What airlines fly to St. Louis?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to St. Louis from Kalamazoo according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Kalamazoo Intl Airport to Lambert-St Louis Airport?

Prices for flights from Kalamazoo Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Kalamazoo Intl Airport to Lambert-St Louis Airport?

The number of operators available for flights from Kalamazoo Intl Airport to Lambert-St Louis Airport is 1 as of December 2025.

How old do you have to be to fly from Kalamazoo Intl Airport to Lambert-St Louis Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kalamazoo Intl Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$233 Cheap Flights from Kalamazoo to St. Louis in 2025/26

1 adult

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Find the cheapest flights from Kalamazoo to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:00 pm - 4:37 pm

AZO

STL

4h 37m1 stop

6:35 am - 12:02 pm

STL

AZO

4h 27m1 stop

$296Delta

Tue, Feb 10 - Tue, Feb 17

1:00 pm - 8:37 pm

AZO

STL

8h 37m2 stops

6:35 am - 12:02 pm

STL

AZO

4h 27m1 stop

$302Delta

Tue, Feb 10 - Tue, Feb 17

7:00 am - 4:14 pm

AZO

STL

10h 14m2 stops

6:00 am - 2:22 pm

STL

AZO

7h 22m2 stops

$307American Airlines

Tue, Feb 10 - Tue, Feb 17

2:10 pm - 5:01 pm

AZO

STL

3h 51m1 stop

5:56 pm - 10:20 pm

STL

AZO

3h 24m1 stop

$488Delta

Sun, Jan 4 - Thu, Jan 8

6:30 am - 9:24 am

AZO

STL

3h 54m1 stop

9:59 am - 5:12 pm

STL

AZO

6h 13m2 stops

$494Delta

Sun, Jan 4 - Thu, Jan 8

5:50 am - 1:14 pm

AZO

STL

8h 24m2 stops

9:34 am - 10:58 pm

STL

AZO

12h 24m2 stops

$548American Airlines

Sun, Jan 4 - Thu, Jan 8

Delta flights from Kalamazoo to St. Louis

Our best Delta deals on Kalamazoo to St. Louis flight tickets

Delta

Feb 10

AZO1:00 pmKalamazoo Intl

4h 37m

1 stop

STL4:37 pmLambert-St Louis

Feb 17

STL6:35 amLambert-St Louis

4h 27m

1 stop

AZO12:02 pmKalamazoo Intl

$296

Find similar

Delta

Feb 10

AZO1:00 pmKalamazoo Intl

8h 37m

2 stops

STL8:37 pmLambert-St Louis

Feb 17

STL6:35 amLambert-St Louis

4h 27m

1 stop

AZO12:02 pmKalamazoo Intl

$302

Find similar

Delta

Jan 4

AZO2:10 pmKalamazoo Intl

3h 51m

1 stop

STL5:01 pmLambert-St Louis

Jan 8

STL5:56 pmLambert-St Louis

3h 24m

1 stop

AZO10:20 pmKalamazoo Intl

$488

Find similar

American Airlines flights from Kalamazoo to St. Louis

Our best American Airlines deals on Kalamazoo to St. Louis flight tickets

American Airlines

Feb 10

AZO7:00 amKalamazoo Intl

10h 14m

2 stops

STL4:14 pmLambert-St Louis

Feb 17

STL6:00 amLambert-St Louis

7h 22m

2 stops

AZO2:22 pmKalamazoo Intl

$307

Find similar

American Airlines

Jan 4

AZO5:50 amKalamazoo Intl

8h 24m

2 stops

STL1:14 pmLambert-St Louis

Jan 8

STL9:34 amLambert-St Louis

12h 24m

2 stops

AZO10:58 pmKalamazoo Intl

$548

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 2/10

1:00 pm-4:37 pm

1 stop4h 37m

Lambert-St Louis

Tue 2/17

6:35 am-12:02 pm

1 stop4h 27m

$296

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 2/10

1:00 pm-8:37 pm

2 stops8h 37m

Lambert-St Louis

Tue 2/17

6:35 am-12:02 pm

1 stop4h 27m

$302

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Tue 2/10

7:00 am-4:14 pm

2 stops10h 14m

Lambert-St Louis

Tue 2/17

6:00 am-2:22 pm

2 stops7h 22m

$307

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Sun 1/4

2:10 pm-5:01 pm

1 stop3h 51m

Lambert-St Louis

Thu 1/8

5:56 pm-10:20 pm

1 stop3h 24m

$488

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Sun 1/4

6:30 am-9:24 am

1 stop3h 54m

Lambert-St Louis

Thu 1/8

9:59 am-5:12 pm

2 stops6h 13m

$494

KalamazooSt. Louis

AZO - STL

AZOSTL

Kalamazoo Intl

Sun 1/4

5:50 am-1:14 pm

2 stops8h 24m

Lambert-St Louis

Thu 1/8

9:34 am-10:58 pm

2 stops12h 24m

$548

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Kalamazoo to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $325. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $378. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Kalamazoo in the morning is the least expensive time of day to depart. momondo users have found prices as low as $324 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $385 per ticket.

When to book flights from Kalamazoo to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Kalamazoo to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Kalamazoo to St. Louis (AZO to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalamazoo to St. Louis

Fastest flight time	3h 51m
Direct flights	None

The fastest flight from Kalamazoo to St. Louis takes 3h 51m

There are no direct flights from Kalamazoo to St. Louis. There are no popular flight routes from Kalamazoo to St. Louis.

Search flight deals

How far is Kalamazoo Intl to Lambert-St Louis by plane?
The distance between Kalamazoo Intl and Lambert-St Louis is about 350.2 mi. A reasonable flight in good conditions will take 3h 51m.
When did momondo last update prices for flights from Kalamazoo Intl Airport to Lambert-St Louis Airport?
Prices for flights from Kalamazoo Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Kalamazoo Intl Airport to Lambert-St Louis Airport?
The number of operators available for flights from Kalamazoo Intl Airport to Lambert-St Louis Airport is 1 as of December 2025.
How old do you have to be to fly from Kalamazoo Intl Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kalamazoo Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Kalamazoo to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Kalamazoo to St. Louis is American Airlines (100% of total bookings).

Best airlines flying from Kalamazoo to St. Louis

Compare and see reviews for airlines that fly from Kalamazoo to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $246	Free Cancellation	Rating 7.2 11,052 reviews		Search American Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

St. Peters

Wentzville

Collinsville

Alton

Farmington

Clayton

Festus

Glencoe

Eureka

Edwardsville

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Kalamazoo to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kalamazoo to St. Louis for you.

Can I find flights from Kalamazoo to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Kalamazoo which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kalamazoo to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Kalamazoo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Kalamazoo to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Kalamazoo and alert you when they change.