Search Cheap Flights to
Waterloo

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Waterloo Flights as Low as $60

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

Spirit Airlines
Sun, Aug 17 - Sun, Aug 17
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$60 Roundtrip, found 9 hours ago
$60
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Sun, Aug 17 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Sun, Aug 17, priced at $60 found 9 hours ago
Frontier Airlines
Sat, Aug 9 - Sat, Aug 16
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$78 Roundtrip, found 15 hours ago
$78
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sat, Aug 9 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 16, priced at $78 found 15 hours ago
Frontier Airlines
Sat, Oct 4 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$115 Roundtrip, just found
$115
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 4 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $115 just found
Frontier Airlines
Thu, Aug 21 - Thu, Aug 28
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 9 hours ago
$119
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $119 found 9 hours ago
Delta
Sun, Oct 19 - Mon, Oct 20
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 10 hours ago
$119
Roundtrip
found 10 hours ago
Select Delta flight, departing Sun, Oct 19 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Oct 20, priced at $119 found 10 hours ago
American Airlines
Tue, Aug 26 - Tue, Aug 26
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$134 Roundtrip, found 3 hours ago
$134
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Aug 26 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $134 found 3 hours ago
Spirit Airlines
Mon, Aug 25 - Thu, Sep 4
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$146 Roundtrip, found 14 hours ago
$146
Roundtrip
found 14 hours ago
Select Spirit Airlines flight, departing Mon, Aug 25 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $146 found 14 hours ago
Spirit Airlines
Thu, Aug 14 - Fri, Aug 15
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$156 Roundtrip, found 10 hours ago
$156
Roundtrip
found 10 hours ago
Select Spirit Airlines flight, departing Thu, Aug 14 from Logan Intl. to Lambert-St. Louis Intl., returning Fri, Aug 15, priced at $156 found 10 hours ago
United
Sat, Oct 4 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Sat, Oct 4 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $157 just found
United
Wed, Aug 27 - Thu, Sep 4
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$175 Roundtrip, found 19 hours ago
$175
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Aug 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $175 found 19 hours ago
Delta
Tue, Aug 26 - Tue, Aug 26
DAL
Love Field
STL
Lambert-St. Louis Intl.
$192 Roundtrip, found 3 hours ago
$192
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Aug 26 from Love Field to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $192 found 3 hours ago
Delta
Wed, Sep 3 - Thu, Sep 4
MSY
Louis Armstrong New Orleans Intl.
STL
Lambert-St. Louis Intl.
$204 Roundtrip, found 9 hours ago
$204
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Sep 3 from Louis Armstrong New Orleans Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $204 found 9 hours ago
Bargain Flight
Tue, Nov 18 - Wed, Nov 19
SAT
San Antonio Intl.
STL
Lambert-St. Louis Intl.
$215 Roundtrip, found 1 hour ago
$215
Roundtrip
found 1 hour ago
Select Bargain Flight flight, departing Tue, Nov 18 from San Antonio Intl. to Lambert-St. Louis Intl., returning Wed, Nov 19, priced at $215 found 1 hour ago
Alaska Airlines
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$219 Roundtrip, found 11 hours ago
$219
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sat, Sep 6, priced at $219 found 11 hours ago
Hawaiian Airlines
Mon, Aug 25 - Sat, Sep 6
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$257 Roundtrip, found 4 days ago
$257
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Mon, Aug 25 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sat, Sep 6, priced at $257 found 4 days ago
Bargain Flight
Sun, Aug 31 - Sat, Sep 6
PAE
Seattle Paine Field Intl. Airport
STL
Lambert-St. Louis Intl.
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Sun, Aug 31 from Seattle Paine Field Intl. Airport to Lambert-St. Louis Intl., returning Sat, Sep 6, priced at $464 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 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 $60, 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 $60 right now, why wait?

Waterloo Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$60

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! (3,831 reviews)
"Very good"

Reviewed on Jul 17, 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! (2,857 reviews)
"Clean, great staff, walkable"

Reviewed on Jul 18, 2025

Get rates
Drury Plaza Hotel 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 ...
6.8/10 (1,016 reviews)
"A"

Reviewed on Jul 18, 2025

Get rates
The Arch Convention 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! (1,503 reviews)
A great stay, better hotel than most.
"Front desk was friendly and professional without being stuffy. Even as we walked to our room, staff took the time to greet us. The pool was a nice, refreshing time for the kids. I LOVED the free snack and drink offered at 5:30. All three kids had a plate of nachos and decided it was enough for their ..."

Reviewed on Jul 19, 2025

Get rates
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! (1,004 reviews)
"All good!!"

Reviewed on Jul 18, 2025

Get rates
Magnolia Hotel St. Louis, a Tribute Portfolio Hotel
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! (1,257 reviews)
"This hotel was absolutely beautiful and so unique. The staff was so amazing and friendly, and the rooms were beautiful. We will definitely be repeat guests."

Reviewed on Jul 18, 2025

Get rates
21C Museum Hotel St Louis
Best Western St. Louis-Kirkwood Route 66

Best Western St. Louis-Kirkwood Route 66

3.5 out of 5
1200 S Kirkwood Road, Kirkwood, MO
Stay at this 3.5-star business-friendly hotel in Kirkwood. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8.4/10 Very Good! (1,204 reviews)
I will go back
"The experience of staying here was great, from the check in experience and all throughout. Staff always accommodating and very pleasant."

Reviewed on Jul 18, 2025

Get rates
Best Western St. Louis-Kirkwood Route 66
St. Louis Union Station Hotel, Curio Collection by Hilton

St. Louis Union Station Hotel, Curio Collection by Hilton

4 out of 5
1820 Market Street, St. Louis, MO
Book a stay at this historic hotel in St. Louis. Enjoy free WiFi, an outdoor pool, and 7 restaurants. Our guests praise the helpful staff and the clean rooms ...
8.2/10 Very Good! (1,020 reviews)
"I loved the atmosphere, Its stunning inside and out. The front desk people were great!"

Reviewed on Jul 14, 2025

Get rates
St. Louis Union Station Hotel, Curio Collection by Hilton
See all 1,116 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.