STL - IND

$76 Find Cheap Flights from St. Louis to Indianapolis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Indianapolis departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Indianapolis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Indianapolis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Indianapolis, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$170
Frontier
Tue 8/4Fri 8/7
STL - IND • 1 stop
Cheapest one-way
$76
Typical prices: $275-$327
Frontier
Sun 9/13
STL - IND • 1 stop
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Indianapolis. You'll need at least 1 connection.
Insights
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Top layover airports
Cheapest • Avg $235 (round-trip)
Shortest trip • 3h 26m (one-way)
Insights
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When to travel
Cheapest • 100% price drop
Most popular
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Indianapolis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from St. Louis to Indianapolis (STL-IND)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Indianapolis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Indianapolis

Tue, Aug 4 - Fri, Aug 7
Frontier Logo
6:34 pm - 11:25 am
STL
-
IND
15h 51m
1 stop
Frontier Logo
12:20 pm - 8:57 am
IND
-
STL
21h 37m
1 stop
$170Frontier
Sun, Jul 19 - Wed, Jul 22
Frontier Logo
6:34 pm - 11:25 am
STL
-
IND
15h 51m
1 stop
Frontier Logo
12:20 pm - 11:59 pm
IND
-
STL
12h 39m
2 stops
$229Frontier
Sat, Jul 25 - Sat, Aug 1
Southwest Logo
5:40 am - 12:20 pm
STL
-
IND
5h 40m
1 stop
Southwest Logo
5:40 pm - 10:25 pm
IND
-
STL
5h 45m
1 stop
$233Southwest
Tue, Sep 8 - Thu, Sep 10
American Airlines Logo
6:00 am - 11:32 am
STL
-
IND
4h 32m
1 stop
American Airlines Logo
8:52 pm - 12:27 am
IND
-
STL
4h 35m
1 stop
$235American Airlines
Sat, Jul 25 - Sat, Aug 1
Southwest Logo
4:40 pm - 10:50 pm
STL
-
IND
5h 10m
1 stop
Southwest Logo
4:30 pm - 11:50 pm
IND
-
STL
8h 20m
2 stops
$238Southwest
Tue, Aug 4 - Fri, Aug 7
Frontier Logo
7:03 pm - 9:48 am
STL
-
IND
13h 45m
2 stops
Frontier Logo
12:20 pm - 8:57 am
IND
-
STL
21h 37m
1 stop
$240Frontier
Wed, Aug 5 - Wed, Aug 12
Frontier Logo
4:09 pm - 10:03 am
STL
-
IND
16h 54m
1 stop
Frontier Logo
7:10 pm - 11:59 pm
IND
-
STL
29h 49m
1 stop
$254Frontier
Sat, Aug 8 - Mon, Aug 10
Southwest Logo
6:50 am - 5:10 pm
STL
-
IND
9h 20m
2 stops
Southwest Logo
9:10 am - 3:10 pm
IND
-
STL
7h 00m
2 stops
$256Southwest
Wed, Aug 5 - Wed, Aug 12
Frontier Logo
4:09 pm - 10:03 am
STL
-
IND
16h 54m
1 stop
Frontier Logo
7:10 pm - 5:37 pm
IND
-
STL
23h 27m
2 stops
$257Frontier
Tue, Sep 8 - Thu, Sep 10
American Airlines Logo
6:00 am - 11:32 am
STL
-
IND
4h 32m
1 stop
American Airlines Logo
10:32 am - 1:16 pm
IND
-
STL
3h 44m
1 stop
$259American Airlines
Booking Insights

KAYAK's insights & trends for St. Louis to Indianapolis flights

Get data-powered insights and trends into flights from St. Louis to Indianapolis to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from St. Louis to Indianapolis?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Indianapolis departing in August.

What is the cheapest month to fly from St. Louis to Indianapolis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Indianapolis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Indianapolis is May, where tickets cost $0 (return) on average. On the other hand, the most expensive months are March and January, where the average cost of round-trip tickets is $777 and $685 respectively.

Good to know

Low seasonAugust
Cheapest flight$76
Best time to beat the crowds with an average 49% drop in price.
Most popular time to fly and prices are also 26% lower on average.
Flight from St. Louis to Indianapolis

When to book flights from St. Louis to Indianapolis

Are your dates flexible? Find out the best times to travel from St. Louis to Indianapolis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Indianapolis

  • What is the cheapest flight from St. Louis to Indianapolis?

    In the last 5 days, the lowest price for a flight from St. Louis to Indianapolis was $76 for a one-way ticket and $170 for a round-trip.

  • Do I need a passport to fly between St. Louis and Indianapolis?

    No

  • Which airports will I be using when flying from St. Louis to Indianapolis?

    When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Indianapolis, also known as Indianapolis.

  • Which aircraft models fly most regularly from St. Louis to Indianapolis?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the St. Louis to Indianapolis flight route.

  • How does KAYAK find such low prices on flights from St. Louis to Indianapolis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Indianapolis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Indianapolis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Indianapolis from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Indianapolis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Indianapolis with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and IND can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Indianapolis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Indianapolis from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Indianapolis

Information on your arrival and departure airports

Compare transportation modes for St. Louis to Indianapolis

Transportation modeAverage priceAverage duration
Flights$5843h 43m
Buses$654h 25m