Cheap flights from Indiana to St. Louis (STL)

IND — STL
Dec 13 — Dec 201

What is the cheapest month to fly from Indiana to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, February can be a great choice for travel to St. Louis. Flights to St. Louis from Indiana in February are about $332 on average during February, but can be found for as low as $126.

When is the cheapest time to fly from Indiana to St. Louis (IN - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Indiana to St. Louis as you normally would.

Cheap flights from Indiana to St. Louis in December, January 2022

The best prices found for Indiana to STL flights for December, January
Jan 9 - Jan 16
IND

Indianapolis

STL

Lambert-St Louis

1 stop

4h 58m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

4h 57m
$222

American Airlines

Pick Dates

Deal found 12/5

Jan 6 - Jan 8
IND

Indianapolis

STL

Lambert-St Louis

1 stop

9h 23m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

23h 36m
$223

Multiple Airlines

Pick Dates

Deal found 12/7

Dec 15 - Dec 18
IND

Indianapolis

STL

Lambert-St Louis

1 stop

12h 32m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

15h 02m
$269

Multiple Airlines

Pick Dates

Deal found 12/5

Indiana to St. Louis 2022 flight deals

Cheap flights to St. Louis from Indiana found for this year
Dec 15 - Dec 18
IND

Indianapolis

STL

Lambert-St Louis

1 stop

12h 32m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

15h 02m
$269

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 21 - Dec 22
IND

Indianapolis

STL

Lambert-St Louis

1 stop

4h 58m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

4h 43m
$282

American Airlines

Pick Dates

Deal found 12/6

Dec 16 - Dec 18
IND

Indianapolis

STL

Lambert-St Louis

1 stop

23h 53m
STL

Lambert-St Louis

IND

Indianapolis

2 stops

22h 50m
$301

Frontier

Pick Dates

Deal found 12/6

Cheap American Airlines flights from Indiana to St. Louis

Feb 3 - Feb 5
IND

Indianapolis

STL

Lambert-St Louis

1 stop

5h 13m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

4h 46m
$221

American Airlines

Pick Dates

Deal found 12/6

Jan 9 - Jan 16
IND

Indianapolis

STL

Lambert-St Louis

1 stop

4h 58m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

4h 57m
$222

American Airlines

Pick Dates

Deal found 12/5

Dec 21 - Dec 22
IND

Indianapolis

STL

Lambert-St Louis

1 stop

4h 58m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

4h 43m
$282

American Airlines

Pick Dates

Deal found 12/6

Cheap United Airlines flights from Indiana to St. Louis

Apr 8 - Apr 11
SBN

South Bend/Michiana

STL

Lambert-St Louis

1 stop

5h 19m
STL

Lambert-St Louis

SBN

South Bend/Michiana

1 stop

4h 44m
$307

United Airlines

Pick Dates

Deal found 12/6

Feb 10 - Feb 13
IND

Indianapolis

STL

Lambert-St Louis

2 stops

24h 39m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

3h 32m
$345

United Airlines

Pick Dates

Deal found 12/7

Dec 13 - Jan 5
SBN

South Bend/Michiana

STL

Lambert-St Louis

1 stop

4h 42m
STL

Lambert-St Louis

SBN

South Bend/Michiana

1 stop

3h 31m
$351

United Airlines

Pick Dates

Deal found 12/6

Non-stop flights to St. Louis from Indiana

Save time with Indiana to St. Louis direct flight deals
Dec 23 - Dec 28
SBN

South Bend/Michiana

STL

Lambert-St Louis

Nonstop

2h 31m
STL

Lambert-St Louis

SBN

South Bend/Michiana

Nonstop

2h 31m
$3,981

Linear Air Taxi

Pick Dates

Deal found 12/6

Jan 9 - Jan 16
IND

Indianapolis

STL

Lambert-St Louis

Nonstop

1h 47m
STL

Lambert-St Louis

IND

Indianapolis

Nonstop

1h 47m
$4,888

Linear Air Taxi

Pick Dates

Deal found 12/5

Jan 6 - Jan 8
IND

Indianapolis

STL

Lambert-St Louis

Nonstop

1h 47m
STL

Lambert-St Louis

IND

Indianapolis

Nonstop

1h 47m
$4,922

Linear Air Taxi

Pick Dates

Deal found 12/7

Last minute flights from Indiana to St. Louis

Late deals on return flights to St. Louis from Indiana, departing today and this week
Dec 15 - Dec 18
IND

Indianapolis

STL

Lambert-St Louis

1 stop

12h 32m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

15h 02m
$269

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 16 - Dec 18
IND

Indianapolis

STL

Lambert-St Louis

1 stop

23h 53m
STL

Lambert-St Louis

IND

Indianapolis

2 stops

22h 50m
$301

Frontier

Pick Dates

Deal found 12/6

Dec 18 - Dec 27
IND

Indianapolis

STL

Lambert-St Louis

1 stop

5h 16m
STL

Lambert-St Louis

IND

Indianapolis

1 stop

5h 37m
$326

Multiple Airlines

Pick Dates

Deal found 12/5

One-way flights to St. Louis from Indiana

The cheapest one-way flights from Indiana to St. Louis
Dec 31
IND

Indianapolis

STL

Lambert-St Louis

1 stop

5h 54m
$109

United Airlines

Pick Dates

Deal found 12/7

Dec 31
IND

Indianapolis

STL

Lambert-St Louis

1 stop

5h 54m
$112

United Airlines

Pick Dates

Deal found 12/6

Dec 15
IND

Indianapolis

STL

Lambert-St Louis

1 stop

12h 32m
$120

Frontier

Pick Dates

Deal found 12/6

Related info for your journey

Useful info, stats and facts about Indiana to St. Louis flights.

What airport do you fly into for flights to St. Louis from Indiana?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Indiana to St. Louis.

Which airlines flying from Indiana to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of our airline partners flying from Indiana to Lambert-St Louis have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Indiana to St. Louis for under $300 on Cheapflights?

Yes, there are multiple flights from Indiana to St. Louis for under $300. The cheapest flight booked recently is on American Airlines for just $221, but on average you can expect to pay $322.

Are there nonstop flights from Indiana to St. Louis for under $4,000 on Cheapflights?

Cheapflights has at least 13 direct flights from Indiana to St. Louis under $4,000. A good price for a nonstop flight from Indiana to St. Louis is less than $6,933.

Are there last-minute flights available from Indiana to St. Louis for under $300?

There are currently 20+ open flights from Indiana to St. Louis within the next 7 days for less than $300.

What are the cheapest airlines to fly from Indiana to St. Louis one-way?

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $109. Users have also found prices from $120 and $131 on Frontier and Spirit Airlines, respectively.

What are the most popular routes from Indiana to St. Louis?

Most travelers choose Indianapolis - Lambert-St Louis, South Bend/Michiana - Lambert-St Louis or Fort Wayne - Lambert-St Louis when deciding on the best route from Indiana to St. Louis.

What are the most popular airlines that fly from Indiana to St. Louis?

Consider Bus, American Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Indiana to St. Louis.

What are the cheapest flights from Indiana to St. Louis?

Looking at all options, your cheapest flight can be booked for $193. While the most popular route (Indianapolis - Lambert-St Louis) can be booked for $222 on average our data indicates $350 when flying from Indiana to St. Louis.

Departure points for flights from Indiana to St. Louis

Select to see more specific information for flights to St. Louis from all departure points in Indiana

Top 3 airlines flying from Indiana to St. Louis

The chart below displays the airlines Cheapflights users traveling from Indiana to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
DeltaCheapest$157Average$391FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$180Average$460FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$217Average$399FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights