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Cheap flights from Indianapolis to St. Louis from $105

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.
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
$244Frontier
Fri, Oct 30 - Sun, Nov 1
Southwest Logo
6:00 am - 12:00 pmIND  Indianapolis-STL Lambert-St Louis
7h 00m1 stop Tampa
Southwest Logo
6:35 am - 3:15 pmSTL  Lambert-St Louis-IND Indianapolis
7h 40m1 stop Denver Intl
$257Southwest
Wed, Nov 11 - Sat, Nov 14
Southwest Logo
7:30 pm - 12:35 amIND  Indianapolis-STL Lambert-St Louis
6h 05m1 stop Orlando
Southwest Logo
6:10 pm - 12:15 amSTL  Lambert-St Louis-IND Indianapolis
5h 05m1 stop Chicago Midway
$257Southwest
Thu, Oct 15 - Mon, Oct 19
Southwest Logo
4:55 pm - 10:05 pmIND  Indianapolis-STL Lambert-St Louis
6h 10m1 stop Chicago Midway
Southwest Logo
1:45 pm - 9:55 pmSTL  Lambert-St Louis-IND Indianapolis
7h 10m1 stop Houston Hobby
$257Southwest
Wed, Oct 7 - Wed, Oct 14
Southwest Logo
7:20 am - 2:10 pmIND  Indianapolis-STL Lambert-St Louis
7h 50m1 stop Denver Intl
Southwest Logo
3:45 pm - 9:45 pmSTL  Lambert-St Louis-IND Indianapolis
5h 00m1 stop Chicago Midway
$257Southwest
Sat, Jan 30 - Tue, Feb 2
Southwest Logo
6:30 am - 1:10 pmIND  Indianapolis-STL Lambert-St Louis
7h 40m2 stops Chicago Midway Milwaukee-Mitchell
Southwest Logo
6:35 am - 3:35 pmSTL  Lambert-St Louis-IND Indianapolis
8h 00m1 stop Denver Intl
$262Southwest
Sat, Jan 30 - Tue, Feb 2
Southwest Logo
2:10 pm - 7:25 pmIND  Indianapolis-STL Lambert-St Louis
6h 15m2 stops Baltimore/Washington Pittsburgh
Southwest Logo
6:35 am - 3:15 pmSTL  Lambert-St Louis-IND Indianapolis
7h 40m1 stop Denver Intl
$262Southwest
Wed, Nov 11 - Sat, Nov 14
Southwest Logo
6:30 am - 1:10 pmIND  Indianapolis-STL Lambert-St Louis
7h 40m2 stops Chicago Midway Milwaukee-Mitchell
Southwest Logo
11:30 am - 8:25 pmSTL  Lambert-St Louis-IND Indianapolis
7h 55m2 stops Chicago Midway Nashville Intl
$267Southwest
Sat, Jan 30 - Tue, Feb 2
United Airlines Logo
9:10 am - 12:10 pmIND  Indianapolis-STL Lambert-St Louis
4h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 pm - 11:56 pmSTL  Lambert-St Louis-IND Indianapolis
4h 06m1 stop Chicago O'Hare Intl
$319United Airlines
Fri, Nov 13 - Fri, Nov 13
United Airlines Logo
12:46 pm - 6:09 pmIND  Indianapolis-STL Lambert-St Louis
6h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
8:30 am - 3:00 pmSTL  Lambert-St Louis-IND Indianapolis
5h 30m1 stop Chicago O'Hare Intl
$343United Airlines
Thu, Oct 29 - Fri, Oct 30

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United Airlines flights from Indianapolis to St. Louis

Our best United Airlines deals on Indianapolis to St. Louis flight tickets
United Airlines
Oct 29
IND12:46 pmIndianapolis
6h 23m
1 stop
STL6:09 pmLambert-St Louis
Oct 30
STL8:30 amLambert-St Louis
5h 30m
1 stop
IND3:00 pmIndianapolis
$343
United Airlines
Oct 29
IND12:46 pmIndianapolis
6h 23m
1 stop
STL6:09 pmLambert-St Louis
Oct 30
STL8:30 amLambert-St Louis
5h 30m
1 stop
IND3:00 pmIndianapolis
$389
United Airlines
Sep 22
IND11:38 amIndianapolis
3h 37m
1 stop
STL2:15 pmLambert-St Louis
Sep 26
STL11:35 amLambert-St Louis
5h 14m
1 stop
IND5:49 pmIndianapolis
$537

Frontier flights from Indianapolis to St. Louis

Our best Frontier deals on Indianapolis to St. Louis flight tickets
Frontier
Oct 30
IND11:25 amIndianapolis
12h 51m
1 stop
STL11:16 pmLambert-St Louis
Nov 1
STL12:14 pmLambert-St Louis
6h 48m
1 stop
IND8:02 pmIndianapolis
$244
Frontier
Oct 30
IND11:25 amIndianapolis
12h 51m
1 stop
STL11:16 pmLambert-St Louis
Nov 1
STL12:14 pmLambert-St Louis
6h 48m
1 stop
IND8:02 pmIndianapolis
$248
Frontier
Oct 7
IND4:12 pmIndianapolis
8h 47m
1 stop
STL11:59 pmLambert-St Louis
Oct 14
STL6:35 pmLambert-St Louis
25h 52m
2 stops
IND9:27 pmIndianapolis
$274

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Fri 10/30

11:25 am-11:16 pm

1 stop12h 51m

Lambert-St Louis

Sun 11/1

12:14 pm-8:02 pm

1 stop6h 48m

$244

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 11/11

6:00 am-12:00 pm

1 stop7h 00m

Lambert-St Louis

Sat 11/14

6:35 am-3:15 pm

1 stop7h 40m

$257

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Thu 10/15

7:30 pm-12:35 am

1 stop6h 05m

Lambert-St Louis

Mon 10/19

6:10 pm-12:15 am

1 stop5h 05m

$257

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 10/7

4:55 pm-10:05 pm

1 stop6h 10m

Lambert-St Louis

Wed 10/14

1:45 pm-9:55 pm

1 stop7h 10m

$257

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Sat 1/30

7:20 am-2:10 pm

1 stop7h 50m

Lambert-St Louis

Tue 2/2

3:45 pm-9:45 pm

1 stop5h 00m

$257

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Sat 1/30

6:30 am-1:10 pm

2 stops7h 40m

Lambert-St Louis

Tue 2/2

6:35 am-3:35 pm

1 stop8h 00m

$262

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 11/11

2:10 pm-7:25 pm

2 stops6h 15m

Lambert-St Louis

Sat 11/14

6:35 am-3:15 pm

1 stop7h 40m

$262

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Sat 1/30

6:30 am-1:10 pm

2 stops7h 40m

Lambert-St Louis

Tue 2/2

11:30 am-8:25 pm

2 stops7h 55m

$267
Quickest round-trip

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Fri 11/13

9:10 am-12:10 pm

1 stop4h 00m

Lambert-St Louis

Fri 11/13

6:50 pm-11:56 pm

1 stop4h 06m

$319

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Thu 10/29

12:46 pm-6:09 pm

1 stop6h 23m

Lambert-St Louis

Fri 10/30

8:30 am-3:00 pm

1 stop5h 30m

$343

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

$105

Fastest flight time

3h 46m

Direct flights

None
The best one-way flight to St. Louis from Indianapolis in the past 72 hours is $105. The best round-trip flight deal from Indianapolis to St. Louis found on momondo in the last 72 hours is $244.
The fastest flight from Indianapolis to St. Louis takes 3h 46m
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 46m 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
10,194 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
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Hermann
O'Fallon
Clayton
Farmington
Fenton
Festus
Wentzville
Edwardsville
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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