Search Cheap Flights to
St. Charles

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

St. Charles Flights as Low as $58

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

Frontier Airlines
Wed, Feb 12 - Sat, Feb 15
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, found 1 day ago
$58
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Feb 12 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Feb 15, priced at $58 found 1 day ago
Frontier Airlines
Sat, Feb 15 - Sat, Feb 15
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$60 Roundtrip, found 1 day ago
$60
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Feb 15 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Feb 15, priced at $60 found 1 day ago
Frontier Airlines
Tue, Feb 25 - Wed, Feb 26
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Feb 25 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Wed, Feb 26, priced at $118 found 1 day ago
Frontier Airlines
Wed, Feb 26 - Wed, Feb 26
ONT
Los Angeles - Ontario Intl.
STL
Lambert-St. Louis Intl.
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Feb 26 from Los Angeles - Ontario Intl. to Lambert-St. Louis Intl., returning Wed, Feb 26, priced at $118 found 1 day ago
Frontier Airlines
Sat, Jan 18 - Wed, Jan 22
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jan 18 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Wed, Jan 22, priced at $118 found 1 day ago
Frontier Airlines
Mon, Jan 13 - Tue, Jan 14
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jan 13 from LaGuardia to Lambert-St. Louis Intl., returning Tue, Jan 14, priced at $118 found 1 day ago
Frontier Airlines
Sat, Jan 25 - Mon, Jan 27
JFK
John F. Kennedy Intl.
STL
Lambert-St. Louis Intl.
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jan 25 from John F. Kennedy Intl. to Lambert-St. Louis Intl., returning Mon, Jan 27, priced at $118 found 1 day ago
United
Wed, Feb 12 - Mon, Feb 17
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 12 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Feb 17, priced at $187 found 1 day ago
American Airlines
Tue, Feb 11 - Sat, Feb 22
SAN
San Diego Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Feb 11 from San Diego Intl. to Lambert-St. Louis Intl., returning Sat, Feb 22, priced at $197 found 2 days ago
Delta
Sat, Jan 18 - Fri, Jan 24
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jan 18 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Fri, Jan 24, priced at $198 found 1 day ago
American Airlines
Sat, Jan 18 - Tue, Jan 21
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jan 18 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Tue, Jan 21, priced at $198 found 1 day ago
Spirit Airlines
Tue, Jan 14 - Tue, Jan 21
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Tue, Jan 14 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Tue, Jan 21, priced at $213 found 1 day ago
Air Canada
Fri, Jan 31 - Tue, Feb 4
YYC
Calgary Intl.
STL
Lambert-St. Louis Intl.
$288 Roundtrip, just found
$288
Roundtrip
just found
Select Air Canada flight, departing Fri, Jan 31 from Calgary Intl. to Lambert-St. Louis Intl., returning Tue, Feb 4, priced at $288 just found
Delta
Wed, Feb 5 - Tue, Feb 11
GTF
Great Falls Intl.
STL
Lambert-St. Louis Intl.
$296 Roundtrip, found 7 hours ago
$296
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Feb 5 from Great Falls Intl. to Lambert-St. Louis Intl., returning Tue, Feb 11, priced at $296 found 7 hours ago
WestJet
Mon, Feb 3 - Fri, Feb 7
YYC
Calgary Intl.
STL
Lambert-St. Louis Intl.
$366 Roundtrip, just found
$366
Roundtrip
just found
Select WestJet flight, departing Mon, Feb 3 from Calgary Intl. to Lambert-St. Louis Intl., returning Fri, Feb 7, priced at $366 just found
Alaska Airlines
Wed, Mar 12 - Tue, Mar 18
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$369 Roundtrip, found 6 days ago
$369
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Mar 12 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Tue, Mar 18, priced at $369 found 6 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 February, 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 $58, 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 $58 right now, why wait?

St. Charles Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$58

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
The price is $214 per night from Jan 2 to Jan 3
$214
includes taxes & fees
Jan 2 - Jan 3, 2025
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! (1,000 reviews)
"Really enjoyed the stay ALL was great, the slots were tight though.......never won and we definitely tried. Need more $5 minimum tables, rediculous. Use your brains marketing people 😜"

Reviewed on Dec 19, 2024

Ameristar Casino Resort and Spa
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
The price is $142 per night from Jan 5 to Jan 6
$142
includes taxes & fees
Jan 5 - Jan 6, 2025
Stay at this 3.5-star business-friendly hotel in St. Charles. Enjoy free breakfast, free parking, and a free area shuttle. Our guests praise the breakfast and ...
8.8/10 Excellent! (1,153 reviews)
"Great stay!"

Reviewed on Dec 23, 2024

Embassy Suites by Hilton St. Louis St. Charles
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
The price is $116 per night from Jan 12 to Jan 13
$116
includes taxes & fees
Jan 12 - Jan 13, 2025
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! (1,003 reviews)
Swim with Holiday Music
"Fun quick trip to collect reward points. Favorite parts of the stay were the indoor pool (swimming while Christmas music was playing and it was raining outside was quite entertaining) and Udi's bagels in the morning (first time I've seen any hotel with any gluten free bread options). All in all, ..."

Reviewed on Dec 26, 2024

Country Inn & Suites by Radisson, St. Charles Historic District
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
The price is $97 per night from Jan 5 to Jan 6
$97
includes taxes & fees
Jan 5 - Jan 6, 2025
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! (1,001 reviews)
Nice place just off I70
"Great service , beautiful lobby, warm and inviting"

Reviewed on Dec 22, 2024

Country Inn & Suites by Radisson, St. Peters, MO
Hyatt Regency St. Louis at The Arch
Hyatt Regency St. Louis at The Arch
4 out of 5
315 Chestnut St, St. Louis, MO
The price is $117 per night from Dec 29 to Dec 30
$117
includes taxes & fees
Dec 29 - Dec 30
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! (3,538 reviews)
"Easy check in, staff was very friendly at the front desk.."

Reviewed on Dec 26, 2024

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
The price is $140 per night from Jan 5 to Jan 6
$140
includes taxes & fees
Jan 5 - Jan 6, 2025
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! (1,756 reviews)
"Great casino experience"

Reviewed on Dec 28, 2024

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
The price is $147 per night from Jan 1 to Jan 2
$147
includes taxes & fees
Jan 1 - Jan 2, 2025
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! (2,342 reviews)
"Wonderful , Comfortable place to stay for a family on any type of travel Spacious room , Very polite staff and the breakfast option were fantastic Brittini , lovely note left by housekeeping. A for you 😊"

Reviewed on Dec 25, 2024

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
The price is $116 per night from Jan 12 to Jan 13
$116
includes taxes & fees
Jan 12 - Jan 13, 2025
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! (2,924 reviews)
"Excellent!!"

Reviewed on Dec 28, 2024

Clayton Plaza Hotel & Extended Stay
See all 2,385 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.