CA $378 Cheap Flights from St. Louis (STL) to Indianapolis (IND)

View CA $378 flight on Tue, Aug. 5, 2025Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Indianapolis International Airport (IND)

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Cheap flights from St. Louis (STL) to Indianapolis (IND)

Prices were available within the past 7 days and start at CA $378 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from St. Louis (STL) to Indianapolis (IND)

August is typically the cheapest month to fly

From CA $215 - CA $1,110 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Indianapolis (STL - IND) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Indianapolis Intl.
Distance
364 km

St. Louis to Indianapolis Flights

The easy way to book your flights from St. Louis to Indianapolis 

With Expedia, it’s simple to find and book flights to Indianapolis from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 5 airlines that cover this route. There are nonstop flights to Indianapolis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Indianapolis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Indianapolis Intl., IND 

Sort your search results by price to find great deals on your flight from St. Louis to Indianapolis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Indianapolis from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Indianapolis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Indianapolis from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Indianapolis with Expedia today.

Frequently asked questions

How much is a flight from Lambert Field to Indianapolis Intl. Airport (IND)?
Round-trip tickets from STL to IND start from . This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Indianapolis Intl. Airport (IND)?
This can vary between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find easy instructions on how to cancel online.
How do I find cheap flights from Lambert Field to Indianapolis Intl. Airport (IND) that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from Lambert-St. Louis Intl. Airport (STL) to Indianapolis Intl. Airport (IND). This allows you to snag a low rate ahead of time and still have the freedom to reschedule without any additional fees. Keep in mind that you'll need to cover the fare difference.
How many hours is the flight from STL to Indianapolis Intl. Airport (IND)?
It takes approximately 5 hours and 8 minutes to journey from Lambert-St. Louis Intl. Airport (STL) to Indianapolis Airport. But with a solid playlist and an interesting book, the hours will go by quicker.
How far is the flight from STL to Indianapolis Intl. Airport (IND)?
With a flight distance of 370 kilometres, it's just a short hop from Lambert-St. Louis Intl. Airport (STL) to IND. It might be a quick journey, but it's still worth bringing along a book to read.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Indianapolis Intl. Airport (IND)?
One airline that services the route from Lambert Field to Indianapolis Intl. Airport (IND) is American Airlines (AA). It offers 0 flights every month. Alaska Airlines (AS) is also worth checking out. It operates 0 flights each month. Between these two airlines, you'll be able to find a good deal from St. Louis to Indianapolis.
Are Lambert-St. Louis Intl. Airport (STL) to Indianapolis Intl. Airport (IND) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Lambert-St. Louis Intl. Airport (STL) to Indianapolis Intl. Airport (IND) last minute could save you some cash. However, it could end up costing a great deal more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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