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St. Louis

$228+ Cheap flights from Kalamazoo to St. Louis (AZO - STL)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
AZO — STL
Sep 14 — Sep 211
Mon 9/14
Mon 9/21
1 adult, Economy
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Cheap 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 August 15, 2026.

This Delta deal was found by Cheapflights users on 8/14. 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.
Sat 10/242:56 pm -
2 stops9h 58m
Sun 10/256:05 pm -
1 stop4h 51m
Deal found 8/14$294
This Delta deal was found by Cheapflights users on 8/12. 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.
Sun 8/305:27 am -
1 stop5h 10m
Sat 9/56:30 am -
1 stop3h 31m
Deal found 8/12$303
This Delta deal was found by Cheapflights users on 8/10. 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.
Tue 8/253:04 pm -
1 stop3h 34m
Sat 8/2910:33 am -
1 stop5h 47m
Deal found 8/10$318
This Delta deal was found by Cheapflights users on 8/14. 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.
Sat 10/245:30 am -
1 stop5h 14m
Mon 10/266:47 am -
1 stop6h 28m
Deal found 8/14$323
This Delta deal was found by Cheapflights users on 8/10. 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.
Thu 8/203:04 pm -
1 stop3h 34m
Sat 8/226:09 pm -
1 stop3h 24m
Deal found 8/10$358

Find 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 August 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$294
(Delta)

One-way from

$228
(American Airlines)

Popular in

July

Cheapest in

October

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
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One-way flight from Kalamazoo Intl to Lambert-St Louis
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Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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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 August 15, 2026.
Use the filters below to find and compare flights from Kalamazoo to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Sat 10/24

2:56 pm-11:54 pm

2 stops9h 58m

Lambert-St Louis

Sun 10/25

6:05 pm-11:56 pm

1 stop4h 51m

$294
Quickest round-trip

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Sun 8/30

5:27 am-9:37 am

1 stop5h 10m

Lambert-St Louis

Sat 9/5

6:30 am-11:01 am

1 stop3h 31m

$303

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Fri 8/28

3:04 pm-5:38 pm

1 stop3h 34m

Lambert-St Louis

Tue 9/1

5:30 pm-11:52 pm

1 stop5h 22m

$318

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Sat 10/24

5:30 am-9:44 am

1 stop5h 14m

Lambert-St Louis

Mon 10/26

6:47 am-2:15 pm

1 stop6h 28m

$323
Cheapest one-way

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Thu 10/1

4:06 pm-8:44 pm

1 stop5h 38m

$228

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Thu 10/1

5:30 am-10:31 am

2 stops6h 01m

$252
Quickest one-way

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Sun 8/23

3:04 pm-5:38 pm

1 stop3h 34m

$368

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Fri 8/21

3:04 pm-5:38 pm

1 stop3h 34m

$368

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Thu 8/20

3:04 pm-5:38 pm

1 stop3h 34m

$368

KalamazooSt. Louis

AZO Kalamazoo Intl - STL Lambert-St Louis

AZOSTL

Kalamazoo Intl

Sat 8/22

6:35 am-2:33 pm

2 stops8h 58m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Sorted by cheapest first
  • 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.

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 August 15, 2026.
Get a feel of what it's like to fly with Delta 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.
Delta
7.8
Good
8,508 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Delta
7.8
Good
8,508 reviews
Delta
7.8
Good
8,508 reviews

Overall

7.8

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.

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 can get you from Kalamazoo to St. Louis in just under 9h 58m. Your travel time can differ by up to . Kalamazoo and St. Louis are separated by a distance of 349 mi.

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

    According to our current data, Delta ($278), offers the cheapest pricing from Kalamazoo to St. Louis. Delta is currently priced 21% 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.

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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

Browse thousands of different options on Cheapflights for your next trip

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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 August 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$376FlexibilityNo cancel feeOn-timeN/A

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