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Waterloo

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Waterloo Flights as Low as $63

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

Spirit Airlines
Fri, Jul 4 - Fri, Jul 4
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$63 Roundtrip, found 17 hours ago
$63
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Fri, Jul 4 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $63 found 17 hours ago
Spirit Airlines
Fri, Jul 11 - Sun, Jul 13
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$70 Roundtrip, found 2 days ago
$70
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Fri, Jul 11 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Sun, Jul 13, priced at $70 found 2 days ago
Spirit Airlines
Sat, Jul 12 - Wed, Jul 16
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$110 Roundtrip, found 3 days ago
$110
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Sat, Jul 12 from Orlando Intl. to Lambert-St. Louis Intl., returning Wed, Jul 16, priced at $110 found 3 days ago
American Airlines
Tue, Aug 26 - Tue, Aug 26
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$134 Roundtrip, found 17 hours ago
$134
Roundtrip
found 17 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 17 hours ago
Frontier Airlines
Mon, Oct 6 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$149 Roundtrip, found 10 hours ago
$149
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Mon, Oct 6 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $149 found 10 hours ago
United
Mon, Oct 6 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$157 Roundtrip, found 10 hours ago
$157
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Oct 6 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $157 found 10 hours ago
Delta
Fri, Jul 4 - Fri, Jul 4
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$179 Roundtrip, found 17 hours ago
$179
Roundtrip
found 17 hours ago
Select Delta flight, departing Fri, Jul 4 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $179 found 17 hours ago
United
Wed, Aug 27 - Thu, Sep 4
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$180 Roundtrip, found 2 days ago
$180
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $180 found 2 days ago
Spirit Airlines
Fri, Jul 25 - Sun, Aug 3
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$189 Roundtrip, found 17 hours ago
$189
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Fri, Jul 25 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $189 found 17 hours ago
Delta
Tue, Aug 26 - Tue, Aug 26
DAL
Love Field
STL
Lambert-St. Louis Intl.
$191 Roundtrip, found 17 hours ago
$191
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Aug 26 from Love Field to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $191 found 17 hours ago
Frontier Airlines
Thu, Jun 26 - Sat, Jun 28
CLE
Hopkins Intl.
STL
Lambert-St. Louis Intl.
$194 Roundtrip, found 10 hours ago
$194
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Jun 26 from Hopkins Intl. to Lambert-St. Louis Intl., returning Sat, Jun 28, priced at $194 found 10 hours ago
Spirit Airlines
Fri, Jul 11 - Wed, Jul 16
MSY
Louis Armstrong New Orleans Intl.
STL
Lambert-St. Louis Intl.
$203 Roundtrip, found 3 days ago
$203
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri, Jul 11 from Louis Armstrong New Orleans Intl. to Lambert-St. Louis Intl., returning Wed, Jul 16, priced at $203 found 3 days ago
Alaska Airlines
Wed, Aug 27 - Thu, Sep 4
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Aug 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $249 found 2 days ago
Hawaiian Airlines
Wed, Jul 23 - Mon, Jul 28
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$254 Roundtrip, found 5 hours ago
$254
Roundtrip
found 5 hours ago
Select Hawaiian Airlines flight, departing Wed, Jul 23 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Mon, Jul 28, priced at $254 found 5 hours ago
American Airlines
Wed, Jul 16 - Wed, Jul 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jul 16 from Logan Intl. to Lambert-St. Louis Intl., returning Wed, Jul 23, priced at $274 found 1 day ago
Frontier Airlines
Fri, Oct 24 - Fri, Oct 24
TTN
Mercer
STL
Lambert-St. Louis Intl.
$624 Roundtrip, found 2 days ago
$624
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Mercer to Lambert-St. Louis Intl., returning Fri, Oct 24, priced at $624 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 16 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 $63, 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 $63 right now, why wait?

Waterloo Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$63

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! (3,714 reviews)
"Great hotel with amazing views!"

Reviewed on Jun 12, 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! (2,682 reviews)
"Best Drury we’ve ever stayed at!"

Reviewed on Jun 12, 2025

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Drury Plaza Hotel St. Louis at the Arch
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 ...
7.8/10 Good! (1,804 reviews)
"Our trip for a couple of St. Louis Cardinal games which we stayed at Casino Queen. Staff very friendly and helpful. rooms nice, place clean and very easy to get to Cardinal games from the Queen."

Reviewed on Jun 12, 2025

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Casino Queen Hotel
Drury Inn & Suites St. Louis Union Station
Drury Inn & Suites St. Louis Union Station
3 out of 5
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 ...
9.4/10 Exceptional! (1,138 reviews)
"Well kept historic gem."

Reviewed on Jun 14, 2025

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Drury Inn & Suites St. Louis Union Station
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! (1,003 reviews)
"Pool area is outdated. Everything else was wonderful!"

Reviewed on Jun 10, 2025

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Hilton St. Louis at the Ballpark
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! (1,177 reviews)
"Incredibly helpful staff at both check-in and check out. Made me feel welcome and appreciated."

Reviewed on Jun 11, 2025

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Best Western St. Louis-Kirkwood Route 66
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! (1,001 reviews)
"Hotel was very clean. The person who checked us in was awesome and got us our room early. If you want the evening cookies go early because once they’re gone we were told there are no more."

Reviewed on Jun 13, 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! (1,428 reviews)
"Great location and good service."

Reviewed on Jun 12, 2025

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Pear Tree Inn St. Louis Near Union Station
See all 1,089 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.