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Cheap flights from Indianapolis to St. Louis from $92

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
1:01 pm - 10:53 amIND  Indianapolis-STL Lambert-St Louis
22h 52m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:21 pm - 6:58 pmSTL  Lambert-St Louis-IND Indianapolis
23h 37m1 stop Atlanta Hartsfield-Jackson
$185Frontier
Thu, Dec 17 - Mon, Dec 21
Frontier Logo
10:30 pm - 7:54 amIND  Indianapolis-STL Lambert-St Louis
10h 24m1 stop Dallas/Fort Worth
Frontier Logo
7:58 pm - 5:52 pmSTL  Lambert-St Louis-IND Indianapolis
20h 54m1 stop Denver Intl
$210Frontier
Wed, Nov 25 - Wed, Dec 2
Frontier Logo
10:30 pm - 7:54 amIND  Indianapolis-STL Lambert-St Louis
10h 24m1 stop Dallas/Fort Worth
Frontier Logo
6:13 pm - 10:08 amSTL  Lambert-St Louis-IND Indianapolis
14h 55m1 stop Orlando
$210Frontier
Wed, Nov 25 - Tue, Dec 1
Frontier Logo
1:01 pm - 12:41 amIND  Indianapolis-STL Lambert-St Louis
12h 40m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
6:21 pm - 5:43 pmSTL  Lambert-St Louis-IND Indianapolis
22h 22m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale
$246Frontier
Thu, Dec 17 - Mon, Dec 21
Frontier Logo
4:37 pm - 4:20 pmIND  Indianapolis-STL Lambert-St Louis
24h 43m2 stops Denver Intl Las Vegas Harry Reid Intl
Frontier Logo
7:58 pm - 5:52 pmSTL  Lambert-St Louis-IND Indianapolis
20h 54m1 stop Denver Intl
$251Frontier
Wed, Nov 25 - Wed, Dec 2
Frontier Logo
4:37 pm - 4:20 pmIND  Indianapolis-STL Lambert-St Louis
24h 43m2 stops Denver Intl Las Vegas Harry Reid Intl
Frontier Logo
6:13 pm - 7:07 pmSTL  Lambert-St Louis-IND Indianapolis
23h 54m2 stops Orlando Atlanta Hartsfield-Jackson
$262Frontier
Wed, Nov 25 - Wed, Dec 2
United Airlines Logo
1:39 pm - 4:18 pmIND  Indianapolis-STL Lambert-St Louis
3h 39m1 stop Chicago O'Hare Intl
United Airlines Logo
7:29 am - 12:49 pmSTL  Lambert-St Louis-IND Indianapolis
4h 20m1 stop Chicago O'Hare Intl
$273United Airlines
Wed, Jan 13 - Sat, Jan 23
Southwest Logo
8:55 am - 11:15 amIND  Indianapolis-STL Lambert-St Louis
3h 20m1 stop Chicago Midway
Southwest Logo
4:25 pm - 9:35 pmSTL  Lambert-St Louis-IND Indianapolis
4h 10m1 stop Chicago Midway
$273Southwest
Wed, Jan 13 - Wed, Jan 13
Southwest Logo
7:25 pm - 9:45 pmIND  Indianapolis-STL Lambert-St Louis
3h 20m1 stop Nashville Intl
Southwest Logo
10:15 am - 7:55 pmSTL  Lambert-St Louis-IND Indianapolis
8h 40m2 stops Chicago Midway Nashville Intl
$278Southwest
Wed, Jan 13 - Sat, Jan 23
United Airlines Logo
6:00 am - 10:32 amIND  Indianapolis-STL Lambert-St Louis
5h 32m1 stop Chicago O'Hare Intl
United Airlines Logo
5:00 am - 9:48 amSTL  Lambert-St Louis-IND Indianapolis
3h 48m1 stop Chicago O'Hare Intl
$330United Airlines
Wed, Nov 25 - Sun, Nov 29

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Frontier flights from Indianapolis to St. Louis

Our best Frontier deals on Indianapolis to St. Louis flight tickets
Frontier
Dec 17
IND1:01 pmIndianapolis
22h 52m
1 stop
STL10:53 amLambert-St Louis
Dec 21
STL6:21 pmLambert-St Louis
23h 37m
1 stop
IND6:58 pmIndianapolis
$185
Frontier
Nov 25
IND10:30 pmIndianapolis
10h 24m
1 stop
STL7:54 amLambert-St Louis
Dec 1
STL6:13 pmLambert-St Louis
14h 55m
1 stop
IND10:08 amIndianapolis
$210
Frontier
Dec 17
IND1:01 pmIndianapolis
12h 40m
2 stops
STL12:41 amLambert-St Louis
Dec 21
STL6:21 pmLambert-St Louis
22h 22m
2 stops
IND5:43 pmIndianapolis
$246

Southwest flights from Indianapolis to St. Louis

Our best Southwest deals on Indianapolis to St. Louis flight tickets
Southwest
Jan 13
IND8:55 amIndianapolis
3h 20m
1 stop
STL11:15 amLambert-St Louis
Jan 13
STL4:25 pmLambert-St Louis
4h 10m
1 stop
IND9:35 pmIndianapolis
$273
Southwest
Jan 13
IND5:30 amIndianapolis
7h 20m
2 stops
STL11:50 amLambert-St Louis
Jan 13
STL2:20 pmLambert-St Louis
6h 55m
1 stop
IND10:15 pmIndianapolis
$278
Southwest
Jan 13
IND7:05 amIndianapolis
7h 15m
2 stops
STL1:20 pmLambert-St Louis
Jan 23
STL10:15 amLambert-St Louis
8h 40m
2 stops
IND7:55 pmIndianapolis
$283

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

Thu 12/17

1:01 pm-10:53 am

1 stop22h 52m

Lambert-St Louis

Mon 12/21

6:21 pm-6:58 pm

1 stop23h 37m

$185

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 11/25

10:30 pm-7:54 am

1 stop10h 24m

Lambert-St Louis

Wed 12/2

7:58 pm-5:52 pm

1 stop20h 54m

$210

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 11/25

10:30 pm-7:54 am

1 stop10h 24m

Lambert-St Louis

Tue 12/1

6:13 pm-10:08 am

1 stop14h 55m

$210

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Thu 12/17

1:01 pm-12:41 am

2 stops12h 40m

Lambert-St Louis

Mon 12/21

6:21 pm-5:43 pm

2 stops22h 22m

$246

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 11/25

4:37 pm-4:20 pm

2 stops24h 43m

Lambert-St Louis

Wed 12/2

7:58 pm-5:52 pm

1 stop20h 54m

$251

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 11/25

4:37 pm-4:20 pm

2 stops24h 43m

Lambert-St Louis

Wed 12/2

6:13 pm-7:07 pm

2 stops23h 54m

$262

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 1/13

1:39 pm-4:18 pm

1 stop3h 39m

Lambert-St Louis

Sat 1/23

7:29 am-12:49 pm

1 stop4h 20m

$273
Quickest round-trip

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 1/13

8:55 am-11:15 am

1 stop3h 20m

Lambert-St Louis

Wed 1/13

4:25 pm-9:35 pm

1 stop4h 10m

$273

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 1/13

7:25 pm-9:45 pm

1 stop3h 20m

Lambert-St Louis

Sat 1/23

10:15 am-7:55 pm

2 stops8h 40m

$278

IndianapolisSt. Louis

IND Indianapolis - STL Lambert-St Louis

INDSTL

Indianapolis

Wed 11/25

6:00 am-10:32 am

1 stop5h 32m

Lambert-St Louis

Sun 11/29

5:00 am-9:48 am

1 stop3h 48m

$330

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, 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 $265. The month of March is another great option to travel to St. Louis, with average flight prices from Indianapolis averaging around $281.

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

$92

Fastest flight time

4h 38m

Direct flights

None
The best one-way flight to St. Louis from Indianapolis in the past 72 hours is $92. The best round-trip flight deal from Indianapolis to St. Louis found on momondo in the last 72 hours is $185.
The fastest flight from Indianapolis to St. Louis takes 4h 38m
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 4h 38m 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
7.3
10,461 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
Farmington
Florissant
Festus
Hermann
Clayton
Fenton
Edwardsville
O'Fallon
Eureka
Wentzville
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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