Flights To St. Charles County - Cheap Flights Starting at CA $148

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How Much Does it Cost To Fly To St. Charles County?

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

Wed, Jul 1 - Fri, Jul 3
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
CA $310 Roundtrip, found 1 day ago
CA $310
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jul 1 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Jul 3, priced at CA $310 found 1 day ago
Thu, Aug 20 - Sat, Sep 5
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
CA $341 Roundtrip, found 3 days ago
CA $341
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Aug 20 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Sat, Sep 5, priced at CA $341 found 3 days ago
Wed, Jul 1 - Fri, Jul 3
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
CA $360 Roundtrip, found 1 day ago
CA $360
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jul 1 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Jul 3, priced at CA $360 found 1 day ago
Thu, Aug 20 - Sat, Sep 5
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
CA $390 Roundtrip, found 3 days ago
CA $390
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Aug 20 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Sat, Sep 5, priced at CA $390 found 3 days ago
Wed, Sep 30 - Tue, Oct 6
YVR
Vancouver Intl.
STL
Lambert-St. Louis Intl.
CA $406 Roundtrip, found 3 days ago
CA $406
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep 30 from Vancouver Intl. to Lambert-St. Louis Intl., returning Tue, Oct 6, priced at CA $406 found 3 days ago
Thu, Oct 1 - Mon, Oct 5
YVR
Vancouver Intl.
STL
Lambert-St. Louis Intl.
CA $469 Roundtrip, found 3 days ago
CA $469
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 1 from Vancouver Intl. to Lambert-St. Louis Intl., returning Mon, Oct 5, priced at CA $469 found 3 days ago
Fri, Sep 25 - Mon, Sep 28
YHZ
Stanfield Intl.
STL
Lambert-St. Louis Intl.
CA $482 Roundtrip, found 6 days ago
CA $482
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 25 from Stanfield Intl. to Lambert-St. Louis Intl., returning Mon, Sep 28, priced at CA $482 found 6 days ago
Wed, Sep 9 - Mon, Sep 14
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
CA $487 Roundtrip, found 1 day ago
CA $487
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Sep 9 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Sep 14, priced at CA $487 found 1 day ago
Wed, Sep 9 - Tue, Sep 15
YYC
Calgary Intl.
STL
Lambert-St. Louis Intl.
CA $493 Roundtrip, found 1 day ago
CA $493
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 9 from Calgary Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at CA $493 found 1 day ago
OriginDestinationTravel datesFlights from*
PHLSt. LouisSeptember 24 to September 30CA $451
LAXSt. LouisSeptember 9 to September 14CA $487
DENSt. LouisAugust 19 to August 25CA $509
SEASt. LouisAugust 18 to August 20CA $552
TPASt. LouisJuly 27 to August 1CA $567
DFWSt. LouisAugust 6 to August 10CA $1,138
EWRSt. LouisJuly 7 to July 15CA $1,181
ATLSt. LouisJuly 3 to July 7CA $1,296
*Prices include taxes and fees
OriginDestinationTravel datesFlights from*
LGASt. LouisJune 20 to June 26CA $593
LGASt. LouisJune 20 to June 26CA $593
LAXSt. LouisJune 19 to June 23CA $795
*Prices include taxes and fees
Price found within the past 48 hours. Click for updated prices.
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Aug 24 - Aug 28

4 night stay

Edmonton (YEG) to St. Louis (STL)

Air Canada • Non-stop • Coach

St. Louis (STL) to Edmonton (YEG)

United • Non-stop • Coach
Price was CA $1,428, price is now CA $1,057 per person
CA $1,057
per person
found 5 hours ago
Hermann Grain Bins BNB
2.0-star property

Hermann Grain Bins BNB

Jun 26 - Jun 29

3 night stay

Buffalo (BUF) to St. Louis (STL)

American Airlines • Non-stop roundtrip • Coach
Price was CA $2,111, price is now CA $1,758 per person
CA $1,758
per person
found 1 day ago
Moonrise Hotel
4.0-star property

Moonrise Hotel

Aug 24 - Aug 28

4 night stay

Edmonton (YEG) to St. Louis (STL)

Air Canada • Non-stop • Coach

St. Louis (STL) to Edmonton (YEG)

United • Non-stop • Coach
Price was CA $1,501, price is now CA $1,262 per person
CA $1,262
per person
found 5 hours ago
Don't see what you're looking for?
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Travelers ❤️ These St. Charles County 🏨

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 attractions Ameristar Casino St. Charles and Hollywood Casino Amphitheatre are located nearby.
8.6/10 Excellent! (1,012 reviews)
"Gh"

Reviewed on Jun 11, 2026

Opens in a new windowAmeristar Casino Resort and Spa
WoodSpring Suites St Peters-OFallon

WoodSpring Suites St Peters-OFallon

2.5 out of 5
7850 Veterans Memorial Parkway St. Peters MO
Stay at this hotel in St. Peters. Enjoy free WiFi, free parking, and a 24-hour front desk. Popular attractions Bowlero St. Peters and CarShield Field are located nearby.
8.6/10 Excellent! (153 reviews)
"The location was great"

Reviewed on Jun 10, 2026

Opens in a new windowWoodSpring Suites St Peters-OFallon
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 rooms in our reviews. Popular attractions Gateway Arch and Busch Stadium are located nearby.
8.6/10 Excellent! (4,106 reviews)
"Loved the view and proximity of The Arch directly behind Hotel."

Reviewed on Jun 11, 2026

Opens in a new windowHyatt Regency St. Louis at The Arch
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Pear Tree Inn St. Louis Near Union Station

Pear Tree Inn St. Louis Near Union Station

3 out of 5
2211 Market Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant in our reviews. Popular attractions St. Louis Union Station and Busch Stadium are located nearby.
8.8/10 Excellent! (2,025 reviews)
"Great location and friendly staff!"

Reviewed on Jun 12, 2026

Opens in a new windowPear Tree Inn St. Louis Near Union Station
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.

Frequently asked questions

How much is the cheapest flight to St. Charles County?
The next vacation you take doesn't have to make a huge dent in your budget. Within the last seven days, the cheapest return flight to St. Charles County cost CA $310. Find a cheap fare and spend the dollars you save on exciting experiences. This price was available on Travelocity for flights to St. Charles County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to St. Charles County?
Splurge more money on grand experiences and less on your airfare by going away to St. Charles County in July. This is the cheapest time to jet to this destination based on Travelocity's direct return flight demand from January to December last year. Browse through our selection of flights and enjoy a change of scenery without breaking the bank.
How can I check my flight status to St. Charles County?
Whether you'd like to check the status of your flight to St. Charles County or change your itinerary, you'll find all the necessary details on our handy portal, Trips. Click on "Trips" at the top of the Travelocity homepage, then log in or create a new account. Another handy way to manage all your bookings is with the Travelocity app. Get real-time flight status alerts and easily share details with any friends or family flying with you.
How do I find the best deals on flights to St. Charles County?
Being flexible with your dates is a great way to walk away with an amazing deal. Travelocity makes it a cinch to find your perfect fare through the "Flexible dates" function. First, search for your flight to St. Charles County, then compare the cheapest prices for surrounding days by clicking the Flexible dates box above. Booking ahead of schedule and avoiding vacation periods are other ways to save on fares. In the last seven days, the lowest price for a return flight to St. Charles County was CA $310 on our site. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to St. Charles County with Travelocity?
If you're hunting for cheap flights to St. Charles County, you'll come across some top deals with Travelocity. From cheap family flights with low-cost air carriers to flexible tickets, we've got it all. Experience a hassle-free trip with our round-the-clock customer assistance, Price Match Guarantee and free cancellations with most hotels and activities. Start planning your travel itinerary and get ready to hop on a plane to this vibrant destination.
What are the most popular flight routes to St. Charles County?
To help you find flights to St. Charles County, here's a list of some of the leading routes:

  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 2,049 flights a month.
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1,503 flights a month.
  • Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1,300 flights a month.

How much is a flight to St. Charles County on average?
Airfares for roundtrip flights to St. Charles County were priced between CA $310 and CA $1,296 in the last seven days. As soon as you see an awesome deal, lock it in and get ready to take off on your next fun adventure with Travelocity. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.