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$316+ Cheap flights from Kalamazoo to St. Louis (AZO - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
AZO — STL
Oct 28 — Nov 41
Tue 10/28
Tue 11/4
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Kalamazoo to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Kalamazoo (AZO) 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 September 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$316
(Delta)

Popular in

March

Cheapest in

August

Average price

$358
Provider with most accurate pricing for Kalamazoo Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Kalamazoo Intl-Lambert-St Louis flights.
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From Kalamazoo Intl to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Kalamazoo to St. Louis

Cheapest flights from Kalamazoo to St. Louis
Explore the most affordable flight options available from Kalamazoo to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2025.

This Delta deal was found by Cheapflights users on 9/27. 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.
Fri 12/56:09 pmAZO - STL
1 stop3h 38mDelta
Sun 12/76:39 amSTL - AZO
1 stop3h 27mDelta
Deal found 9/27$316
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Fri 12/56:00 amAZO - STL
1 stop3h 08mAmerican Airlines
Sun 12/77:12 amSTL - AZO
2 stops7h 45mAmerican Airlines
Deal found 9/27$322

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalamazoo 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 2,558,603 searches. Data last updated September 28, 2025.
Use the filters below to find and compare flights from Kalamazoo to St. Louis that are best for you.

Fly from

Kalamazoo

Fly to

St. Louis

Route

Depart

Return

Price

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Fri 12/5

6:09 pm-8:47 pm

1 stop3h 38m

Lambert-St Louis

Sun 12/7

6:39 am-11:06 am

1 stop3h 27m

$316

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Fri 12/5

6:00 am-8:08 am

1 stop3h 08m

Lambert-St Louis

Sun 12/7

7:12 am-3:57 pm

2 stops7h 45m

$322

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 10/7

5:56 pm-8:23 pm

1 stop3h 27m

$325

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 10/7

5:30 am-12:03 am

3 stops43h 33m

$1,097

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Compare providers for flights from Kalamazoo to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kalamazoo to St. Louis in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kalamazoo-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalamazoo-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalamazoo-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalamazoo-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalamazoo-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Kalamazoo 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 Kalamazoo to St. Louis

What is the cheapest month to book a flight from Kalamazoo to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Kalamazoo to St. Louis (average of $311). Flying from Kalamazoo to St. Louis in March is currently the most expensive (average of $356). 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 AZO to STL?

Find hourly flight availability from Kalamazoo to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Kalamazoo to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the afternoon.

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 September 28, 2025.
Get a feel of what it's like to fly with American Airlines from Kalamazoo to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Kalamazoo to St. Louis. 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 Kalamazoo to St. Louis?

    Delta and American Airlines can get you from Kalamazoo to St. Louis in just under 3h 08m. Your travel time can differ by up to 30m. Kalamazoo and St. Louis are separated by a distance of 349 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Kalamazoo to St. Louis round-trip?

    According to our current data, American Airlines ($246), offers the cheapest pricing from Kalamazoo to St. Louis. American Airlines is currently priced 33% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kalamazoo 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.

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

    Currently, August is the cheapest month in which you can book a flight from Kalamazoo to St. Louis (average of $311). Flying from Kalamazoo to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top airline flying from Kalamazoo to St. Louis

Discover the top airline that operate flights from Kalamazoo 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 2,558,603 searches. Data last updated September 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$383FlexibilityNo cancel feeOn-time71%

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