When did momondo last update prices for flights from Waterloo Airport to Missouri?

Prices for flights from Waterloo Airport to Missouri are refreshed on a daily basis.

How old do you have to be to fly from Waterloo Airport to Missouri?

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 Waterloo Airport to Missouri.

What documentation or ID do you need to fly to Missouri?

The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$279 Cheap Flights from Waterloo to Missouri in 2025/26

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Find the cheapest flights from Waterloo, Iowa to Missouri

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 am - 9:25 amALO-STL

3h 20m1 stop

7:50 am - 2:27 pmSTL-ALO

6h 37m1 stop

$279American Airlines

Find Deal

Sat, Apr 25 - Wed, Apr 29

6:05 am - 4:11 pmALO-STL

10h 06m2 stops

7:50 am - 2:27 pmSTL-ALO

6h 37m1 stop

$284American Airlines

Find Deal

Sat, Apr 25 - Wed, Apr 29

6:05 am - 4:11 pmALO-STL

10h 06m2 stops

5:29 am - 2:27 pmSTL-ALO

8h 58m2 stops

$289American Airlines

Find Deal

Sat, Apr 25 - Wed, Apr 29

6:00 am - 11:05 amALO-STL

5h 05m1 stop

11:14 am - 2:27 pmSTL-ALO

3h 13m1 stop

$339American Airlines

Find Deal

Sat, Apr 4 - Wed, Apr 8

6:00 am - 4:09 pmALO-STL

10h 09m2 stops

11:14 am - 2:27 pmSTL-ALO

3h 13m1 stop

$344American Airlines

Find Deal

Sat, Apr 4 - Wed, Apr 8

6:00 am - 4:09 pmALO-STL

10h 09m2 stops

9:45 am - 9:42 pmSTL-ALO

11h 57m2 stops

$439American Airlines

Find Deal

Sat, Apr 4 - Wed, Apr 8

3:17 pm - 8:09 amALO-STL

16h 52m1 stop

3:43 pm - 2:50 pmSTL-ALO

23h 07m1 stop

$781American Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

American Airlines flights from Waterloo, Iowa to Missouri

Our best American Airlines deals on Waterloo, Iowa to Missouri flight tickets

American Airlines

Apr 25

ALO6:05 amWaterloo

3h 20m

1 stop

STL9:25 amLambert-St Louis

Apr 29

STL7:50 amLambert-St Louis

6h 37m

1 stop

ALO2:27 pmWaterloo

$279

Find similar

American Airlines

Apr 25

ALO6:05 amWaterloo

10h 06m

2 stops

STL4:11 pmLambert-St Louis

Apr 29

STL7:50 amLambert-St Louis

6h 37m

1 stop

ALO2:27 pmWaterloo

$284

Find similar

American Airlines

Apr 25

ALO6:05 amWaterloo

10h 06m

2 stops

STL4:11 pmLambert-St Louis

Apr 29

STL5:29 amLambert-St Louis

8h 58m

2 stops

ALO2:27 pmWaterloo

$289

Find similar

Fly from

Fly to

Route

Depart

Return

Price

WaterlooSt. Louis

ALO - STL

ALOSTL

Waterloo

Sat 4/25

6:05 am-9:25 am

1 stop3h 20m

Lambert-St Louis

Wed 4/29

7:50 am-2:27 pm

1 stop6h 37m

$279

WaterlooSt. Louis

ALO - STL

ALOSTL

Waterloo

Sat 4/25

6:05 am-4:11 pm

2 stops10h 06m

Lambert-St Louis

Wed 4/29

7:50 am-2:27 pm

1 stop6h 37m

$284

WaterlooSt. Louis

ALO - STL

ALOSTL

Waterloo

Sat 4/25

6:05 am-4:11 pm

2 stops10h 06m

Lambert-St Louis

Wed 4/29

5:29 am-2:27 pm

2 stops8h 58m

$289

WaterlooSt. Louis

ALO - STL

ALOSTL

Waterloo

Sat 4/4

6:00 am-11:05 am

1 stop5h 05m

Lambert-St Louis

Wed 4/8

11:14 am-2:27 pm

1 stop3h 13m

$339

WaterlooSt. Louis

ALO - STL

ALOSTL

Waterloo

Sat 4/4

6:00 am-4:09 pm

2 stops10h 09m

Lambert-St Louis

Wed 4/8

11:14 am-2:27 pm

1 stop3h 13m

$344

WaterlooSt. Louis

ALO - STL

ALOSTL

Waterloo

Sat 4/4

6:00 am-4:09 pm

2 stops10h 09m

Lambert-St Louis

Wed 4/8

9:45 am-9:42 pm

2 stops11h 57m

$439

WaterlooSt. Louis

ALO - STL

ALOSTL

Waterloo

Thu 11/20

3:17 pm-8:09 am

1 stop16h 52m

Lambert-St Louis

Mon 11/24

3:43 pm-2:50 pm

1 stop23h 07m

$781

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Waterloo, Iowa to Missouri

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

What airlines fly to Missouri?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Missouri from Waterloo, Iowa according to our data. Southwest is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 3 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

Cheap Waterloo, Iowa to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Waterloo, Iowa to Missouri

Direct flights	None

There are no direct flights from Waterloo, Iowa to Missouri. There are no popular flight routes from Waterloo, Iowa to Missouri.

Search flight deals

When did momondo last update prices for flights from Waterloo Airport to Missouri?
Prices for flights from Waterloo Airport to Missouri are refreshed on a daily basis.
How old do you have to be to fly from Waterloo Airport to Missouri?
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 Waterloo Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Waterloo to Missouri?

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 Waterloo to Missouri for you.

Can I find flights from Waterloo to Missouri with flexible booking policies on momondo?

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

How can momondo help me find flights from Waterloo to Missouri?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Missouri from Waterloo.

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

Price alerts on flights to Missouri from Waterloo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.