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Flights from St. Louis to Indianapolis Starting at US$62

Discover our range of affordable one-way and round-trip flights from St. Louis to Indianapolis and kick-start your next adventure today!

  • One way
  • Round-trip
      • STL22:32
        10h 49m
        1 stop
        IND10:21
        Tue, Jul 9|St. Louis - Indianapolis|Frontier Airlines
        US$62US$168
        63% OFF
        63% OFF
        US$168US$62
      • STL19:33
        21h 27m
        1 stop
        IND18:00
        Wed, Jul 17|St. Louis - Indianapolis|Frontier Airlines
        US$90US$168
        46% OFF
        46% OFF
        US$168US$90
      • STL21:32
        17h 1m
        1 stop
        IND15:33
        Mon, Jul 8|St. Louis - Indianapolis|Frontier Airlines
        US$96US$168
        43% OFF
        43% OFF
        US$168US$96
      • STL20:02
        14h 33m
        1 stop
        IND11:35
        Sat, Jul 13|St. Louis - Indianapolis|Frontier Airlines
        US$105
        US$105
      • STL05:17
        4h 58m
        1 stop
        IND11:15
        Fri, Jul 5|St. Louis - Indianapolis|American Airlines
        US$110
        US$110
      • STL17:46
        5h 36m
        1 stop
        IND00:22
        Tue, Jul 16|St. Louis - Indianapolis|American Airlines
        US$111
        US$111
      • STL20:57
        16h 43m
        1 stop
        IND14:40
        Thu, Jul 11|St. Louis - Indianapolis|Frontier Airlines
        US$127
        US$127
      • STL06:08
        8h 26m
        1 stop
        IND15:34
        Sat, Jul 13|St. Louis - Indianapolis|American Airlines
        US$129
        US$129
      • STL10:24
        6h 35m
        1 stop
        IND17:59
        Fri, Jul 5|St. Louis - Indianapolis|Sun Country Airlines
        US$130
        US$130
      • STL06:08
        5h 20m
        1 stop
        IND12:28
        Thu, Jul 11|St. Louis - Indianapolis|American Airlines
        US$130
        US$130
      • STL13:00
        3h 5m
        Direct
        IND14:00
        Thu, Jul 11|St. Louis - Indianapolis|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from St. Louis to Indianapolis

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Indianapolis from St. Louis have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from St. Louis to Indianapolis

Which airline provides the cheapest flights from St. Louis to Indianapolis? Discover the option that best suits your travel needs before embarking on your journey.

Frontier Airlines
From US$62
American Airlines
From US$110
Sun Country Airlines
From US$130
United Airlines
From US$133
Delta Air Lines
From US$143
Southern Airways Express
From US$239
Southwest Airlines
From US$286
Alaska Airlines
From US$374
ANA airlines

Find more flights and airlines

Alternative Routes from St. Louis to Indianapolis

There are various non-direct routes from St. Louis to Indianapolis which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • Cheapest
    Frontier Airlines
    STL
    22:32
    10h 49m
    1 transfer
    IND
    10:21
    St.Louis Lambert International Airport - Indianapolis International Airport
    Tue, Jul 9Frontier Airlines
    US$62
  • Frontier Airlines
    STL
    22:32
    10h 49m
    1 transfer
    IND
    10:21
    St.Louis Lambert International Airport - Indianapolis International Airport
    Tue, Jul 9Frontier Airlines
    US$62
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from St. Louis (STL) to Indianapolis (IND) the cheapest?

    Airlines adjust prices for flights from St. Louis to Indianapolis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Indianapolis (IND) cost?

    According to Trip.com's data, the lowest price is around $319.

  • How long does it take to fly from St. Louis (STL) to Indianapolis (IND) and what is the distance?

    It takes around 6 hours 10 minutes to fly from St. Louis (STL) to Indianapolis (IND).

  • What is the transportation method from the main airport to downtown in Indianapolis?

    • The distance from Indianapolis International Airport to downtown is about 12km. It takes about 30 minutes by taxi.

  • What are the most popular airlines that fly from St. Louis (STL) to Indianapolis (IND)?

    Airlines with flights from St. Louis (STL) to Indianapolis (IND): Southwest Airlines.

How to find a cheap flight from St. Louis to Indianapolis

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from St. Louis to Indianapolis

Cheapest nonstop flight price

$62

Off-season for travel

May

Peak season for travel

January

Flight distance

356.86km

Average flight time

6 hours 10 minutes

Popular airline

Frontier Airlines

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