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Cheap flights from Indianapolis to St. Louis from $101

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Indianapolis to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 11:13 pmIND  Indianapolis-STL Lambert-St Louis
18h 13m1 stop Orlando Sanford Intl
Multiple Airlines Logo
6:44 pm - 1:02 pmSTL  Lambert-St Louis-IND Indianapolis
17h 18m1 stop Atlanta Hartsfield-Jackson
$196Multiple Airlines
Mon, Oct 26 - Fri, Oct 30
Frontier Logo
1:47 pm - 11:16 pmIND  Indianapolis-STL Lambert-St Louis
34h 29m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
6:44 pm - 3:08 pmSTL  Lambert-St Louis-IND Indianapolis
19h 24m2 stops Atlanta Hartsfield-Jackson Denver Intl
$197Frontier
Sat, Nov 14 - Mon, Nov 16
Delta Logo
6:41 am - 9:49 amIND  Indianapolis-STL Lambert-St Louis
4h 08m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:05 pm - 12:05 amSTL  Lambert-St Louis-IND Indianapolis
5h 00m1 stop Detroit Metropolitan Wayne County
$227Delta
Wed, Oct 14 - Wed, Oct 21
Southwest Logo
7:15 pm - 9:45 pmIND  Indianapolis-STL Lambert-St Louis
3h 30m1 stop Nashville Intl
Southwest Logo
8:35 am - 3:35 pmSTL  Lambert-St Louis-IND Indianapolis
6h 00m1 stop Denver Intl
$228Southwest
Tue, Jan 26 - Wed, Feb 3
Frontier Logo
11:25 am - 11:16 pmIND  Indianapolis-STL Lambert-St Louis
12h 51m1 stop Orlando
Frontier Logo
12:14 pm - 8:02 pmSTL  Lambert-St Louis-IND Indianapolis
6h 48m1 stop Dallas/Fort Worth
$231Frontier
Sat, Oct 31 - Sun, Nov 8
Southwest Logo
8:50 am - 1:50 pmIND  Indianapolis-STL Lambert-St Louis
6h 00m2 stops Chicago Midway Nashville Intl
Southwest Logo
4:05 pm - 8:25 pmSTL  Lambert-St Louis-IND Indianapolis
3h 20m1 stop Nashville Intl
$233Southwest
Tue, Jan 26 - Wed, Feb 3
Frontier Logo
11:25 am - 11:16 pmIND  Indianapolis-STL Lambert-St Louis
12h 51m1 stop Orlando
Frontier Logo
12:14 pm - 8:02 pmSTL  Lambert-St Louis-IND Indianapolis
6h 48m1 stop Dallas/Fort Worth
$233Frontier
Thu, Nov 5 - Sun, Nov 8
Multiple Airlines Logo
6:00 am - 5:40 pmIND  Indianapolis-STL Lambert-St Louis
12h 40m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:44 pm - 1:02 pmSTL  Lambert-St Louis-IND Indianapolis
17h 18m1 stop Atlanta Hartsfield-Jackson
$242Multiple Airlines
Mon, Oct 26 - Fri, Oct 30
United Airlines Logo
4:55 pm - 7:41 pmIND  Indianapolis-STL Lambert-St Louis
3h 46m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 12:42 pmSTL  Lambert-St Louis-IND Indianapolis
5h 42m1 stop Chicago O'Hare Intl
$273United Airlines
Sat, Oct 17 - Sat, Oct 24
United Airlines Logo
8:10 am - 12:13 pmIND  Indianapolis-STL Lambert-St Louis
5h 03m1 stop Chicago O'Hare Intl
United Airlines Logo
8:00 am - 12:42 pmSTL  Lambert-St Louis-IND Indianapolis
3h 42m1 stop Chicago O'Hare Intl
$309United Airlines
Fri, Oct 16 - Fri, Oct 23

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Frontier flights from Indianapolis to St. Louis

Our best Frontier deals on Indianapolis to St. Louis flight tickets
Frontier
Nov 14
IND1:47 pmIndianapolis
34h 29m
2 stops
STL11:16 pmLambert-St Louis
Nov 16
STL6:44 pmLambert-St Louis
19h 24m
2 stops
IND3:08 pmIndianapolis
$197
Frontier
Oct 31
IND11:25 amIndianapolis
12h 51m
1 stop
STL11:16 pmLambert-St Louis
Nov 8
STL12:14 pmLambert-St Louis
6h 48m
1 stop
IND8:02 pmIndianapolis
$231
Frontier
Nov 5
IND11:25 amIndianapolis
12h 51m
1 stop
STL11:16 pmLambert-St Louis
Nov 8
STL12:14 pmLambert-St Louis
6h 48m
1 stop
IND8:02 pmIndianapolis
$233

Southwest flights from Indianapolis to St. Louis

Our best Southwest deals on Indianapolis to St. Louis flight tickets
Southwest
Jan 26
IND7:15 pmIndianapolis
3h 30m
1 stop
STL9:45 pmLambert-St Louis
Feb 3
STL8:35 amLambert-St Louis
6h 00m
1 stop
IND3:35 pmIndianapolis
$228
Southwest
Oct 15
IND6:45 pmIndianapolis
6h 05m
1 stop
STL11:50 pmLambert-St Louis
Oct 22
STL5:40 pmLambert-St Louis
6h 05m
1 stop
IND12:45 amIndianapolis
$257
Southwest
Oct 27
IND4:55 pmIndianapolis
6h 10m
1 stop
STL10:05 pmLambert-St Louis
Oct 29
STL4:30 pmLambert-St Louis
7h 15m
2 stops
IND12:45 amIndianapolis
$278

momondo Fare Finder

 
Use the filters below to find and compare flights from Indianapolis to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Mon 10/26

6:00 am-11:13 pm

1 stop18h 13m

Lambert-St Louis

Fri 10/30

6:44 pm-1:02 pm

1 stop17h 18m

$196

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Sat 11/14

1:47 pm-11:16 pm

2 stops34h 29m

Lambert-St Louis

Mon 11/16

6:44 pm-3:08 pm

2 stops19h 24m

$197

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 10/14

6:41 am-9:49 am

1 stop4h 08m

Lambert-St Louis

Wed 10/21

6:05 pm-12:05 am

1 stop5h 00m

$227

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Tue 1/26

7:15 pm-9:45 pm

1 stop3h 30m

Lambert-St Louis

Wed 2/3

8:35 am-3:35 pm

1 stop6h 00m

$228

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Sat 10/31

11:25 am-11:16 pm

1 stop12h 51m

Lambert-St Louis

Sun 11/8

12:14 pm-8:02 pm

1 stop6h 48m

$231

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Tue 1/26

8:50 am-1:50 pm

2 stops6h 00m

Lambert-St Louis

Wed 2/3

4:05 pm-8:25 pm

1 stop3h 20m

$233

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Thu 11/5

11:25 am-11:16 pm

1 stop12h 51m

Lambert-St Louis

Sun 11/8

12:14 pm-8:02 pm

1 stop6h 48m

$233

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Mon 10/26

6:00 am-5:40 pm

2 stops12h 40m

Lambert-St Louis

Fri 10/30

6:44 pm-1:02 pm

1 stop17h 18m

$242

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Sat 10/17

4:55 pm-7:41 pm

1 stop3h 46m

Lambert-St Louis

Sat 10/24

6:00 am-12:42 pm

1 stop5h 42m

$273
Quickest round-trip

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Fri 10/16

8:10 am-12:13 pm

1 stop5h 03m

Lambert-St Louis

Fri 10/23

8:00 am-12:42 pm

1 stop3h 42m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, October 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 $0. The month of January is another great option to travel to St. Louis, with average flight prices from Indianapolis averaging around $265.

What is the cheapest Indianapolis to Lambert-St Louis flight route?

Fly from Indianapolis to Lambert-St Louis for the best Indianapolis - Lambert-St Louis flight prices

What cabin class options are available on Indianapolis to St. Louis flights?

There is only 1 cabin class available to choose from on Indianapolis to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

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

$101

Fastest flight time

3h 53m

Direct flights

None
The best one-way flight to St. Louis from Indianapolis in the past 72 hours is $101. The best round-trip flight deal from Indianapolis to St. Louis found on momondo in the last 72 hours is $196.
The fastest flight from Indianapolis to St. Louis takes 3h 53m
There are no direct flights from Indianapolis to St. Louis. There are no popular flight routes from Indianapolis to St. Louis.
Search flight deals

Frequently asked questions about flying from Indianapolis to St. Louis

  • 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 53m 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 plane model from Indianapolis to St. Louis?

  • 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 $265Free CancellationRating
7.4
10,220 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
St. Peters
Maryland Heights
Alton
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Fenton
Festus
Edwardsville
Wentzville
Eureka
Litchfield
Grafton
Waterloo

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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