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Cheap flights from Indianapolis to St. Louis (IND - STL) from $120

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 5/28. 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
May 1 — May 81
From?
To?
Wed 5/1
Wed 5/8
1 adult, Economy
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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 April 26, 2024.

Popular in

October

Cheapest in

August

Round-trip from

$323

One-way from

$133
High demand for flights, 41% potential price rise
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Best time to find cheap flights, 38% potential price drop
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From Indianapolis to Lambert-St Louis
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One-way flight from Indianapolis to Lambert-St Louis
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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 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 3,068,117 searches. Data last updated April 26, 2024.
Find some of the cheapest American Airlines flights traveling from Indianapolis to St. Louis. Come back soon if you're not finding the exact deal you're looking for.
Thu 7/117:07 pmIND - STL
1 stop5h 27mAmerican Airlines
Tue 7/163:18 pmSTL - IND
1 stop6h 22mAmerican Airlines
Deal found 4/25$251
Thu 7/113:50 pmIND - STL
1 stop4h 40mAmerican Airlines
Tue 7/166:10 amSTL - IND
2 stops13h 38mAmerican Airlines
Deal found 4/25$574
Mon 7/293:50 pmIND - STL
2 stops7h 09mAmerican Airlines
Sat 8/106:58 pmSTL - IND
1 stop4h 01mAmerican Airlines
Deal found 4/25$694

Cheap Delta flights from Indianapolis to St. Louis

Explore cheap flight options specifically provided by Delta 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 3,068,117 searches. Data last updated April 26, 2024.
Take a gander at the lowest prices we've found on Delta flights from Indianapolis to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Mon 7/297:59 pmIND - STL
1 stop4h 45mDelta
Sat 8/106:45 amSTL - IND
1 stop5h 41mDelta
Deal found 4/25$236
Wed 5/87:30 amIND - STL
1 stop4h 40mDelta
Thu 5/96:00 amSTL - IND
1 stop3h 53mDelta
Deal found 4/25$436

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 3,068,117 searches. Prices were last updated on April 26, 2024.
Check out some of the best flight deals from Indianapolis to St. Louis in 2024. Check back regularly for other flight deals.
Wed 5/227:20 pmIND - STL
1 stop24h 20mSpirit Airlines
Wed 5/2911:36 amSTL - IND
1 stop17h 03mSpirit Airlines
Deal found 4/25$187
Thu 5/236:45 amIND - STL
1 stop11h 44mSpirit Airlines
Sun 5/266:19 pmSTL - IND
1 stop14h 38mSpirit Airlines
Deal found 4/26$224
Sat 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
Sat 6/15:15 pmSTL - IND
1 stop14h 42mSpirit Airlines
Deal found 4/25$225
Thu 5/237:00 pmIND - STL
1 stop23h 10mSun Country Air
Sun 5/266:20 pmSTL - IND
1 stop22h 50mSun Country Air
Deal found 4/24$235
Sat 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
Sat 6/15:15 pmSTL - IND
2 stops18h 50mSpirit Airlines
Deal found 4/25$247
Sat 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
Sat 6/15:15 pmSTL - IND
3 stops24h 51mSpirit Airlines
Deal found 4/25$269
Sat 5/255:15 amIND - STL
2 stops16h 15mMultiple Airlines
Sat 6/15:15 pmSTL - IND
3 stops24h 51mMultiple Airlines
Deal found 4/25$293
Fri 5/38:11 pmIND - STL
1 stop15h 29mSpirit Airlines
Sun 5/56:24 pmSTL - IND
1 stop14h 46mSpirit Airlines
Deal found 4/25$299
Thu 5/235:15 amIND - STL
1 stop14h 25mMultiple Airlines
Sun 5/266:20 pmSTL - IND
2 stops23h 46mMultiple Airlines
Deal found 4/24$316

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 3,068,117 searches. Data last updated April 26, 2024.
Check out some of the best flight deals from Indianapolis to St. Louis in 2024. Check back regularly for other flight deals.
Wed 5/227:20 pmIND - STL
1 stop24h 20mSpirit Airlines
Wed 5/2911:36 amSTL - IND
1 stop17h 03mSpirit Airlines
Deal found 4/25$187
Thu 5/236:45 amIND - STL
1 stop11h 44mSpirit Airlines
Sun 5/266:19 pmSTL - IND
1 stop14h 38mSpirit Airlines
Deal found 4/26$224
Sat 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
Sat 6/15:15 pmSTL - IND
1 stop14h 42mSpirit Airlines
Deal found 4/25$225
Thu 5/237:00 pmIND - STL
1 stop23h 10mSun Country Air
Sun 5/266:20 pmSTL - IND
1 stop22h 50mSun Country Air
Deal found 4/24$235
Mon 7/297:59 pmIND - STL
1 stop4h 45mDelta
Sat 8/106:45 amSTL - IND
1 stop5h 41mDelta
Deal found 4/25$236
Sat 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
Sat 6/15:15 pmSTL - IND
2 stops18h 50mSpirit Airlines
Deal found 4/25$247
Thu 7/117:07 pmIND - STL
1 stop5h 27mAmerican Airlines
Tue 7/163:18 pmSTL - IND
1 stop6h 22mAmerican Airlines
Deal found 4/25$251
Sat 5/255:15 amIND - STL
1 stop6h 13mSpirit Airlines
Sat 6/15:15 pmSTL - IND
3 stops24h 51mSpirit Airlines
Deal found 4/25$269
Fri 10/256:52 amIND - STL
1 stop4h 12mAmerican Airlines
Sun 10/276:22 amSTL - IND
1 stop3h 01mAmerican Airlines
Deal found 4/25$274

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 3,068,117 searches. Data last updated April 26, 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.
Fri 5/38:11 pmIND - STL
1 stop15h 29mSpirit Airlines
Sun 5/56:24 pmSTL - IND
1 stop14h 46mSpirit Airlines
Deal found 4/25$299
Fri 5/38:11 pmIND - STL
1 stop15h 29mMultiple Airlines
Sun 5/58:55 pmSTL - IND
3 stops26h 42mMultiple Airlines
Deal found 4/25$370
Fri 5/36:37 amIND - STL
2 stops29h 03mMultiple Airlines
Sun 5/57:00 amSTL - IND
1 stop10h 35mMultiple Airlines
Deal found 4/25$380
Fri 5/36:37 amIND - STL
2 stops29h 03mMultiple Airlines
Sun 5/58:55 pmSTL - IND
3 stops26h 42mMultiple Airlines
Deal found 4/25$443
Fri 5/36:37 amIND - STL
3 stops29h 03mMultiple Airlines
Sun 5/53:55 pmSTL - IND
3 stops31h 42mMultiple Airlines
Deal found 4/25$488

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 3,068,117 searches. Data last updated April 26, 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.
Tue 5/2811:00 amIND - STL
1 stop24h 46mSpirit Airlines
Deal found 4/25$120
Tue 5/285:15 amIND - STL
3 stops30h 31mSpirit Airlines
Deal found 4/25$127
Sun 7/76:05 amIND - STL
1 stop4h 08mDelta
Deal found 4/26$133
Tue 5/285:15 amIND - STL
2 stops30h 31mSpirit Airlines
Deal found 4/25$188
Sun 5/197:15 pmIND - STL
2 stops20h 59mMultiple Airlines
Deal found 4/25$200
Sun 5/196:45 amIND - STL
3 stops31h 05mMultiple Airlines
Deal found 4/25$260
Sun 7/76:45 pmIND - STL
2 stops20h 06mMultiple Airlines
Deal found 4/25$271
Sun 7/72:12 pmIND - STL
3 stops22h 53mMultiple Airlines
Deal found 4/25$351
Sun 7/72:12 pmIND - STL
3 stops22h 53mMultiple Airlines
Deal found 4/26$362

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 3,068,117 searches. Data last updated April 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$187 - $316

Route

Depart

Return

Price

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Wed 5/22

1 stop24h 20m

Lambert-St Louis

Wed 5/29

1 stop17h 03m

$187

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Thu 5/23

1 stop11h 44m

Lambert-St Louis

Sun 5/26

1 stop14h 38m

$224

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Sat 5/25

1 stop6h 13m

Lambert-St Louis

Sat 6/1

1 stop14h 42m

$225

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Thu 5/23

1 stop23h 10m

Lambert-St Louis

Sun 5/26

1 stop22h 50m

$235

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Mon 7/29

1 stop4h 45m

Lambert-St Louis

Sat 8/10

1 stop5h 41m

$236

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Sat 5/25

1 stop6h 13m

Lambert-St Louis

Sat 6/1

2 stops18h 50m

$247

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Thu 7/11

1 stop5h 27m

Lambert-St Louis

Tue 7/16

1 stop6h 22m

$251

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Sat 5/25

2 stops16h 15m

Lambert-St Louis

Sat 6/1

3 stops24h 51m

$293

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Thu 5/23

1 stop14h 25m

Lambert-St Louis

Sun 5/26

2 stops23h 46m

$316

Flights are sorted by cheapest first

Deals found on 4/25

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.
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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 $224 while a round-trip flight costs $246. 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 April 26, 2024.
Peruse reviews from past customers who have flown with American Airlines, Delta and Spirit 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
10,966 reviews
Check prices

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

Delta
8.1
Very good
10,966 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

American Airlines
7.3
Good
14,889 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

Sun Country Air
7.3
Good
658 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

Reviews

1 / 10

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

Spirit Airlines
6.4
Okay
8,746 reviews
Delta
8.1
Very good
10,966 reviews
Check prices

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Entertainment

8.0

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 $187, but on average you can expect to pay $336.

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

    There are currently 5+ 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 $187. Additional round-trip tickets that might be worth considering are offered by Sun Country Air and Delta, with the lowest prices starting at $235 and $236, respectively. Spirit Airlines is 41% 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 Spirit Airlines ($120), Delta ($133), and American Airlines ($514).

  • 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 4/26.

See more FAQs

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

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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 3,068,117 searches. Data last updated April 26, 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%
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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.
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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!

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