What’s the cost of a flight from Indianapolis to Saint Louis?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Indianapolis and Saint Louis.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Flying from or to Indianapolis and Saint Louis? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Indianapolis: Only Indianapolis is available for departures.
• Airports in Saint Louis: Saint Louis - Lambert is the only arrival option right now.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Match your flight search to your preferences: Indianapolis – Saint Louis

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from Expedia, Delta, United, American, and more.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.