STL - IND

$63 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 4/29. 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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Everything you should know

Cheapest round-trip
$180
Typical prices: $545-$469
Frontier
Fri 4/24Sun 4/26
STL - IND • 1 stop
Cheapest one-way
$63
Typical prices: $233-$298
Frontier
Wed 4/29
STL - IND • 1 stop
Top airlines
Frontier
Cheapest • from $180 (round-trip)
American Airlines
Best reviews • 7.1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between St. Louis and Indianapolis. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Charlotte (CLT)
Cheapest • Avg $316 (round-trip)
Detroit (DTW)
Shortest trip • 3h 26m (one-way)
Insights
Insights
Insights
Insights
When to travel
August
Cheapest • 48% price drop
June
Most popular
Good to know
Good to know
+1
+1
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

Fri, Apr 24 - Sun, Apr 26
Frontier Logo
8:39 am - 3:22 pm
STL
-
IND
5h 43m
1 stop
Frontier Logo
1:20 pm - 11:19 pm
IND
-
STL
10h 59m
1 stop
$180Frontier
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
6:55 pm - 11:23 am
STL
-
IND
15h 28m
1 stop
Multiple Airlines Logo
6:10 am - 12:21 am
IND
-
STL
19h 11m
1 stop
$196Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
6:55 pm - 11:23 am
STL
-
IND
15h 28m
1 stop
Multiple Airlines Logo
6:10 am - 4:54 pm
IND
-
STL
11h 44m
2 stops
$213Multiple Airlines
Mon, Apr 20 - Fri, Apr 24
Frontier Logo
8:17 pm - 11:11 am
STL
-
IND
13h 54m
2 stops
Frontier Logo
12:34 pm - 6:50 am
IND
-
STL
19h 16m
1 stop
$226Frontier
Wed, Apr 22 - Sun, Apr 26
Frontier Logo
4:59 pm - 7:38 am
STL
-
IND
13h 39m
1 stop
Frontier Logo
1:20 pm - 2:36 pm
IND
-
STL
26h 16m
2 stops
$246Frontier
Mon, Apr 27 - Wed, Apr 29
Multiple Airlines Logo
4:59 pm - 11:11 am
STL
-
IND
17h 12m
1 stop
Multiple Airlines Logo
8:00 am - 11:19 pm
IND
-
STL
16h 19m
1 stop
$250Multiple Airlines
Sun, May 10 - Tue, May 12
Multiple Airlines Logo
6:55 pm - 11:23 am
STL
-
IND
15h 28m
1 stop
Multiple Airlines Logo
6:10 am - 8:55 am
IND
-
STL
27h 45m
2 stops
$259Multiple Airlines
Mon, Apr 27 - Wed, Apr 29
Multiple Airlines Logo
4:59 pm - 11:11 am
STL
-
IND
17h 12m
1 stop
Multiple Airlines Logo
8:00 am - 10:26 am
IND
-
STL
27h 26m
2 stops
$261Multiple Airlines
Wed, Apr 22 - Sat, Apr 25
Multiple Airlines Logo
4:59 pm - 7:38 am
STL
-
IND
13h 39m
1 stop
Multiple Airlines Logo
6:37 pm - 10:49 am
IND
-
STL
17h 12m
2 stops
$268Multiple Airlines
Sat, May 16 - Sat, May 16
Delta Logo
6:45 am - 1:27 pm
STL
-
IND
5h 42m
1 stop
Delta Logo
5:45 pm - 9:09 pm
IND
-
STL
4h 24m
1 stop
$275Delta
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 April.

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 August, where tickets cost $234 (return) on average. On the other hand, the most expensive months are January and November, where the average cost of round-trip tickets is $685 and $684 respectively.

Find deals

Good to know

Low seasonJanuary
Cheapest flight$63
Best time to beat the crowds but there is an average 51% increase in price.
Most popular time to fly with an average 20% increase in price.
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 3 days, the lowest price for a flight from St. Louis to Indianapolis was $63 for a one-way ticket and $180 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.

  • Which airline alliances offer flights from St. Louis to Indianapolis?

    oneworld is the only airline alliance operating flights between St. Louis and Indianapolis.

  • 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.

Reviews of the top airline flying from St. Louis to Indianapolis

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Indianapolis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Indianapolis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
American AirlinesOverall score based on 11564 reviews
7.5Boarding
7.2Comfort
6.8Entertainment
7.9Crew
6.4Food
Airline reviews

I'm not sure American is capable of on-time arrivals and departures. When you land at ORD, you almost always get held on the tarmac because your gate is still occupied. I may have missed my connection, but that ended up up being significantly delayed as well. Once again, I finally got home well after midnight.

2.0 MediocreMark, Apr 2026
PHX - ORD
Read more American Airlines reviews

I'm not sure American is capable of on-time arrivals and departures. When you land at ORD, you almost always get held on the tarmac because your gate is still occupied. I may have missed my connection, but that ended up up being significantly delayed as well. Once again, I finally got home well after midnight.

Same plane as RDU to LGA — internet not working. Pilot issue of some sort at end of prior flight - I was on same plane for my connection. Late/delayed —

Good flight, seated and had a water within 5 minutes. Crew was hospitable.

Message about flight cancelation was received late due to being in the air. No explanation, just canceled and booked on morning flight. We had to stay in the airport overnight because there was no transportation offered to get to the hotel that AA had available. Actual inflight was fine.

I didn't go from Reno to Phoenix I ended up going from Reno to Dallas to Tucson because my flight rebooked because my Amtrak was late I tried notifying you guys I also don't know what you ask me about my flight because you guys didn't book my flight

Delays experienced in boarding/take off due to incoming plane delayed. However, the boarding time/depart time in the app was significantly delayed in providing these updates. Usually not updated until an hour after we should have already boarded. Poorly managed.

Bag drop was very disorganized in Miami. All main cabin passengers were shunted to just a few lanes and they had an equal number of lanes for first class passengers but there was nobody on those lines. They did nothing to bring the main cab and passengers over to the open lines and they just had employees standing there and doing nothing

there are no options s for snack besides cookies would ve nice to have a salty option n

We left at 1030 am pacific from LA and supposed to land at 7 pm Eastern in NY. They made a detour, stopped in Philadelphia and didn’t land till 1130 PM Eastern!!! Worst flight experience with no pilot communication with no explanation as to what was going on. Everyone was very frustrated to say the least.

Going non stop to lax like I paid for. Not stopping in MCI for gas. Too long of delays

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

Information on your arrival and departure airports

St. Louis (STL)
Indianapolis (IND)