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St. Charles

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St. Charles Flights as Low as $38

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

Frontier Airlines
Wed, Oct 28 - Wed, Nov 4
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$38 Roundtrip, found 15 hours ago
$38
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Wed, Oct 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Nov 4, priced at $38 found 15 hours ago
Delta
Tue, Nov 10 - Tue, Nov 10
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$113 Roundtrip, found 6 days ago
$113
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 10 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Nov 10, priced at $113 found 6 days ago
Frontier Airlines
Wed, Nov 18 - Wed, Dec 2
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$114 Roundtrip, found 2 hours ago
$114
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Nov 18 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, Dec 2, priced at $114 found 2 hours ago
Frontier Airlines
Wed, Nov 18 - Wed, Dec 2
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$134 Roundtrip, found 19 hours ago
$134
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Wed, Nov 18 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Wed, Dec 2, priced at $134 found 19 hours ago
Southwest Airlines
Sat, Dec 5 - Sat, Dec 5
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$137 Roundtrip, found 15 hours ago
$137
Roundtrip
found 15 hours ago
Select Southwest Airlines flight, departing Sat, Dec 5 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Dec 5, priced at $137 found 15 hours ago
American Airlines
Sat, Dec 5 - Sat, Dec 5
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 15 hours ago
$159
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sat, Dec 5 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Dec 5, priced at $159 found 15 hours ago
Frontier Airlines
Sat, Oct 31 - Sat, Nov 14
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$168 Roundtrip, found 1 hour ago
$168
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Oct 31 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $168 found 1 hour ago
Frontier Airlines
Wed, Nov 25 - Mon, Dec 7
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 20 hours ago
$176
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Wed, Nov 25 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Mon, Dec 7, priced at $176 found 20 hours ago
Frontier Airlines
Thu, Nov 26 - Wed, Dec 16
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$191 Roundtrip, found 19 hours ago
$191
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Nov 26 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Wed, Dec 16, priced at $191 found 19 hours ago
United
Thu, Nov 5 - Mon, Nov 9
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$220 Roundtrip, found 7 hours ago
$220
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Nov 5 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Mon, Nov 9, priced at $220 found 7 hours ago
Frontier Airlines
Thu, Nov 19 - Wed, Dec 2
TTN
Mercer
STL
Lambert-St. Louis Intl.
$238 Roundtrip, found 19 hours ago
$238
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Thu, Nov 19 from Mercer to Lambert-St. Louis Intl., returning Wed, Dec 2, priced at $238 found 19 hours ago
Frontier Airlines
Thu, Nov 19 - Thu, Dec 10
BUF
Buffalo Niagara Intl.
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Nov 19 from Buffalo Niagara Intl. to Lambert-St. Louis Intl., returning Thu, Dec 10, priced at $249 found 1 day ago
Bargain Flight
Thu, Oct 22 - Sat, Oct 24
JAX
Jacksonville Intl.
STL
Lambert-St. Louis Intl.
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select Bargain Flight flight, departing Thu, Oct 22 from Jacksonville Intl. to Lambert-St. Louis Intl., returning Sat, Oct 24, priced at $263 found 5 days ago
Southwest Airlines
Fri, Oct 30 - Mon, Nov 16
DAL
Love Field
STL
Lambert-St. Louis Intl.
$291 Roundtrip, found 1 hour ago
$291
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Fri, Oct 30 from Love Field to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $291 found 1 hour ago
Delta
Mon, Nov 23 - Tue, Dec 1
RSW
Southwest Florida Intl.
STL
Lambert-St. Louis Intl.
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 23 from Southwest Florida Intl. to Lambert-St. Louis Intl., returning Tue, Dec 1, priced at $352 found 1 day ago
Delta
Sun, Nov 22 - Wed, Dec 2
YUL
Pierre Elliott Trudeau Intl.
STL
Lambert-St. Louis Intl.
$539 Roundtrip, found 1 day ago
$539
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 22 from Pierre Elliott Trudeau Intl. to Lambert-St. Louis Intl., returning Wed, Dec 2, priced at $539 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 October, 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 15 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 $38, 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 $38 right now, why wait?

St. Charles Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$38

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! (1,065 reviews)
"Had a wedding here and paid almost $400 for a room after the hotel fees on site just to have a room with no AC we called the front desk around 9:30 and it was after 11 when maintenance finally arrived by then the wife and baby were asleep so I wasn’t going to let him wake them up so we just dealt ..."

Reviewed on Sep 29, 2026

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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 ...
8/10 Very Good! (1,007 reviews)
"Was a bit disappointed in the property for what we paid for it. The room was a bit rough and the bathroom door was a slider and wouldn't stay shut or locked. Several of the plug-ins didn't work in the room."

Reviewed on Sep 28, 2026

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Hampton Inn St. Charles St. Peters
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! (1,098 reviews)
"nice size free parking spots in the garage. Breakfast was slim. one morning just had sausage and eggs and waffles. next morning had biscuits and gravy and waffles. hotel was clean staffing was friendly. location was good. The cookies were delicious."

Reviewed on Sep 29, 2026

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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! (1,002 reviews)
"Everyone was very nice and breakfast was delicious"

Reviewed on Sep 27, 2026

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Drury Plaza Hotel St. Louis St. Charles
Comfort Suites St Charles - St Louis

Comfort Suites St Charles - St Louis

2.5 out of 5
1400 S 5th 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 helpful staff and the clean ...
8.4/10 Very Good! (1,011 reviews)
"Updated, clean and safe hotel. Location is perfect; within walking distance to many activities. Rooms are large and very comfortable. Breakfast is a welcome addition!"

Reviewed on Sep 28, 2026

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Comfort Suites St Charles - St Louis
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! (1,000 reviews)
"Cory greeted me well before our check in time, allowed me to drop bags. I asked for some time to do work and needed WiFi, he said he couldn’t unless I was a Hilton honors member and helped me create. Also gave me a breakfast pass even thought we weren’t officially checked in. Very accommodating to ..."

Reviewed on Sep 28, 2026

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Embassy Suites by Hilton St. Louis St. Charles
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 ...
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Clayton Plaza Hotel & Extended Stay
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 ...
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Hyatt Regency St. Louis at The Arch
See all 2,470 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.