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Waterloo

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Waterloo Flights as Low as $116

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

Frontier Airlines
Sat, Jul 26 - Sat, Aug 2
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$116 Roundtrip, found 1 day ago
$116
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jul 26 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $116 found 1 day ago
Frontier Airlines
Sun, Jul 6 - Sat, Jul 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$126 Roundtrip, found 3 hours ago
$126
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Jul 6 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jul 12, priced at $126 found 3 hours ago
Frontier Airlines
Thu, Jul 24 - Sat, Jul 26
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$128 Roundtrip, found 2 hours ago
$128
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Jul 24 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jul 26, priced at $128 found 2 hours ago
United
Wed, Aug 27 - Thu, Sep 4
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$166 Roundtrip, found 1 day ago
$166
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $166 found 1 day ago
Spirit Airlines
Sun, Jul 20 - Mon, Jul 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$169 Roundtrip, found 1 day ago
$169
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sun, Jul 20 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Jul 21, priced at $169 found 1 day ago
Spirit Airlines
Mon, Jun 16 - Tue, Jul 15
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$170 Roundtrip, found 22 hours ago
$170
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Mon, Jun 16 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Tue, Jul 15, priced at $170 found 22 hours ago
American Airlines
Wed, Aug 27 - Thu, Sep 4
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$175 Roundtrip, found 1 day ago
$175
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $175 found 1 day ago
Delta
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 30 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sat, Sep 6, priced at $177 found 1 day ago
Bargain Flight
Tue, Sep 9 - Mon, Sep 15
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Tue, Sep 9 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Mon, Sep 15, priced at $205 found 4 days ago
Hawaiian Airlines
Tue, Aug 26 - Wed, Sep 3
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Aug 26 from San Francisco Intl. to Lambert-St. Louis Intl., returning Wed, Sep 3, priced at $206 found 1 day ago
Spirit Airlines
Thu, Jul 10 - Wed, Jul 16
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Jul 10 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Wed, Jul 16, priced at $211 found 1 day ago
Frontier Airlines
Thu, Aug 21 - Sat, Aug 30
SJC
Norman Y. Mineta San Jose Intl.
STL
Lambert-St. Louis Intl.
$230 Roundtrip, found 6 hours ago
$230
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Norman Y. Mineta San Jose Intl. to Lambert-St. Louis Intl., returning Sat, Aug 30, priced at $230 found 6 hours ago
Bargain Flight
Thu, Aug 28 - Thu, Aug 28
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Thu, Aug 28 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $235 found 1 day ago
Frontier Airlines
Thu, Jun 12 - Mon, Jun 16
PDX
Portland Intl.
STL
Lambert-St. Louis Intl.
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jun 12 from Portland Intl. to Lambert-St. Louis Intl., returning Mon, Jun 16, priced at $261 found 1 day ago
Delta
Fri, Jul 4 - Fri, Jul 4
PVD
T.F. Green
STL
Lambert-St. Louis Intl.
$324 Roundtrip, found 1 day ago
$324
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jul 4 from T.F. Green to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $324 found 1 day ago
Delta
Fri, Jun 27 - Tue, Jul 8
OAK
Oakland Intl.
STL
Lambert-St. Louis Intl.
$409 Roundtrip, found 4 days ago
$409
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Jun 27 from Oakland Intl. to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $409 found 4 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 14 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 $116, 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 $116 right now, why wait?

Waterloo Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$116

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! (3,693 reviews)
"I loved the early check-in they gave me."

Reviewed on Jun 6, 2025

Get rates
Hyatt Regency St. Louis at The Arch
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! (2,642 reviews)
"This place was amazing! It was clean and well taken care of. The free breakfast buffet was good with lots of choices. The happy hour was the highlight of our trip. In addition to 3 drinks per night we also enjoyed delicious food. They did not just serve chips and salsa, there were hot items as ..."

Reviewed on Jun 6, 2025

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Drury Plaza Hotel St. Louis at the Arch
River City Casino & Hotel
River City Casino & Hotel
4 out of 5
777 River City Casino Blvd, St. Louis, MO
Stay at this 4-star business-friendly hotel in St. Louis. Enjoy free parking, 5 restaurants, and a casino. Our guests praise the helpful staff and the clean ...
9/10 Wonderful! (1,236 reviews)
"Clean room and casino’s areas."

Reviewed on Jun 4, 2025

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River City Casino & Hotel
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! (1,797 reviews)
"The hotel was clean and quiet. Very close to the Metro for easy access. The staff was excellent. Would stay there again."

Reviewed on Jun 5, 2025

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Casino Queen Hotel
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! (1,006 reviews)
"Beautiful property. They truly love and welcome dogs. Framed pictures of past dog pets and a water bowl at the front desk"

Reviewed on May 24, 2025

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Magnolia Hotel St. Louis, a Tribute Portfolio Hotel
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! (1,422 reviews)
"Standard hotel stay. Feels a little outdated. Loved the free happy hour, snacks, and breakfast."

Reviewed on Jun 4, 2025

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Pear Tree Inn St. Louis Near Union Station
Best Western St. Louis-Kirkwood Route 66
Best Western St. Louis-Kirkwood Route 66
2.5 out of 5
1200 S Kirkwood Road, Kirkwood, MO
Book a stay at this business-friendly hotel in Kirkwood. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.6/10 Excellent! (1,168 reviews)
"Stay was nice. Clean room. Comfortable bed. Would recommend and stay again if needed."

Reviewed on May 31, 2025

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Best Western St. Louis-Kirkwood Route 66
Marriott St. Louis Grand
Marriott St. Louis Grand
4 out of 5
800 Washington Ave, St. Louis, MO
Stay at this 4-star business-friendly hotel in St. Louis. Enjoy breakfast (surcharge), 24-hour room service, and a 24-hour fitness center. Our guests praise ...
8/10 Very Good! (1,003 reviews)
Will book again when we visit STL
"The hotel was great! Customer service was excellent!!"

Reviewed on Jun 5, 2025

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Marriott St. Louis Grand
See all 1,100 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.