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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 2 days ago
$38
Roundtrip
found 2 days 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 2 days ago
Frontier Airlines
Wed, Oct 28 - Mon, Nov 2
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$43 Roundtrip, found 1 day ago
$43
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Nov 2, priced at $43 found 1 day ago
Delta
Sat, Dec 5 - Sat, Dec 5
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$112 Roundtrip, found 21 hours ago
$112
Roundtrip
found 21 hours ago
Select Delta flight, departing Sat, Dec 5 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Dec 5, priced at $112 found 21 hours ago
American Airlines
Wed, Oct 21 - Wed, Oct 28
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 4 hours ago
$117
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Oct 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Oct 28, priced at $117 found 4 hours ago
Southwest Airlines
Mon, Oct 19 - Mon, Nov 2
BNA
Nashville Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 7 hours ago
$117
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Mon, Oct 19 from Nashville Intl. to Lambert-St. Louis Intl., returning Mon, Nov 2, priced at $117 found 7 hours ago
Southwest Airlines
Sat, Dec 5 - Sat, Dec 5
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 21 hours ago
$117
Roundtrip
found 21 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 $117 found 21 hours ago
United
Wed, Oct 21 - Wed, Oct 28
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 4 hours ago
$117
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Oct 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Oct 28, priced at $117 found 4 hours ago
Frontier Airlines
Mon, Nov 2 - Mon, Nov 16
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$156 Roundtrip, found 1 day ago
$156
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Nov 2 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $156 found 1 day ago
Frontier Airlines
Wed, Nov 11 - Wed, Nov 25
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$166 Roundtrip, found 3 days ago
$166
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Nov 11 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Wed, Nov 25, priced at $166 found 3 days ago
Frontier Airlines
Wed, Oct 28 - Sat, Nov 14
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 28 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $168 found 1 day ago
Frontier Airlines
Mon, Nov 16 - Wed, Nov 18
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$171 Roundtrip, found 1 day ago
$171
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Nov 16 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Wed, Nov 18, priced at $171 found 1 day ago
Southern Airways Express
Mon, Oct 19 - Mon, Nov 2
BNA
Nashville Intl.
STL
Lambert-St. Louis Intl.
$172 Roundtrip, found 7 hours ago
$172
Roundtrip
found 7 hours ago
Select Southern Airways Express flight, departing Mon, Oct 19 from Nashville Intl. to Lambert-St. Louis Intl., returning Mon, Nov 2, priced at $172 found 7 hours ago
Frontier Airlines
Sat, Nov 14 - Wed, Nov 18
ONT
Ontario Intl. Airport
STL
Lambert-St. Louis Intl.
$184 Roundtrip, found 11 hours ago
$184
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sat, Nov 14 from Ontario Intl. Airport to Lambert-St. Louis Intl., returning Wed, Nov 18, priced at $184 found 11 hours ago
Frontier Airlines
Sat, Nov 14 - Mon, Nov 23
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Nov 14 from San Francisco Intl. to Lambert-St. Louis Intl., returning Mon, Nov 23, priced at $201 found 1 day ago
Southwest Airlines
Fri, Oct 30 - Mon, Nov 16
DAL
Love Field
STL
Lambert-St. Louis Intl.
$281 Roundtrip, found 1 day ago
$281
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Fri, Oct 30 from Love Field to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $281 found 1 day ago
Alaska Airlines
Wed, Oct 28 - Sat, Nov 14
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $318 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 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 $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 ...
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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! (1,003 reviews)
"The staff was very helpful and caring with some special needs relative to the timing of our stay and check-out. From start to finish, they were genuinely helpful and concerned for our needs. Their genuine concern, caring and flexibility was deeply appreciated and most helpful. Just outstanding in ..."

Reviewed on Sep 25, 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! (1,096 reviews)
"Staff was great! Cookies at check in great, breakfast was plenty, rooms clean and comfy. Great place to stay!!"

Reviewed on Sep 25, 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! (1,001 reviews)
"Staff is always so friendly at this hotel"

Reviewed on Sep 23, 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! (1,006 reviews)
"Overall good experience; excellent breakfast"

Reviewed on Sep 24, 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)
"Very friendly staff"

Reviewed on Sep 22, 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 ...
8.8/10 Excellent! (3,423 reviews)
"The majority of the staff were excellent- 1 0r 2 were a bit curt or impatient at times. The majority VERY fun and helpful. However, I give some slack for the 50,000 in town for a catholic event AND another large convention. City was crazy busy with visitors. Breakfast and staff great. Rooms were ..."

Reviewed on Sep 25, 2026

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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 2,468 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.