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Waterloo

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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.

Frontier Airlines
Thu, Jul 10 - Sat, Jul 19
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, found 2 days ago
$58
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Jul 10 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jul 19, priced at $58 found 2 days ago
Spirit Airlines
Fri, Jul 18 - Mon, Aug 4
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$60 Roundtrip, found 1 day ago
$60
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Jul 18 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $60 found 1 day ago
Spirit Airlines
Fri, Jul 18 - Fri, Jul 18
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$70 Roundtrip, found 16 hours ago
$70
Roundtrip
found 16 hours ago
Select Spirit Airlines flight, departing Fri, Jul 18 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Jul 18, priced at $70 found 16 hours ago
Spirit Airlines
Fri, Jul 18 - Sun, Jul 20
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$71 Roundtrip, found 1 day ago
$71
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Jul 18 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Sun, Jul 20, priced at $71 found 1 day ago
Frontier Airlines
Sat, Oct 4 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$108 Roundtrip, found 10 hours ago
$108
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Oct 4 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $108 found 10 hours ago
Delta
Fri, Jul 18 - Fri, Jul 18
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$123 Roundtrip, found 16 hours ago
$123
Roundtrip
found 16 hours ago
Select Delta flight, departing Fri, Jul 18 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Jul 18, priced at $123 found 16 hours ago
United
Sat, Oct 4 - Tue, Oct 14
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$157 Roundtrip, found 2 hours ago
$157
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 4 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Oct 14, priced at $157 found 2 hours ago
American Airlines
Thu, Nov 27 - Wed, Dec 3
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 8 hours ago
$159
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Thu, Nov 27 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Dec 3, priced at $159 found 8 hours ago
Southern Airways Express
Tue, Jul 1 - Fri, Jul 4
BNA
Nashville Intl.
STL
Lambert-St. Louis Intl.
$177 Roundtrip, found 4 days ago
$177
Roundtrip
found 4 days ago
Select Southern Airways Express flight, departing Tue, Jul 1 from Nashville Intl. to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $177 found 4 days ago
Delta
Tue, Aug 26 - Tue, Aug 26
DAL
Love Field
STL
Lambert-St. Louis Intl.
$194 Roundtrip, found 10 hours ago
$194
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Aug 26 from Love Field to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $194 found 10 hours ago
American Airlines
Tue, Nov 18 - Wed, Nov 19
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 8 hours ago
$197
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Tue, Nov 18 from LaGuardia to Lambert-St. Louis Intl., returning Wed, Nov 19, priced at $197 found 8 hours ago
United
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$198 Roundtrip, found 9 hours ago
$198
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Aug 30 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sat, Sep 6, priced at $198 found 9 hours ago
Bargain Flight
Thu, Nov 6 - Mon, Nov 10
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$206 Roundtrip, just found
$206
Roundtrip
just found
Select Bargain Flight flight, departing Thu, Nov 6 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Mon, Nov 10, priced at $206 just found
American Airlines
Tue, Sep 2 - Wed, Sep 3
MSY
Louis Armstrong New Orleans Intl.
STL
Lambert-St. Louis Intl.
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Sep 2 from Louis Armstrong New Orleans Intl. to Lambert-St. Louis Intl., returning Wed, Sep 3, priced at $207 found 1 day ago
American Airlines
Sat, Oct 25 - Mon, Oct 27
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$242 Roundtrip, found 3 days ago
$242
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 25 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Oct 27, priced at $242 found 3 days ago
Hawaiian Airlines
Mon, Aug 25 - Mon, Sep 1
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Mon, Aug 25 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Mon, Sep 1, priced at $249 found 2 days 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 July, 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 15 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 Lambert-St. Louis Intl. 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
$58

Last Minute Hotel Deals in Waterloo

Hyatt Regency St. Louis at The Arch
Hyatt Regency St. Louis at The Arch
4 out of 5
315 Chestnut St, St. Louis, MO
Stay at this 4-star business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (3,798 reviews)
"Place was awesome location hotel everything"

Reviewed on Jun 27, 2025

Get rates
Hyatt Regency St. Louis at The Arch
The Arch Convention Hotel
The Arch Convention Hotel
3.5 out of 5
811 N 9th Street, St. Louis, MO
Stay at this 3.5-star business-friendly hotel in St. Louis. Enjoy free WiFi, a 24-hour fitness center, and parking (surcharge). Our guests praise the helpful ...
7/10 Good! (1,006 reviews)
"Very comfy and quiet"

Reviewed on Jun 25, 2025

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The Arch Convention Hotel
Drury Plaza Hotel St. Louis at the Arch
Drury Plaza Hotel St. Louis at the Arch
3 out of 5
2 South 4th Street, St. Louis, MO
Stay at this 3-star business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the pool ...
9.4/10 Exceptional! (2,781 reviews)
"What is not to like . . the pool - the view- the breakfast - the parking - walking distance cordial welcome at check in"

Reviewed on Jun 27, 2025

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Drury Plaza Hotel St. Louis at the Arch
Pear Tree Inn St. Louis Near Union Station
Pear Tree Inn St. Louis Near Union Station
3 out of 5
2211 Market Street, St. Louis, MO
Stay at this 3-star business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant ...
8.8/10 Excellent! (1,446 reviews)
"It's a very convenient place"

Reviewed on Jun 24, 2025

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Pear Tree Inn St. Louis Near Union Station
Magnolia Hotel St. Louis, a Tribute Portfolio Hotel
Magnolia Hotel St. Louis, a Tribute Portfolio Hotel
4 out of 5
421 N 8th St, St. Louis, MO
Stay at this 4-star business-friendly hotel in St. Louis. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the bar and the helpful ...
8.6/10 Excellent! (1,028 reviews)
Overnight luxury.
"Wonderful stay in this magnificant hotel, definitely worth it if you get a chance."

Reviewed on Jun 28, 2025

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Magnolia Hotel St. Louis, a Tribute Portfolio Hotel
Hilton St. Louis at the Ballpark
Hilton St. Louis at the Ballpark
4 out of 5
1 S Broadway, St. Louis, MO
Stay at this 4-star business-friendly hotel in St. Louis. Enjoy 3 restaurants, 3 bars/lounges, and a rooftop terrace. Our guests praise the clean rooms in our ...
7.4/10 Good! (1,008 reviews)
"The parking is a bit far away. I did feel safe walking to get my car. Breakfast buffet was excellent every day."

Reviewed on Jun 23, 2025

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Hilton St. Louis at the Ballpark
21C Museum Hotel St Louis
21C Museum Hotel St Louis
4.5 out of 5
1528 Locust street, St. Louis, MO
Stay at this 4.5-star luxury hotel in St. Louis. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the pool and the restaurant in our ...
9/10 Wonderful! (1,199 reviews)
"Excellent short stay for a Cardinals game. Perfect location. We really appreciated the assistance of the evening valet, I think his name was Kevin, who suggested and arranged a golf cart shuttle to Busch Stadium. Very comfortable, fresh room. My only suggestion for all the 21c hotels is an update ..."

Reviewed on Jun 26, 2025

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21C Museum Hotel St Louis
Casino Queen Hotel
Casino Queen Hotel
3 out of 5
200 Front Street, East St. Louis, IL
Stay at this 3-star business-friendly hotel in East St. Louis. Enjoy free WiFi, free parking, and a casino. Our guests praise the helpful staff and the clean ...
7.6/10 Good! (1,822 reviews)
"Only bad thing was the refrigerator didn’t work."

Reviewed on Jun 27, 2025

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Casino Queen Hotel
See all 1,106 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.