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St. Charles

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St. Charles Flights as Low as $63

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

Frontier Airlines
Wed, Jul 8 - Wed, Jul 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$63 Roundtrip, found 1 day ago
$63
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jul 15, priced at $63 found 1 day ago
Frontier Airlines
Wed, Jul 8 - Fri, Jul 17
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$73 Roundtrip, found 1 day ago
$73
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Fri, Jul 17, priced at $73 found 1 day ago
Frontier Airlines
Thu, Aug 13 - Thu, Aug 20
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$76 Roundtrip, found 2 hours ago
$76
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Aug 13 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, Aug 20, priced at $76 found 2 hours ago
Frontier Airlines
Mon, Aug 10 - Thu, Aug 20
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 Mon, Aug 10 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, Aug 20, priced at $78 found 1 day ago
Frontier Airlines
Sat, Jul 11 - Wed, Jul 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$84 Roundtrip, found 1 day ago
$84
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jul 11 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jul 15, priced at $84 found 1 day ago
Delta
Tue, Sep 1 - Tue, Sep 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 8 hours ago
$117
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Sep 1 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $117 found 8 hours ago
Frontier Airlines
Wed, Jul 15 - Sat, Jul 18
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 11 hours ago
$119
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Wed, Jul 15 from Orlando Intl. to Lambert-St. Louis Intl., returning Sat, Jul 18, priced at $119 found 11 hours ago
American Airlines
Wed, Jul 29 - Tue, Aug 4
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 13 hours ago
$120
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Jul 29 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $120 found 13 hours ago
United
Tue, Jul 28 - Wed, Jul 29
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 7 hours ago
$120
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Jul 28 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Jul 29, priced at $120 found 7 hours ago
Bargain Flight
Wed, Sep 9 - Tue, Sep 15
AUS
Austin-Bergstrom Intl.
STL
Lambert-St. Louis Intl.
$216 Roundtrip, found 3 days ago
$216
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Sep 9 from Austin-Bergstrom Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $216 found 3 days ago
Frontier Airlines
Tue, Aug 11 - Tue, Aug 25
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$222 Roundtrip, found 15 hours ago
$222
Roundtrip
found 15 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 15 hours ago
Frontier Airlines
Wed, Aug 5 - Tue, Aug 18
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$226 Roundtrip, found 1 day ago
$226
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 5 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Tue, Aug 18, priced at $226 found 1 day ago
Delta
Wed, Oct 14 - Wed, Oct 14
DAL
Love Field
STL
Lambert-St. Louis Intl.
$257 Roundtrip, found 13 hours ago
$257
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Oct 14 from Love Field to Lambert-St. Louis Intl., returning Wed, Oct 14, priced at $257 found 13 hours ago
Frontier Airlines
Thu, Sep 10 - Mon, Sep 14
RDU
Raleigh - Durham Intl.
STL
Lambert-St. Louis Intl.
$258 Roundtrip, found 1 hour ago
$258
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Sep 10 from Raleigh - Durham Intl. to Lambert-St. Louis Intl., returning Mon, Sep 14, priced at $258 found 1 hour ago
Frontier Airlines
Thu, Aug 13 - Tue, Aug 25
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Aug 13 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $268 found 1 day ago
Delta
Tue, Jul 21 - Wed, Jul 29
JAN
Evers Intl.
STL
Lambert-St. Louis Intl.
$279 Roundtrip, found 12 hours ago
$279
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Jul 21 from Evers Intl. to Lambert-St. Louis Intl., returning Wed, Jul 29, priced at $279 found 12 hours 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 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 $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 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 $63 right now, why wait?

St. Charles Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$62

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! (1,002 reviews)
"Upon arrival, we observed several cleanliness and maintenance issues in the room. The couch had visible spots and hair on it. There appeared to be red stains or residue on the curtains. Additionally, the toilet was not functioning properly. These conditions did not meet our expectations for cleanliness ..."

Reviewed on Jun 24, 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! (1,001 reviews)
"Moisy and doing renovations now."

Reviewed on Jun 23, 2026

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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! (1,004 reviews)
"We loved our stay. The room was clean, the food was delicious, and the staff was friendly and explained everything in detail. We will definitely stay here again."

Reviewed on Jun 27, 2026

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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! (1,000 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

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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! (4,154 reviews)
"Great room!"

Reviewed on Jun 26, 2026

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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! (3,250 reviews)
"Great place. Staff was very nice and helpful. Breakfast was really good . Parking was a bit confusing at first but is great to have parking. Not free on the weekends but still good."

Reviewed on Jun 27, 2026

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Clayton Plaza Hotel & Extended Stay
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 ...
8.6/10 Excellent! (2,193 reviews)
"Everyone there was Great!"

Reviewed on Jun 26, 2026

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Hollywood Casino & Hotel St. Louis
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! (3,039 reviews)
"Staff that I came across were"

Reviewed on Jun 27, 2026

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Pear Tree Inn St. Louis Airport
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.