Search Cheap Flights to
St. Charles

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

St. Charles Flights as Low as $76

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

Frontier Airlines
Tue, Jul 28 - Sat, Aug 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$76 Roundtrip, found 12 hours ago
$76
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Tue, Jul 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 8, priced at $76 found 12 hours ago
Frontier Airlines
Wed, Jul 29 - Sat, Aug 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$78 Roundtrip, found 18 hours ago
$78
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Wed, Jul 29 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 15, priced at $78 found 18 hours ago
Frontier Airlines
Thu, Aug 6 - Fri, Aug 7
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$86 Roundtrip, found 16 hours ago
$86
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Thu, Aug 6 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Fri, Aug 7, priced at $86 found 16 hours ago
Delta
Tue, Aug 4 - Tue, Aug 4
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$114 Roundtrip, found 16 hours ago
$114
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Aug 4 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $114 found 16 hours ago
Frontier Airlines
Sat, Jul 18 - Tue, Jul 21
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 3 days ago
$120
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jul 18 from Orlando Intl. to Lambert-St. Louis Intl., returning Tue, Jul 21, priced at $120 found 3 days ago
Frontier Airlines
Sat, Aug 8 - Tue, Aug 25
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 10 hours ago
$121
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Sat, Aug 8 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $121 found 10 hours ago
United
Tue, Jul 28 - Sat, Aug 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 12 hours ago
$197
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Jul 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 8, priced at $197 found 12 hours ago
American Airlines
Tue, Jul 28 - Sat, Aug 8
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 12 hours ago
$197
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Jul 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 8, priced at $197 found 12 hours ago
American Airlines
Wed, Sep 9 - Tue, Sep 15
AUS
Austin-Bergstrom Intl.
STL
Lambert-St. Louis Intl.
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 9 from Austin-Bergstrom Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $209 found 1 day ago
Frontier Airlines
Tue, Sep 1 - Tue, Sep 15
TPA
Tampa Intl.
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 21 hours ago
$210
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Tue, Sep 1 from Tampa Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $210 found 21 hours ago
Frontier Airlines
Tue, Aug 11 - Tue, Aug 25
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$222 Roundtrip, found 22 hours ago
$222
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Tue, Aug 11 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $222 found 22 hours ago
Delta
Tue, Aug 4 - Wed, Aug 19
DAL
Love Field
STL
Lambert-St. Louis Intl.
$222 Roundtrip, found 10 hours ago
$222
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Aug 4 from Love Field to Lambert-St. Louis Intl., returning Wed, Aug 19, priced at $222 found 10 hours ago
Delta
Wed, Jul 22 - Sat, Jul 25
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$257 Roundtrip, found 14 hours ago
$257
Roundtrip
found 14 hours ago
Select Delta flight, departing Wed, Jul 22 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Sat, Jul 25, priced at $257 found 14 hours ago
Delta
Sat, Aug 29 - Tue, Sep 15
SYR
Hancock Intl.
STL
Lambert-St. Louis Intl.
$291 Roundtrip, found 19 hours ago
$291
Roundtrip
found 19 hours ago
Select Delta flight, departing Sat, Aug 29 from Hancock Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $291 found 19 hours ago
Frontier Airlines
Thu, Jul 9 - Sun, Jul 12
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$364 Roundtrip, found 1 day ago
$364
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jul 9 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sun, Jul 12, priced at $364 found 1 day ago
Alaska Airlines
Thu, Jul 9 - Sun, Jul 12
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$557 Roundtrip, found 1 day ago
$557
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Jul 9 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sun, Jul 12, priced at $557 found 1 day ago

Cheap Flights to St. Charles

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

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

Frequently Asked Questions About flights to St. Charles

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

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 St. Charles are in July, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to St. Charles?

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 St. Charles.

What airport is best to fly into St. Charles?

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

How much are flights to St. Charles?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to St. Charles on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $76, 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 St. Charles?

The trick to saving a stack of cash on your flight to St. Charles? 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 $76 right now, why wait?

St. Charles Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$76

Last Minute Hotel Deals in St. Charles

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 a full-service spa, 6 restaurants, and a casino. Our guests praise the clean rooms in our reviews. Popular ...
8.6/10 Excellent! (1,008 reviews)
"This is a tough one for me to rate because I liked lots about the property and disliked a lot. The good: * huge, comfortable rooms * great location * free parking * friendly staff The bad: * the housekeeping is slow, non-responsive (example: they didn't take out our garbage for days, even when requested) ..."

Reviewed on Jun 30, 2026

Get rates
Ameristar Casino Resort and Spa
Hampton Inn St. Charles St. Peters

Hampton Inn St. Charles St. Peters

2.5 out of 5
3720 W Clay St St. Charles MO
Book a stay at this golf hotel in St. Charles. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our ...
Get rates
Hampton Inn St. Charles St. Peters
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! (1,007 reviews)
"Everything was perfect"

Reviewed on Jun 29, 2026

Get rates
Drury Plaza Hotel St. Louis St. Charles
Embassy Suites by Hilton St. Louis St. Charles

Embassy Suites by Hilton St. Louis St. Charles

3.5 out of 5
2 Convention Center Plz St. Charles MO
Book a stay at this business-friendly hotel in St. Charles. Enjoy free breakfast, free parking, and room service. Our guests praise the breakfast and the helpful ...
8.8/10 Excellent! (1,003 reviews)
"Beautiful hotel. Well maintained. Breakfast could be better. Housekeeping did not come to room everyday and we needed fresh towels. One night, there was a big group in the center lobby and the noise was so loud till 2:00am or later. Was difficult for my kids to sleep and hotel staff didn't ask them ..."

Reviewed on Jun 21, 2026

Get rates
Embassy Suites by Hilton St. Louis St. Charles
Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.6/10 Excellent! (4,179 reviews)
"The property was in an excellent location to see many tourists areas. From the valet staff to the bell staff to the check in staff everyone was extremely courteous, helpful and went out of their way to do everything for you. The entire property was well maintained and clean. Our room was clean, well ..."

Reviewed on Jun 30, 2026

Get rates
Hyatt Regency St. Louis at The Arch
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and ...
8.8/10 Excellent! (3,274 reviews)
"My husband and I love this hotel, the breakfast is excellent."

Reviewed on Jun 29, 2026

Get rates
Clayton Plaza Hotel & Extended Stay
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.2/10 Wonderful! (3,051 reviews)
"It was a great place to stay before a flight. Staff is very nice and helpful."

Reviewed on Jun 29, 2026

Get rates
Pear Tree Inn St. Louis Airport
Forest Park Hotel by MDR

Forest Park Hotel by MDR

3 out of 5
5915 Wilson Ave St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff and the clean ...
7.4/10 Good! (1,629 reviews)
"Room was clean but needs updated, bathroom was in need of several repairs but was clean. Air worked great and we never had issues parking. The smell walking into the facility and in the hall and in the room was not pleasant. Smelled of mildew and marijuana."

Reviewed on Jun 29, 2026

Get rates
Forest Park Hotel by MDR
See all 2,427 properties in St. Charles
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.