 10/266:50 pm -
1 stop3h 48m
Deal found 9/8![United Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 9/257:50 pm -
1 stop5h 37m
Sun 9/275:00 am -
1 stop4h 16m
Deal found 9/7![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:50 am -
Nonstop1h 10m
Tue 10/65:30 am -
1 stop5h 50m
Deal found 9/4![Southwest logo]()
$279
This Delta deal was found by Cheapflights users on 9/6. 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.
Wed 10/77:00 am -
1 stop6h 53m
Tue 10/1310:35 am -
1 stop5h 57m
Deal found 9/6![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 11/139:10 am -
1 stop4h 00m
Fri 11/136:50 pm -
1 stop4h 06m
Deal found 9/6![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 10/168:00 pm -
1 stop4h 40m
Sun 10/185:45 am -
Nonstop1h 05m
Deal found 9/8![Southwest logo]()
$279
Last-minute flights from Indiana to St. LouisDiscover last-minute flight deals from Indiana to St. Louis. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to St. Louis. Data last updated September 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/9. 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 10/17:50 am -
Nonstop1h 10m
Fri 10/25:50 pm -
1 stop3h 35m
Deal found 9/9![Southwest logo]()
$154
This Delta deal was found by Cheapflights users on 9/8. 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 10/16:10 am -
1 stop4h 21m
Mon 10/51:55 pm -
1 stop4h 31m
Deal found 9/8![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 10/110:40 am -
Nonstop1h 33m
Mon 10/511:35 am -
Nonstop1h 36m
Deal found 9/8![United Airlines logo]()
$188
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 10/37:13 pm -
1 stop4h 03m
Wed 10/142:38 pm -
1 stop3h 22m
Deal found 9/8![Delta logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/1212:43 pm -
1 stop5h 57m
Fri 10/166:35 pm -
1 stop15h 07m
Deal found 9/6![Frontier logo]()
$126
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/137:50 pm -
Nonstop1h 31m
Wed 10/141:29 pm -
Nonstop1h 31m
Deal found 9/9![United Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 9/9. 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.
Tue 10/139:40 am -
Nonstop1h 10m
Wed 10/1410:55 am -
Nonstop1h 10m
Deal found 9/9![Southwest logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/146:00 am -
1 stop11h 40m
Mon 10/196:35 pm -
1 stop16h 57m
Deal found 9/8![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/146:00 am -
1 stop11h 40m
Wed 10/216:35 pm -
1 stop14h 46m
Deal found 9/8![Frontier logo]()
$181
This Delta deal was found by Cheapflights users on 9/8. 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.
Wed 10/211:55 pm -
1 stop6h 56m
Fri 10/232:38 pm -
1 stop3h 51m
Deal found 9/8![Delta logo]()
$174
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 10/271:05 pm -
2 stops5h 55m
Fri 11/279:35 pm -
Nonstop1h 05m
Deal found 9/8![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 9/9. 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 10/281:05 pm -
2 stops5h 55m
Fri 10/303:05 pm -
1 stop5h 50m
Deal found 9/9![Southwest logo]()
$169
One-way flights from Indiana to St. LouisSearch for one-way flight options from Indiana to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Indiana to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/7. 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.
Mon 10/57:50 am -
Nonstop1h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$59
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/316:50 am -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$59
This Frontier deal was found by Cheapflights users on 9/9. 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.
Wed 10/216:21 am -
1 stop11h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$65
This Frontier deal was found by Cheapflights users on 9/8. 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.
Mon 10/58:55 pm -
1 stop14h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$65
This Southwest deal was found by Cheapflights users on 9/7. 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 10/79:35 am -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$69
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:32 pm -
1 stop15h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$70
This Southwest deal was found by Cheapflights users on 9/9. 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 10/211:05 pm -
2 stops5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$74
This Delta deal was found by Cheapflights users on 9/9. 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 10/61:27 pm -
1 stop3h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 9/7. 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 12/316:25 am -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$79
This Expedia deal was found by Cheapflights users on 9/8. 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.
Fri 10/236:20 am -
1 stop10h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$82
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 10/232:12 pm -
Nonstop1h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$86
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:25 am -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$89
Find flight deals from Indiana to St. Louis
Keep the following information in mind while searching for Indiana to St. Louis flight deals. Data was last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Kiwi.com) |
One-way from | $59 (Southwest) |
Popular in | November |
Cheapest in | January |
Average price | $422 |
Cheapflights Fare Finder
Customize your flight search to find flights from Indiana to St. Louis 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Indiana to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoSt. Louis
MDW Chicago Midway - STL Lambert-St Louis
MDWSTL
Chicago Midway
Wed 10/7
8:50 pm-10:05 pm
Nonstop1h 15m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Wed 9/30
10:40 am-12:13 pm
Nonstop1h 33m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Sat 10/3
2:12 pm-3:43 pm
Nonstop1h 31m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
ChicagoSt. Louis
MDW Chicago Midway - STL Lambert-St Louis
MDWSTL
Chicago Midway
Sat 10/10
9:29 am-3:37 pm
1 stop6h 08m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
ChicagoSt. Louis
MDW Chicago Midway - STL Lambert-St Louis
MDWSTL
Chicago Midway
Tue 11/10
5:29 pm-11:18 pm
1 stop5h 49m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
ChicagoSt. Louis
MDW Chicago Midway - STL Lambert-St Louis
MDWSTL
Chicago Midway
Tue 10/6
1:27 pm-5:19 pm
1 stop3h 52m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
ChicagoSt. Louis
MDW Chicago Midway - STL Lambert-St Louis
MDWSTL
Chicago Midway
Thu 10/8
9:29 am-1:53 pm
1 stop4h 24m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Mon 12/7
7:05 am-1:30 pm
1 stop6h 25m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Thu 12/10
9:59 am-4:30 pm
1 stop6h 31m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
ChicagoSt. Louis
ORD Chicago O'Hare Intl - STL Lambert-St Louis
ORDSTL
Chicago O'Hare Intl
Thu 12/31
6:25 am-10:35 am
1 stop4h 10m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Indiana to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Indiana with our price prediction graph.
MDW-STL
ORD-STL
CVG-STL
IND-STL
DAY-STL
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 Indiana to St. Louis
USIN-STL
MDW-STL
ORD-STL
CVG-STL
IND-STL
What is the cheapest month to book a flight from Indiana to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Indiana to St. Louis (average of $268). Flying from Indiana to St. Louis in October is currently the most expensive (average of $558). 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.
Related info for your journey
Find useful and relevant information for your journey from Indiana to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Indiana to St. Louis
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Complete your trip
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Indiana and St. Louis flights
Browse other Indiana and St. Louis flight options. Last updated on September 10, 2026.
Popular flight searches
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Indiana to St. Louis flights
Consider these flights traveling from Indiana to St. Louis.
Top 2 airlines flying from Indiana to St. Louis
Discover the top 2 airlines that operate flights from Indiana to St. Louis. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$221 | Average$275 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$338 | FlexibilityNo cancel fee | On-time69% |