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St. Charles

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St. Charles Flights as Low as $123

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

Frontier Airlines
Tue, Jun 10 - Tue, Jun 17
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$123 Roundtrip, found 3 days ago
$123
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Jun 10 from Orlando Intl. to Lambert-St. Louis Intl., returning Tue, Jun 17, priced at $123 found 3 days ago
Frontier Airlines
Mon, Jul 21 - Wed, Jul 30
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$136 Roundtrip, found 2 days ago
$136
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $136 found 2 days ago
Spirit Airlines
Thu, Jun 12 - Mon, Jun 16
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$152 Roundtrip, found 3 days ago
$152
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Thu, Jun 12 from Orlando Intl. to Lambert-St. Louis Intl., returning Mon, Jun 16, priced at $152 found 3 days ago
United
Wed, Jul 23 - Wed, Jul 30
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jul 23 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $177 found 1 day ago
Delta
Sat, Jul 12 - Sat, Jul 12
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$194 Roundtrip, found 3 days ago
$194
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jul 12 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Jul 12, priced at $194 found 3 days ago
American Airlines
Tue, Jun 10 - Wed, Jun 11
AUS
Austin-Bergstrom Intl.
STL
Lambert-St. Louis Intl.
$196 Roundtrip, found 1 day ago
$196
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jun 10 from Austin-Bergstrom Intl. to Lambert-St. Louis Intl., returning Wed, Jun 11, priced at $196 found 1 day ago
Frontier Airlines
Tue, May 20 - Thu, May 29
CVG
Cincinnati - Northern Kentucky Intl.
STL
Lambert-St. Louis Intl.
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 20 from Cincinnati - Northern Kentucky Intl. to Lambert-St. Louis Intl., returning Thu, May 29, priced at $214 found 1 day ago
Frontier Airlines
Thu, May 29 - Sat, Jun 7
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, May 29 from San Francisco Intl. to Lambert-St. Louis Intl., returning Sat, Jun 7, priced at $223 found 1 day ago
Bargain Flight
Mon, Jun 2 - Fri, Jun 6
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$227 Roundtrip, found 1 hour ago
$227
Roundtrip
found 1 hour ago
Select Bargain Flight flight, departing Mon, Jun 2 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Fri, Jun 6, priced at $227 found 1 hour ago
Bargain Flight
Sat, May 24 - Sun, May 25
DSM
Des Moines Intl.
STL
Lambert-St. Louis Intl.
$252 Roundtrip, found 1 day ago
$252
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Sat, May 24 from Des Moines Intl. to Lambert-St. Louis Intl., returning Sun, May 25, priced at $252 found 1 day ago
Delta
Wed, Jun 4 - Mon, Jun 9
FCA
Glacier Park Intl.
STL
Lambert-St. Louis Intl.
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jun 4 from Glacier Park Intl. to Lambert-St. Louis Intl., returning Mon, Jun 9, priced at $257 found 1 day ago
American Airlines
Wed, Jul 16 - Wed, Jul 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$257 Roundtrip, found 1 day ago
$257
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 $257 found 1 day ago
Hawaiian Airlines
Fri, May 30 - Tue, Jun 10
FCA
Glacier Park Intl.
STL
Lambert-St. Louis Intl.
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Fri, May 30 from Glacier Park Intl. to Lambert-St. Louis Intl., returning Tue, Jun 10, priced at $291 found 1 day ago
Alaska Airlines
Sat, May 31 - Tue, Jun 10
FCA
Glacier Park Intl.
STL
Lambert-St. Louis Intl.
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, May 31 from Glacier Park Intl. to Lambert-St. Louis Intl., returning Tue, Jun 10, priced at $321 found 1 day ago
Air Canada
Sat, May 31 - Sat, Jun 14
YYZ
Pearson Intl.
STL
Lambert-St. Louis Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, May 31 from Pearson Intl. to Lambert-St. Louis Intl., returning Sat, Jun 14, priced at $323 found 1 day ago
Air Canada
Sat, May 31 - Sat, Jun 14
YYZ
Pearson Intl.
STL
Lambert-St. Louis Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, May 31 from Pearson Intl. to Lambert-St. Louis Intl., returning Sat, Jun 14, priced at $323 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 June, 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 14 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 $123, 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 $123 right now, why wait?

St. Charles Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$123

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
Stay at this 4.5-star luxury hotel in St. Charles. Enjoy an outdoor pool, a full-service spa, and 6 restaurants. Our guests praise the clean rooms and the property ...
8.2/10 Very Good! (1,011 reviews)
Great for a quick stay
"Overnight stay was just right! If it were a longer stay, as I've done before, not a having a microwave readily available is an inconvenience. We stayed in one of the updated rooms and it was exactly as pictured! We received a river view room, love that sunrise! Water pressure in the bathroom does ..."

Reviewed on May 12, 2025

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Ameristar Casino Resort and Spa
Relax Inn Saint Charles
Relax Inn Saint Charles
2 out of 5
3800 Harry S Truman Blvd, St. Charles, MO
Stay at this motel in St. Charles. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the clean rooms in our reviews. Popular attractions ...
6.2/10 (859 reviews)
"Everyone Everything"

Reviewed on May 15, 2025

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Relax Inn Saint Charles
Country Inn & Suites by Radisson, St. Peters, MO
Country Inn & Suites by Radisson, St. Peters, MO
2.5 out of 5
3877 Veterans Memorial Pkwy, 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 ...
8.2/10 Very Good! (1,009 reviews)
Just right
"Perfect stay on our trip. Staff very helpful and friendly. Clean and accommodating"

Reviewed on May 14, 2025

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Country Inn & Suites by Radisson, St. Peters, MO
Best Western Plus The Charles Hotel
Best Western Plus The Charles Hotel
3 out of 5
1425 South 5th Street, St. Charles, MO
Stay at this 3-star 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! (1,010 reviews)
"There was zero water pressure in the shower. Besides that it was clean and convenient."

Reviewed on May 10, 2025

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Best Western Plus The Charles Hotel
Drury Plaza Hotel St. Louis St. Charles
Drury Plaza Hotel St. Louis St. Charles
3 out of 5
380 Mulholland Drive, St. Charles, MO
Stay at this 3-star 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)
"Good family hotel"

Reviewed on May 14, 2025

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Drury Plaza Hotel St. Louis St. Charles
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! (2,561 reviews)
Not Sleeping Well
"Our room was underneath the 8th floor swimming pool which made noise all night. They offered to move us, but we should not have been put there initially. we did not want to move everything for one night. This disturbed our sleep: perhaps we were put there because we are older."

Reviewed on May 16, 2025

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Drury Plaza Hotel St. Louis at the Arch
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! (3,665 reviews)
"Overall great stay!"

Reviewed on May 15, 2025

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Hyatt Regency St. Louis at The Arch
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 ...
8.2/10 Very Good! (1,910 reviews)
It was better than average.
"The room was nice, comfortable and clean. The bed was comfortable. The barn door for the bathroom was a bit odd. Dinner for 4 in their Smokehoue BBQ Restaurant we very mediocre and took far too long to serve. With a bill of over $150 and us all agreeing that the mac and cheese on the side was the ..."

Reviewed on May 14, 2025

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Hollywood Casino & Hotel St. Louis
See all 2,243 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.