STL - IND

$64 Find Cheap Flights from St. Louis to Indianapolis - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$214
Typical prices: $297-$586
Frontier
Tue 11/6Fri 11/9
STL - IND • 1 stop
Cheapest one-way
$64
Typical prices: $168-$335
Frontier
Fri 11/30
STL - IND • 1 stop
Nonstop flights
There are currently no direct flights between St. Louis and Indianapolis. You'll need to take a connecting flight to reach the destination.
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Insights
When to travel
Cheapest • 27% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $325 (round-trip)
Shortest trip • 3h 34m (one-way)
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Insights
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Flight Deals

Cheap Flights from St. Louis to Indianapolis (STL-IND)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Indianapolis

Fri, Nov 6 - Mon, Nov 9
Frontier Logo
7:59 pm - 3:08 pmSTL  Lambert-St Louis-IND Indianapolis
18h 09m1 stop Denver Intl
Frontier Logo
11:25 am - 11:16 pmIND  Indianapolis-STL Lambert-St Louis
12h 51m1 stop Orlando
$214Frontier
Tue, Nov 3 - Wed, Nov 4
Southwest Logo
4:15 pm - 9:45 pmSTL  Lambert-St Louis-IND Indianapolis
4h 30m1 stop Dallas Love Field
Southwest Logo
5:30 pm - 10:15 pmIND  Indianapolis-STL Lambert-St Louis
5h 45m1 stop Baltimore/Washington
$228Southwest
Tue, Nov 3 - Wed, Nov 4
Southwest Logo
4:30 pm - 8:45 pmSTL  Lambert-St Louis-IND Indianapolis
3h 15m1 stop Nashville Intl
Southwest Logo
2:10 pm - 7:25 pmIND  Indianapolis-STL Lambert-St Louis
6h 15m2 stops Baltimore/Washington Pittsburgh
$234Southwest
Tue, Nov 3 - Wed, Nov 4
Southwest Logo
5:30 am - 3:45 pmSTL  Lambert-St Louis-IND Indianapolis
9h 15m2 stops Dallas Love Field Kansas City
Southwest Logo
2:10 pm - 7:25 pmIND  Indianapolis-STL Lambert-St Louis
6h 15m2 stops Baltimore/Washington Pittsburgh
$239Southwest
Wed, Nov 4 - Fri, Nov 6
Southwest Logo
8:30 am - 3:45 pmSTL  Lambert-St Louis-IND Indianapolis
6h 15m1 stop Kansas City
Southwest Logo
6:50 am - 10:05 amIND  Indianapolis-STL Lambert-St Louis
4h 15m1 stop Chicago Midway
$258Southwest
Fri, Nov 6 - Mon, Nov 9
Southwest Logo
4:40 pm - 12:20 amSTL  Lambert-St Louis-IND Indianapolis
6h 40m2 stops Charlotte Douglas Baltimore/Washington
Southwest Logo
7:15 pm - 9:20 pmIND  Indianapolis-STL Lambert-St Louis
3h 05m1 stop Nashville Intl
$263Southwest
Wed, Nov 4 - Fri, Nov 6
Southwest Logo
1:40 pm - 10:25 pmSTL  Lambert-St Louis-IND Indianapolis
7h 45m1 stop Austin Bergstrom
Southwest Logo
1:05 pm - 7:10 pmIND  Indianapolis-STL Lambert-St Louis
7h 05m2 stops Baltimore/Washington Milwaukee-Mitchell
$293Southwest
Mon, Nov 2 - Mon, Nov 9
Frontier Logo
6:44 pm - 10:30 amSTL  Lambert-St Louis-IND Indianapolis
38h 46m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
11:25 am - 11:16 pmIND  Indianapolis-STL Lambert-St Louis
12h 51m1 stop Orlando
$301Frontier
Thu, Oct 29 - Mon, Nov 2
United Airlines Logo
1:08 pm - 5:52 pmSTL  Lambert-St Louis-IND Indianapolis
3h 44m1 stop Chicago O'Hare Intl
United Airlines Logo
6:33 pm - 9:40 pmIND  Indianapolis-STL Lambert-St Louis
4h 07m1 stop Chicago O'Hare Intl
$329United Airlines
Wed, Nov 18 - Fri, Nov 20
United Airlines Logo
8:30 am - 3:00 pmSTL  Lambert-St Louis-IND Indianapolis
5h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
9:10 am - 12:10 pmIND  Indianapolis-STL Lambert-St Louis
4h 00m1 stop Chicago O'Hare Intl
$347United Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Indianapolis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Indianapolis?

Round-trip flights from St. Louis to Indianapolis typically range from $297 to $586. The lowest price found in the past 5 days was $214, on Frontier.

Key details for St. Louis to Indianapolis flights

Low season

November

Cheapest flight

$64
Beat the crowds with an average 47% drop in travelers.
The most popular month to fly with an average 111% increase in travelers.
One-way flight from St. Louis to Indianapolis

When to book flights from St. Louis to Indianapolis

Are your dates flexible? Find out the best times to travel from St. Louis to Indianapolis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Indianapolis flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Indianapolis?

    Only Economy Class is available on flights from St. Louis to Indianapolis.

  • How long is a flight from St. Louis to Indianapolis?

    A nonstop flight from St. Louis to Indianapolis takes 00m, covering 228 miles.

  • Do I need a passport to fly from St. Louis to Indianapolis?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a St. Louis to Indianapolis flight?

    Round-trip flights from St. Louis to Indianapolis range from $297 to $586, with an average of $366 over the past 12 months. Anything below $297 counts as a good deal.

  • How much can I save by taking a layover when flying from St. Louis to Indianapolis?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $325 round-trip via Chicago Midway (MDW), compared to $584 for nonstop.

  • Have flight prices from St. Louis to Indianapolis changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $214 to $1,290. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from St. Louis to Indianapolis looking right now?

    One-way fares from St. Louis to Indianapolis are currently lower than usual. Average one-way flight prices are about $131, which is 53% below the typical average for this route.

  • What car rental options are available at Indianapolis Airport (IND)?

    Indianapolis Airport (IND) hosts 5 major car rental companies, with daily rates starting from around $26 for economy cars. Top options include:

    • Hertz
    • Dollar
    • Alamo
    • Thrifty
    • Budget

  • Which airports can I use when flying from St. Louis to Indianapolis?

    Flights from St. Louis to Indianapolis usually depart from Lambert-St Louis (STL) and arrive at Indianapolis (IND).

  • Which airports do connecting flights from St. Louis to Indianapolis pass through?

    One-stop flights from St. Louis to Indianapolis most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 85% of one-stop connections
    • Chicago Midway (MDW) - 10% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Indianapolis?

    Yes. Flexible dates can save you up to 69% on flights from St. Louis to Indianapolis. Wednesday is the cheapest departure day at $243 round-trip on average, while Saturday is the most expensive at $777, a difference of $534.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from St. Louis to Indianapolis?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 3h 34m, compared with 3h 50m via Chicago O'Hare Intl (ORD) and 3h 54m via Chicago Midway (MDW).

  • What is the time difference between St. Louis and Indianapolis?

    Indianapolis is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Indianapolis?

    Some of the most popular sights in Indianapolis are Lucas Oil Stadium, Indiana Convention Center and Gainbridge Fieldhouse. These are among the most viewed places in Indianapolis on KAYAK.

Your guide to booking St. Louis to Indianapolis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $243, about $534 less than Saturday fares (69% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Indianapolis trip for September. Fares historically average $268 round-trip in that month - typically $509 less than the most expensive month, which is March (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Chicago Midway Airport (MDW) can be cheaper than flying direct. The cheapest layover option averages $325 round-trip on this route - about $258 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Indianapolis Airport.

    • Extended Stay America Suites - Indianapolis - Airport
    • Crowne Plaza Indianapolis-Airport By IHG
    • Comfort Suites near Indianapolis Airport

More options for your flight from St. Louis to Indianapolis

Complete your trip to Indianapolis with a hotel stay or car rental