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Cheap flights from Indianapolis to St. Louis from $147

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to St. Louis departing on 12/16. 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 Indianapolis to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Indianapolis to St. Louis 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 Indianapolis to St. Louis.

Cheap last minute flights

Planning a quick getaway from Indianapolis to St. Louis? 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 St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Indianapolis to St. Louis

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

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
6:42 am - 9:45 amIND-STL
4h 03m1 stop
5:05 am - 11:30 amSTL-IND
5h 25m1 stop
$234American Airlines
Find Deal
Fri, Dec 13 - Mon, Dec 16
6:45 am - 10:40 amIND-STL
4h 55m1 stop
6:29 am - 11:19 amSTL-IND
3h 50m1 stop
$265Delta
Find Deal
Wed, Dec 18 - Fri, Dec 27
7:05 am - 1:15 pmIND-STL
7h 10m2 stops
5:45 am - 12:35 pmSTL-IND
5h 50m1 stop
$270Southwest
Find Deal
Fri, Feb 14 - Sun, Feb 16
4:49 pm - 7:57 pmIND-STL
4h 08m1 stop
5:00 am - 12:48 pmSTL-IND
6h 48m1 stop
$296United Airlines
Find Deal
Thu, Dec 26 - Sun, Dec 29
3:45 pm - 7:30 pmIND-STL
4h 45m1 stop
5:05 am - 1:15 pmSTL-IND
7h 10m1 stop
$305American Airlines
Find Deal
Tue, Dec 10 - Sat, Dec 14
10:05 am - 4:15 pmIND-STL
7h 10m2 stops
5:10 am - 11:25 amSTL-IND
5h 15m1 stop
$361Southwest
Find Deal
Wed, Dec 18 - Thu, Dec 26
6:05 am - 9:43 amIND-STL
4h 38m1 stop
3:30 pm - 11:07 pmSTL-IND
6h 37m1 stop
$366Delta
Find Deal
Sun, Mar 30 - Fri, Apr 4
6:05 am - 9:36 amIND-STL
4h 31m1 stop
5:57 pm - 11:29 pmSTL-IND
4h 32m1 stop
$376Delta
Find Deal
Thu, Dec 5 - Mon, Dec 9
7:30 am - 10:27 amIND-STL
3h 57m1 stop
5:40 pm - 11:14 pmSTL-IND
4h 34m1 stop
$436United Airlines
Find Deal
Thu, Dec 5 - Mon, Dec 9
11:28 am - 3:21 pmIND-STL
28h 53m3 stops
4:27 pm - 11:48 amSTL-IND
18h 21m2 stops
$684Spirit Airlines
Find Deal
Wed, Dec 18 - Thu, Dec 26
5:55 am - 10:59 amIND-STL
6h 04m1 stop
$147United Airlines
Find Deal
Mon, Dec 16
6:35 am - 9:36 amIND-STL
4h 01m1 stop
$148American Airlines
Find Deal
Fri, Dec 27
6:30 pm - 9:57 pmIND-STL
4h 27m1 stop
$263American Airlines
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Tue, Dec 3
10:05 am - 4:15 pmIND-STL
7h 10m2 stops
$268Southwest
Find Deal
Tue, Dec 3
5:25 am - 11:00 amIND-STL
6h 35m1 stop
$283Southwest
Find Deal
Sun, Dec 1
10:19 pm - 7:55 pmIND-STL
46h 36m3 stops
Tue, Dec 3
7:48 pm - 5:02 pmIND-STL
22h 14m2 stops
Fri, Dec 27
5:55 am - 3:34 pmIND-STL
10h 39m2 stops
$344United Airlines
Find Deal
Mon, Dec 16
11:28 am - 5:02 pmIND-STL
30h 34m3 stops
$372Spirit Airlines
Find Deal
Fri, Dec 27
1:55 pm - 10:06 pmIND-STL
9h 11m2 stops
$474Delta
Find Deal
Sat, Dec 28

American Airlines flights from Indianapolis to St. Louis

Our best American Airlines deals on Indianapolis to St. Louis flight tickets
American Airlines
Dec 13
IND6:42 amIndianapolis
4h 03m
1 stop
STL9:45 amLambert-St Louis
Dec 16
STL5:05 amLambert-St Louis
5h 25m
1 stop
IND11:30 amIndianapolis
American Airlines
Dec 10
IND3:45 pmIndianapolis
4h 45m
1 stop
STL7:30 pmLambert-St Louis
Dec 14
STL5:05 amLambert-St Louis
7h 10m
1 stop
IND1:15 pmIndianapolis
American Airlines
Nov 28
IND6:44 amIndianapolis
5h 12m
1 stop
STL10:56 amLambert-St Louis
Dec 1
STL5:45 amLambert-St Louis
5h 29m
1 stop
IND12:14 pmIndianapolis

Delta flights from Indianapolis to St. Louis

Our best Delta deals on Indianapolis to St. Louis flight tickets
Delta
Dec 18
IND6:45 amIndianapolis
4h 55m
1 stop
STL10:40 amLambert-St Louis
Dec 27
STL6:29 amLambert-St Louis
3h 50m
1 stop
IND11:19 amIndianapolis
Delta
Mar 30
IND6:05 amIndianapolis
4h 38m
1 stop
STL9:43 amLambert-St Louis
Apr 4
STL3:30 pmLambert-St Louis
6h 37m
1 stop
IND11:07 pmIndianapolis
Delta
Dec 5
IND6:05 amIndianapolis
4h 31m
1 stop
STL9:36 amLambert-St Louis
Dec 9
STL5:57 pmLambert-St Louis
4h 32m
1 stop
IND11:29 pmIndianapolis

See travel insights to St. Louis from

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

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 month to fly to St. Louis?

In general, January is the cheapest month to fly from Indianapolis to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $263. The month of May is another great option to travel to St. Louis, with average flight prices from Indianapolis averaging around $275.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $265. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $388. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Indianapolis in the evening is the least expensive time of day to depart. momondo users have found prices as low as $291 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $345 per ticket.

Can stopping save me money on Indianapolis to St. Louis flights?

You could potentially save up to 45% on your flight if you consider stops on a Indianapolis to St. Louis flight.

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

As of November 2024, prices for Indianapolis to St. Louis flights are approximately 35% cheaper when compared to flights at the same time last year.

When to book flights from Indianapolis to St. Louis

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

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

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

Best Price Found

$147

Fastest flight time

3h 36m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Indianapolis in the past 72 hours is $147. The best round-trip flight deal from Indianapolis to St. Louis found on momondo in the last 72 hours is $234.
The fastest flight from Indianapolis to St. Louis takes 3h 36m
There are no direct flights from Indianapolis to St. Louis. Popular non-direct route for this connection is Indianapolis Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    The distance between Indianapolis and Lambert-St Louis is about 230.0 mi. Typically, this will take 3h 36m by plane in normal conditions.

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

    Prices for flights from Indianapolis Airport to Lambert-St Louis Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Indianapolis Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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


Best airlines flying from Indianapolis to St. Louis

Compare and see reviews for airlines that fly from Indianapolis to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $164Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
American AirlinesPriceFrom $221Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $226Free CancellationRating
8.0
8,755 reviews
Search Delta flights

Why use momondo?

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

It is quick and easy to find Indianapolis to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Indianapolis with this policy.

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

momondo helps you find the best flight between Indianapolis and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Indianapolis to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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