Cheap flights from Indianapolis to St. Louis
Choose between American Airlines, WN, or Delta Air Lines to find the best price
View all connections
Why travel with Kiwi.com?
Customer support
We’ve got you covered if anything goes wrong.
Secure payment
Join millions of travelers booking with us.
Hundreds of carriers
Compare 600+ of carriers in one search to find the best deal.
Cheap one-way trips starting from £39 from Indianapolis IND to St. Louis STL
Indianapolis Union StationSt. Louis Union Station
One-way,
From £39
Indianapolis Union StationSt. Louis Union Station
One-way,
From £39
Indianapolis Union StationSt. Louis Union Station
One-way,
From £39
Indianapolis Union StationSt. Louis Union Station
One-way,
From £39
Indianapolis Union StationSt. Louis Union Station
One-way,
From £39
Indianapolis Union StationSt. Louis Union Station
One-way,
From £44
Cheap round trips starting from £80 from Indianapolis IND to St. Louis STL
Indianapolis Union StationSt. Louis Union Station
Round trip, -
From £80
Indianapolis Union StationSt. Louis Union Station
Round trip, -
From £80
Indianapolis Union StationSt. Louis Union Station
Round trip, -
From £80
Indianapolis Union StationSt. Louis Union Station
Round trip, -
From £80
Indianapolis Union StationSt. Louis Union Station
Round trip, -
From £80
Indianapolis Union StationSt. Louis Union Station
Round trip, -
From £80
Travelers usually depart from Indianapolis International, Indianapolis Union Station, or Indianapolis. IN - Washington St Bus StopEstates when they travel from Indianapolis to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The most popular airlines for this route are American Airlines, WN, Delta Air Lines, United Airlines, and Frontier Airlines. Indianapolis and St. Louis have 181 direct flights per week.
Weekly flights
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Number of flights | 27 | 30 | 40 | 23 | - | 28 | 33 |
Check-in for a flight from Indianapolis to St. Louis
| Name | Carrier code | IATA Code | Passport needed during booking | Airport check-in closes | Online check-in available |
|---|---|---|---|---|---|
| American Airlines | AAL | AA | Yes | Unknown | No |
| WN | SWA | WN | No | Unknown | No |
| Delta Air Lines | DAL | DL | Yes | Unknown | No |
| United Airlines | UAL | UA | Yes | Unknown | No |
| Frontier Airlines | FFT | F9 | No | Unknown | No |
Frequently asked questions
What are the most popular routes to and from Indianapolis?
Travelers frequently search for route combinations, such as Indianapolis and Orlando Sanford International, Denver International, Fort Lauderdale–Hollywood International, Tampa International, Dallas/Fort Worth International, Southwest Florida International, Sacramento International, Palm Beach International, Ontario International, Destin–Fort Walton Beach, Punta Gorda.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and McCarran International, Orlando International, Denver International, San Jose International, Hector International, Owensboro–Daviess County Regional, Jonesboro Municipal, Quincy Regional, Williamson County Regional, Waynesville-St. Robert Regional, Kirksville Regional.
What airports are near Indianapolis?
The main airport in Indianapolis is Indianapolis International. It is also served by Cincinnati/Northern Kentucky International, Indianapolis International, Louisville International, Blue Grass, Fort Wayne International, Dayton International, South Bend International, Central Illinois Regional, Owensboro–Daviess County Regional, Evansville Regional.
What airports are near St. Louis?
The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, Central Illinois Regional, General Wayne A. Downing Peoria International, Williamson County Regional, MidAmerica St. Louis, Evansville Regional, Quincy Regional, Columbia Regional, Decatur, Waynesville-St. Robert Regional.
What buses and trains depart from Indianapolis?
A number of bus and train companies depart from Indianapolis, including Hoosier ride, Miller Transportation.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Indianapolis and St. Louis?
What is Virtual Interlining and how do I use it?
Which airlines fly between Indianapolis and St. Louis?
When's the best time to travel between Indianapolis and St. Louis?
What flights operate between Indianapolis and St. Louis?
How many airports are there near Indianapolis?
How many airports are there near St. Louis?
Is it possible to reach Indianapolis by bus or train?
What time do nonstop (direct) flights between Indianapolis and St. Louis depart?
What time do nonstop (direct) flights between Indianapolis and St. Louis arrive?
What time do flights between Indianapolis and St. Louis depart?
What time do flights between Indianapolis and St. Louis arrive?
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative destinations
Flights from Indianapolis
- Flights from Indianapolis to Orlando Sanford International
- Flights from Indianapolis to Denver International
- Flights from Indianapolis to Fort Lauderdale–Hollywood International
- Flights from Indianapolis to Tampa International
- Flights from Indianapolis to Dallas/Fort Worth International
- Flights from Indianapolis to Southwest Florida International
- Flights from Indianapolis to Sacramento International
- Flights from Indianapolis to Palm Beach International
- Flights from Indianapolis to Ontario International
- Flights from Indianapolis to Destin–Fort Walton Beach
- Flights from Indianapolis to Punta Gorda
Flights to St. Louis
- Flights from McCarran International to St. Louis
- Flights from Orlando International to St. Louis
- Flights from Denver International to St. Louis
- Flights from San Jose International to St. Louis
- Flights from Hector International to St. Louis
- Flights from Owensboro–Daviess County Regional to St. Louis
- Flights from Jonesboro Municipal to St. Louis
- Flights from Quincy Regional to St. Louis
- Flights from Williamson County Regional to St. Louis
- Flights from Waynesville-St. Robert Regional to St. Louis
- Flights from Kirksville Regional to St. Louis
Find the best connection from Indianapolis to St. Louis
Search, compare, and book flights, trains, or buses to get there.
Search flights, trains & buses