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Cheap flights from St. Louis to Indianapolis from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Indianapolis departing on 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Indianapolis

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Indianapolis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Indianapolis.

Cheap last minute flights

Planning a quick getaway from St. Louis to Indianapolis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Indianapolis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Indianapolis

Find recent round-trip train or bus tickets from St. Louis to Indianapolis.

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

The cheapest plane tickets from St. Louis to Indianapolis found on KAYAK recently.
11:30 am - 6:10 pmSTL-IND
5h 40m1 stop
12:40 pm - 3:38 pmIND-STL
3h 58m1 stop
$237United Airlines
Find Deal
Tue, Feb 11 - Wed, Feb 12
1:40 pm - 10:00 pmSTL-IND
7h 20m1 stop
9:40 am - 4:55 pmIND-STL
8h 15m2 stops
$242Southwest
Find Deal
Tue, Feb 11 - Wed, Feb 12
6:00 am - 12:55 pmSTL-IND
5h 55m1 stop
6:00 am - 9:10 amIND-STL
4h 10m1 stop
$267Delta
Find Deal
Thu, Mar 6 - Sun, Mar 9
3:48 pm - 11:52 pmSTL-IND
7h 04m1 stop
8:40 pm - 11:45 amIND-STL
40h 05m3 stops
Tue, Feb 11 - Wed, Feb 12
6:00 am - 11:40 amSTL-IND
4h 40m1 stop
6:20 am - 9:36 amIND-STL
4h 16m1 stop
$277Delta
Find Deal
Thu, Feb 13 - Sun, Feb 16
4:28 pm - 10:29 amSTL-IND
17h 01m1 stop
5:32 pm - 2:43 pmIND-STL
22h 11m2 stops
$280Spirit Airlines
Find Deal
Thu, Feb 6 - Mon, Feb 10
5:20 am - 5:10 pmSTL-IND
10h 50m2 stops
1:10 pm - 7:20 pmIND-STL
7h 10m1 stop
$282Southwest
Find Deal
Thu, Feb 13 - Sun, Feb 16
4:28 pm - 10:29 amSTL-IND
17h 01m1 stop
5:32 pm - 2:43 pmIND-STL
22h 11m3 stops
$293Spirit Airlines
Find Deal
Thu, Feb 6 - Mon, Feb 10
3:48 pm - 12:00 pmSTL-IND
19h 12m2 stops
8:40 pm - 11:45 amIND-STL
40h 05m3 stops
Tue, Feb 11 - Wed, Feb 12
5:23 am - 11:30 amSTL-IND
5h 07m1 stop
6:41 am - 9:52 amIND-STL
4h 11m1 stop
$577American Airlines
Find Deal
Mon, Feb 10 - Mon, Feb 17
5:33 pm - 11:17 pmSTL-IND
4h 44m1 stop
$119United Airlines
Find Deal
Mon, Mar 24
5:45 am - 10:11 amSTL-IND
3h 26m1 stop
$134American Airlines
Find Deal
Mon, Feb 17
3:48 pm - 11:52 pmSTL-IND
7h 04m1 stop
$142Spirit Airlines
Find Deal
Tue, Jan 28
3:48 pm - 4:15 pmSTL-IND
23h 27m2 stops
$148Spirit Airlines
Find Deal
Tue, Jan 28
6:00 am - 10:50 amSTL-IND
3h 50m1 stop
$149Delta
Find Deal
Fri, Feb 21
3:35 pm - 11:36 pmSTL-IND
7h 01m1 stop
$150Delta
Find Deal
Mon, Feb 17
3:48 pm - 9:24 pmSTL-IND
28h 36m3 stops
$183Spirit Airlines
Find Deal
Tue, Jan 28
5:15 pm - 4:30 amSTL-IND
34h 15m3 stops
Mon, Mar 24
8:00 pm - 7:08 pmSTL-IND
22h 08m2 stops
Fri, Feb 21
3:40 pm - 12:50 amSTL-IND
8h 10m2 stops
$434Southwest
Find Deal
Mon, Feb 17
6:00 am - 10:50 amSTL-IND
3h 50m1 stop
6:00 am - 11:47 amIND-STL
6h 47m1 stop
$635Delta
Find Deal
Fri, Jan 24 - Sun, Jan 26
9:50 am - 11:52 pmSTL-IND
13h 02m3 stops
6:52 am - 2:43 pmIND-STL
8h 51m1 stop
Fri, Jan 24 - Sun, Jan 26
7:00 am - 5:12 pmSTL-IND
9h 12m2 stops
6:01 pm - 11:30 pmIND-STL
6h 29m1 stop
$828United Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26
9:50 am - 11:52 pmSTL-IND
13h 02m3 stops
1:59 pm - 4:45 pmIND-STL
27h 46m3 stops
Fri, Jan 24 - Sun, Jan 26

United Airlines flights from St. Louis to Indianapolis

Our best United Airlines deals on St. Louis to Indianapolis flight tickets
United Airlines
Feb 11
STL11:30 amLambert-St Louis
5h 40m
1 stop
IND6:10 pmIndianapolis
Feb 12
IND12:40 pmIndianapolis
3h 58m
1 stop
STL3:38 pmLambert-St Louis
United Airlines
Feb 5
STL11:30 amLambert-St Louis
4h 20m
1 stop
IND4:50 pmIndianapolis
Feb 9
IND7:30 amIndianapolis
4h 24m
1 stop
STL10:54 amLambert-St Louis
United Airlines
Feb 6
STL11:30 amLambert-St Louis
4h 32m
1 stop
IND5:02 pmIndianapolis
Feb 10
IND5:45 pmIndianapolis
5h 00m
1 stop
STL9:45 pmLambert-St Louis

Southwest flights from St. Louis to Indianapolis

Our best Southwest deals on St. Louis to Indianapolis flight tickets
Southwest
Feb 11
STL1:40 pmLambert-St Louis
7h 20m
1 stop
IND10:00 pmIndianapolis
Feb 12
IND9:40 amIndianapolis
8h 15m
2 stops
STL4:55 pmLambert-St Louis
Southwest
Feb 13
STL5:20 amLambert-St Louis
10h 50m
2 stops
IND5:10 pmIndianapolis
Feb 16
IND1:10 pmIndianapolis
7h 10m
1 stop
STL7:20 pmLambert-St Louis
Southwest
Jun 28
STL3:20 pmLambert-St Louis
7h 15m
2 stops
IND11:35 pmIndianapolis
Jul 7
IND7:35 pmIndianapolis
4h 45m
1 stop
STL11:20 pmLambert-St Louis

See travel insights to Indianapolis from

How to get the cheapest flight ticket from St. Louis to Indianapolis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Indianapolis?

Our data shows that Thursday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $1,178. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Indianapolis on Friday is $1,331.

What is the cheapest time of day to depart on your flight to Indianapolis?

Flying to Indianapolis from St. Louis at noon is the least expensive time of day to depart. momondo users have found prices as low as $256 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,297 on average. Flights to Indianapolis from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have St. Louis to Indianapolis flight prices changed over time?

As of January 2025, prices for St. Louis to Indianapolis flights are approximately 142% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Indianapolis

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Indianapolis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Indianapolis (STL to IND) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Indianapolis

Best Price Found

$119

Fastest flight time

3h 26m

Direct flights

None

Airports in Indianapolis

1 airport
The best one-way flight to Indianapolis from St. Louis in the past 72 hours is $119. The best round-trip flight deal from St. Louis to Indianapolis found on momondo in the last 72 hours is $237.
The fastest flight from St. Louis to Indianapolis takes 3h 26m
There are no direct flights from St. Louis to Indianapolis. Popular non-direct route for this connection is Lambert-St Louis Airport - Indianapolis Airport.
There is 1 airport near Indianapolis: Indianapolis (IND)

  • How far is Lambert-St Louis to Indianapolis by plane?

    A flight from Lambert-St Louis to Indianapolis will travel around 230.0 mi. Flights usually cover this in 4h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Indianapolis Airport?

    Prices for flights from Lambert-St Louis Airport to Indianapolis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Indianapolis Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Indianapolis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Indianapolis Airport.

  • What documentation or ID do you need to fly to Indianapolis Airport?

    The travel and health documents required for your trip to Indianapolis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Indianapolis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Indianapolis?


Best airlines flying from St. Louis to Indianapolis

Compare and see reviews for airlines that fly from St. Louis to Indianapolis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $204Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
8.0
8,514 reviews
Search Delta flights

Traveling to a place near Indianapolis?

Book flights to Indianapolis if you plan to visit one of these locations
Bloomington
Terre Haute
Anderson
Muncie
Kokomo
Greenwood
Noblesville
Plainfield
Carmel
Fishers
West Lafayette
Seymour
Franklin
Greenfield
Shelbyville
Speedway
Westfield
Crawfordsville
Brownsburg
Mooresville

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Indianapolis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Indianapolis for you.

Can I find flights from St. Louis to Indianapolis with flexible booking policies on momondo?

Flights from St. Louis to Indianapolis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Indianapolis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Indianapolis from St. Louis.

I’m not ready to book a flight from St. Louis to Indianapolis right now. Can momondo alert me if prices change?

Price alerts on flights to Indianapolis from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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