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Cheap flights from Indiana to St. Louis from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indiana to St. Louis departing on 5/6. 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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0 bags

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Find the cheapest flights from Indiana to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:46 pm - 6:50 am
CVG
-
STL
12h 04m
1 stop
Frontier Logo
5:27 pm - 11:04 am
STL
-
CVG
16h 37m
1 stop
$130Frontier
Fri, May 1 - Wed, May 6
Frontier Logo
5:20 pm - 11:19 pm
CVG
-
STL
6h 59m
1 stop
Frontier Logo
11:28 am - 6:16 pm
STL
-
CVG
5h 48m
1 stop
$160Frontier
Fri, May 1 - Sun, May 3
Multiple Airlines Logo
11:28 am - 6:50 am
ORD
-
STL
19h 22m
1 stop
Multiple Airlines Logo
8:23 pm - 3:23 pm
STL
-
ORD
19h 00m
2 stops
$190Multiple Airlines
Tue, Apr 28 - Fri, May 1
Southwest Logo
9:30 pm - 10:45 pm
MDW
-
STL
1h 15mnonstop
Southwest Logo
7:20 am - 8:30 am
STL
-
MDW
1h 10mnonstop
$191Southwest
Thu, Apr 30 - Mon, May 4
American Airlines Logo
3:18 pm - 4:41 pm
ORD
-
STL
1h 23mnonstop
American Airlines Logo
4:30 pm - 6:10 pm
STL
-
ORD
1h 40mnonstop
$191American Airlines
Thu, Apr 30 - Mon, May 4
Multiple Airlines Logo
11:28 am - 11:19 pm
ORD
-
STL
11h 51m
2 stops
Multiple Airlines Logo
8:23 pm - 7:55 am
STL
-
ORD
11h 32m
1 stop
$193Multiple Airlines
Thu, Apr 30 - Mon, May 4
American Airlines Logo
10:25 am - 11:47 am
ORD
-
STL
1h 22mnonstop
American Airlines Logo
7:05 am - 8:36 am
STL
-
ORD
1h 31mnonstop
$194American Airlines
Thu, Apr 30 - Mon, May 4
Southwest Logo
11:15 am - 4:05 pm
MDW
-
STL
4h 50m
1 stop
Southwest Logo
5:40 am - 6:50 am
STL
-
MDW
1h 10mnonstop
$201Southwest
Thu, Apr 30 - Mon, May 4
Delta Logo
6:44 pm - 11:35 pm
DAY
-
STL
5h 51m
1 stop
Delta Logo
9:15 am - 2:29 pm
STL
-
DAY
4h 14m
1 stop
$271Delta
Wed, May 6 - Wed, May 13
Delta Logo
7:05 am - 11:32 am
SBN
-
STL
5h 27m
1 stop
Delta Logo
5:35 pm - 10:31 pm
STL
-
SBN
3h 56m
1 stop
$291Delta
Wed, May 6 - Wed, May 6

Frontier flights from Indiana to St. Louis

Our best Frontier deals on Indiana to St. Louis flight tickets
Frontier
May 1
CVG7:46 pmCincinnati Cinci./N. Kentucky
12h 04m
1 stop
STL6:50 amLambert-St Louis
May 6
STL5:27 pmLambert-St Louis
16h 37m
1 stop
CVG11:04 amCincinnati Cinci./N. Kentucky
$130
Frontier
May 1
CVG5:20 pmCincinnati Cinci./N. Kentucky
6h 59m
1 stop
STL11:19 pmLambert-St Louis
May 3
STL11:28 amLambert-St Louis
5h 48m
1 stop
CVG6:16 pmCincinnati Cinci./N. Kentucky
$160
Frontier
May 9
CVG1:05 pmCincinnati Cinci./N. Kentucky
7h 18m
1 stop
STL7:23 pmLambert-St Louis
May 16
STL5:27 pmLambert-St Louis
16h 37m
1 stop
CVG11:04 amCincinnati Cinci./N. Kentucky
$162

United Airlines flights from Indiana to St. Louis

Our best United Airlines deals on Indiana to St. Louis flight tickets
United Airlines
May 16
ORD9:20 pmChicago O'Hare Intl
1h 25m
STL10:45 pmLambert-St Louis
May 19
STL7:09 pmLambert-St Louis
1h 31m
ORD8:40 pmChicago O'Hare Intl
$224
United Airlines
May 8
ORD7:06 amChicago O'Hare Intl
1h 33m
STL8:39 amLambert-St Louis
May 9
STL7:11 pmLambert-St Louis
1h 31m
ORD8:42 pmChicago O'Hare Intl
$234
United Airlines
May 2
IND7:15 amIndianapolis
4h 33m
1 stop
STL10:48 amLambert-St Louis
May 9
STL9:00 amLambert-St Louis
5h 03m
1 stop
IND3:03 pmIndianapolis
$275

momondo Fare Finder

 
Customize your flight search to find flights from Indiana to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 9, 2026.
Use the filters below to find and compare flights from Indiana to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 5/1

7:46 pm-6:50 am

1 stop12h 04m

Lambert-St Louis

Wed 5/6

5:27 pm-11:04 am

1 stop16h 37m

$130

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Fri 5/1

5:20 pm-11:19 pm

1 stop6h 59m

Lambert-St Louis

Sun 5/3

11:28 am-6:16 pm

1 stop5h 48m

$160

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 4/28

11:28 am-6:50 am

1 stop19h 22m

Lambert-St Louis

Fri 5/1

8:23 pm-3:23 pm

2 stops19h 00m

$190
Quickest round-trip

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 4/30

9:30 pm-10:45 pm

Nonstop1h 15m

Lambert-St Louis

Mon 5/4

7:20 am-8:30 am

Nonstop1h 10m

$191

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 4/30

3:18 pm-4:41 pm

Nonstop1h 23m

Lambert-St Louis

Mon 5/4

4:30 pm-6:10 pm

Nonstop1h 40m

$191

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 4/30

11:28 am-11:19 pm

2 stops11h 51m

Lambert-St Louis

Mon 5/4

8:23 pm-7:55 am

1 stop11h 32m

$193

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 4/30

10:25 am-11:47 am

Nonstop1h 22m

Lambert-St Louis

Mon 5/4

7:05 am-8:36 am

Nonstop1h 31m

$194

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 4/30

11:15 am-4:05 pm

1 stop4h 50m

Lambert-St Louis

Mon 5/4

5:40 am-6:50 am

Nonstop1h 10m

$201

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 5/6

6:44 pm-11:35 pm

1 stop5h 51m

Lambert-St Louis

Wed 5/13

9:15 am-2:29 pm

1 stop4h 14m

$271

South BendSt. Louis

SBN - STL

SBNSTL

South Bend/Michiana

Wed 5/6

7:05 am-11:32 am

1 stop5h 27m

Lambert-St Louis

Wed 5/6

5:35 pm-10:31 pm

1 stop3h 56m

$291

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 Indiana 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 Indiana to Lambert-St Louis flight route?

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

What cabin class options are available on Indiana to Lambert-St Louis flights?

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

Cheap Indiana to St. Louis flight deals and tips

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

Fastest flight time

1h 10m

Direct flights

Every day

Airports in St. Louis

1 airport
The fastest flight from Indiana to St. Louis takes 1h 10m
Direct flights go from Indiana to St. Louis every day.
There is 1 airport in St. Louis. From Indiana there are direct flights to Lambert-St Louis (STL).
Search flight deals

Frequently asked questions about flying from Indiana to St. Louis

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

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

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

  • How old do you have to be to fly from Indiana 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 Indiana to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Indiana to St. Louis?

Best airlines flying from Indiana to St. Louis

Compare and see reviews for airlines that fly from Indiana to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $196Free CancellationRating
7.1
11,560 reviews
Search American Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,392 reviews
Search Delta flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,554 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Eureka
Edwardsville
Litchfield
Shrewsbury
Grafton

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Indiana to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to St. Louis from Indiana on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 St. Louis from Indiana.

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

Of course. momondo tracks the price of Indiana 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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