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$49+ Cheap flights from Indiana to Missouri

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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
IND — STL
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
1 adult, Economy
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Cheap flight deals from Indiana to Missouri

Keep the following information in mind while searching for Indiana to Missouri flight deals. Data was last updated November 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$138
(Southwest)

One-way from

$49
(Southwest)

Popular in

September

Cheapest in

November

Average price

$256

Good round-trip deal

$305 or less
Provider with most accurate pricing for Indianapolis-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Indianapolis-Lambert-St Louis flights.
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From Indiana to Missouri
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One-way flight from Indiana to Missouri
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Indiana to Missouri.
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Find flight deals from Indiana to Missouri

Cheapest flights from Indiana to Missouri
Explore the most affordable flight options available from Indiana to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.

This American Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:10 pmORD - STL
Nonstop1h 26mAmerican Airlines
Tue 1/1311:05 amSTL - ORD
Nonstop1h 29mAmerican Airlines
Deal found 11/24$141
This American Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:52 pmORD - STL
Nonstop1h 32mAmerican Airlines
Wed 12/246:00 amSTL - ORD
Nonstop1h 27mAmerican Airlines
Deal found 11/23$147
This United Airlines deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:50 pmORD - STL
Nonstop1h 28mUnited Airlines
Wed 12/246:30 amSTL - ORD
Nonstop1h 35mUnited Airlines
Deal found 11/25$156
This Southwest deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:50 pmMDW - STL
Nonstop1h 15mSouthwest
Wed 12/2412:00 pmSTL - MDW
1 stop5h 10mSouthwest
Deal found 11/23$157
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:35 pmORD - STL
1 stop7h 06mDelta
Thu 12/256:29 amSTL - ORD
1 stop6h 25mDelta
Deal found 11/23$157
This Frontier deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/113:10 pmMDW - STL
1 stop7h 23mFrontier
Mon 12/153:30 pmSTL - MDW
1 stop6h 28mFrontier
Deal found 11/25$162
This Expedia deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:57 amCVG - STL
1 stop11h 36mFrontier
Mon 12/89:54 amSTL - CVG
1 stop8h 51mFrontier
Deal found 11/24$162
This Frontier deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:53 pmORD - STL
1 stop13h 29mFrontier
Mon 12/1510:47 amSTL - ORD
1 stop6h 40mFrontier
Deal found 11/25$162
This Expedia deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:16 pmCVG - STL
1 stop15h 46mFrontier
Tue 12/304:27 pmSTL - CVG
1 stop24h 17mFrontier
Deal found 11/25$163
This Delta deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:35 amORD - STL
1 stop4h 37mDelta
Tue 1/139:59 amSTL - ORD
1 stop6h 45mDelta
Deal found 11/24$178
This Frontier deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:57 amCVG - STL
1 stop11h 36mFrontier
Mon 12/159:54 amSTL - CVG
1 stop8h 51mFrontier
Deal found 11/25$183
This Frontier deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:10 pmMDW - STL
1 stop7h 23mFrontier
Fri 12/1210:42 amSTL - MDW
1 stop11h 30mFrontier
Deal found 11/23$187

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indiana to Missouri 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 2,558,603 searches. Data last updated November 25, 2025.
Use the filters below to find and compare flights from Indiana to Missouri that are best for you.

Fly from

Indiana

Fly to

Missouri

Route

Depart

Return

Price

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sun 1/18

9:55 am-11:15 am

Nonstop1h 20m

Lambert-St Louis

Wed 1/21

1:10 pm-2:15 pm

Nonstop1h 05m

$138

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Mon 12/22

5:50 pm-7:18 pm

Nonstop1h 28m

Lambert-St Louis

Wed 12/24

6:30 am-8:05 am

Nonstop1h 35m

$156

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 1/15

8:15 am-9:35 am

Nonstop1h 20m

Lambert-St Louis

Sun 1/18

5:55 pm-7:05 pm

Nonstop1h 10m

$156

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sat 1/17

5:00 pm-11:25 pm

1 stop6h 25m

Lambert-St Louis

Sun 1/18

9:59 am-4:29 pm

1 stop6h 30m

$157

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 12/24

1:35 pm-8:41 pm

1 stop7h 06m

Lambert-St Louis

Thu 12/25

6:29 am-12:54 pm

1 stop6h 25m

$157

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 1/17

8:00 am-2:49 pm

1 stop6h 49m

Lambert-St Louis

Sun 1/18

6:35 am-1:08 pm

1 stop6h 33m

$157

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 1/7

5:10 pm-2:48 pm

1 stop21h 38m

Lambert-St Louis

Wed 1/14

8:32 pm-8:03 am

1 stop11h 31m

$158

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Thu 1/8

9:05 pm-7:50 am

1 stop11h 45m

Lambert-St Louis

Mon 1/12

5:06 pm-12:42 am

1 stop6h 36m

$162

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 1/14

1:20 pm-8:35 pm

2 stops7h 15m

Lambert-St Louis

Sat 1/17

7:40 am-8:50 am

Nonstop1h 10m

$162

CincinnatiSt. Louis

CVG - STL

CVGSTL

Cincinnati Cinci./N. Kentucky

Wed 12/3

11:57 am-10:33 pm

1 stop11h 36m

Lambert-St Louis

Mon 12/8

9:54 am-7:45 pm

1 stop8h 51m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 60 results
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Best time to book a flight from Indiana to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Indiana 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.

Cheapflights Insights

Everything you need to know about your flight from Indiana to Missouri

What is the cheapest month to book a flight from Indiana to Missouri?

Currently, September is the cheapest month in which you can book a flight from Indiana to Missouri (average of $75). Flying from Indiana to Missouri in May is currently the most expensive (average of $235). 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.

What is the cheapest time of day to fly from IN to MO?

Find hourly flight availability from Indiana to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Indiana to Missouri in the morning. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Indiana to Missouri?

Use this chart to determine the cheapest time to fly round-trip from Indiana to Missouri. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Indiana to Missouri flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated November 25, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Indiana to Missouri. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,999 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,046 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,038 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

  • How long is the flight from Indiana to Missouri?

    Departing from Indiana to Missouri will take you 1h 20m. There are 251 mi between Indiana and Missouri. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Indiana to Missouri one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $49. United Airlines flights start at $49 while deals on Frontier start at $67 one-way.

  • Can I find deals for flights from Indiana to Missouri that include hotel bookings?

    Yes. In addition to deals on Indiana to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indiana to Missouri?

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

  • Can I find deals for business class flights from Indiana to Missouri?

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

  • What is the cheapest month to book a flight from Indiana to Missouri?

    Currently, September is the cheapest month in which you can book a flight from Indiana to Missouri (average of $75). Flying from Indiana to Missouri in May is currently the most expensive (average of $235). 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 Indiana to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Indiana to Missouri

Discover the top 4 airlines that operate flights from Indiana to Missouri. 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 2,558,603 searches. Data last updated November 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$178Average$334FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$213Average$375FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$345FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$221Average$327FlexibilityNo cancel feeOn-time63%

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