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Frontenac

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Frontenac Flights as Low as $56

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

Frontier Airlines
Wed, Aug 12 - Tue, Aug 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 3 hours ago
$56
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $56 found 3 hours ago
Frontier Airlines
Thu, Jun 11 - Sat, Jun 13
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jun 11 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jun 13, priced at $58 just found
Frontier Airlines
Wed, Jun 10 - Fri, Jun 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$85 Roundtrip, found 9 hours ago
$85
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Wed, Jun 10 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Fri, Jun 12, priced at $85 found 9 hours ago
Delta
Wed, Aug 12 - Tue, Aug 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$87 Roundtrip, found 3 hours ago
$87
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $87 found 3 hours ago
Delta
Tue, Jun 9 - Tue, Jun 9
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$112 Roundtrip, found 9 hours ago
$112
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Jun 9 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jun 9, priced at $112 found 9 hours ago
United
Tue, Jun 30 - Wed, Jul 15
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$130 Roundtrip, found 11 hours ago
$130
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jun 30 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Jul 15, priced at $130 found 11 hours ago
Frontier Airlines
Tue, Jun 9 - Wed, Jun 10
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$140 Roundtrip, found 7 hours ago
$140
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, Jun 9 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Wed, Jun 10, priced at $140 found 7 hours ago
Frontier Airlines
Tue, Jul 7 - Wed, Jul 15
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$195 Roundtrip, found 4 hours ago
$195
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Tue, Jul 7 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Wed, Jul 15, priced at $195 found 4 hours ago
Frontier Airlines
Mon, Jun 1 - Wed, Jun 3
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$209 Roundtrip, found 3 days ago
$209
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jun 1 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Wed, Jun 3, priced at $209 found 3 days ago
Frontier Airlines
Tue, Jul 28 - Tue, Aug 4
ONT
Ontario Intl. Airport
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 3 days ago
$210
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Jul 28 from Ontario Intl. Airport to Lambert-St. Louis Intl., returning Tue, Aug 4, priced at $210 found 3 days ago
American Airlines
Wed, Aug 12 - Tue, Aug 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$217 Roundtrip, found 3 hours ago
$217
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $217 found 3 hours ago
Frontier Airlines
Tue, Aug 18 - Tue, Aug 25
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$220 Roundtrip, found 14 hours ago
$220
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Aug 18 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $220 found 14 hours ago
Delta
Wed, Jul 8 - Tue, Jul 14
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jul 8 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Tue, Jul 14, priced at $237 found 6 days ago
Frontier Airlines
Tue, Jun 16 - Tue, Jun 30
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Jun 16 from LaGuardia to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $253 found 2 days ago
Delta
Tue, Jun 9 - Wed, Jun 10
DAL
Love Field
STL
Lambert-St. Louis Intl.
$300 Roundtrip, just found
$300
Roundtrip
just found
Select Delta flight, departing Tue, Jun 9 from Love Field to Lambert-St. Louis Intl., returning Wed, Jun 10, priced at $300 just found
Alaska Airlines
Tue, May 26 - Sat, May 30
ONT
Ontario Intl. Airport
STL
Lambert-St. Louis Intl.
$611 Roundtrip, just found
$611
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, May 26 from Ontario Intl. Airport to Lambert-St. Louis Intl., returning Sat, May 30, priced at $611 just found

Cheap Flights to Frontenac

Fall in love at first flight with your vacation to Frontenac 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 Frontenac on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Frontenac, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Frontenac

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Frontenac 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 Frontenac?

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 Frontenac are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Frontenac?

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 Frontenac.

What airport is best to fly into Frontenac?

When you’re planning your trip to Frontenac, convenience is the name of the game. Luckily, Frontenac Lambert-St. Louis Intl. Airport is nearby so you can deplane and get going on checking off everything on your Frontenac must-do list.

How much are flights to Frontenac?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Frontenac on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $56, 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 Frontenac?

The trick to saving a stack of cash on your flight to Frontenac? 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 $56 right now, why wait?

Frontenac Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$56

Last Minute Hotel Deals in Frontenac

Hilton St. Louis Frontenac

Hilton St. Louis Frontenac

4 out of 5
1335 S Lindbergh Blvd Frontenac MO
Book a stay at this business-friendly hotel in Frontenac. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff in our reviews. ...
8.8/10 Excellent! (1,009 reviews)
The rooms smelled terrible. The entire hotel smells like Glaide Plug-ins, almost like they are trying to cover up another smell. It was unpleasant. Then after they clean the rooms they must spray another room freshener. It was too much. The hotel is also just older and dated.

Reviewed on May 5, 2026

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Hilton St. Louis Frontenac
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 ...
8.6/10 Excellent! (4,072 reviews)
The tub was clogged in our first room. The second room we were. Changed too didn’t have hot water

Reviewed on May 11, 2026

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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 ...
8.4/10 Very Good! (2,204 reviews)
Everything great, except check in process. That process was extremely slow. What caused the delay were the folks coming in and trying to reserve rooms that didn't have reservations. That tied up the staff members to a halt. Have one line for reservation check in, ams one for fold that are looking ...

Reviewed on May 7, 2026

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Hollywood Casino & Hotel St. Louis
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

3 out of 5
1088 South Highway Drive Fenton MO
Book a stay at this business-friendly hotel in Fenton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8/10 Very Good! (1,267 reviews)
Bathroom was not clean. The beds were fine but uncomfortable. Air conditioner was not working right. Most likely will not stay there again. In the morning for breakfast there was like no food and it was not the greatest.

Reviewed on May 10, 2026

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Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
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! (3,209 reviews)
The breakfast is outstanding as well as the staff Great price for what you get

Reviewed on May 10, 2026

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Clayton Plaza Hotel & Extended Stay
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 ...
8.8/10 Excellent! (1,969 reviews)
Gail at the front desk was super nice and helpful at check in. They offer 3 free drinks (beer or wine) per person between 5:30-7pm plus snacks (we had nachos, chips and pretzels. There's also a popcorn machine with free popcorn between 4:30-8pm and a free soda fountain. The free parking garage was ...

Reviewed on May 10, 2026

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Pear Tree Inn St. Louis Near Union Station
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
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and 2 hot tubs. Our guests praise the breakfast and the pool in our ...
9.6/10 Exceptional! (3,418 reviews)
K

Reviewed on May 11, 2026

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Drury Plaza Hotel St. Louis at the Arch
21C Museum Hotel St Louis

21C Museum Hotel St Louis

4.5 out of 5
1528 Locust street St. Louis MO
Book a stay at this luxury hotel in St. Louis. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the pool and the restaurant in our ...
9/10 Wonderful! (1,826 reviews)
Loved the look of the building and where it was located but the one thing I didn't like was there was no stairs. Everyone had to use the elevator.

Reviewed on May 9, 2026

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21C Museum Hotel St Louis
See all 1,865 properties in Frontenac
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.

Top Hotels With Free Airport Shuttle

Hilton St. Louis Frontenac

Hilton St. Louis Frontenac

4 out of 5
1335 S Lindbergh Blvd Frontenac MO
Book a stay at this business-friendly hotel in Frontenac. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff in our reviews. ...
8.8/10 Excellent! (1,009 reviews)
The rooms smelled terrible. The entire hotel smells like Glaide Plug-ins, almost like they are trying to cover up another smell. It was unpleasant. Then after they clean the rooms they must spray another room freshener. It was too much. The hotel is also just older and dated.

Reviewed on May 5, 2026

Get rates
Hilton St. Louis Frontenac
See all 1,865 properties in Frontenac
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.