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Waterloo

A rural landscape with a winding dirt road, fields of golden crops, and scattered trees.

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Waterloo Flights as Low as $58

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

All deals

One way

Roundtrip

Tue, Aug 4 - Tue, Aug 4

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$58

Roundtrip

found 4 hours ago

Wed, Jul 29 - Sat, Aug 1

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$63

Roundtrip

found 11 hours ago

Thu, Aug 6 - Wed, Aug 12

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$66

Roundtrip

found 11 hours ago

Wed, Aug 5 - Wed, Aug 12

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$68

Roundtrip

found 11 hours ago

Sat, Aug 1 - Wed, Aug 12

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$68

Roundtrip

found 11 hours ago

Wed, Aug 12 - Fri, Sep 4

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$78

Roundtrip

found 2 days ago

Sat, Aug 29 - Sat, Aug 29

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$114

Roundtrip

found 11 hours ago

Tue, Sep 22 - Tue, Sep 29

MSP

Minneapolis - St. Paul Intl.

STL

Lambert-St. Louis Intl.

$117

Roundtrip

found 5 days ago

Tue, Aug 11 - Sat, Aug 22

MSP

Minneapolis - St. Paul Intl.

STL

Lambert-St. Louis Intl.

$193

Roundtrip

just found

Wed, Aug 12 - Tue, Aug 25

ATL

Hartsfield-Jackson Atlanta Intl.

STL

Lambert-St. Louis Intl.

$206

Roundtrip

found 11 hours ago

Wed, Nov 11 - Sat, Nov 14

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$212

Roundtrip

found 2 days ago

Mon, Aug 17 - Sun, Aug 30

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$213

Roundtrip

found 2 days ago

Wed, Jul 29 - Tue, Aug 4

ORF

Norfolk Intl.

STL

Lambert-St. Louis Intl.

$271

Roundtrip

found 3 days ago

Tue, Nov 17 - Thu, Nov 26

ROC

Greater Rochester Intl.

STL

Lambert-St. Louis Intl.

$303

Roundtrip

found 22 hours ago

Tue, Sep 1 - Tue, Sep 8

LAS

Harry Reid Intl.

STL

Lambert-St. Louis Intl.

$360

Roundtrip

found 2 days ago

Sat, Aug 8 - Mon, Aug 10

MEM

Memphis Intl.

STL

Lambert-St. Louis Intl.

$379

Roundtrip

found 1 day ago

Cheap Flights to Waterloo

Fall in love at first flight with your vacation to Waterloo by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Waterloo on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Waterloo, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Waterloo

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Waterloo with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the STL airport.

What is the cheapest month to fly to Waterloo?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Waterloo are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Waterloo?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 13 to choose from for your flight to Waterloo.

What airport is best to fly into Waterloo?

When you’re planning your trip to Waterloo, convenience is the name of the game. Luckily, Waterloo MidAmerica-St. Louis Airport is nearby so you can deplane and get going on checking off everything on your Waterloo must-do list.

How much are flights to Waterloo?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Waterloo on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $58, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Waterloo?

The trick to saving a stack of cash on your flight to Waterloo? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $58 right now, why wait?

Waterloo Flight Information
Destination airport	Lambert-St. Louis Intl.
Destination airport IATA code	STL
Roundtrip price	$57

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Live by Loews - St.Louis

799 Clark ave St. Louis MO

Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Our guests praise the bar and the helpful ...

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Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

3550 Samuel Sheppard Drive St. Louis MO

Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Our guests praise the helpful staff ...

9/10 Wonderful! (1,075 reviews)

"Nice clean room nice staff and awesome view on rooftop right around the corner from the best steakhouse"

Reviewed on Jul 16, 2026

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Drury Plaza Hotel St. Louis Union Station

201 S 20th St St. Louis MO

Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...

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See all 1,267 properties in Waterloo

Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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