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Cheap flights from Indianapolis to St. Louis from $75

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 4/20. 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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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

$75

Fastest flight time

3h 55m

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 $75. The best round-trip flight deal from Indianapolis to St. Louis found on momondo in the last 72 hours is $199.
The fastest flight from Indianapolis to St. Louis takes 3h 55m
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 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 from Indianapolis to St. Louis?

August. The cheapest time of year to fly to St. Louis from Indianapolis is August. Most expensive is October

What is the cheapest day to depart Indianapolis for St. Louis?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Wednesday

When is the cheapest time to fly from Indianapolis to St. Louis?

In the afternoon. Indianapolis to St. Louis flights are approximately 27% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to St. Louis from Indianapolis?

Delta. American Airlines, Delta, and United Airlines are the most popular carriers operating from Indianapolis to St. Louis

What is the cheapest Indianapolis to St. Louis flight route?

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

When traveling from Indianapolis to St. Louis, the most popular airport to fly into is Lambert-St Louis Airport. The majority of travelers flying into Lambert-St Louis Airport from Indianapolis are departing from Indianapolis Airport. When booking your trip to St. Louis, it is helpful to have an alternative airport to fly out of. Good options for departure airports when traveling to St. Louis, you can try Cincinnati Cinci./N. Kentucky Airport (in Cincinnati) or Fort Wayne Airport (in Fort Wayne). The least expensive flight option from Indianapolis to St. Louis will typically be IND — STL during the month of March with an average price of $143 RT.

Cincinnati Cinci./N. Kentucky Airport (CVG) to Lambert-St Louis Airport (STL)$245
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Indianapolis Airport (IND) to Lambert-St Louis Airport (STL)$143
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Fort Wayne Airport (FWA) to Lambert-St Louis Airport (STL)$228
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Easily compare round-trip flights from Indianapolis to St. Louis

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Indianapolis to St. Louis by changing tabs
Spirit Airlines
Apr 23
IND12:30 pmIndianapolis
23h 13m
1 stop
STL10:43 amLambert-St Louis
May 7
STL10:34 amLambert-St Louis
21h 23m
1 stop
IND8:57 amIndianapolis
Frontier
Apr 8
IND10:41 pmIndianapolis
10h 40m
1 stop
STL8:21 amLambert-St Louis
Apr 12
STL5:35 pmLambert-St Louis
25h 47m
1 stop
IND8:22 pmIndianapolis
Sun Country Air
May 16
IND7:00 pmIndianapolis
18h 20m
1 stop
STL12:20 pmLambert-St Louis
May 19
STL8:15 amLambert-St Louis
9h 05m
1 stop
IND6:20 pmIndianapolis
Multiple Airlines
Apr 22
IND6:37 amIndianapolis
28h 07m
1 stop
STL9:44 amLambert-St Louis
May 6
STL2:00 pmLambert-St Louis
19h 34m
3 stops
IND10:34 amIndianapolis
American Airlines
Apr 21
IND7:01 pmIndianapolis
4h 41m
1 stop
STL10:42 pmLambert-St Louis
May 6
STL4:20 pmLambert-St Louis
6h 37m
1 stop
IND11:57 pmIndianapolis
Delta
Apr 21
IND6:25 amIndianapolis
3h 55m
1 stop
STL9:20 amLambert-St Louis
May 7
STL2:18 pmLambert-St Louis
3h 29m
1 stop
IND6:47 pmIndianapolis

Find the cheapest one-way flights from Indianapolis to St. Louis

If you're looking for one-way flights from Indianapolis to St. Louis, view some of our deals below provided by Frontier, Sun Country Air and United Airlines
Multiple Airlines
Apr 20
IND5:15 amIndianapolis
16h 17m
1 stop
STL8:32 pmLambert-St Louis
Frontier
Apr 29
IND9:55 pmIndianapolis
18h 55m
1 stop
STL3:50 pmLambert-St Louis
Sun Country Air
May 16
IND7:00 pmIndianapolis
18h 20m
1 stop
STL12:20 pmLambert-St Louis

Search last-minute flights to St. Louis from Indianapolis

Find and compare round-trip flight prices for your last-minute flight from Indianapolis to St. Louis
Frontier
Apr 8
IND10:41 pmIndianapolis
10h 40m
1 stop
STL8:21 amLambert-St Louis
Apr 12
STL5:35 pmLambert-St Louis
25h 47m
1 stop
IND8:22 pmIndianapolis
Multiple Airlines
Apr 5
IND8:15 pmIndianapolis
25h 58m
1 stop
STL9:13 pmLambert-St Louis
Apr 7
STL8:24 pmLambert-St Louis
27h 05m
1 stop
IND12:29 amIndianapolis
Spirit Airlines
Apr 5
IND8:24 pmIndianapolis
22h 07m
2 stops
STL5:31 pmLambert-St Louis
Apr 7
STL6:21 pmLambert-St Louis
21h 42m
2 stops
IND5:03 pmIndianapolis
Frontier
Apr 8
IND10:41 pmIndianapolis
10h 40m
1 stop
STL8:21 amLambert-St Louis
Apr 12
STL9:34 pmLambert-St Louis
21h 48m
2 stops
IND8:22 pmIndianapolis
American Airlines
Mar 29
IND3:45 pmIndianapolis
4h 35m
1 stop
STL7:20 pmLambert-St Louis
Mar 31
STL5:15 amLambert-St Louis
5h 13m
1 stop
IND11:28 amIndianapolis
Multiple Airlines
Apr 5
IND5:10 amIndianapolis
8h 07m
1 stop
STL12:17 pmLambert-St Louis
Apr 7
STL11:15 pmLambert-St Louis
45h 36m
2 stops
IND9:51 pmIndianapolis

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
American AirlinesPriceFrom $195Free CancellationRating
7.3
15,231 reviews
Search American Airlines flights
DeltaPriceFrom $234Free CancellationRating
8.0
11,437 reviews
Search Delta flights
United AirlinesPriceFrom $270Free CancellationRating
7.4
11,509 reviews
Search United Airlines flights

Spirit Airlines flights from Indianapolis to St. Louis

Our best Spirit Airlines deals on Indianapolis to St. Louis flight tickets
Spirit Airlines
Apr 23
IND12:30 pmIndianapolis
23h 13m
1 stop
STL10:43 amLambert-St Louis
May 7
STL10:34 amLambert-St Louis
21h 23m
1 stop
IND8:57 amIndianapolis
Spirit Airlines
Apr 30
IND5:15 amIndianapolis
9h 29m
1 stop
STL1:44 pmLambert-St Louis
May 1
STL11:33 amLambert-St Louis
16h 58m
1 stop
IND5:31 amIndianapolis
Spirit Airlines
Apr 22
IND6:37 amIndianapolis
28h 07m
1 stop
STL9:44 amLambert-St Louis
May 7
STL10:34 amLambert-St Louis
25h 17m
3 stops
IND12:51 pmIndianapolis

Frontier flights from Indianapolis to St. Louis

Our best Frontier deals on Indianapolis to St. Louis flight tickets
Frontier
Apr 8
IND10:41 pmIndianapolis
10h 40m
1 stop
STL8:21 amLambert-St Louis
Apr 12
STL5:35 pmLambert-St Louis
25h 47m
1 stop
IND8:22 pmIndianapolis
Frontier
Apr 8
IND10:41 pmIndianapolis
10h 40m
1 stop
STL8:21 amLambert-St Louis
Apr 12
STL9:34 pmLambert-St Louis
21h 48m
2 stops
IND8:22 pmIndianapolis

  • 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 55m 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.


Alternative routes for Indianapolis to St. Louis

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Indianapolis to Kansas City Flights
Fastest flight time3h 39m
Cheapest price$179
Fort Wayne to Kansas City Flights
Fastest flight time6h 09m
Cheapest price$248
Fort Wayne to St. Louis Flights
Fastest flight time3h 25m
Cheapest price$228
South Bend to Springfield Flights
Fastest flight time7h 14m
Cheapest price$468
Indianapolis to Springfield Flights
Fastest flight time4h 31m
Cheapest price$228
South Bend to Kansas City Flights
Fastest flight time4h 03m
Cheapest price$290
South Bend to St. Louis Flights
Fastest flight time5h 53m
Cheapest price$318
Fort Wayne to Springfield Flights
Fastest flight time6h 20m
Cheapest price$728

Similar Indianapolis to St. Louis flights

Flexible with your destination? Broaden your search and find flights similar to your Indianapolis to St. Louis route

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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