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St. Charles

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St. Charles Flights as Low as $116

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

Frontier Airlines
Tue, Oct 7 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$116 Roundtrip, found 5 days ago
$116
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Oct 7 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $116 found 5 days ago
Frontier Airlines
Thu, Sep 18 - Mon, Sep 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 2 days ago
$120
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Sep 22, priced at $120 found 2 days ago
United
Sat, Oct 4 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 4 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $142 found 1 day ago
Frontier Airlines
Sun, Aug 24 - Thu, Aug 28
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$143 Roundtrip, found 4 days ago
$143
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Aug 24 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $143 found 4 days ago
Delta
Thu, Oct 2 - Fri, Oct 10
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$150 Roundtrip, found 10 hours ago
$150
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Oct 2 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Fri, Oct 10, priced at $150 found 10 hours ago
American Airlines
Sat, Oct 4 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$161 Roundtrip, found 1 day ago
$161
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 4 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $161 found 1 day ago
Delta
Sat, Sep 27 - Sat, Sep 27
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$174 Roundtrip, found 12 hours ago
$174
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sat, Sep 27, priced at $174 found 12 hours ago
Delta
Tue, Sep 30 - Sat, Oct 11
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 5 days ago
$176
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep 30 from LaGuardia to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $176 found 5 days ago
Spirit Airlines
Mon, Aug 25 - Sun, Aug 31
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 4 days ago
$176
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Mon, Aug 25 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Aug 31, priced at $176 found 4 days ago
American Airlines
Tue, Oct 21 - Mon, Oct 27
ONT
Los Angeles - Ontario Intl.
STL
Lambert-St. Louis Intl.
$195 Roundtrip, found 5 days ago
$195
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Oct 21 from Los Angeles - Ontario Intl. to Lambert-St. Louis Intl., returning Mon, Oct 27, priced at $195 found 5 days ago
Delta
Tue, Oct 14 - Tue, Oct 21
DAL
Love Field
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 4 days ago
$197
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 14 from Love Field to Lambert-St. Louis Intl., returning Tue, Oct 21, priced at $197 found 4 days ago
Hawaiian Airlines
Thu, Sep 11 - Mon, Sep 22
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$212 Roundtrip, found 6 days ago
$212
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Sep 11 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Sep 22, priced at $212 found 6 days ago
Frontier Airlines
Mon, Aug 25 - Thu, Sep 4
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$222 Roundtrip, found 23 hours ago
$222
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Mon, Aug 25 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $222 found 23 hours ago
United
Tue, Sep 2 - Thu, Sep 4
ABQ
Albuquerque Intl. Sunport
STL
Lambert-St. Louis Intl.
$226 Roundtrip, found 7 hours ago
$226
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Sep 2 from Albuquerque Intl. Sunport to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $226 found 7 hours ago
Alaska Airlines
Sat, Sep 27 - Sat, Sep 27
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 12 hours ago
$249
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sat, Sep 27, priced at $249 found 12 hours ago
Bargain Flight
Sun, Aug 31 - Sat, Sep 6
PAE
Seattle Paine Field Intl. Airport
STL
Lambert-St. Louis Intl.
$676 Roundtrip, found 2 days ago
$676
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Sun, Aug 31 from Seattle Paine Field Intl. Airport to Lambert-St. Louis Intl., returning Sat, Sep 6, priced at $676 found 2 days 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 $116, 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 $116 right now, why wait?

St. Charles Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$116

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)
"The propery was nice!!!!"

Reviewed on Aug 9, 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 ...
6.4/10 (981 reviews)
"Great place for traveling."

Reviewed on Aug 5, 2025

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Relax Inn Saint 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! (1,005 reviews)
"Very nice hotel. Convenient location with shopping and dining only blocks away. Good value."

Reviewed on Aug 10, 2025

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Comfort Suites St Charles - St Louis
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! (3,961 reviews)
"Always love the Hyatt!"

Reviewed on Aug 11, 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! (2,052 reviews)
"It was nice and relaxing"

Reviewed on Aug 10, 2025

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Hollywood Casino & Hotel St. Louis
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! (2,937 reviews)
10+
"Awesome stay! One of my favorite hotels I have ever stayed at. From the comfortable rooms all the way to the free drinks. I couldn't of asked for a better stay! The lady that checked us in was informative and kind. We will definitely choose this hotel again on our next visit to St. Louis."

Reviewed on Aug 12, 2025

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Drury Plaza Hotel 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
Stay at this 3.5-star 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! (2,927 reviews)
One night
"Good overnight experience. Clean and bed was comfortable with cover instead of a sheet like other hotels . Nice breakfast ."

Reviewed on Aug 11, 2025

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Clayton Plaza Hotel & Extended Stay
Moonrise Hotel

Moonrise Hotel

4 out of 5
6177 Delmar Blvd, St. Louis, MO
Stay at this 4-star boutique hotel in St. Louis. Enjoy free WiFi, free parking, and 2 bars/lounges. Our guests praise the restaurant and the bar in our reviews. ...
9/10 Wonderful! (1,842 reviews)
"Love this place. I will stay again. Did not disappoint."

Reviewed on Aug 12, 2025

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Moonrise Hotel
See all 2,227 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.