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Frontenac

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Frontenac 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 16 hours ago
$38
Roundtrip
found 16 hours 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 16 hours ago
Frontier Airlines
Wed, Oct 28 - Mon, Nov 2
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$43 Roundtrip, found 9 hours ago
$43
Roundtrip
found 9 hours 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 9 hours ago
Frontier Airlines
Wed, Dec 2 - Fri, Dec 4
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$48 Roundtrip, found 17 hours ago
$48
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Wed, Dec 2 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Fri, Dec 4, priced at $48 found 17 hours ago
Delta
Tue, Jan 5 - Tue, Jan 5
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$112 Roundtrip, found 13 hours ago
$112
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, Jan 5 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jan 5, priced at $112 found 13 hours ago
American Airlines
Wed, Oct 21 - Thu, Oct 29
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 3 hours ago
$117
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Oct 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Oct 29, priced at $117 found 3 hours ago
Southwest Airlines
Sat, Dec 5 - Sat, Dec 5
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 2 days ago
$117
Roundtrip
found 2 days 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 2 days ago
United
Wed, Oct 21 - Thu, Oct 29
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 3 hours ago
$117
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 21 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Oct 29, priced at $117 found 3 hours ago
Frontier Airlines
Wed, Oct 28 - Sat, Nov 14
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$168 Roundtrip, found 2 hours ago
$168
Roundtrip
found 2 hours 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 2 hours ago
Frontier Airlines
Fri, Nov 27 - Mon, Dec 7
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$173 Roundtrip, found 5 days ago
$173
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Nov 27 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Mon, Dec 7, priced at $173 found 5 days ago
Frontier Airlines
Sat, Nov 14 - Wed, Nov 18
ONT
Ontario Intl. Airport
STL
Lambert-St. Louis Intl.
$184 Roundtrip, found 2 days ago
$184
Roundtrip
found 2 days 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 2 days ago
Frontier Airlines
Thu, Nov 12 - Mon, Nov 16
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Nov 12 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $198 found 1 day ago
Bargain Flight
Sat, Jan 16 - Tue, Jan 19
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Sat, Jan 16 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Tue, Jan 19, priced at $207 found 2 days ago
Frontier Airlines
Wed, Oct 28 - Sat, Nov 14
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 15 hours ago
$210
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Wed, Oct 28 from LaGuardia to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $210 found 15 hours ago
Frontier Airlines
Wed, Oct 21 - Sat, Oct 24
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 21 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Sat, Oct 24, priced at $232 found 1 day ago
Southwest Airlines
Fri, Oct 30 - Mon, Nov 16
DAL
Love Field
STL
Lambert-St. Louis Intl.
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days 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 3 days ago
Alaska Airlines
Sat, Oct 31 - Sat, Nov 14
ONT
Ontario Intl. Airport
STL
Lambert-St. Louis Intl.
$417 Roundtrip, found 4 days ago
$417
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Oct 31 from Ontario Intl. Airport to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $417 found 4 days ago

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 October, 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 15 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 $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 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 $38 right now, why wait?

Frontenac Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$38

Last Minute Hotel Deals in Frontenac

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! (3,441 reviews)
"Aron at guest services was very nice but hotel was dirtier then used to be about a year ago. Found a roach in bathroom in my room. Garbage and towels outside one of the rooms was there for two days. Parking lot area entrance dirty ."

Reviewed on Sep 27, 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 ...
8.6/10 Excellent! (4,316 reviews)
"Great location, but unfortunately lacked in everything else for the price."

Reviewed on Sep 27, 2026

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Hyatt Regency St. Louis at The Arch
Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
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Pear Tree Inn St. Louis Airport
Renaissance St. Louis Airport Hotel

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy an outdoor pool, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.4/10 Very Good! (1,188 reviews)
"Staff was great! Would come back to stay."

Reviewed on Sep 27, 2026

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Renaissance St. Louis Airport Hotel
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

4 out of 5
3550 Samuel Sheppard Drive St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Our guests praise the helpful staff ...
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Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
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! (3,778 reviews)
"Well located near the Arch National Park; was able to leave our car at the hotel garage and walk to the Arch. Make sure you check-in before 5:00 or so, so that you can take advantage of their happy hour which features THREE FREE DRINKS and pretty good appetizers. Monday was pulled pork sliders and ..."

Reviewed on Sep 27, 2026

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Drury Plaza Hotel St. Louis at the Arch
Drury Plaza Hotel St. Louis Union Station

Drury Plaza Hotel St. Louis Union Station

3 out of 5
201 S 20th St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...
9.4/10 Exceptional! (1,551 reviews)
"I loved that hotel is near the stadium, also the Farris Wheel right in front of the hotel, but the most thing I liked which most hotels don’t have is “ the happy hour“. Your offer for the dinner each day is awesome. Your stuff is amazing, friendly and patient and very hard working. I really appreciate ..."

Reviewed on Sep 26, 2026

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Drury Plaza Hotel St. Louis Union Station
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! (2,211 reviews)
"Great Place to Stay, Convenient and close to everything downtown St. Louis"

Reviewed on Sep 27, 2026

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Pear Tree Inn St. Louis Near Union Station
See all 1,961 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. ...
Get rates
Hilton St. Louis Frontenac
See all 1,961 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.