CA $452 Cheap Flights from St. Louis (STL) to Indianapolis (IND)

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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 CA $810 rising to CA $881.

Here are more money-saving tips:

• Fly in November 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 does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) cost?

You can find one-way and return flights from STL to IND with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when STL to IND ticket fares go up or down.

What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.)?

The cheapest months to fly from STL to IND are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Which airlines fly direct from St. Louis, MO (STL) to Indianapolis, IN (IND)?

Enter STL to IND and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

How do I find cheap flights from St. Louis, MO (STL) to Indianapolis, IN (IND)?

To find a cheap flight from St. Louis, MO (STL) to Indianapolis, IN (IND), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.)?

There are approximately 78 connecting flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.). Some common connection points include O'Hare Intl., Hartsfield-Jackson Atlanta Intl., and Detroit Metropolitan Wayne County.

What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.)?

The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) typically departs around 5:00 AM. This flight is operated by American Airlines. This is a seasonal service, active only in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.)?

You'll typically find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) on a Sunday, with around 65 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and United. Sunday offers notably more flight options compared to other days of the week, so if you're looking for the widest selection, that's a great day to consider.

What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.)?

The most popular departure times for flights from Lambert-St. Louis Intl. (STL) to Indianapolis Intl. (IND) are in the early morning, from 6am to 9am. Many major carriers, including Southwest Airlines, American Airlines and United, offer flights during this window. Many travellers prefer these times as it allows them to arrive at their destination early in the day, giving them more time for business or leisure activities.

How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.)?

Flying from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) covers a distance of approximately 367 kilometres. If you're looking for the quickest way to travel, a nonstop flight typically takes around 1 hour. For flights with one stop, you can expect the journey to be longer, usually around 5 hours 48 minutes. Flights with two or more stops will take even more time, generally around 8 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.

Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.)?

Yes, you can fly business class or first class between STL and IND. You can fly business class with Frontier Airlines.

First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.

How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) flight with Expedia?

It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Indianapolis, IN (IND) from St. Louis, MO (STL)?

If you're planning to travel to Indianapolis from Lambert-St. Louis Intl. (STL), you can fly directly into Indianapolis Intl. (IND). Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Clinton National Airport (LIT), or Love Field (DAL) before reaching Indianapolis. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) at the last minute?

Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) flight and hotel package?

Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Indianapolis, IN (IND-Indianapolis Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from St. Louis, MO (STL) to Indianapolis, IN (IND)?

If you booked your St. Louis, MO (STL) to Indianapolis, IN (IND) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.