HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Indianapolis to St. Louis (IND - STL) from $111

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IND — STL
mai 3 — mai 101
From?
To?
ven. 5/3
ven. 5/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Indianapolis to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated avril 28, 2024.

Popular in

October

Cheapest in

August

Round-trip from

$323

One-way from

$152
High demand for flights, 41% potential price rise
Search Deals
Best time to find cheap flights, 38% potential price drop
Search Deals
From Indianapolis to Lambert-St Louis
Search Deals
One-way flight from Indianapolis to Lambert-St Louis
Search Deals

What is the cheapest day to fly round-trip from Indianapolis to St. Louis?

Monday is generally a great day to depart. Flying on this day could help you save up to 92%.

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

Our data shows that August tends to be the cheapest month to fly to St. Louis from Indianapolis. Users have commonly found prices around $317 for the month, but tickets can be as low as $195. Due to multiple factors, prepare for potentially higher prices in October.

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

A simple way to save on the total cost of your ticket is to fly from Indianapolis to St. Louis at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the morning.

Cheap Spirit Airlines flights from Indianapolis to St. Louis

Explore cheap flight options specifically provided by Spirit Airlines for the route between Indianapolis and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated avril 28, 2024.
Find some of the cheapest Spirit Airlines flights traveling from Indianapolis to St. Louis. Come back soon if you're not finding the exact deal you're looking for.
mar. 6/255:00 amIND - STL
1 stop6h 57mSpirit Airlines
mar. 6/253:23 pmSTL - IND
1 stop17h 21mSpirit Airlines
Deal found 4/27$173
mar. 5/2111:00 amIND - STL
1 stop24h 46mSpirit Airlines
jeu. 5/237:30 pmSTL - IND
1 stop22h 50mSpirit Airlines
Deal found 4/27$206
sam. 5/45:15 amIND - STL
1 stop6h 25mSpirit Airlines
mar. 5/710:34 amSTL - IND
1 stop21h 23mSpirit Airlines
Deal found 4/27$218
sam. 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
sam. 6/15:15 pmSTL - IND
1 stop14h 42mSpirit Airlines
Deal found 4/27$225
lun. 5/67:57 pmIND - STL
1 stop18h 47mSpirit Airlines
jeu. 5/97:30 pmSTL - IND
1 stop22h 50mSpirit Airlines
Deal found 4/27$245
mar. 6/255:00 amIND - STL
1 stop6h 57mSpirit Airlines
mar. 6/253:23 pmSTL - IND
2 stops20h 12mSpirit Airlines
Deal found 4/27$253
mar. 5/215:15 amIND - STL
1 stop9h 22mSpirit Airlines
jeu. 5/236:19 pmSTL - IND
2 stops24h 01mSpirit Airlines
Deal found 4/27$279
ven. 5/108:11 pmIND - STL
1 stop15h 17mSpirit Airlines
dim. 5/127:30 pmSTL - IND
1 stop14h 47mSpirit Airlines
Deal found 4/27$280
sam. 5/45:15 amIND - STL
1 stop6h 25mSpirit Airlines
mer. 5/811:36 amSTL - IND
1 stop17h 03mSpirit Airlines
Deal found 4/27$285

Cheap American Airlines flights from Indianapolis to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Indianapolis and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated avril 28, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Indianapolis to St. Louis. Check back soon if you're not seeing flights that suit your needs.
ven. 10/256:52 amIND - STL
1 stop4h 12mAmerican Airlines
dim. 10/276:22 amSTL - IND
1 stop3h 01mAmerican Airlines
Deal found 4/27$274
jeu. 6/2010:53 amIND - STL
1 stop4h 33mAmerican Airlines
jeu. 6/275:15 amSTL - IND
1 stop4h 59mAmerican Airlines
Deal found 4/27$294
dim. 7/288:13 amIND - STL
2 stops7h 13mAmerican Airlines
dim. 8/45:46 pmSTL - IND
1 stop5h 36mAmerican Airlines
Deal found 4/27$692
sam. 5/48:29 amIND - STL
2 stops7h 41mAmerican Airlines
mar. 5/710:46 amSTL - IND
1 stop6h 18mAmerican Airlines
Deal found 4/27$749

Cheap Indianapolis to St. Louis flights in April & May 2024

Find cheap flight options from Indianapolis to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on avril 28, 2024.
Check out some of the best flight deals from Indianapolis to St. Louis in 2024. Check back regularly for other flight deals.
mar. 5/2111:00 amIND - STL
1 stop24h 46mSpirit Airlines
jeu. 5/237:30 pmSTL - IND
1 stop22h 50mSpirit Airlines
Deal found 4/27$206
sam. 5/45:15 amIND - STL
1 stop6h 25mSpirit Airlines
mar. 5/710:34 amSTL - IND
1 stop21h 23mSpirit Airlines
Deal found 4/27$218
sam. 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
sam. 6/15:15 pmSTL - IND
1 stop14h 42mSpirit Airlines
Deal found 4/27$225
lun. 5/67:57 pmIND - STL
1 stop18h 47mSpirit Airlines
jeu. 5/97:30 pmSTL - IND
1 stop22h 50mSpirit Airlines
Deal found 4/27$245
mar. 5/215:15 amIND - STL
1 stop9h 22mSpirit Airlines
jeu. 5/236:19 pmSTL - IND
2 stops24h 01mSpirit Airlines
Deal found 4/27$279
ven. 5/108:11 pmIND - STL
1 stop15h 17mSpirit Airlines
dim. 5/127:30 pmSTL - IND
1 stop14h 47mSpirit Airlines
Deal found 4/27$280
sam. 5/45:15 amIND - STL
1 stop6h 25mSpirit Airlines
mer. 5/811:36 amSTL - IND
1 stop17h 03mSpirit Airlines
Deal found 4/27$285
mar. 5/216:45 amIND - STL
3 stops29h 01mSpirit Airlines
jeu. 5/236:19 pmSTL - IND
1 stop14h 38mSpirit Airlines
Deal found 4/27$288
mar. 5/216:45 amIND - STL
3 stops29h 01mSpirit Airlines
jeu. 5/236:19 pmSTL - IND
2 stops24h 01mSpirit Airlines
Deal found 4/27$300

Indianapolis to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Indianapolis and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated avril 28, 2024.
Check out some of the best flight deals from Indianapolis to St. Louis in 2024. Check back regularly for other flight deals.
mar. 6/255:00 amIND - STL
1 stop6h 57mSpirit Airlines
mar. 6/253:23 pmSTL - IND
1 stop17h 21mSpirit Airlines
Deal found 4/27$173
mar. 5/2111:00 amIND - STL
1 stop24h 46mSpirit Airlines
jeu. 5/237:30 pmSTL - IND
1 stop22h 50mSpirit Airlines
Deal found 4/27$206
sam. 5/45:15 amIND - STL
1 stop6h 25mSpirit Airlines
mar. 5/710:34 amSTL - IND
1 stop21h 23mSpirit Airlines
Deal found 4/27$218
sam. 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
sam. 6/15:15 pmSTL - IND
1 stop14h 42mSpirit Airlines
Deal found 4/27$225
lun. 5/67:57 pmIND - STL
1 stop18h 47mSpirit Airlines
jeu. 5/97:30 pmSTL - IND
1 stop22h 50mSpirit Airlines
Deal found 4/27$245
mar. 6/255:00 amIND - STL
1 stop6h 57mSpirit Airlines
mar. 6/253:23 pmSTL - IND
2 stops20h 12mSpirit Airlines
Deal found 4/27$253
dim. 7/286:10 amIND - STL
1 stop4h 13mDelta
dim. 8/47:06 pmSTL - IND
1 stop3h 52mDelta
Deal found 4/27$266
ven. 10/256:52 amIND - STL
1 stop4h 12mAmerican Airlines
dim. 10/276:22 amSTL - IND
1 stop3h 01mAmerican Airlines
Deal found 4/27$274
mar. 5/215:15 amIND - STL
1 stop9h 22mSpirit Airlines
jeu. 5/236:19 pmSTL - IND
2 stops24h 01mSpirit Airlines
Deal found 4/27$279

Indianapolis to St. Louis flights leaving soon

Find last-minute flight options from Indianapolis to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated avril 28, 2024.
Have a look at some of the last-minute flights available departing from Indianapolis to St. Louis. Users should examine the flight details to ensure there are no surprises.
sam. 5/45:15 amIND - STL
1 stop6h 25mSpirit Airlines
mar. 5/710:34 amSTL - IND
1 stop21h 23mSpirit Airlines
Deal found 4/27$218
lun. 5/67:57 pmIND - STL
1 stop18h 47mSpirit Airlines
jeu. 5/97:30 pmSTL - IND
1 stop22h 50mSpirit Airlines
Deal found 4/27$245
sam. 5/45:15 amIND - STL
1 stop6h 25mSpirit Airlines
mer. 5/811:36 amSTL - IND
1 stop17h 03mSpirit Airlines
Deal found 4/27$285
lun. 5/66:05 pmIND - STL
3 stops37h 55mMultiple Airlines
jeu. 5/912:00 pmSTL - IND
3 stops11h 59mMultiple Airlines
Deal found 4/27$418
lun. 5/66:05 pmIND - STL
3 stops43h 55mMultiple Airlines
jeu. 5/97:30 pmSTL - IND
2 stops22h 36mMultiple Airlines
Deal found 4/27$473
lun. 5/66:05 pmIND - STL
3 stops43h 55mMultiple Airlines
jeu. 5/96:19 pmSTL - IND
1 stop14h 38mMultiple Airlines
Deal found 4/27$480
lun. 5/68:12 pmIND - STL
2 stops18h 32mSpirit Airlines
jeu. 5/96:19 pmSTL - IND
1 stop14h 38mSpirit Airlines
Deal found 4/27$618
sam. 5/48:29 amIND - STL
2 stops7h 41mAmerican Airlines
mar. 5/710:46 amSTL - IND
1 stop6h 18mAmerican Airlines
Deal found 4/27$749

One-way flights to St. Louis from Indianapolis

Search for one-way flight options from Indianapolis to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated avril 28, 2024.
Take a look at some of the best available options we've come across on one-way flights from Indianapolis to St. Louis. Users needing a return flight from Indianapolis to St. Louis should utilize the search form above.
dim. 5/266:00 amIND - STL
1 stop3h 54mDelta
Deal found 4/27$111
dim. 7/76:05 amIND - STL
1 stop4h 03mDelta
Deal found 4/27$133
dim. 5/197:15 pmIND - STL
2 stops20h 59mMultiple Airlines
Deal found 4/27$138
dim. 6/25:00 amIND - STL
1 stop5h 53mAmerican Airlines
Deal found 4/27$152
dim. 5/125:15 amIND - STL
1 stop14h 25mSpirit Airlines
Deal found 4/27$155
ven. 5/38:11 pmIND - STL
1 stop15h 29mSpirit Airlines
Deal found 4/27$170
dim. 5/267:00 pmIND - STL
2 stops21h 14mMultiple Airlines
Deal found 4/27$176
dim. 5/125:58 pmIND - STL
2 stops22h 16mSpirit Airlines
Deal found 4/27$177
dim. 5/195:15 amIND - STL
3 stops34h 59mMultiple Airlines
Deal found 4/27$180

Find flights from Indianapolis to St. Louis within your budget

Customize your flight search to find flights from Indianapolis 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, Cheapflights users made 2,944,896 searches. Data last updated avril 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$173 - $325

Route

Depart

Return

Price

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

mar. 6/25

1 stop6h 57m

Lambert-St Louis

mar. 6/25

1 stop17h 21m

$173

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

mar. 5/21

1 stop24h 46m

Lambert-St Louis

jeu. 5/23

1 stop22h 50m

$206

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

sam. 5/25

1 stop6h 13m

Lambert-St Louis

sam. 6/1

1 stop14h 42m

$225

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

mar. 6/25

1 stop6h 57m

Lambert-St Louis

mar. 6/25

2 stops20h 12m

$253

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

dim. 7/28

1 stop4h 13m

Lambert-St Louis

dim. 8/4

1 stop3h 52m

$266

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

ven. 10/25

1 stop4h 12m

Lambert-St Louis

dim. 10/27

1 stop3h 01m

$274

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

mar. 5/21

1 stop9h 22m

Lambert-St Louis

jeu. 5/23

2 stops24h 01m

$279

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

jeu. 6/20

1 stop4h 33m

Lambert-St Louis

jeu. 6/27

1 stop4h 59m

$294

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

mar. 5/21

3 stops29h 01m

Lambert-St Louis

jeu. 5/23

3 stops21h 30m

$325

Flights are sorted by cheapest first

Deals found on 4/27

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

Use this chart to determine the cheapest time to fly round-trip from Indianapolis to St. Louis. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Indianapolis to St. Louis flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Indianapolis to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Indianapolis to St. Louis is currently $155 while a round-trip flight costs $255. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Indianapolis to St. Louis (average of $323). Flying from Indianapolis to St. Louis in July is currently the most expensive (average of $378). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated avril 28, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines and American Airlines from Indianapolis to St. Louis to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Spirit Airlines
6.4
Okay
8,739 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Indianapolis to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Indianapolis to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Indianapolis to St. Louis for under $200. The cheapest flight booked recently is on Spirit Airlines for just $173, but on average you can expect to pay $341.

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

    There are currently 8+ open flights from Indianapolis to St. Louis within the next 7 days for less than $300.

  • What are the cheapest airlines flying from Indianapolis to St. Louis round-trip?

    Flying on Spirit Airlines is currently your cheapest option to St. Louis, with prices starting at $173. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $266 and $274, respectively. Spirit Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Indianapolis to St. Louis are Delta ($111), American Airlines ($152), and Spirit Airlines ($155).

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

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

  • What does IND to STL mean?

    Indianapolis Airport is IND and Lambert-St Louis Airport is STL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Indianapolis to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Indianapolis to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Indianapolis to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Indianapolis to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Indianapolis to St. Louis that include hotel bookings?

    Yes. In addition to deals on Indianapolis to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indianapolis to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indianapolis to St. Louis.

  • Can I find deals for business class flights from Indianapolis to St. Louis?

    Yes. Cheapflights offers flight deals from Indianapolis to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Indianapolis to St. Louis that allow pets onboard?

    Many airlines flying from Indianapolis to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Indianapolis to St. Louis?

    Yes, you can often find last-minute deals on Indianapolis to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Indianapolis to St. Louis flight deals updated?

    The Indianapolis to St. Louis flight deals you see on this page were last updated on 4/27.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Indianapolis to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

Indianapolis to Kansas City flights
South Bend to Kansas City flights
Fort Wayne to St. Louis flights
Fort Wayne to Kansas City flights
Indianapolis to Springfield flights
South Bend to Springfield flights
Fort Wayne to Springfield flights
South Bend to St. Louis flights

Top 3 airlines flying from Indianapolis to St. Louis

Discover the top 3 airlines that operate flights from Indianapolis to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated avril 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$195Average$271FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$234Average$244FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$270Average$369FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
New York John F Kennedy Intl Airport to Dubai flights
Atlanta to Los Angeles flights
New York to Paris flights
Minneapolis to Chicago flights
Philadelphia to Dallas flights
Detroit to Hawaii flights
USA to Pakistan flights
Los Angeles to Cabo San Lucas flights
Fort Lauderdale to Denver flights
Newark Airport to San Diego flights
New York to Mexico City flights
Indianapolis to London Stansted Airport flights

Search flights from Indianapolis to St. Louis by cabin class

Find flights from Indianapolis to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Perugia Sant Egidio
Flights to Biarritz Parme
Flights to Argostoli Cephalonia
Flights to Melilla
Flights to Milas–Bodrum
Flights to Girona Costa Brava
Flights to Hakodate
Flights to Fez Sais
Flights to Constantine Ain El Bey
Flights to Zakynthos Dionsios Salomos
Flights to Bourgas
Flights to Bodø
Flights to Reggio Calabria Tito Menniti
Flights to Bastia Poretta
Flights to Skiathos
Flights to Kalamata
Flights to Batumi
Flights to Menorca/Mahon
Flights to Kristiansand Kjevik
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Ohrid
Flights to Clermont-Ferrand Aulnat
Flights to Parikia Paros

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Indianapolis to St. Louis?

Deals for Indianapolis to St. Louis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Indianapolis to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from Indianapolis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Indianapolis to St. Louis with no change fees?

Yes, we can. To see specific flights from Indianapolis to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Indianapolis to St. Louis become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines