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Cheap flights from Indianapolis to St. Louis (IND - STL) from $75

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 8/7. 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
Jun 14 — Jun 211
From?
To?
Fri 6/14
Fri 6/21
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 June 9, 2024.

Popular in

October

Cheapest in

August

Round-trip from

$318

One-way from

$120
High demand for flights, 40% potential price rise
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Best time to find cheap flights, 34% 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 96%.

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 $321 for the month, but tickets can be as low as $195. Due to multiple factors, prepare for potentially higher prices in October.

What is the cheapest time of day to fly from IND to 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 30% on your trip compared to booking a flight in the morning.

Cheap Indianapolis to St. Louis flights in June & July 2024

Find cheap flight options from Indianapolis to St. Louis specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 9, 2024.
Sat 7/66:40 amIND - STL
1 stop11h 48mMultiple Airlines
Sun 7/76:30 pmSTL - IND
1 stop22h 49mMultiple Airlines
Deal found 6/7$229
Sun 6/1611:15 amIND - STL
1 stop23h 14mFrontier
Sat 6/228:02 pmSTL - IND
1 stop13h 11mFrontier
Deal found 6/8$268
Sat 7/66:40 amIND - STL
1 stop11h 48mSpirit Airlines
Sun 7/75:22 pmSTL - IND
2 stops30h 58mSpirit Airlines
Deal found 6/7$284
Sat 7/66:40 amIND - STL
3 stops29h 50mMultiple Airlines
Sun 7/76:55 pmSTL - IND
1 stop16h 33mMultiple Airlines
Deal found 6/7$416
Fri 6/1412:40 pmIND - STL
2 stops29h 48mMultiple Airlines
Sun 6/166:30 amSTL - IND
1 stop10h 39mMultiple Airlines
Deal found 6/8$424
Sun 6/910:57 amIND - STL
1 stop23h 32mFrontier
Tue 6/117:44 pmSTL - IND
1 stop21h 37mFrontier
Deal found 6/8$437
Sat 7/66:40 amIND - STL
3 stops29h 50mMultiple Airlines
Sun 7/76:55 pmSTL - IND
2 stops21h 04mMultiple Airlines
Deal found 6/7$446
Sun 6/910:57 amIND - STL
1 stop23h 32mFrontier
Mon 6/106:16 pmSTL - IND
1 stop22h 53mFrontier
Deal found 6/9$477
Fri 6/144:06 pmIND - STL
3 stops26h 22mMultiple Airlines
Sun 6/166:30 amSTL - IND
1 stop10h 39mMultiple Airlines
Deal found 6/8$481

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 3,020,828 searches. Data last updated June 9, 2024.
Sat 7/66:40 amIND - STL
1 stop11h 48mMultiple Airlines
Sun 7/76:30 pmSTL - IND
1 stop22h 49mMultiple Airlines
Deal found 6/7$229
Fri 10/255:47 pmIND - STL
1 stop6h 33mAmerican Airlines
Sun 10/276:22 amSTL - IND
1 stop3h 01mAmerican Airlines
Deal found 6/8$266
Sun 6/1611:15 amIND - STL
1 stop23h 14mFrontier
Sat 6/228:02 pmSTL - IND
1 stop13h 11mFrontier
Deal found 6/8$268
Sat 7/66:40 amIND - STL
1 stop11h 48mSpirit Airlines
Sun 7/75:22 pmSTL - IND
2 stops30h 58mSpirit Airlines
Deal found 6/7$284
Sat 7/66:40 amIND - STL
3 stops29h 50mMultiple Airlines
Sun 7/76:55 pmSTL - IND
1 stop16h 33mMultiple Airlines
Deal found 6/7$416
Fri 6/1412:40 pmIND - STL
2 stops29h 48mMultiple Airlines
Sun 6/166:30 amSTL - IND
1 stop10h 39mMultiple Airlines
Deal found 6/8$424
Sun 6/910:57 amIND - STL
1 stop23h 32mFrontier
Tue 6/117:44 pmSTL - IND
1 stop21h 37mFrontier
Deal found 6/8$437
Sat 7/66:40 amIND - STL
3 stops29h 50mMultiple Airlines
Sun 7/76:55 pmSTL - IND
2 stops21h 04mMultiple Airlines
Deal found 6/7$446
Sun 6/910:57 amIND - STL
1 stop23h 32mFrontier
Mon 6/106:16 pmSTL - IND
1 stop22h 53mFrontier
Deal found 6/9$477

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 3,020,828 searches. Data last updated June 9, 2024.
Sun 6/1611:15 amIND - STL
1 stop23h 14mFrontier
Sat 6/228:02 pmSTL - IND
1 stop13h 11mFrontier
Deal found 6/8$268
Fri 6/1412:40 pmIND - STL
2 stops29h 48mMultiple Airlines
Sun 6/166:30 amSTL - IND
1 stop10h 39mMultiple Airlines
Deal found 6/8$424
Fri 6/144:06 pmIND - STL
3 stops26h 22mMultiple Airlines
Sun 6/166:30 amSTL - IND
1 stop10h 39mMultiple Airlines
Deal found 6/8$481
Fri 6/143:33 pmIND - STL
1 stop18h 56mFrontier
Sun 6/167:44 pmSTL - IND
1 stop21h 14mFrontier
Deal found 6/8$501
Fri 6/148:19 pmIND - STL
2 stops22h 09mMultiple Airlines
Sun 6/162:00 pmSTL - IND
3 stops34h 20mMultiple Airlines
Deal found 6/8$574
Fri 6/144:06 pmIND - STL
3 stops26h 22mMultiple Airlines
Sun 6/162:00 pmSTL - IND
3 stops34h 20mMultiple Airlines
Deal found 6/8$589
Sun 6/1611:30 amIND - STL
1 stop5h 11mUnited Airlines
Sat 6/226:30 amSTL - IND
2 stops7h 15mUnited Airlines
Deal found 6/8$688

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 3,020,828 searches. Data last updated June 9, 2024.
Wed 8/77:00 pmIND - STL
1 stop14h 43mFrontier
Deal found 6/9$75
Sun 6/1611:15 amIND - STL
1 stop23h 14mFrontier
Deal found 6/8$120
Wed 8/76:46 amIND - STL
3 stops29h 59mMultiple Airlines
Deal found 6/9$170
Wed 8/78:18 amIND - STL
2 stops12h 29mAmerican Airlines
Deal found 6/9$243
Sun 6/162:12 pmIND - STL
3 stops22h 33mMultiple Airlines
Deal found 6/8$254
Sun 6/167:25 pmIND - STL
2 stops19h 26mSpirit Airlines
Deal found 6/8$351
Sun 6/167:22 amIND - STL
2 stops7h 54mUnited Airlines
Deal found 6/8$462

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 3,020,828 searches. Data last updated June 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$229 - $446

Route

Depart

Return

Price

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Sat 7/6

1 stop11h 48m

Lambert-St Louis

Sun 7/7

1 stop22h 49m

$229

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Fri 10/25

1 stop6h 33m

Lambert-St Louis

Sun 10/27

1 stop3h 01m

$266

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Sat 7/6

1 stop11h 48m

Lambert-St Louis

Sun 7/7

2 stops30h 58m

$284

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Sat 7/6

3 stops29h 50m

Lambert-St Louis

Sun 7/7

1 stop16h 33m

$416

IndianapolisLambert-St Louis

IND - STL

INDSTL

Indianapolis

Sat 7/6

3 stops29h 50m

Lambert-St Louis

Sun 7/7

2 stops21h 04m

$446

Flights are sorted by cheapest first

Deals found on 6/7

What is the cheapest day 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 June 2, 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

Best time to book a flight from Indianapolis to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Indianapolis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 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 June 9, 2024.
United Airlines
7.4
Good
10,661 reviews

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

United Airlines
7.4
Good
10,661 reviews
United Airlines
7.4
Good
10,661 reviews

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

American Airlines
7.3
Good
14,172 reviews
United Airlines
7.4
Good
10,661 reviews

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Spirit Airlines
6.4
Okay
8,553 reviews
United Airlines
7.4
Good
10,661 reviews

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Frontier
6.2
Okay
3,975 reviews
United Airlines
7.4
Good
10,661 reviews

Comfort

7.2

Food

6.7

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 10

Basic and no-frills. Late timing put pressure on disembarking and making connections.

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 $300 on Cheapflights?

    Yes, there are multiple flights from Indianapolis to St. Louis for under $300. The cheapest flight booked recently is on Multiple Airlines for just $229, but on average you can expect to pay $328.

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

    There are currently 7+ 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 American Airlines is currently your cheapest option to St. Louis, with prices starting at $266. Another option worth looking into is Spirit Airlines, starting at $284 round trip. American Airlines is 17% 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 Frontier ($75), American Airlines ($243), and Spirit Airlines ($351).

  • 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 6/9.

  • 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 is the cheapest month to book a flight from Indianapolis to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Indianapolis to St. Louis (average of $318). Flying from Indianapolis to St. Louis in July is currently the most expensive (average of $365). 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.

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 3,020,828 searches. Data last updated June 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$195Average$267FlexibilityNo cancel feeOn-time71%
DeltaCheapest$234Average$244FlexibilityNo cancel feeOn-timeN/A
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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Prem Econ Class
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