$65+ Cheap flights from St. Louis to Indianapolis (STL - IND)
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
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Indianapolis 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
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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 Indianapolis
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Cheapest flights from St. Louis to IndianapolisExplore the most affordable flight options available from St. Louis to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.
Explore the most affordable flight options available from St. Louis to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.
This Frontier deal was found by Cheapflights users on 4/30. 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 6/811:38 am
STL
- IND
1 stop5h 56m
Frontier
Wed 6/101:44 pm
IND
- STL
1 stop5h 34m
Frontier
Deal found 4/30![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/96:31 pm
STL
- IND
1 stop15h 48m
Frontier
Fri 6/1212:14 pm
IND
- STL
1 stop21h 38m
Frontier
Deal found 4/30![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 4/30. 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 6/811:38 am
STL
- IND
1 stop5h 56m
Frontier
Fri 6/121:44 pm
IND
- STL
1 stop5h 34m
Frontier
Deal found 4/30![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/30. 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 6/511:24 am
STL
- IND
1 stop6h 15m
Frontier
Wed 6/101:44 pm
IND
- STL
1 stop5h 34m
Frontier
Deal found 4/30![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/98:08 pm
STL
- IND
2 stops14h 11m
Frontier
Wed 6/101:44 pm
IND
- STL
1 stop5h 34m
Frontier
Deal found 4/30![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/85:27 pm
STL
- IND
2 stops16h 54m
Multiple Airlines
Wed 6/101:44 pm
IND
- STL
1 stop5h 34m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/255:27 pm
STL
- IND
2 stops40h 54m
Multiple Airlines
Mon 6/17:34 pm
IND
- STL
1 stop29h 23m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$223
This Frontier deal was found by Cheapflights users on 4/30. 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 6/511:24 am
STL
- IND
1 stop6h 15m
Frontier
Fri 6/121:44 pm
IND
- STL
1 stop5h 34m
Frontier
Deal found 4/30![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 4/27. 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 6/118:08 pm
STL
- IND
1 stop22h 58m
Frontier
Mon 6/151:44 pm
IND
- STL
1 stop5h 34m
Frontier
Deal found 4/27![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Sat 6/65:27 pm
STL
- IND
2 stops16h 54m
Multiple Airlines
Wed 6/101:44 pm
IND
- STL
1 stop5h 34m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/96:31 pm
STL
- IND
1 stop15h 48m
Frontier
Thu 6/118:51 pm
IND
- STL
2 stops22h 27m
Frontier
Deal found 4/30![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/85:27 pm
STL
- IND
2 stops16h 54m
Multiple Airlines
Fri 6/1212:14 pm
IND
- STL
1 stop21h 38m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$253
Best flights from St. Louis to IndianapolisDiscover carefully curated flight deals from St. Louis to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
Discover carefully curated flight deals from St. Louis to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/255:27 pm
STL
- IND
2 stops40h 54m
Multiple Airlines
Mon 6/17:34 pm
IND
- STL
1 stop29h 23m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$223
This Frontier deal was found by Cheapflights users on 4/27. 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 6/118:08 pm
STL
- IND
1 stop22h 58m
Frontier
Mon 6/151:44 pm
IND
- STL
1 stop5h 34m
Frontier
Deal found 4/27![Frontier logo]()
$231
This Delta deal was found by Cheapflights users on 4/30. 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 6/96:21 am
STL
- IND
1 stop4h 19m
Delta
Wed 6/1010:30 am
IND
- STL
1 stop3h 39m
Delta
Deal found 4/30![Delta logo]()
$275
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/295:00 pm
STL
- IND
1 stop6h 55m
American Airlines
Sun 5/317:47 pm
IND
- STL
1 stop5h 07m
American Airlines
Deal found 4/30![American Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/241:13 pm
STL
- IND
1 stop4h 48m
United Airlines
Sun 5/314:25 pm
IND
- STL
1 stop3h 55m
United Airlines
Deal found 4/26![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 4/27. 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 7/234:35 pm
STL
- IND
2 stops6h 40m
Southwest
Sun 7/262:55 pm
IND
- STL
1 stop7h 05m
Southwest
Deal found 4/27![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 4/30. 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.
Sun 6/76:00 am
STL
- IND
1 stop5h 40m
Delta
Mon 6/86:40 pm
IND
- STL
1 stop6h 16m
Delta
Deal found 4/30![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/211:25 am
STL
- IND
1 stop4h 05m
United Airlines
Wed 6/38:00 am
IND
- STL
1 stop5h 11m
United Airlines
Deal found 4/28![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 4/30. 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 7/244:35 pm
STL
- IND
2 stops6h 40m
Southwest
Mon 7/271:15 pm
IND
- STL
2 stops8h 35m
Southwest
Deal found 4/30![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 6/85:36 pm
STL
- IND
1 stop5h 41m
Delta
Thu 6/116:30 am
IND
- STL
1 stop4h 02m
Delta
Deal found 4/30![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 4/30. 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 6/116:21 am
STL
- IND
1 stop4h 19m
Delta
Thu 6/117:33 pm
IND
- STL
1 stop4h 50m
Delta
Deal found 4/30![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 4/30. 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 6/51:59 pm
STL
- IND
1 stop3h 54m
Delta
Sat 6/134:00 pm
IND
- STL
1 stop5h 39m
Delta
Deal found 4/30![Delta logo]()
$337
Last-minute flights from St. Louis to IndianapolisDiscover last-minute flight deals from St. Louis to Indianapolis. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Indianapolis. Data last updated May 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/146:55 pm
STL
- IND
1 stop15h 28m
Multiple Airlines
Mon 5/186:40 pm
IND
- STL
2 stops23h 53m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Fri 5/154:19 pm
STL
- IND
1 stop29h 22m
Multiple Airlines
Tue 5/191:46 pm
IND
- STL
2 stops20h 09m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Fri 5/154:19 pm
STL
- IND
1 stop28h 01m
Multiple Airlines
Mon 5/186:10 am
IND
- STL
1 stop19h 11m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/184:19 pm
STL
- IND
1 stop19h 27m
Multiple Airlines
Thu 5/216:10 am
IND
- STL
2 stops11h 05m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/199:21 am
STL
- IND
1 stop6h 31m
United Airlines
Wed 5/203:40 pm
IND
- STL
1 stop4h 15m
United Airlines
Deal found 4/26![United Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/255:27 pm
STL
- IND
2 stops40h 54m
Multiple Airlines
Mon 6/17:34 pm
IND
- STL
1 stop29h 23m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/266:33 pm
STL
- IND
1 stop15h 50m
Multiple Airlines
Thu 5/286:10 am
IND
- STL
2 stops12h 23m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/266:33 pm
STL
- IND
1 stop15h 50m
Frontier
Thu 5/281:46 pm
IND
- STL
1 stop11h 11m
Frontier
Deal found 5/1![Frontier logo]()
$263
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/266:00 am
STL
- IND
1 stop4h 31m
American Airlines
Wed 5/273:58 pm
IND
- STL
1 stop5h 32m
American Airlines
Deal found 4/27![American Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 4/29. 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 5/2911:25 am
STL
- IND
1 stop6h 09m
Delta
Sun 5/317:02 am
IND
- STL
1 stop4h 30m
Delta
Deal found 4/29![Delta logo]()
$337
One-way flights from St. Louis to IndianapolisSearch for one-way flight options from St. Louis to Indianapolis. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
Search for one-way flight options from St. Louis to Indianapolis. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/266:33 pm
STL
- IND
1 stop15h 50m
Frontier
Deal found 4/29![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/236:31 pm
STL
- IND
1 stop15h 48m
Frontier
Deal found 4/29![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/286:33 pm
STL
- IND
1 stop15h 50m
Frontier
Deal found 4/27![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 4/29. 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 6/111:24 am
STL
- IND
1 stop6h 15m
Frontier
Deal found 4/29![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/266:33 pm
STL
- IND
2 stops15h 48m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/255:27 pm
STL
- IND
2 stops40h 54m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/275:27 pm
STL
- IND
2 stops19h 27m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/256:31 pm
STL
- IND
1 stop15h 48m
Frontier
Deal found 4/26![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/184:19 pm
STL
- IND
2 stops41h 44m
Frontier
Deal found 4/28![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/286:33 pm
STL
- IND
2 stops14h 39m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$130
Find flight deals from St. Louis to Indianapolis
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Indianapolis (IND). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Kiwi.com) |
One-way from | $65 (Kiwi.com) |
Popular in | January |
Cheapest in | August |
Average price | $441 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Indianapolis 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 May 1, 2026.
Use the filters below to find and compare flights from St. Louis to Indianapolis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Mon 5/25
5:27 pm-11:21 am
2 stops40h 54m
Indianapolis
Mon 6/1
7:34 pm-11:57 pm
1 stop29h 23m
$223
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Thu 6/11
8:08 pm-8:06 pm
1 stop22h 58m
Indianapolis
Mon 6/15
1:44 pm-6:18 pm
1 stop5h 34m
$231
Quickest round-trip
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Tue 6/9
6:21 am-11:40 am
1 stop4h 19m
Indianapolis
Wed 6/10
10:30 am-1:09 pm
1 stop3h 39m
$275
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Sun 6/7
6:00 am-12:40 pm
1 stop5h 40m
Indianapolis
Mon 6/8
6:40 pm-11:56 pm
1 stop6h 16m
$318
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Mon 6/8
5:36 pm-12:17 am
1 stop5h 41m
Indianapolis
Thu 6/11
6:30 am-9:32 am
1 stop4h 02m
$318
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Fri 5/29
5:00 pm-12:55 am
1 stop6h 55m
Indianapolis
Sun 5/31
7:47 pm-11:54 pm
1 stop5h 07m
$337
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Sun 5/24
1:13 pm-7:01 pm
1 stop4h 48m
Indianapolis
Sun 5/31
4:25 pm-7:20 pm
1 stop3h 55m
$337
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Thu 6/11
6:21 am-11:40 am
1 stop4h 19m
Indianapolis
Thu 6/11
7:33 pm-11:23 pm
1 stop4h 50m
$337
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Fri 6/5
1:59 pm-6:53 pm
1 stop3h 54m
Indianapolis
Sat 6/13
4:00 pm-8:39 pm
1 stop5h 39m
$337
St. LouisIndianapolis
STL - IND
STLIND
Lambert-St Louis
Thu 7/23
4:35 pm-12:15 am
2 stops6h 40m
Indianapolis
Sun 7/26
2:55 pm-9:00 pm
1 stop7h 05m
$342
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Indianapolis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Indianapolis in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Indianapolis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Indianapolis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Indianapolis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Indianapolis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Indianapolis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Indianapolis
Have a flexible travel schedule? Discover the best time to fly to Indianapolis from St. Louis with our price prediction graph.
STL-IND
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 Indianapolis
What is the cheapest month to book a flight from St. Louis to Indianapolis?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Indianapolis (average of $234). Flying from St. Louis to Indianapolis in January is currently the most expensive (average of $685). 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.
How much does it cost to fly round-trip from St. Louis to Indianapolis?
Reviews of airlines servicing Indianapolis
Get insights into the airlines that provide service to Indianapolis. 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 Indianapolis. Reviews last updated May 1, 2026.
See what other customers who have flown with American Airlines from St. Louis to Indianapolis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Boarding
7.5
Comfort
7.2
Food
6.4
Crew
7.9
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Entertainment
6.9
Boarding
7.5
Comfort
7.2
Food
6.4
Crew
7.9
Overall
7.1
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Indianapolis. 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 Indianapolis?
Book flights to Indianapolis if you plan to visit one of these locationsTerre Haute
Muncie
Greenwood
Fishers
Kokomo
Plainfield
Mooresville
Anderson
Franklin
Carmel
Noblesville
Bloomington
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Top airline flying from St. Louis to Indianapolis
Discover the top airline that operate flights from St. Louis to Indianapolis. 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$297 | FlexibilityNo cancel fee | On-time71% |