Search Cheap Flights to
Lake St Louis

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Lake St Louis Flights as Low as $56

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

Frontier Airlines
Sat, Feb 28 - Sat, Feb 28
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 4 hours ago
$56
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Feb 28 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $56 found 4 hours ago
Frontier Airlines
Wed, Apr 1 - Sat, Apr 4
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$77 Roundtrip, found 21 hours ago
$77
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Wed, Apr 1 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Apr 4, priced at $77 found 21 hours ago
Frontier Airlines
Wed, Mar 18 - Tue, Mar 24
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$78 Roundtrip, found 1 day ago
$78
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Mar 18 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Mar 24, priced at $78 found 1 day ago
Frontier Airlines
Fri, Mar 13 - Mon, Mar 23
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$88 Roundtrip, found 2 days ago
$88
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Mar 13 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Mar 23, priced at $88 found 2 days ago
Frontier Airlines
Wed, Apr 15 - Mon, Apr 20
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Orlando Intl. to Lambert-St. Louis Intl., returning Mon, Apr 20, priced at $118 found 1 day ago
Frontier Airlines
Wed, Mar 25 - Mon, Mar 30
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$141 Roundtrip, found 1 day ago
$141
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Mar 25 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Mon, Mar 30, priced at $141 found 1 day ago
Frontier Airlines
Fri, Mar 13 - Sun, Mar 22
TPA
Tampa Intl.
STL
Lambert-St. Louis Intl.
$158 Roundtrip, found 21 hours ago
$158
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Fri, Mar 13 from Tampa Intl. to Lambert-St. Louis Intl., returning Sun, Mar 22, priced at $158 found 21 hours ago
Frontier Airlines
Mon, Mar 2 - Wed, Mar 18
MDT
Harrisburg Intl.
STL
Lambert-St. Louis Intl.
$191 Roundtrip, found 14 hours ago
$191
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Mon, Mar 2 from Harrisburg Intl. to Lambert-St. Louis Intl., returning Wed, Mar 18, priced at $191 found 14 hours ago
United
Sat, Feb 28 - Sat, Mar 7
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$193 Roundtrip, found 1 day ago
$193
Roundtrip
found 1 day ago
Select United flight, departing Sat, Feb 28 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Mar 7, priced at $193 found 1 day ago
Frontier Airlines
Tue, Mar 24 - Tue, Mar 31
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 18 hours ago
$197
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Tue, Mar 24 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Tue, Mar 31, priced at $197 found 18 hours ago
Delta
Mon, Mar 2 - Wed, Mar 4
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$213 Roundtrip, found 5 days ago
$213
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Mar 2 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $213 found 5 days ago
American Airlines
Mon, Mar 2 - Wed, Mar 4
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$213 Roundtrip, found 5 days ago
$213
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Mar 2 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Mar 4, priced at $213 found 5 days ago
Frontier Airlines
Mon, Feb 16 - Tue, Feb 24
GRR
Gerald R. Ford Intl.
STL
Lambert-St. Louis Intl.
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Feb 16 from Gerald R. Ford Intl. to Lambert-St. Louis Intl., returning Tue, Feb 24, priced at $276 found 1 day ago
Bargain Flight
Tue, Apr 14 - Tue, Apr 28
SJC
Norman Y. Mineta San Jose Intl.
STL
Lambert-St. Louis Intl.
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Tue, Apr 14 from Norman Y. Mineta San Jose Intl. to Lambert-St. Louis Intl., returning Tue, Apr 28, priced at $278 found 1 day ago
Alaska Airlines
Tue, Apr 14 - Tue, Apr 28
SJC
Norman Y. Mineta San Jose Intl.
STL
Lambert-St. Louis Intl.
$326 Roundtrip, found 1 day ago
$326
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Apr 14 from Norman Y. Mineta San Jose Intl. to Lambert-St. Louis Intl., returning Tue, Apr 28, priced at $326 found 1 day ago
Bargain Flight
Thu, Feb 19 - Mon, Feb 23
HNL
Daniel K. Inouye Intl.
STL
Lambert-St. Louis Intl.
$522 Roundtrip, found 1 day ago
$522
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Thu, Feb 19 from Daniel K. Inouye Intl. to Lambert-St. Louis Intl., returning Mon, Feb 23, priced at $522 found 1 day ago

Cheap Flights to Lake St Louis

Fall in love at first flight with your vacation to Lake St Louis 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 Lake St Louis on Hotwire, and you’ll be up, up, and on a getaway in no time.

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

Frequently Asked Questions About flights to Lake St Louis

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Lake St Louis 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 Lake St Louis?

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 Lake St Louis are in February, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Lake St Louis?

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 Lake St Louis.

What airport is best to fly into Lake St Louis?

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

How much are flights to Lake St Louis?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Lake St Louis on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $56, 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 Lake St Louis?

The trick to saving a stack of cash on your flight to Lake St Louis? 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 $56 right now, why wait?

Lake St Louis Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$56

Last Minute Hotel Deals in Lake St Louis

The Wildwood Hotel

The Wildwood Hotel

3.5 out of 5
2801 Fountain Pl Wildwood MO
Book a stay at this business-friendly hotel in Wildwood. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the convenient ...
9.2/10 Wonderful! (1,628 reviews)
Excellent stay at Wildwood Hotel

Reviewed on Feb 13, 2026

Get rates
The Wildwood Hotel
Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa

4.5 out of 5
1 Ameristar Blvd St. Charles MO
Book a stay at this luxury hotel in St. Charles. Enjoy an outdoor pool, a full-service spa, and 6 restaurants. Our guests praise the clean rooms in our reviews. ...
8.4/10 Very Good! (1,001 reviews)
Room was clean, plenty of space

Reviewed on Feb 11, 2026

Get rates
Ameristar Casino Resort and Spa
Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free parking, 7 restaurants, and a casino. Our guests praise the helpful staff and the ...
8.4/10 Very Good! (2,224 reviews)
Everything was very, very nice. The casino smoke was unfortunate, but was not noticable in the room, of course.

Reviewed on Feb 7, 2026

Get rates
Hollywood Casino & Hotel St. Louis
Best Western Plus The Charles Hotel

Best Western Plus The Charles Hotel

3 out of 5
1425 South 5th Street St. Charles MO
Book a stay at this business-friendly hotel in St. Charles. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8/10 Very Good! (1,004 reviews)
Clean, nice room!

Reviewed on Feb 10, 2026

Get rates
Best Western Plus The Charles Hotel
Courtyard by Marriott St Louis Creve Coeur

Courtyard by Marriott St Louis Creve Coeur

3 out of 5
828 N New Ballas Rd St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff in our ...
8.6/10 Excellent! (999 reviews)
Yes everyone was great

Reviewed on Feb 8, 2026

Get rates
Courtyard by Marriott St Louis Creve Coeur
Larkspur Landing Extended Stay Suites St. Louis Riverport - Airport West

Larkspur Landing Extended Stay Suites St. Louis Riverport - Airport West

3 out of 5
13639 Riverport Dr Maryland Heights MO
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the ...
7.4/10 Good! (1,002 reviews)
Comfortable room

Reviewed on Feb 7, 2026

Get rates
Larkspur Landing Extended Stay Suites St. Louis Riverport - Airport West
Country Inn & Suites by Radisson, St. Charles Historic District

Country Inn & Suites by Radisson, St. Charles Historic District

2.5 out of 5
1190 S Main St St. Charles MO
Book a stay at this business-friendly hotel in St. Charles. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.4/10 Exceptional! (1,002 reviews)
The hotel had a very homey atmosphere. They had free cookies and hot chocolate and coffee ready in the lobby when we walked in. Kay, at the front desk, was super sweet. She made great suggestions for things we could do in town with the kids. We will definitely stay here again.

Reviewed on Feb 14, 2026

Get rates
Country Inn & Suites by Radisson, St. Charles Historic District
Drury Plaza Hotel St. Louis St. Charles

Drury Plaza Hotel St. Louis St. Charles

3 out of 5
380 Mulholland Drive St. Charles MO
Book a stay at this business-friendly hotel in St. Charles. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9.6/10 Exceptional! (1,001 reviews)
Clean room, location great

Reviewed on Feb 13, 2026

Get rates
Drury Plaza Hotel St. Louis St. Charles
See all 776 properties in Lake St Louis
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.